Answer: Another possible cause for your wilting tomato plants is southern blight, caused by a soil-borne fungus. The first step in combating any fungal or bacterial disease is to practice good sanitation in your garden. Promptly remove and destroy any diseased plant material, keep weeds down, and rotate crops. Keep plants well-spaced to promote good air circulation. I am not familiar with the tomato varieties you mention--perhaps they are varieties available to commercial growers. You might try the "Mountain" varieties, developed by Dr. Randy Gardner at North Carolina State Univ., including Mountain Delight VFFA and Mountain Supreme VF (also resistant to early blight). These are available from Tomato Growers Supply Co., PO Box 2237, Fort Meyers, FL33902, (914)768-1119..
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