NEW SOUTH WALES, AUSTRALIA - Pyrethrum is a perennial, herbaceous plant grown mainly for the production of pyrethrins. Pyrethrins have insecticidal properties and are commonly used in natural and ...

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 ...

The yellow center of the 'killer chrysanthemum' contains a natural toxin that is a powerful insecticide. This flower, the pyrethrum plant, contains a potent chemical that is made into an effective, ...