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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...

Efficiency of natural substances to protect Beauveria bassiana conidia from UV radiation

Kaiser, Deborah ; Bacher, Sven ; Mène‐Saffrané, Laurent ; Grabenweger, Giselher

In: Pest Management Science, 2019, vol. 75, no. 2, p. 556–563

Solar radiation is assumed to be a major factor limiting the efficacy of entomopathogenic fungi used as biocontrol agents in open field applications. We evaluated 12 natural UV‐protective co‐formulants for their effect on the survival of UV‐ exposed Beauveria bassiana spores on agar plates, colza leaf discs and in the field.RESULTS: Colony‐forming unit (CFU) counts of unformulated...

Immune Reconstitution After Allogeneic Hematopoietic Stem Cell Transplantation and Association With Occurrence and Outcome of Invasive Aspergillosis

Stuehler, Claudia ; Kuenzli, Esther ; Jaeger, Veronika K. ; Baettig, Veronika ; Ferracin, Fabrizia ; Rajacic, Zarko ; Kaiser, Deborah ; Bernardini, Claudia ; Forrer, Pascal ; Weisser, Maja ; Elzi, Luigia ; Battegay, Manuel ; Halter, Joerg ; Passweg, Jakob ; Khanna, Nina

In: The Journal of Infectious Diseases, 2015, vol. 212, no. 6, p. 959-967