Search Results

11 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...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 09

    Inhibitory activity of maize root exudates against Phytophthora nicotianae and antifungal compounds analysis

    ZHANG Limeng(1); JI Sigui(1); JIAO Yongge(1); LI Jiangzhou(1); GU Xinghui; CUI Yonghe; ZHAO Jinlong; ZHU Shusheng(2); YANG Min(2)
    (1) Yunnan Tobacco Company, Yuxi Branch, Yuxi, P.R. China; (2) Key Laboratory for Agro-biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, P.R. China
    In this study, we observed the interaction between maize root and zoospores of Phytophthora nicotianae, the inhibitory activity of maize root exudates against P. nicotianae and the antifungal compounds in the maize root exudates were tested and...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 03

    Lowering TSNAs through nitrite reductase activity

    DAVENPORT S.E.; FORSYTH K.; TULLY L.; LISTER R.; LE LAY P.; MAUNDERS M.; SANCHEZ-TAMBURRINO J.P.
    Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.)
    Tobacco specific nitrosamines (TSNAs) are compounds in tobacco that have been shown to be carcinogenic. TSNAs are formed by the nitrosation of tobacco alkaloids with the main nitrosating agent believed to be nitrite. High levels of nitrate...
  4. 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...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 27

    Tobacco Biotechnology: a tool for business solutions

    SANCHEZ-TAMBURRINO J.P.; EDWARDS K.; JONES L.; DAVENPORT S.E.
    Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.)
    Over the past 20 years, genetic modification and molecular breeding has been successfully used in many different crops to provide agronomic advantages (i.e., herbicide resistance, insect tolerance). However there are many other areas where it can be...
  6. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, PPOST 10

    Molecular characterisation of different transgene events using cured tobacco leaf samples

    WAN Xiuqing; TUERCK J.; DAVENPORT S.; COLE J.; MAUNDERS M.
    Advanced Technologies Ltd., Cambridge, UK
    When a sample is found to be positive during routine GM tobacco (GMT) testing, a PCR analysis for other specific genes used in GM tobacco, such as TMV-CP, CMV-CP, Bt-cryIA(C), will usually be carried out. Often it is not possible to distinguish...