Plant diseases are a common problem for gardeners and farmers alike. EDEMA is a plant disease caused by an imbalance of water in the plant, resulting in swollen leaves and stems. ROT is a plant disease caused by fungi or bacteria that can cause decay and death of the plant. SCAB is a plant disease caused by a fungus that causes lesions on the surface of the plant. BLIGHT is a plant disease caused by a fungus or bacteria that can cause rapid death of the plant. ERGOT is a plant disease caused by a fungus that can cause grain to become toxic. SMUT is a plant disease caused by a fungus that can cause black spots on the plant. RUST is a plant disease caused by a fungus that can cause orange or red spots on the plant. MILDEW is a plant disease caused by a fungus that can cause white spots on the plant. SCALE is a plant disease caused by an insect that can cause a waxy coating on the plant. Dryrot is a plant disease caused by a fungus that can cause wood to become brittle and weak. Erinose is a plant disease caused by a mite that can cause bumps on the plant. Rootrot is a plant disease caused by a fungus that can cause the roots of the plant to ROT.