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The study analysed the occurrence of white pocket rot in older pine stands. Analyses were conducted during cutting operations, which provided an opportunity to examine each felled tree in terms of the occurrence of heartwood rot. Based on observations it was found that the actual share of trees infested by Porodaedalea pini considerably exceeds the number of trees with external symptoms. Most frequently...
The aim of this study was to test the ability of dead wood colonization of Heterobasidion annosum isolates with known aggressiveness to the Scots pine seedlings. The experiment was established in Scots pine stand localized in the Człopa Forest District. Roots of six-month-old stumps were inoculated with mycelium of 19 genotypes of H. annosum Genotypes colonized wood of Scots pine roots on distance...
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