Tomato Russet Mite
Overview
Tomato russet mite is a microscopic eriophyid mite that causes bronzing and collapse in tomatoes.
It is one of the most difficult tomato pests to detect early.
Main symptoms
Typical symptoms: - bronzed stems - leaf curling - dry brittle foliage - plant collapse - russeting
Damage usually begins low in the crop.
Conditions favouring russet mite
| Condition | Risk |
|---|---|
| Hot protected crops | High |
| Dense canopy | Moderate |
| Delayed detection | Very High |
Monitoring
Inspect: - lower stems - bronzed tissue - dry leaves - suspicious stem discolouration
Magnification is usually required.
IPM approach
Useful strategies: - early inspections - lower crop monitoring - hotspot isolation - avoiding plant stress
Commonly affected crops
Key message
Tomato russet mite is often well established before symptoms are correctly identified.