Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ruggine della barbabietola-it#Sense
Rübenrost-de#Sense
Roya de la remolacha-es#Sense
Uromyces betae-la#Sense
Mangold and beet rust-en#Sense
Rouille de la betterave-fr#Sense