Main symptoms of yellow vein mosaic of okra are –

Correct option is D

Correct option (d) Vein clearing and chlorosis
· Caused by Yellow Vein Mosaic Virus (YVMV).
· Yellowing along veins with green islands.
· Transmitted by whitefly.
Other options:
· (a) Reddening – Seen in nutrient stress.
· (b) Wilting – Seen in vascular diseases.
· (c) Withering – Due to senescence or drought.