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Pest & Disease Library · Solutions

Whitefly Control in Cucumber

Whiteflies are sap-sucking pests that weaken plants, fuel sooty mould, and transmit damaging viruses — worst in warm climates and greenhouses. This page covers whitefly in cucumber.

Common crops affected

Why it matters

They sap vigour and spread viruses, and breed continuously in warmth so populations escalate fast without intervention.

When it appears

Warm conditions and protected culture; year-round in greenhouses.

How to identify it

  • Clouds of tiny white insects when plants are disturbed
  • Whitish scale-like nymphs on leaf undersides
  • Honeydew, sooty mould, yellowing

How to manage it

  1. Use yellow sticky traps; quarantine new plants.
  2. Remove heavily infested lower leaves.
  3. Spray Spider Mite Control on leaf undersides; repeat every 3–5 days.

Recommended Vegalab program

RoleProductUse
Primary controlSpider Mite ControlContact control of soft-bodied pests
Broader pressureMultiMite ControlMixed pest pressure

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