Abstract
Interaction between Armillaria species and seven other fungi were tested in vitro. Tree antagonistic (Trichoderma viride, Trichotecium roseum and Penicillium sp.) and four decaying (Hypholoma fasciculare? Hypholoma capnoides, Phlebiopsis gigantea, and Pleurotus ostreatus) fungi were chosen for this study. The best results were noted for Trichoderma viride, because fungus was able to kill both mycelia and rhizomorphs of Armillaria species, while Hypholoma spp. inhibited both growth of Armillaria colonies and rhizomorph production.
Highlights
Armillaria root disease еxists in most natural forests and plantations around the world (S h a w & K i l e, 1991)
Decrease in mycelia growth in mixed cultures was noted for all Armillaria species
Differences can be clasified in three groups: 1. greatest slow down, observed for three antagonistic fungi (Trichoderma viride, Trichotecium roseum and Penicillium sp.); 2. me dium slow down observed for Hypholoma spp.; 3. minor changes in growth observed for decaying fungi Phlebiopsis gigantea and Pleurotus ostreatus
Summary
Armillaria root disease еxists in most natural forests and plantations around the world (S h a w & K i l e , 1991). In forests Armillaria species cause damage in orchards, vineyards and on horticultural plants, in urban areas. Six Armillaria spe cies of different pathogenicity live in natural forests and plantations throughout Europe (Guillaumin et al, 2005). This fact makes control of Armillaria root disease even more difficult. Traditional control methods are inadequate, ineffective or impractical, and com plete eradication of the pathogen is almost impossible (Raziq & Fo x , 2004). Chemi cal treatments are usable in urban areas on solitary trees, but even there eradication is incomplete
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