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Management of Tribolium castaneum using synergism between conventional fumigant and plant essential oils
International Journal of Tropical Insect Science ( IF 1.1 ) Pub Date : 2020-03-05 , DOI: 10.1007/s42690-020-00131-w
Abdul Khaliq , Muhammad Irfan Ullah , Muhammad Afzal , Sajjad Ali , Asif Sajjad , Akhlaq Ahmad , Samina Khalid

Conventional fumigants, used to control stored grain insect pests, have not only led to environmental and health concerns, but also raised insecticide resistance development in insect pests. Their efficiency is diminishing owing to variable degree of application, accuracy, exposure time, conditions and frequency of usage. Red Flour Beetle (RFB), Tribolium castaneum, is pest of high economic importance in stored grain products. It was trialed for evaluation of entomotoxicity of plant essential oils (Calotropis procera, Azadirachta indica, Eucalyptus camaldulensis, Datura stramonium and Nicotiana tabacum) and phosphine gas at various concentrations alone and synergistically. Results depicted that essential oil of N. tabacum and phosphine gas caused the highest mortality (65% and 80%, respectively) at their highest concentrations (15% and 500 ppm). The highest synergistic toxic effect was observed for N. tabacum and A. indica essential oils at 500 ppm + 15% combination while the least synergistic toxic effect was observed in E. camaldulensis (37% mortality) with respect to the control treatment. Progeny development in the treated RFB females was significantly suppressed by the higher concentrations of plant essential oils and phosphine gas. Similarly, Phosphine combinations with N. tabacum and C. procera significantly suppressed the F1 progeny multifold as compared to control treatment. Eco-friendly biopesticides based on plant extracts or oils, with affirmative synergism, can be integrated as part of management module to control stored grain insect pests for a safer food storage and supply.

中文翻译:

使用常规熏蒸剂和植物精油之间的协同作用管理 Tribolium castaneum

用于控制储粮害虫的常规熏蒸剂不仅导致了环境和健康问题,而且增加了害虫对杀虫剂的抗药性发展。由于应用程度、准确性、曝光时间、条件和使用频率的不同,它们的效率正在下降。Red Flour Beetle (RFB), Tribolium castaneum, 是储藏粮食产品中具有重要经济意义的害虫。它被试验用于评估植物精油(Calotropis procera、印楝、桉树、曼陀罗和烟草)和不同浓度的磷化氢气体单独和协同作用的昆虫毒性。结果表明,烟草精油和磷化氢气体在其最高浓度(15% 和 500 ppm)下导致的死亡率最高(分别为 65% 和 80%)。与对照处理相比,在 500 ppm + 15% 组合下观察到的普通烟草和籼稻精油的协同毒性作用最高,而在 E. camaldulensis 中观察到的协同毒性作用最小(死亡率为 37%)。较高浓度的植物精油和磷化氢气体显着抑制了经过处理的 RFB 雌性的后代发育。类似地,与对照处理相比,磷化氢与普通烟草和 C. procera 的组合显着抑制了 F1 后代的多倍。基于植物提取物或油类的环保生物农药,具有肯定的协同作用,可以作为管理模块的一部分,控制储粮害虫,以实现更安全的食品储存和供应。500 ppm + 15% 组合的籼精油,而在 E. camaldulensis 中观察到的协同毒性作用最小(死亡率为 37%),相对于对照处理。较高浓度的植物精油和磷化氢气体显着抑制了经过处理的 RFB 雌性的后代发育。类似地,与对照处理相比,磷化氢与普通烟草和 C. procera 的组合显着抑制了 F1 后代的多倍。基于植物提取物或油类的环保生物农药,具有肯定的协同作用,可作为管理模块的一部分,控制储粮害虫,实现更安全的食品储存和供应。500 ppm + 15% 组合的籼精油,而在 E. camaldulensis 中观察到的协同毒性作用最小(死亡率为 37%),相对于对照处理。较高浓度的植物精油和磷化氢气体显着抑制了经过处理的 RFB 雌性的后代发育。类似地,与对照处理相比,膦与普通烟草和 C. procera 的组合显着抑制了 F1 后代。基于植物提取物或油类的环保生物农药,具有肯定的协同作用,可作为管理模块的一部分,控制储粮害虫,实现更安全的食品储存和供应。较高浓度的植物精油和磷化氢气体显着抑制了经过处理的 RFB 雌性的后代发育。类似地,与对照处理相比,膦与普通烟草和 C. procera 的组合显着抑制了 F1 后代。基于植物提取物或油类的环保生物农药,具有肯定的协同作用,可作为管理模块的一部分,控制储粮害虫,实现更安全的食品储存和供应。较高浓度的植物精油和磷化氢气体显着抑制了经过处理的 RFB 雌性的后代发育。类似地,与对照处理相比,膦与普通烟草和 C. procera 的组合显着抑制了 F1 后代。基于植物提取物或油类的环保生物农药,具有肯定的协同作用,可作为管理模块的一部分,控制储粮害虫,实现更安全的食品储存和供应。
更新日期:2020-03-05
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