Management of Botrytis blossom blight in wild blueberries by biological control agents under field conditions

Botrytis blossom blight is an important disease of wild blueberries in Canada that causes over 20% yield losses annually. Four trials (2 in each year) were set up in 2015 and 2016 to investigate the efficacy of biofungicides against Botrytis blossom blight in wild blueberry. Botector®, Fracture® and Serenade MAX® were evaluated alone and in rotation with Switch® and compared with a standard control program (Fontelis®, Switch®, and Pristine®)....