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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Journal of Tropical Soils Jurnal Agro Planta Tropika JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Agrin : Jurnal Penelitian Pertanian Jurnal Agrotek Tropika Jurnal Agrotropika Open Science and Technology Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Setyo Dwi Utomo
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Environmental Science Mechanical Engineering

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Optimasi Konsentrasi Paklobutrazol untuk Respons Pembungaan Tanaman Jambu Biji 'Kristal' Yutamimah, Siti Sarah; Widyatuti, R. A. Diana; Utomo, Setyo Dwi; Ginting, Yohannes Cahya
JURNAL AGROTROPIKA Vol. 22 No. 1 (2023): Jurnal Agrotropika Vol 22 No 1, Mei 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i1.7449

Abstract

The advantages of 'Crystal' guava in Indonesia provide opportunities for farmers to cultivate and increase their production. Various methods of cultivation have been developed to increase the production of 'Crystal' guava, one of which is the use of Growth Regulators. Paclobutrazol is a plant PGR that regulates flowering outside the harvest season so that the production of 'Crystal' guava fruit can be maintained. The purpose of this study was to determine the best concentration of the effect of Paclobutrazol treatment in increasing the flowering of 'Crystal' guava plants. The research was conducted from August 2021 to March 2022 in Rajabasa Lama 1 Village, Labuhan Ratu District, East Lampung Regency. The treatment was carried out in a factorial manner using a single factor randomized block design with three replications so that 36 experimental units were obtained. The first factor was Paclobutrazol (A) which consisted of 6 treatment levels, there are A1 (0 ppm), A2 (4000 ppm), A3 (6000 ppm), A4 (8000 ppm), A5 (10,000 ppm), A6 (12,000 ppm). Paclobutrazol treatment with a concentration of 10,000 ppm gave the best results on the variables of flower number, number of ovules, number of harvested fruit and weight of harvested fruit. Keywords : Paclobutrazol, Concentration, ‘Crystal’ Guava Plants
Produksi Benih dan Polong Segar Buncis (Phaseolus vulgaris L.) yang Dipanen dari Pertanaman Tumpangsari dengan Sorgum (Sorghum bicolor [L.] Moench) dan Monokultur Pramono, Eko; Kurnianti, Vidia Dwi; Utomo, Setyo Dwi; Ginting, Yohannes Cahya
JURNAL AGROTROPIKA Vol. 22 No. 2 (2023): Jurnal Agrotropika Vol 22 No 2, Oktober 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i2.7812

Abstract

Bean (Phaseolus vulgaris L.) is generally cultivated in monoculture (sole cropping) by farmers in the highlands as main crops. Increasing land use efficiency (LUE) by inter-cropping sorghum on bean requires certain cultivation techniques so as not reducing the production of seeds or fresh fruit bean. This experiment aimed at determine 1) the yields of seeds and fresh pods harvested from the bean-sorghum intercropping compared to those from the sole cropping and 2) the LUE of the bean-sorghum intercropping.  The research, which was conducted during April-September 2021 in Sekincau District, West Lampung Regency, Lampung Province, Indonesia used dwarf beans Balitsa-2 variety and climbing bean Horti-3 variety, each of which to be intercropped with sorghum of Numbu variety. Five levels of cropping system treatment were arranged in a Completely Randomized Block Design (CRBD) with six groups as six replications. The results showed that there was no difference the seeds yield and fresh pods of bean between those harvested from bean-sorghum intercropping and from monocultures. The seed yield harvested from the dwarf bean-sorghum intercropping was higher, whereas those harvested from the climbing bean-sorghum intercropping was lower, respectively, compared to those harvested from the monoculture. In producing fresh pods, intercroppings of dwarf bean-sorghum and climbing bean-sorghum increased the LUE, respectively. Whereas in producing seeds, the dwarf bean-sorghum intercropping increased the LUE, but the climbing bean-sorghum intercropping decreased the LUE. Key words : bean, fresh pods, intercropping, seeds, sorghum
PERTUMBUHAN DAN PRODUKSI TIGA KLON UBI KAYU GENJAH PADA TANAH ULTISOL YANG DIBERI CACAHAN BATANG SINGKONG DI LAHAN RISET PT GGP LAMPUNG TENGAH Utomo, Setyo Dwi; Setiawan, Kukuh; Yelli, Fitri; Ardian, Ardian; Novpriansyah, Hery; Yanto, Indri; Syaifudin, Akmad; Saifulloh, Al Azizu; Noerwijati, Kartika
JURNAL AGROTROPIKA Vol. 24 No. 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.8768

