Last edited by Mazulrajas
Monday, May 4, 2020 | History

6 edition of The diversity of crop plants found in the catalog.

The diversity of crop plants

J. G. Hawkes

The diversity of crop plants

  • 264 Want to read
  • 22 Currently reading

Published by Harvard University Press in Cambridge, Mass .
Written in English

    Subjects:
  • Field crops -- Varieties.,
  • Field crops -- Evolution.,
  • Field crops -- Germplasm resources.

  • Edition Notes

    StatementJ.G. Hawkes.
    Classifications
    LC ClassificationsSB185.75 .H38 1983
    The Physical Object
    Paginationvi, 184 p. :
    Number of Pages184
    ID Numbers
    Open LibraryOL3502909M
    ISBN 10067421286X
    LC Control Number82023253

    Returning plant diversity to farms could be a key step toward sustainable pest control Mixing genotypes of the same crop species could add diversity without hurting production levels Left to its own defenses, a farm field growing a variety of plants tends to attract fewer insect pests than a field growing just one type of crop. “In plant breeding, just as in evolution, genetic variety is the raw material of success. Hybrid is the story of how the genes that make a fat corn cob, a luscious apple, a brilliantly orange carrot or a high yielding strain of rice have traveled by serpentine paths to reach the genomes of the crops that we so depend on and yet so take for granted. In Hybrid we learn that there was a green.


Share this book
You might also like
Wake up, America.

Wake up, America.

Departments of Labor, Health and Human Services, Education, and related agencies appropriations for 2010

Departments of Labor, Health and Human Services, Education, and related agencies appropriations for 2010

Learn every day about numbers

Learn every day about numbers

Coast Guard engineering

Coast Guard engineering

State and local government purchasing

State and local government purchasing

Oration, in commemoration of American independence

Oration, in commemoration of American independence

The SRL guide to technical employment

The SRL guide to technical employment

Charges of desertion.

Charges of desertion.

Vegetation resources inventory of Southwest Alaska

Vegetation resources inventory of Southwest Alaska

common law of Kent, or, The customs of gavelkind

common law of Kent, or, The customs of gavelkind

Sicilian dragon, classical and levenfish variations

Sicilian dragon, classical and levenfish variations

Gian Lorenzo Bernini

Gian Lorenzo Bernini

Tributes to Ralph Hodgson on a hundredth birthday, September 9, 1971.

Tributes to Ralph Hodgson on a hundredth birthday, September 9, 1971.

AGARD Lecture Series No. 95

AGARD Lecture Series No. 95

The diversity of crop plants by J. G. Hawkes Download PDF EPUB FB2

The Diversity of Crop Plants. the importance of this diversity, for conserving and utilizing the genetic heritage of plants drives home the urgent and practical message of the book—the necessity of maintaining crop plant diversity as we attempt to.

The Diversity of Crop Plants (John M. Prather Lectures) Hardcover – July 1, by The diversity of crop plants book. Hawkes (Author)Author: J. Hawkes. Free shipping for non-business customers when ordering books at De Gruyter Online.

Please find details to our shipping fees here. RRP: Recommended Retail Price. The Exploration and Storage of Crop Plant Diversity. Pages Get Access to Full Text. Global Strategies for Conserving and Utilizing the Genetic Heritage of Plants. Pages. Get this from a library.

The diversity of crop plants. [J G Hawkes] -- Onderzoek naar de evolutie van de gekultiveerde planten, naar hun verscheidenheid en het belang hiervan en naar de middelen waarmee deze verscheidenheid bewaard kan blijven en voor de kwekers in de.

The diversity of crop plants. This book examines the significance of origin, evolution, morphological variation and physiological adaption in their influence on crop plant diversity. Methods of conserving genetic resources are discussed and the role of international and regional agencies in countering genetic erosion is by: Prices in GBP apply to orders placed in Great Britain only.

Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices are subject to change without notice. Prices do not include postage and handling if applicable.

Free shipping for non-business customers when ordering books at De Gruyter Online. Functional Diversity of Mycorrhiza and Sustainable Agriculture is the first book to present the core concepts of working with Arbuscular mycorrhizal fungi to improve agricultural crop productivity.

the diversity of cultivated plants. Out of an estimated total of 30, edible plant species, only 30 ‘feed the world’, with the three major crops The diversity of crop plants book maize (Zea mays), wheat (Triticum aestivum) and rice (Oryza sativa) (FAO, a).

