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INDONESIA
Jurnal Agro
Published by Universitas Islam Negeri Sunan Gunung Djati Bandung
ISSN : -     EISSN : 24077933     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agro aims to provide a forum for researches on agrotechnology science to publish the articles about plant/crop science, agronomy, horticulture, plant breeding - tissue culture, hydroponic/soil less cultivation, soil plant science, and plant protection issues.
Arjuna Subject : -
Articles 14 Documents
 1   2 
Search results for , issue "Vol 10, No 2 (2023)" : 14 Documents clear
Enhancing phosphate availability and growth of C. asiatica in andisols through phosphate-solubilizing bacteria application Betty Natalie Fitriatin; Andriana Kartikawati; Tualar Simarmata; Emma Trinurani Sofyan
Jurnal AGRO Vol 10, No 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/26315

Abstract

Centella asiatica is a medicinal plant containing asiaticoside bioactive, this is considerably higher if grown in the highlands generally on Andisols. Conversely, phosphorus was deficient in Andisol soils. The experiment aimed to study effect of phosphate solubilizing bacteria (PSB) isolates from the rhizosphere of C. asiatica which can dissolve P, produce plant growth promoters, increase growth of C. asiatica and fertilization efficiency. The research was done at Soil Biology Laboratory, Agriculture Faculty, Universitas Padjadjaran and at the experimental field of Agricultural Technology Research and Assessment Installation Manoko, Lembang District, West Java, Indonesia. The research used a factorial randomized block design with three replications and two factors. The first factor were application techniques: control, root soaking, and soil watering. The second factor were dose of NPK fertilizer and soil conditioner: control, P fertilizer dose of 100%, soil conditioner, P fertilizer dose 75% + soil conditioner, and P fertilizer dose of 100% + soil conditioner. Three superior isolates were isolated from C. asiatica rhizosphere and have been identified as: Paraburkholderia caribensis strain MNL-133, Paraburkholderia caribensis strain DSM 13236, and Pseudomonas aeruginosa strain K19PSE24. The results showed that the application of PSB combined with a dose of P fertilizer and soil conditioner on C. asiatica affected the soil P available, the number of leaves, the number of stolons and plant dry weight.ABSTRAKPegagan (Centella asiatica) salah satu komoditas tanaman obat yang memiliki kandungan bioaktif asiatikosida. Asiatikosida lebih tinggi jika ditanam di dataran tinggi umumnya ordo Andisols. Defisiensi hara fosfor salah satu kendala budi daya pada tanah Andisol. Penelitian ini bertujuan mengkaji pengaruh bakteri pelarut fosfat (BPF) unggul yang diisolasi dari roofer tanaman pegagan yang mampu melarutkan P dan menghasilkan pemacu pertumbuhan tanaman pengaruhnya terhadap peningkatan pertumbuhan tanaman pegagan dan efisiensi pemupukan. Penelitian dilaksanakan di Laboratorium Biologi Tanah, Fakultas Pertanian UNPAD dan di kebun percobaan Instalasi Penelitian dan Pengkajian Teknologi Pertanian (IP2TP) Manoko, Lembang menggunakan Rancangan Acak Kelompok Faktorial dengan tiga ulangan. Faktor pertama adalah teknik aplikasi BPF: kontrol; perendaman akar; penyiraman pada tanah. Faktor kedua yaitu dosis pupuk NPK dan pembenah tanah, yaitu perlakuan kontrol, pupuk P dosis 100%, pembenah tanah, pupuk P dosis 75% + pembenah tanah, dan pupuk P dosis 100% + pembenah tanah. Isolasi BPF dari rhizosfer pegagan menghasilkan isolat unggul yaitu Paraburkholderia caribensis strain MNL-133, Paraburkholderia caribensis strain DSM 13236, and Pseudomonas aeruginosa strain K19PSE24. Hasil menunjukkan pemberian BPF dikombinasikan dengan dosis pupuk P dan pembenah tanah pada tanaman pegagan memberikan pengaruh terhadap P tersedia, jumlah daun, jumlah stolon, dan berat kering tanaman.
Identifikasi dan uji efektivitas rizobakteri dalam meningkatkan hasil tanaman kacang tanah Khamdan Khalimi; Wayan Anik Leana
Jurnal AGRO Vol 10, No 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/25053

