| 31. | The use of pyrethrum in insecticide preparations dates to about 400 Eastern Africa during the late 1920s.
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| 32. | *Pyrethroids are synthetic insecticides based on natural pyrethrum ( pyrethrins ); one common example is permethrin.
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| 33. | People can be exposed to pyrethrum as a mixture of cinerin, immediately dangerous to life and health.
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| 34. | Another variety of " Chrysanthemum " used for the production of pyrethrins is the pyrethrum chrysanthemum.
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| 35. | Since the 2000s, Kenya has produced about 70 % of the world's supply of pyrethrum.
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| 36. | Before the collapse of the pyrethrum industry in Kenya, pyrethrum was a major cash crop in Ndeiya.
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| 37. | Before the collapse of the pyrethrum industry in Kenya, pyrethrum was a major cash crop in Ndeiya.
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| 38. | Pyrethrums, derived from plants in the marigold family, are safest for kids and pets, Williams said.
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| 39. | Before DDT, eliminating mosquito breeding grounds by drainage or poisoning with Paris green or pyrethrum was sometimes successful.
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| 40. | Crops grown in the country include coffee, tea, pyrethrum, bananas, beans, sorghum and potatoes.
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