Scheper, R., Walter, M., Fisher, B., Johnston, S., Curnow, T., Amponsah, N., Alspach, P., & Hedderley, D. (2017). Resistance of apple and pear rootstocks to <i>Neonectria ditissima</i> and their effect on scion susceptibility. New Zealand Plant Protection, 70, 324. https://doi.org/10.30843/nzpp.2017.70.92