Abstract
Durum wheat (Triticum turgidum L.) cultivars derived from CIMMYT (International Maize and Wheat Improvement Center) germplasm are currently grown on more than 8 million ha worldwide. Because negligible information is available on their genes for resistance to stem rust, crosses in a diallel arrangement (without reciprocals) were made among nine resistant CIMMYT-derived durums, and Kingfisher, which was susceptible to one Mexican pathotype of Puccinia graminis f. sp. tritici. Parents, F 1 plants, F 2 populations, and F 3 lines were evaluated as seedlings in the greenhouse with two pathotypes and in the field with one pathotype (...)
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