Search Results

7 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. Tobacco Science & Technology, 2012, 9, p. 82-86, ISSN.1002-0861

    Differences of density and exudates of glandular trichome among flue-cured tobacco varieties from Zimbabwe and Yunnan

    FU Yulan(1); YANG Huanwen(1); DENG Jianhua(2); DING Can(*1)
    (1) Tobacco Science College of Yunnan Agricultural University, Kunming 650201, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Yuxi 653100, Yunnan, P.R. China
    In order to investigate the characteristics of tobacco introduced from Zimbabwe and screen the cultivar best suitable for Yuxi in Yunnan, the density and exudates of glandular trichome in matured upper, middle and lower leaves of 4 introduced...
  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. Tobacco Science & Technology, 2010, 8, p. 61-64., ISSN.1002-0861

    Improvement of flue-cured tobacco quality with Bacillus pumilus

    1. Laboratory for Conservation and Utilization of Bio-resources, Yunnan University, Kunming 650091, P.R. China; 2. Technology Centre, Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China
    A strain of Bacillus pumilus, Van35, was isolated and screened from the surface of flue-cured tobacco leaves, the microbial agent prepared from it was sprayed on cut tobacco. The treated cut tobacco was fermented at 45 °C and relative humidity...
  6. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 91, A3

    Study on the relationship between flue-cured tobacco leaf structure, matter accumulation and climatic factors in Yunnan

    YANG Huawen; CHEN Huidou; WEN Yongqin; LU Fu; CHEN Zongyu; BU Yuhong; TIAN Zongli
    Yunnan Agricultural University, Kunming, China
    A comparative research on the relationship between the level of matter accumulation and climatic factors was conducted among the same variety, growth period, leaf position on the stalk and tissues on the leaves in four tobacco growing areas of Yunnan...