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All Journal Cropsaver : Journal of Plant Protection Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Variabel JAPI: Jurnal Akses Pengabdian Indonesia Jurnal Pengabdian pada Masyarakat
Oktarianti, Sherly
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Health Professions Law, Crime, Criminology & Criminal Justice Mathematics Nursing Physics Public Health Other

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Eksplorasi Bakteri Filoplan Daun Karet dan Potensinya sebagai Agens Hayati terhadap Pestalotiopsis sp. Penyebab Penyakit Gugur Daun Oktarianti, Sherly; Rianto, Fadjar; Syahputra, Edy
Variabel Vol 7, No 1 (2024): APRIL 2024
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v7i1.5309

Abstract

Karet di Indonesia merupakan salah satu peyumbang yang cukup besar terhadap devisa negara di sektor perkebunan. Upaya pengendalian digunakan untuk menekan penyakit gugur daun, Pengendalian hayati dengan memanfaatkan musuh alami diketahui dapat menekan pertumbuhan patogen. Diperlukan pencarian musuh alami yang efektif dalam mengendalikan patogen. Eksplorasi agens hayati merupakan langkah awal pada pengembangan pengendalian hayati. Penelitian ini bertujuan untuk eksplorasi bakteri filoplan daun karet yang berpotensi sebagai agens hayati terhadap Pestalotiopsis sp. penyebab penyakit gugur daun karet. Penelitian dilakukan di Laboratorium Penyakit Tanaman Fakultas Pertanian Universitas Tanjungpura Pontianak. Pelaksanaan penelitian dimulai dari eksplorasi bakteri filoplan pengambilan sampel bakteri filoplan tanaman karet, selanjutnya dilakukan isolasi dengan media Nutrient Broth, pemurnian dengan media Nutrient Agar dan identifikasi bakteri filoplan. Variabel yang diamati meliputi daya antagonisme bakteri filoplan terhadap Pestalotiopsis sp. dengan uji dual culture, uji reaksi gram dan respon hipersensitivitas (HR). Hasil eksplorasi mikroba filosfer pada daun karet ditemukan 6 isolat bakteri yang memiliki sifat antagonis dari 36 isolat yang ditemukan dilapangan yaitu FK10, FK11, FK21, FK24 dan FK26. Terdapat 4 isolat yang memiliki daya hambat dibawah 60 % yaitu FK2, FK10, FK11 dan FK24. Sedangkan 2 isolat memiliki daya hambat diatas 60% yaitu isolat FK21 dan FK26. Persentase penghambat tertinggi diperlihatkan isolat FK26 yaitu 61,2%. Isolat FK2, FK21, FK24 dan FK26 tidak bersifat patogen bagi tanaman pada hasil uji HR.Kata Kunci: Agens Pengendali Hayati; Bakteri Filoplan; Pestalotiopsis sp.; Tanaman KaretExploration of Rubber Leaf Filoplan Bacteria and Its Potential as a Biological Agent against Pestalotiopsis sp. Causes of Leaf Loss DiseaseABSTRACTRubber in Indonesia is a fairly large contributor to the country's foreign exchange in the plantation sector. Control efforts are used to suppress leaf fall disease. Biological control using natural enemies is known to suppress the growth of pathogens. It is necessary to search for natural enemies that are effective in controlling pathogens. Exploration of biological agents is the first step in the development of biological control. This research aims to explore rubber leaf phylloplan bacteria which have potential as biological agents against Pestalotiopsis sp. causes of rubber leaf fall disease. The research was conducted at the Plant Disease Laboratory, Faculty of Agriculture, Tanjungpura University, Pontianak. The research began with exploration of phylloplan bacteria, taking samples of phylloplan bacteria from rubber plants, then isolation using Nutrient Broth media, purification using Nutrient Agar media and identification of phylloplan bacteria. The variables observed included the antagonism of phylloplan bacteria against Pestalotiopsis sp. with dual culture test, gram reaction test and hypersensitivity response (HR). The results of exploration of phyllosphere microbes on rubber leaves found 6 bacterial isolates that had antagonistic properties from 36 isolates found in the field, namely FK10, FK11, FK21, FK24 and FK26. There were 4 isolates that have an inhibitory power below 60%, namely FK2, FK10, FK11 and FK24. Meanwhile, 2 isolates had an inhibitory power above 60%, namely isolates FK21 and FK26. The highest percentage of inhibitors was shown by isolate FK26, namely 61.2%. Isolates FK2, FK21, FK24 and FK26 were not pathogenic for plants in the HR test results.
Effectiveness and Efficiency of Trichoderma sp. Multiplication on Different Growing Media Irianti, Agnes Tutik Purwani; Rahayu, Sri; Ayen, Rosalina Yuliana; Oktarianti, Sherly
CROPSAVER Vol 8, No 1 (2025)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v8i1.55618

