... Czech Republic, Project No. QH71273.e survey of some factors affecting bark lesion development caused by Phytophthora cactorum on common beech and other broadleaved treesV. H, K. Č, ... Extent of bark lesions caused by P. cactorum isolates Nos P066.07, P078.07 and P100.07 on syca-more, beech, alder, lime, ash and oak saplingsFig. 3. Extent of bark lesions caused by P. cactorum ... pathogen inoculation was sycamore (mean of lesion 48.16 mm; P < 0.05) and the sec-ond one was beech (mean of lesion 22.07 mm). The differences among lesion extent on beech, alder and lime were...