MENNENI Group — Nurturing Nature for a Better Tomorrow

Tomato Leaf Curl: Distinguishing Virus Infection from Moisture Stress

Tomato Leaf Curl Virus (ToLCV) vs physiological leaf roll. Recognize vein clearing, bushy stunting, whitefly vectors, and protective strategies.

Visible Symptoms

Severe upward curling, cupping, yellowing of leaf margins, thick leathery texture, bushy stunted growth with complete cessation of fruit set.

Primary Causes

  • Tomato Leaf Curl New Delhi Virus (ToLCNDV) vectored by Whiteflies (Bemisia tabaci).
  • Physiological leaf roll caused by high temperatures, heavy pruning, or uneven soil moisture (leaves curl upward but stay healthy green without stunting).

MENNENI Products

Frequently Asked Questions

Can spraying vitamins or micronutrients cure a virus-infected tomato plant?

No. Plant viruses cannot be reversed once inside the plant cell. Removing the infected plant prevents whiteflies from acquiring the virus and spreading it across the field.