论文部分内容阅读
以7个陆地棉品种配制的6个组合的P1，P2，F1，F2，BC1，BC2群体和6个组合的P1，P2，F2群体为材料，接种菌系采自于河北省棉区的2个中等致病力菌系（VJ25和VJ17），在人工生长室条件下研究了陆地棉的黄萎病抗性遗传方式。结果表明，陆地棉品种93抗12、彭泽70和苏2028具有对中等致病力菌系的抗性。在抗、感材料杂交分离群体中，抗、感植株的分布表现为主基因控制的质量遗传分布特征。遗传分析表明，上述3个品种的黄萎病抗性受2个显性互补基因控制。
The F1, P2, F1, F2, BC1 and BC2 populations of 6 combinations and 6 combinations of P1, P2 and F2 populations from 7 cotton cultivars were used as materials. Inoculation strains were collected from 2 A moderate pathogenicity strain (VJ25 and VJ17) was used to study the inheritance of resistance to Verticillium wilt in upland cotton under artificial growth chamber conditions. The results showed that upland cotton varieties 93 resistant 12, Pengze 70 and Su 2028 had resistance to the moderate pathogenic bacteria. In resistant and susceptible hybrids, the distribution of anti-susceptible and susceptible plants showed the characteristics of genetic quality controlled by major genes. Genetic analysis showed that the three varieties of Verticillium wilt resistance controlled by two dominant complementary genes.