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19 results

  1. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 107, APOST6 (adjourned)

    Estimation of the state of nitrogen nourishment of tobacco using the N-tester

    KOWALCZYK-JUSKO A.; KOSCIK B.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The purpose of this work, based on a three years of field experiment, was to inspect whether it is possible to use a chlorophyll meter in fixing the nitrogen doses used in growing flue-cured tobacco. The relationship between the capacity of nitrogen...
  2. CORESTA Meeting, Agronomy/Phytopathology, Suzhou, 1999, AP25

    Characteristics of F1 hybrids of Oriental tobaccos regarding physiology, biochemistry, product quality and resistance to black shank

    CHEN Xueping; YANG Jianquin; JIANG Tong; HUANG Jiangru; SUN Deguo; YU Xinzhen
    Hefei Institute of Economics and Technology, STMA, Hefei, Anhui, China
    The experiments were conducted in 1996-1998 at Hefei Institute of Economics and Technology and Oriental Experiment Station of Zhejiang Province. Eight F1 hybrids and four parental varieties of Oriental tobacco were investigated for the...
  3. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 112, APOST13

    Influence of aqua terra hydrogel on growth, development and yield of light cigarette tobacco

    KOSCIK B.; KOWALCZYK-JUSKO A.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The aim of introductory field and pot experiments which were carried out in Zamosc in the years of 1995-1997 was to study the influence of Aqua Terra hydrogel on the growth, development and yield of light cigarette tobacco. Hydrogels are substances...
  4. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 179, ST33

    Studies on the free and glycosidically bound aroma components of tobacco during the casing process

    LIU B.-Z.; XU Y.-T.; SUN Z.-J.; ZHU X.-L.; CHEN J.-L.; KAN Y.
    Hefei Institute of Economics and Technology, STMA, Hefei, Anhui, China
    Free and glycosidically bound aroma components from uncased and cased tobaccos were investigated. The free volatiles were isolated by ether extraction and subsequent simultaneous distillation and extraction (SDE). The glycosidically bound volatiles...
  5. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 76, AP3

    Tobacco plant drought resistance in relation to KH<sub>2</sub>PO<sub>4</sub> application

    ZHU X.-L.; ZHOU J-H.; WANG D.-M.; YANG X.-K.; LU G.-X.
    Hefei Institute of Economics and Technology, STMA, Hefei, Anhui, China
    The objective of the study were the effects of KH2PO4 on tobacco plant growth in dry soil conditions. The plant growth performance, analyzed enzymatic changes, and physiological and biochemical indicators such as SOD, CAT, chlorophyll content and...
  6. CORESTA Meeting, Smoke/Technology, Hamburg, 1997, ST44

    Determination of tobacco nicotine alkaloids by megabore capillary gas chromatography

    LIU B.Z.; ZHU X.L.; YAH Y.Q.; GUO Y.D.; PENG R.H.; MA J.
    Hefei Institute of Economics and Technology, STMA, Hefei, Anhui, China
    Nicotine and other minor tobacco nicotine alkaloids (e.g. nornicotine, anatabine, etc.) are important constituents in tobacco and tobacco smoke. A modified gas chromatographic method for the determination of nicotine alkaloids in tobacco and tobacco...