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The virulence of Heterobasidion parviporum population from Norway spruce stand in Suwalki Forest District

100%

Lakomy P., Kwasna H., Dalke-Swiderska M.

Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria

2011

tom 10

nr 3

The aim of this study was to determine the virulence of H. parviporum genets with known genetic similarity and representing pathogen's population, which infested a part of Norway spruce stand. Genets caused average 47% mortality of spruce seedlings in infection experiment in vitro. The mortality rate varied from 16% to 80%. In infection experiment in vivo the mycelium of H. parviporum caused the wood necrosis on distance from 0.8 to 7.78 mm. 56% of genets of investigating population characterized by high virulence, 22% by average and 22% by low virulence.

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Silvarum Colendarum Ratio et Industria Lignaria

1 Dalke-Swiderska M.

1 Kwasna H.

1 Lakomy P.

1 2011

Wyniki wyszukiwania

The virulence of Heterobasidion parviporum population from Norway spruce stand in Suwalki Forest District