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Results of studies on the control of the green peach aphid (Myzodes persicae Sulz.) and red spider mite (Tetranychus urticae Koch) on Gerbera jamesonii Bolus by selected chemical preparations with reference to their phytotoxicity

, : Results of studies on the control of the green peach aphid (Myzodes persicae Sulz.) and red spider mite (Tetranychus urticae Koch) on Gerbera jamesonii Bolus by selected chemical preparations with reference to their phytotoxicity. Biuletyn Instytutu Ochrony Roslin 54: 223-238

Tests in 1969-70 of 11 preparations for the control Myzus (Myzodes) persicae (Sulz.) on Gerbera jamesonii in Poland gave results similar to those already noticed. Against Tetranychus urticae Koch, the best results were obtained with 0.01% methiocarb (Mesurol), 0.1% phosphamidon (Dimecron) and 0.05% monocrotophos (Azodrin). The best against M. persicae were again 0.05% monocrotophos, 0.1% methiocarb and 0.05% propoxur (Unden).


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