[PDF] Development And Spread Of Improved Maize Varieties And Hybrids In Developing Countries eBook

Author : Christopher Dowswell
Publisher : CRC Press
Page : 277 pages
File Size : 43,9 MB
Release : 2019-04-01
Category : Business & Economics
ISBN : 042972375X

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Maize is the world's most widely grown cereal and a dietary staple throughout the Third World, but its full potential has only begun to be tapped. This book thoroughly examines the biological and economic issues relevant to improving the productivity of maize in developing countries. The authors explore a wide range of practical problems, from maxi

Author : Michael L. Morris
Publisher : Lynne Rienner Publishers
Page : 422 pages
File Size : 41,72 MB
Release : 1998
Category : Business & Economics
ISBN : 9781555877903

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Divided into four parts, this volume first lays out the importance of maize seed industries and presents a conceptual framework. The second section describes the key products and processes associated with maize seed industries, including varietal development, marketing, and industrial regulation. The third section offers nine country case studies, while the fourth part discusses the likely future course of seed industry development and alternative organizational forms. Paper edition (unseen), $29.95. Annotation copyrighted by Book News, Inc., Portland, OR

Author : Derek Byerlee
Publisher :
Page : 31 pages
File Size : 15,60 MB
Release : 1994
Category : Agricultural innovations
ISBN :

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The stages of technological change in maize production in commercial and small-scale semisubsistence systems are discussed and variation in the use of improved varieties/hybrids and adoption of associated inputs are noted. The impacts of the new biotechnologies and the increasing emphasis on resource-conserving technologies are also discussed with respect to prospects for technological progress in maize production in developing countries. Finally, strategic decisions that must be made by national agricultural research systems in developing countries are reviewed, especially decisions related to the relative emphasis to give to development of improved open-pollinated or hybrid maize varieties; the participation of the public and private sectors in research to achieve technological progress in maize production; and the types of farmers on which the public research system should focus its efforts.

Author : Michael L. Morris
Publisher : CIMMYT
Page : 66 pages
File Size : 16,32 MB
Release : 2002
Category : Corn
ISBN : 9706480919

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Why maize is different from other crops; Investment in maize breeding research; Products of maize breeding research; Adoption of modern varieties (MVs); Economic benefits associated with MV adoption.

Author : L. T. Evans
Publisher : Cambridge University Press
Page : 516 pages
File Size : 14,14 MB
Release : 1996-05-02
Category : Science
ISBN : 9780521295581

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In this major 1993 work, Lloyd Evans provides an integrated view of the domestication, adaptation and improvement of crop plants, bringing together genetic diversity, plant breeding, physiology and aspects of agronomy. Considerations of yield and maximum yield provide continuity throughout the book. Food, feed, fibre, fuel and pharmaceutical crops are all discussed. Cereals, grain legumes and root crops, both temperate and tropical, provide many of the examples, but pasture plants, oilseeds, leafy crops, fruit trees and others are also considered. After the introductory chapter, the increasing significance of crop yields to the world's food supply is highlighted. The next three chapters consider changes to crop plants over the last ten thousand years, including domestication, adaptation and improvement. Aimed at research workers and advanced students in crop physiology and ecology, agronomy and plant breeding, this book also reaches conclusions of relevance to those concerned with developmental policy, agricultural research and management, environmental quality, resource depletion and human history.