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4 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 53

    Interactions between tobacco bushy top virus and its satellite RNA

    MO Xiaohan(1); ZHANG Lifang(1,2); ZHAO Xingneng(1,2); XU Ping(1,2); LI Yanqiong(1,2); XIA Zhenyuan(1); QIN Xiyun(1); CHEN Hairu(2)
    (1) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China; (2) College of Plant Protection, Yunnan Agricultural University, Kunming, P.R. China
    Tobacco bushy top disease (TBTD) has caused significant yield and economic losses in Yunnan Province, China. The disease is caused by an unique virus complex consisting of tobacco bushy top virus (TBTV), TBTV satellite RNA, tobacco vein distorting virus, ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 03

    The interactions between tobacco vein distorting virus and tobacco bushy top disease-associated RNA

    MO Xiaohan; XU Ping; ZHAO Xingneng; ZHANG Lifang; QIN Xiyun; XIA Zhenyuan
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Kunming, Yunnan, P.R. China
    Tobacco bushy top disease is the only plant viral disease caused by the umbravirus/luteovirus complex so far in China, resulting in significant economic losses in tobacco production in the Yunnan Province of China. Tobacco bushy top disease complex is the ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 09

    Using direct PCR method of hyphae for ISSR Marker and ITS sequence study of Phytophthora nicotianae

    LEI Liping(1); QIN Xiyun(1); WAN Anyun(1); CHAI Jiarong(1); XIA Zhenyuan(1); CHEN Hairu(2); YANG Genhua(2)
    (1) Yunnan Academy of Tobacco Sciences, Yuxi, Yunnan Province 653100, P.R China; (2) Phytopathology Laboratory of Yunnan Province, Yunnan Agricultural University, Kunming 650201, P.R. China
    To investigate the diversity of Phytophthora nicotianae in the Yunnan Province of China, the direct PCR method was used to compare the differences in inter-translation space (ITS) of ribosomal DNA of Phytophthora nicotianae between the isolates from ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, PPOST 05

    Identification and phylogenetic analysis of 3'-part genomic sequence of an isolate of chilli vein mottle virus (ChiVMV) infecting Nicotiana tabacum

    QIN Xiyun(1); YANG Cheng(2); ZHANG Lei(3); JIANG Zili(2); FANG Qi(3); DING Ming(3); ZHANG Zhongkai
    (1) Yunnan Academy of Tobacco Sciences, Yuxi, Yunnan Province 653100, P.R China; (2) Dali Tobacco Company of Yunnan Province, Dali 671000, P.R China; (3) Biotechnology and Genetic Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650223, P.R. China
    The genus Potyvirus is the largest plant virus genus. An isolate of potyvirus, designated YN75, was obtained from tobacco (Nicotiana tabacum) in Dali, Yunnan Province. The virions of YN75 in the crude sap of infected plants were flexuous, 730-770 nm in ...