Abstract

Cassava is a plant that is ranked third as a source of food in Indonesia. Apart from that, cassava is also needed in industries such as making tapioca flour. In 2021, cassava production in Lampung will be around 20-25 t/ha, this amount is still below the potential of superior cassava which reaches 35-40 t/ha. Cassava growth and production depend on the variety and land where it is cultivated. This research aims to determine the differences in growth and production of several early maturing cassava clones tested, namely Vamas-1, Vati-1, and UTK on Ultisol soil in the PT GGP research area. This research was carried out on the land of the PT GGP research division, Central Lampung, Lampung. This research was carried out from August 2022 to February 2023. The research method used was a Randomized Block Design (RAK) with one treatment, namely clones. There are 3 clones used, namely Vamas-1, Vati-1, and UTK. The experiment on each clone consisted of 3 replications with 36 plants in each replication, but 5 plants were selected from each replication as samples, so that 45 experimental units were obtained. The observation data was analyzed and then compared with the UJ5 clone data based on the Standard Deviation to determine the early maturation characteristics of the three clones. The results showed that clone treatment had no significant effect on growth and production. The number of fresh sweet potatoes at 24 weeks after planting (WAP) in terms of the quantity of clones Vamas-1, Vati-1, UTK, and UJ5 respectively was 7.3; 6.6; 6.3; and 7.3 fruit/plant with a fresh sweet potato weight of 2316,7; 2183,3; 2150,0; and 1433,3 g/plant. The starch content of Vamas-1, Vati-1, UTK, and UJ5 clones was 26,2%; 25,2%; 25,8%; and 23.2%..Keywords : early, Manihot esculenta, UTK, Vamas-1, Vati-1,
EMBRIOGENESIS SOMATIK UBI KAYU (Manihot esculenta CRANTZ.) KLON WAXY PADA BEBERAPA JENIS DAN KONSENTRASI AUKSIN 2,4-D ATAU PICLORAM DAN NAA Erlangga, Wahyu; Yelli, Fitri; Yusnita, Yusnita; Utomo, Setyo Dwi
JURNAL AGROTROPIKA Vol. 24 No. 1 (2025): Jurnal Agrotropika Vol 24 No 1, Mei 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i1.10286

Abstract

Indonesia is one of the largest cassava producing countries in the world with various types and advantages. Waxy clones have a high starch content and therefore they can be used as a food substitute for rice. Tissue culture through somatic embryogenesis is an effective technique for rapid and mass seedling propagation. This research aimed to determine the effect of the type and concentration of auxin 2,4-D or picloram and the addition of NAA on the formation of Waxy cassava clone somatic embryos. This research used a completely randomized design (CRD) which was arranged in a non-factorial. Auxin 2,4-D and picloram were used at four concentration levels: 0 mg.l-1, 8 mg.l-1, 10 mg.l-1, 12 mg.l-1, and additional NAA treatment of 6 mg.l-1 each. Results showed that MS + 6 mg.l-1 NAA treatment produced the highest callus weight. Meanwhile, the percentage of embryonic callus and number of embryo was higher in the treatment of MS + picloram 12 mg.l-1 and NAA 6 mg.l-1 (19,05 ± 5,82 %) and MS + 8 mg.l-1 2,4-D + 6 mg.l-1 NAA (11,11 ± 3,17 %) with 5,48 ± 3,56 and 4,93 ± 1,95 embryos, respectively. Thus, auxin picloram 12 mg.l-1 + NAA 6 mg.l-1 were the most effective in inducing the formation of somatic embryos on waxy cassava clone.
PENGENALAN KLON UBIKAYU GENJAH SEBAGAI ALTERNATIF PANEN MUDA PADA PETANI DAN INDUSTRI TAPIOKA DI LAMPUNG Setiawan, Kukuh; Ardian, Ardian; Utomo, Setyo Dwi; Yeli, Fitri; Syaifudin, Ahmad; Surtono, Arif; Sungkono, Sungkono; Agustiansyah, Agustiansyah; Sanjaya, Purba
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 2 No. 2 (2023): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 2 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v2i2.7799

