Protection of Stored Grain Products by Loading Garlic (Allium sativum) and Parsley (Petroselinum crispum) Essential Oils on Cork Disks | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 1, Volume 13, Issue 2, February 2022, Page 47-54 PDF (899.15 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2022.124365.1062 | ||||
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| Authors | ||||
| Alzahraa A. Elmadawy* ; A. F. Omar | ||||
| Stored Product Pests Department, Plant Protection Research Institute (Sakha, Kafr El-Shiekh), Agricultural Research Center, Egypt | ||||
| Abstract | ||||
| Stored products and commodities are more accessible to get plagued by stored pests during storage period that resulting in damage and losses to stored products. Overuse of insecticides in stored and commodities protection caused environmental risks and economic encumbrances. Therefore, natural products may offer an alternative new way of protection. In this study, garlic (Allium sativum) and parsley (Petroselinum crispum) essential oils that loaded on cork disks were investigated against larvae and adults of both the khapra beetles, Trogoderma granarium and red flour beetles, Tribolium castaneum. The chemical composition of garlic (Allium sativum) and parsley (Petroselinum crispum) essential oils revealed that 1,3,8-p-menthatriene was the primary ingredient (23.34 %) of parsley essential oil, alpha-Terpinene was a small ingredient (1.40 %) of parsley essential oil. While, diallyl disulfide (27.9 %), dialyl tetrasulfide was a minor component (1%) in garlic essential oil. Results showed that cork disks loaded with garlic oil more superior than those loaded with parsley oil against both adult and larvae of the khapra and red flour beetles. However, both tested stages of T. castaneum beetle were more tolerant than those of T. granarium. Also, there was a significant difference between concentrations of each essential oil loaded on cork disks and control treatment, indicating that both essential oils can decline the feeding of larval and adult stages during the exposure time. Finally, the essential oils loaded on disks may be an effective approach to protect stored products (wheat flour and grains) from T. granarium and T. castaneum infestation. | ||||
| Keywords | ||||
| Feeding; Essential oils; cork disks; stored products; Trogoderma granarium; Tribolium castaneum | ||||
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