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EL-LAKWAH, F., SALEH, M., ABD EL-AZIZ, A., NASR, M. (2011). PERSISTENCE AND TOXICITY OF TWO PLANT EXTRACTS TO SOME STORED PRODUCT INSECTS. Egyptian Journal of Agricultural Research, 89(4), 1327-1339. doi: 10.21608/ejar.2011.179007
FARES A. EL-LAKWAH; MOHAMED K. SALEH; ABD EL-AZIZ E. ABD EL-AZIZ; MAHROS E. NASR. "PERSISTENCE AND TOXICITY OF TWO PLANT EXTRACTS TO SOME STORED PRODUCT INSECTS". Egyptian Journal of Agricultural Research, 89, 4, 2011, 1327-1339. doi: 10.21608/ejar.2011.179007
EL-LAKWAH, F., SALEH, M., ABD EL-AZIZ, A., NASR, M. (2011). 'PERSISTENCE AND TOXICITY OF TWO PLANT EXTRACTS TO SOME STORED PRODUCT INSECTS', Egyptian Journal of Agricultural Research, 89(4), pp. 1327-1339. doi: 10.21608/ejar.2011.179007
EL-LAKWAH, F., SALEH, M., ABD EL-AZIZ, A., NASR, M. PERSISTENCE AND TOXICITY OF TWO PLANT EXTRACTS TO SOME STORED PRODUCT INSECTS. Egyptian Journal of Agricultural Research, 2011; 89(4): 1327-1339. doi: 10.21608/ejar.2011.179007

PERSISTENCE AND TOXICITY OF TWO PLANT EXTRACTS TO SOME STORED PRODUCT INSECTS

Article 7, Volume 89, Issue 4, December 2011, Page 1327-1339  XML PDF (528.67 K)
Document Type: Original Article
DOI: 10.21608/ejar.2011.179007
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Authors
FARES A. EL-LAKWAH1; MOHAMED K. SALEH1; ABD EL-AZIZ E. ABD EL-AZIZ2; MAHROS E. NASR2
1Plant Protection Department, Faculty of Agriculture, Moshtohor, Benha University, Egypt
2Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
Abstract
This work aims at evaluation the efficiency of the acetone and petroleum ether extracts of Cubeb fruits Piper cubeba (L.) and Thyme flowering buds Thymus vulgaris (L.) against the adults of Sitophilus oryzae (L.), Rhizopertha dominica (F.) and Tribolium castaneum (Herbst). Also, persistence of the two plant extracts compared to malathion and pirimiphos- methyl (actellic) using the most sensitive insect species (S. oryzae), was investigated .Results showed that , the efficiency of the two plant extracts was concentration and exposure period –dependent. At the highest tested concentrations (2&1%w/w), the acetone extract of P. cubeba and petroleum ether extract of T. vulgaris were highly effective against S. oryzae and R.dominica adults, while, T. castaneum adults were the least sensitive . On the other hand, the petroleum ether extract of P.cubeba and the acetone extract of T.vulgaris indicated lower effectiveness against the three tested insects even after two weeks from treatment. The results also showed that, malathion and pirimihos methyl indicated clearly longer residual toxicity than the two plant extracts.
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