Scheper, R. W., Fisher, B. M., Bowen, J. K., Amponsah, N. T., & Hedderley, D. I. (2019). Successive passaging through an apple host of six low-virulent Neonectria ditissima isolates increased virulence in one of them. New Zealand Plant Protection, 72, 103-116. https://doi.org/10.30843/nzpp.2019.72.300