Botanical insecticides represent environmentally acceptable alternatives to synthetic products, and botanical insecticides represent environmentally acceptable alternatives to synthetic insecticides, which are regulated in the European Union. Owing to their rapid biodegradation into non-toxic compounds and selectivity toward beneficial organisms, botanical pesticides are well suited for implementation into integrated pest management (IPM) programs. However, the plant protection market includes both effective and ineffective botanical insecticides. In this study, we evaluated the efficacy of nine botanical insecticides sold in the European Union against the aphid Metopolophium dirhodum. The products IPW®, Limocide J®, NATUREN Careo®, Oroganic®, Polysect GYO®, Pyregard®, and Rock Effect New® demonstrated a mortality rate of between 85.33% and 100%. We simultaneously assessed their safety for non-target organisms, specifically, the key aphid predators Aphidoletes aphidimyza and Chrysoperla carnea. All effective products were classified as harmless to A. aphidimyza. NATUREN Careo®, Pyregard®, and Rock Effect New® were also harmless to C. carnea, whereas IPW®, Limocide J®, and Polysect GYO® were slightly harmful, and Oroganic® moderately harmful. These results will contribute to the rational selection of botanical insecticides suitable for use in integrated and ecological plant protection systems. All experiments were conducted under laboratory conditions.
Novák et al. (Sat,) studied this question.
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