👉 Cacosmia is a type of plant disease caused by the bacterium Cacosmia. It primarily affects the leaves and stems of certain plants, including those in the family Poaceae (grasses). This condition can cause severe damage to the plant's health, making it difficult for it to grow or produce fruits and seeds. Cacosmia is characterized by a white, disc-shaped lesion on the leaf surface. The lesions may appear as small, irregular patches of yellowish-brown to gray