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  1. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 117, P02

    Evaluating different metalaxyl formulations for control of black shank (Phytophthora nicotianae ) on flue-cured tobacco in South Africa and evaluating cultivars for resistance against black shank in combination with Ridomil G (metalaxyl)

    VAN JAARSVELD E.; SCHOLTZ A.
    Lowveld Tobacco Growers Association, Nelspruit, South Africa
    Black shank, caused by the fungus Phytophthora nicotianae is a highly destructive and wide spread tobacco disease in the Lowveld (South Africa). The aim of this study was: (1) to evaluate different metalaxyl formulations for controlling Black shank in S.A ...
  2. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 82, AP9

    Production of tobacco seedlings in pine-bark medium on permanent seedbed structures – the use of steam sterilization as opposed to methyl bromide

    SCHOLTZ A.; SONNENBERG S.M.; SMITH P.J.
    Lowveld Tobacco Growers Association, Nelspruit, South Africa
    The production of tobacco seedlings on permanent seedbed systems in composted pine-bark medium was developed over the past 6 years and are currently implemented by a vast number of commercial growers. The concept consists of a permanent constructed ...