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All Journal Plantropica: Journal of Agricultural Science Jurnal Biologi Tropis Media Pertanian Asian Journal of Community Services (AJCS)
Benatar, Gilang Vaza
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Education Immunology & microbiology Social Sciences

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The Viability of Indigenous Rhizosphere Fungi of Kirinyuh (Chromolaena odorata) as a Biofungicide for Controlling Anthracnose in Red Chili (Capsicum annuum L.) Aji, Aji; Sidiq, Roni Maulana; Agustin, Gina Sonia; Sari, Serly Marsita; Hamdayani, Annisa; Benatar, Gilang Vaza
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8576

Abstract

Anthracnose disease caused by Colletotrichum spp. has reduced red chili production in Indonesia, thus requiring control measures that can suppress anthracnose in a more environmentally friendly manner. This research aims to explore the potential of rhizosphere fungi from kirinyuh as a biological agent in controlling anthracnose disease in red chili peppers. (Capsicum annuum L.). Isolates found in the rhizosphere of kirinyuh were identified and then tested for hypersensitivity, in vitro, and in vivo. Eleven rhizosphere fungal isolates from kirinyuh were suspected to belong to the genera Penicillium, Blastomyces, Sepedonium, Aspergillus, Tricladium, and Rhizoctonia, and did not show pathogenicity traits on plants based on hypersensitivity tests. The results of in vitro tests show that the isolate with code CRKF can suppress the growth of Colletotrichum by up to 46%. Meanwhile, in in vivo tests, the CRKA isolate (Penicillium) was able to reduce the intensity of attacks by 13%, the CRKH isolate effectively reduced fruit shrinkage, and the CRKI isolate was proven to slow down the incubation period by up to 4 HSI.
Binding Affinity of Potato, Cassava, and Purple Yam Phytochemicals to Fusarium Proteins: Insights from Molecular Docking Benatar, Gilang Vaza; Hakim, Abdul; Anisah, Siti Nur; Sidiq, Roni Maulan; Tarigan, Rafif Naufal Assadel
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10096

Abstract

Fusarium species are destructive plant pathogens responsible for severe crop losses thereby posing a critical threat to global food security. Sustainable strategies to control Fusarium-induced diseases are urgently needed due to limitations of synthetic fungicides. This study investigated the interaction of phytochemicals from potato (Solanum tuberosum), cassava (Manihot esculenta), and purple yam (Dioscorea alata) with three Fusarium proteins: LaeA, Pep2, and VeA. Protein structures were modeled and validated using stereochemical analyses, followed by molecular docking with representative metabolites, including pyrogallol, cyclogallipharaol, scopoletin, linamarin, cyanidin-3-glucoside, and peonidin-3-glucoside. Docking results showed that potato metabolites exhibited moderate binding activity, cassava metabolites displayed broader inhibitory potential, and purple yam anthocyanins demonstrated the strongest affinities (–6.7 to –7.4 kcal/mol) through multiple hydrogen bonds, hydrophobic contacts, and electrostatic interactions. Among the targets, Pep2 showed consistently stable interactions, while LaeA and VeA exhibited greater flexibility but remained responsive to anthocyanins. These findings highlight the potential of edible crop-derived phytochemicals, particularly anthocyanins and scopoletin, as eco-friendly antifungal agents. The structural basis provided here supports future experimental validation and the development of sustainable crop protection strategies.
Molecular Mechanism of Trichoderma harzianum Secondary Metabolites in Inhibiting Cellulase Protein of Colletotrichum capsici Benatar, Gilang Vaza; Nurhayati, Yeyet; Ridwan, Nur Fathurahman; Aisyah, Aisyah
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.8475

