摘要
１９９２～１９９４年通过田间试验研究向日葵亲本间数最性状的遗传距离分析在产量杂种优势预测中的应用效果。结果表明．向日葵亲中间距离Ｄ２值与Ｆ１产量的对照优势间呈显著的二次曲线回归关系，据此模型预测的产量对照优势理论值与实际值之间高度吻合，可在育种实践中加以利用。
Field experiments were conducted during 1992～1994 .to study the possibilityof predicting grain yield heterosis with the aid of genetic distance analysis of the parental(quantilative traits in sunflower. Results showed that a significant quadratic regression modelfil the relationship between check heterosis of grain yield and the divergence value D2. Theperdicted check heterosis of grain yield higly agrreed with the observed heterosis.
出处
《中国油料》
CSCD
北大核心
1996年第3期23-26,共4页
基金
吉林省科委资助项目
关键词
遗传距离分析
向日葵
产量优势
预测
Genetic distance analysis
Sunflower
Grain yield heterosis
Prediction
