D. V. Bhagat – författare

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7 produkter

Manual Of Weed Control

AvD. V. Bhagat

E-bok

Engelska, 2013

6 154 kr

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Weed control is the botanical component of pest control, using physical and chemical methods to stop weeds from reaching a mature stage of growth when they could be harmful to domesticated plants and livestock. In order to reduce weed growth, many “weed control” strategies have been developed in order to contain the growth and spread of weeds. The most basic is ploughing which cuts the roots of annual weeds. Today, chemical weed killers known as herbicides are widely used. Weeds can compete with productive crops or pasture, or convert productive land into unusable scrub. Weeds are also often poisonous, distasteful, produce burrs, thorns or other damaging body parts or otherwise interfere with the use and management of desirable plants by contaminating harvests or excluding livestock. Weeds tend to thrive at the expense of the more refined edible or ornamental crops. They provide competition for space, nutrients, water and light, although how seriously they will affect a crop depends on a number of factors. Some crops have greater resistance than others- smaller, slower growing seedlings are more likely to be overwhelmed than those that are larger and more vigorous. The manual will definitely serve as a guide to the field/extension/students and research workers who are involved in weed control work.

Biotechnology in Crop Improvement

AvD. V. Bhagat

E-bok

Engelska, 2013

4 294 kr

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When plants of the same kind are grown and cultivated at one place on a large scale, it is called a crop. For example, crop of wheat means that all the plants grown in a field are that of wheat. Crops are of different types like cereals, vegetables and fruits. These can be classified on the basis of the season in which they grow. Cultivation of crops involves several activities undertaken by farmer over a period of time. These activities or tasks are referred to as agricultural practices and they are: Preparation of soil, adding manure and fertilizers, irrigation, protecting from weeds, harvesting and storage. Effective management of all these practices is necessary for sustainable crop production. This book is written to serve a text book of agronomy-cum-reference/guide book for the students of agriculture, veterinary, soil conservation and field practitioners. The book fills the need for an up-to-date comprehensive text on crop management and integrated farming under varying situations and covers comprehensively the content of the courses of Field Crops and Farming Systems in Agronomy offered for the students at under graduate and post graduate levels of agricultural universities in the country. This book will be of immense use in imparting knowledge on the basic principles of crop production and applied aspects of integrated farming systems for students, teachers, scientists, extension workers and professionals engaged in agricultural development. Contents: Biotechnology in Crop Production; Biotechnology of Vegetables and Fruits; Plant Reproduction and Biotechnology; Plant Genetics Engineering; Microbiology in Biotechnology; Relation of Bacteria to Agriculture; Role of Bacteria and Actinomycetes in Biological Control of Pests and Diseases; Prospects and Limitations of Agricultural Biotechnologies.

Agricultural Insect Pests and Their Control

AvD. V. Bhagat

E-bok

Engelska, 2013

3 578 kr

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Agricultural insect pests will destroy fruits, vegetables and the plants on which they develop. The size, shape, features and other characteristics of these bugs help people to identify them. The colour of an agricultural insect pest, such as the green body and yellow stripe on the striped cucumber beetle, often gives its identity away. Different features separate some pests from others. For example, the green apple aphid has mouthparts designed to pierce and suck out juices. This aphid has recognizable cornicles that resemble two tailpipes sticking out of the rear of its abdomen. The shape of a bug’s body is a great clue to what it may be. Brown marmonated stinkbugs have a body shaped like a shield, for example. This insect pest infests fruits and vegetables. Most insect pests will typically be a certain size. Sowbugs are problematic when they invade a greenhouse. These pests are usually three-quarters of an inch in length. The book will also be useful to those who are preparing for competitive examinations conducted by various Central and State Government Agencies for recruitment. Every attempt has been made to provide necessary information from the point of view of students of Agricultural Entomology, which is not available in other books.

