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.
How to Grow Sweet Corn. Sweet corn is a annual that prefers to be planted once the temperature of the soil reaches 60 degrees Fahrenheit or higher, which comes about one month after the last threat of frost.