Abstract

Abstrak: Lampung merupakan sentra produksi ubikayu di Indonesia dengan luas area sekitar 199.385 ha.  Luas area terbesar berada di Lampung Tengah sekitar 120 ribu ha.  Salah satu kendala utama selain harga ubikayu yang sering berfluktuasi adalah panen muda atau awal di tingkat petani dan industri tapioka.  Tujuan penulisan makalah ini adalah pengenalan klon ubikayu yang genjah sebagai solusi penen muda di tingkat petani.  Penanaman ubikayu klon genjah dengan produksi tinggi ini dilaksanakan di tiga kabupaten di Lampung, yaitu Lampung Selatan, Lampung Timur, dan Lampung Tengah Great Giant Food (GGF).  Ada 7 klon yang digunakan, yaitu Vamas, Vati, Litbang UK 2, Daun 9 (berumur genjah), dan Adira 4, UJ3, UJ5 (berumur 10-12 bulan).  Jarak tanam yang digunakan adalah 100 x 80 cm atau populasi 12.500 tanaman/ha.  Data pendukung untuk pengenalan klon ubikayu genjah adalah tinggi tanaman, bobot ubi dan kadar pati.  Saat pertumbuhan awal, yaitu 1 bulan setelah tanam (BST) terlihat tidak berbeda antara ubikayu berumur genjah dan yang berumur normal (10-12 BST).  Namun, pada saat tanaman berumur 7 BST, tinggi tanaman Vamas mencapai rata-rata 227 cm sebaliknya UJ3 mempunyai rata-rata tinggi tanaman sekitar 257 cm.  Selanjutnya, bobot ubi Vamas dan UJ3 masing-masing mencapai 36,1 ton/ha dan 25,3 ton/ha.  Dengan demikian Vamas bisa direkomendasikan sebagai klon ubikayu genjah karena mampu berproduksi tinggi pada umur 7 BST
PERMASALAHAN PETANI DESA LABUHAN RATU 6, KECAMATAN LABUHAN RATU, KABUPATEN LAMPUNG TIMUR DALAM BUDIDAYA UBIKAYU Ardian, Ardian; Utomo, Setyo Dwi; Setiawan, Kukuh; Kamal, Muhammad; Hadi, Muhammad Syamsul; Yelli, Fitri; Sanjaya, Purba
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 2 No. 2 (2023): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 2 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v2i2.7800

Abstract

Lampung merupakan salah satu sentra produksi ubikayu di Indonesia.  Selanjutnya, Lampung Timur, terutama kecamatan Labuhan Ratu mempunyai areal panen ubikayu yang cukup besar.  Pada 2021, produksi ubikayu yang dihasilkan dari kecamatan ini telah mencapai 25.154 ton. Produksi tersebut berasal dari luas panen seluas 1.191 hektar dan produktivitas sekitar 21 ton/ha.  Produktivitas hasil ini masih jauh dari potensi hasil tanaman ubikayu yang dapat mencapai 40-60 ton/ha.  Aplikasi pemupukan yang biasa dilakukan petani adalah pemberian hara makro, yaitu N (urea), P (TSP), dan K (KCl), akan tetapi petani jarang memberikan pupuk organik dan pengapuran dikarenakan beberapa alasan dan ketidak mengertian mereka tentang pupuk ini terhadap peningkatan hasil dan kadar pati.    Oleh karena itu perlu dilakukan sosialisasi/penyuluhan dan demonstrasi plot kepada petani binaan desa Labuhan Ratu 6, Labuhan Ratu, Lampung Timur tentang pengolahan pupuk organik, pengapuran dan teknologi budidaya ubikayu yang tepat guna untuk meningkatkan produktivitas dan kadar pati.  Tujuan kegiatan pengabdian masyarakat ini adalah sosialisasi dan demonstrasi plot untuk menunjukkan kepada pengguna atau petani binaan Desa Labuhan Ratu 6 tentang pengaruh aplikasi pupuk organik dan pemberian kapur pertanian terhadap peningkatan pertumbuhan dan produksi ubikayu.  Dengan demikian metode pelaksanaan pengabdian kepada masyarakat petani binaan desa Labuhan Ratu 6, Labuhan Ratu, Lampung Timur menggunakan cara sosialisasi/penyuluhan, demonstrasi plot dan evaluasi kegiatan.  Hasil sosialisasi dan kunjungan ke lahan petani dapat dijabarkan sebagai berikut, penggunaan varietas yang mempunyai potensi perodusi tinggi dan kadar pati yang tinggi harus dibarengi dengan jarak tanam yang sesuai untuk perkembangan ubi, penggunaan bahan organik untuk perbaikan struktur tanah dan suplai hara mikro, penambahan kapur/dolomit untuk meningkatkan pH yang sesui dan suplai hara Ca dan Mg, penggunaan pupuk Kalium (KCl) yang lebih tinggi dari pupuk Urea untuk meningkatkan produksi dan kadar pati ubi hasil panen.
Demoplot Aplikasi Biochar untuk Peningkatan Pertumbuhan dan Produksi Kopi Evizal, Rusdi; Utomo, Setyo Dwi; Ramires, Ryano; Sriyani, Nanik; Jannah, Husna Fii Karisma; Sugiatno, Sugiatno; Prasmatiwi, Fembriarti Erry; Pramono, Sudi
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 3 No. 2 (2024): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol 3 No 2, September
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v3i2.9695

