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Pyrethrum flower, Chrysanthemum cinariaefolium

Pyrethroid insecticides are synthetic analogs of natural pyrethrins. Natural pyrethrins were widely used in Europe during the 19th century, when few effective insecticides were available. Natural pyrethrins, which contain six insecticidally active components extracted from the dried heads of the pyrethrum flower (Chrysanthemum cinariaefolium), have high insecticidal properties and low manunalian... [Pg.293]

Common potato, Solanum tuberosum, 596 Sweet potato, Ipomea batatas, 297 Pumpkin, Cucurbita pepo, 108 Pyrethrum flower. Chrysanthemum cinariaefolium, 293... [Pg.935]

See other pages where Pyrethrum flower, Chrysanthemum cinariaefolium is mentioned: [Pg.1091]    [Pg.1091]    [Pg.1091]    [Pg.1091]   
See also in sourсe #XX -- [ Pg.1089 ]

See also in sourсe #XX -- [ Pg.1089 ]



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Chrysanthemum cinariaefolium

Chrysanthemum flowers

Chrysanthemums

Flowers

Pyrethrum

Pyrethrum flowers

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