eChapters

Indigenous culture

Indigenous means originating where it is found. If knowledge originates from, and is bound to local experiences, taking its local world not perhaps as the only one, but as the most relevant of all they know may be called indigenous. Indigenous knowledge is human lifeexperience in a distinct natural and cultural amalgamation within a unique local and timely setting. It is an authentic appropriation of being, meaning that this very process happens exclusively in a given locality at a given time. In the field of medicine, Chinese culture (indigenous) developed Acupuncture technique. An acupunturist places needles into the skin to balance out the flow of chi which is believed to be the energy that flows through the human body. In theory, Chi runs along 14 pathways called meridains and when a patient is injured, stressed, or ill, their chi is supposedly being blocked. By placing needles in the Meridians the patients chi is thought to be put back into balance. Like Chinese culture, indigenous culture of different places/countries occurs and have their own belief and methods.

Indigenous cultures speak in various ways, for example we could speak from the perspective of our so-called ‘civilizations’ but how do we know that this perception is not contrary to the truth. We could speak on the basis of our traditional religious concepts but again these concepts may in reality be the opposite of what we believe. If we speak about the indigenous from the point of view of an anthropologist we arrive at a cold and empty language, a study that only pays attention to external and superficial matters, in the same way an anatomist analyses our inner organs or our bones but they are still a long way from knowing the reality. We believe that it is better to speak about indigenous cultures on the basis of their own reality, in relation to how they were as much as how they are now because in the course of time from yesterday to today many things have happened that are worth examining.

Introduction

Expert system can be defined as a tool for information generation from knowledge. Information is either found in various forms or generated from data and/or knowledge. Text, images, video, audio are forms of media on which information can be found, and the role of information technology is to invent, and devise tools to store and retrieve this information. Statistical information is a good example of information generated from data while advises generated by an expert system is a good example of information generated from knowledge.

At the beginning, the concentration was mainly on textual information. Information technology used for textual information ranged from paper archiving tool to the sophisticated electronic computer software tools such as data base management systems, and hypertext tools. Images were very difficult to be included in an information system just few years ago till the scanners technology has been advanced together with the invention of the optical storage devises which have the capacity to store hundreds of mega bytes. This technology has enabled the developers to include images in their systems. Input peripherals to capture video and audio information have been also commercialized and are now available in the market. Storage of audio and video would be impossible unless large storage media were invented.

ABSTRACT

Indian farming community is facing a multitude of problems to maximize crop productivity. In spite of successful research on new agricultural practices concerning crop cultivation, the majority of farmers is not getting upper-bound yield due to several reasons. One of the reasons is that expert/scientific advice regarding crop cultivation is not reaching farming community in a timely manner. It is true that India possesses a valuable agricultural knowledge and expertise. However, a wide information gap exists between the research level and practice. Indian farmers need timely expert advice to make them more productive and competitive. In this paper, we made an effort to present a solution to bridge the information gap by exploiting advances in Information Technology (IT). We propose a framework of a cost-effective agricultural information dissemination system (AgrIDS) to disseminate expert agriculture knowledge to the farming community to improve the crop productivity. Some of the crucial benefits of AgrIDS are as follows. It is a scalable system which can be incrementally developed and extended to cover all the farmers (crops) of India in a cost effective manner. It enables the farmer to cultivate a crop with expertise, as that of an agricultural expert, by disseminating both crop and location specific expert advice in a personalized and timely manner. With AgrIDS, the lag period between research effort to practice can be reduced significantly. Finally, the proposed system assumes a great importance due to the trend of globalization, as it aims to provide expert advice which is crucial to for the Indian farmer to harvest different kinds of crop varieties based on the demand in the world market.

In 1908, Metchnikoff, the father of modern Immunology, wrote “Prolongation of Life” and created the incredible ongoing revolution known as the “Probiotic Revolution”. He proposed that “Lactic Acid Bacteria” (LAB) could render a great service in the fight against intestinal putrefaction and might postpone and ameliorate old age. Till then today, some 95 years later, dozens of the worlds most brilliant minds carry on the astonishing work that has scientifically been proven to generate restorative and healing effects in the body.

In the late 19^th century, microbiologists identified microflora in the gastrointestinal (GI) tracts of healthy individuals that differed from those found in diseased individuals. These beneficial microflora found in the GI tract were termed probiotics. The term ‘Probiotics’ is originally a Greek word meaning ‘for life’. Parker (1974) for the first time used this word. He defined Probiotics as “organisms and substances, which contribute to intestinal microbial balance”. But the most accepted definition of Probiotics was given byFuller (1989). He redefined Probiotics as “a live microbial feed supplement, which beneficially affects the host animal by improving its microbial balance”. Fuller’s definition since been broaden to state “a probiotic is a mono or mixed culture of live microorganisms which, when applied to animal or man, affect the host beneficially by improving the properties of the indigenous microflora”. This definition stresses the importance of live microorganisms that improve the health status of either man or animal and that occur in the mouth, gastrointestinal tracts (GIT), or upper respiratory or urogenital tracts (Havenaar et al, 1992).

To understand how probiotics work, it is important to understand a little about the physiology, microbiology of GI tract and the digestive process. The digestive process begins as soon as food enters the mouth and to stomach, the microbes present in the GI tract have the potential to act in a favourable, a deleterious or a natural manner. Microbes in small intestine and in large intestine complete the digestion process.

3.1 Introduction

Optical sources are a key element in many fiber optic systems. This component converts the electrical signal into a corresponding light signal that can be injected into the fiber. Several factors such as wavelength, source output and spectral bandwidth are important when selecting light source to achieve the best performance of the sensor. The optical sources used for sensors range from hot filament lamps to semiconductor lasers. These sources can be placed into two groups - incoherent and coherent sources. The tungsten lamp and light-emitting diode (LED) are some of the incoherent sources while the lasers come in the category of coherent sources. The LED is normally preferred if the multimode fiber is used for the sensor. If the optical power requirement is high then the laser with multimode optical fiber is used. For the sensors based on interference phenomenon, coherent sources with single mode fibers are used. In the case of distributed sensing, short pulse high power lasers are used. In a laboratory demonstration experiment, a visible laser such as a simple He-Ne laser may be the preferred source while in commercial applications a compact and rugged source such as laser diode or an LED is preferred. Before using the source it is very essential to know its maximum power output, wavelength of emission, linewidth, radiation pattern and modulation bandwidth. The purpose of this chapter is to provide the physics of some of the light sources and their important operating characteristics that are used in sensors.

