Search Results

25 results

  1. 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...
  2. 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...
  3. 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...
  4. Tobacco Science & Technology, 2011, 11, p. 76-78., ISSN.1002-0861

    Orientation of Aphidius gifuensis ashemed to tobacco and prey combination affected by insecticides

    SONG XU-MING(1); ZHANG YUE(2); QU AI-JUN(2)
    1. Anqiu Branch of Shandong Weifang Tobacco Co. Ltd., Aniqiu 262100, Shandong, P.R. China; 2. Plant Protection College, Shandong Agricultural University, Taian 271000, Shandong, P.R. China
    The orientation of Aphidius gifuensis Ashemed to tobacco and prey combinations affected by insecticides was investigated with Y-tube olfactometer. The results showed that normal tobacco leaves did not produce plant volatiles attractive to A....
  5. Tobacco Science & Technology, 2010, 11, p. 47-50., ISSN.1002-0861

    Comparison of tobacco-specific nitrosamines contents in flue-cured tobacco samples

    WANG BAO-XING(1,2); WANG XU(2); WANG YU(1); YANG WEI-ZU(1); ZOU YUE(1)
    1. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China; 2. School of Life Sciences, Yunnan Normal University, Kunming 650092, P.R. China
    In order to investigate the distribution of tobacco-specific nitrosamines (TSNAs) in flue-cured tobacco and reduce the harmfulness of cigarette, the contents of TSNAs in 63 flue-cured tobacco samples were determined by GC/TEA and their differences...
  6. CORESTA Congress, Shanghai, 2008, APPOST 26

    Studies on the resistance risk to metalaxyl and its control in Phytophthora nicotianae var. nicotianae

    WANG Kaiyun; XU Xueming; DUAN Haiming; LIN Caihua; ZHANG Wencheng
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    In this study, 11 metalaxyl-resistant strains were gained from sensitive strain in Phytophthora nicotianae var. nicotianae by the method of metalaxyl inducement. The hereditary stabilities and levels of the resistance for all the resistant strains...
  7. Tobacco Science & Technology, 2008, 2, p. 57-60, ISSN.1002-0861

    Screening of Bacillus B102 and its antagonism against tobacco brown-spot disease

    LI AN-NA; JIN YING; LU PENG
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    157 bacteria strains were isolated from tobacco field soil between roots and around root system in Shandong Province. 7 strains of antagonistic bacterium against Alternaria alternata were screened. Among them, strain B102 had the strongest...
  8. CORESTA Meeting, Agronomy/Phytopathology, Krakow, 2007, AP 04

    GMO and non-GMO approaches to down-regulating nicotine demethylase to develop tobacco with very low nicotine conversion rates

    XU DONGMEI; SHEN YANXIN; NIELSEN M.T.
    GenApps Inc., Winchester, KY, USA
    Blocking or down-regulating the conversion of nicotine to nornicotine is a major strategy for preventing the formation of N'-nitrosonornicotine (NNN), a tobacco specific nitrosamine formed by microbial action during tobacco curing and processing....
  9. Tobacco Science & Technology, 2005, 1, p. 44-6, ISSN.1002-0861

    Influence of Colletotrichum capsici f. nicotianae toxin on cell membrane permeability of tobacco

    FANG BAO-HAI; ZHANG GUANG-MIN; CHI CHANG-FENG
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, China
    The influence of Colletotrichum capsici f. nicotianae toxin on cell membrane permeability and chlorophyll content of tobacco was experimented in 2002. The results showed that the cell membrane permeability of tobacco could be increased by toxin...