Fifty wheat vanettes representative of the major spring types were tested in the Third International Spring Wheat Yield Nursery ( ISWYN). Results were obtained from 62 locations throughout the spring wheat regions of the ...

Utilizing the stem rust races with known pathogenicity genes, 349 varieties of durums have been screened. These varieties were selected from over 3,000 of the USDA World Durum Collection on basis of their field reaction ...

This report summarizes the progress made and some of the problems encountered in the Triticale program at CIMMYT during the past year and a supplement to the reports prepared in 1968 and 1969. Since copies of the previous ...

For the past several years the Rockefeller Foundation and later the International Maize and Wheat Improvement Center (CIMMYT) has prepared and coordinated a series of international yield trials in spring wheats. Originally ...

The cooperative Food and Agriculture Organization-Rockefeller Foundation, Near East-American Spring Wheat Yield Nursery originated as an outgrowth of a recommendation made by Dr. Jose Vallega (formerly with the Ministry ...

Prior to 1960. a number of scientists who had had occasion to stqdy uniform sets of material such as the International Rust Nursery of the United States Department of Agriculture. noticed that, apart from disease reaction. ...

Adaptation is perhaps the most elusive concept in plant breeding. Not only is there surprisingly little information concerning the performance of varieties over a broad range of environments in even the major crop plants, ...

There is no general overproduction of wheat in the world today. However, since the termination of World War II a few countries, such as the U.S.A., Canada, Australia and Argentina, either temporarily or over a period of ...