Search Results

48 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 35

    Measuring canopy nitrogen nutrition in tobacco plants using hyper spectrum parameters

    ZOU Yong; YE Xiaoqing; YU Zhihong; CHEN Yufeng; WANG Wei; CHEN Jianjun
    (1) Shenzhen Tobacco Ind. Co., Ltd. of CNTC, Shenzhen, Guangdong, P.R. China; (2) Shenzhen Boton Flavors & Fragrances Co., Ltd., Shenzhen, Guangdong, P.R. China; (3) Tobacco Laboratory, South China Agricultural University, Guangzhou, Guangdong, P.R. China
    The aim of this paper is to study the quantitative relationship between above-ground nitrogen accumulation (ANA) of flue-cured tobacco and canopy spectral parameters, and then build a monitoring model for ANA of flue-cured tobacco based on various ...
  2. Tobacco Science & Technology, 2012, 6, p. 45-47, ISSN.1002-0861

    Analysis of cortex moutan extract with GC/MS

    QU Jiani; JIANG Xingtao; XIAO Haihong; LI Qingting; QIANG Yaofeng
    Shenzhen Boton Flavors & Fragrances Co., Ltd., Shenzhen 518051, Guangdong, P.R. China
    In order to develop a natural tobacco flavor, the main volatile components in Cortex Moutan extract were identified by SPME-GC/MS, and the influence of SPME conditions on determination results was investigated. The results showed that: 1) the proper SPME ...
  3. Tobacco Science & Technology, 2010, 8, p. 34-40., ISSN.1002-0861

    Determination of twenty free amino acids in tobacco leaves by HPLC with pre-column derivatization

    CHENG YONG; CHEN LING; DENG XIAO-CHUN
    Shenzhen Boton Flavours and Fragrances Co., Ltd, Shenzhen 518051, Guangdong, P.R. China
    A method for determining 20 free amino acids in tobacco leaf was established by using 2,4-dinitrofluorobenzene (DNFB) as a derivative reagent, 0.015 mol/L disodium hydrogen phosphate and potassium dihydrogen phosphate as buffer solution and 50% aqueous ...
  4. 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 ...
  5. 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 ...
  6. 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: ...
  7. 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 ...
  8. 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 ...
  9. CORESTA Meeting, Agronomy/Phytopathology, Bucharest, 2003, APOST 04

    Burley tobacco in Romania - present and future

    BURCEA A.M.; PAUNESCU A.D.; MILITARU D.C.; SANISLAV N.; IOAN C.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    In Romania, the Burley tobacco was introduced in 1951, its traditional area of growing being the centre and the north- west of the country (Transylvania), on fertile, light, permeable, well supplied with water soils, of clay and sandy- clay nature. Lately ...