1. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 130, APOST4, ISSN.0525-6240

    The evolution of fundamental ecological regimes of energy in the tobacco culture for Burley in Middle Transylvania

    FILIP F.; PAUNESCU A.D.; VASU A.; SECELEANU I.; CIRNICI M.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    Expression of biomass production is largely influenced by three fundamental ecological regimes : energy, humidity and nutrition. The maximum output of biomass is only achieved when all three fundamental ecological regimes are optimal. In order to...
  2. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 136, APOST10, ISSN.0525-6240

    Chemical control of the weeds on the fields of Oriental type tobacco in Rumania

    PAUNESCU A.D.; CIRNICI M.; PAUNESCU M.; UDRESCU E.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    The losses due to the weeds on the fields of Oriental type tobacco can reach the level of 50%; this problem requires a reasonable usage of the herbicides and cultivations. Thorough researches were made on the cultivar Djebel 292, between 1987 and...
  3. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 167, PPOST5, ISSN.0525-6240

    Aspects concerning the resistance of the Oriental type of tobacco to Chalara elegans (Nag Raj and Kendrick)

    PAUNESCU M.; PAUNESCU A.D.; PANCIU A.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    The research achieved during 1985-1990 on the varieties of Oriental type of tobacco, showed that, generally, this type of tobacco is resistant to the fungus Chalara elegans. Observations were made either in the vegetation house or in normal...
  4. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 52, AP6, ISSN.0525-6240

    The active physiological substances influence on the quality features of tobacco seed and seedling

    BRUTARU L.; PAUNESCU A.D.; MANEA M.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    The use of active physiological substances for the stimulation of the tobacco seeds has become a widespread technique. The main biostimulators, tested in our experiments, with positive effect on germination percentage and uniformity were :...