Inheritance of the resistance to fusarium head blight in F1 hybrids of barley.

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Inheritance of resistance to fusarium head b1ight wasanalysed using F1's from a set of 8×8(Table 2)and 6×6(Table 4)reciprocal diallel crosses and 101 topcross F1's crossed with a susceptible Ethiopian varietyand as well as 30 top cross F1's crossed with a moderately resistant Harbin 2-row. Spikes of the F1's and parents at flowering were inculated with a fusarium strain OUGZ 78 by the cutspike inoculation method developed by the authors.The inoculated spikes were kept under 25°C and 100% relative humidity conditions for two days, then under1323°C and 95% relative humidity conditions for sixdays. Percentage of infected florets was recorded onthe eighth day of incubation.The experiment was replicated twice.
日本育種学会の論文