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利用杂种优势是提高棉花产量的有效途径。亲本选配的好坏将直接影响优势的大小。为了找出一些优势指标,用来早期预测优势,以帮助正确选配亲本,两年来分别从遗传、生理、生化等方面开展了对棉花杂种优势预测的初步研究。
Using heterosis is an effective way to increase cotton yield. Parents of good or bad will directly affect the size of the advantages. In order to find out some superiority indexes to predict the advantage in the early stage and to help the correct selection of the parents, we conducted a preliminary study on the prediction of the heterosis of cotton from the aspects of genetics, physiology and biochemistry in the past two years.