The key to chrysanthemums' pest-repelling properties lies in the natural insecticide they produce, called pyrethrin. This ...

Chrysanthemums tend to have few disease or insect concerns as the flowers contain a powerful insecticide known as pyrethrin.

but oil extracted from the flowers of certain chrysanthemum species has been used in insecticides for centuries. Look for pyrethrum in the list of ingredients on your bug spray; it’s one of the ...

Workers harvest pyrethrum. The number of farmers growing the crop has dropped to 10,000 from 200,000 in 1980s. [PHOTO: FILE] KENYA: Pyrethrum farmers in Nakuru and Nyandarua counties recall with ...

Crombie, L., J. Chem. Soc. (in the press). Gulland, J. M., and Hopton, G. U., J. Chem. Soc., 6 (1930). Crombie, L., Chem. and Indust., 1034 (1952).

Following a ready market for the cash crop, pyrethrum will be grown alongside other crops such as potatoes, coffee, and maize, among others. [Kipsang Joseph, Standard] Almost two decades after ...