Tomato Leaf Curling | Purdue University Vegetable Crops Hotline
Tomato Leaf Curl - Backbone Valley Nursery
Gardening at USask - This intense heat wave is causing leaf curl in many different plants, but especially in tomatoes. This is a physiological disorder which is often mistaken for disease. Physiological
Physiological leaf roll vs. growth regulator herbicide damage viewed - Vegetable Growers News
Some leaf-curl problems can be corrected | The Spokesman-Review