Abstract

Trichoderma sp. is a fungus that plays an important role as a biological control agent, commonly mass-produced using rice and corn as media. The high cost of rice and corn can become an obstacle in the mass production of Trichoderma sp. fungus. To reduce production costs, an economical solution needs to be sought by using more affordable and readily available growth media. This study aims to test the effectiveness and efficiency of Trichoderma sp. propagation using various types of growth media. The research employed a laboratory experimental method with a completely randomized single-factor design, which is the type of media. The treatments are as follows: T1: Rice, T2: Corn, T3: Sugarcane Bagasse, T4: Bran, T5: Rice + Bran, T6: Corn + Bran, T7: Rice + Sugarcane Bagasse (1:1), T8: Corn + Sugarcane Bagasse (1:1), T9: Rice + Sugarcane Bagasse + Bran (1:1:1), T10: Corn + Sugarcane Bagasse + Bran (1:1:1). Each treatment consisted of three replications. Furthermore, to determine the effect of treatments on the observed variables, analysis of variance (ANOVA) was performed using an F-test at a significance level of 5% and 1%. The results showed that the type of propagation medium had a highly significant effect on the density and viability of Trichoderma sp. conidia. The most effective medium for Trichoderma sp. propagation, in terms of conidia density, was treatment T8 (3.27 x 10^9), while in terms of conidia viability, the most effective treatment was T2 (96.80%). The most efficient treatment for propagating Trichoderma sp. was T4 (Bran medium).
Diseminasi Teknologi Pembuatan Pupuk NPK Organik Cair Bagi Anggota WKRI Ranting Santa Laura Pontianak Irianti, Tutik Purwani; Rahayu, Sri; Ayen, Rosalina Yuliana; Oktarianti, Sherly
JAPI (Jurnal Akses Pengabdian Indonesia) Vol 10, No 1 (2025)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/japi.v10i1.6268

Abstract

Pembuatan Pupuk NPK Organik Cair bagi Anggota WKRI Ranting Santa Laura Cabang Keluarga Kudus Pontianak memiliki urgensi yang signifikan bagi kelompok Organisasi Wanita Katolik ini, yang sebagian besar anggotanya adalah ibu rumah tangga. Tujuannya memberikan kemampuan untuk menghasilkan pupuk organik sendiri, yang dapat meningkatkan hasil panen tanaman obat keluarga di pekarangan. Pertanian ramah lingkungan, mengurangi penggunaan pupuk kimia yang merusak lingkungan, menjaga keseimbangan ekosistem pekarangan rumah tangga. Kegiatan ini mengarah pada pertanian berkelanjutan dengan metode memberikan ceramah dengan sesi pemaparan teori, menjelaskan manfaat, dan pentingnya penggunaan pupuk NPK organik cair dalam budidaya tanaman, mempraktekkan secara langsung dan diskusi dan tanya jawab. Pengabdian ini memberikan mitra dampak positif karena membuka peluang keterampilan dan sumber pendapatan tambahan melalui penjualan produk tanaman obat, mendukung usaha kecil di tingkat lokal. Kegiatan ini menjadi sangat penting karena mengarah pada pertanian berkelanjutan, melindungi tanah, air, dan udara dari dampak negatif bahan kimia.
Growth and Yield of Celery (Apium Graveolens L.) in Organic Cultivation on Alluvial Soil Irianti, Agnes Tutik Purwani; Rahayu, Sri; Suyanto, Agus; Ayen, Rosalina Yuliana; Oktarianti, Sherly
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.702-710

