【摘 要】
:
为探明茄子抗青枯病的遗传机制,以高感青枯病品种北京六叶茄064,高抗青枯病半栽培种马来西亚S3及其F2代为材料,用RAPD技术对供试材料的抗青枯病基因进行了研究.结果表明:通过
【机 构】
:
湖南农业大学园艺园林学院,湖南省蔬菜研究所
论文部分内容阅读
为探明茄子抗青枯病的遗传机制,以高感青枯病品种北京六叶茄064,高抗青枯病半栽培种马来西亚S3及其F2代为材料,用RAPD技术对供试材料的抗青枯病基因进行了研究.结果表明:通过300个随机引物的PCR扩增分析,发现15.6%的引物在双亲间表现出多态性,找到了一个与茄子抗青枯病亲本S3中的抗病基因紧密连锁的分子标记S264780(该引物的碱基序列为CAGAGCGGA),该标记与S3的抗病基因的交换值为4.32%,遗传距离为4.33 cM.
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