Introduction

Developments in both hardware and software sectors of computer science raised high expectations and strong vision to solve number of problems in all sectors of economy. Introduction of personal computers (PC) in 1970’s created vision of paperless offices, simplified computing, automated process control, management information system, expert system etc. Initially, it had greater impact on agricultural research and development in developed countries in the form of Information and Communication Technology (ICT). Growth of companies with promises to provide specialist software to farmers and growers during 1980’s is a clear indicator of the high expectation and visualization of ICT in the field agricultural research and development. A review of agricultural software availability and use has been made by an international team in 1997 called FARMSOFT. This review covered on eight countries viz. Belgium, France, Germany, Israel, Italy, Portugal, Spain and The Netherlands. It was found that in 1996 out of 1315 software related to agriculture, 39% were in category of management, 26% were in category of animal husbandry, 8.9% in category of crop production, 7.0% in category of machinery and process control, 0.1% in category of irrigation and 19% in others category. Comparison of change in software inventory in 1996 with respect to 1994 revealed that there is around 15% growth in the agricultural software development. The higher positive growth was in the category of management software (38.40%) followed by animal husbandry (10.45%) and others (10.44%). However, highest negative growth was observed in the category of irrigation (-163.15%) followed by crop production (-53.85%) and machinery and process control (-30.95%). This indicates that overall agricultural software inventory was growing but while growth in the software related to agricultural management was sufficiently high, there was sharp decline in categories of irrigation and crop production. This change in pattern may be attributed to saturation of software and bottlenecks due to limitation of related technological innovations, socio-economic adoption and infrastructural facilities.

INTRODUCTION

The chrysanthemum is one of the most beautiful and perhaps the oldest flowering plant, commercially grown in different parts of the world. It is commonly known as Queen of East, Autumn Queen and Guldaudi. It is im ortant both as cut flower and as potted plant in the international market. In Dutch cut flower auction, chrysanthemum ranks second after rose. It is preferred practically due to vast range of shapes and sizes of flowers, brilliance of colour tones, long lasting floret life, diversity of height and growth habit of the plant, exceptionally hardy nature, relative ease to grow all the year round and versatility of use.

It is one of the most important traditional flowers of India mainly used as a potted plant, loose flower, cut flower and as border plant in the garden. Chrysanthemum cinerariifolium inflorescences are of considerable importance in the manufacture of pyrethrin insecticides. The leaves of Chrysanthemum balsamita become leathery on drying and can be used as bookmarks. Fresh young customary leaves can be used in salads and to add a balsam flavour in beer, soups and bread. Now programmed blooming of chrysanthemum all the year around is possible by environmental manipulations.

INTRODUCTION

Gerbera is a herbaceous flower crop with leafless stalk and daisy like flowers. It is popularly known as Barberton daisy, Transvaal daisy, Veldt daisy, African daisy and Hilton daisy. Gerbera is a popular cut flower grown throughout the world. It is ideally suited for flower beds, borders, pots, window boxes and gardens. The gerbera plant is also used in the preparation of traditional Chinese medicine i.e. Tu-er-feng, derived from whole plant of gerbera, is used for curing cold with cough and for rheumatism. Gerberas have wide range of bright, vivid and clear colours. Some of the flower colours available today are pink, yellow, red, scarlet, orange, salmon, lavender, violet, rose, cream and white. They are great plants for adding colour to any room or garden to create festive and elegant display. These spectacular, eye catching flowers are a complement to any kind of flower arrangement or bouquet and have a longer vase life. Their daisy shaped flowers have a velvet texture with green or dark centers and are cherished by florists and the cut flower industry.

It grows well in open tropical and sub tropical regions but in a temperate climate should be protected from frost and cultivated in greenhouses. Production of quality flowers of gerberas can be done under protected conditions, since they require partial shade. In California and Florida, it is grown in outdoors and is becoming increasingly popular as potted plant and bedding plant, whereas in other parts of United States it is cultivated in greenhouses. Gerbera cultivation has emerged as a very important option to progressive farmers in many parts of India, especially in Maharashtra, Karnataka, north-eastern states, U.P. and Uttaranchal.

INTRODUCTION

Gladiolus is very popular bulbous flowering plant. It is an important commercial flower crop and having pivotal place as cut flower both in domestic and international market. Gladiolus was introduced into cultivation towards the end of the sixteenth century. It is relatively easy to grow and is ideal for bedding and exhibition. The fascinating spikes bear a large number of florets, which exhibit varying sizes and forms with smooth, ruffled or deeply crinkled tepals. Except true blue and green, practically all colours are available in gladiolus. The flowers are used in flower arrangement, in bouquets and for indoor decorations. Now it ranks next to tulip in the Netherlands and other European countries in trade for use as cut flowers of bulbous crops and fourth in international trade of ornamental for cut flowers. Its keeping quality makes it a very popular commercial cut flower after rose. Gladiolus occupies first place in terms of returns as compared to other cut flowers. Gladiolus, a potential floral crop forms part of Rs. 200 crores floriculture industry in the country. It is estimated that throughout India gladiolus is grown in about 1270 ha, producing about 127 million cut spikes. In India, gladiolus is commercially grown in West Bengal, Maharashtra, Uttar Pradesh, Uttaranchal, Punjab, Haryana, Sikkim, Jammu and Kashmir, Karnataka, Gujarat, Himachal Pradesh, Tamil Nadu, Madhya Pradesh, Delhi and Rajasthan. The area of the states of U.P., Uttaranchal, Haryana, Punjab, Rajasthan and H.P. and surrounding Delhi grow gladiolus mostly for Delhi flower market. Important pockets of commercial gladiolus cultivation are Lucknow, Meerut, Bulandsahar, Ghaziabad and Uttaranchal. In Delhi market, gladiolus is available virtually throughout the year as growers stagger the corm planting from July to December to harvest the flowers from September to May. During the period between June to December, the supply of gladiolus spikes to Delhi market comes from Jammu and Kashmir, Uttaranchal and Himachal Pradesh. The high remuneration in this market is obtained from winter grown gladiolus.

