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17 results

  1. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 84

    Identification of volatiles with nematicidal activities from sphingobacteriumnematocida zy-71-1 and control efficiency to Meloidogyne incognita.

    XI Jiaqin(1); QIN Xijia(1); LIN Dengbin(2); SHENG Yinqi(1); ZHEN Songji(1); HE Moming(3); QUN Xuechao(1); SHAN Wangguang(1); HUA Guojian(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R.China; (2) Guangxi Tobacco Industrial Co. Ltd, Nanning, P.R. China; (3) Yunnan University, Kunming, P.R. China
    Chemical pesticide is an effective way in controlling tobacco disease, but it caused some problems such as environmental pollution, ecological balance destruction and chemical residues. So biological control of tobacco disease attracts more and more...
  2. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 12

    Biocontrol efficiencies and identification of nematicidal metabolite from strain BJLSH9 towards nematode and Phytophthora nicotianae

    DUAN Yan-qing(1); LI Ping(2); ZHE Wei(1); XI Jia-qin(3); XIA Jianjun(1); WANG Wenyuan(1); JIANG Junxiang(1); MO Ming-he(2)
    (1) Technology Center of Hongyun Honghe Tobacco (Group) Co., Ltd, Wuhua District, Kunming, P.R. China; (2) Key Laboratory for Conservation and Utilisation of Bio-Resources, Yunnan University, Kunming, P.R. China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    BJLSH9, an actinomycete exhibiting both nematicidal and antifungal activities, was isolated from rhizospheric soil of willow in Beijing. Bioassay results in vivo showed that BJLSH9 displayed a 50.05% efficiency to suppress radial growth of...
  3. Tobacco Science & Technology, 2012, 4, p. 56-59, 66, ISSN.1002-0861

    Analysis of residues of famoxadone and fenamidone in tobacco

    ZHU Baokun(1); LIAO Yuqi(2); JIANG Juxing(1); WANG Sujuan(1); LIU Ya(1); XIA Jianjun(*1)
    (1) Hongyun-Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (2) School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
    A method for fast testing the famoxadone and fenamidone residues in tobacco leaves with ultra-high performance liquid chromatography was developed by using acetonitrile as an extraction solvent. Twenty-two flue-cured tobacco samples were tested. The...
  4. Tobacco Science & Technology, 2012, 5, p. 74-78, ISSN.1002-0861

    Isolation, identification and characteristics of nicotine-degrading bacterium strain 5-28

    CHEN Chen(1,2); MA Guanghui(2); LEI Liping(3); ZHOU Wei(2); SHEN Xingjia(1); YANG Jinkui(*2)
    (1) Biological and Chemical Engineering College, Jiangsu University of Science and Technology, Zhenjiang 212018, Jiangsu, P.R. China; (2) Laboratory for Conservation and Utilization of Bio-resources, Yunnan University, Kunming 650091, P.R. China; (3) Yunnan Academy of Tobacco Agricultural Sciences, Yuxi 653100, Yunnan, P.R. China
    In order to solve the problem of higher nicotine content in flue-cured tobacco leaves produced in some areas, bacterium strain 5-28, which had the potential of degrading nicotine was isolated from tobacco growing soil in Mile, Yunnan using nicotine...
  5. Tobacco Science & Technology, 2012, 8, p. 40-43, 48, ISSN.1002-0861

    Pyrolysis of concrete of Tussilago farfara L. under simulated cigarette combustion condition

    YANG Yekun(1,2); GENG Yongqin(1); MIAO Enming(1); XU Jicang(1); LI Xuemei(*1); DING Zhongtao(2)
    (1) Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China; (2) School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
    Under simulated cigarette combustion condition, the pyrolytic behavior and the pyrolytic products of concrete of Tussilago farfara L. were studied by online pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). The results showed that: 45 kinds...
  6. Tobacco Science & Technology, 2012, 9, p. 5-9, ISSN.1002-0861

    Applicability of flavor style sensory evaluation method for chinese-style cigarette in different areas

    WU Yi(1); ZENG Xiaoying(1); ZHU Baokun(1); ZHAO Jianhua(2); WANG Mingfeng(*1)
    (1) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (2) School of Statistics and Mathematics, Yunnan University of Finance and Economics, Kunming 650221, P.R. China
    To validate the applicability of flavor style sensory evaluation method for Chinese-style cigarette in different areas, 10 cigarette samples were panel tested in 5 representative cities, Guangzhou, Xi’an, Harbin, Shanghai and Kunming. The fluctuation...
  7. Tobacco Science & Technology, 2012, 9, p. 51-57, ISSN.1002-0861

    Analysis of volatile components in Absolute Oil of Spartium junceum L. with comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry

    LI Zhiyu(1); MAO Deshou(*1); XU Shijuan(2); LIU Qiang(1); DING Zhongtao(2)
    (1) Technology Center, Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (2) School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
    The volatile components in absolute oil of Spartium junceum L. were identified by GC×GC/TOFMS and fingerprint spectrum was established by means of MS library search, retention index comparison, standard and document verification. The results showed...
  8. Tobacco Science & Technology, 2011, 8, p. 55-61., ISSN.1002-0861

    Study on nonaqueous phase Maillard reaction of glucose / L-lysine model system

    YANG JI(1,2); YANG LIU(1); GAO TAO(1); WU YI-QIN(1); CAO QIU-E(2)
    1. Technology Center of Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; 2. College of Chemical Science and Engineering, Yunnan University, Kunming 650091, P.R. China
    The thermogravimetric characteristics of glucose, L-lysine and their mixture were determined by thermogravimetry. The pyrolytic products of glucose and L-lysine mixture at 5 temperature ranges were analyzed by the combination of thermogravimetry,...
  9. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 107, APOST6 (adjourned)

    Estimation of the state of nitrogen nourishment of tobacco using the N-tester

    KOWALCZYK-JUSKO A.; KOSCIK B.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The purpose of this work, based on a three years of field experiment, was to inspect whether it is possible to use a chlorophyll meter in fixing the nitrogen doses used in growing flue-cured tobacco. The relationship between the capacity of nitrogen...