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Sadin, Yuliana Ivantri
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Agriculture, Biological Sciences & Forestry

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Efektivitas Biofungisida Jamur Trichoderma harzianum dan Trichoderma koningii dengan Berbagai Dosis terhadap Intensitas Serangan Penyakit Layu Jamur Fusarium dan Pertumbuhan Vegetatif pada Tanaman Cabai Merah (Capsicum annum L.) Sadin, Yuliana Ivantri; Marhaeni Julyasih, Ketut Srie; Manalu, Jean Nihana
JURNAL AGROPLASMA Vol 12, No 2 (2025): Vol 12, No 2 (2025): (JURNAL AGROPLASMA VOLUME 12 NO 2 TAHUN 2025)
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v12i2.8121

Abstract

This study focuses on controlling Fusarium wilt disease in red chili plants, a common horticultural crop in Indonesia. The disease caused by Fusarium pathogens poses challenges to farmers. An alternative control method is the use of biofungicides derived from fungi Trichoderma harzianum and Trichoderma koningii. The research was conducted at two different locations, including the isolation of Fusarium pathogens and identification of  Trichoderma fungi. The multiplication of  T. harzianum and  T. koningii was carried out on a rice medium at the Agensia Hayati / Botanical Pesticide Laboratory in Biaung. Seedling planting and biofungicide application took place at the Agensia Hayati Laboratory field, Jalan Tegal Harum, Gang Sakura, Biaung, East Denpasar District, Denpasar City, Bali, from May to August 2025.The experimental design used was a Completely Randomized Design (CRD) with 7 treatments and 5 replications. Treatments included a control (0 grams) and biofungicide doses of 10, 20, and 30 grams for both T. harzianum and T. koningii. Statistical analysis using one-way ANOVA showed significant differences (p<0.05) among treatments in reducing Fusarium wilt disease intensity. The highest dose of 30 grams of both biofungicides was the most effective, achieving 100% disease suppression 28 days after treatment. Additionally, the biofungicide application showed significant effects on the number of leaves at 7 days after treatment and plant height at 28 days after treatment. These results indicate that biofungicides from T. harzianum and T. koningii can be used as an environmentally friendly and sustainable alternative to control Fusarium wilt in red chili plants. Keywords: Fusarium Wilt, red chili pepper, Trichoderma harzianum, Trichoderma koningii
Efektivitas Biofungisida Jamur Trichoderma harzianum dan Trichoderma koningii dengan Berbagai Dosis terhadap Intensitas Serangan Penyakit Layu Jamur Fusarium pada Tanaman Cabai Merah (Capsicum annum L.) Sadin, Yuliana Ivantri; Julyasih, Ketut Srie Marhaeni; Manalu, Jean Nihana
JURNAL AGROPLASMA Vol 12, No 2 (2025): Vol 12, No 2 (2025): (JURNAL AGROPLASMA VOLUME 12 NO 2 TAHUN 2025)
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v12i2.8288

Abstract

Red chili is a horticultural crop that is already widely cultivated in Indonesia. The main constraint faced by farmers is the attack of plant pests, namely Fusarium wilt disease. One alternative control method is the use of biofungicides containing the fungi T. harzianum and T. koningii. This research was conducted in two different locations: isolation of the pathogenic fungus Fusarium, identification of Trichoderma fungi, and mass production of T. harzianum and T. koningii using rice medium at the Biological Agents / Botanical Pesticides Laboratory, Biaung. The planting of red chili seedlings and the application of biofungicides were carried out in the field of the Biological Agents / Botanical Pesticides Laboratory on Jalan Tegal Harum, Gang Sakura, Biaung, East Denpasar District, Denpasar City, Bali, from May to August 2025. The experimental design used was a Completely Randomized Design (CRD) with 7 treatments and 5 replications. The treatments were: 0 grams of biofungicide of T. harzianum and T. koningii fungi, a dose of 10 grams, a dose of 20 grams, a dose of 30 grams of T. harzianum biofungicide, and doses of 10 grams, 20 grams, and 30 grams of T. koningii biofungicide. Statistically, the application of different doses of T. harzianum and T. koningii biofungicides produced a significant difference in suppressing the intensity of Fusarium wilt disease, as shown by the one-way ANOVA test (p<0.05). The use of T. harzianum and T. koningii biofungicides at a dose of 30 grams proved effective against Fusarium wilt, with the level of suppression reaching 100% after four weeks of application. Keywords: Fusarium Wilt, red chili pepper, Trichoderma harzianum, Trichoderma koningii.
Co-Authors Ketut Srie Marhaeni Julyasih Manalu, Jean Nihana Marhaeni Julyasih, Ketut Srie