Ascosporic infection plays a relevant role in the spread of the disease.
Valentina Manstretta, Vittorio Rossi 2015, 'Effects of Weather Variables on Ascospore Discharge from Fusarium graminearum Perithecia.',PLoS ONEhttp://europepmc.org/articles/PMC4581667?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)