What is the major limitation of the dried preparation of the insecticide Bt that is produced by Bacillus thuringiensis?
A) It has not been approved for use in the United States.
B) It degrades so quickly that it has to be applied repeatedly.
C) It is not very toxic.
D) It is new and untested.
E) It is difficult to produce.

Question

Quizplus · Accepted Answer

The major limitation of the dried preparation of Bt insecticide is that it degrades quickly, requiring repeated applications.

What Is the Major Limitation of the Dried Preparation of the Insecticide