Search Results

18 results

  1. 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. gifuensis, ...
  2. Tobacco Science & Technology, 2009, 11, p. 21-5, ISSN.1002-0861

    Application of predictive and quasi-predictive PI control algorithms in strips redryer

    REN ZHENG-YUN; HAN BAI-HENG; WANG XIAO-FEI
    Donghua University, Dept. of Automation, Shanghai, China
    It is hard to keep the temperature of the drying section, the moisture contents in tobacco in cooling section and ordering section stable by traditional PID control algorithm due to the drying in the strips redryer is a process of large thermal inertia ...
  3. 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 were ...
  4. 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 antagonistic ...
  5. 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 ...
  6. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, P 04

    Isolation, purification and properties of a lectin from alternaria Alternata mycelia cell walls

    ZHANG Chengsheng; LI Duochuan; KONG Fanyu
    Shandong Agricultural University, College of Plant Protection, Taian, Shandong, - Tobacco Research Institute of CAAS Qingzhou, Shandong, China.
    Recognition is a central event in a variety of biological phenomena and the first step in numerous processes based on cell-cell interactions. As the most external part of the cell, cell wall mediates the initial physical and chemical interaction between ...
  7. CORESTA Meeting, Agronomy/Phytopathology, Suzhou, 1999, AP24

    Genotypic and pathogenic variation among black shank of tobacco isolates of Phytophthora parasitica var. nicotianae from main tobacco regions of Yunnan Province and some tobacco regions of Shandong in China

    ZHANG Xiu Guo; LUO Wen Fu; LI Yun; ZHANG Tian Yu
    Agricultural University of Shandong, Dept. of Plant Pathology, Taian, China
    Pathogenic and genotypic variability among seven populations of Phytophthora parasitica var. nicotianae from individual tobacco fields in Qujing, Kunming, Honghe, Chuxiong, Yuxi, Dali of Yunnan province and Shandong were investigated using pathogenicity ...
  8. Bull. Spec. CORESTA Congress, Harare 1994, p. 129, PPOST 1

    Resistance to four diseases in tobacco somaclones NC89-TT and NC89-V1 regenerated from toxin-stressed tissue culture of cv. NC89, and unstressed tissue culture of its resistant derivative

    LIU A.; ZHANG C.; DONG H.
    Shandong Agricultural University, Dept. of Plant Protection, Taian, Shandong, China
    Tobacco somaclone NC89-TT was obtained from the flue-cured cv. NC89 from tissue culture challenged by AT-toxin of brown spot pathogen Alternaria alternata, and somaclone NC89-V1 was obtained from tissue cultures of plants previously inoculated with ...
  9. Bull. Spec. CORESTA Congress, Harare 1994, p. 130, PPOST 2

    Cell wall components of non-pathogenic bacteria and hypovirulent Alternaria alternata responsible for induction of tobacco resistance to brown spot

    LIU A.; ZHANG C.; DONG H.
    Shandong Agricultural University, Dept. of Plant Protection, Taian, Shandong, China
    Different components of cell walls of non-pathogenic Pseudomonas fluorescens P1 and hypovirulent TBA16 of Alternaria alternata were tested for inducing resistance to brown spot. Behaviors of virulent strain TBA28 of the pathogen on tobacco leaf surfaces ...
  10. Bull. Spec. CORESTA Congress, Harare 1994, p. 131, PPOST 3

    Resistance of tobacco to fungal, bacterial, and virus diseases induced by five factors

    DONG H.; LIU A.; ZHANG C.
    Shandong Agricultural University, Dept. of Plant Protection, Taian, Shandong, China
    Induced resistance of tobacco to brown spot, black lowering (Colletotrichum sp.), black shank, wildfire, and TMV was tested in a greenhouse and in field plots where the inducers were the hypovirulent strain TBA16 of Alternaria alternata, non-pathogenic ...