First report of Phytophthora europaea in oak forests in the Eastern and North-Central United States

• Published in: Plant disease Vol. 90; no. 6; p. 827
• Main Authors: Balci, Y, Balci, S, Eggers, J, MacDonald, W.L, Juzwik, J, Long, R, Gottschalk, K.W
• Format: Journal Article
• Language: English
• Published: United States 01.06.2006
• Subjects: forest soils; forest trees; fungal anatomy; fungal diseases of plants; host plants; internal transcribed spacers; new geographic records; new host records; pathogen identification; Phytophthora; Phytophthora europaea; plant pathogenic fungi; Quercus alba; Quercus phellos; Quercus rubra; Quercus velutina; ribosomal DNA; sequence analysis; soil fungi; West Virginia; Minnesota; Ohio; Wisconsin; Pennsylvania

In 2003 and 2004, soils in oak forest ecosystems in nine central and eastern states of the United States were surveyed for Phytophthora spp. Soil samples were collected around healthy and symptomatic trees. Symptoms included dieback of branches, gaps in lateral branch systems, yellowing of foliage,...