Publication Type:Journal Article
Source:Phytopatologia Polonica, Volume 42, p.37-46 (2006)
Keywords:Beech, bleeding canker, pathogenicity, root rot, soil
Phytophthora citricola was detected in Siewierz Forest District in soil samples and diseased bark taken from declined 88-111-year-old European beech trees growing in three compartments of Trzebyczka Forest. Phytophthora cambivora was isolated only from diseased fine roots, bleeding cankers near trunk base and aerial canker spots. Both species colonised leaves and young stem parts as well as five-year-old beech branches. Necrosis spread about 1 mm/24 h.