Gardening Q & A
Environmental stress. from bouts of. cool rainy. weather, herbicide. damage, severe. pruning., sucking insects. and. viruses. tend to cause tomato leaves to curl. Yo-yo watering. a...
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Causes of Tomato Leaf Curl. Tomato leaf curl can be caused by a variety of things of which bugs (usually aphids) are only one. Look at the underside of the leaves that are curling....
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Dehydration.
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If your tomatoes are being grown outdoors, "leaf-curl" develops during periods of cool and rainy weather. It causes the leaves to roll up and become very thick. This doesn't affect...
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Symptoms / Characteristics: The rolling or curling of tomato leaves can be a symptom of environmental stress, herbicide damage or viral infection. Physiological leaf roll may be as...
http://in.answers.yahoo.com/question/index?qid=200...