Some of the mental illnesses that can be associated with the existence of synthetic marijuana abuse can include: 1  Bipolar disorder. 2  Schizophrenia. 3  Posttraumatic stress disorder. 4  Attention-deficit/hyperactivity disorder. 5  Anxiety disorders. 6  Depressive disorders. 7  Oppositional defiant disorder. 8  Conduct disorder.
Corn smut, also known as common smut, is a common disease of sweet corn caused by the fungus Ustilago maydis.This disease rarely kills corn plants, but usually causes the production of smaller ears. Corn smut commonly develops on the tassels, ears, leaves, and shoots of corn as a gall.rystal Floyd. Photo by M. Grabowski. Corn smut, also known as common smut, is a common disease of sweet corn caused by the fungus Ustilago maydis. This disease rarely kills corn plants, but usually causes the production of smaller ears.
The best site for a good crop of sweet corn is an area that receives at least six to eight hours of direct sunlight each day. The soil should be moist but drain well, since standing water can cause the corn seed to rot. Sweet corn feeds heavily on the nitrogen in the soil.