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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Penelitian Pertanian Terapan Jurnal Agrotropika

, Agustiansyah

Jurusan Agroteknologi, Fakultas Pertanian Universitas Lampung

Author-ID : 221797

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance

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Articles

Pengaruh Jenis Kemasan dan Suhu Ruang Simpan terhadap Viabilitas Benih Sorgum (Sorghum bicolor [L.] Moench) Nurisma, Immas; Agustiansyah, Agustiansyah; Kamal, Muhammad
Jurnal Penelitian Pertanian Terapan Vol 15, No 3 (2015)
Publisher : Politeknik Negeri Lampung.

This study aims to determine: (1) in response to the type of packaging savings and sorghum seed viability; (2) in response to the storage room temperature sorghum seed viability; (3) a combination of types of packaging store and storage room temperature for sorghum seed viability. The research was conducted in October 2013 to January 2014 at the Laboratory of Seed and Plant Breeding, Faculty of Agriculture, University of Lampung. This research is compiled using a completely randomized design with four replications. The design of the treatment applied is factorial (4x3) by the first factor is the type of packaging and the second factor is the temperature store room. Homogeneity of variance between treatments was tested by Bartlett test. Separation of median is done by using the test Least Significant Difference (LSD) at level ? of 5%. The results showed that the seeds of sorghum were packed with cans stored at refrigerator temperature (4 ° C) have the ability better than a plastic jar packaging, cloth flour, and plastic at room temperature (32 ° C) and air conditioning (22 ° C), in maintaining sorghum seed viability after being stored for 4 months. Keywords : Type Packaging, Temperature Storage Room, Sorghum Seed Viability

Pengaruh Berbagai Konsentrasi Benzil Adenin dan Asam Naftalen Asetat Pada Kultur In vitro Singkong (Manihot esculenta Crantz.) Ardian, Ardian; Kresna, Kresna; Agustiansyah, Agustiansyah
Jurnal Penelitian Pertanian Terapan Vol 12, No 1 (2012)
Publisher : Politeknik Negeri Lampung.

Propagation of cassava through in vitro culture is needed by farmers and agro industries to fulfill the need of the best and the newest clone as soon as after it is released by government. The objective of this research was to know the effects of the application of some concentrations of benzyl adenine and naphthalene acetic acid on in vitro growth and multiplication of micro-shoot of cassava. Explants used were one-node green cuttings of cassava, which were derived from cutting seedling. This research was arranged in completely randomized design with the treatments consisting of some concentrations of benzyl adenine 0.2, 0.4, and 0.8 mg/l and concentrations of naphthalene acetic acid: 0 and 0.1 mg/l. Each treatment was replicated 10 times with 2 explants in each experiment unit. The best growth and multiplication shoot of cassava in vitro was achieved by treatment of 0,2 mg/l benzyl adenine with 0,1 mg/l naphthalene acetic acid. Keywords: Benzyl Adenine, Naphthalene Acetic Acid, Cassava

PENGARUH DOSIS PUPUK NITROGEN, FOSFOR, DAN KALIUM TERHADAP PRODUKSI BENIH PADI VARIETAS MAYANG PADA TIGA LOKASI DI LAMPUNG UTARA Ridwansyah, Budi; Basoeki, Tjipto R.; Timotiwu, Paul B.; Agustiansyah, Agustiansyah
JURNAL AGROTROPIKA Vol 15, No 2 (2010): Agrotropika Vol.15 No.2 2010
Publisher : JURNAL AGROTROPIKA

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Fertilizer is one of the ways to improve cultural techniques for producing high quality of seed with high early vigor. The objectitive of N, P,and K nutrient in balanced quantity can improve productivity and quality of seed rice. His research was to know response of three doses of N, P, and K on growth, production, and quality of seed rice of Mayang variety on three locations on North Lampung, and see interaction of both factors. Treatment arrangement was factorial by randomized complete block design with three replications. Sub factor is fertilizer (P); there are low fertilizer dose (P1) is farmer fertilizer dose consist 200 kg/ha urea and 50 kg NPK/ha; middle fertilizer dose (P2) is recommended government dose consist 250 kg/ha urea, 100 kg Sp 18/ha, and 100 kg/ha KCl; and high dose (P3) is recommended dose for seed production consist 300 kg/ha urea, 150 kg/ha SP 18, and 150 kg/ha KCl. Mains factor is location, there are Ciamis-Sungkai Utara, Wonomarto-Kotabumi Utara, and Semuli Jaya-Abung Semuli. Homogenity of varian each treatment analyzed by Bartlett test and to see eaded model by Tukey test. If all assumption are completely, data will be continue analyzed with BNJ test at level 5%. Result of research showed that high dose fertilizer is can give growth and seed production better than low dose fertilizer, but nonsignificant with middle dose. The best location for seed production is Semuli and than Wonomarto, and Ciamis in the last position, but nothing interaction between different of dose and location.Key words: rice, Mayang viability, fertilizer

PENGARUH PENYIMPANAN SAMPAI ENAM BULAN MENGGUNAKAN BUBUK DAN TANPA BUBUK LADA TERHADAP MUTU LIMABELAS LOT BENIH KEDELAI (GLYCINE MAX L.) Kurniati, Ayu; Agustiansyah, Agustiansyah; Nurmiaty, Yayuk; Ermawati, Ermawati
JURNAL AGROTROPIKA Vol 19, No 1 (2020): Jurnal Agrotropika Vol 19 No 1, Mei 2020
Publisher : JURNAL AGROTROPIKA