Abstract

Fungal diseases in agriculture pose significant challenges to food security, necessitating sustainable biocontrol solutions. Trichoderma harzianum, a biocontrol agent, exhibits potent antifungal properties through its secondary metabolites. This study investigates the inhibitory mechanism of T. harzianum metabolites on the cellulase protein of Colletotrichum capsici, the causative agent of chili anthracnose, using molecular docking and dynamics simulations. The cellulase protein, crucial for plant cell wall degradation, was modeled through homology techniques, and its interactions with T, harzianum metabolites—cyanuric chloride, palmitinic acid, and massoia lactone—were analyzed. Massoia lactone demonstrated the highest inhibitory potential, with stable binding interactions confirmed through molecular dynamics. These findings provide insights into developing environmentally sustainable antifungal strategies. Further research is recommended to optimize the application of T. harzianum metabolites as biopesticides.
Sub-Optimal Dry Land Management: Potential for Local Food Cultivation of Dioscorea sp. (Gembili) to mitigate food security in Sukoharjo Regency, Central Java Fitria, Anita Dwy; Helbawanti, Octaviana; Yuliyani, Leny; Nuryaman, Hendar; Hakim, Abdul; Benatar, Gilang Vaza
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Land in Tawangsari District, Sukoharjo Regency had a limiting factor in the form of water availability. One of the local commodities cultivated for generations on dry land in this region is gembili (Dioscorea sp.). However, the gembili cultivation process has not produced optimal productivity and is threatened with extinction. Therefore, gembili cultivation and use of dry land need to be optimized by carrying out integrated land management. The aim of utilizing dry land is to increase local food production and sustainability as alternative food and maintain national food security. This research was conducted using data on productivity, quantity and type of fertilizer obtained through interviews with gembili farmers and secondary data on soil types obtained from BPP Tawangsari District, Sukoharjo Regency. The results showed that grumusol and lithosol soil types had no significant effect (p > 0.05) on gembili productivity. Providing organic + inorganic fertilizer with giving organic fertilizer without a combination produced values that were not significantly different (p > 0.05). However, the average productivity results were sequentially from grumusol and lithosol (6.1 ton.ha-1 and 7.1 ton.ha-1). Meanwhile, the use of organic fertilizer is 8.06% higher compared to organic fertilizer + inorganic fertilizer. The results of the multiple regression test for organic fertilizer had a significant effect (p < 0.05) on the productivity of Dioscorea sp..
UJI DAYA HAMBAT EKSTRAK ETANOL ALANG-ALANG, TEKI, DAN BABADOTAN TERHADAP PATOGEN ANTRAKNOSA CABAI MERAH Rosdiana, Diana; Owliyah, Silviyanti Nur; Rahmawati, Dea; Gunawan, Dzikri; Mufid, Farhan Zuhair; Benatar, Gilang Vaza
Media Pertanian Vol 9, No 1 (2024): Media Pertanian
Publisher : Program Studi Agroteknologi Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/mp.v9i1.8981

