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Ritonga, Arya Widura
Department Of Agronomy And Horticulture, Faculty Of Agriculture, IPB University (Bogor Agriculture University), Jl. Meranti, Kampus IPB Dramaga, Bogor 16680, INDONESIA
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Immunology & microbiology Social Sciences

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Perbedaan Respon Pertumbuhan, Fisiologi dan Produksi 20 Genotipe Cabai Rawit terhadap Berbagai Tingkat Naungan Siahaan, Gretty Febriola; Muhamad Achmad Chozin; Muhamad Syukur; Arya Widura Ritonga
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 50 No. 1 (2022): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (410.825 KB) | DOI: 10.24831/jai.v50i1.38832

Abstract

Salah satu faktor pembatas utama yang mempengaruhi produksi cabai rawit adalah cekaman cahaya rendah. Varietas unggul cabai toleran terhadap cahaya rendah sampai saat ini belum banyak dilaporkan. Tujuan penelitian ini adalah mengetahui perbedaan respon pertumbuhan, fisiologi, dan produksi 20 genotipe tanaman cabai rawit terhadap intensitas cahaya rendah. Penelitian ini dilaksanakan pada Oktober 2020 - April 2021 di Kebun Percobaan Cikabayan IPB. Penelitian ini disusun dalam rancangan kelompok lengkap teracak. Faktor naungan terdiri atas 4 taraf, yaitu 0, 25, 50, dan 75%. Respon genotipe cabai rawit terhadap naungan 50% menunjukkan keragaman yang lebih besar daripada tingkat naungan lainnya. Berdasarkan pengelompokan genotipe, spesies C. frutescens memiliki genotipe senang naungan lebih banyak dibanding dengan spesies C. annuum. Pemberian naungan 50% meningkatkan tinggi tanaman, jumlah daun dan luas daun pada semua kelompok genotipe. Kelompok genotipe senang naungan memberikan peningkatan tertinggi pada karakter morfologi. Jumlah buah per tanaman, bobot per buah dan total bobot buah per tanaman secara nyata turun pada kelompok genotipe peka dan moderat naungan. Ketiga peubah tersebut lebih tinggi secara signifikan pada kondisi naungan daripada tanpa naungan pada kelompok genotipe senang naungan. Kata kunci: agroforestri, cahaya, fotosintesis, pigmen
Jarak Tanam dan Dosis Pupuk Nitrogen Memengaruhi Pertumbuhan dan Hasil Padi Ketan Grendel (Oryza sativa L. var glutinosa) Haq, Awfil; Santosa, Edi; Ritonga, Arya Widura
Buletin Agrohorti Vol. 12 No. 1 (2024): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrob.v12i1.51579

Abstract

Penelitian ini dilakukan untuk mempelajari pengaruh jarak tanam dan dosis nitrogen (N) terhadap pertumbuhan dan hasil padi ketan grendel (Oryza sativa L. var glutinosa). Penelitian dilaksanakan di Desa Jatisari, Karawang, Jawa Barat yang berada pada ketinggian 25.6 m dpl pada Januari-Juni 2022. Penelitian menggunakan rancangan split plot dengan dua faktor yaitu jarak tanam sebagai petak utama (20 cm x 20 cm, 25 cm x 25 cm, 30 cm x 30 cm, dan 40 cm x 40 cm) dan dosis N sebagai anak petak (0, 45, 90, 135, dan 180 kg N ha-1). Kombinasi perlakuan diulang sebanyak 3 kali. Hasil penelitian menunjukkan bahwa jarak tanam 40 cm x 40 cm dan dosis N 180 kg N ha-1 merupakan kombinasi terbaik karena dapat meningkatkan tinggi tanaman, jumlah anakan, warna daun, jumlah anakan produktif, bobot kering sampel, bobot gabah hampa, jumlah bulir per malai, dan hasil ubinan (GKP) yang lebih tinggi dibandingkan dengan perlakuan lain. Dengan demikian, jarak tanam dan dosis tersebut direkomendasikan untuk dikaji lebih lanjut dalam rangka mendukung produktivitas padi ketan grendel. Kata kunci: dosis rekomendasi, jarak tanam, komponen hasil, pemupukan nitrogen
Pengaruh Naungan terhadap Pertumbuhan dan Produksi Beberapa Genotipe Cabai Rawit (Capsicum annuum L.) Alhidayah, Destya; Chozin, Muhamad Achmad; Ritonga, Arya Widura
Buletin Agrohorti Vol. 12 No. 1 (2024): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrob.v12i1.53527

