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  1. Ann. Tabac, 1989, Sect. 2-22, p. 103-24., ISSN.0399-0354

    The production of tobacco in small clods of earth. Study of the germination and feeding with nutritive solution

    TRAORE A.K.; TANCOGNE J.; ARRESTIER R.
    S.R.T.P.N. _ IER, BP 281, Bamako, République du Mali.
    The success of the production of tobacco seedlings in small clods is dependant upon a germination as even and as regular as possible. For a given type of seed, germination depends on the level of humidity in the medium, therefore it is of utmost ...
  2. Ann. Tabac, 1989, Sect. 2-22, p. 135-44., ISSN.0399-0354

    Influence of some factors of the growth medium on the absorption of cadmium by N. tabacum L., variety PB D6

    TANCOGNE J.; NGUYEN PHU LICH; SCHILTZ P.
    SEITA, Institut du Tabac, Bergerac, France
    It has already been clearly shown in many studies that tobacco absorbs with relative ease cadmium, but the translocation to its leaves differs with species. For this reason, different trials have been carried out in pots to define the comportment of N. ...
  3. Ann. Tabac, 1989, Sect. 2-22, p. 5-88., ISSN.0399-0354

    A contribution to the physiological effects of topping of flue-cured tobacco (Virginia) cultivated in France. Relation to maturity and senescence of leaves

    TRAORE A.K.
    SEITA, Institut du Tabac, Bergerac, France
    It as been found that the total quantity of nitrogen absorbed by the plant and its total production of dry matter varies little after topping in Virginia tobacco cultivated in pots. The nitrogen content of the upper leaves which is highly dependent upon ...
  4. Ann. Tabac, 1989, Sect. 2-22, p. 95-101., ISSN.0399-0354

    A biochemical study of tobacco subjected to cotyledon test : Effect of magnesium, reactions of resistant and non resistant plants to Peronospora tabacina. VII. A cytochemical study of the callose deposition

    GEORGIEVA I.D.; DELON R.; COUSSIRAT J.C.
    Institut of Genetics - Sofia, Bulgaria
    The callose deposition on the cell walls of one susceptible and two resistant tobacco varieties, infected with P. tabacina Adam was investigated using the fluorescent technique. It was established that the callose papillae didn't appear in the ...
  5. Ann. Tabac, Sect. 1, 1990, 1-19, p. 65-79., ISSN.0399-0354

    Comparison of different pheromone traps for the monitoring of tobacco moth Ephestia elutella (Huebner) (Lep. Pyralidae) in tobacco warehouses

    GENEVE R.; DELON R.; FLEURAT F.
    SEITA, Direction de la Recherche, Paris, France
    A comparative study was carried out in an Oriental tobacco warehouse, in the west of France, on four pheromone traps using a light trap as a control. The commercial brands: Multi-Pher, Mas Trap, Moth Trap and Local Trap are recommended by the industrials ...