Fifty wheat vanetles representative of the major spring types were tested in the Fourth International Spring Wheat Yield Nursery ( ISWYN). Results were obtained from 63 locations throughout the spring wheat regions of the ...

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. ...

Shortly after the turn of the century, devastating wheat rust epidemics in the Great Plains of North America (Northern Mexico, the Plains of the U.S.A. and the Prairie Provinces of Canada), prompted the study of physiologic ...

The Fifth International Spring Wheat Yield Nursery ( ISWYN) was composed of 50 spring wheat varieties representative of the major spring wheat types. Data, received from 63 locations throughout the spring wheat regions of ...

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 ...

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 ...

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, ...