"Scab is caused by the Fusarium genus of fungi. This disease grows rapidly during wet periods in the spring. Rainy periods during wheat flowering are extremely conducive to the spread of the disease. The disease causes kernels to shrivel, turn a pinkish color or even white and deliver very low test weight.

Germination scores have ranged from 32% to 83% on samples from the field prior to conditioning. Tetrazolium, a vigor and diagnostic test, identified disease as the culprit causing low germination scores."


If infected by a disease this will put a shortage on the supply, hence increase the price until more healthy crops are grown or disease is eliminated. …