Jurnal Agroekoteknologi
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EFEK SUHU RENDAH DAN PENYIMPANAN 1 TAHUN TERHADAP VIABILITAS FORMULA RIZOBAKTERIA DALAM BAHAN PEMBAWA ALGINAT SEBAGAI BIOKONTROL DAN BIOFERTILIZER
No full textRizobakteri merupakan bakteri yang terdapat pada komplek akar tanaman dilaporkan mampu mengendalikan penyakit tanaman dan meningkatkan pertumbuhan tanaman yang telah diformulasi sehingga lebih efektif dan efisien sewaktu aplikasi. Salah satu faktor yang mempengaruhi viabilitas fomula rizobakteri yaitu adanya pengaruh suhu selama penyimpanan. Beberapa formula rizobakteri yang disimpan pada suhu rendah dilaporkan mampu mempertahankan kepadatan populasi selama penyimpanan lama dan pada suhu rendah. Penelitian ini bertujuan untuk untuk mengetahui pengaruh suhu rendah terhadap viabilitas rizobakteri dalam formula dengan alginat sebagi bahan pembawa yang disimpan selama 1 tahun. Penelitian ini dilaksanakan secara secara Faktorial dengan lima ulangan. Perlakuan ini terdiri dari tiga puluh kombinasi perlakuan sepuluh rizobakteri unggul dan dua jenis suhu penyimpanan (4oC dan -18oC). Hasil penelitian menunjukkan bahwa hampir semua formulasi isolat rizobakteri unggul kepadatan populasi dapat dipertahankan sampai selama 1 tahun pada suhu rendah 4 oC dan -18 oC dengan bahan pembawa alginat yaitu 107 CFU.gr-1
Pengaruh Biochar dan Bentonit-Teraktivasi Asam pada Karakteristik Kimia Tanah Lempung Liat Berpasir Bangkalan
No full textTanah lempung liat berpasir yang ada di Bangkalan merupakan tanah miskin hara dan bahan organik, rendah basa-basa, KTK, retensi air dan hara. Salah satu cara yang dapat digunakan untuk meningkatkan kualitas tanah berpasir adalah dengan menambahkan biochar dan bentonit-teraktivasi asam (BTA). Penelitian ini bertujuan untuk melihat efek peningkatan dosis (0, 5, 10 ton.ha-1) biochar, bentonit-teraktivasi asam dan kombinasi keduanya terhadap sifat kimia tanah lempung liat berpasir. Biochar dibuat dari limbah tongkol jagung dengan metode Kon-Tiki dan bentonit diaktivasi dengan metode fisik (200 oC) dan kimia (1N H2SO4). Percobaan rumah kaca dilakukan dengan Rancangan Acak Lengkap Faktorial. Biochar dan bentonit-teraktivasi asam sebagai perlakuan masing-masing tiga taraf (0, 5, 10 ton.ha-1) dan tiga ulangan. Analisis yang dilakukan adalah pH H2O dan KCl, C-Organik, KTK dan basa-basa. Selanjutnya data di analisis ragam dan uji lanjut dengan uji Tukey untuk perlakuan yang berpengaruh nyata. Hasil penelitian menunjukkan bahwa kombinasi biochar dan bentonit teraktivasi asam berpengaruh nyata meningkatkan pH H2O, K-dd dan Na-dd. Sedangkan pemberian biochar berpengaruh sangat nyata meningkatkan C-organik dan BTA berpengaruh nyata meningkatkan KTK tanah lempung liat berpasir di Bangkalan
Growth Response of Three Shallot Varieties (Allium Ascalonicum L.) From True Shallot Seed Given a Combination of Phosphorus and Potassium Fertilizer in Dry Land
Full text linkThe research was conducted at the Experimental Garden of the Integrated Agricultural System of the Banten Province Agricultural Service at an altitude of 60 m above sea level. from July to September 2021. The design of this study using a factorial randomized block design, the first factor varieties treatment consists of 3 levels: v1 = Maserati varieties, v2 = Sanren varieties, and v3 = Tuk Tuk varieties. Factor fertilization treatment consists of 3 levels: p1 = 54 kg/ha P2O5 + 90 kg/ha K2O, p2 = 72 kg/ha P2O5 + 120 kg/ha K2O, and p3 = 90 kg/ha P2O5 + 150 kg/ha K2O. The results showed that there was no interaction between varieties and combinations of P and K fertilizers on all observed parameters. Varieties treatment affected the number of leaves 5 weeks after planting, leaf area, plant wet weight and plant wet weight per plot, where the sanren variety had the best value, successively 16.5 strands; 499.28 cm2; 86.90 grams and 2105.01 g. The combination of fertilizer application of 90 kg/ha P2O5 + 150 kg/ha K2O was the best for the parameters of leaf area, wet weight per plant and wet weight per plot, respectively 482.02 cm2; 82.37 grams; and 2065.61 grams