Abstract

Fertilizer inputs are increasing the cost of production in inputintensive crops, so nutrient efficientcultivar is need oftoday. More demands for food by increasing world populations further enhance the importance of nutrient efficient crop cultivars that are higher producers. Breedingtechniques havebeenimplemented significantlyto breed highnutrientefficient crop cultivars to achieve the targets. However, molecular mechanism of nutrient metabolism has been understood to some extent in many crops through quantitative genetic approaches. This minireview outlines an update on recent progress on the genetic approaches of QTL/candidate genes controlling nutrient metabolism pathways in the crop plants.

Abstract

Issues regarding intellectual property rights and their protection are heralded nowadays in the scientific arena both in developed and developing countries. IPR is being given greater attention and importance due to the projected idea that it is a dependable means through which greater skills and knowledge can be utilised to serve as a reliable resource for the upliftment of the economy as well as knowledge dissemination. In context of microorganisms, India does not allow patenting of microbes whichalready exists in nature assuch but genetically modified version of the same microorganism with enhanced and improved efficacy can be patented. The deposition of microorganisms in a culture collection recognized as an international depository authority (IDA) is necessary if intellectual property rights regarding these microbes are to be claimed. An action plan for developing countries towards creating IDAs and preserving the natural gene pool has been evolved. It is likely that IDAs will transform into ‘biological resource centres’ and further into‘global common genetic resources’, with an internationally agreed legal basis for benefit sharing. This chapter is an effort to highlight the genesis of patenting and legalities of patenting microorganism in India.

1.    The organic molecules which increase the rate of metabolic reactions are referred as

(a) Coenzymes

(b) Enzymes

(c) Reactants

(d) Apoenzymes

2.    Enzymes are

(a) Organic compounds produced by living organism

(b) Inorganic compounds

(c) Both (a) & (b)

(d) None of these

1.    The outer layer of cereals is called

(a) Pericarp

(b) Germ

(c) Seed coat

(d) Endosperm

2.    The grain or edible seed of a cereal is known botanically as a

(a) Testa

(b) Caryopsis

(c) Seed coat

(d) Endocarp

1.    HACCP was developed by

(a) Pillsbury and NASA

(b) FDA (Food and Drug Administration)

(c) USDA (United States Department of Agriculture)

(d) FSIS (Food Service Inspection Service)

2.    Which is not one of the hazards in HACCP?

(a) Biological

(b) Physical

(c) Bodily

(d) Chemical

3.    Which is not a physical hazard?

(a) Staples

(b) Fingernails

(c) Bandages

(d) Parasites

3.1 Introduction

The production of food grains in India is around 200 million tonnes and most of the grains are converted to primary products after primary processing such as threshing, dehulling, de-branning. Some of the grains are converted to secondary products such as flour or grits. The yields of primary and secondary products range between 65-80% indicating a wastage of 20-35%. These wastes lead to unclean surroundings and air pollution due to fine dust. Hence, proper waste management/utilization of food grain processing industries has become a societal need for a clean environment.

The term ‘waste’ has different meanings to different people. It can be retractions from the main process or less utilizable by-products or undesirable waste material depending on the commodity. All food-processing industries generate wastes and create problems for its management. The best way the food processing industry can treat its waste is to avoid producing it. Much of the waste now being produced or generated in some food processing plants can become a managed resource for producing economic credits. In fact, waste utilization is one of the world’s prominent industries and its activities cut across the normal divisions into which industries are placed. Similarly, there will be wastes from agriculture, animal and meat industries, textile, rubber etc. Even the local governmental activities that collect and dispose the household wastes become apparent in terms of the huge size of it.

Abstract

Overall geological histories of the Quaternary deltas of all over the world have been studied considerably, to understand the evolution, eustatic – isostatic changes, land – ocean interactive phenomenon, resources, environment etc. But tectonic signatures of these deltas have been less studied, though these have significance in understanding the natural resources, environment and evaluation of natural disasters. In this context, as the state of Tamil Nadu is a low easterly gradient plain, all the easterly flowing rivers have developed well evolved geomorphic features related to youthful, mature and old stages. Such old stages of the rivers are marked by the spectacular development of deltas. These deltas of Tamil Nadu have been studied in detail for understanding the tectonics with the help of visibly seen tectonic and geomorphic features in satellite based remote sensing and ground based data sets. The study has revealed that the upper age limit / ages of these deltas are probably of Middle to Late Holocene and the various tectonic and geomorphic anomalies observed in these deltas obviously indicate the tectonic processes/ phenomena that prevailed during Middle Holocene - till date. The Proto Cauvery delta of Chennai region is witnessing ongoing NE–SW sinistral, NW–SE dextral and E–W vertical tectonic activities. The streams in Ponnaiyar delta are showing persistent southerly migration due to the probable ongoing land subsidence along NE–SW faults in the southern part of the delta. The Cauvery river which has originally developed a broad bird-foot shaped – arcuate delta, has undergone a phase of anticlockwise rotational migration and stabilized in the northern rim of the delta as Coleroon river during 2300–750 Y.B.P. due to the ongoing tectonic emergence in the south of the delta almost since the last 6000 years or so. The Vellar river, in deltaic regime, shows northerly migration due to E–W grabening in the northern part of the delta. Vaigai and Manimuttar rivers are again migrating northerly in their deltaic regions due to the probable land arching to the south of their present day flow. Thus, the paper discusses the post deltaic / Middle -Late Holocene geological processes of Tamil Nadu deltas which are predominated by tectonic activities.

The basic feature of the Pre-British India was a village, which was economically a water-tight compartment fulfilling the three basic functions of economy, i.e., production, distribution and consumption, within the village community without outside world dependence, except the salt and kerosene. Every village was a self-sufficient unit with dependence on agriculture carried out by community people of different castes having the occupational specialization with interdependence, viz. jajmani system and alike.

