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Isolation of Xanthomonas campestris pv. populi from stem lesions on Salix matsudana X alba ‘Aokautere’ in New Zealand
Author(s) -
Haworth R. H.,
Spiers A. G.
Publication year - 1992
Publication title -
european journal of forest pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.535
H-Index - 49
eISSN - 1439-0329
pISSN - 0300-1237
DOI - 10.1111/j.1439-0329.1992.tb00789.x
Subject(s) - xanthomonas campestris , biology , xanthomonas , inoculation , isolation (microbiology) , leaf spot , botany , horticulture , bacteria , microbiology and biotechnology , genetics
A yellow‐pigmented, Gram‐negative, aerobic, salicin utilising bacterium‐identified as Xanthomonas campestris pv. populi was isolated from one year old stems of S. matsudana X alba ‘Aokautere’ willows exhibiting stem necrosis. Although the bacterium was isolated from necrotic stem tissue almost in pure culture it was not pathogenic to vigorously growing material of S. matsudana X alba ‘Aokautere’ in field inoculations. Stress and predisposing climatic conditions during winter (frost, rain, wind, mild temperatures) are thought to have favoured the initial infections of this opportunistic pathogen. This disease is not considered serious.