Plant parts affected

Stem

Initial diagnosis:

The younger leaves may die in succession and the entire may wilt and die in a course of few days. Soon the petiole and the leaves droop and wilt.

Symptoms:

In young plants, symptom consists of clearing of veinlet and dropping of petioles. In field, yellowing of the lower leaves first and affected leaflets wilt and die.

Damage type:

The symptoms continue in subsequent leaves. At later stage, browning of vascular system occurs. Plants become stunted and die.