论文部分内容阅读
对两系高粱不育系湘糯粱S - 1与 135个恢复系配制的两系组合杂种优势进行了分析 ,结果表明 ,单穗粒重、单穗粒数具有较强的超父优势和竞争优势 ,生育期具有明显的负向杂种优势。分析了杂种优势的性状相关性及亲缘关系对两系杂种优势的影响。
The heterosis of two-line combinations of Xiangnuo-sorghum S-1 and 135 restorer lines of two-line sorghum CMS was analyzed. The results showed that grain weight per spike and grain number per spike had strong superiority and competition Advantages, growth period has obvious negative heterosis. The correlations between heterosis traits and their relationship to the heterosis of two lines were analyzed.