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  • Title: A method for selecting Trichoderma strains antagonistic against Sclerotinia minor.
    Author: Naár Z, Kecskés M.
    Journal: Microbiol Res; 1995 Sep; 150(3):239-46. PubMed ID: 7551733.
    Abstract:
    Thirty strains of T. hamatum, T. harzianum, T. koningii, T. longibrachiatum and T. viride were selected for in vitro mycoparasitic activity against Sclerotinia minor. High destruction of sclerotia (up to 70% in two weeks) was caused by antagonists only at 25 degrees C, in autoclaved soil, because the optimum temperature for radial growth of Trichoderma strains (25-30 degrees C) was significantly higher than those of phytophatogenic fungus (20 degrees C). The most active strains, which were selected also for competitive saprophytic ability could enhance the percentage of decayed sclerotia 5-9 fold over the control even after 1 week under non sterile conditions. A silicon rubber fixation technique was developed for recovery of irregularly shaped S. minor sclerotia.
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