The author discusses theoretical and practical issues in plant breeding concerning disease resistance, focusing on Puccinia graminis Pers. He critiques current terminology and methodology, proposing “unhostility” over “resistance” in some cases. Subspecies graminis and graminicola are discussed in context of geographic spread and host range.
Urban Z. (1969): Taxonomie der parasitischen Pilze und die Wiederstandsfähigkeit der Kulturpflanzen. – Česká Mykologie 23(4): 236–242.