| 21. | Watch for stink bugs and either hand harvest or use an appropriate insecticide such as pyrethrum.
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| 22. | Spray regularly with pyrethrum and rotenone.
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| 23. | Various chemical pesticides target this pest or you could use a pyrethrum, a biological control.
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| 24. | During World War II, Japan stopped exporting pyrethrum, forcing the search for an alternative.
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| 25. | The first, pyrethrin, is made from the dried, powdered flowers of the pyrethrum daisy.
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| 26. | Yellow sticky traps and pesticides containing pyrethrum, rotenone or neem also can help fight these pests.
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| 27. | Pyrethrum is just one of the many common names of the species Chrysanthemum cinerariaefolium, he explained.
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| 28. | The young couple grew pyrethrum, a daisy-like flower whose oil is a natural insecticide.
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| 29. | Pyrethroid pesticides mimic the insecticidal activity of the natural compound pyrethrum, the biopesticide found in pyrethrins.
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| 30. | Anaphylaxis has been reported after pyrethrum exposure, but allergic reaction to pyrethroids has not been documented.
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