Q922
Causal organism of potato scab is
A.
Synchytrium endobioticum
B.
Spongospora scabies
C.
Streptomyces scabies
AnswerD.
Ralstonia solonacearum
Answer: Option C
Solution
Answer: Option C
Solution:
The causal organism of potato scabs is Streptomyces scabies.Streptomyces scabies is a Gram-positive bacterial pathogen that causes common scab disease in several crops, particularly the potato.
It is a soil-borne pathogen, a very devastating scab pathogen, and difficult to manage in the field.