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Bacterial diseases of plants are not as common as fungal diseases but they can cause dramatic leaf spotting a stem dieback in wet weather.
Bacterial diseases cause leaf and fruit spotting similar to fungal diseases such as black spot, shot hole and other leaf spot diseases. Bacterial leaf spots are typically angular in pattern and are ringed by a slimy or water-soaked ring of leaf tissue.
Bacterial canker causes stem dieback where stems dieback from the tip. The stems blacken and dry up leaving withered leaves and bacterial canker causes gummy sap to extrude from stems.
Prevention and Control
Fungicide and Bactericide. For control of a wide range of fungal and bacterial diseases on fruits, vegetables an…
Horticultural oil protects your plants from a range of insect pests, mites and diseases.
Organic control of diseases - powdery mildew, blackspot and rust. Plus control of moss, lichen and mites.