Bioefficacy of Trichoderma harzianum and Trichoderma viride against Fusarium oxysporum f. sp. capsici causing wilt disease in chilli

Abstract

Trichoderma harzianum and Trichoderma viride were tested for their bioefficacy against Fusarium oxysporum f.sp. capsici in green house conditions. Talc based and liquid formulations of 1% each were prepared and evaluated. Among the various treatments, 1% talc based formulation of T. harzianum significantly reduced the wilt disease as 87.5 percent followed by 1% talc based formulation T. viride as 83.93 percent. 1% talc based formulation of T. harzianum has also recorded maximum germination along with enhanced plant height, root length and yield. Based on these observations, it is rated as “Highly Efficient”. The maximum 35.27% wilt incidence was observed in untreated control.