Survival ofXanthomonas campestris pv.vesictoria in pepper seeds and roots in symptomless and dry leaves in non-host plants and in the soil |
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Authors: | Y Bashan S Diab Y Okon |
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Institution: | (1) Division of Plant Pathology, Agricultural Research Organization, The Volcani Center, P.O. Box 6, Bet-Dagan, Israel;(2) Department of Plant Pathology and Microbiology, Faculty of Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot, Israel |
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Abstract: | Summary A population ofXanthomonas campestris pv.vesicatoria developed as endophytes in the leaves and rhizosphere of apparently symptomless plants grown under mist but not under dry
conditions. The pathogen survired for long periods on, and could be isolated from, the surface of infested dried seeds, inoculated
sandy loam soil, dried leaves, and the rhizosphere of pepper and of other non-host plants. In addition, small numbers of the
pathogen survived for 18 months in a field previously cropped with pepper diseased with bacterial scab. Healthy nursery or
mature plants developed symptoms while growing in soil containing infested leaves, either buried or placed on the soil surface. |
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Keywords: | Bacterial scab Pepper Phytopathogenic bacteria Capsicum annuum Xanthomonas campestris |
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