Determination of leaf rust resistance genes Lr10, Lr26 and Lr37 by molecular markers in wheat cultivars registered in the Czech Republic

Determination of leaf rust resistance genes Lr10, Lr26 and Lr37 by molecular markers in wheat cultivars registered in the Czech Republic

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Twenty-seven winter wheat cultivars registered in the Czech Republic were tested by molecular markers for the presence of Lr26 and Lr37, and twenty-eight cultivars for the presence of Lr10.Gene Lr37 was determined in eleven cultivars, gene Lr10 Compact Steam Oven in ten cultivars and gene Lr26 in four cultivars.Eight cultivars had combinations of two Lr genes, one cultivar possessed all the three Lr genes.The results of marker analyses were compared Faux Plant with multipathotype analysis which confirmed the presence of Lr26 but did not enable the verification of the presence of Lr10 and Lr37.

Seedling resistance was compared with resistance of the studied cultivars in the field.