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以对大豆灰斑病７号生理小种表现抗感反应不同的５个亲本配制的４个杂交组合后代的接种鉴定分析，指明大豆对这个小种的抗性也是受一个的单显性基因控制。
Inoculation identification analysis of four crosses of four crosses between different races of soybean gray leafhopper No. 7 showed that the resistance of soybean to this race was also controlled by a single dominant gene .