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Co-formulation of Beauveria bassiana with natural substances to control pollen beetles – Synergy between fungal spores and colza oil

Kaiser, Deborah ; Handschin, Stephan ; Rohr, Rudolf P. ; Bacher, Sven ; Grabenweger, Giselher

In: Biological Control, 2020, vol. 140, p. 104106

Pollen beetles (Brassicogethes spp.) are a major pest in colza (Brassica napus L., also known as oilseed rape) and show increasing resistance to commonly used insecticides. Entomopathogenic fungi (EPF) such as Beauveria bassiana have potential as a sustainable alternative means of control. However, field applications of fungal spores targeting the immigrated beetles on the crop have not been...