Scanning electron microscopy of invasion of apple leaves and blossoms by Pseudomonas syringae pv. syringae

Scanning electron microscopy indicated that Pseudomonas syringae pv. syringae L795 entered leaves through stomata and multiplied in the substomatal chambers. Strain L195 applied to blossoms colonized stigmas and also occurred in intercellular spaces of styles. Nonpathogenic strain L796 failed to col...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 1989-02, Vol.55 (2), p.533-538
Main Authors: Mansvelt, E.L, Hattingh, M.J
Format: Article
Language:English
Subjects:
Bacteriology
Biological and medical sciences
ESTOMA
FEUILLE
Fundamental and applied biological sciences. Psychology
GINECEO
GYNECEE
HOJAS
MALUS PUMILA
Microbiology
Microorganism-Plant Interactions
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
PSEUDOMONAS
Pseudomonas syringae
STOMATE
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Summary:Scanning electron microscopy indicated that Pseudomonas syringae pv. syringae L795 entered leaves through stomata and multiplied in the substomatal chambers. Strain L195 applied to blossoms colonized stigmas and also occurred in intercellular spaces of styles. Nonpathogenic strain L796 failed to colonize blossoms. This study suggests that inoculum of pathogenic P. syringae builds up apples leaves and blossoms
ISSN:0099-2240
1098-5336
DOI:10.1128/AEM.55.2.533-538.1989