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Bacterial Spot on Pepper
This article was published originally on 7/22/1994Bacterial spot has been observed on pepper during the past several weeks. This disease, caused by the bacterium Xanthomonas campestris pv. vesicatoria, is favored by warm and humid conditions. The disease organism can be spread by rain or during overhead irrigation.
Leaf spots on affected leaves are at first small, yellow- green lesions with a water-soaked border. These spots may coalesce, giving a blighted appearance. Eventually these spots turn brown and dry up, leaving holes in the leaves. A tattered appearance of the leaves often results. Fruit spots are raised, scabby areas. Fungi may enter these spots and cause secondary fruit rots.
Bacterial spot is difficult to control once it is present. The following recommendations will aid in control:
Year of Publication:
IC-467(19) -- July 22, 1994