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Sosialisasi Upaya Menyeragamkan Pertunasan Bibit Bawang Putih (Allium sativum L.) di Kecamatan Bojong, Kabupaten Tegal Syaiful Anwar; Sobir Sobir
Jurnal Pusat Inovasi Masyarakat (PIM) Vol. 2 No. 1 (2020): Februari 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.49 KB)

Abstract

Garlic (Allium sativum L.) is one of horticulture plant for spices. Planting material is an important factor of garlic production but it has a problem such as tuber dormancy period that takes 4 months. There’s necessary to use some techniques to break the dormancy for the growth uniformity. This socialization is how important to uniforming the garlic seed growth. Participants were followed by garlic farmers in Tuwel and Rembul villages and field extension officers (PPL) in Bojong District. Several factor that affect the unformity of the seed growth are the dormancy hasn’t broken and low calcium (Ca) absorption. The storage (7 oC) for 2 months after harvesting can increase the emergence of shots (dormancy rupture) and increase the seed growth rate by 85,4%. Low Ca absorpstion can be resolved by appling calcite lime (CaCO3). Preparation of planting material can be done by soaking the garlic seeds overnight or by immersing the plant growth promoting rhizobacteria (PGPR) treatment for 10-15 minutes.
KARAKTER DAN PRODUKSI TIGA AKSESI TALAS DENGAN PENAMBAHAN DOSIS BAHAN ORGANIK Ridwan Diaguna; Edi Santosa; Trikoesoemaningtyas Trikoesoemaningtyas; Ni Made Armini Wiendi; Didy Sopandie; Sobir Sobir; Eny Widajati
Jurnal Agrotek Tropika Vol 12, No 1 (2024): JURNAL AGROTEK TROPIKA VOL 12, Februari 2024
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v12i1.6728

Abstract

Perubahan iklim dan keberlanjutan merupakan tantangan besar dalam produksi pangan, yang didominasi sumber pangan biji-bijian yang rentan terhadap perubahan iklim. Sumber karbohidrat umbi dianggap lebih tahan dan mudah beradaptasi dengan tantangan tersebut. Talas merupakan salah satu potensi besar untuk memenuhi kebutuhan pangan dengan nilai gizi yang tinggi. Penelitian bertujuan untuk mengevaluasi pengaruh penambahan dosis bahan organik terhadap karakter morfologi talas, dan hubungan karakter morfologi dan umbi yang dihasilkan, serta menentukan dosis yang tepat untuk budidaya talas di Indonesia. Penelitian menggunakan rancangan acak lengkap faktor tunggal yaitu dosis bahan organik, dengan lima ulangan. Dosis bahan organik terdiri dari 4 taraf yaitu 0,25 kg tanaman-1, 0,5 kg tanaman-1, 0,75 kg tanaman-1, dan 1 kg tanaman-1. Bahan organik (BO) meningkatkan pertumbuhan vegetatif, umbi atribut dan produksi bibit. BO meningkatkan pertumbuhan vegetatif kuantitatif. Dosis sekitar 0,5 - 1 kg lubang-1 diidentifikasi sebagai dosis yang tepat untuk pertumbuhan vegetatif, umbi atribut dan produksi bibit talas. Ada korelasi positif antara pertumbuhan vegetatif, atribut umbi dan produksi bibit. Tinggi tanaman, ukuran daun, dan diameter batang sangat penting untuk menentukan perkembangan umbi, dan selanjutnya menyebabkan tingginya produksi bibit.
PENGARUH STATUS HARA KALIUM TANAH TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN NENAS Safuan, La Ode; Poerwanto, Roedhy; Susila, Anas D; Sobir, Sobir
Jurnal Agroteknos Vol 1, No 1 (2011)
Publisher : Jurnal Agroteknos

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Abstract

The  aims  of  the  research  were:  1.  to  investigate  effect  of  potassium  status  on pineapple growth and production and N, P, K nutrient uptake , and 2. to determine the critical level of potassium for pineapple.   The research was conducted using randomized blocked design with five soil K dosages: Ksr = 0 kg K2O ha-1, Kr = 70 kg K2O ha-1, Km = 140 kg K2O ha-1, Kt = 210 kg K2O ha-1 and Kst = 280 kg K2O ha-1. The plant growth, N, P, K nutrient up take and pineapple production were affected by soil potassium status and dosage of potassium application.  The critical level of potassium for  pineapple “D ” leaf was 1.71% of dry matter. Key words:   Growth, production, nutrient status, potassium.
Combination of Biocontrol Agents to Control Shallot Disease in The Field Widodo, Widodo; Khamidi, Thamrin; Sobir, Sobir; Wiyono, Suryo; Suryaningsih, Andika Septiana
Jurnal Fitopatologi Indonesia Vol. 18 No. 6 (2022): November 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.6.248-254

