Symptoms and causes. Symptoms. Pemphigus vulgaris Pemphigus is a rare skin disorder characterized by blistering of your skin and mucous membranes. The most common type is pemphigus vulgaris, which involves painful sores and blisters on your skin and in your mouth.
Grafted tomatoes are quite different from the average, regular tomato. Because each plant consists of two plants, fused together, they require some different care and in turn, they give different results.
Tomato spotted wilt virus is a disease that can infect the plant in the greenhouse or field. Causing wilting and death, wilt cannot be cured. Black walnut trees produce a toxic material called juglone. This material causes wilting, stunting and death of affected plants.