Search Results

53 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 14

    Efficacy and toxicity of several insecticides on Myzus persicae (Hemiptera: Aphididae) and its biological control agent Harmonia axyridis (Coleoptera: Coccinellidae)

    PAN Yue; MAO Chuntang; DENG Guobin; ZHANG Xiaolong; ZI Wenhua; YAN Jun; QIAN Zhengqiang
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China
    Myzus persicae (Sulzer) (Hemiptera: Aphididae) has become an important and worldwide pest of tobacco causing considerable loss to tobacco quality and yield through direct and indirect harm. The efficacy of several insecticides on M. persicae, including ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 15

    Field control efficacy of bio-organic fertiliser fermented with antagonists to tobacco bacterial wilt and its biocontrol mechanisms

    LIU Yanxia; LI Xiang; CAI Liuti; CAO Yi; SHI Junxiong
    Guizhou Tobacco Institute, Jinyang District, Guiyang, P.R. China
    An organic fertiliser made of rapeseed meal and dairy manure with proportion of 1:1 (w:w) was then solid fermented by two antagonists, making it bio-organic fertilizer (BOF). Field experiments were conducted in Anhui Province for two years to investigate ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 16

    Quantification of spatial light distribution of a field-grown tobacco canopy based on three-dimensional modelling

    DENG Xiaopeng; XU Zhaoli; YANG Yuhong; LAO Cailian; GUO Yan
    Yunnan Academy of Tobacco Agricultural Sciences, Kunming, Yunnan, P.R. China
    Quantification of the interaction of a plant with its light-environment is pivotal in agricultural research. Three-dimensional (3-D) digitising and laser-scanning of field-grown tobacco plants were conducted and a realistic 3-D architectural model of a ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 17

    Alleviative effects of exogenous calcium salts on the decline of photosynthetic capacity in flue-cured tobacco under different light environments

    YUN Fei; LIU Guoshun; YANG Yongfeng; SHI Hongzhi; WANG Hui
    National Tobacco Cultivation, Physiology and Biochemistry Research Center, College of Tobacco Sciences, Henan Agricultural University, Zhengzhou, P.R. China
    Experiments were carried out to investigate the regulating effects of exogenous calcium salts on the photosynthetic capability of flue-cured tobacco under different conditions of light intensity. The experiments were also carried out to elucidate the ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 18

    Regional characteristics for flue-cured tobacco at the Tropic of Cancer, Yunnan Province

    WANG Lan; DENG Guobin; ZUO Jingjian; CHEN Lin; CHEN Yuewu; LI Biao; LONG Minghai; JIA Dongdong; LIN Nan; MU Qing; WANG Wei
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China
    Tobacco planting is especially responsive to weather fluctuations mainly due to the impact of the environment on quality and quantity. The availability of environment realisations with an adequate accuracy is an essential component of tobacco production. ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 19

    Comparative shotgun proteomic profiles in response to topping in Nicotiana tabacum leaves

    YANG Huijuan; SU Fei; WANG Jing; SHI Hongzhi
    College of Tobacco Science, Henan Agricultural University, Key Laboratory for Cultivation of Tobacco Industry, Zhengzhou, P.R. China
    To explore how the differentially expressed proteins during leaf development respond to topping, shotgun proteomic investigations were carried out and a total of 198 and 193 proteins were identified from tobacco, respectively. Among them 64 and 59 ...
  7. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 20

    Molecular analysis of the complete genomic sequence of tobacco etch virus isolated from China

    CHENG Julong(1); DAI Jin(2); WU Yunfeng(2)
    (1) Tobacco Institute of Shaanxi Province, Xi’an, P.R. China; (2) College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, P.R. China
    The tobacco etch virus (TEV) is a species of the largest plant virus genus Potyvirus. TEV-Shaanxi induced systemic symptoms including mosaic and necrotic lines or etching in N. tabacum. The efficiency of TEV-Shaanxi transmission by M. persicae was higher ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 21

    Differential pathogenicity and genetic polymorphism analysis of tobacco powdery mildew (Erysiphe cichoracearum) in China

    MENG Kun; SHI Jiao; SUN Liping; LUO Zhenning; ZHAN Huixu; ZHANG Junquan
    Tobacco Research Institute of CAAS, Laoshan, Qingdao, Shandong, P.R. China
    This study was carried out in order to identify the physiological races of Erysiphe cichoracearum DC, and the genetic diversity of the E. cichoracearum DC in China. Firstly, 12 selected varieties of tobacco were inoculated with a single isolate of E. ...
  9. 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 ...
  10. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 28

    Changes in TSNA contents during tobacco storage and the effect of temperature and nitrate level on TSNA formation

    SHI Hongzhi(1); WANG Ruiyun(1); BUSH L.P.(2); ZHOU Jun(3); FANNIN F.F.(2); BAI Ruoshi(3); YANG Huijuan(1)
    (1) Henan Agricultural University, National Tobacco Cultivation & Physiology & Biochemistry Research Center, Zhengzhou, P.R. China; (2) University of Kentucky, Lexington, KY, U.S.A.; (3) Beijing Cigarette Factory of Shanghai Tobacco Group, Beijing, P.R. China
    Samples of Burley, sun-cured and flue-cured tobacco from the main producing areas of relevant tobacco types in China were collected to study the changes in tobacco-specific nitrosamine (TSNA) contents during storage and to investigate the effect of ...