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  • Title: A new post-harvest fungicide to control fruit rot on apple and pear.
    Author: Vorstermans B, Creemers P, Bylemans D, Garnier A.
    Journal: Commun Agric Appl Biol Sci; 2005; 70(3):79-89. PubMed ID: 16637162.
    Abstract:
    PHILABUSTER is a new post-harvest fungicide developed by Janssen Pharmaceutica N.V.. It provides an advanced mould control by post-harvest treatments of citrus and pome fruit. The product is formulated as a stable suspension concentrate intended for dilution in water before use. PHILABUSTER 400 SC contains 200 g/L imazalil and 200 g/L pyrimethanil. Both active ingredients have a different single site mode of action. Imazalil inhibits ergosterol biosynthesis (DMI), whereas pyrimethanil interferes with fungal enzyme secretion and methionine biosynthesis. Due to the combination of these low risk fungicides a good anti-resistance management can be obtained. In case of existing reduced sensitivity of a population to DMI or MBC fungicides, no cross-resistance with pyrimethanil was observed. PHILABUSTER showed good activity by post-harvest treatment against key pathogens on apple and pear Penicillium expansum (blue mold), Botrytis cinerea (gray mold) and Gloeosporium spp. (lenticel rot) in small and large scale experiments with artificial or natural infections. By dip treatment of large volumes of fruit (up to 50 tons) the depletion of both active ingredients in the treatment water was low, both when plastic or wooden bins were used. Lower dose rates resulted in an inferior and inconsistent residue level of both active ingredients on fruit. Possible advantages of post-harvest treatments versus field treatments for the control of storage diseases are discussed.
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