What these two scientists are independently trying to do with the plant in question, Chrysanthemum cinerariaefolium, commonly known as pyrethrum, is to eventually grow large enough quantities of this ...

Q: Please recommend a ready to use houseplant spray containing insecticidal soap or pyrethrin that you suggested using to get patio plants ready to move indoors. I have several large geraniums, doing ...

Dalmatian daisies contain natural pyrethrins that repel and kill a wide range of insect pests. All mums can slightly deter bugs with their scent, but only Chrysanthemum cinerariifolium has enough ...

Ever since DDT came out of the laboratory two years ago, chemists have been trying to improve on the “wonder killer.” Last week a Britisher announced his entry: “Activated DDT,” a concoction of ...

After thousands of scientific tests and trials, pyrethrum has met or bettered government safety standards and it's currently considered safe for organic farming. But keeping the northern ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

IN my article published in NATURE of June 27 (p. 720) on “Biological Assay of Insecticidal Sprays”, it was stated that a solution of pyrocatechol in ether was recommended as a stabilizer for the ...

A research team has elucidated the biosynthetic pathways of pyrethrum (Tanacetum cinerariifolium), identifying key genes responsible for pyrethrin production. These findings highlight pyrethrum's ...