Abstract
SummaryThe mode of inheritance of resistance to Fusarium oxysporum f.sp. cucumerinum races 1 and 2 in Wisconsin‐2757 (WI‐2757), a gynoecious cucumber (Cucumis sativus L.), was determined by analysing segregation of F1, F2 and BC1 populations of crosses with susceptible cultivar Straight‐8. Resistance to either race 1 or race 2 in WI‐2757 was conferred by a single dominant gene. In allelism tests, resistance to either race in WI‐2757 was determined by the gene Fcu‐1, which also confers resistance in line SMR‐18.
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