Chrysanthemum Flower Pyrethrum. Pyrethrum is a powerful rapidly acting insecticide originally derived from the crushed dried flowers of the daisy Chrysanthemum cinerariifolium. Coccineum which are cultivated as ornamentals for their showy flower heads.
Brand Insecticides are ideally suited to protect fruits vegetables and ornamentals. Growers harvest the flowers at specific stages and dry the flowers. A Pyrethrin I and II have been isolated by the method of Staudinger and Ruzicka from the insecticidal plant Pyrethrum Chrysanthemum cinerariaefoliumBoth are shown to be highly toxic to the insect Aphis rumicis.
From there different products can be made like powders and liquids.
From there different products can be made like powders and liquids. 17062021 Pyrethrin insecticide is commonly produced synthetically by industrial methods but it also naturally occurs in the pyrethrum daisy flowers. Coccineum which are cultivated as ornamentals for their showy flower heads. Flowers of other Chrysanthemum species like Chrysanthemum leucanthemum and Chrysanthemum coccineum have been used as substitutes and adulterants of Pyrethrum Flower.