Developments in the means of communications and the opening of Suez Canal in 1869 introduced fundamental and far-reaching changes in the social system and economic life of Indians by transforming self-sufficient village economy to new modes and means based on competition, market and price mechanism. This change was deliberated by Britishers for meeting the requirement of raw material and the diversification to tea, jute and indigo took place. Cotton also got importance but agriculture did not find place for vegetables. Famines were very common and crop production depended on monsoon rains to the large extent. Britishers developed cotton, jute and mineral trade for their vested interests.

Britishers emphasized the development of railways for better mobility of their troops, commercial crop produce and minerals but the Report of Famine Commission 1901 bitterly criticized the Government for the step-motherly treatment given to irrigation facilities as compared to railways. The irrigation policy of the Government in 19th century was determined purely from concerns for adequate returns on investment and profit was of Rs. 81 lakhs after paying 4% interest on amount invested on irrigation development in 1896-97. Irrigation Commission was established and a sum of Rs. 42 crore was spent on irrigation by 1911. By 1930, about 30 million acres were brought under canal irrigation, which was far larger than the irrigated area in any other country of the world. Even in the USA, the area under canal irrigation was two-third that of India. Vegetables cultivation did not find place in Indian agriculture and also in diet of villagers. Their cultivation remained restricted to the periphery of the urban centres for meeting the demand of upper class elites only.

Agriculture is a generic term used to include various types of farming systems, single to multiple crops under various agro-climatic conditions thereby covering crop husbandry, animal husbandry, vegetable growing, floriculture, horticulture, fishery, poultry, goat rearing, piggery, rabbit rearing, sericulture, forestry, vermi-composting, etc. Indian agriculture is a symbiosis of various production systems, a way of life or a tradition, which for the centuries have shaped the thoughts, the outlook, the culture, and the social and economic force of rural life. It is well known for its multi-functionalities of providing employment, cultural heritage, livelihood, social security, family bondage, nutritional and food security. Although agriculture is the main stay of the Indian economy and supports nearly two-third of the work force, yet this is not a highly rewarding enterprise for a large majority of farmers who hold small and marginal size holding. At the same time, the size of the land holding is on a gradual decline, while contribution of farmwomen is on an increase as men go elsewhere in search of better jobs. This sector holds and will continue to be central to all strategies of socio-economic development of the country. A farmer is a multi-purpose entrepreneur (Rajavanshi, 2007).

An aquifer is a geologic formation, a part of a formation, or a group of formations that will yield water. The quantity of ground water that an aquifer will yield to wells depends partly on its thickness, extent, continuity, and homogeneity, and partly on its physical properties of permeability and porosity.

Groundwater is stored in subsurface void spaces below the water table. The geologic material that stores, transmits, and yields groundwater to wells and springs are called aquifers. The key word here is yields. To be an aquifer, it must store and transmit water at rates fast enough to supply reasonable amounts to wells and springs. Therefore, not all groundwater is stored in an aquifer. Productive aquifers can be comprised of sand and gravel, sandstone, limestone and dolomite, or basalt flows, whereas fractured igneous or metamorphic rocks are only marginal aquifers.

The classifications of aquifer are given below:

ETHICS OF ANIMAL USE IN RESEARCH

• The use of animals in scientific research is a controversial issue. Animals have been used throughout the history for anatomical and physiological research as well as for testing toxic substances.
• Many medical advances, including vaccines for polio and rabies, the development of certain antibiotics, anti cancer agents and transplant medicine have been developed by using animals in research.
• But the question is whether it is right or wrong to use animals for these purposes.
• All scientists working with laboratory animals must have a deep ethical consideration for the animals they are dealing with.
• From the ethical point of view it is important that such considerations are taken care at the individual level, at institutional level and finally at the national level.

What are Ethics ?

Genetic Transfer and Mapping in Bacteria

Bacteria can transfer genetic material during conjugation

Hfr strains contain an f factor integrated into the bacterial chromosome

Conjugation experiments can be used to map genes along the E. coli chromosome

A detailed genetic map of the E. coli chromosome has been obtained from many conjugation studies

Bacteriophages can also transfer genetic material from one bacterial cell to another in the process of transduction

Cotransduction can be used to map genes that are within 2 minutes of each other

Bacteria can also transfer genetic material by transformation

Horizontal gene transfer is the transfer of genes among different species

Genes in Populations

• A population is a group of interbreeding individuals who share a gene pool
• Some genes are monomorphic, and others are polymorphic
• Population genetics is concerned with allele and genotype frequencies

The Hardy-Weinberg Equilibrium

The Hardy-Weinberg equation can be used to calculate genotype frequencies based on allele frequencies

Nonrandom mating may occur in natural and human populations

1. AN OVERVIEW OF RWANDA’S SOCIO-ECONOMIC SETTING

Rwanda is a small landlocked country located in East Africa covering a total surface area of 26,338 km². It lies about 120 km south of the Equator and is bordered by Uganda in the North, Tanzania in the east, Burundi in the south and the Democratic Republic of Congo in the West. According to the national official statistics, the total population is approximately 8,200,000 people, with women accounting for 55 per cent of the people. The country’s population density is 505 people per km², making it one of the most densely populated countries in Africa (National Institute of Statistics, 2002). Since the turn of the millennium, the annual growth rate of the population has been 2.9 per cent and it is believed that by the year 2020, the country will have an estimated population of 20 million, thus exerting pressure on the limited land resources. It is also important to note that most people (64 per cent), those living in abject poverty, reside in rural areas of the country (Government of Rwanda, 2008).

6.1 Introduction

This chapter describes the development of data logger of agricultural field parameter monitoring system with LabVIEW. The system comprises of two sections- Fields device and data logger. Field device comprises of Arduino, smoke detector (for sensing hazardous gases), soil moisture sensor, temperature sensor, humidity sensor, water level sensor, battery, display unit, 2.4 GHz RF modem. Data logger comprises of Arduino, display unit, 2.4 GHz RF modem, power supply, PC with LabVIEW. The system is designed to monitor the environment and agriculture field parameters. The field device is designed to collect all physical parameters and communicate it to the receiver end with LabVIEW. For establishing communication between two sections 2.4GHz RF modem is used, which can be replaced with any other modem also.Fig.6.1 shows block diagram of field device and Fig.6.2shows block diagram of data logger.Table.6.1 & Table.6.2 shows the component list required to develop the field device and data logger.

