It has been known for a long time that varieties of maize differ greatly in their response to different environments, Many varieties are specifically adapted to a very narrow range of climatic or edaphic factors, while ...

Ha sido reconocido desde hace mucho tiempo que el maíz difiere grandemente en su respuesta a ambientes diferentes. Muchas variedades muestran una adaptación específica a una gama muy restringida de factores climáticos o ...

Durante la década pasada, a través del mundo en desarrollo, la producción de maíz y trigo avanzó como nunca lo había hecho. En México, por ejemplo, el rendimiento medio de trigo se incrementó de unos 2,200 kg/ha en 1960 a ...

This summary is intended to supply the cooperators of the Second International Durum Screening Nursery with information on the more desirable seedling and adult plant responses to selected races of stem rust. Additional ...

This report is intended to supply the International Durum Yield Nursery (IDYN) cooperators with seedling plant responses of the Second IDYN entries to stem rust. We hope that this information will be of value to cooperators ...

This report is intended to supply ISWYN cooperators with seedling and adult plant responses of the 7th ISWYN entries to stem rust. We hope that this information will be of value to cooperators in their breeding programs.

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 ...

Data returned on the First ISN suggest the presence of several desirable disease resistant spring wheat lines. One table is presented in summary of the most outstanding First International Screening Nursery entries.

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 ...