2013•Shanxi nongye kexueRequires access

Antagonism of Trichoderma harzianum NF9 and Trichoderma virens TY against Three Plant Fungous Pathogens

Zhang Zuo-gang

Abstract

The fungous Trichoderma is an important microorganism in the biological control of plant diseases.The antagonism of Trichoderma harzianum NF9 and Trichoderma virens TY against three soil-borne plant fungous pathogens,Fusarium oxysporum Schl.f.sp.cucumerin Owen,Sclerotium rolfsii and Fusarium oxysporum Schl.f.sp.niveum,were tested in vitro by dual-culture.The result showed that two Trichoderma isolates had antagonism effect on the tested pathogens,and Trichoderma harzianum NF9 was better than Trichoderma virens TY in antagonism effect.

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Key concepts: Trichoderma harzianum, Antagonism, Trichoderma, Sclerotium, Fusarium oxysporum, Biology, Biological pest control, Horticulture