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Metodą według NWPC 1.4.1.3./79 badano skuteczność zabezpieczenia przed sinizną drewna bielu sosny z drzew w wieku 30, 41, 61 i 97 lat, z użyciem jako wzorcowych preparatów chemicznych środków ochrony drewna ze składnikami aktywnymi: QAC, propiconazol, kwas borowy. Stosowano mieszaninę kultur grzybów: Aureobasidium pullulans, Ceratocystis imperfekta, Cladosporium herbarium, Sclerophoma pityophila....
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