Search Results

9 results

  1. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 27 (Poster)

    Studies on surface microstructure characteristics of flue-cured tobacco leaves in different areas in China

    GUO Wei-min; ZHANG Yan-ling; CAI Xian-jie; ZHANG Shi-xiang; WANG Jian-wei; YIN Qi-sheng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The appearance quality determination of tobacco leaves is currently highly dependent on human judgment, and looking for objective methods is of increasing concern. The microstructure of tobacco leaves is the basis for appearance quality, thus the studies ...
  2. Tobacco Science & Technology, 2012, 1, p. 62-68., ISSN.1002-0861

    Quantitation of surface color of flue-cured tobacco leaves and its relationship with carotenoid

    GUO Weimin(1); WEI Chunyang(1); ZHANG Yanling(1); CAI Xianjie(1); ZHANG Shixiang(1); WANG Jianwei(1); WANG Weichao(2); LI Weiguan(2); CAO Xiaotao(2); YIN Qisheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Xiangcheng Branch of Xuchang Tobacco Company, Xiangcheng 461700, Henan, P.R. China
    In order to reveal the possible causes about the color difference among flue-cured tobacco leaves of different growing areas in China, the surface color of tobacco leaves, C3F, from 60 counties in 11 provinces were measured, analyzed and characterized ...
  3. Tobacco Science & Technology, 2012, 11, p. 64-68, ISSN.1002-0861

    Surface cell morphological characteristics of cured tobacco leaves from typical flue-cured tobacco growing areas in China

    GUO Weimin; ZHANG Yanling; CAI Xianjie; ZHANG Shixiang; WANG Jianwei; LIU Yang; YIN Qisheng*
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the surface cell morphological characteristics of flue-cured leaves and their differences between growing areas in China, the surface microscopic images of C3F cured leaves collected from different typical growing areas were ...
  4. Tobacco Science & Technology, 2012, 6, p. 67-71, ISSN.1002-0861

    Effects of water stress on physiological and spectral characteristics of flue-cured tobacco

    LIANG Taibo(1); WANG Jianwei(1); YIN Qisheng(1); ZHANG Yanling(1); CAI Xianjie(*1); LI Haijiang(2); LIU Yang(1); ZHANG Shixiang(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Pingdingshan Tobacco Company of Henan Province, Pingdingshan 467002, Henan, P.R. China
    In order to investigate the physiological response of flue-cured tobacco to different watering conditions, the effects of water stress and water compensation on physiological characters and spectral features of flue-cured tobacco were studied with a pot ...
  5. Tobacco Science & Technology, 2010, 11, p. 51-54., ISSN.1002-0861

    Influence of fertilization on introduction of heavy metals into tobacco growing soils

    ZHANG YAN-LING(1); ZHANG SHI-XIANG(1); YANG JIE(2); WANG GUANG-SHAN(1); WANG XIN-MIN(1); LUO ZHAO-PENG(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Liaoning Province Tobacco Company of CNTC, Shenyang 110014, P.R. China
    The main fertilizer and irrigation management practices and contents of heavy metals (Cr, Ni, Cu, Zn, As, Cd and Pb) in main fertilizers for tobacco production in Circum-Shennongjia areas were studied by means of investigation and sample analysis, the ...
  6. Tobacco Science & Technology, 2010, 12, p. 61-65., ISSN.1002-0861

    Classification and evaluation of appearance quality of flue-cured tobacco based on Eigenvector

    WEI CHUN-YANG; LI FENG; ZHANG SHI-XIANG; CAI XIAN-JIE; WANG XIN-MIN; SONG JI-ZHEN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to better evaluate the appearance quality of flue-cured tobacco, the Eigenvectors of flue-cured tobacco appearance quality were introduced and the classification method of appearance quality on the basis of the quantified evaluation system of ...
  7. Tobacco Science & Technology, 2010, 8, p. 55-60., ISSN.1002-0861

    Effects of cultivar, crop year and growing area on middle- and microelement contents in flue-cured tobacco and relationships between these elements

    ZHANG SHI-XIANG; WANG JIAN-WEI; LIANG TAI-BO; WEI CHUN-YANG; GUO WEI-MIN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate their content difference in flue-cured tobacco of different cultivars, crop years and growing areas and the relationship between these elements, the contents of Mn, Fe, Cu, Zn, Ca and Mg in tobacco leaves of C3F from different ...
  8. CORESTA Congress, Shanghai, 2008, AP 37

    The study on the growing stage dynamic of the tobacco assimilate cadmium and lead and their difference of genotype

    ZHANG Shixiang; ZHANG Yanling; WEI Chunyang; WANG Jianwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Objective: to determine the growth stage dynamic of FCT and BT to accumulate cadmium and lead and the absorbing ability difference of them. Method: a pot culture experiment with FCT and BT with different application rates of cadmium and lead was carried ...
  9. Tobacco Science & Technology, 2008, 5, p. 49-53, ISSN.1002-0861

    Lead and cadmium absorption and accumulation in tobacco at different growth stages

    ZHANG SHI-XIANG; ZHANG YAN-LING; WEI CHUN-YANG
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    A pot culture experiment on FCT and BT treated with different rates of Cd and Pb was carried out, the contents of Cd and Pb in tobacco leaves at rosette stage (RS), late fast growing stage (LFGS), beginning flowering stage (BFS) and full flowering stage ...