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植物育种者如能预测出哪个亲本组合能产生优良后代的频率最高,则育种效率便会大幅度提高。在确定三交、四交亲本的交配次序以获得最优生产效能时,情况也是这样。当育种
If plant breeders can predict which parental combinations will produce the highest progeny frequency, the breeding efficiency will increase dramatically. The same is true when determining the order of mating of three or four parents to achieve optimal productivity. When breeding