1. I am losing about half of my tomato crop because of fruit rot. Sunken round spots develop over the ripening fruit. The spots enlarge rapidly in warm weather. What can be done? Answer : There are a number of tomato fruit rots. The majority, including anthracnose which you apparently have, can be controlled by staking the plants or using a tomato cage in the spring and mulching with grass clippings or leaves, to get the fruit off the damp ground. In addition, spray at seven to ten day intervals using maneb, zineb, captan or a multi-purpose vegetable or tomato spray containing one of these fungicides. Follow the manufacturer’s directions. These materials will also control the common and destructive foliage blights. Spraying should generally start when the first fruit clusters are the size of walnuts. 2. The older and lower leaves on my tomato plants are spotted, turning yellow and dropping off. I’m afraid the fruit will sun scald. What sprays do you recommend? Answe r : Tom...
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