Tomato Bacterial Disease Control Strategy

Janice LeBoeuf, OMAFRA Vegetable Crop Specialist, Ridgetown

See updated management strategy for Ontario field tomatoes (March 26, 2015)

As tomato transplanting begins, it’s a good time to review the strategy for bacterial disease management.

For the field grower, ensure that your transplants have received the recommended copper spray program in the greenhouse.  In the field, start to apply a registered copper fungicide within 7 days after transplanting – apply at least 3 applications at 7-day intervals to keep bacterial disease from gaining a foothold in the crop.  This protects new growth and replenishes the copper that is washed off by rain and dews.  If weather conditions are ideal for bacterial disease (wet weather), you may want to continue applications until early fruit set. Continue reading Tomato Bacterial Disease Control Strategy


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