Este informe documenta el número y los tipos de variedades e híbridos de maíz lanzados por los programas públicos de mejoramiento entre 1966 y 1997; describe las variedades e híbridos comercializados por organismos públicos ...

This report documents the number and types of maize varieties and hybrids released by public breeding programs between 1966 and 1997, describes the varieties and hybrids marketed by public seed agencies and private companies ...

Because data from traditional censuses are not spatially referenced, biophysical information is generally the only type used to define the spatial domains for targeting technologies. Using existing census data for Honduras ...

This publication presents a GIS-based approach for revising the descriptions of global maize production environments, called "mega-environments" (MEs), used by CIMMYT and its partners. A cluster analysis was performed on ...

Improvements in the production characteristics of quality protein maize (QPM) are currently leading to its reintroduction in various areas of the world, both for human and animal consumption. Although the improved QPM ...

Identifying the appropriate germplasm to be improved is a key component of any participatory breeding effort because of its implications for impacts on social welfare and genetic diversity. This paper describes a method ...

This publication consists of sixteen exercises which are used in teaching the economic analysis of on-farm experimentation CIMMYT trainees. The exercises focus on the construction of partial budgets and the techniques of ...

This paper explores social arrangements associated with seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico, a centre of crop genetic diversity. A formal seed distribution system has ...

Based on an extensive review of the literature on women farmers in Africa, this paper explores the potential reasons why women farmers have not adopted improved maize technologies and discusses the implications for ...