Last edited by Zulular
Sunday, July 19, 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

by J. G. Hawkes

  • 300 Want to read
  • 34 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

    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.


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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 J. 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 The diversity of crop plants book 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 being 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 to adapt their crops to environmental changes. In their fields and in the nearby wild areas, there is a huge diversity of plants, which continue to evolve 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 then, 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 J.M. 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.