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14 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. 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...
  3. Bull. Spec. CORESTA Congress, Harare 1994, p. 109, P 25

    Strategies to confer higher resistance to viruses : Introduce different resistant genes into a same transgenic plant

    WU Z.X.; YIE Y.; ZHANG T.Q.; WANG S.Y.; YAO G.H.; PO TIEN
    Henan Agricultural Academy, Institute of Tobacco, Xuchang, China.
    Plants transformed with a viral coat protein (CP) gene or Satellite (Sat) RNA gene or replicase gene (such as TMV 54kDa gene) proved to be resistant to virus. However, the efficiency of these transgenic plants was demonstrated to have limitations...
  4. Bull. Spec. CORESTA Congress, Harare 1994, p. 149, PPOST 22

    Comparison of resistance in transgenic and non-transformed commercial tobacco cultivar NC89 to cucumber mosaic virus under field conditions

    WU Z.X.; YIE Y.; ZHANG T.Q.; WANG S.Y.; YAO G.H.; PO TIEN
    Henan Agricultural Academy, Institute of Tobacco, Xuchang, China.
    During four consecutive growing seasons, transgenic tobacco plants of a major commercial cultivar NC89 possessing either the chimeric genes of cucumber mosaic virus (CMV) satellite (Sat) RNA and coat protein (CP) or CMV CP gene alone were compared...
  5. Bull. Spec. CORESTA Congress, Harare 1994, p. 150, PPOST 23

    Selection of transgenic tobacco lines highly resistant to insects

    WU Z.X.; ZH. ZH.; LIU CH.M; ZHANG T.Q.; YAO G.H.; LI X.H.
    Henan Agricultural Academy, Institute of Tobacco, Xuchang, China.
    Cowpea trypsin inhibitors (CPTI) are small polypeptides of around 80 amino acids belonging to the Bowman-Birk type of double-headed serine protease inhibitors. It has been found that the gene encoding a CPTI can confer enhanced resistance to a wide...