Tag: phytotoxicity
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Question of the Week – Phytotoxicity

What caused the spots on these watermelon leaves? These mysterious brown spots were observed in several fields that had recently been treated by an airplane. At first glance, the small brown lesions resembled symptoms of a foliar disease. However, several observations suggested a non-pathogenic cause. The spots were only found in fields that had received aerial applications. Within affected fields, the…