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Identifying whiteflies on Mint
Tiny white, moth-like insects that fly up when the plant is disturbed, with honeydew and sooty mould sometimes visible on lower leaves.
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Life cycle
Eggs laid on leaf undersides. Multiple generations per year. Thrive in warm temperatures.
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Damage to Mint
Whiteflies sap-suck on leaf undersides, weakening growth and coating leaves in sticky honeydew that can attract sooty mould, affecting harvest quality.
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How to treat whiteflies on Mint
Use yellow sticky traps to catch adults, and spray the undersides of leaves forcefully with water to dislodge nymphs.
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Preventing whiteflies on Mint
Inspect leaf undersides regularly, especially in warm weather, and avoid overcrowding plants.