In addition to the interspecific reduction of crop diversity in agriculture, plant breedingFile Size: KB. The wise use of crop genetic diversity in developing improved crops can contribute significantly to protecting the environment. Crop varieties that are resistant to pests and diseases can reduce the need to apply harmful pesticides.

More vigorous varieties can better compete with weeds, reducing the need for applying herbicides. Agricultural biodiversity is the diversity of crops and their wild relatives, trees, animals, microbes and other species that contribute to agricultural production. This diversity - which results from thousands of years of interactions among people and the environment - is a key component of healthy diets and human health.

Smallholder farmers can use diversity of crops as a resource The diversity of crop plants book adapt their crops to environmental changes. In their fields and in the nearby wild areas, there is a huge diversity The diversity of crop plants book plants, which continue to The diversity of crop plants book and adapt to changing conditions and so can be used to provide useful genes for new crops.

from book Development and Organization of Cell Types and Tissues (pp) Plant Biodiversity. genetic diversity in crop plants and their wild. relatives.

For example, the number of rice land. American gardeners were captivated by the plant and used it for a variety of ornamental purposes.

By the s, the plant was used to feed animals and The diversity of crop plants book, a decade later, to control erosion. In the s, farmers were paid to grow the plant.

However, because the kudzu vine grows so fast and is so prolific. Conserving plant genetic diversity in protected areas: population management of crop wild relatives The diversity of crop plants book. Iriondo, N Maxted, Dullo M.E. Conservation in protected areas has focused on preserving biodiversity of ecosystems and species, whereas conserving the genetic diversity contained within species has historically often been ignored.

Chapter 1 The state of diversity Introduction 3 Diversity within and between plant species 3 Changes in the status of on-farm managed diversity 4 Changes in the status of diversity in ex situ collections 4 Changes in the status of crop wild relatives 9 Molecular technologies 9File Size: 9MB.

These markers have been widely applied to measure genetic diversity in crop plants and have played an important role in the characterization of crop genetic variation.

However, genome-wide SNP markers with better sampling of plant genomes have not fully been applied to assess crop genetic diversity (Hyten et al. ).Cited by:   Mega- gene centres • Zeven- zhukovsksy () and zeven-de Wet (), recognised mega gene centres of crop plant diversity and a number of micro gene centres of wild growing species related to our crop plants.

• These includes: 1). Chinese- Japanese region 2). Indo- Chinese- Indonesian region 3). Australia - New Zealand region 4). However, maintaining genetic diversity is fundamental to food security and the provision of raw materials and it is best preserved within plants' natural habitats.

This is particularly true for wild plants that are directly related to crop species and can play a key role in providing beneficial traits, such as pest or disease resistance and. Plant Diversity Page pd-1 Diversity in the Plant Kingdom I.

Introduction All modern terrestrial plants are the descendants of algae that adapted to a terrestrial habitat roughly million years ago. Compared to water, land is an erratic habitat where temperature and moisture availability may change abruptly and dramatically.

Crop biodiversity. Today, plant species (out ofknown plant species) dominate the world’s agricultural landscapes, but only 12 crop species provide 80% of the world’s food chain [].Three main cereals: wheat, rice and maize, provide about 50% of the energy we obtain from by: 2.

harnessed by using wild relatives of crop plants to create new varieties of more productive crops and to breed better domestic animals. Modern biotechnology manipulates genes for develop-ing better types of medicines and a variety of industrial products.

Species diversity The number of species of plants and animals. The diversity of plants on the planet earth is an important resource for food, shelter, and agriculture. About thousands of plant crop species have been identified, developed, used and relied on for the purpose of food and agricultural production in human history.

These plants include bushes, grasses, herbs, shrubs, trees, vines, ferns, and mosses. Indian crop diversity also has been a major contributor at the global level in recent times (Figure 2).

Apart from the crop plants and their wild relatives, enormous diversity occurs in natural habitats in medicinal and aromatic plants and forage grasses and legumes. Some of the medicinal plants diversity such as RauvolfiaFile Size: KB. This focus on a remarkably small number of plant species means that there is very little genetic diversity among the crops that are most important for feeding people around the world.

