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El-Arnaouty, S., Eweis, E., Haddad, H. (2010). EFFICIENCY OF CERTAIN PLANT EXTRARACTS ON Aphis craccivoa koch. AND Chrysoperla carnea (STEPH) IN SOUTHERN VALLEY, EGYPT.. Journal of Plant Protection and Pathology, 1(8), 627-633. doi: 10.21608/jppp.2010.86919
S. A. El-Arnaouty; E. A Eweis; H. A Haddad. "EFFICIENCY OF CERTAIN PLANT EXTRARACTS ON Aphis craccivoa koch. AND Chrysoperla carnea (STEPH) IN SOUTHERN VALLEY, EGYPT.". Journal of Plant Protection and Pathology, 1, 8, 2010, 627-633. doi: 10.21608/jppp.2010.86919
El-Arnaouty, S., Eweis, E., Haddad, H. (2010). 'EFFICIENCY OF CERTAIN PLANT EXTRARACTS ON Aphis craccivoa koch. AND Chrysoperla carnea (STEPH) IN SOUTHERN VALLEY, EGYPT.', Journal of Plant Protection and Pathology, 1(8), pp. 627-633. doi: 10.21608/jppp.2010.86919
El-Arnaouty, S., Eweis, E., Haddad, H. EFFICIENCY OF CERTAIN PLANT EXTRARACTS ON Aphis craccivoa koch. AND Chrysoperla carnea (STEPH) IN SOUTHERN VALLEY, EGYPT.. Journal of Plant Protection and Pathology, 2010; 1(8): 627-633. doi: 10.21608/jppp.2010.86919

EFFICIENCY OF CERTAIN PLANT EXTRARACTS ON Aphis craccivoa koch. AND Chrysoperla carnea (STEPH) IN SOUTHERN VALLEY, EGYPT.

Article 6, Volume 1, Issue 8, August 2010, Page 627-633  XML PDF (375.91 K)
Document Type: Original Article
DOI: 10.21608/jppp.2010.86919
Authors
S. A. El-Arnaouty1; E. A Eweis1; H. A Haddad2
1Dept. Economic Entomology and pesticides, Fac. Agric., Cairo Univ.
2Center of Bio-Organic Agricultural Services, Aswan, Egypt
Abstract
Two plants; Hyoscyamus muticus and Ambrosia maritime were chosen in order to investigate the toxticty of their leave, stem, flower or root extracts (using ethanol, acetone, chloroform and hexane) to nymph and adults of Aphis craccivora and its predator Chrysoperla carnea. The plant extracts were treated using direct spraying on infested bean seedlings. The results showed that for the two plant species, high concentration of leave extract in ethanol and acetone gave a high mortality rate after 24 and 48 h. For the flower extracts, high concentration in ethanol and chloroform resulted as well in high mortality rate of the pest after 24 and 48 h. As far as the root extracts are concerned only H.muticus at a high concentration in ethanol gave high mortality rate after 24 and 48 h. For the stem extracts, only H.muticus, at a high concentration in hexane resulted in a high mortality rate after 24 and 48 h. Moreover these high plant extract concentration were not detrimental Ch. carnea and thus can be considered as safe adjuvant in the prospect of integrated pest control.
Keywords
Plant extract; Aphis craccivora Koch; Chrysoperla carnea (Steph.)
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