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  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. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 123

    The regulation of microorganism on the formation of TSNAs in tobacco

    ZOU Congming; XIA Zhenyuan; LEI Liping; HUANG Wei; ZHAO Gaokun; JIN Yan; WU Qun
    Yunnan Academy of Tobacco Agricultural Sciences, Kunming, China
    TSNAs in tobacco are directly approved to be the carcinogens which is getting more and more attention than before. The regulation of TSNAs is becoming one of the most important topics of tobacco harm reduction. It has been shown that TSNAs formation...
  3. 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...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 41

    Effects of different growth temperatures on alkaloid content and nicotine metabolism in roots, stems and leaves of tobacco (Nicotiana tabacum L.) plants

    JIN Y.F.(1); WANG S.S.(1); LI J.Y.(2); PANG T.(2); ZHANG J.B.(1); GONG M.(1)
    (1) School of Life Sciences, Yunnan Normal University, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Alkaloids, especially nicotine content, significantly influences quality and flavour types of tobacco leaves, which is differentially regulated by various environmental conditions. To investigate the effects of different growth temperature on...
  5. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 20

    Comparison of transcriptomes and gene expression profiles of two chilling- and drought-tolerant and intolerant Nicotiana tabacum varieties under low temperature and drought stress

    HAO D.H.(1); MA W.G.(2); SHENG Y.L.(1); ZHANG J.B.(1); JIN Y.F.(1); YANG H.Q.(1); LI Z.G.(1); WANG S.S.(1); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Tobacco plants often encounter chilling and water scarcity conditions when grown in spring and early summer, leading to retarded growth and developmental abnormalities. The purpose of this study was to investigate comprehensive molecular mechanisms...
  6. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 24

    Effect of growth temperature on polyphenol content and metabolism in tobacco (Nicotiana tabacum L.) leaves

    DUAN S.Z.(1); LI J.Y.(2); WANG S.S.(1); HAO D.H.(1); JIN Y.F.(1); YANG L.Y.(1); WANG L.T.(1); MA J.H.(1); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Growth temperature for tobacco plants greatly influences growth and quality of tobacco leaves, and polyphenol content in tobacco leaves was often related to tobacco aroma flavour types. The purpose of this study was to evaluate the effect of...
  7. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 43

    Optimisation of canopy architecture of field-grown tobacco based on three-dimensional modeling

    XU Zhaoli(1); YANG Yuhong(1); HOU Tongyu(2); GUO Yan(2)
    (1) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, Yunnan, P.R. China; (2) China Agricultural University, College of Resources and Environment, Beijing, 100193, P.R. China
    Optimisation of canopy structure of field-grown tobacco is of importance for improving tobacco yield and quality. The architecture of individual K326 tobacco plants grown in an experimental field in Yuxi, Yunnan Province was measured by using 3D...
  8. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 07

    Long-term water deficit imposed by air drought or chilling stress modifies the regulation of proline metabolism in Nicotiana tabacum

    WANG S.S.(1); YANG H.Q.(1); ZHANG J.B.(1); HAO D.H.(1); MA W.G.(2); ZHENG Y.Y.(2); GONG M.(1)
    (1) Yunnan Normal University, School of Life Sciences, Kunming, P.R. China; (2) Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China
    Tobacco (Nicotiana tabacum), which originated in the tropical Americas, is thought to be rather sensitive to water deficit imposed by drought, salinity or low temperatures, especially during the rapid growth period. However, many past investigations...
  9. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 24

    The difference of cadmium tolerance in two varieties of Nicotiana tabacum L. and effect of exogenous abscisic acid on cadmium accumulation in Nicotiana tabacum L.

    DENG Xiaopeng(1); XU Zhaoli(1); HE Lian(2); XIA Yan(2); SHEN Zhenguo(2)
    (1) Yunnan Academy of Tobacco Agricultural Sciences, China Tobacco Breeding Research (Southern) Center, Kunming, P.R. China; (2) Nanjing Agricultural University, College of Life Sciences, Nanjing, P.R. China
    Hydroponic cultures were conducted to investigate the tolerance and accumulation of cadmium (Cd) between two varieties of N. tabacum L., ‘MS-Yunyan87’ and ‘MS-K326’. The effect of Cd and abscisic acid (ABA) on growth and Cd accumulation in tobacco...
  10. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 64

    Structure identification of flavonoids in tobacco based on liquid chromatography mass spectrometry method

    PANG Tao; LI Yong; SHI Junli; LI Junying; DENG Jianhua; LU Xiuping
    Yunnan Academy of Tobacco Agricultural Sciences, Yuxi, Yunnan, P.R. China
    A structure identification method of flavonoids in tobacco was developed based on liquid chromatography mass spectrometry (LCMS). The two-step precursor ion scan method was used to identify flavone aglycones and glycosidic conjugates. The...