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试用遗传相关方法分析甘薯同一数量性状的亲子关系。结果表明,鲜薯重、干薯重在亲子间呈高度正相关,显示双亲加性效应对子代产量的主导作用;但组合近交系数和特殊配合力对子代产量有影响。另外,还就我国甘薯杂交育种的亲本选配和种质资源问题提出看法。
Trial Genetic Analysis of Parent-to-Child Relationship of the Same Quantitative Traits in Sweet Potato. The results showed that the fresh weight and dry weight of potato were highly positively correlated with the parents and their parents, indicating that the additive effects of parents had a leading effect on the offspring yield. However, the combination of inbreeding coefficient and special combining ability had an impact on the yield of offspring. In addition, we also put forward the views on the parental matching and germplasm resources of sweetpotato crossbreeding in China.