哈茨木霉菌与5种杀菌剂对番茄灰霉病菌的协同作用

Synergism of Trichoderma harzianum and five fungicides to Botrytis cinerea

摘要: 采用对峙法、菌丝生长速率法和离体叶片法分别测定了哈茨木霉菌Trichoderma harzianum与5种不同作用机制杀菌剂联用对番茄灰霉病菌Botrytis cinerea的抑制作用。结果表明,联用可增强哈茨木霉菌及啶酰菌胺、嘧菌酯、咯菌腈、氟啶胺和啶菌噁唑5种供试药剂对番茄灰霉病菌的抑制作用,即具有协同作用,因此可考虑将杀菌剂与木霉菌联合用于番茄灰霉病的防治。

Abstract: The inhibitory activity of Trichoderma harzianum combined with five fungicides that have different mechanism to Botrytis cinerea was determined by confrontation method,mycelium growth rate method and detached leaf method.The results showed that the inhibitory activities of T.harzianum combined with boscalid,azoxystrobin,fludioxonil,fluazinam and SYP-Z048 to B.cinerea were all enhanced,which suggested that T.harzianum had synergism with the five fungicides.Therefore,the combined use of T.harzianum and fungicides in controlling B.cinerea is possible.