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Identifying thrips on Rose
Streaked or discoloured petals, especially on pale varieties, with distorted buds that fail to open properly.
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Life cycle
Multiple generations per year. Pupate in soil. Spread rapidly in warm conditions.
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Damage to Rose
Thrips feed inside developing buds, scarring petals and distorting blooms, which is especially noticeable on roses since flower quality is the main appeal of the plant.
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How to treat thrips on Rose
Remove and destroy heavily infested buds, use blue sticky traps to monitor and catch adults, and apply spinosad or neem oil during bud development.
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Preventing thrips on Rose
Remove spent blooms and plant debris promptly, and inspect buds regularly as they develop through the growing season.