近年来,棉花黄萎病在新疆蔓延,已成为制约当地棉花生产的重要因素之一。运用高通量SNP芯片对344份具有代表性的棉花种质资源进行基因型分析,考察群体在4个环境(2年2个试验点)中的黄萎病发病率表型,并利用混合线性模型(mixed linear mode...近年来,棉花黄萎病在新疆蔓延,已成为制约当地棉花生产的重要因素之一。运用高通量SNP芯片对344份具有代表性的棉花种质资源进行基因型分析,考察群体在4个环境(2年2个试验点)中的黄萎病发病率表型,并利用混合线性模型(mixed linear model,MLM)进行全基因组关联分析。结果表明,棉花黄萎病发病率与产量、纤维品质存在负相关性。该群体在4个环境中黄萎病发病率的广义遗传力为40.10%。群体结构分析表明,该群体可分为2个亚群。MLM模型检测到18个显著位点,分布在A03、A05、A10、A12、D02、D11和D13。研究结果有助于解析棉花黄萎病抗性的遗传基础,为研究棉花黄萎病的致病机制以及指导黄萎病抗性的遗传改良提供理论参考。展开更多
The responses of Batocera horsfieldi adults to plant volatiles were tested with Y-tube olfactometer. The results showed that the volatiles from the rose had a higher attractive ability to both of unmated and mated mal...The responses of Batocera horsfieldi adults to plant volatiles were tested with Y-tube olfactometer. The results showed that the volatiles from the rose had a higher attractive ability to both of unmated and mated male and female adults of Batocera horsfieldi compared with ambient air, and had a higher attractive ability to the unmated and mated female adults compared with poplar(P<0.05), while the volatiles had insignificant effect on the unmated and mated males(P>0.05). There were insignificant differences in the responses of unmated and mated males and mated females to the volatiles between the rose and poplar,and in the responses of the unmated %Batocera horsfieldi% to the volatiles between the poplar and osier(P>0.05).展开更多
文摘近年来,棉花黄萎病在新疆蔓延,已成为制约当地棉花生产的重要因素之一。运用高通量SNP芯片对344份具有代表性的棉花种质资源进行基因型分析,考察群体在4个环境(2年2个试验点)中的黄萎病发病率表型,并利用混合线性模型(mixed linear model,MLM)进行全基因组关联分析。结果表明,棉花黄萎病发病率与产量、纤维品质存在负相关性。该群体在4个环境中黄萎病发病率的广义遗传力为40.10%。群体结构分析表明,该群体可分为2个亚群。MLM模型检测到18个显著位点,分布在A03、A05、A10、A12、D02、D11和D13。研究结果有助于解析棉花黄萎病抗性的遗传基础,为研究棉花黄萎病的致病机制以及指导黄萎病抗性的遗传改良提供理论参考。
文摘The responses of Batocera horsfieldi adults to plant volatiles were tested with Y-tube olfactometer. The results showed that the volatiles from the rose had a higher attractive ability to both of unmated and mated male and female adults of Batocera horsfieldi compared with ambient air, and had a higher attractive ability to the unmated and mated female adults compared with poplar(P<0.05), while the volatiles had insignificant effect on the unmated and mated males(P>0.05). There were insignificant differences in the responses of unmated and mated males and mated females to the volatiles between the rose and poplar,and in the responses of the unmated %Batocera horsfieldi% to the volatiles between the poplar and osier(P>0.05).