Abstract

In order to increase groundnut productivity, it is necessary to find agents that can  improve  the  growth  and  yield  of it.  This  study  was  done  to determine the potential use of rhizobacteria to promote the growth and increase the yield of groundnut under green house experiment. The research was conducted in the plant disease laboratory, Faculty of Agriculture, Udayana University, in June 2022-January 2023. Five isolates of rhizobacteria namely FN1, FN2, FL3, FL4, and FL5 were tested for their effectiveness in promoting the growth, increase the yield, and protein content of groundnut. Molecular identification based on 16S rRNA gene sequence showed that FN1 and FL5 were similar to Klebsiella pneumonia with the similarity level at 98%. FN2 was similar to Klebsiella variicola with 99% similarity, FL3 was similar to Proteus mirabilis with 100% similarity, and FL4 wassimilar to Providencia rettgeri with 99% similarity. Rhizobacteria treatments significantly improved the groundnut growth, in which plant height, dry weight of shoot, dry weight of root, chlorophyll content, and the number of nodule significantly (p<0.05) higher compared to control. Yield component such the number of pod per plant, weight of pod per plant, water content and protein content in the seed of treated plants were significantly higher than control. These rhizobacteria may be further developed as plant growth promoting agents to increase the yield  and protein content of groundnut.ABSTRAK Pemanfaatan mikroba yang bisa meningkatkan pertumbuhan dan hasil kacang tanah sangat penting untuk meningkatkan produksi. Penelitian ini menguji tentang potenis rizobakteri untuk meningkatkan pertumbuhan dan hasil kacang tanah yang dibudidayakan pada greenhouse. Penelitian dilakukan di lab penyakit tumbuhan, fakultas pertanian universitas udayana, pada bulan Juni 2022-januari 2023.  Lima isolat rizobakteri: FN1, FN2, FL3, FL4, dan FL5 telah diujikan untuk mengetahui kemampuan dalam meningkatkan pertumbuhan, hasil serta kandungan protein kacang tanah. Analisis molekuler berbasis 16S rRNA menunjukkan isolat FNI dan FL5 memiliki 98% kemiripan dengan Klebsiella pneumonia. Isolat FN2 memiliki 99% kemiripan dengan Klebsiella variicola, isolat FL3 mirip dengan Proteus mirabilis pada tingkat 100%, dan isolat FL4 memiliki 99% kemiripan dengan Providencia rettgeri. Perlakuan dengan isolat rizobakteri menunjukkan hasil yang signifikan (p<0.05) pada pertumbuhan kacang tanah seperti tinggi tanaman, berat kering brangkas, berat kering akar, kandungan klorofil daun dan jumlah bintil akar dibandingkan dengan kontrol. Jumlah polong, berat polong per tanaman, kadar air dan kandungan protein pada tanaman juga menunjukkan hasil yang lebih tinggi dibanding kontrol. Hal ini menunjukkan rizobakteri potensial dikembangkan untuk meningkatkan pertumbuhan, hasil dan kandungan protein kacang tanah.
Pertumbuhan dan hasil sawi pagoda yang dipupuk dengan berbagai kombinasi sumber kompos dan jenis kompos Shabilla Amartiya Sari; Tri Putri Nur; Nuni - Gofar
Jurnal AGRO Vol 10, No 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/30080

