Search Results

12 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 44

    Resistance mechanism of Phytophthora nicotianae to dimethomorph

    MU Wenjun; HU Liwei; SONG Jizhen; GUO Jianhua; XI Jiaqin; XUE Chaoqun
    Key Laboratory of Eco-environment and Leaf Tobacco Quality, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Tobacco black shank is an important oomycete disease that can cause serious tobacco yield loss in China. As a new fungicide, dimethomorph, has been used more and more widely to replace metalaxyl to control tobacco black shank. As the emergence of ...
  2. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, APPOST 25

    Resistance-risk assessment of Phytophthora nicotianae to dimethomorph and fungicide combination development

    MU Wenjun; XUE Chaoqun; XI Jiaqin; HU Liwei; LIU Fang; SONG Jizhen
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Dimethomorph is a carboxylic acid amide (CAA) fungicide with high activity against the tobacco pathogen Phytophthora nicotianae. We investigated the risk that P. nicotianae can develop resistance to dimethomorph and screened the fungicide mixture ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 24

    Colonisation of Pseudomonas aeruginosa SXYC15 in tobacco via EGFP

    XI Jiaqin(1); FENG Xiaohu(2); SONG Jizhen(1); WANG Libing(2); ZHAO Tao(2); YIN Qisheng(1); GUO Jianhua(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) Fuzhou Branch of Jiangxi Tobacco Corporation, Fuzhou, P.R. China
    Pseudomonas aeruginosa SXYC15 was isolated from fresh leaves of tobacco, which had considerable antagonism to Pseudomonas syringae pv. angulata. The stability of the control effect mainly depends on whether antagonistic microbes could effectively colonise ...
  4. 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 ...
  5. 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 Phytophthora ...
  6. Tobacco Science & Technology, 2012, 1, p. 52-56., ISSN.1002-0861

    Relationship between physical-chemical indexes and full flavor style degree of flue-cured tobacco leaves

    XUE Chaoqun(1); WANG Jianwei(1); XI Jiaqin(1); YANG Lijun(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Zhumadian Tobacco Company of Henan Province, Zhumadian 463000, Henan, P.R. China
    Sixty C3F samples of flue-cured tobacco leaves were collected from Zhumadian to analyze the relationship between physical-chemical indexes and full flavor style degree of leaves with correlation analysis and stepwise regression analysis. The results ...
  7. Tobacco Science & Technology, 2012, 7, p. 86-90, ISSN.1002-0861

    Effects of application rate of agri soil conditioner on aroma quality of flue-cured tobacco leaves

    XUE Chaoqun(1); WANG Jianwei(1); XI Jiaqin(1); YANG Lijun(*2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Zhumadian Tobacco Company of Henan Province, Zhumadian 463000, Henan, P.R. China
    Field experiments were carried out to study the effects of different Agri soil conditioner application rates (0, 3.75, 7.50, 11.25, 15.00 kg/ha) on aroma components, sensory quality and economic characteristics of flue-cured tobacco leaves. The results ...
  8. Tobacco Science & Technology, 2011, 12, p. 9-13., ISSN.1002-0861

    Relationship between physical-chemical indexes and burnt sweet taste of flue-cured tobacco leaves

    XUE CHAO-QUN(1); WANG JIAN-WEI(1); XI JIA-QIN(1); YANG LI-JUN(2); JIANG JUN-TING(3)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Zhumadian Tobacco Company of Henan Province, Zhumadian 463000, Henan, P.R. China; 3. Zhumadian Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Zhumadian 463000, Henan, P.R. China
    Sixty flue-cured tobacco leaf samples were collected from Zhumadian, the relationships between physical-chemical indexes and level of burnt sweet taste were studied with correlation analysis and stepwise regression analysis. The results showed that: 1) ...
  9. Tobacco Science & Technology, 2009, 1, p. 60-3, ISSN.1002-0861

    Research on pest control with high temperature, vacuum conditioning and redrying

    XI JIA-QIN; YIN QI-SHENG; SONG JI-ZHEN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Focusing on the effectiveness and safety in pest control for stored tobacco, the treatments with high temperature and vacuum condition affected on the control effects to Lasioderma serricorne, the technological parameters setting in tobacco redrying and ...
  10. CORESTA Congress, Shanghai, 2008, AP 13

    Insect-proof plastic bag (inside lining) can prevent tobacco beetles from second invasion

    SONG Jizhen; ZHOU Hanping; XI Jiaqin; YIN Qisheng; YANG Jun; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The protective agent A, the mixture C and the mixture D were screened from five kinds of protective agent, and they have good touch-killing effect on tobacco beetles. Six kinds of insect-proof plastic bags were made that were marked A1, A2, C1, C2, D1, D2 ...