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All Journal Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Makara Journal of Science
Kusnanda, Prima Sekti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management

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The Potency of Organic Fertilizer in Reducing Leaf Curl Disease on Chili (Capsicum annuum L.): Potensi Pupuk Organik Dalam Mengurangi Penyakit Keriting Daun Pada Cabai (Capsicum annuum L.) Subiastuti, Aprilia Sufi; Windianingsih, Diah Fitri; Noviyani, Pipit; Kusnanda, Prima Sekti
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Vol. 12 No. 1 (2025)
Publisher : Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jbekh.v12i1.418

Abstract

Chili is an essential commodity in Indonesia, with demand continuing to rise; however, its production is often disrupted by leaf curl disease caused by viruses. One potential solution is using organic fertilizer enriched with beneficial microbes such as Plant Growth-Promoting Microorganisms (PGPM). Despite its potential, the role of PGPM in controlling viral diseases in chili plants has been rarely studied. This study aims to explore the effectiveness of organic fertilizer in reducing leaf curl infections by improving plant health. Two chili cultivars were used: 'Gama LBF' (a breeding product of PIAT UGM) and 'Ponirun' (a commercial variety known for its disease resistance). The chili plants were treated with various concentrations of organic fertilizer, and their effectiveness was evaluated based on disease incidence (the number of symptomatic plants) and disease severity (the level of visual symptoms), which were then converted into an index. Results showed that the 75% concentration yielded the lowest disease incidence in both cultivars—26.5% for 'Ponirun' and 42.85% for 'Gama LBF'. The lowest disease severity was also observed at the 75% concentration for 'Ponirun' and 50% for 'Gama LBF'. These findings highlight the importance of selecting the appropriate organic fertilizer concentration to suppress leaf curl disease in chili effectively.
Inter-Simple Sequence Repeats Application on the Identification of Genetic Variation of a New Indonesian Melon Cultivar “Melona” Salsabila, Tantri Ajeng Salma; Yusuf, Adib Fakhruddin; Wibowo, Wiko Arif; Kusnanda, Prima Sekti; Daryono, Budi Setiadi
Makara Journal of Science Vol. 29, No. 1
Publisher : UI Scholars Hub

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Abstract

The field of identification of molecular markers has seen significant advancements, with the Inter-Simple Sequence Repeat (ISSR) emerging as a prominent tool for characterizing genetic variation within species. This study focuses on the new Indonesian melon cultivar “Melona,” developed through selective breeding of commercial melons. This study aimed to assess the utility of ISSR markers in evaluating the genetic variation and stability of the “Melona” cultivar. Comparisons were made with established cultivars—‘Inthanon,” “Rich Sweetness,” “Chamoe,” and “Hikapel”—using five ISSR primers: UBC 807, UBC 808, UBC 810, UBC 812, and UBC 826. A total of 70 DNA fragments with a high polymorphism rate were produced, thereby providing insight into phenetic relationships among the cultivars with simi-larity indices <70%. These genetic distinctions were corroborated through morphological evaluations. These findings indicate that ISSR markers effectively reveal genetic variation within species, offering a practical approach for devel-oping new plant varieties in the Cucurbitaceae family.
Initiating Sustainable Agriculture through Local ‘Sleman’ Longan Cultivation and Stingless Beekeeping in the Sinduadi Farmers Group Yusuf, Adib Fakhruddin; Sartika, Dian; Latifah, Vida Rahma; Putro, Karso Suryo; Rachmawati, Novia Noor; Kusnanda, Prima Sekti; Putri, Tiara Amelia; Daryono, Budi Setiadi; Joko, Tri; Sudaryadi, Ignatius
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 12, No 1 (2026): Maret
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.97885

Abstract

Sinduadi Village, located in Mlati Subdistrict, Sleman Regency, Special Region of Yogyakarta, Indonesia, is home to several active horticultural farmer groups. Among their commodity crops, longan cultivation in Sinduadi Village has faced persistent constraints, particularly low productivity. To address this limitation, a community service program was initiated to introduce a superior local variety, the ‘Sleman’ longan. This cultivar was developed through sustained research and breeding by the Laboratory of Genetics and Breeding, Faculty of Biology, Universitas Gadjah Mada (UGM). Stingless bees, locally known as klanceng bees, play an important role as pollinators in horticultural systems. Integrating longan cultivation with stingless beekeeping as a managed pollination strategy is expected to improve longan productivity and support more sustainable farm management. The program applied a comprehensive capacity building approach, including lectures, extension sessions, hands-on training, and regular monitoring. These activities aimed to strengthen both conceptual understanding and practical competence related to cultivation of the ‘Sleman’ longan variety and stingless beekeeping management. The program resulted in an observable improvement in participants’ knowledge and skills within the Sinduadi Village farming group. Improvements in farmer capacity will be evaluated through continued monitoring of field practices and performance over time. Although short-term gains in yield have not yet been observed, substantial longer-term benefits are anticipated as the plants establish, adapt, and enter stable production. Overall, this knowledge transfer is expected to empower the community to address local agricultural constraints more independently and to promote sustained improvements in livelihood and well-being.
Co-Authors BUDI SETIADI DARYONO Latifah, Vida Rahma Noviyani, Pipit Putri, Tiara Amelia Putro, Karso Suryo Rachmawati, Novia Noor Salsabila, Tantri Ajeng Salma Sartika, Dian Subiastuti, Aprilia Sufi Sudaryadi, Ignatius Tri Joko Wibowo, Wiko Arif Windianingsih, Diah Fitri Yusuf, Adib Fakhruddin