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Issue 14 (2) 2015 pp. 93-102

Radosław Cieślak1, Jolanta Behnke-Borowczyk2, Tomasz Raźny2, Marta Molińska-Glura3, Anna Ratajczak2, Arleta Świetlik2,Piotr Łakomy2

1The State Forests National Forest Holding
2
Poznań University of Life Sciences
3
PUMS - Poznan University of Medical Sciences

DESCRIPTION OF HETEROBASIDION ANNOSUM POPULATION OCCURRING IN SCOTS PINE STANDS IN CZłOPA FOREST DISTRICTS II. MYCELIUM DEVELOPMENT IN A DEAD WOOD

Keywords: Heterobasidion annosum, genets, Scots pine, saprotrophic growth
Abstract:

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 from 8.10 cm to 43.27 cm. The genotypes that colonized wood on a shortest distance and the most extensively differed significantly from others. The analysis of the ability of wood colonization by mycelium of genotypes in relations to its origin showed that genotypes collected from stumps overgrew the roots slightly stronger (about 14.5%) than those collected from trees, but differences were not significant. There were no differences between genotypes isolated from pines and beaches, either. Population of H. annosum differed in genotypes features conditioning the rate of its development in the environment and disease dynamics. Differentiation of these features of pathogen populations caused an unequal infection and disease development rate in stands. It seems that the most aggressive isolates colonize the stand fastest through root system.

pub/.pdf Full text available in english in Adobe Acrobat format:
http://www.forestry.actapol.net/pub/1_2_2015.pdf

http://dx.doi.org/10.17306/J.AFW.2015.2.9

For citation:

MLA Cieślak, Radosław, et al. "Description of Heterobasidion annosum population occurring in Scots pine stands in Człopa Forest Districts II. Mycelium development in a dead wood." Acta Sci.Pol. Silv. 14.2 (2015): 93-102. http://dx.doi.org/10.17306/J.AFW.2015.2.9
APA Cieślak R., Behnke-Borowczyk, J., Raźny T., Molińska-Glura M., Ratajczak A., Świetlik A., Łakomy P. (2015). Description of Heterobasidion annosum population occurring in Scots pine stands in Człopa Forest Districts II. Mycelium development in a dead wood. Acta Sci.Pol. Silv. 14 (2), 93-102 http://dx.doi.org/10.17306/J.AFW.2015.2.9
ISO 690 CIEśLAK, Radosław, et al. Description of Heterobasidion annosum population occurring in Scots pine stands in Człopa Forest Districts II. Mycelium development in a dead wood. Acta Sci.Pol. Silv., 2015, 14.2: 93-102. http://dx.doi.org/10.17306/J.AFW.2015.2.9
Streszczenie w języku polskim:
http://www.forestry.actapol.net/tom14/zeszyt2/streszczenie-1.html