Now showing items 1-10 of 16
Genetic change in farmer-recycled maize seed: a review of the evidence
This paper summarizes what is known about farm-level maize seed management practices and reviews the theoretical and empirical evidence regarding the relationship between farmers’ seed recycling practices and the genetic ...
A conceptual framework for valuing on-farm genetic resources
This paper proposes a preliminary conceptual framework designed to support strategic decisions about which crop populations-in a well-defined reference area within a crop's center of diversity-are suitable candidates for ...
The genetics and exploitation of heterosis in crops: an internacional symposium
Welcome to the "International Symposium on the Genetics and Exploitation of Heterosis in Crops." Heterosis has significantly increased the productivity and quality of major crops in our century, contributing additional ...
Demand and supply of crop infraspecific diversity on farms: towards a policy framework for on-farm conservation
Interest is increasing worldwide in on-farm conservation as a component of a strategy to conserve crop genetic resources. On-farm conservation may require outside support to small-scale farmers in areas of crop domestication ...
Understanding global trends in the use of wheat diversity and international flows of wheat genetic resources
This paper discusses the centers of origin and diversity for bread wheat; sketches historical patterns in the sources and use of wheat genetic resources in modern plant breeding; identifies and compares indicators of genetic ...
Conservation et distribution de semence: double fonction de la Banque de gènes de mais du CIMMYT
The CIMMYT Maize Germplasm Bank contains a wealth of genetic diversity, mostly in the form of landraces. This publication describes the general composition of the Bank's holdings and the conditions under which they are ...
Utilizing wild grass biodiversity in wheat improvement: 15 years of wide cross research at CIMMYT
For the first time, this report brings together detailed accounts of new knowledge and techniques developed through wheat wide crosses research at CIMMYT since this work was initiated in 1979. Beginning with a summary of ...
Modern varieties, productivity, and sustainability: recent experience and emerging challenges
The contribution of modern varieties of the three major cereal crops.(rice, wheat, and maize) in the post-Green Revolution period, especially during the past decade or so, is reviewed in light of recent changes in the ...
In situ conservation of crops and their relatives: a review of current status and prospects for wheat and maize
This paper reviews the current status and prospects for in situ conservation of maize and wheat and their relatives. The caricature of in situ conservation-that it imposes cultural stasis and isolation on marginal ...