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EL-LAKWAH, F., DARWISH, A., MOHAMED, R., ALY, M. (2011). EFFECTIVENESS OF SOME PLANT DUSTS AND INSECTICIDES AGAINST LESSER GRAIN BORER-RHIZOPERTHA DOMINICA (F) (COLEOPTERA: BOSTRYCHIDAE). Egyptian Journal of Agricultural Research, 89(3), 863-883. doi: 10.21608/ejar.2011.176558
FARES A. EL-LAKWAH; AHMED A. DARWISH; REFAT A. MOHAMED; MANAR Y. ALY. "EFFECTIVENESS OF SOME PLANT DUSTS AND INSECTICIDES AGAINST LESSER GRAIN BORER-RHIZOPERTHA DOMINICA (F) (COLEOPTERA: BOSTRYCHIDAE)". Egyptian Journal of Agricultural Research, 89, 3, 2011, 863-883. doi: 10.21608/ejar.2011.176558
EL-LAKWAH, F., DARWISH, A., MOHAMED, R., ALY, M. (2011). 'EFFECTIVENESS OF SOME PLANT DUSTS AND INSECTICIDES AGAINST LESSER GRAIN BORER-RHIZOPERTHA DOMINICA (F) (COLEOPTERA: BOSTRYCHIDAE)', Egyptian Journal of Agricultural Research, 89(3), pp. 863-883. doi: 10.21608/ejar.2011.176558
EL-LAKWAH, F., DARWISH, A., MOHAMED, R., ALY, M. EFFECTIVENESS OF SOME PLANT DUSTS AND INSECTICIDES AGAINST LESSER GRAIN BORER-RHIZOPERTHA DOMINICA (F) (COLEOPTERA: BOSTRYCHIDAE). Egyptian Journal of Agricultural Research, 2011; 89(3): 863-883. doi: 10.21608/ejar.2011.176558

EFFECTIVENESS OF SOME PLANT DUSTS AND INSECTICIDES AGAINST LESSER GRAIN BORER-RHIZOPERTHA DOMINICA (F) (COLEOPTERA: BOSTRYCHIDAE)

Article 5, Volume 89, Issue 3, September 2011, Page 863-883  XML PDF (451.18 K)
Document Type: Original Article
DOI: 10.21608/ejar.2011.176558
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Authors
FARES A. EL-LAKWAH1; AHMED A. DARWISH1; REFAT A. MOHAMED2; MANAR Y. ALY2
1Plant Protection Department Faculty of Agriculture, Moshtohor-Benha University, Benha, Egypt.
2Plant Protection Research Institute, Agricultural Research Center, Ministry of Agriculture, Cairo, Egypt.
Abstract
The aim of this study was to investigatethe efficacy of some plant dusts i.e. black pepper seeds dust (Piper nigrum L.); Cloves flowering buds (Syzegium aromaticum); Chili fruits dust (Capsicum frutescens); Cinnamon dust (Cinnamonum zeylanicum); Diatomaceous earth (DE) dust in comparison with katel-sous dust against Rhizopertha dominica (F.) at 30+1oC and 65+5% RH, also the efficacy of two organophosphorus insecticides namely malathion and piromiphos –methyl (Actellic) and one botanical insecticide (Neemazal T/S 1% Azadirachtin) was evaluated. The results indicated that adult mortality was concentration and exposure period dependent. Adult mortality was increased with increasing the dust concentration and exposure period. The results of the various dusts against Rhizopertha dominica adults indicated that DE was the most effective followed by black pepper dust, cloves flowering dust, katel-sous dust and chili dust which was the least effective one. On the other hand the highest tested cinnamon dust concentration (6% w/w) resulted a lower mortality (less than 40%) even after two weeks from treatment. Results of the toxicity index of the various tested insecticides against Rhizopertha dominica (F.), revealed that Actellic was the most effective followed by Malathion and Neemazal which was the least effective one.
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