A., M., I., A., L., M. (2019). Protection of Irradiated Stored Maize against Angoumois Grain Moth, Sitotroga cerealella (S) And Zea Weevil, Sitophilus zeamais (L) by Using some Botanical Oils. test, 11(3), 15-27. doi: 10.21608/eajbsf.2019.54811
Mikhaiel A. A.; Attia A. I.; Mehany A. L.. "Protection of Irradiated Stored Maize against Angoumois Grain Moth, Sitotroga cerealella (S) And Zea Weevil, Sitophilus zeamais (L) by Using some Botanical Oils". test, 11, 3, 2019, 15-27. doi: 10.21608/eajbsf.2019.54811
A., M., I., A., L., M. (2019). 'Protection of Irradiated Stored Maize against Angoumois Grain Moth, Sitotroga cerealella (S) And Zea Weevil, Sitophilus zeamais (L) by Using some Botanical Oils', test, 11(3), pp. 15-27. doi: 10.21608/eajbsf.2019.54811
A., M., I., A., L., M. Protection of Irradiated Stored Maize against Angoumois Grain Moth, Sitotroga cerealella (S) And Zea Weevil, Sitophilus zeamais (L) by Using some Botanical Oils. test, 2019; 11(3): 15-27. doi: 10.21608/eajbsf.2019.54811

Protection of Irradiated Stored Maize against Angoumois Grain Moth, Sitotroga cerealella (S) And Zea Weevil, Sitophilus zeamais (L) by Using some Botanical Oils

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
Article 2, Volume 11, Issue 3, December 2019, Pages 15-27    PDF (1.17 M)
Document Type: Original Article
DOI: 10.21608/eajbsf.2019.54811
Authors
Mikhaiel A. A.1; Attia A. I.1; Mehany A. L.2
1Biological Application Department, Nuclear Research Center -, Atomic Energy Authority.P.O .Box 13759, Abo-Zaabal, Egypt
2Plant Research Department, Nuclear Research Center -, Atomic Energy Authority.P.O .Box 13759, Abo-Zaabal, Egypt
Abstract
The 3KGy dose caused complete mortality for Sitophilus  zeamais adults 48h post-irradiation. The eggs of Sitotroga  cerealella failed to hatch at both doses 1.5&3KGy. Usually the newly hatched larvae from irradiated eggs with 0.75 KGy died soon after hatching without passing through metamorphosis.  Different concentrations (0.5, 1, 2, 4 and 8 %) from four selected oils of onion, clove, and orange were tested for their toxicity activity against eggs and weevils. Experiments conducted revealed that garlic oil at 4% concentration was more efficient against the adult weevil than the egg moth and exposure period 48h, which gave 100% and 76.66 % mortality, respectively. It was noticed that the same trend of toxicity for the three other oils held for both species. The reduction in the percent eggs hatched; pupation and emergence were directly proportional to the level of concentrations of tested oils and the time of exposure. Also, the reduction in the F1 progeny weevils was positively correlated with concentration and exposure time. It is possible using both favorite oils garlic and clove at LC95% to spraying polypropylene sacs for protection irradiated maize grains with a dose 3KGyfrom reinfestation by the tested insect within the storage period tested.
Keywords
gamma radiation; plant oils; stored maize; Sitotroga cerealella; Sitophilus zeamais
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