Mostrando ítems 1-10 de 66
Development, maintenance and seed multiplication of open-pollinated maize varieties
The procedures for the production of maize hybrid seed and maintenance of parental lines are well documented. However, not much has been written on the development, maintenance, and multiplication of improved open pollinated ...
Sites regression and shifted multiplicative model clustering of cultivar trial sites under heterogeneity of error variances
Previous papers have developed the shifted multiplicative model with one multiplicative term (SHMM1) as a model for clustering yield trial sites or cultivars into groups in which cultivar rank changes are statistically ...
Changing priorities for international agricultural research
This paper examines the consequences of global changes for publicly supported agricultural research and its implication on research priorities of the CGIAR. The author asks whether the CGIAR has appropriately adjusted its ...
CIMMYT 1998-99 World wheat facts and trends : global wheat research in a changing World : challenges and achievements
This report has four parts. The first part focuses on the changing environment in which the international wheat research system functions in developing countries. The authors describe recent trends in developing country ...
Farmer plant breeding from a biological perspective : implications for collaborative plant breeding
Plant breeding by research has become increasingly isolated from the plant breeding of farmers. Collaborative plant breeding (CPB) offers the possibility of bringing these two plant breeding traditions together to increase ...