Search Results

4 results

  1. 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....
  2. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 10

    Studies on a rust disease of common cephalanoplos herb Cephalanoplos segetum (Bunge) Kitam in tobacco field

    SHI Jiao; WANG Fenglong; CHEN Dexin; ZHENG Xiao; SUN Huiqing; WANG Xiufang; XU Yimin
    Ministry of Agriculture, Key Laboratory for Tobacco Quality Control, China.
    During the process of finding a bioherbicide agent, we found that a rust infected and killed plants of common cephalanoplos herb Cephalanoplos segetum (Bunge) Kitam in Qingdao, Shandong Province, P.R. China. The infected plants are necrotic or...
  3. CORESTA Congress, Kyoto, 2004, P 05

    Studies on micropore film to control tobacco aphid-borne virus diseases

    WANG Fenglong; CHEN Dexin; QIAN Yumei; ZHANG Liantao; SHI Jiao; WEI Yingying
    Chinese Academy of Agricultural Sciences, Tobacco Research Inst., Shandong, Qingzhou, China.
    Tobacco virus diseases have been among the main factors hindering tobacco production in China. The effective control method for the dominant tobacco aphid-borne viruses including PVY and CMV is to prevent alate aphids migrating into tobacco fields....
  4. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 126, P6

    Study on the predictive models of tobacco virus disease transmitted by aphids

    WANG Fenglong; QIAN Yumei; SHI Jiao; WANG Jinbo; CHEN Dexin; ZHAO Liming; MU Jianmin
    Qingzhou Tobacco Research Institute of CNTC, Qingzhou, Shandong, China
    In China, CMV, PVY and TEV transmitted by aphids have seriously impaired tobacco production in most tobacco-growing areas. In this paper, several predictive models, concerning aphid-transmitted tobacco virus disease, were formulated. Based on the...