It has been shown that Candida valida,
Rhodotorula glutinis, and Trichosporon asahii, isolated from sugar
beet rhizospheres, possess biocontrol activity against Rhizoctonia solani, a soil-borne fungal plant pathogen that causes root
diseases . The yeast Cryptococcus laurentii, in
combination with IAA, was shown to inhibit gray mold, Botrytis cinerea, in harvested apple fruit . The yeast
Rhodotorula glutinis ySL 30 was shown to inhibit Botrytis cinerea
. The biological control by the yeast Torulaspora globosa against Colletotrichum sublineolum in sorghum
was evaluated, and one strain of T. globosa exhibited killer activity against two sensitive strains of C. sublineolum, which is a novel capacity for T. globosa resulting in hyphal deformities
but not cell death