Abstract

Produksi bawang merah di Indonesia menghadapi permasalahan hama dan penyakit yang berat. Penggunaan pestisida menjadi andalan petani hingga saat ini untuk pengendalian hama dan penyakit tersebut. Beberapa agens biokontrol hama dan patogen bawang merah terbukti efektif secara individual, namun belum terintegrasi di lapangan. Tujuan penelitian ialah mengevaluasi kombinasi agens biokontrol dengan efektivitas terbaik untuk menekan insidensi penyakit utama bawang merah di lapangan. Percobaan lapangan dilakukan di Tegal, Jawa Tengah, salah satu sentra penghasil bawang merah di Indonesia. Perlakuan yang diuji ialah kombinasi Fusarium nonpatogenik (FNP) + plant growth promoting rhizobacteria (PGPR)+ khamir antagonis (KA), FNP + KA, PGPR + KA, FNP+PGPR, fungisida sintetik, dan tanpa perlakuan (kontrol). Penelitian disusun dalam rancangan acak kelompok dengan empat ulangan sebagai blok. Semua perlakuan kombinasi agens pengendali hayati dan fungisida sintetik menunjukkan perbedaan nyata dengan perlakuan kontrol dalam menekan penyakit busuk batang (Fusarium oxysporum f. sp. cepae) dan bercak ungu (Alternaria porri), tetapi tidak berbeda nyata antarperlakuan. Produktivitas bawang merah dengan perlakuan agens pengendali hayati memiliki bobot umbi segar yang cukup tinggi. Tanaman dengan perlakuan agens hayati PGPR + KA dan FNP + PGPR memiliki bobot umbi segar yang paling tinggi di antara perlakuan agens pengendali hayati lainnya. Penelitian ini menunjukkan bahwa aplikasi kombinasi agens pengendali hayati berpotensi menekan penyakit bawang merah di lapangan.
STABILITAS PARAMETRIK HASIL 14 GENOTIPE TOMAT (Solanum lycopersicum L.) DI EMPAT LINGKUNGAN DATARAN RENDAH Dewi, Suprayanti Martia; Sobir, Sobir; Syukur, M; Kisman, Kisman
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 33 No 2 (2023): Jurnal Agroteksos Agustus 2023
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v33i2.887

Abstract

This study aimed to obtain information stability results 14 tomato genotypes grown in four lowland locations using multiple methods of parametric stability analysis. The experiments were conducted at four locations, namely Purwakarta, Lombok, Tajur and Leuwikopo. Experiments at each location using Randomized Complete Block Design (RCBD) with three replications which replicates nested within location. The method used were Francis and Kannenberg, Wrickle ekovalens, Finlay and Wilkinson, Eberhart and Russel, Wrickle ekovalens and AMMI . Research carried out shows based on the concept of static stability using the method of Francis and Kannenberg and Russell Eberhart, who declared stable genotype were IPBT3, IPBT53 and IPBT78. Based on the concept of dynamic stability using Wrikle ekovalens and Finlay & Wilkinson methods, stable genotype were IPBT3, IPBT8, IPBT33, IPBT34, IPBT57, IPBT60, IPBT64 and Intan. IPBT3, IPBT33, IPBT34, IPBT60 and Intan as stable genotypes under AMMI methods.
STABILITAS NONPARAMETRIK HASIL 14 GENOTIPE TOMAT (Solanum lycopersicum L.) DI EMPAT LINGKUNGAN Dewi, Suprayanti Martia; Sobir, Sobir; Syukur, Muhamad; Kisman, Kisman
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 33 No 3 (2023): Jurnal Agroteksos Desember 2023
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v33i3.886

Abstract

This study aimed to obtain information yield stability of 14 tomato genotypes grown in four lowland locations using some nonparametric methods of stability analysis. The experiments were conducted at four locations, there was Purwakarta, Lombok, Tajur and Leuwikopo. Experiments at each location using Randomized Complete Block Design (RCBD) with three replications which replicates nested within location. Based on nonparametric stability index values, the stable genotypes in the lowlands by the Thennarassu and Nassar & Huehn methods were IPBT33, IPBT34 and IPBT60 with the productivity respectively 15.69, 18,37 and 20,26 tonnes ha–1.
Penciri Fisiko Kimia Umbi Bawang Merah Yang Unggul Sebagai Bahan Baku Bawang Goreng Wijaya, C. Hanny; Sobir, Sobir; Lioe, Hanifah Nuryani
Policy Brief Pertanian, Kelautan, dan Biosains Tropika Vol. 4 No. 2 (2022): Policy Brief Pertanian, Kelautan dan Biosains Tropika
Publisher : Direktorat Kajian Strategis dan Reputasi Akademik IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agro-maritim.0402.256-259

