| Which disease of plant is known as ring disease?
Choose the correct option from below list
(1)Citrus Canker
(2)Black arm of cotton
(3)Wilt of Potato
(4)None of the above
Answer:-(3)Wilt of Potato
Note:-Wilt of Potato is a disease of plant caused by the bacteria. It is also known as ring disease because brown ring is formed on the xylem. | | |