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Identifying thrips on Watsonia
Tiny, slender insects, yellow to brown-black. Visible as tiny dashes on flowers and leaves.
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Life cycle
Multiple generations per year. Pupate in soil. Spread rapidly in warm conditions.
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Damage to Watsonia
Silver streaks and scarring on leaves and petals. Distorted growth. Transmit viruses.
healing
How to treat thrips on Watsonia
Blue sticky traps. Spinosad or neem oil. Remove heavily infested flowers.
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Preventing thrips on Watsonia
Remove plant debris. Inspect new plants. Encourage predatory mites.