Impact of Armillaria spp. on mortality of introduced species in mixed coppice oak and beach forests in western part Republic of Srpska

Abstract

Coppice mixed oak and beech forests have great importance in potential for production of lumber in Republic of Srpska. One of the important goals is to improve utilization of site potential. In this purpose, it is very often that on stands of coppice mixed stands of oak and beach has been introduced different tree species. Regeneration of those stands by planting is very frequent. During reforestation, regardless if the area was planted by autochthon or introduced species, it is present high risk from biotical contamination. One of most important fungus that presents great danger for plantation is Armillaria ssp. that could impair success of reforestation. It is important that Armillaria spp. is a parasite of weakness present in stamps of harvested trees and attacking physiologically weak seedlings. In this paper, attention is paid to determining the degree of sensitivity of some deciduous trees that are commonly used in reforestation on the sites of coppice mixed oak and beech forests.