The Effectiveness of Trichoderma viride in suppressing stem rot (Sclerotium rolfsii) and enhancing growth and yield of porang

Authors

Keywords:

Porang, Sclerotium Rolfsii, Stem rot, Trichoderma viride

Abstract

Porang is a commodity that commands a high price due to the numerous benefits of its tubers. Root rot caused by Sclerotium Rolfsii is one of the main diseases affecting porang. One control measure that can be implemented is the use of the biological agent Trichoderma Viride. The aim of this study is to determine the most effective dose of T. viride in a solid formulation for controlling stem rot caused by S. rolfsii. This research was conducted at the Forecasting for Plant Pest Organisms facility in Jatisari, Karawang, from September 2021 to April 2022. The research design employed was a Completely Randomized Block Design (CRBD) with a single factor. The doses used were 0 (as control), 50, 75, 100, 125, and 150 grams per plant. T. viride was propagated using rice as the medium. The study involved six doses of T. viride in a solid formulation with four replications. Data analysis was performed using ANOVA at a 5% significance level, followed by DMRT at the same level. T. viride at a dose of 150 grams per plant resulted in the best suppression of root neck rot intensity at 69.17% and suppression of tuber rot percentage at 69.46%. The application of T. viride was able to increase the growth and yield of porang.

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