Bacterial canker – Vegetable Crops Hotline

Bacterial canker

firing of bc

Figure 1. Necrosis and chlorosis on leaf margin, also known and ‘firing’ due to bacterial canker. This is a very common symptom.

b canker in gh

Figure 2. Bacterial canker in greenhouse has resulted in stunting and necrosis.

birds eye spot

Figure 3. Bird’s eye spot infection on tomato fruit as a result of infection with bacterial canker. This symptom may not necessarily occur.

vasc discoloration

Figure 4. Vascular discoloration of tomato stem due to bacterial canker. This symptoms indicates that the infection is systemic.

another fruit infection

Figure 5. Fruit symptoms of bacterial canker.


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