Vidyalelo
Agriculture · Q318

Plant Pathology

Graduate and Post Graduate · Agriculture · question 318

Q318

The effective concentration of HC toxin in μg/ml is

A.
0.1
B.
0.2
Answer
C.
0.3
D.
0.4

Answer: Option B

Solution

Answer: Option B
Solution:
The effective concentration of HC toxin in μg/ml is 0.2.
HC-toxin is a cyclic tetrapeptide of the structure cyclo (D-Pro-L-Ala-D-Ala-L-Aeo), where Aeo stands for 2-amino-9,10-epoxi-8-oxodecanoic acid.
It is a determinant of specificity and virulence in the interaction between the producing fungus, Cochliobolus carbonum, and its host, maize.