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First Report of Infection of Maiden-Hair Fern (Adiantum jordanii and A. aleuticum) by Phytophthora ramorum in California

Vettraino, A.M., Hüberli, D., Swain, S., Bienapfl, J.C., Smith, A. and Garbelotto, M. (2006) First Report of Infection of Maiden-Hair Fern (Adiantum jordanii and A. aleuticum) by Phytophthora ramorum in California. Plant Disease, 90 (3). p. 379.

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Abstract

During July 2005, Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from nine native Adiantum jordanii plants growing at two forest sites (Samuel P. Taylor State Park, Marin County and Peachland Road, Mendocino County) and from seven A. aleuticum plants at one forest site (Peachland Road) in California. At both locations, symptomatic plants were distributed close to rivers and roads and in association with infected bay laurel trees (Umbellularia californica), toyon (Heteromeles arbutifolia), and tanoaks (Lithocarpus densiflorus). Symptomatic leaflets showed brown spots that sometimes coalesced, killing entire leaves, but the disease did not appear to be fatal to the ferns.

Publication Type: Journal Article
Publisher: The American Phytopathological Society
Copyright: (c) The American Phytopathological Society
URI: http://researchrepository.murdoch.edu.au/id/eprint/2281
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