“Pyrethrin is the most important insecticide in the world,” says Joel Maina Kibett, chief agriculture officer of Nakuru ...
One of the oldest pesticides known, pyrethrum is also the strongest insecticide allowed under National Organic Standards guidelines. Made from the dried flowers of a little white daisy now classified ...
IN my article published in NATURE of June 27 (p. 720) on “Biological Assay of Insecticidal Sprays”, it was stated that a solution of pyrocatechol in ether was recommended as a stabilizer for the ...
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