Abstract

Percobaan ini dilakukan untuk melihat pengaruh naungan, genotipe dan interaksi antara genotipe dengan naungan terhadap pertumbuhan dan produksi beberapa genotipe cabai rawit, selain itu untuk mengkonfirmasi kembali tingkat toleransi naungan dari beberapa genotipe cabai rawit. Percobaan ini dilaksanakan di Kebun Percobaan Leuwikopo, Dramaga, Bogor, Jawa Barat pada bulan November 2021 sampai bulan Maret 2022. Percobaan menggunakan rancangan kelompok lengkap teracak (RKLT) pola tersarang, dengan petak utama naungan dan anak petak berupa 3 genotipe cabai rawit. Hasil penelitian menunjukkan bahwa naungan paranet 55% menyebabkan peningkatan tinggi tanaman, tinggi dikotomus, lebar tajuk, lebar daun dan panjang daun. Naungan paranet 55% juga menyebabkan penurunan bobot buah per tanaman, produktivitas, fruitset, jumlah bunga dan jumlah buah pada tanaman cabai rawit yang diamati. Genotipe G4 (F8.145291-14-9-3-12-1) dan G7 (Genie) memiliki bobot buah per tanaman, produktivitas, umur berbunga, fruitset, tinggi tanaman, tinggi dikotomus dan ukuran daun yang lebih tinggi dibandingkan dengan genotipe G3 (F10.160291-3-12-5-51-1-1- 2-2-1). Interaksi antara genotipe dan tingkat naungan terdapat pada karakter panjang buah, diameter buah dan panjang daun. Genotipe cabai rawit G4 dan G7 termasuk genotipe cabai rawit yang moderat toleran naungan, sedangkan genotipe cabai rawit G3 termasuk genotipe cabai yang peka naungan berdasarkan produksi relatifnya. Genotipe G4 dan G7 memiliki konsistensi yang sama dengan penelitian sebelumnya, dimana genotipe G4 memiliki tingkat toleransi yang lebih tinggi terhadap naungan dibandingkan dengan genotipe G3 dan G7 tetap menjadi genotipe yang moderat toleran naungan. Kata kunci: Intensitas cahaya rendah, fruitset, produktivitas
Pemberdayaan Masyarakat melalui Program Greenstart: Upaya Peningkatan Ketahanan Pangan dan Pencegahan Stunting  di Desa Sekong Firdaus, Dafiq Zulina; Sopiandini, Isvie Tresna; Nurandini, Hanifah Anggit; Senjaya, Syifa Zahra Malya; Nugeraha, Fathansah; Dzakhwan, Ardell Reynara; Rahayu, Ergiana; Pramudytha, Agiska; Ritonga, Arya Widura
Jurnal Pusat Inovasi Masyarakat Vol. 7 No. 2 (2025): Oktober 2025
Publisher : Direktorat Pengembangan Masyarakat Agromaritim, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpim.7.2.251-261

