1. The insecticidal and bactericidal properties of aromatic plants helped ward off disease by killing air-borne bacteria and deterring fleas and lice.

2. The insecticidal action must be considered doubtful.

3. Process for preparing pyridazinone derivatives, and insecticidal, acaricidal, nematicidal, fungicidal compositions.

4. The progress on structure, insecticidal activity and synthesis method of neonicotine derivatives have been reviewed.

5. CA proved to enhance the insecticidal action of the plant aromatic oils, especially that of citron oil.

6. By comparison of the insecticidal activities Artemisia Linn hedinii Ostenf. et Pauls. has been screened from 16 species of poisonous plants in Tianzhu Inartificial Meadow, .

7. A insecticidal cotton able to express said two insecticidal proteins is especially provided.

8. The results indicate that chitosan has insecticidal activity to the lepidopterous pest and homopterous to a certain extent.

9. These insecticidal proteins are commonly known as Insecticidal Crystal Proteins ( ICP ) or delta endotoxin.

10. The insecticidal plant, Tripterygium wilfordii Hook , showed high effectiveness to many kinds of insect pests.

11. The expression and crystal formation of insecticidal crystal proteins were related to spore development in Bacillus thuringiensis (Bt).

12. Studies on the insecticidal activity of extract of Ricinus communis L. against insect pests were carried out in vegetable crops.

13. The insecticidal and antifeeding activity of latex and ethanol extracts of Euphorbia helioscopia L.

14. Objective To observe the insecticidal effect of Radix stemonaeand Liquidambar formosana hanee for adult Boophilus microplus.

15. A bivalence insecticidal cotton able to express said two insecticidal proteins is especially provided.

16. The insecticidal activity of methanol extract was higher than that of chloroform extract and petroleum extract.

17. As an insecticidal and acaricidal agent, silafluofen has remarkable repellent activity to termite, while displaying low toxicity towards fish and mammals.

18. Plant lectins have been shown to be insecticidal to pests including Homopteran pests.

19. The recent research of the active substances of Jatropha curcas on insecticidal, fungicidal and molluscicidal activities has been reviewed.

20. And it is determined by UV-260 and IR-408. The insecticidal experiments of extracts and crystals from ricinine in by different solvents in different time and the UV and IR spectra of them.

21. A method of quantitative analysis for allethrin, permethrin and piperonyl butoxide in insecticidal aerosol for household has been studied by GC FID.

22. A new chemical structure category of pyrethroids was synthesized. The tests in insecticidal activity was reported.

23. Other plants and parts of plants (including seeds and fruits), used for insecticidal, fungicidal or similar purposes, fresh or dried, whether or not cut, crushed or powdered.

24. In the new study, Foy and colleagues wanted to know whether ivermectin's insecticidal effect translated into fewer infectious mosquitoes, which in turn could slow the spread of malaria.

25. Lots of researches on Meliaceae show it contains various high effective insecticidal components, which lead to its broad insecticidal spectrum.

26. In recent years, the savin plant has been found that has excellent insecticidal activity.

27. The results of insect assay with Asian corn borer showed that transgenic tobacco plants carrying crylAc and crylle showed insecticidal activity against corn borer.

28. Compared with the prior art, the compound has higher insecticidal effect.

29. Cycloechinulin has not been extensively studied but has been reported to exhibit insecticidal activity against the lepidopteran crop pest Helicoverpa zea.

30. The results show that the pyrethroid containing 2 - imidazolidone in the structure has insecticidal activity.

31. Certain substituted benzylamino heterocyclic and heteroaryl derivatives have provided unexpected insecticidal and acaricidal activity.

32. This review deals with natural products possessing antifeedant and insecticidal properties from botanical origin recently.

33. D. insecticidal element: some actinomycetes produce antibiotics such as abamectin, sterilization element.

34. The use of arthropod pathogens like entomopathogenic fungi (fungi that kill insects), diatomaceous earth, insecticidal soaps and botanical insecticides are allowed under the standards.

34. try its best to collect and create good sentences.

35. The decrease in insecticidal effect of ricinine after modification indicated that the cyanogens group played an important role in insecticidal effect of ricinine .

36. These compounds have relatively high insecticidal activities and with low levels of resistance.

37. It is toxic to almost all forms of life including humans. It has broad - spectrum insecticidal activity.

38. At the same time, KHm insecticidal activity, the strength of bactericidal effect of sodium humate than good.

39. The mode of action and the insecticidal properties of these three groups are reviewed as well.

40. Chemical constituent analysis showed that thioether compound might be one of insecticidal substances in A. sativum and A. cepa.

41. This thesis is to study the insecticidal effect of PC to aphids and Plutella xylostlla.