Abstract

Bawang merah goreng merupakan produk olahan bawang dengan pangsa pasar yang stabil. Saat ini belum ada kriteria mutu baku bawang goreng berdasarkan keinginan konsumen. Pemahaman mutu yang valid diperlukan dalam pengembangan produk terstandar, termasuk pemilihan bahan baku. Bawang goreng tanpa salut, berwarna coklat cerah, utuh, rasa gurih, aroma wangi khas bawang goreng, tidak tengik dan tidak pahit merupakan kriteria yang diinginkan oleh konsumen. Penelitian terhadap 6 varietas unggul bawang merah, yaitu Bima Brebes, Bauji, Super Philip, Rubaru, Tajuk dan Batu Ijo, menunjukkan bahwa penciri fisiko kimia umbi yang unggul sebagai bahan baku bawang merah goreng adalah bobot umbi besar, kadar karbohidrat sedang, kadar total asam amino sedang, dan kadar piruvat tinggi. Varietas Batu Ijo, disamping produktivitasnya tinggi juga menghasilkan bawang goreng dengan krtieria mutu unggul, dibanding 5 varietas lain, termasuk varietas Rubaru atau lebih dikenal sebagai varietas “Sumenep” yang selama ini dikenal sebagai bahan baku bawang goreng.
The Graded Concentration of Bleach Solution and Material Size Plays an Important Role in the In Vitro Sterilization of Thyphonium flagelliforme Plants Rahmadara, Gemilang; Tajuddin, Teuku; Suparjo, Suparjo; Sobir, Sobir; Dinarti, Diny; Khairiyah, Hayat
International Journal of Agriculture System VOLUME 12 ISSUE 1, JUNE 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v12i1.5070

Abstract

The sterilization is a primary step in in-vitro culture. plant breeding through in-vitro culture hinges on the successful effectiveness of the sterilization method in producing sterile plants. This research aims to optimize sterilization methods using a completely randomized factorial design. The first factor is the size of the material (small and large), and the second factor is the graded concentration of the bleach solution. The study revealed that Material sizes do not have a significant effect on contamination level, all the same, large size materials increase the survival rate of sterilized rodent tuber plants. The application of graded bleach solution concentrations at 25%, 20%, and 15% is able to reduce contamination to 0% on small size materials and 5 % on large size materials. Material sizes do not have a significant effect on contamination level, all the same, large size materials increase the survival rate of sterilized rodent tuber plants.
Keragaman genetik stroberi (Fragaria x ananassa Duch) berdasarkan marka morfologi dan molekuler Arisanti, Tiffani Nindya; Sobir, Sobir; Ritonga, Arya Widura
Jurnal AGRO Vol 11, No 1 (2024)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/34537

