Which of the following insects plays an important role in transmission of yellow vein mosaic disease of Okra?

Correct option is A

✅ (a) White fly ( Bemisia tabaci): • Major vector of Yellow Vein Mosaic Virus (YVMV) in okra. • Transmits the virus in a persistent manner, severely reducing yield. • Management includes vector control using insecticides and resistant varieties.
❌ (b), (c): • Not involved in YVMV transmission.