Abstract

Colletotrichum sp., agen penyebab patogen antraknosa, merupakan salah satu ancaman prominen dalam konteks budidaya cabai karena mampu mengurangi produktivitas secara substansial. Kerugian hasil panen bisa mencapai 90%, terutama pada masa musim hujan. Penelitian ini bertujuan untuk mengevaluasi efikasi ekstrak fitokimia dari Cyperus rotundus L., Imperata cylindrica L., dan Ageratum conyzoides L. terhadap Colletotrichum sp., patogen penyebab antraknosa pada cabai merah, baik dalam skala in vitro maupun in vivo. Penelitian dilaksanakan di Laboratorium Proteksi Tanaman dan Laboratorium Mikrobiologi, Fakultas Pertanian, Universitas Siliwangi, sejak Juni hingga Oktober 2023. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 6 perlakuan dan 4 kali pengulangan, termasuk kontrol (aquades), fungisida mankozeb, ekstrak Imperata cylindrica, Cyperus rotundus, Ageratum conyzoides, dan kombinasi ekstrak. Hasil penelitian menunjukkan bahwa semua ekstrak mampu menghambat pertumbuhan Colletotrichum sp., dengan ekstrak dari Cyperus rotundus menunjukkan efikasi paling tinggi dalam uji in vivo dengan mengurangi intensitas serangan dan penurunan berat buah sebesar masing-masing 16,7% dan 1,47%. The Colletotrichum sp., instigator of anthracnose disease, poses a pivotal threat in chili cultivation, as it can significantly diminish productivity. This malady could result in yield losses up to 90%, particularly during rainy seasons. The aim of this investigation is to assess the efficacy of extracts derived from Cyperus rotundus L. (nut grass), Imperata cylindrica L. (cogongrass), and Ageratum conyzoides L. (billygoat weed) against Colletotrichum sp., the causal agent of red chili anthracnose, both in vitro and in vivo. The study was conducted at the Plant Protection Laboratory and Microbiology Laboratory, Faculty of Agriculture, Siliwangi University, from June to October 2023. A Completely Randomized Design (CRD) encompassing 6 treatments with 4 replications was employed, with treatments including control (distilled water), the fungicide mancozeb, cogongrass extract, nut grass extract, billygoat weed extract, and a combination thereof. Test results revealed that all extracts exhibited suppressive effects on Colletotrichum sp., with nut grass extract proving most effective in the in vivo assay, reducing disease intensity and fruit weight loss by 16.7% and 1.47%, respectively. 
Optimizing Agricultural Cultivation, Fisheries, Processed Products and Marketing in Mugarsari Urban Village of Tasikmalaya City through Innovative and Sustainable Approaches Suhardjadinata, Suhardjadinata; Juhaeni, Ade Hilman; Benatar, Gilang Vaza; Salam, Rudhiana
Asian Journal of Community Services Vol. 3 No. 2 (2024): February 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ajcs.v3i2.6744

Abstract

The optimalisation of agricultural cultivation, fisheries, processed products, and marketing in Mugarsari urban village of Tasikmalaya city aims to increase productivity, quality, and marketability of agricultural and fishery products in Mugarsari village through innovative and sustainable approaches. Innovative approaches include the application of new technologies and methods in agricultural cultivation and fisheries, while sustainable approaches involve the use of environmentally friendly technologies and resource management. The results of this optimization process are expected to be increased productivity and quality of agricultural and fishery products in Mugarsari village, as well as increased income for local farmers and fishers through improved marketing. Additionally, this optimization process is expected to have a positive impact on the environment through the application of environmentally friendly technologies and resource management.
Optimization of Vacant Land Utilization through Moringa Cultivation and Moringa Tea Production as a Source of Food and Income for the Cilembang Community, Tasikmalaya Priyadi, Rudi; Nuryati, Rina; Faqihuddin, Faqihuddin; Juhaeni, Ade Hilman; Benatar, Gilang Vaza
Asian Journal of Community Services Vol. 3 No. 9 (2024): September 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ajcs.v3i8.11232

Abstract

The moringa plant, often called a miracle tree, has long been valued for its medicinal and industrial uses. This community service project aimed to educate students at the Murottalul Quran Al Muminun Islamic boarding school and residents of Cilembang about the benefits of moringa, focusing on its cultivation and processing into nutritious, high-value moringa tea. The program sought to improve health, boost local economies, and encourage better use of natural resources. Activities included training on moringa cultivation, tea production, and ongoing evaluation. The project aimed to optimize vacant land use, enhance community health, support environmental sustainability, and create new economic opportunities in Cilembang, Tasikmalaya.
Co-Authors Abdul Hakim Agustin, Gina Sonia Aisyah Aisyah Aji, Aji Anisah, Siti Nur Faqihuddin, Faqihuddin Fitria, Anita Dwy Gunawan, Dzikri Hamdayani, Annisa Helbawanti, Octaviana Hendar Nuryaman Juhaeni, Ade Hilman Mufid, Farhan Zuhair Nurhayati, Yeyet Owliyah, Silviyanti Nur Rahmawati, Dea Ridwan, Nur Fathurahman Rina Nuryati, Rina Rosdiana, Diana Rudi Priyadi Salam, Rudhiana Sari, Serly Marsita Sidiq, Roni Maulan Sidiq, Roni Maulana Suhardjadinata, Suhardjadinata Tarigan, Rafif Naufal Assadel Yuliyani, Leny