Abstract

The development of new superior varieties will be more efficient if it is based on accurate information about the genetic diversity and population structure of available breeding resources, so that the combination of the most potential parents in the breeding program that will be carried out can be identified. Indonesia still lacks information of strawberry diversity. The aim of this research is to study strawberry genetics based on morphological and molecular markers in order to develop strawberry varieties efficiently. Genetic relationship analysis was carried out on 20 genotypes of strawberries collected by Indonesian Instruments Standardization Testing Center for Citrus and Subtropical Fruits (BPSI Jestro), based on morphological characteristic and molecular Random Amplified Polymorphic DNA (RAPD). Morphologycal markers analysis showed that there were two groups of strawberry genotypes using Gower dissimilarity coefficient value of 0.0936–0.5977. The result of molecular marker analysis was also separated into two groups by dissimilarity coefficient value of 0,1321-0,5566. Combination of morphologycal and molecular analysis was carried out and also showed two groups by disimilarity coefficient of 0,1657–0,5264. The information obtained on morphological characteristics and genetic distances can be used as a basic consideration in parental selection for strawberry breeding program. Pengembangan varietas unggul baru akan lebih efisien bila didasarkan pada informasi yang akurat tentang keragaman genetik dan struktur populasi sumber genetik yang tersedia, sehingga dapat diketahui kombinasi tetua yang paling potensial dalam program pemuliaan yang akan dilakukan. Namun, informasi tentang keragaman genotipe-genotipe stroberi di Indonesia masih terbatas. Penelitian ini bertujuan untuk mempelajari keragaman genetik stroberi berdasarkan marka morfologi dan molekuler dalam rangka pengembangan varietas stoberi yang efisien. Analisis kekerabatan genetik dilakukan pada 20 genotipe stroberi koleksi Balai Pengujian Standar Instrumen Tanaman Jeruk dan Buah Subtropika (BPSI Jestro), berdasarkan karakter morfologi dan molekuler dengan metode Random Amplified Polymorhpic DNA (RAPD). Pengamatan pada 41 karakter morfologi menunjukkan terdapat 34 karakter yang beragam dan 7 karakter yang seragam. Hasil analisis menggunakan marka morfologi menunjukkan bahwa 20 genotipe stroberi terbagi menjadi dua kelompok dengan nilai koefisien ketidakmiripan Gower 0,0936–0,5977. Hasil analisis menggunakan marka molekuler juga terbagi menjadi dua kelompok dengan nilai koefisien ketidakmiripan sebesar 0,1321-0,5566. Analisis gabungan morfologi dan molekuler yang dilakukan juga membagi ke 20 genotipe menjadi dua kelompok dengan koefisien ketidakmiripan 0,1657–0,5264. Informasi karakter morfologi dan jarak genetik yang diperoleh dapat dijadikan sebagai dasar pertimbangan dalam pemilihan tetua pada kegiatan pemuliaan tanaman stroberi.
Utilizing Stakeholders Analysis on Sustainable Organic Farming in West Java: The Case of Cisarua Organic Farming Prasetyaningtyas, Sekar Wulan; Sobir, Sobir; Hermawan, Aji; Maarif, M. Syamsul
Jurnal Manajemen dan Agribisnis Vol. 16 No. 1 (2019): JMA Vol. 16 No. 1, March 2019
Publisher : School of Business, Bogor Agricultural University (SB-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (828.101 KB) | DOI: 10.17358/jma.16.1.56