1. Length of Gunter’s chain is……..ft

   a) 15

   b) 25

   c) 66

   d) 30

2. Chain is made up of thick galvanized iron wire of…..... mm in diameter

   a) 2

   b) 4

   c) 3.5

   d) 5

DEFINITION

Bacteria belong to prokaryota which encompasses organisms with a primitive type of nucleus lacking a clearly defined membrane .The bacteria are smaller than fungi and measure about 0.5 to 1.0 x 2.0 to 5.0µ.

Structure of Bacteria

1. A bacterial cell consists of a cellwall and a compound membrane enclosing protoplasm.
2. Inside the protoplasm, nucleus, vacuoles, mesosomes, polysaccharides, lipids, mitochondric granules and spores are found.
3. Externally bacterial cells may show capsules, pili, fimbrae and flagella.
4. The bacterial cell contains a characteristics cell wall.
5. The cell wall of bacteria is composed of a peptidoglycan. It is composed of acetyle-glucosamine and cetyle-muramic acid.
6. The rigid peptidoglycan layer is located between the cytoplasmic membrane and an outer multiple tract layer.
7. The latter layer is composed of lipoprotein . It is common in gram negative bacteria.
8. Many bacteria possess other intracellular membrane systems such as mesosomes and chondrioids.
9. The mesosome structure is formed by an invagination of the cytoplasmic membrane.

Plant diseases are a threat to world agriculture. Significant yield losses due to the attack of pathogen occur in most of the agricultural and horticultural crop species. More than 70% of all major crop diseases are caused by fungi . Plant diseases are usually handled with applications of chemicals. For some diseases, chemical control is very effective; but it is often non-specific in its effects, killing beneficial organisms as well as pathogens. Chemical control may have undesirable effects on health, safety and cause environmental risks. A promising method for protecting plants against diseases is constructing and employing pathogen-resistant cultivars. Although a number of resistant cultivars have been developed through breeding programs, these cultivars become obsolete in a short time due to the rapid evolution of the phytopathogens and the emergence of virulent forms capable to overcome the plant resistance. Breeders are often confronted with the issue of using a limited number of plants in their breeding programs, undesirable traits transferred together with the valuable resistance genes, and, in recent years, also with the depletion of potential gene sources. Control of diseases is a subject of great interest for biotechnologists. The most significant development in the area of varietal development for disease resistance is the use of the techniques of gene isolation and genetic transformation to develop transgenic resistance to fungal, bacterial and viral diseases. Improvements in genetic transformation technology have allowed the genetic modification of almost all important food crops like rice, wheat, maize, mustard, pulses and fruits. Genetic engineering technology has proved to be beneficial in managing viral and bacterial diseases in plants. The advances in gene engineering technologies and the understanding of the molecular nature of plant protection mechanisms have provided means for developing principally new strategies of plant disease control, in addition to the traditional approaches based on employing chemicals or classical breeding schemes. Biotechnology will enhance our understanding of the mechanisms that control plant’s ability to recognize and defend itself against disease caused by fungi. The integration of biotechnology with traditional agricultural practices will be the backbone for sustainable agriculture.

Abstract

Upcoming era of functional foods has led food scientists and food processors to deeply understand the role of phytochemicals in promoting human health. Phytochemicals are the secondary metabolites produced by plants and are commonly found in our daily food. Natural food products seem to be good substitute for pharmaceutical supplements to improve health status of people. Therefore, consumer's interest is growing in the food items naturally containing phytochemicals, each having there own functional and health aspects. Most discussed phytochemicals in the present paper are carotenoids such as lycopene, beta-carotene, lutein and, polyphenols such as phenolic acids, flavonoids, anthocyanins and isoflavones. Major dietary source for carotenoids include orange and yellow fruits and vegetables as well as green leafy vegetables whereas polyphenols are found abundantly in green tea, wine, berries, cocoa, broccoli. Carotenoids can also be used as colorants in foods during processing. The role of polyphenols as an antioxidant is well characterized because of there ability to scavenge free radicals or bind pro-oxidant metal ions by means of their hydroxyl group. Carotenoids also play an important role in protection against photooxidative processes by acting as singlet molecular oxygen as well as peroxyl radical scavengers, thus acting as potent antioxidant. Apart from antioxidative properties multitude of health benefits are associated with carotenoids and polyphenols such as reduced risk of age-related macular degeneration, certain cancers such as prostate, lung and colon, prevention of cardiovascular disease and enhancing immunity towards infection. Hence, continuous developments are being made to combine phytochemicals to avoid improper combinations that may nullify the effect of supplements and cause lower absorbance.

ABSTRACT

Spectral signatures are the specific combination of reflected and absorbed electromagnetic radiation at varying wavelengths which can uniquely identify an object. The “Spectral signature” of an object is a function of 1) incidental EM wavelength and material interaction with that section of the electromagnetic spectrum. The measurements can be made with various instruments, including a task specific spectrometer, although the most common method is separation of the Red, Green, Blue and Near Infrared portion of the EM spectrum as acquired by digital cameras. The spectral signatures serve as diagnostic tools in understanding the composition and structure of the materials. The present paper highlights the usefulness of the spectral signatures in rock and mineral discrimination and mineral exploration and stresses the need for creation of a spectral data base in India for various applications.

1. INTRODUCTION

Objects at the Earth's surface emit and reflect many wavelengths of radiation. In principle, each object has a unique spectral signature, which could be used for identification much like a finger print. Remotely sensed spectral signatures could be utilized for recognizing and mapping for all kinds of features. This can be done to a limited extent with conventional multispectral scanners that operate in a few broad bands of visible and infrared energy. However, broad spectral bands often do not distinguish between similar features. To overcome this limitation, a more sophisticated approach toward spectral signatures has arisen during the past few years. This approach is called image spectroscopy or hyperspectral analysis, which is based on scanning hundreds of closely spaced and very narrow spectral bands. With this technique, it is possible to create continuous spectral response curves, which may be used to identify many objects positively.