Abstract

Celery (Apium graveolens L.) is a horticultural crop that is consumable and offers numerous health benefits. The purpose of this study was to ascertain how celery growth and yield cultivated on alluvial soil were affected by the interaction between liquid organic NPK fertilizer and chicken manure. The study utilized a field experiment that was designed completely randomized comprising two factors. The first factor was the dosage of chicken manure with three levels: C1: 50 g/pot, C2: 100 g/pot, and C3: 150 g/pot. The second factor was liquid organic NPK fertilizer with three levels: L1: 1%, L2: 2%, and L3: 3%. All treatment combinations were performed in triplicates. The results indicated that the interaction between chicken manure and liquid organic NPK fertilizer significantly affected the number of tillers and dry weight of celery yield. Chicken manure as a single factor significantly influenced the number of stems and tillers. Liquid organic NPK fertilizer as a single factor significantly influenced the number of tillers, fresh weight, dry weight, and plant height. The combination of chicken manure and liquid organic NPK fertilizer (C1L3) produced the highest number of stems per clump (79.44 stems) and the highest number of tillers per clump (9.78 tillers). The combination of C2L3 yielded the highest fresh weight (184 g) and dry weight (17.33 g). Keywords: Alluvial soil, Celery, Chicken manure, Liquid organic NPK fertilizer
SYNERGY BETWEEN STUDENTS AND THE COMMUNITY IN REALIZED EMPOWERMENT OF LOCAL POTENTIAL IN SUNGAI RENGAS VILLAGE Rapu Dode, Willibald Julio Alvares; Oktarianti, Sherly; Margareta Siahaan, Yesika Aprialia
Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat Vol 2 No 2 (2025): Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat
Publisher : LPPM Universitas Panca Bhakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54035/dianmas.v2i2.571

Abstract

Community Service Program (Kuliah Kerja Nyata / KKN) is a form of student dedication to society through the direct application of knowledge, technology, and skills in the field. The 2025 KKN program in Sungai Rengas Village, Kubu Raya Regency, West Kalimantan, was carried out under the theme “Synergy between Students and the Community in Realizing Local Potential Empowerment.” The main objective of this program was to enhance awareness, skills, and community participation in utilizing village potentials, particularly in agriculture, fisheries, and the processing of local products with economic value. The methods applied included observation, socialization, training, mentoring, and the implementation of work programs oriented towards community needs. The results showed an increase in community knowledge and skills, the creation of processed products based on local resources, and the establishment of closer collaboration between students and the community. This program also fostered collective awareness to preserve and develop local potentials as capital for sustainable village development. Thus, the synergy between students and the community in KKN activities provides not only short-term benefits in terms of capacity building but also long-term contributions to the independence and empowerment of Sungai Rengas Village. Keywords: KKN, student-community synergy, empowerment, local potential, Sungai Rengas Village
PELATIHAN HIDROPONIK, AKSI HIJAU WARGA: MERAKIT HIDROPONIK GUNA MEWUJUDKAN KETAHANAN PANGAN LOKAL Suyanto, Agus; Nurfitria, Rima; Widarti, Sri; Andayani, Sri; Setiawan, Setiawan; Suryani, Rini; Astar, Ismail; Dominikus Bancin, Hardi; Tutik Purwani Irianti, Agnes; Rahayu, Sri; Ellyta, Ellyta; Asti, Asti; Yuliana Ayen, Rosalina; Oktarianti, Sherly; Aini, Fitriana
Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat Vol 2 No 2 (2025): Dianmas Bhakti: Jurnal Pengabdian pada Masyarakat
Publisher : LPPM Universitas Panca Bhakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54035/dianmas.v2i2.595

Abstract

Hydroponic cultivation training was conducted for residents of Hydroponic cultivation training was conducted for 40 residents of Gang Kuini I Jeruju, West Pontianak District, aiming to address limited land availability and support local food security. This community service program utilized a participatory approach through socialization, hands-on training, and mentoring. The main issues addressed included narrow land constraints, lack of knowledge about modern agricultural technology, and community dependence on vegetable markets for daily needs. The training introduced wick system hydroponics using simple materials that were easy to implement in household yards. The methods included needs assessment, training preparation, technical socialization, hands-on hydroponic equipment construction, seedling planting, and post-training evaluation. Pre-test and post-test evaluation results showed significant improvements: knowledge aspect increased from 41% to 86%, and attitude aspect increased from 50% to 89%. Results showed that 88% of participants expressed interest in trying hydroponics, and 90% believed hydroponics supports local food security. This activity contributed positively toward household food security by enabling residents to produce fresh vegetables sustainably. The training fostered a green movement among residents while reducing household food expenditures and enhancing nutritional quality for families.
Co-Authors Agus Suyanto Aini, Fitriana Asti Asti Ayen, Rosalina Yuliana Dominikus Bancin, Hardi Edy Syahputra Ellyta Ellyta Fadjar Rianto Irianti, Agnes Tutik Purwani Ismail Astar Margareta Siahaan, Yesika Aprialia Nurfitria, Rima Rapu Dode, Willibald Julio Alvares Rini Suryani, Rini Setiawan Setiawan Sri Andayani SRI RAHAYU Sri Widarti, Sri Tutik Purwani Irianti Tutik Purwani Irianti, Agnes Yuliana Ayen, Rosalina