陆地棉亲本间遗传距离与杂种优势的相关性研究

曲玉杰,孙君灵,耿晓丽,王骁,ZareenSarfraz,贾银华,潘兆娥,何守朴,龚文芳,王立如,庞保印,杜雄明

Correlation Between Genetic Distance of Parents and Heterosis in Upland Cotton

QU YuJie,SUN JunLing,GENG XiaoLi,WANG Xiao,Zareen Sarfraz,JIA YinHua,PAN ZhaoE,HE ShouPu,GONG WenFang,WANG LiRu,PANG BaoYin,DU XiongMing

表4 Cor2遗传距离与杂种优势的相关关系

Table 4 Correlation between heterosis and genetic distance by Cor2

性状 Trait 与遗传距离的相关性系数 Correlation coefficient with genetic distance 中亲优势MPH 超亲优势HB Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ PH 0.2433*** -0.0173 0.0870 -0.1815*** 0.0196 -0.0037 -0.3721*** -0.1579** -0.5368*** -0.1613 BW -0.1003 -0.1486** -0.2628*** -0.2738*** -0.2346** -0.0008 -0.0864 -0.1819*** -0.2451*** -0.4287*** LP 0.3801*** 0.2978*** 0.2879*** 0.1346** 0.2462** -0.0562 -0.0356 -0.0852 -0.0949 -0.4010*** BN -0.5678*** -0.4537*** -0.5135*** -0.3352*** 0.0049 -0.6861*** -0.6001*** -0.6672*** -0.4586*** -0.0976 FL -0.0951 0.0630 -0.0964 0.0163 -0.2031* -0.4566*** -0.3952*** -0.2698*** -0.0866 -0.5788*** FS -0.0239 0.1614*** 0.2813*** 0.1780*** 0.2144* -0.2216** -0.1698*** 0.1662** 0.0818 -0.0685 MIC -0.2862*** -0.3924*** -0.4440*** -0.4387*** -0.1036 -0.4695*** -0.5275*** -0.4915*** -0.5194*** -0.1980* FU 0.1141 0.2487*** 0.1173* 0.1518** 0.1791* -0.0189 0.2020*** 0.0613 0.1870*** -0.2032* FE -0.3579*** -0.1354** -0.1053 0.0999 0.1257 -0.2300** -0.1320** 0.0370 0.1207* -0.0573 SCI 0.1834** 0.4003*** 0.4058*** 0.3726*** 0.2354** -0.2461*** -0.0577 0.2116*** 0.2357*** -0.2630**