pyrethrin वाक्य

उदाहरण वाक्य

1. Mix diatomaceous earth and pyrethrin in a 9-to-1 ratio, respectively, and dust it directly onto the mounds.
2. Try spraying a pyrethrin-based insecticide into the bloom, and keep the garden free of weeds, where the adults congregate.
3. Insecticides to use are borax-based products such as TIM-Bor or Bora-Care, and pyrethrin / silica aerogel.
4. The structures of the natural insecticides pyrethrin I, R = CH 3 and pyrethrin II, R = CO 2 CH 3.
5. The structures of the natural insecticides pyrethrin I, R = CH 3 and pyrethrin II, R = CO 2 CH 3.
6. Most of the world's supply of pyrethrin and " C . cinerariaefolium " comes from Kenya, which produces the most potent flowers.
7. Its active ingredient is a pyrethrin insecticide, the same used by semi-organic farmers ( pyrethrins are a natural insecticide first derived from an African pyrethrum daisy ).
8. Wolfe quoted studies showing nonprescription products containing a safer ingredient, such as permethrin in Nix or pyrethrin in RID Lice Shampoo, are as effective as lindane but safer.
9. If you don't want the hassle of mixing your own, you can buy premixed diatomaceous earth and pyrethrin products such as Perma Guard or Organic Plus, Kinler said.
10. Because they are biodegradable compounds, pyrethrins are now widely regarded as being preferable to pyrethroids, which is the name of a group of synthetic analogues of pyrethrin that accumulate in the environment.