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EL-HEFNY, A. (2013). EFFECT OF CERTAIN PLANT EXTRACTS AS AN ANTIFEEDANT ON BIOCHEMICAL AND BIOTIC POTENTIAL OF THE EUROPEAN CORN BORER. Egyptian Journal of Agricultural Research, 91(4), 1287-1301. doi: 10.21608/ejar.2013.165107
AMANY S. EL-HEFNY. "EFFECT OF CERTAIN PLANT EXTRACTS AS AN ANTIFEEDANT ON BIOCHEMICAL AND BIOTIC POTENTIAL OF THE EUROPEAN CORN BORER". Egyptian Journal of Agricultural Research, 91, 4, 2013, 1287-1301. doi: 10.21608/ejar.2013.165107
EL-HEFNY, A. (2013). 'EFFECT OF CERTAIN PLANT EXTRACTS AS AN ANTIFEEDANT ON BIOCHEMICAL AND BIOTIC POTENTIAL OF THE EUROPEAN CORN BORER', Egyptian Journal of Agricultural Research, 91(4), pp. 1287-1301. doi: 10.21608/ejar.2013.165107
EL-HEFNY, A. EFFECT OF CERTAIN PLANT EXTRACTS AS AN ANTIFEEDANT ON BIOCHEMICAL AND BIOTIC POTENTIAL OF THE EUROPEAN CORN BORER. Egyptian Journal of Agricultural Research, 2013; 91(4): 1287-1301. doi: 10.21608/ejar.2013.165107

EFFECT OF CERTAIN PLANT EXTRACTS AS AN ANTIFEEDANT ON BIOCHEMICAL AND BIOTIC POTENTIAL OF THE EUROPEAN CORN BORER

Article 4, Volume 91, Issue 4, December 2013, Page 1287-1301  XML PDF (362.52 K)
Document Type: Original Article
DOI: 10.21608/ejar.2013.165107
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Author
AMANY S. EL-HEFNY
Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt.
Abstract
Leaves of bestachia and dedonia plants were extracted using two solvents, water and acetone at two concentrations 5 & 10%, and tested under laboratory conditions (32 ±2 °C, 55 – 65% relative humidity) against the third larval instar of the European corn borer, Ostrinia nubilalis (hubn.) [lepidoptera: pyralidae]. Dedonia extract in acetone at 10% concentration achieved the highest efficacy as antifeedant as well as growth inhibitory for O. nubilalis. Among all the extracts bestachia extract in water 10% recorded the lowest rate in food consumption, while bestachia extract in acetone 10% was the least efficacy in conversion the ingested food. Dedonia extract in acetone 10% had the highest effect on larval, pupal and adult durations, pupal weight and percentage of malformed pupae and adults. Some extracts proved to be promising on responses of acetyl choline estrase (Ache), trehalse and protease on 3rd larval instar of O. nubilalis. Generally, plant extracts have an effect on the biochemical responses of O. nubilalis and subsequently it may be considered to be safe and promising agents for the said pest control.
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