Pyrethrum is regarded as a section of the genus Chrysanthemum, family Compositae. Besides their ornamental importance, pyrethrum flowers have been widely used as a source material for preparation of insecticides. Being non-poisonous to man pyrethrum is particularly adapted for controlling household insects, however its use for preparing horticultural dusts and sprays, and livestock sprays is no less popular. With a brief introduction to the cultivation and ...