Abstract

The Greenstart Program is a community empowerment innovation that aims to improve food security and prevent stunting through the use of home gardens for growing highly nutritious vegetables. The activity was carried out in Sekong Village, Cimanuk District, Pandeglang Regency, involving 57 households as participants. The implementation methods included the distribution of spinach and kale seeds, technical assistance, and routine monitoring for four weeks. The results of the activities showed a high level of participation with the distribution of 220 polybags of seeds to households. The evaluation showed that 52 households understood the appropriate watering times, 34 households understood how to cultivate the vegetables, and 37 households successfully harvested vegetables for family consumption. The main obstacles faced were chicken pests (56.1%) and caterpillars (43.9%), as well as necrosis disease (35.1%). The program succeeded in increasing family food self-sufficiency and reducing vegetable shopping expenses, but it still requires ongoing assistance to optimize results.
Optimizing the production of true shallot seed by inducing flowering in various shallot genotypes Cahyati Ramdhani; Awang Maharijaya; sobir; Arya Widura Ritonga
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 3 (2024): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v52i3.58450

Abstract

Shallot (Allium cepa var. aggregatum) productivity can be enhanced through various methods, including using true shallot seed (TSS). Successful shallot breeding requires flowering to improve traits through gene transfer between genotypes and to produce TSS. However, one of the primary challenges in TSS production is the variability in the flowering ability of different varieties. This study aimed to examine the impact of flowering induction on flowering traits, pollen viability, and TSS production in several shallot genotypes. The study employed a randomized complete block design with two factors: shallot genotypes and induction treatments. The study found that vernalization treatment significantly increased the percentage of flowering plants in the Bauji, Bima Brebes, and Tajuk genotypes. Additionally, the combination of vernalization (V) and gibberellin (GA3) (V+G) successfully induced flowering in the Maja Cipanas genotype compared to the control. The Bima Brebes genotype exhibited the highest pollen viability following both vernalization and V+G treatment. Furthermore, vernalization also led to an increase in TSS weight in shallots. These findings suggest that vernalization could be an effective strategy for enhancing TSS production in highland areas, thereby supporting the development of high-yielding shallot varieties. Significant positive correlations were observed between TSS weight and several traits, including the percentage of flowering plants, umbel number, umbel diameter, flower number, pollen viability, percentage of plants producing TSS, capsule number, and TSS number. Keywords: Allium cepa; correlation; gibberellin; varieties; vernalization
Improving Seed Quality of Four Genotypes of Sweet Corn (Zea mays saccharata) Based on Harvest Time and Initial Water Content Astryani Rosyad; Arya Widura Ritonga; Erik Mulyana; Punjung Medaraji Suwarno; Mertya Anugrah
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 2 (2025): Vol. 7 No. 2 Mei (2025): Jurnal Agronomi Tanaman Tropika (JUATIKA)
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i2.4335

Abstract

Quality seeds are crucial for successful sweet corn production. Various factors influence seed quality, including harvest time and initial water content. Therefore, understanding the interaction between harvest time and initial water content is essential for optimizing the quality of sweet corn seeds. This study aims to determine the optimal harvest time and initial water content for assessing the seed quality of four sweet corn genotypes: T13.1.8, SB13.1.3, T8.3.6, and T8.3.2. The experiment employed a factorial Randomized Complete Block Design (RCBD) with two factors. The first factor, harvest time, consisted of five levels (73, 76, 79, 82, and 85 days after planting [DAP]). In contrast, the second factor was the initial water content for seed testing, categorized as harvest water content and 10-12% moisture content. Each treatment was replicated three times, resulting in a total of 30 experimental units. The findings indicated that the sweet corn genotypes T13.1.8 and SB13.1, which were harvested at 76 to 82 hours after sowing (DAP) and had an initial water content of 10 to 12%, represented the optimal treatment combination. These genotypes exhibited germination rate and vigor index variables ranging from 92.7 - 100% and 70.67 - 96.67%. Sweet corn genotypes T8.3.6 and T8.3.2 can be harvested between 79 - 85 DAP with an initial water content of 10-12% to obtain seeds with a germination rate ranging from 86.00 - 98.67% and a vigor index of 58.00 - 86.67%. The study results can be used as a recommendation for seed producers to apply the harvest time and water content according to the genotype used, to ensure that the seeds produced have high viability and vigor.
Performa Komponen Hasil dan Karakter Agronomi berbagai Genotipe Galur Cabai Rawit Sijabat, Winda Saskia; Syukur, Muhamad; Ritonga, Arya Widura; Istiqlal, Muhammad Ridha Alfarabi; Hakim, Abdul; Pangestu, Arya Yuda; Permatasari, Okti Syah Isyani; Marwiyah, Siti; Sulassih, Sulassih; Sahid, Zulfikar Damaralam
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.79804

