If you suspect thrips are damaging your indoor plants, you can treat them with Neem oil, insecticidal soaps, and/or pyrethrin ...

If replacement trees are planted in a rock or desert landscape ... I have been spraying with pyrethrin until the weather got too warm. Someone recommended using diatomaceous earth on them.

The way to treat the problem is to drench around the tree (use a watering can or a bucket) with Permethrin. On ornamental trees such as yours, we’d recommend using a 38% concentrate. Be aware ...

Q: My fig tree has gotten frostbitten badly ... There are many products, but a strong pyrethrin spray can do a good job for immediate control. Then use a baited ant control in the area around ...

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

This flower, the pyrethrum plant, contains a potent chemical that is made into an effective, and environmentally friendly, insecticide. Gilgil, Kenya — The deadliest flower in the insect world ...