Abstract

Tanggamus merupakan sentra produksi kopi kedua setelah Lampung Barat, antara lain di Kecamatan Air Naningan. Permasalahan yang dihadapi petani adalah produktivitas yang masih rendah antara lain sebagai akibat dari kurangnya pemeliharaan tanaman, semakin menurunnya kesuburan tanah, serta cuaca ekstrim yaitu kemarau panjang atau curah hujan yang tinggi. Tujuan kegiatan Pengabdian kepada Masyarakat ini adalah: (1) Meningkatkan pengetahuan anggota kelompok tani Makmur, Pekon Sidomulyo, Kecamatan Air Naningan, Kabupaten Tanggamus dalam pemanfaatan biochar sebagai amandemen di lahan perkebunan kopi. (2) Meningkatkan pengetahuan dan keterampilan anggota kelompok tani Makmur dalam membuat dan mengaplikasikan biochar di kebun kopi. Kegiatan ini dilaksanakan di Kelompok Tani Makmur, Pekon Sidomulyo, Kecamatan Air Naningan. Kegiatan ini dilaksanakan selama 6 bulan dengan metode: (1) Ceramah dan tatap muka, (2) Focus Group Discussion (FGD), (3) Demplot dan pendampingan, (4) Anjangsana dan anjangkarya. Hasil pengabdian ini menyimpulkan bahwa Pengabdian kepada Masyarakat berjudul “Demplot Aplikasi Biochar di Kebun Kopi untuk Meningkatkan Pertumbuhan dan Produktivitas” sudah dilaksanakan dengan peserta dari Kelompok Tani Makmur, Desa Sidomulyo, Kecamatan Air Naningan, Tanggamus melalui kegiatan penyuluhan, FGD, demplot, coaching, dan pendampingan dengan hasil tanaman kopi yang tumbuh dan berbunga dengan baik. Kegiatan pengabdian ini dapat meningkatkan pengetahuan dan keterampilan petani dalam pembuatan dan aplikasi biochar di kebun kopi muda dengan nilai meningkat dari 47-95% menjadi 89-100% peserta mampu menjawab pertanyaan.
Effectiveness of Organonitrofos Plus Fertilizer on Sweet Corn and Soil Chemical Properties of Ultisols Dermiyati, .; Utomo, Setyo Dwi; Hidayat, Kuswanta Futas; Lumbanraja, Jamalam; Triyono, Sugeng; Ismono, Hanung; Ratna, Ni’malia Estika; Putri, Nidya Triana; Taisa, Rianida
JOURNAL OF TROPICAL SOILS Vol. 21 No. 1: January 2016
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2016.v21i1.9-17

