Now showing items 1-8 of 8
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 ...
Farmer management of maize diversity in the Central Valleys of Oaxaca, Mexico: CIMMYT INIFAP -- 1998 Baseline Socioeconomic Survey
Descriptive data from the sample survey of households in the study communities enable us to profile the characteristics of: (1) farm households; (2) the maize populations they grow, based on their own descriptors and the ...
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 ...
The contribution of genetic resources and diversity to wheat productivity: a case from the Punjab of Pakistan
This study makes use of data on wheat production in the Punjab of Pakistan from 1979 to 1985 to 1) examine patterns of varietal diversity in farmers' fields both at the regional and district levels and 2) identify how and ...
The private and public characteristics of maize land races and the area allocation decisions of farmers in a center of crop diversity
This study uses an approach derived from models of the private and public characteristics of goods to illustrate (1) the overriding importance of variety attributes in farmers' decisions to allocate area among varieties ...
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 ...
IRD CIMMYT: the apomixis project -- a revolution in seed technology sows new hope in farmers' fields
(IRD; CIMMYT, 1998)
Poor and subsistence farmers, lacking hybrid and improved maize varieties, struggle daily to eke out an existence from low yielding plants that offer little resistance to destructive insects and diseases. In many of the ...