ABSTRACT

The purpose of this paper is to map the diversity of Formicoidea, richness and habitat preferences with respective to the different forest cover, classified based on the NDVI from LANDSAT TM imagery with the help of remote sensing and GIS. The study is carried out in Sirumalai hills region of Dindigul District, Tamil Nadu state, India recorded a total of 26 species with 15 genera belonging to four sub-families by a taxonomical basis. The NDVI based forest classification results that the area has disturbed dry deciduous forest (SA), undisturbed dry deciduous forest (SB), disturbed mixed deciduous forest (SC), undisturbed semi evergreen forest (SD), undisturbed grassland (SE) and undisturbed dry evergreen forest (SF) types of forest covers. The results of diversity studies, statistical analyses and field study reveals that the tropical semi evergreen forest and tropical dry evergreen forest have yielded more number of species, genera than the mixed deciduous forest and dry deciduous forest which are most disturbed by human beings in establishment of estates, management strategies by the government and land use by the local farmers.

17.1 Determination of Soil pH

The soil pH value is the measure of hydrogen or hydroxyl ion activity in the soil solution and it indicates whether the soil is acidic, neutral or alkaline in reaction. The pH is the most important property of soil as it controls the availability of plant nutrients, microbial activity and physical condition of soil. Since crop growth is affected both under very low (strongly acidic) and very high (strongly alkaline) soil pH, reclamation of these soils are necessary. Soil pH in fact indicates the extent of active acidity (activity of hydrogen ion in soil solution) of soil. Depending upon the purpose of measurement and soil condition, soil pH is measured in several soil-water or soil-salt solution ratios. The saturated paste is used for identifying specific soil problems like degree of acidity or alkalinity. For making fertilizer recommendation, 1: 2 soil-water suspension is generally adopted. To mask the variability in salt content of the soil, the pH is measured in soil-CaCl₂ suspension (1:2 soil-0.1 M CaCl₂ solution). The soil pH value is independent of dilution over a wide range of soil-salt solution ratio, thus more reproducible than those obtained with soil-water suspension.

Virus can be defined as a genetic element containing either DNA or RNA that replicates in host cells as intracellular parasites but is characterized by having an extracellular state.

Virus can use the metabolic machinery of the host cell and can modify the genetics of the host cell. Virus has both extracellular and intracellular state.

Extracellular State

Outside the host cell, the virus is a minute particle containing nucleic acid surrounded by protein, which is referred as virions or virus particles. Virions are inert and have no biosynthetic and metabolic functions. Extracellular state or virus particle is the perfect stage of virus to study the morphology and chemistry.

Intracellular State

The active state in which the virus replicate in the host cell. When the virus nucleic acid is introduced to host cell and replication starts, the process is referred as infection. The cell in which infection of virus and replication takes place is referred as host cell.

Rice is the most important cereal crop of India occupying about 44.0 million hectares land. It provides food and employment to millions of people in the country. Despite development of high yielding varieties and technological interventions the yield of rice is still low (3.20 tonnes/ha) in India. The reasons for low yield of rice are:

Lesser area under high yielding varieties

Limited availability of quality seed

Increased acidity/ sodicity in some parts of the country

Declined soil fertility

Unavailability of inputs, like fertilizers and seed, in time

Inefficient nutrient management including imbalanced use of nutrients

Improper crop rotations

Reduced availability of irrigation water

Inefficient management of weeds, diseases and insect-pests

1. Introduction

2. Human Genome Project

3. Development of Bioinformatics

3.1. Indian scenario

4. Plant Genome Model

5. Components of Plant Genome Database

5.1. Stock centre databases

5.2. Genome mapping database

5.3. DNA sequences

6. Agricultural Research Service and National Research Initiative

6.1. Objectives of plant genome programme

6.2. GIBN Trans – pacific digital library experiment plant genome databases

7. Plant Genome Databases

7.1. Vegetable genome databases

7.1.1 Mendel-Plant Gene Nomenclature Database

7.2. Others

7.2.1. Bean Genes – Phaseolus / Vigna sp. Database

7.2.2. Solgenes Database

7.2.3. Soybase

7.3. Other data bases

7.3.1. PGDB (Pathway genome data base)

7.3.2. Demeter’s genome

8. Tools of Bioinformatics

9. New Directions in Genome Database at Stanford

10. Navigating the World Wide Web

11. Virtual Genome Centre (VGC)

11.1. Programmes at the VGC

12. Impact of Gene Chips and Micro Arrays

13. Applications and Impacts

14. Bottlenecks

15. Future Thrust

Farming System Development (FSD) is better perceived as a means of facilitating interactive links between the actors (Table-1) who play significant roles in the process. A system perspective is needed in designing and evaluating suitable technologies as well as in designing policy / support system that improve both productivity and sustainability. Considerable challenges do exist in modifying the conventional top-down orientation characteristics of extension services. This requires the fundamental principle of FSD i.e. interactive mode of operation.

Water : Importance of Water in Physiological Functions of the Body

A large proportion of the body of mammals including domestic animals, is made up of water. This water is an essential attributes for the life of the animals. Animals deprived of food but provided water will survive much longer than the animals provided with food but deprived of water. Water is the basis of the liquid environment of the cells, which Claude Bernard called the milieur interieur, and Cannon the fluid matrix. Its most important biophysical qualities are its solvent properties, its ionization and its heat of vaporization. Water is essential for metabolic processes, as most of these reactions must occur in aquatic environment. Water provides the medium for the transport of nutrients from their sites of absorption to the site of metabolism. Water also provides the medium for the transport of waste products from their sites of production to their sites of final excretion. Together with the main electrolytes, water forms an excellent buffering medium. Moreover, water is an essential substrate or end product of many biological reactions. Water due to its high latent heat of evaporation or fusion is an excellent insulator for the loss of body heat and is essentially required for the loss of heat to maintain body temperature, through the evaporation of water from the skin and the respiratory tract. Water also acts as a vehicle for the transportation of nutrients, hormones, waste products and gases etc.

Body water is derived from several sources which include the water drunk, intake of water through food and metabolic body water. Water is lost from the body through several routes which include loss of water through the feces and urine, evaporation of water from the skin and respiratory tract.

