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STUDY ON CP/HinfⅠ RFLP GROUPS OF CITRUS TRISTEZA VIRUS IN CHONGQING
Author(s): ZHOU Yan~(1, 2), WANG Xuefeng~1, TANG Kezhi~1, ZHOU Changyong~(1, 2*) (1.citrusresearchinstitute, CHINESE Academyofagriculturalsciences, CHONGQONG 400712, china, 2. Collegeofplantprotection, SOUTHWEST Agriculturaluniversity, CHONGQING 400716, china)
Pages: 420-
422,451
Year: 2004
Issue:
4
Journal: Journal of Southwest Agricultural University
Keyword: 柑桔衰退病毒; 限制性片段长度多态性分析; 单链构象多态性分析; 交叉保护;
Abstract: 柑桔衰退病毒(CTV)存在着许多生物学特性不同的株系。通过铲除感染强毒株植株或利用弱毒株交叉保护的方式来防治柑桔衰退病都需要对CTV株系进行准确、可靠的鉴定。根据对CTV衣壳蛋白基因(CPGs)的限制性片段长度多态性(RFLP)和单链构象多态性(SSCP)分析,发现在重庆地区CTV主要以CP/HinfⅠRFLP第1,3和6组群为主,并且在田间以多株系混合感染为主。
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