Abstract

Tatsoi is a popular vegetable in the community but has not been widely cultivated in South Sumatra. Compost tea is a type of liquid organic fertilizer that is easy to make and can increase plant growth and production. This study aimed to determine the best combination of source and type of compost to increase the tatsoi growth and yield. The research was conducted on May-August 2023 at the Experimental Garden of Faculty of Agriculture, Sriwijaya University. The research consisted of 2 factors designed in a Randomized Complete Factorial Design. The first factor was the source of compost, namely cow manure, chicken manure, goat manure, vermicompost, and oil palm empty fruit bunch compost. The second factor was the type of compost: solid compost, aerated compost tea 1:5 (b/v), aerated compost tea 1:10 (b/v), non-aerated compost tea 1:5 (b/v), and non-aerated compost tea 1:10 (b/v). Based on the research, the application of various types and sources of compost interacted significantly on the growth and yield of tatsoi, except on the number of leaves and root crown ratio variables. The combination of aerated chicken manure compost tea treatment with a ratio of 1:5 (b:v) was the best treatment in the cultivation of tatsoi in soil of lebak swamp.ABSTRAKSawi pagoda merupakan salah satu sayuran yang populer di masyarakat namun belum banyak dibudidayakan di Sumatera Selatan. Teh kompos adalah jenis pupuk organik cair yang mudah dibuat serta mampu meningkatkan pertumbuhan dan hasil tanaman. Penelitian ini bertujuan untuk mengetahui kombinasi terbaik sumber dan jenis kompos untuk meningkatkan pertumbuhan dan produksi sawi pagoda. Penelitian dilaksanakan pada bulan Mei-Agustus 2023 di Kebun Percobaan FP Universitas Sriwijaya. Penelitian terdiri dari dua faktor dalan Rancangan Acak Lengkap Faktorial (RALF). Faktor pertama adalah sumber kompos yaitu pupuk kandang sapi, pupuk kandang ayam, pupuk kandang kambing, vermikompos, dan kompos tandan kosong kelapa sawit. Faktor kedua adalah jenis kompos yaitu: kompos padat, teh kompos aerasi perbandingan 1:5 (b/v), teh kompos aerasi perbandingan 1:10 (b/v), teh kompos tanpa aerasi perbandingan 1:5 (b/v), dan teh kompos tanpa aerasi perbandingan 1:10 (b/v). Berdasarkan hasil penelitian, aplikasi berbagai jenis dan sumber kompos berinteraksi secara nyata terhadap pertumbuhan dan hasil sawi pagoda, kecuali pada peubah jumlah daun dan nisbah tajuk akar. Kombinasi perlakuan teh kompos kotoran ayam yang diaerasi dengan perbandingan 1:5 (b:v) merupakan perlakuan terbaik dalam budidaya tanaman sawi pagoda pada tanah asal rawa lebak.
Pengaruh Tingkat infeksi antraknosa (Colletotrichum capsici) terhadap viabilitas dan vigor benih tiga varietas cabai besar (Capsicum annuum L.) Atin Yulyatin; Abdul Qadir; Satriyas Ilyas; Bagus Kukuh Udiarto
Jurnal AGRO Vol 10, No 2 (2023)
Publisher : Jurusan Agroteknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/28159

Abstract

The seed certification program in seed health testing hasn’t yet established pathological quality standards for anthracnose disease, even though seed health is important because seeds can act as disease spreaders in processing, storage, and seeding. This study was conducted to determine the maximum infection rate of C. capsici which still met the standard limits for seed viability in three hot pepper cultivars. The experiment was A two-factor complete randomized design replicated four times. The first factor was the hot-pepper cultivars consisting of Biocarpa (resistant), Ciko (tolerant), and Tanjung-2 (susceptible). The second factor was the C. capsici inoculation method on fruit which included no inoculation, one, five, and seven stitches. Variables observed were seed infection rate, also seed viability and vigor. The results showed that the one-stitch inoculation method on CV. Ciko resulted in a 10.2% infection rate and 88% germination, meaning the seeds still met the standard of Foundation Seed. However, the infection rate of Biocarpa and Tanjung-2 were higher (24.5% and 11.3%) and germination percentages were low (68% and 69%), hence, it didn’t meet the minimum standard quality the minimal standard of Extension Seed. There was a significant negative correlation between infection rate and germination percentage, dry weight of normal seedling.ABSTRAKProgram sertifikasi benih pada pengujian kesehatan benih belum menetapkan standar mutu patologis penyakit antraknosa, padahal kesehatan benih penting karena benih dapat berperan sebagai penyebar penyakit di pengolahan, penyimpanan dan persemaian. Penelitian ini dilakukan untuk mengetahui tingkat infeksi maksimum C. capsici yang masih memenuhi standar mutu benih pada tiga varietas cabai. Rancangan percobaan yaitu acak lengkap dua faktor yang diulang empat kali. Faktor pertama adalah varietas cabai yang terdiri dari Biocarpa (tahan), Ciko (toleran), dan Tanjung-2 (rentan). Faktor kedua adalah metode inokulasi C. capsici ke buah meliputi tanpa inokulasi (kontrol), satu tusukan, lima tusukan, dan tujuh tusukan. Variabel pengamatan meliputi tingkat infeksi, viabilitas serta vigor benih. Hasil percobaan ini menunjukkan bahwa inokulasi tujuh tusukan pada Tanjung-2 menunjukkan tingkat infeksi tertinggi (72,6%) dan daya berkecambah terendah (51%). Metode inokulasi satu tusukan pada Ciko menyebabkan tingkat infeksi 10,2% dan daya kecambah 88%, artinya benih masih memenuhi standar Benih Dasar. Tingkat infeksi Biocarpa dan Tanjung-2 lebih tinggi (24,5% dan 11,3%) dan persentase perkecambahan rendah (68% dan 69%) sehingga tidak lagi memenuhi standar minimal Benih Sebar. Infeksi benih berkorelasi negatif sangat kuat dengan daya berkecambah dan bobot kering kecambah normal. 

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