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在农业生产上,杂种优势的利用是一项很有成效的增产途径,因此,如何在杂交育种中更有成效地选择亲本,以获得强优势的杂交组合是当前生产实践中急待解决的问题。杂种优势的预测是育种工作中众所关注的问题之一。 杂种优势是在遗传背景上一系列生理生化
In agricultural production, the utilization of heterosis is a very effective way to increase yield. Therefore, how to select parents more effectively in crossbred breeding to obtain strong heterosis hybridization is an urgent problem in current production practice . Prediction of heterosis is one of the concerns in breeding. Heterosis is a series of physiological and biochemical genetic backgrounds