Abstract

The inheritance of resistance to a culture of race 8 of powdery mildew was studied in the resistant barley varieties Ottawa 5069-40 and B294. Ottawa 5069-40 possesses one dominant gene for resistance which is probably the gene from the variety Duplex. B294 possesses two dominant genes for resistance. The three resistance genes are inherited independently. No linkage was detected between the resistance genes and the genes for row number, awn type, and rachilla hair length.

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