Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.)
Omar, A., Zayed, M. (2021). Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.). EKB Journal Management System, 12(7), 465-471. doi: 10.21608/jppp.2021.188633
A. F. Omar; M. Zayed. "Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.)". EKB Journal Management System, 12, 7, 2021, 465-471. doi: 10.21608/jppp.2021.188633
Omar, A., Zayed, M. (2021). 'Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.)', EKB Journal Management System, 12(7), pp. 465-471. doi: 10.21608/jppp.2021.188633
Omar, A., Zayed, M. Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.). EKB Journal Management System, 2021; 12(7): 465-471. doi: 10.21608/jppp.2021.188633

Bioactivity Impact of Essential Oils Allium sativum L. and Citrus reticulata L. Against Stored Product Insects Tribolium castaneum (Herbst) and Rhyzopertha dominica (F.)

Journal of Plant Protection and Pathology
Article 4, Volume 12, Issue 7, July 2021, Page 465-471  XML PDF (811.96 K)
Document Type: Original Article
DOI: 10.21608/jppp.2021.188633
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Authors
A. F. Omar1; M. Zayed email 2
1Plant Protection Research Institute, Agricultural Research Centre (ARC), Giza, Egypt
2Pesticide Department, Faculty of Agriculture, Damietta University, Damietta, Egypt
Abstract
This study was conducted to estimate the impact of contact and fumigation toxicity of garlic(Allium sativum L.)and mandarin (Citrus reticulata L.) essential oilsagainst two of stored product insects Tribolium castaneum (Herbst) and Rhyzopertha dominica(F.) for 1, 2 and 3 days after exposure under laboratory conditions.  Results showed that garlic was more effective than mandarin, where contact LC50  after 3d was 0.336 mg/mL compared to 5.49 mg/mL for mandarin on T. castaneum (Herbst)  and0.343 mg/mL, 4.130 mg/mL on R. dominica (F.) at the same investigation period. The same trend was observed for fumigation where LC50 of garlicwere 0.789, 0.386 µL /L airagainst T. castaneum (Herbst)  and R. dominica (F.) respectivelyand 7.778, 6.305 µL/L air of mandarin against T. castaneum (Herbst)and  R. dominica (F.) after 3days respectively. Gas chromatography-mass spectrometry (GC-MS) analysis showed that the major compounds of garlic essential oil were diallyl sulfide (9.5%), diallyl disulfide (27.9%),dimethyl tetrasulfide (2.9%), allyl methyl trisulfide (17.7%), and diallyl trisulfide (16.8%). In mandarin the main components were tricarbonyl [methyl 6-vinylidenehepta 2,4-dien-1-oate]iron (52.8 %),  dimethyl hexane ( 15.28%), p-cymene (5.45 %), limonene (3.88 %) and Ɣ terpinene (9.47 %). The results elucidated that, essential oils may be a promising safe alternatives to synthetic chemical insecticides for control stored product insects either by contact or fumigation treatment and compatible with integrated pest management.
Keywords
Essential Oils; Stored Product; Contac; Fumigation; Toxicity
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