The concentration of water in the body varies from one tissue to another, being least in the dentine of teeth and greatest in the grey matter of the brain. The amount of water in the body also varies considerably with the age of the animal. The younger animals contain considerably more water than the older animals. This effect is mostly due to increase in the fatty tissues in the body, which contains relatively much less water, as the relative composition of tissues of the body other than fat remains relatively constant. The proportion of water in ruminants is higher as compared to nonruminants.

The circulatory system includes the heart, blood and lymph vessels, blood, lymph, cerebrospinal and tissue fluids. Circulation of blood in the body is important for the transport of nutrients to all parts of the body and for the transport of gases and waste products. In fact most of the functions of blood could not have been possible, if there were no circulation of blood.

In order to constantly circulate the blood to all parts of the body and back, the body needs the services of an efficient pump. The pump or heart is based on the ability of muscle to contract or shorten. The blood is carried in a system of elastic tubes of pipes (arteries, capillaries and veins). The circulation of blood in the domestic animals or mammals is referred to as closed circulation because the blood returns to the heart without leaving this system of tubes.

The heartbeat frequency or pulse rate is usually given as the number of heart beats per minute. The heart rate increases several times during exercise or thermal stress. The average pulse rate of various domestic animals is given in Table 1.

Kidney is one of the main excretory organs of the body. By secreting urine the kidney serves as the outstanding guardian of the milieu interieur. The main functions of the kidney in the maintenance of body homeostasis are listed below.

1. Maintenance of proper osmotic concentrations.
2. Maintenance of blood volume.
3. Maintenance of ion concentration.
4. Removal of nitrogenous end products of protein metabolism primarily urea, creatinine and ammonia.
5. Removal of foreign substances and/or their metabolic end products.

Thus, kidney control the concentration of most of the constituents of body fluids. In case of birds, the primary end product of protein metabolism is uric acid instead of urea. So, the major excretory product through urine in case of birds is uric acid.

Briefly, the kidney form urine in the following way. Endowed with a relatively huge blood supply, the renal glomeruli filter about 200 litres per 24 hours of protein free fluid from the blood in human being ( ie 50-60 times the plasma volume). This filtrate, which contains the soluble non protein components of the plasma, is submitted to extensive reabsorption by the renal tubules. The relative control on the reabsorption process by the kidney, is the key mechanism by which the kidney is able to maintain the composition of the milieu interieur.

Kidney also releases several hormones like renin, erythropoietin and prostaglandins, which have the capacity to influence cells and alter their physiological processes.

Lactation is the process of milk secretion by the mammary gland. Milk is one of the most fascinating biological fluid whose role as a nearly complete food in sustaining life processes is well known. Milk provides an essential and highly digestible form of nutrients for the mammalian young during the critical period after birth. Milk also forms the first meal of the mammalian youngs.

Most mammals produce milk according to the requirements for their young one’s. However, man for centuries have selectively bred several animals, so that they produce milk, far in excess of the requirements of their youngs. The excess milk is harvested by man for his own and his children’s nurture. The physiology of the mammary gland or the mechanism of milk secretion forms an important part of the man’s strategy to manipulate it to its own advantage. Milk forms the raw material for the multi million dollar dairy industry all over the world. In India, dairying is the second largest agriculture based industry.

The most important animal domesticated by man for production of milk is undoubtedly the cow. Buffalo as a milk producer is important only in Asia & parts of Africa. In India its importance is as much or even more as compared to the cow in milk production ability. The other important milk producing animals are goat, sheep, camel, yak, and mithun.

The ability to produce milk is dependent on several factors including breed, season, feed etc. Majority of our animals do not conform to any descript type, some 20 per cent of them belong to 26 cattle breeds and 7 buffalo breeds. The major milk producing breed of buffaloes are Murrah and Nili Ravi. The season affects the milk producing ability of domestic animals. In Northern India, cow’s milk production is highest during March and lowest during September. However, the buffalo milk production is highest during October and lowest during June.

I. INTRODUCTORY OUTLINE

The post-Vienna legal phase is remarkably known for revolutionary changes across the global wherein the third generation of human rights became the hallmark for the comity of nations and a liberational instrument to come out of nightmarish experiences of poverty and hunger.1 On the other hand the post-GATTised legal ordering is known for much publicized and debatable conclusion of Trade Related Aspect of Intellectual Property Rights (TRIPs) and creation of World Trade Organisation (WTO).2 This new jurisprudential polemics soon evoked fierce scrutiny from the stand point of human right and poverty among third world countries.3 At home, it is dubbed as ‘bleeding operation with the dubious promise of benign global competition’, ‘de facto nullity of constitutional goal of social welfare’ and ‘contra- constitutional coup.4 Since India has become a member of WTO it indulged into massive rehabilitation and fundamental mutation of IPR regime. Despite the fact that it has a stark distinction of being a grain- surplus and food and livelihood insecure country. An inventory of over forty five million tonnes of wheat and rice in granaries remains ready for consumption. On the other hand over two hundred fifty million people generally go to bed partially hungry every day. There is a near consensus on the need to banish hunger but the realities on the ground remain that even at the risk of raising hopes the goal of food security may not be realized for generations.5 At home under the cover of food security the government is keeping millions of tonnes of food out of reach of the poor people.6 In fact India’s record breaking 200 plus million tonnes harvest is the result of steep fall in purchasing power of poor. The myth of surplus is based on sending hundreds of millions of human being hungry to their beds.7 Taken to its logical end we have abundance of food, surplus of hunger and scarcity of vision under the garb of food security.8

