Efficacy of rodent control in alfalfa and wheat crops using chemical and natural rodenticides
Jokic, G., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Vuksa, M., Institute of Pesticides and Environmental Protection, Belgrade (Serbia) | Djedovic, S., Institute of Pesticides and Environmental Protection, Belgrade (Serbia)
Biological efficacy of chemical and natural rodenticies in controlling rodents in alfalfa and wheat crops was investigated. The experiment was set up using a randomized block design with four replicates and 400 square meter plots in compliance with a standard OEPP/EPPO method. Examination was based on the average number of active holes and rodenticide efficacy was measured three, seven, 14 and 28 days after treatment. Rodent numbers were computed from the number of active holes, and rodenticide efficacy using Abbott formula. The appearance and arrangement of active holes indicated the presence of common vole (Microtus arvalis Pall) and striped field mouse (Apodemus agrarius) in the plots. The products tested demonstrated satisfatory efficacy in controlling rodents in alfalfa and wheat crops. Products based on vitamin D3 achieved 87-90%% efficacy in both crops. The efficacy of a bromadiolone-based product ranged from 84% to 90%, while a cellulose product displayed the highest variation in efficacy, ranged from 86% to 98%.
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