IMPROVEMENT OF INSECTICIDAL PERFORMANCE USING CERTAIN ADDITIVES AGAINST COTTON LEAFWORM, Spodoptera JittoraJis | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 3, Volume 27, Issue 9, September 2002, Page 6417-6426 PDF (769.43 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2002.253986 | ||||
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| Author | ||||
| M. A. Hussein, | ||||
| Central Agricultural Pesticides Laboratory, Agricultural Research Center, Dokki-Giza, Egypt. | ||||
| Abstract | ||||
| The effects of additives of different groups : acetic acid, phosphoric acid (acidity modifier agent), glue and Arabic gum (thickening and sticking agent), castor oil, CAPL-2 (lipophilic agent), DL600 (polyethylene Glycol 600 Dilaurate) and sodium IIgnosulfonate (spreading agents) on physico-chemical properties and Insecticidal efficiency of esfenvalerate, chlorpyrifos and thiodicarb against Spodoplera littora/is were studied. Results obtained Indicated that all tested adjuvants were phYSically compatible with tested insecticides and showad improvement In their properties when they added at 0.3 %. Toxicological studies indicated that there were enhanced insecticidal efficiency of ssfenvalerats when mixed with glue, gum, phosphoric acid and castor oil. thiodlcarb when mixed with castor Oil. phosphoric acid and acetic acid fOf chlorpyrifos when mixed with glue, gum, phosphoric acid acetic acid and sodium-Ilgnosulfonate since they showed high synergistic eHect values when they mixed with the previous additives. Latent effect studies recorded reduction in Mean weight of larvae in a mixture of esfenvalerate with glue and caster oil, thiodicarb with glue and CAPL-2 and chlorpyrifos with glue, phosphoric acid and acetic acid, also all tesled adjuvants increase{! \he effecti\leness of esfenvalerate in decreasing of average weight of pupa, as well as the same indication was recorded in case of addition castor oil and acetic acid to lhiodicarb and when gum, sodium lignosulronate and castor oil were added to chlorpyrifos especially In females. | ||||
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