I. INTRODUCTION

In a global, knowledge-based economy, Intellectual Property Rights (IPRs) are a key to the international competitiveness of both nations and firms. International competition in the traded goods increasingly contains a high degree of innovation. IPRs have thus; become a trade issue and a major component of the World Trade Organisation (WTO). Adequate IP protection at an international scale has become essential for appropriating global revenue streams to support investments in developing state of- the- art technology. Although the concept of intellectual property is very old, there appeared the need to harmonize laws to facilitate international trade and free flow of technology. This became very necessary because it was difficult to obtain sufficient protection in the other countries of the world, in view of the disparity in the laws in each country. As per World Intellectual Property Organisation (WIPO) definition, intellectual property refers to creations of the mind, inventions, literary and artistic works, symbols, names, images and designs used in commerce. Broadly, intellectual property is divided into two categories. The first category covers industrial property, which includes patents, industrial designs and trademarks, all of which have industrial applications. The other refers to copyright laws, which are applied to such things as literary, dramatic and artistic works; rights relating to performing artists, the production phonograms and rights of broadcasters in their radio and television programs.¹ Patented inventions have, in fact, pervaded every aspect of human life, from electric lighting and plastic, to ballpoint pens and microprocessors. During a time when the future of many industries seems uncertain, one industry in particular appears to be positioned for expansion and enduring success. This is the biotechnology industry, which according to some analysts will be a major driving force behind the new economy of the 21st century.2 This seemingly lofty prediction is based in large part on the immense promise offered by biotechnology. The innovations developed with biotechnological techniques promise to prolong and improve our lives and the world we live in by achieving advancements in health care, agriculture, food products and production, industrial processes and environmental preservation. Biotechnology is not a new science and it has existed in some form or the other for centuries. Biotechnology in one form or another has been part of human development since the dawn of agriculture. Human ingenuity has led to increased production and greater diversity and quality of livestock and varieties of crops. Today’s food crops and domestic animals embody the benefits of many generations of selection and breeding. However, the advent of genetics has opened exciting opportunities in this sector, because of its numerous applications, which range from improvement of human health and food production to reduction of environmental damage. These opportunities are also coupled with controversies that not only challenge the laws within which society functions, but also our ethical and religious beliefs.

I. INTRODUCTION

Information technology has heralded a new era of Communication System. It has revolutionized the whole commercial world. The mother earth looks like a global village where people sitting thousands of miles away can talk face to face, like people sitting across the table. Business men and consumers are using computer to create, transmit and store information in the electronic form. Traditional form of paper documents are being discarded for the reason that electronic method is Cheaper, easier to store, retrieve and communicate. Though these advantages are obvious but people were reluctant to transact business in electronic form due to lack of legal frame work, validating these transactions. All the paper transactions involved writing and signature to conclude them. These writings and signatures posed a great hurdle for electronic governance and electronic commerce for validating and enforcing them. The law of Evidence is based on paper made documents which should have been signature. Since electronic commerce eliminates the need for paper based transactions, hence to facilitate e-commerce the need for legal change has become an urgent necessity. International trade, though the medium of e-commerce, is growing by leaps and bounds for the past few years. Many countries have switched over from traditional paper based commerce to e-commerce. The instantaneous means of communications through internet have been a great menace to copy right in different areas David Teather from London has reported that the International Federation of the Phonographic Industry say that the market in year 2000 was worth $36.9 billion, a fall of 1.3 per cent on the previous year. The biggest decline in the sale of C.D. singles was 39% and globally it fell by 14%. The growth in popularity of Napster and to contain the damage. Napster is in the process of removing copyrighted material from its site.¹ But the powers of the computer are so great that the law enforcement agencies are facing a real challenge to contain its onslaught. Internet telephony is a common sight at cyber cafe, despite the fact that it is illegal.2 B.B. Nanda and R.K.Tewari observe that “ internet paedophilia, computer network break-ins, industrial espionage, Child pornography password sniffling, spoofling, telecommunications fraud, software piracy, e- mail bombing and spamming, and the availability of illicit or unlicensed products and services are offences already making themselves felt. Emerging problems include credit card fraud, cyber terrorism, cyber laundering and criminal use of secure internet communications. The huge growth of internet will breed cyber fraud with great ease especially in the area of share-holdings of companies.3 The present weak electronic system of payment without adequate safeguard is posing a serious risk for unauthorised withdrawals from banks and counter money laundering operations. Software piracy is a boom business and video and phonographic industries are sinking day by day globally.4 The UNCITRAL Model law provides for equal legal treatment of users of electronic communication and paper based communication. In pursuance of a declaration made ‘by Member Countries, the World Trade Organisation (WTO) is about to form a work programme to handle its work in this area including the formation of multilateral trade deals through the medium of electronic commerce. The paper discusses, briefly, the meaning of cyber space the origin and development of intemet and e commerce its uses and abuses. Certain provisions relating to Information Technology Act, 2000 have been briefly discussed to apprise oneself about its effectiveness in meeting the challenges posed by e commerce in different areas.

A management information system (MIS) is an organized collection of people, procedures, software, databases, and devices used to provide routine information to managers and decision makers. The focus of an MIS is primarily on operational efficiency. Marketing, production, finance, and other functional areas are supported by MIS and linked through a common database. MIS typically provides standard reports generated with data and information from the transaction processing system (Fig. 13.1)

VIVEK M. PATIL & M.D. SURANAGI

A computer is an electronic device that has the ability to store, retrieve, and process data, and can be programmed with instructions that it remembers. Simply put, it is a very obedient servant which does whatever task it is commanded to do, in the manner in which it is trained/ programmed to carry out that task. Some of the terms commonly referred to while using computers are:

• Hardware : The physical parts that make up a computer eg. input devices, the central processing unit (CPU), memory and output devices.
• Software : A set of instructions that tell the computer what to do and how to perform a particular task is called a program, software program, or software. eg. Microsoft Word document management software enables us to type out a letter.
• Peripherals : Hardware devices connected to a computer i.e. any part of the computer outside the CPU and working memory. eg. keyboard, mouse, monitor, printer, scanner, disk and tape drives, microphone, speakers, joystick, plotter, and camera.
• Input : Whatever is typed, submitted or entered into a computer system. eg. typing a list of names.
• Data : The symbols that represent facts, objects and ideas on a computer. eg. representation of a list of names in binary language.
• Processing : Manipulation of data by the CPU of the computer or a microprocessor. eg. sorting of the list of names in alphabetic order.
• Output : The result produced by a computer after manipulating data. eg. printing out the list of names in alphabetic order.
• Memory : An area of the computer that temporarily holds data waiting to be processed or stored. eg. random access memory (RAM) and read only memory (ROM)