The fungi Gliocladium roseum, Trichothecium roseum, Trichoderma harzianum, Trichoderma viride, Penicillium cyclopium and Acremoniella atra were isolated from onion bulbs infected with parasitic fungi Botrytis allii, Botrytis cinerea, Botrytis squamosa, Sclerotium cepivorum and Fusarium oxysporum. Some of them exhibited antagonistic effects on the pathogens causing storage rots under in vitro and in vivo conditions.
Ondřej M. (1984): Funde von parasitischen imperfekten Pilzen Cercospora Fres. Aus der Tschechoslowakei (Teil III.). – Česká Mykologie 38(4): 230–234.