| 21. | They have registered citronella as a weak repellent that protects up to two hours.
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| 22. | Citronella bark-control collars are now available.
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| 23. | Spray repellents and citronella oils offer temporary relief in keeping away these winged vampires.
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| 24. | Three wristbands _ two with DEET and one with citronella _ provided no protection.
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| 25. | Intercropping should include physical barriers, for citronella roots can take over the field.
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| 26. | However, natural citronella oil and its derivatives are preferred by the perfume industry.
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| 27. | The Texas doctors suggest instead using a combination product made with citronella as the repellent.
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| 28. | Active ingredient : 3.06 percent citronella
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| 29. | Scented geraniums, but not the citronella variety, which is best at repelling bugs.
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| 30. | Q . A citronella candle was spilled on a concrete apron around my swimming pool.
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