Biological Control of Plant Parasitic Nematodes

AvD. V. Bhagat

E-bok

Engelska, 2013

3 578 kr

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The study of nematode biology has led to a dramatic increase in understanding of how all animals function. In fact, the bacterial-feeding nematode, Caenorhabditiselegans, is one of the best-understood animals on earth. The fate of every cell in C. elegans development has been carefully mapped. It was the first animal to have its DNA sequence completely deciphered, and it is amenable to detailed genetic analysis. The study of C. elegans has led to new insights into the details of animal development, neurobiology, behaviour, and has been of great value in biomedical research as well as in the understanding of nematode biology (Riddle et al. 1997). One might think of soil as a safe environment, but to a microscopic nematode it is a hostile world filled with danger. A nematode must contend with voracious predators, changes in soil temperature and moisture, and the death of its host plant. For a nematode population to survive, it must be able to circumvent these obstacles. The present book incorporates many chapters on biological control of plant parasitic nematodes each one contributed by well recognised authorities.

Nematode Management in Plants

AvD. V. Bhagat

E-bok

Engelska, 2014

6 154 kr

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Nematodes are the most numerous multi-cellular animals on earth. A handful of soil will contain thousands of the microscopic worms, many of them parasites of insects, plants or animals. Free-living species are abundant, including nematodes that feed on bacteria, fungi, and other nematodes, yet the vast majority of species encountered are poorly understood biologically. Nematodes represent a unique challenge to agricultural research, in that they combine the potential for serious reductions in growth and yield in a wide range of crop plants, often with rather nonspecific and easily misdiagnosed symptoms. Development of the concept of pest management and their implementation have led to a greater appreciation of the need for a wide range of tactics for nematode control. The present book "Nematode Management in Plants" provides an authoritative review of many aspects of nematode control and progress in the field of nematode management programme. This book will be useful to plant pathologist, nematologist, research and extension workers, teachers and students.

Plant Protection

A Biocontrol Approach

AvD. V. Bhagat

E-bok

Engelska, 2014

6 154 kr

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Biological Control or bio-control is the use of an invasive plant’s natural enemies - agents - to reduce its population below a desired level. It is the long-term, self-sustaining treatment method for managing invasive plants. It can be divided into two approaches, classical and inundative. In recent decades, elevated awareness of the impacts of pesticide use on the environment and human health have resulted in efforts to reduce reliance on chemical controls. Many countries have instituted more stringent regulation of pesticide manufacture, registration and use, thereby increasing the cost, and decreasing the availability of these tools. All those interested in the pursuit of Plant Sciences will find this volume useful and stimulating. Audience: Botany: Students and Research scholars in Mycology, Plant Pathology, Microbial Technology, Microbial Ecology and Applied Microbiology. This book is perfect for shorter courses which focus on plants and animals. It is simply the textbook for showing students how biology works, offering an engaging and content presentation of the fundamentals through the landmark experiments that revealed them.

Vascular Plants

AvD. V. Bhagat

E-bok

Engelska, 2013

6 030 kr

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Vascular plants, also known as tracheophytes are any of various plants, such as the ferns and seed-bearing plants, in which the phloem transports sugar and the xylem transports water and salts. They also have (non-lignified) tissue to conduct products of photosynthesis. Vascular plants include the clubmosses, horsetails, ferns, gymnosperms and angiosperms. Scientific names for the group include Tracheophyta and Tracheobionta. Plant species are searchable by scientific and common name, including synonyms; known presence within a county; nomenclature citation information; availability of a herbarium specimen image; and listing as threatened/endangered, native, endemic, invasive, wetland and other characteristics. One possible mechanism for the presumed switch from emphasis on the haploid generation to emphasis on the diploid generation is the greater efficiency in spore dispersal with more complex diploid structures. The present book is a concise and up-to-date work including all aspects of this subject. Every effort has been made in the representation manner in this book so that the students do not get confused while going through this book.

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D. V. Bhagat – författare

Manual Of Weed Control

Biotechnology in Crop Improvement

Agricultural Insect Pests and Their Control

Biological Control of Plant Parasitic Nematodes

Nematode Management in Plants

Plant Protection

Vascular Plants

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