Abstract

This study aimed to examine Organonitrofos Plus fertilizer (OP) on sweet corn (Zea mays Saccharata L.) and its effect on changes in soil chemical properties of Ultisols. Organonitrofos Plus fertilizer is an enhancement of Organonitrofos fertilizer enriched with microbes at the beginning of the manufacturing process. Research was conducted in the greenhouse of Integrated Agricultural Laboratory of Lampung University. Treatment applied was a factorial of 4 × 2 × 3 with three replications in a randomized block design. The first factor was the dose of OP fertilizer (0, 10, 20, 30 Mg ha-1), the second factor was the dose of inorganic fertilizers (without inorganic fertilizers, and with inorganic fertilizers, namely Urea 0.44, 0.28 SP-36 and KCl 0.16 Mg ha-1), and the third factor was the dose of biochar (0, 10, 20 Mg ha-1). By a single OP fertilizers, inorganic fertilizers, and the interaction between the OP and the inorganic fertilizers increased the weight of dry stover, cob length, cob diameter, cob with husk and cob without husk of corn. OP fertilizers which are applied in Ultisols can improve soil fertility and increase corn production so that OP fertilizer can lessen the use of inorganic fertilizer and can be used as a substitute for inorganic fertilizer. RAE values were highest in treatment of O4K2B2 (30 Mg OP ha-1, with inorganic fertilizer, 10 Mg biochar ha-1) that was equal to 181%, followed by O2K2B3 (10 Mg OP ha-1, with inorganic fertilizer, 20 Mg biochar ha-1 ) with the difference in RAE value of 0.5%. [How to Cite: Dermiyati, SD  Utomo,  KF Hidayat, J Lumbanraja, S Triyono, H Ismono, NE  Ratna, NT Putri dan R Taisa. 2016. Pengujian Pupuk Organonitrofos Plus pada Jagung Manis (Zea mays Saccharata. L) dan Perubahan Sifat Kimia Tanah Ultisols. J Trop Soils 21: 9-17 Doi: 10. 10.5400/jts.2016.21.1.9]
Co-Authors , Agustiansyah Agus Karyanto Agustiansyah Agustiansyah Ahmad Syaifudin Ahmad Syaifudin Akari Edy Ali Rahmat Aprilia Eka Putri Ardian Ardian Ardian Ardian Ardian Ardian Cipta Ginting, Cipta Dermiyati, . Devi Maretha Dini Ari Murti Edy, Akari Eko Pramono Erlangga, Wahyu Erwin Yuliadi Erwin Yuliadi Fembriarti Erry Prasmatiwi Fitri Yeli Fitri Yelli Franciscus Xaverius Susilo, Franciscus Xaverius Giannini, Topan Kurniawan Ginting, Yohannes Cahya Hartaman, Maman Hasriadi Mat Akin Hendrady, Resmia Fajarwati Hidayat Pujisiswanto Husna Fii Karisma Jannah I GEDE SWIBAWA, I GEDE Islamika, Nur Jamalam Lumbanraja Kukuh Setiawan Kukuh Setiawan Kukuh Setiawan Kukuh Setiawan Kurnianti, Vidia Dwi Kuswanta Futas Hidayat M S Hadi Maimun Barmawi Muhammad Kamal Muhammad Kamal Muhammad Syamsul Hadi Muhammad Syamsul Hadi, Muhammad Syamsul Nababan, Erick Mikhail Vialli Nanik i Sriyan Nanik Sriyani Noerwijati, Kartika Novpriansyah, Hery Nyimas Sa’diyah Paul Benyamin Timotiwu PUJI LESTARI Purnomo Purnomo Putri, Nidya Triana R Hanung Ismono Radix Suharjo Rafika Restiningtias Ramires, Ryano Ramli, Sulastri Ratna, Ni’malia Estika Ria Putri Rusdi Evizal Sa?diyah, Nyimas Saifulloh, Al Azizu Sanjaya, Purba Setyo Widagdo Shinta Anisya Sriwidarti, Sriwidarti Stiawan, Aresta Dwi Sudi Pramono . Sugeng Triyono Sugiatno Sugiatno Sungkono Sungkono Sungkono Sungkono Sunyoto Sunyoto Surtono, Arif Suskandini Ratih Dirmawati Syaifudin, Akmad Taisa, Rianida Titik Nur Aeny Tjipto Roso Basoeki Wawan Abdullah Setiawan Widyatuti, R. A. Diana Yanto, Indri Yeli, Fitri Yesi Safitri YUSNITA YUSNITA Yutamimah, Siti Sarah Yuyun Fitriana