Pyrethrum is a perennial, herbaceous plant grown mainly for the production of pyrethrins. Pyrethrins have insecticidal properties and are commonly used in natural and organic products as a pest ...

THE pyrethrin content as determined by the chemical process is the only factor that influences the market value of pyrethrum, as it is held that a close relationship exists between the amount of ...

Production of a valuable flower crop is blooming again in Kenya after years of wilting sales. Chrysanthemums, aside from being attractive, are prized as a source of organic pesticides, called ...

Using digital image analysis, scientists developed a rapid, nondestructive method for determining pyrethrum flower number. The utility of using this approach for biomass assessment in pyrethrum is ...