EFEKTIVITAS PENGGUNAAN LEGIN DAN MULSA JERAMI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KEDELAI HITAM (Glycine soya Benth )
Full text linkThis research was conducted to determine the effectiveness of legin and straw mulch treatment on the growth and yield of black soybean plants. This research was conducted from June 2020 to September 2020, at Ngablak, Kemuning, Ngargoyoso, Karanganyar Regency with an altitude of 750 m above the sea. This study used a factorial method with randomized complete block design (RCBD) consisting of two factors. The first factor is giving straw mulch E (E0 = without pulsing, E1 = with straw mulch). The second factor is the various doses of legin H (H0 = without legin, H1 = 7,5 kg / g seeds, H2 = 15 g / kg seeds, H3 = 22,5 g / kg seeds). The data obtained were analized using analysis of variance followed by Duncan's multiple Range test (DMRT) at the 5% level. The results showed that the treatment of straw mulch (E) had a very significant effect on all parameter observed. The treatment of various doses of legin and the interaction between mulching and legin were not significantly effect for the five parameters observed .Combination of E1H2 treatment (with straw and legin mulch at a dose of 15 g / kg of seed)had highest yield weight of dry biomassa per plant 36.42 g, weight of dry seed per plant 27.84 g and weight of dry seeds per plot 479.12 g. The treatment of E0H0 (without straw mulch and without legin) had the lowest yield to all parameter observed
Respon Pertumbuhan dan Hasil Tanaman Sawi Kailan (BrassicaeoleraceaeL.) Akibat Pemberian Berbagai Takaran Pupuk Bokasi Takaran Ayam
Full text linkThis study aims to assess the response to growth and yield of kailan (Brassica oleraceae L.) due to various doses of chicken which was held on the land of the Faculty of Agriculture, University of Tridinanti Palembang on the island Semambu Village, Indralaya District, OganIlir Regency, South Sumatra Province from July 2020 to September 2020.The The factors studied were P0 = Control, P1 = 5 tons per hectare or the equivalent of 37.5 grams per planting hole, P2= 10 tons per hectare or the equivalent of 75 grams per planting hole, P3 = 15 tons per hectare or the equivalent of 112.5 grams per planting hole, P4 = 20 tons per hectare or the equivalent of 150 grams per planting hole, P5 = 25 tons per hectare or the equivalent of 187.5 grams per planting hole. Based on the research results obtained, conclusions can be drawn that the provision of chicken manure bokashi fertilizer at a rate of 15 tons per hectare or equivalent to 112.5 grams per planting hole (P3) give a good growth response and yield to the mustard kailan plant, which produces a plant height of 6 mst of 30.82 cm, the number of leaves 6 mst is 8.00, leaf area of 10.49 cm2, the root volume is 2.70 cm3, Wet plant weight of 10.06 g, top wet weight of 9.08 g, plant dry weight of 6.15 g
EKSPLORASI KERAGAMAN MORFOLOGI TANAMAN JAHE (Zingiber officinale Rosc.) LOKAL DI KABUPATEN LEBAK, PROVINSI BANTEN
