Q: My young tomato plants have leaves with silver patches and parts of the leaf tissue are very thin and discolored. When I look closely at the leaves I see dark flecks but I don’t see any bugs.

You can usually tell if your tomato plants have been affected by late tomato blight by checking the leaves. “Look for small green irregularly ... petioles can develop dark brown to black ...

The disease starts with dark brown or purple spots or ... immediately to prevent spread. The purple leaves on your tomato plants may or may not green up with appropriate nutrients, warm soil ...

store-bought plants from a big-box store and spread rapidly to other gardens. Early Blight (Alternaria solani)- presents itself as dark, concentric circles ¼ to ½ inch on lower leaves and ...

Distinguish Nutrient Deficiency from DiseaseNitrogen - Yellow or pale green old leaves, purple underside of leaves;Iron - ...

Silicon powers more than electronics: In tomato plants ... This dark substance appeared to lure pinworm mothers into laying eggs more frequently on tomato stems, instead of mostly on leaves.