pyrethrin造句

例句与造句

1. Other weapons are insecticidal soap, pyrethrin and yellow sticky traps.
2. Commercial pyrethrin production mainly takes place in mountainous equatorial zones.
3. Look for diatomaceous earth and pyrethrin at garden centers.
4. Pyrethrin can be applied up to a day before you harvest your vegetables.
5. Pesticides that target stink bugs include pyrethrin and sabadilla.
6. It's difficult to find pyrethrin in a sentence. 用pyrethrin造句挺难的
7. I understand pyrethrin products might be used if you use a trunk spray.
8. To process pyrethrin, the flowers must be crushed.
9. Drench the plant and soil with a pyrethrin-based insecticide during the growing season.
10. Unfortunately, insecticidal soap doesn't taste very good, and pyrethrin is poisonous.
11. It is related to the pyrethrin I and II, as well as the pyrethroids.
12. Treatment with topic agents such as permethrin or pyrethrin with piperonyl butoxide is exceedingly effective.
13. This year, Harris County sprayed 2 million acres with a pyrethrin commercially sold as Scourge.
14. The flowers of " Chrysanthemum " species contain pyrethrin which is a potent insecticide.
15. The first, pyrethrin, is made from the dried, powdered flowers of the pyrethrum daisy.
16. This is done because pyrethrin concentration has been shown to increase as elevation increases to this level.
更多例句：  下一页