AFLP analysis and zebra disease resistance identification of 40 sisal genotypes in China
文献类型: 外文期刊
第一作者: Gao, Jianming
作者: Gao, Jianming;Liu, Qiaolian;Chen, Helong;Zhang, Shiqing;Jiang, Chenji;Dai, Zhenzhen;Yi, Kexian;Luoping;Guo, Chaoming;Zheng, Jinlong;Yi, Kexian;Li, Jinzhi
作者机构:
关键词: Sisal;Zebra disease;H.11648;AFLP
期刊名称:MOLECULAR BIOLOGY REPORTS ( 影响因子:2.316; 五年影响因子:2.357 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Sisal is the most important fiber crop in tropical and subtropical areas in China and the world. Zebra disease is a serious threat to the main cultivar Agave hybrid No.11648 (H.11648) worldwide. To select germplasm materials with zebra disease resistance for breeding, the fluorescent amplified fragment length polymorphism (AFLP) technique was used to make a cluster analysis of the genetic relationships of 40 sisal genotypes grown in China, and Phytophthora nicotianae was used to inoculate the 40 genotypes to identify their resistance to zebra disease. As a result, the similarity coefficient among 40 sisal genotypes was found to be 0.44-0.83 and the 40 genotypes show different levels of disease resistance. According to the AFLP analysis, the disease resistance and chromosomal ploidy, it can be reasoned that, A. attenuata var. marginata, Dong 109, Nan ya 1 and A. attenuata are suitable for hybridization with H.11648 to breed a new disease-resistant variety.
分类号: Q7
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