Search Results

37 results

  1. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 48

    TALEN-mediated mutagenesis of NteIF4E1a leads to potato virus Y (PVY) resistance in flue-cured tobacco (Nicotiana tabacum cv. K326)

    YANG Dahai(1,2,3); YAO Heng(1,2,3); XIE He(1,2,3); BAI Ge(1,2,3); CHEN Xuejun(1,2,3); LI Yongping(1,2,3)
    (1) Tobacco Breeding and Biotechnology Research Center, Yunnan Academy of Tobacco Agricultural Sciences, Kunming, P.R. China; (2) Key Laboratory of Tobacco Biotechnological Breeding, Kunming, P.R. China; (3) National Tobacco Genetic Engineering Research Center, Kunming, P.R. China
    Potato virus Y (PVY) infection causes severe yield reduction and quality decline of cultivated tobacco (Nicotiana tabacum) leaves, and results in large economic losses. In tobacco production, effective control of PVY is urgently needed. Breeding PVY ...
  2. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 49

    Construction and genetic evaluation of chromosome segment substitution lines in tobacco (Nicotiana tabacum L.)

    TONG Zhijun; JIAO Fangchan; CHEN Xuejun; XIAO Bingguang
    Yunnan Academy of Tobacco Agricultural Sciences of CNTC, Key Laboratory of Tobacco Biotechnological Breeding, National Tobacco Genetic Engineering Research Center, Kunming, P.R. China
    A set of chromosome segment substitution lines (CSSLs) of tobacco (Nicotiana tabacum L.) was first developed by molecular marker assisted selection (MAS) and successive backcrossing with Y3, the flue-cured tobacco germplasm with comprehensive traits as ...
  3. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 11

    Quantitative discrimination of the flavour type of flue-cured tobacco and correlation between flavour type and planting area

    LI Chao(1); MIAO Mingming(1); QIN Yunhua(1); LI Exian(2); WU Yiqin(1); XU Yong(1); YANG Guangyu(1); ZHANG Chengming(1)
    (1) Cigarette Product Quality Inspection Institute, Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Institute of Biotechnology and Genetic Resources, Yunnan Academy of Agricultural Sciences, Kunming, P.R. China
    To study the relationship between chemical composition and flavour type of flue-cured tobacco, 500 tobacco samples were collected from 29 areas in 14 Chinese provinces in 2012. A classical sampling method was applied. Following relevant methods described ...
  4. Tobacco Science & Technology, 2012, 4, p. 48-50, 66, ISSN.1002-0861

    Study on residue and degradation of deltamethrin in Oriental tobacco

    YANG Shaosong(1); CHEN Jing(*1); TANG Xubing(2); LUO Lin(2); YAO Min(2)
    (1) Institute of Agricultural Environment and Resource, YAAS, Kunming 650205, P.R. China; (2) Baoshan Oriental Tobacco Company, Baoshan 678000, Yunnan, P.R. China
    In order to assess the degradation behavior of deltamethrin residues in oriental tobacco, the field experiments were conducted for two consecutive years with 2.5 % deltamethrin EC. The test results indicated that: 1) The degradation of deltamethrin EC in ...
  5. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, PPOST 05

    Identification and phylogenetic analysis of 3'-part genomic sequence of an isolate of chilli vein mottle virus (ChiVMV) infecting Nicotiana tabacum

    QIN Xiyun(1); YANG Cheng(2); ZHANG Lei(3); JIANG Zili(2); FANG Qi(3); DING Ming(3); ZHANG Zhongkai
    (1) Yunnan Academy of Tobacco Sciences, Yuxi, Yunnan Province 653100, P.R China; (2) Dali Tobacco Company of Yunnan Province, Dali 671000, P.R China; (3) Biotechnology and Genetic Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650223, P.R. China
    The genus Potyvirus is the largest plant virus genus. An isolate of potyvirus, designated YN75, was obtained from tobacco (Nicotiana tabacum) in Dali, Yunnan Province. The virions of YN75 in the crude sap of infected plants were flexuous, 730-770 nm in ...
  6. CORESTA Congress, Kyoto, 2004, APOST 04

    A new Romanian flue-cured cultivar : Virginia 177

    CIUPERCA A.; PAUNESCU M.; PAUNESCU A.D.; BOLD I.; DUMITRASCU P.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The improvement of the chemical and industrial quality of Virginia tobacco in Romania represents the main objective for those involved in tobacco research, production and industrialization. The most important way to achieve this objective is the change of ...
  7. CORESTA Congress, Kyoto, 2004, PPOST 06

    The prevention of TSWV attack in the Burley fields in Romania

    STANESCU V.; PAUNESCU A.D.; DIMA A.; PAUNESCU M.; BURCEA A.M.; SANISLAV N.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The Burley cultivars are very sensitive to virosis, in general, and to TSWV, in particular.Yield and quality of the obtained tobacco largely depend on the prevention of this virus, and this is managed by the chemical control of Thrips tabaci Lind., the ...
  8. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, A 04

    The influence of the physiologically active substances and of the natural bioregulators on tobacco seed, seedlings and plants

    DIMA A.; PAUNESCU A.D.; PAUNESCU M.; CIUPERCA A.; MILITARU D.C.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The goal of the research was to improve the germination of tobacco seeds in order to obtain a healthy, vigorous, uniform seedling, ready to be transplanted in the shortest time. For the tobacco seed, cultivar Baragan 132, the following variants were used: ...
  9. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, A 06

    New research concerning the production of tobacco seedlings in Romania using the float system with trays

    MILITARU D.C.; PAUNESCU A.D.; DIMA A.; COMAN E.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The float system with trays was first tested in Romania in 1992, knowing its numerous advantages regarding the quality of the tobacco seedlings produced and the shortening of the obtaining period. After 1997, systematic research was conducted at the ...
  10. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, AP 12

    Progress achieved in the breeding of semi-oriental tobacco in Romania

    NASTASE I.; PAUNESCU M.; PAUNESCU A.D.; CIUPERCA A.; STROESCU M.; IOAN C.; ISPAS F.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The Romanian semi-oriental tobacco (Ghimpati) is considered to be the most typical native tobacco, having specific qualitative, physical-chemical, aroma, taste and smoking characteristics. The research conducted upon the semi-oriental biological material ...