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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal)
Herfandi Lamdo
Politeknik Negeri Lampung
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THE POTENTIAL OF TRICHODERMA BIOCONTROL AGENTS FOR INCREASING THE PRODUCTION OF SOYBEAN PLANTS RESISTANT TO SOYBEAN MOSAIC VIRUS Annisa’ Indah Setyawati; Herfandi Lamdo; Indah Hafidhotun Nisa
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.4077

Abstract

SMV infection at early growth stages can reduce crop productivity by 25.48% to 93.84%. Viral infections may reduce plant growth due to disruptions in physiological processes and photosynthetic output, hormonal imbalances, and decreased nutrient uptake, ultimately preventing the plant from growing optimally. The research was conducted at the Experimental Field and Basic Science Laboratory of the Faculty of Agricultural Technology, Satu Nusa Lampung University, as well as the Analysis Laboratory of Politeknik Negeri Lampung, from May to August 2025. The method used in this research was an experimental method. The study employed a Randomized Complete Block Design (RCBD) with the following treatments: T0 = Control, T1 = 10 ml Trichoderma solution, T2 = 20 ml Trichoderma solution, T3 = 30 ml Trichoderma solution, T4 = 40 ml Trichoderma solution,T5 = 50 ml Trichoderma solution per plant (with a spore concentration of 1 ml T. asperellum = 46.5 × 10² spores). Result Based on the study of the potential of Trichoderma asperellum in enhancing the resistance of soybean plants infected with SMV, it can be concluded that the 50 ml T. asperellum treatment showed the best results, with an incubation period of 18 days after inoculation (DAI), disease severity of 14%, and a plant resistance rating categorized as resistant to SMV. The highest yield increase was also recorded in the 50 ml Trichoderma treatment (T5), reaching 77.45%.
EFFECTIVENESS OF LIQUID ORGANIC FERTILIZER APPLICATION WITH TRICHODERMA BIOACTIVATOR ON ENHANCING GROWTH AND PRODUCTION OF SWEET CORN RESISTANT TO DOWNY MILDEW DISEASE Ansyori; Herfandi Lamdo
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.4142

Abstract

Sweet corn is an important food commodity after rice. The production of sweet corn in Indonesia is 8.31 tons per hectare, while its potential is 18–25 tons per hectare. Low sweet corn production is caused by excessive use of inorganic fertilizers and downy mildew disease attacks, which can reduce harvest yields by 50–100%. This study aims to determine the effectiveness of applying liquid organic fertilizer (LOF) made from organic waste with the bioactivator Trichoderma using a Tiered Bucket System to improve the growth and production of sweet corn, as well as its resistance to downy mildew disease. The study was conducted at the Experimental Garden of the Faculty of Agricultural Technology, Universitas Satu Nusa Lampung. The experiment used a two-factor completely randomized block design (CRBD). The first factor was LOF produced through anaerobic (A1) and aerobic (A2) fermentation using the Tiered Bucket System. The second factor was LOF fermentation treatments without bioactivator (T0); with Trichoderma bioactivator at 15 mL/L (T1), 20 mL/L (T2), 25 mL/L (T3), 30 mL/L (T4); and EM4 bioactivator at 30 mL/L (Em) as a comparison. Trichoderma at 30 mL/L (T4) consistently gave the best results in improving growth, production yield, chlorophyll content, and resistance to downy mildew disease in sweet corn plants. Treatment T4 produced the highest chlorophyll content and the lowest disease intensity, indicating healthier plants with better tolerance to biotic stress. Aerobic fermentation was more effective than anaerobic in improving LOF quality and bioactivator effectiveness. Although EM4 also showed benefits, it was less effective than Trichoderma, especially in suppressing downy mildew disease. The use of LOF with Trichoderma bioactivator and aerobic fermentation is highly recommended to sustainably improve sweet corn productivity and disease resistance.
Co-Authors Annisa’ Indah Setyawati Ansyori, Ansyori Indah Hafidhotun Nisa