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32 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 04

    Selection and identification of a tobacco endophytic bacteria strain L1 with inhibitory effect against TMV

    ZHAN Huaixu; WANG Fenglong; SHEN Lili; YANG Jinguang; QIAN Yumei; CHEN Dexin
    Qingzhou Tobacco Research Institute of CNTC, Qingdao, Shandong, P.R. China
    The objective of this study is to screen a biocontrol bacterial strain with significant inhibitory effect against TMV (Tobacco mosaic virus). The strains were isolated from leaves of tobacco var. Luyan 1 resistant to TMV. The anti-TMV strain was...
  2. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 22

    Mapping of two white stem genes in tetraploid common tobacco (Nicotiana tabacum L.)

    WU Qingzhang; WU Xinru; ZHANG Xuefeng; JIANG Caihong; WANG Yuanying; LIU Guanshan
    Chinese Academy of Agricultural Sciences, Tobacco Research Institute, Qingdao, P.R. China
    Leaf colour is an indicator of chlorophyll (Chl) level and isolating leaf colour mutants can facilitate the understanding of Chl metabolism regulation. Here we describe an ethyl methanesulfonate-induced light colour mutant white stem 1 (ws1) in...
  3. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 35

    Screening, identification and characterisation of an Arthrobacter sp. strain MC-10 capable of degrading quinclorac

    CHEN Dexin(1); ZHANG Shun(1,2); HUANG Guolian(3); XU Jialai(4); LI Bin(5); LI Hongguang(3)
    (1) Qingzhou Tobacco Research Institute of CNTC, Qingdao, P.R. China; (2) Chinese Academy of Agricultural Sciences, Graduate School, Beijing, P.R. China; (3) Hunan Chenzhou Tobacco Company, Chenzhou, P.R. China; (4) Shandong Tobacco Research Institute, Ji’nan, P.R. China; (5) Sichuan Tobacco Company, Chengdu, P.R. China
    The objective of this study was to screen strains able to degrade quinclorac efficiently. The strains were isolated from the perennial administration quinclorac paddy fields. The strain MC-10, which can degrade quinclorac efficiently, was screened by...
  4. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, AP 51

    Degradation and residue levels of triadimefon and its toxic metabolite in tobacco leaf

    LI Yiqiang(1); YANG Liqiang(1,2); LIU Wanfeng(3); XU Guangjun(1); SUN Jianhong(2); CAO Shoutao(2); GAO Yun(2); XU Jinli(1); ZHENG Xiao(1)
    (1) Qingzhou Tobacco Research Institute of China National Tobacco Corporation, Qingdao, Shandong, P.R. China; (2) China Tobacco Shandong Industrial Co., Ltd, Jinan, Shandong, P.R. China; (3) China Tobacco Hunan Industrial Co., Ltd, Changsha, Hunan, P.R. China
    In order to further study about different factors of pesticide residues and dissipation characteristics of triadimefon and its metabolite, and provide scientific data for MRLs and proper use of pesticide on tobacco, the dissipation and residue of...
  5. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 29

    Dissection of genetic overlaps between brown spot and black shank disease resistances in tobacco (Nicotiana tabacum L.) line Beinhart 1000

    JIANG Caihong; WANG Yuanying; GAO Tingting; YANG Aiguo; CHENG Lirui; REN Min; FENG Quanfu; LUO Chenggang
    Chinese Academy of Agricultural Sciences, Qingzhou Tobacco Research Institute of CNTC, Key Laboratory for Tobacco Gene Resources, Qingdao, P.R. China
    Brown spot and black shank have been two serious fungal diseases, resulting in huge losses to tobacco production. Tobacco line Beinhart 1000-1 is resistant against brown spot and black shank and appropriate for the genetics analysis and resistance...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 40

    The analysis of molecular marker and evolution based on tobacco EST

    GONG Daping; XIE Minmin; SUN Yuhe
    Qingzhou Tobacco Research Institute of CNTC, Laoshan District, Qingdao City, Shandong, P.R. China
    Tobacco is an allotetraploid (2n = 4x = 48) and most likely derived from a tetraploidization event involving the diploid species Nicotiana sylvestris (S-genome, 2n = 24) and Nicotiana tomentosiformis (T-genome, 2n = 24). Two full length cDNA...
  7. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 06

    Study on curing characteristics of flue-cured tobacco varieties

    SUN Fushan; WANG Chuanyi; XU Qian
    Qingzhou Tobacco Research Institute of Chinese National Tobacco Company, Laoshan District, Qingdao, Shandong, P.R. China
    In order to provide theoretical support to curing methods formulated for flue-cured tobacco varieties, we conducted a systematic flue-curing characteristics study of flue-cured tobacco varieties. The middle mature tobacco leaves of Honghuadajinyuan,...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, ST 39

    Isolation, screening and identification of Bacillus with high ability of protein degrading and aroma enhancing from tobacco leaf surface

    CHEN De-xin(1); AN De-rong(2); FENG Zhi-zhen(2); CHEN Tai-chun(2)
    (1) Qingzhou Tobacco Research Institute of CNTC, Qingdao, Shandong, P.R China; (2) College of Plant Protection, Northwest Agriculture & Forestry University, Yangling, Shaanxi, P.R China
    By taking the advantage of high-temperature resistance of Bacillus and adopting special separation technology, a strain of Bacillus with a high ability for protein degradation and aroma enhancement was isolated and screened from the surface of...
  9. CORESTA Congress, Edinburgh, 2010, AP 15

    NtCDPK12, a gene encoding calcium-dependent protein kinase, was induced by high-salt and drought in Nicotiana tabacum

    CHEN Shuai; LIU Guanshan; WANG Yuanying; SUN Yuhe; CHEN Jia
    Tobacco Research Institute, Chinese Academy of Agricultural Sciences / Qingzhou Tobacco Research Institute of CNTC, Qingdao, China
    Calcium-dependent protein kinases (CDPKs, EC 2.7.1.37) are the crucial Ser/Thr protein kinases in plants and play an important role in plant Ca2+ signal transduction. A full-length CDPK gene, NtCDPK12 (GenBank accession no. GQ337420), was isolated...
  10. 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+...