Full text linkLebak is a district in Banten province known as one of center for ginger cultivations. The study aimed to determine the diversity of local ginger plants in Lebak-Banten Regency based on morphological characters, so that kinship relationships between commodities can be seen. The study was conducted from Agustus to October 2021. This study used qualitative and quantitative descriptive methods, consisting of 7 accessions with a total sample of 21 plants from the districts in Lebak Regency as Panggarangan, Malingping, Banjarsari and Gunung Kencana. The data was processed using SPSS. Based on the results, there were 7 similar qualitative characters and 3 different qualitative characters. While there were 8 board quantitative characters (various) and 1 narrow quantitative character (uniform), the closest kinship relationship is found in accessions (B3 and E1) with a coefficient value of 1.576 and the furthest kinship in accessions (A1 and D3) wit a coefficient value of 51.024. The results of the dendogram showed that on a scale of 5 formed 14 groups, on a scale of 10 formed 7 groups, a scale of 15 formed 4 groups, a scale of 20 formed 3 group and a scale of 25 formed 2 group. Therefore, further research is needed to determine the relationship of the local ginger based on molecular analysis
MULTIPLIKASI PLANLET KENTANG (Solanum tuberosum L.) SECARA IN VITRO PADA MEDIA MS DENGAN PENAMBAHAN NAA DAN AIR KELAPA
Full text linkThis study aims to find appropriate media formulations for plant propagation of potato in vitro. Research conducted at the Tissue Culture Laboratory of the Faculty of Agriculture, University of Tridinanti Palembang, beginning July 2015 until October 2015.The research design used is Completely Randomized Design (CRD) arranged in factorial, with 9 (nine) combined treatment and five (5) replications ie: N1A1 = 0.5 ppm NAA + 100 ml/l coconut water, N1A2 = 0.5 ppm NAA + 150 ml/l coconut water, N1A3 = 0.5 ppm NAA + 200 ml/l coconut water, N2A1 = 1 ppm NAA + 100 ml/L coconut water, N2A2 = 1 ppm NAA + 150 ml/l coconut water, N2A3 = 1 ppm NAA + 200 ml/l coconut water, N3A1 = 1.5 ppm NAA +100 ml/l coconut water, N3A2 = 1.5 ppm NAA + 150 ml/l coconut water, and N3A3 = 1.5 ppm NAA + 200 ml/l coconut water. The observation parameter are the time to established buds, shoots high, the time to established roots, number of roots, root length, and the percentage of plantlets life.The results showed that treatment of NAA at a concentration of 1 ppm affected significant on the root length 7.74 cm. Coconut water at a concentration of 100 ml/l significantly affected the established of root ie 9.97 days after planting (dap) and 200 ml/l of coconut water has a significant effect on shoot height 10.27 cm. There was no significant interaction between NAA and coconut water in almost of all parameters were observed, except on the parameter of established roots. NAA at a concentration of 1.5 ppm and 200 ml/l of coconut water has a significant interaction for paremeter time to established roots ie 7.00 dap
DAYA REGENERASI PLBs ANGGREK DENDROBIUM VAR. JACQUELINE THOMAS x WALTER OUMAE DAN KUMALA AGRIHORTI PADA JENIS MEDIA KULTUR IN VITRO DENGAN PENAMBAHAN AIR KELAPA
Full text linkDendrobium is the epiphytic orchid and high demand because of its long-lasting freshness, color variants, shape, and high productivity. The addition of organic complex Coconut Water (CW) to the in vitro media such as MS and VW because in general organic complex compounds are sources of sugars, vitamins, growth regulators, and amino acids. The purpose of this study was to obtain the best media for plantlet regeneration from PLBs of Dendrobium orchids var. JTWO and var. Kumala Agrihorti. This study used a Completely Randomized Design consisting of two factors with five replications. The combination