Symptoms first manifest on lower foliage and include chlorosis, brown necrosis, and leaf tissue shriveling. With time, vascular tissue turns tan in color and eventually a red-brown.
Symptoms on Fruits: Small, round white to yellow spots with brown centers may develop on green fruits.
Bacterial canker of tomato is a serious disease that favors high moisture conditions and warm temperatures. Outbreaks can cause significant damage to tomato plants.
Monitoring: Inspect the field regularly so that bacterial canker can be detected at an early stage.
Do not touch wet plants that are infected. Postpone any scheduled practice in the field until foliage is completely dry.
Sanitation: Sanitize all equipment that came into contact with infected plants.
Chemical management is concentrated around preventative spraying applications of copper hydroxide-based products.
*Names marked in red are considered to be highly poisonous to beneficial insects.
*Names marked in green are considered to be organic and IPM (integrated pest management) compatible.