The Bossier cultivar is susceptible to the race 4 C.
sojina fungus, while ‘Cristalina’, ‘Parana’ and ‘Uberaba’
are resistant to it.Anumber of allelism tests involving these
resistant cultivars and/or their resistant progenitors indicate
that they harbor the same resistance locus, Rcs3, which is
also present in cultivar Davis .