Efficacy of Rodent Control in Alfalfa and Wheat Crops Using Chemical and Natural Rodenticides
2007
Suzana Đedović | Goran Jokić | Marina Vukša
Biological efficacy of chemical and natural rodenticides 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 m2 plots in compliace 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’s 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 satisfactory efficacy in controlling rodents in alfalfa and wheatcrops. 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, ranging from 86% to 98%.
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