Abstract

There has been an increase in demand for organic products in Indonesia along with the incessant slogan of healthy living. In terms of small farmers, organic farming is proven to provide increased income, unfortunately, there is no clear system and strategy in developing organic agriculture in Indonesia. The purpose of this research was to understand the role of key stakeholders in Cisarua Horticulture Organic Farming. Stakeholder analysis used in this research to get knowledge about the actors, their behavior, relationships and their influence on decision - making processes. The information is used to develop the farm strategies, to reach the farm goals and to assess the feasibility of policy directions. The methodology used is the Soft System Methodology (SSM). SSM is an organizational process modeling method that can be used for general problem resolution and change management. Rich picture, Root definitions, and conceptual model were presented in the paper. Data were taken using focus group discussion and in-depth interviews with the farm staffs, farmers of the sustainable horticulture organic farming farm in Cisarua, Indonesia, and national organic farming association. From Stakeholders analysis, four main results were obtained: identifying the relationship among stakeholders; conflicts among them; the stakeholders’ role in farm; and the stakeholders’ interest towards farm program. In conclusion; focusing on one hauler only, investing in seed horticulture products, improving the quality of horticulture products, and mentoring for small-scale farmers were identified as a critical action for the strategy in the organic farming farm in Cisarua, Indonesia. The policy implications of this research are basically to see the contribution of actors in making a strategy. 
Co-Authors , Kisman , Santoso Achmad Baihaki Agung Wahyu Susilo Agus Purwito Ahmad Dadang Ahmad Satori Ahmad Yunus Aji Hermawan ALEX HARTANA Alex Hartana Alex Hartana ALFRED P. MANAMBANGTUA Alifiya Herwitarahman Anas Dinurrohman Susila Andarwening, Freestina Andika Septiana Suryaningsih Aris Purwanto Arisanti, Tiffani Nindya Astri W Wulandari Astri Windia Wulandari Wulandari Awang Maharijaya Azhari, Andi Baiq Arriyadul Badi'ah Bonjok Istiaji Budi Santosa C Hanny Wijaya Chesaria, Nanda DADANG, AHMAD Deden Derajat Matra Delvi Maretta Desta Wirnas Didy Sopandie Diny Dinarti Diyah Martanti, Diyah DONATA S. PANDIN Edi Santosa Edi Santosa Edi Santosa Efendi, D. Efendi, Darda Eka Fatmawati Tihurua Eko Priyantono Ellina Mansyah Entit Hermawan Eny Widajati Erni Suminar Evalina C. Pandia Fadhilah Sitepu, Annisa Fusao Motoyoshi Gunawan Gunawan Gunawan Gunawan Hafizah, Rumaisha Afifatul HAJRIAL ASWIDINNOOR Hanifah Nuryani Lioe Harmi Andrianyta Harti, Heri Haryanti, Dyra Helmi, Susan Hendrastuti Hidayat, Sri Herry Suhardiyanto Hidayat , Sri Hendrastuti I Wayan Budiastra Ika Roostika Imam Widodo Iman Rusmana Imas Sukaesih Sitanggang Inayah Yasmin Kamila Indah Kurniasari Irvan Faizal Is Helianti Islah Hayati J. K. J. Laisina Joko Prasetiyono Juliati S. Darsa Juliet M.E. Mamahit Ketty Suketi Khairiyah, Hayat Khamidi, Thamrin Kisman Kisman Kristianto Nugroho Kurniawan Rudi Trijatmiko Kuswandi Kuswandi La Ode Safuan Laksono Trisnantoro Lilik Pujantoro Lina Herlina Lina Herlina Lina Herlina Lizawati . M A Chozin M. Syamsul Maarif Machfud Machfud Maharijaya, dan Awang Mahat Magandhi MANAMBANGTUA, ALFRED P. Mardiana - MARIA BINTANG Marlin Marlin Marlina Mustafa, Marlina Mas’ud, Zainal Alim MATHIUS, NURITA TOURAN Matra, Deden Derajat Meddy Rachmadi Memen Surahman Mien A. Rifai Miftahudin Miftahudin . Muchlis . Muhamad Syukur Muhammad Arif Nasution Muhammad Syukur Mukelar Amir Munarti Nadila, Dea Nazli, Rizal Sjarief Sjaiful Nazly Aswani Nettyani, Naipospos Ni Made Armini Wiendi Nining, Euis Nobuo Sugiyama Noorrohmah, Siti Nurita Toruan-Mathius Nursalma, Linda Nurul Khumaida Nurwahyuningsih Nurwahyuningsih Olivia Yofananda, Olivia OTIH ROSTIANA PANDIN, DONATA S. Parjanto Parjanto Poetri Agustine Aryawati PRASETIYONO, JOKO Prawestri, Apriliana Dyah Priyanti Priyanti Priyanti Priyanti Priyantono, Eko PURNAMA HIDAYAT Purwono Purwono Putra, Fiqhri Mulianda Putri, Faradila Danasworo Rahmadara, Gemilang Ramadhani Dwi Santoso Ramadhani Dwi Santoso Ramdhani, Cahyati Rd. Selvy Handayani Reflinur Reflinur Reflinur Reflinur Rerenstradika T. Terryana Ria Rif’atunidaudina Ridwan Setiamihardja Risa Aryantri Ritonga , Arya Widura Ritonga, Arya W Ritonga, Arya Widura Roberdi ,, Roberdi Robi'ah, Hanik Rohmah Roedhy Poerwanto Rosmaina Rosmaina S H Hidayat S Noorrohmah Santosa, Budi Santosa, Budi Sarsidi S astrosumarjo Sayekti, Tri Wahono Dyah Ayu Sekar Wulan Prasetyaningtyas Siti Hafsah Soaloon Sinaga SOLIN, NIDA W.N.M. SRI HENDRASTUTI HIDAYAT Sriani Sujiprihati SRIANI SUJIPRIHATI Sudarmono Sudirman Yahya Sujiprihati, Sriani Sulistijorini Sunyoto Sunyoto Suparjo Suprayanti Martia Dewi, Suprayanti Martia Surjono Hadi Sutjahjo Suryo Wiyono SYAFRIDA MANUWOTO Syarifah Iis Aisyah Syukur, M Tamami, Djoko TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN TATIK CHIKMAWATI Tengku Laila Kamaliah Teuku Tajuddin Tias Arlianti Tony Liwang Toruan-Mathius, dan Nurita Tri Budiyanti Tri Handayani Tri Muji Ermayanti Trijatmiko, Kurniawan Rudi Trikoesoemaningtyas Undang, Undang Utami Prawati Wida W. Khumaero Widodo Widodo Willy Bayuardi Suwarno Winarso D. Widodo Winda Nawfetrias Witjaksono Wulan Septiningtyas Kurniajati Wuriandani, Adinda Yoko Mine Yono, Dwi Yudiwanti Wahyu E. Kusumo Yukarie Ayu Wulandari Yukarie Ayu Wulandari Yusnita Sari, Yusnita Zumaidar Zumaidar