Main achievements in developing core elite parents in northern China winter wheat region were reviewed in this paper.Taking Lumai 13 and Lumai 14 and their successful application in breeding for example,the common existing problems in parental innovation,such as poor agronomic traits,low yield and disease resistance of high-yield variety,were pointed out.Referring to the problem that high yield and comprehensive resistance do not tend to be synchronously improved during parental improvement process,it was p...
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