Why are my tomato plants showing a discoloration on the lower leaves? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: My tomato plants are showing a variegated discoloration especially on lower leaves. Several varieties are affected. Answer: Jonathan Foster, Special Project Assistant I was concerned about the concentric circle lesions on a couple of leaves (typically a symptom of early blight), so I reached out to our plant pathologist, Dr Alicyn Smart, for her read more