Question

During the 1990s, many wheat fields in Arizona had to be destroyed due to the presence of what?

A. Ergotism
B. Corn smut
C. Karnal bunt fungus
D. All of the above

Answer 1

During the late 1990s many wheat fields in Arizona had to be destroyed due to the presence of karnal bunt fungus.

Answer 2

The correct answer is option C.

Step-by-step explanation:

During the 1990s, in an inspection, it was found that spores of Karnal bunt were present in Arizona wheat for the first time in the U.S.

The Animal and Plant Health Inspection Service announced an emergency and destroyed fields of wheat for quarantining it from Arizona wheat.

Thus, the correct answer is option C.