1. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 01

    Rapid diagnosis of tobacco mosaic virus using the loop-mediated isothermal amplification method (LAMP)

    LIU Yanhua; WANG Zhide; QIAN Yumei; MU Jianmin; SHEN Lili; ZHANG Xingwei
    Qingzhou Tobacco Research Institute of CNTC, Qingzhou, Shandong, China
    Tobacco mosaic virus (TMV) is a severe worldwide disease and capable of greatly reducing tobacco quality and yield. In this study, we developed the loop-mediated isothermal amplification (LAMP) method for the specific detection of this virus. Mg2+...
  2. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 03

    Development of PVY resistant flue-cured F1 hybrid variety KF120

    KIM Kwang-Chul; KIM Jae-Hyun; CHUNG Youl-Young; SHIN Seung-Gu; KUEM Wan-Soo
    KT&G Research Institute, Daejeon, South Korea
    Potato Virus Y (PVY), PVY-vein necrosis strain, causes severe damage at growth, yield and leaf quality on flue-cured tobacco in Korea. The development of PVY resistant flue-cured varieties without quality deterioration is therefore urgently desired....
  3. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 04

    Reporting a source of PVYNTN resistance in Nicotiana tabacum

    PULCINELLI C.E.; TULMANN NETO A.; SOUZA-DIAS J.A.C.; DELFRATE A.; BRUZI A.T
    Souza Cruz SA, Tobacco Breeding Centre, Rio Negro, Paraná, Brazil
    One of the main tobacco diseases, Vein Banding or Potato Virus Y (PVY) has been reported causing injuries to the tobacco growing areas around world, in some cases with losses greater than 30% in yield, and serious damages to the tobacco quality....
  4. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 05

    Breeding Burley tobacco lines with resistance to root decay caused by Pythium spp

    ENDER M.; DA ROCHA A.B.; DE SOUZA M.V.; WILLANI, S.A.
    Universal Leaf Tabacos Ltda, Santa Cruz do Sul, RS-Brazil.
    Diseases of tobacco caused by Pythium spp. can start as damping-off of seedlings, evolve as root and stem rot of young plants, and finally cause root decay of field plants. Root and stem rot of tobacco reduces stands more than 20% in some fields, and...
  5. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 06

    Identification of DNA markers associated with genomic regions affecting black shank resistance in tobacco

    VONTIMITTA V.; LEWIS R.S.
    North Carolina State University, Dept. of Crop Science, Raleigh, NC, USA
    The black shank disease caused by the fungal pathogen Phytophthora nicotianae is the primary disease affecting tobacco production in the United States. Wide-scale planting of tobacco cultivars possessing the Ph gene that confers immunity to race 0...
  6. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 07

    Evaluation of variety resistance and fungicides for control of black shank (Phytophthora nicotianae) in dark tobacco

    BAILEY W.A.
    University of Kentucky, Research & Education Center, Princeton, KY, USA
    Black shank is the most devastating disease affecting dark tobacco crops in Kentucky and Tennessee, causing an estimated $US 1.25 million in losses annually. Black shank resistance levels in newer dark tobacco varieties are improving, but are still...
  7. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 08

    A best management system reduces bacterial wilt of flue-cured tobacco

    FORTNUM B.A.; PETERSON P.D.; GOODEN D.
    Clemson University, Dept. of Entomology Soils and Plant Sciences, Pee Dee REC, Florence, SC, USA
    Bacterial wilt caused by Ralstonia solanacearum is an extremely damaging disease of flue-cured tobacco in the southeastern USA. During a bacterial wilt epidemic in 2004, this disease accounted for over $4,000,000 in crop losses and 72% of all disease...
  8. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 09

    Dimethachlon resistance occurrence of Alternaria alternata and its molecular mechanism

    ZHU Mingliang; LUO Yiyong; LI Meiyun; YANG Jinkui; ZHANG Keqin
    Yunnan Tobacco Science Research Institute, Yuxi, Yunnan, China.
    As one of the most common and destructive diseases of tobacco, brown spot disease, caused by Alternaria alternata (Fries) Keissler, results in significant loss every year in Yunnan, China. Protection of tobacco crops against the pathogen in many...
  9. 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...