Abstract

Cayenne pepper is one of the important horticultural commodities and has high economic value for Indonesian people. The demand for cayenne pepper in Indonesia was relatively high, especially for household consumption. Therefore, superior varieties were needed to meet the needs of cayenne pepper in Indonesia. One way to guarantee the superiority of varieties and the validity of variety descriptions was to conduct yield testing. Our research aims to evaluate the performance and yield of seven genotypes of cayenne pepper. This research was carried out from March 2023 to September 2023 at Leuwikopo Experimental Garden, IPB University. It consisted of one factor: ten genotypes (seven genotypes and three control varieties). Experimental design in our research using randomized complete block design with three replications. The results showed that there were differences in performance and yield between cayenne pepper genotypes. The flowering ages of all genotypes ranged from 41.33 - 45.67 DAP with the harvest ages ranging from 83.33 - 92.67 DAP. The percentage of plants observed at the end of harvest ranged from 37.50 - 70.83% with the Rawita F1 variety showing the lowest percentage (37.50%). F1.372340 genotype was the highest productivity genotype, reaching 4.80 t.ha-1. The productivity of F1.372340 was higher than control varieties, which ranged from 1.48 to 2.72 t.ha-1. Line’s genotype had a shelf life ranging from 9.30 - 15.00 DAH which was the same or better than the control varieties which ranged from 9.67-12.33 DAH.
Co-Authors . Kusmanto Abdul Hakim Abdul Hakim Agik Suprayogi Ahmad Zamzami Alhidayah, Destya Arisanti, Tiffani Nindya Arum Sholikhah Astryani Rosyad Awang Maharijaya Awang Maharijaya Axel Anderson Bagas Akmala Putra Bayu Adirianto Cahyati Ramdhani Candra Budiman Darmawansyah Darmawansyah DEWI SUKMA Dimas Purwo Anggoro Dwiwanti Sulistyowati Dwiwanti Sulistyowati Dwiwanti Sulistyowati Dzakhwan, Ardell Reynara Edi Santosa Endah Dwi Susanti Endang Krisnawati Erik Mulyana Erin Puspitarini Firdaus, Dafiq Zulina Galla, Ernytha A. Haq, Awfil Hariyadi Hatta, Andi Nadi Nurul Lathifa Juang Gema Kartika Laksono Trisnantoro M A Chozin M.A. Chozin Mertya Anugrah Muhamad Achmad Chozin Muhamad Achmad Chozin Muhamad Syukur Muhammad Ridha Alfarabi Istiqlal Muhammad Ridha Alfarabi Istiqlal Muhammad Syaifuk Ar Rosyid Muhammad Syukur Nugeraha, Fathansah Nurandini, Hanifah Anggit Okti Syah Isyani Permatasari Pangestu, Arya Yuda Panggoa, Hizkia Patandean, Brayen Permatasari, Okti Syah Isyani Pramudytha, Agiska Punjung Medaraji Suwarno Purwono Purwono Rachmat, Arief Budi Nur Rahayu, Christina Mey Rahayu, Ergiana Rahayu, Mila Ramma, Trivela Ridho Radiyan Gunawan Sahid, Zulfikar Damaralam Savirha Regyta Sendana, Preda Cakra Senjaya, Syifa Zahra Malya Siahaan, Gretty Febriola Sijabat, Winda Saskia Siti Marwiyah Sobir sobir Sobir Sobir Sofyan Zaman Sopiandini, Isvie Tresna Sriani Sujiprihati Sukma, Dewi Sulassih, . Syarifah Iis Aisyah Willy Yavet Tandirerung Yusuf L. Limbongan