Q195
Indicator plant for tristeza virus in citrus is
A.
Citrus timmetoides
B.
C. aurantifolia
AnswerC.
C. reticulata
D.
C. paradisi
Answer: Option B
Solution
Answer: Option B
Solution:
Indicator plant for tristeza virus in citrus is C. aurantifolia.CTV is citrus tristeza virus, it is a viral species of the genus closterovirus that causes the most economically damaging disease of citrus.
CTV is classically diagnosed by graft-inoculating a Mexican lime (Citrus aurantifolia) with tissue from a diseased plant. Symptoms on the leaves begin as clear veins that turn corky, which is then followed by chlorosis and cupping of the leaf.