of planting media with the addition of coconut water was consist of 10 levels, ½ MS+0 ml/l CW, ½ MS+75 ml/l CW, ½ MS+100 ml/l CW, ½ MS+125 ml/l CW, ½ MS+150 ml/l CW, VW+0 ml/l CW, VW+75 ml/l CW, VW+100 ml/l CW, VW+125 ml/l CW and VW+150 ml/l CW. The results showed that the variety treatment gave a significant effect on the percentage of PLBs regeneration, the number of shoots, and the increase in plantlet height. The treatment of media gave a significant effect on the percentage of PLBs regeneration, percentage of PLBs life, the number of leaves, and the number of roots. The interaction between treatments significantly affects the percentage of PLBs regeneration
PRODUKSI TANAMAN JAGUNG (Zea mays L.) DENGAN PEMBERIAN PUPUK ORGANIK KITOSAN DAN PUPUK NITROGEN
Full text linkThe goal of this research was to determine the growth response and yield of corn plants (Zea mays L.) towards the application of chitosan organic fertilizer and nitrogen fertilizer. This research used randomized block design which consists of two factors. The first factor was the concentration of chitosan organic fertilizer whith four levels: 0 ppm/ plant, 10 ppm/ plant, 20 ppm/ plant, and 30 ppm/ plant. The second factor was the dose of nitrogen fertilizer with four levels 0 g/plant, 5 g/plant, 10 g/plant and 15 g/plant. There was 16 combinations of treatments. Each treatments was replicated three times to obtain 48 experimental units. Parameters observed were number of cobs per plant, number of seeds per plant and weight 100 seeds. The results of this research showed that application of chitosan fertilizer does not affect the yield of corn plants. Chitosan fertilization with a concentration of 10 ppm tends to show higher yields on the parameters of the number of cobs (2.25 cobs) and weight of 100 seeds (35.00 g). The application of nitrogen fertilizer affects the yield of corn plants. Nitrogen fertilization with a dose of 15 g/plant increased the number of cobs (2.83 cobs) and the number of seeds per plant (647.75 seeds) compared to the control treatment. There is no interaction between chitosan fertilizer and nitrogen fertilizer on corn yields
UJI KONSENTRASI EKSTRAK TEPUNG DAUN SIRSAK (Annona muricata L) UNTUK MENGENDALIKAN HAMA PENGGEREK BUAH KAKAO (Conopomorpha cramerella SNELLEN.) PADA TANAMAN KAKAO (Theobroma cacao L) DI PADANG PARIAMAN
Full text linkCocoa (Theobroma cacao L.) is a plantation crop that has an important role in the national economy. Conopomorpha cramerella Snellen is a pest that causes a decrease in cocoa production in the field. The recommended control is using botanical insecticides using soursop leaves (Annona muricata L). This study aimed to obtain best concentration of soursop leaf flour extract (A. muricata L) to control the attack of cocoa pod borer (C. cramerella Snellen) in the field. The research was conducted in the garden of residents of Nan Sabaris District, Padang Pariaman Regency, from July to October 2019. The research was carried out experimentally using a completely randomized design (CRD) with 6 treatments and 4 replications. Treatment of the concentration of soursop leaf powder extract given in each experimental unit was 0 gl-1 water, 20 gl-1 water, 40 gl-1 water, 60 gl-1 water, 80 gl-1 water and 100 gl-1 water. The results showed that soursop was able in controlling CPB (C. cramerella) pests at a concentration of 100 gl-1 water which reduced the percentage of affected fruit to 10% with the lowest fruit damage intensity, namely 12.48%, the largest fruit diameter was 18.15 cm, with the smallest larval population of 0.75 tails, and the maximum dry weight of seeds reaching 150.75 g