Momento Malum Today Episode 84 Fireblight and French Apples

https://extension.psu.edu/2023-disease-update-scout-for-fire-blight-and-apple-scab-infections
Luby, J. J., Alspach, P. A., Bus, V. G. M., & Oraguzie, N. C. (2002). Field resistance to fire blight in a diverse apple (Malus sp.) germplasm collection. Journal of the American Society for Horticultural Science, 127(2), 245–253. https://doi.org/10.21273/jashs.127.2.245