If an unexpected crop pest – such as an insect, fungus or virus – arrives on the scene, people will starve.

It's happened before. The Fungi combines a wide scope with the depth of inquiry and clarity offered by three leading fungal biologists. The book describes the astonishing diversity of the fungi, their complex life cycles, and intriguing mechanisms of spore release.

Recognition of the significance of crop diversity to our future is perhaps most clearly epitomized by the agreement of a global treaty addressing the issue – the International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA), which came into force in It is generally perceived that activities related to plant breeding have reduced the genetic diversity within crop species.

Therefore, the impact of plant breeders’ activities i.e. introduction, selection and hybridization on plant genetic diversity have been Size: KB. Crop rotations of plants from different families are recommended to keep microbial diversity at its maximum and to break up any potential damaging pest cycles.

Additional practices that promote the diversity and activity of soil organisms include low amounts of soil disturbance, use of cover crops, maintaining pH close to neutral, and routine. Below is a selection of useful books that provide scientific and background information on assessment and conservation actions targeting biodiversity conservation.

North American Crop Wild Relatives, Volume 2. Plant breeding is essential to food production, climate-change adaptation and sustainable development.

This book brings together experienced practitioners and researchers involved in collaborative breeding programmes across a diversity of crops. Ecological Consequences of Increasing Crop Productivity: Plant Breeding and Biotic Diversity - CRC Press Book With contributions from leading scientists in agricultural biology and young researchers, this book examines the ecological consequences that sometimes arise with various methods of increasing crop productivity.

Therefore, analysis of genetic relationship in crop species is an important component of crop improvement programs, as it serves to provide information about genetic diversity, and is. This book provides comprehensive and latest insights on the evolutionary genesis of diversity, access and its utilization in the evolution of various crop species.

The book is especially intended for students and scientists working on the genetic improvement of crop species. Plant Breeders, Geneticists, Taxonomists, Molecular Biologists and. Crop diversity is an aspect of biodiversity important for food security.

The loss of biodiversity is considered one of today’s most serious environmental concerns by the Food and Agriculture Organization. If current trends persist, as many as half of all plant species could face extinction.

Mutagenesis: exploring genetic diversity of crops - ISBN - Hardback (print only): $ e-book - Mutagenesis: exploring genetic diversity of crops - ISBN (online only): $   For example, consider a situation in which a prairie grassland ecosystem’s main food-producing plant is completely destroyed by a fire.

A plant species that was previously less abundant may now be better suited to live in the new soil conditions, and therefore become the new dominant food-producing plant species serving the grassland. Fewer crop species are feeding the world than 50 years ago, raising concerns about the resilience and nutritional value of the global food system, a study says.

Evolution of Crop Plants is an excellent resource for plant breeders and biotechnologists, seed producers, plant pathologists and researchers in agriculture, crop evolution and conservation.

For each crop, the book includes a detailed examination of: Enter your mobile number or email address below and we'll send you a link to download the free Cited by: Genetic diversity is the base for survival of plants in nature and for crop improvement.

Diversity in plant genetic resources provides opportunity for plant breeders to develop new and improved cultivars with desirable characteristics, which include both farmer-preferred traits (high yield potential, large seed, etc.) and breeder-preferredFile Size: KB.

A Vavilov Center (of Diversity) is a region of the world first indicated by Nikolai Vavilov to be an original center for the domestication of plants.

For crop plants, Nikolai Vavilov identified differing numbers of centers: three infive insix inseven ineight in and reduced to seven again in Vavilov argued that plants were not domesticated.

Loss of genetic diversity has been recognized as a genetic pdf imposed on crop plants during domestication and through modern plant breeding practices. Allelic variation of genes originally found in the wild but gradually lost through domestication and breeding has been recovered only by going back to by: 3.The Conservation of Plant Biodiversity takes an evolutionary perspective to the conservation of plant biodiversity, stressing the download pdf to explore both current and long-term issues.

It highlights three conservation strategies: communities conserved in nature reserves; individual species conserved in nature reserves or botanic gardens; and domesticated plants, preserved mainly Reviews: 1.

Diversity of Crop Species. World Vegetable Center houses the ebook public collection of vegetable germplasm in the world.

Germplasm are living genetic resources such as seeds or tissue that are.