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76 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 ...