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A note on Pseudomonas syringae pv. berberidis infections of Berberis: aetiology of a leaf spot and leaf fall disease in England
Author(s) -
Roberts S.J.,
Preece T. F.
Publication year - 1984
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1984.tb01382.x
Subject(s) - berberis , pseudomonas syringae , leaf spot , biology , deciduous , botany , evergreen , pathogen , microbiology and biotechnology
R oberts , S.J. & P reece , T.F. 1984. A note on Pseudomonas syringae pv. berberidis infections of Berberis : aetiology of a leaf spot and leaf fall disease in England. Journal of Applied Bacteriology 56 , 507–513. A leaf spot and leaf fall disease is currently causing problems among certain Berberis spp. in England. Evergreens affected include B. julianae, B. gagnepainii, B. candidula, B. hookeri , and deciduous spp. include B. x ottawensis and B. thunbergii . The pathogen, Pseudomonas syringae pv. berberidis , which was confirmed as a distinct pathover by biochemical and host tests, was isolated from less than half of leaves showing typical symptoms. Isolates of Ps. syringae pv. berberidis from England, New Zealand and USA differed in cultural characteristics and in patho‐genicity to certain Berberis spp.