What Are Tomato Spotted Wilt Virus Symptoms in Pepper and Tomato Plants?
Tomato Spotted Wilt Virus (TSWV) is a viral disease that significantly impacts tomato and pepper crops worldwide. Recognizing the primary symptoms early in the plant's cycle is vital for protecting crops and ensuring effective treatment. In tomatoes and peppers, the virus causes a unique combination of foliar and fruit symptoms that differentiate it from fungal, bacterial, or other viral diseases, though accurate diagnosis often requires confirmation in-field with a reliable test strip, such as the Agdia ImmunoStrip® [source] . Foliar Changes: Bronzing and Lesions in Tomato Leaves One of the earliest and most telling signs of TSWV is the bronzing of young tomato leaves. Instead of healthy green tissue, infected foliage develops a metallic sheen that may be accompanied by small, blurred brown lesions. These lesions stand out from those of fungal leaf spot diseases, like early blight, because their margins blend into surrounding tissue rather than presenting a distinct border. A...