1. Institute of Vegetable Science, Life Science Center Weihenstephan, TUM, Dürnast 2, 85350 Freising, Germany, Isarlab Systems, Birkenweg 9, 86441 Zusmarshausen, Germany, Allga Pharma Am Anger 8, 87538 Fischen, Germany, and Institute of Phytopathology, Life Science Center Weihenstephan, TUM, Am Hochanger 2, 85350 Freising, Germany