Everything you need to know about controlling diseases of cowpea. A. Fungal Diseases 1. Anthracnose (Colletotriclium Lindemuthianum): The fungus attacks the stem, leaves and pods. Infected portions show dark brown and sunken spots with erased reddish or yellowish margins. Tissues of necrotic spots on leaves collapse, become thin and papery, and produce abundant pinkish slimy […]