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This study aims to determine the best seed quality from fifteen lots of soybean seeds that are stored for up to six months using pepper powder and without using pepper powder. The treatment was applied in a Completely Randomized Design (CRD) which was repeated three times. The combination of treatments derived from three varieties, namely Anjasmoro, Gerobogan, and Burangrang combined with 5 SP-36 fertilizer doses, namely 0, 100, 150, 200, and 250 kg / ha. The experiment consisted of two experiments. Experiment 1, the fifteen lots of seeds were stored without pepper powder. Experiment 2, the fifteen lots of seeds were ground with pepper in their storage. Storage at room temperature ranges from 28-30oC in the Seed and Plant Breeding Laboratory, Faculty of Agriculture, University of Lampung in October 2017 to April 2018 The results showed that the combination treatment of Burangrang varieties with SP-36 250 kg / ha fertilizer stored without pepper powder or pepper powder was able to maintain its higher quality compared to other treatment combinations after being stored for up to six months Key words: Fertilizer, pepper powder, soybean, storage, variety

PENGARUH PERLAKUAN BENIH DENGAN AGENS HAYATI TERHADAP PERTUMBUHAN, HASIL PADI, DAN PENGENDALIAN PENYAKIT HAWAR DAUN BAKTERI DI RUMAH KACA Agustiansyah, Agustiansyah; Ilyas, Satriyas; Sudarsono, Sudarsono; Machmud, Muhammad
JURNAL AGROTROPIKA Vol 16, No 2 (2011): Agrotropika Vol.16 No.2 2011
Publisher : JURNAL AGROTROPIKA

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The objective of this research was to study the influence of biological seed treatment on plant growth, yield of rice, and controlling of bacterial leaf blight. The research was conducted at green house of Indonesian Center for Agricultural Biotechnology and Genetic Resources Development, Bogor and Seed Science and Technology Laboratory, Department of Agronomy IPB from August 2009 to Febru-ary 2010. The result showed that biological seed treatment of Pseudomonas spp. and Bacillus spp. (with and without matriconditioning) could increase plant growth of rice in terms of on plant height, number of seedling, root length, root fresh weight, root dry weight, shoot fresh weight, and shoot dry weight. Seed treatments of matriconditioning + P.aeruginosa, matriconditioning + B.subtillis5/B, and Bacillus subtillis 11/C were the best seed treatments in increasing yield of rice as indicated by the highest number of filled grains/panicle, percentage of filled grain/panicle, percentage of filled grain/plant, and the lowest number of unfilled grain/panicle, percentage of unfilled grain/panicle, and percentage unfilled grain/plant. Seed treatments of Pseudomonas diminuta, matriconditioning + Pseudomonas diminuta and matriconditioning + Bacillus subtilis 11/C were significantly resulted in lower percentage of pathogen diseased leaf area (%DLA) than others seed treatment. Percentages of pathogen diseased leaf area were 15.45%, 15.94% and 19.55%. Key words: Bacillus spp Biological seed treatment, matriconditioning, Pseudomonas spp.

FENOLOGI DAN PERTUMBUHAN TANAMAN STRAWBERRY DI DATARAN RENDAH SEBAGAI KAJIAN AWAL DAMPAK PERUBAHAN IKLIM TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN Timotiwu, Paul B; Manik, Tumiar Katarina; Agustiansyah, Agustiansyah; Pramono, Eko
JURNAL AGROTROPIKA Vol 20, No 1 (2021): Jurnal Agrotropika Vol 20 No 1, Mei 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i1.4596

Climate change has been understood from air temperature that constantly rising.Â Therefore, to study the impact of climate change on crops growth and production should begin with study the impact of air temperature on crops, so that the technique of making crops adapt to the climate change could be developed.Â Crops reaction on temperature change could be detected from the phenology and quantified with the Growing degree days (GDD). The objective of this research was to identify the impact of temperature change on strawberry phenology and production through cultivating on low land area and calculating the GDD at the end of the planting period.Â The results showed that Strawberry on low land experienced some difficulties to grow in optimal rate; up to the 10th week plant still did not reach the generative state uniformly and canopy coverage was below 20 percent.

Perlakuan Benih dengan Agen Hayati dan Pemupukan P untuk Meningkatkan Pertumbuhan Tanaman, Hasil, dan Mutu Benih Padi , Agustiansyah; Satriyas Ilyas; , Sudarsono; Muhammad Machmud
Indonesian Journal of Agronomy Vol. 41 No. 2 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of the study was to determine the effect of seed treatment on growth, seed quality, P fertilizer utilization, and rice production in the glasshouse. The experiment was conducted in a split plot design with three replications from January to June 2010.The main plots were P fertilizer rates (0, 50, and 100 kg SP-36 ha-1), and sub plots were (1) negative control (seeds were not inoculated by Xanthomonas oryzaepv. oryzae(Xoo) and without seed treatment); (2) positive control (seeds were inoculated by Xoo); (3) seeds were inoculated by Xoo and immersed in Pseudomonas diminutaA6 suspension; (4) seeds were inoculated by Xoo and immersed in Bacillus subtilis5/B suspension; (5) seeds were inoculated by Xoo and immersed in P. diminutaA6 + B. subtilis5/B suspension; (6) matriconditioning + P. diminutaA6, (7) matriconditioning + B. subtilis5/B, and (8) matriconditioning + P. diminutaA6 + B. subtilis5/B. The results showed that seed treatment with biological agents P. diminutaA6, seed treatment with P. diminutaA6 + B. subtilis5/B were the best seed treatments to improve plant growth and yield of rice. Treatment with matriconditioning + P. diminutaA6 + B. subtilis5/B was the best treatment to enhance seed germination. Soaking the seeds in B. subtilis5/B suspension or P. diminutaA6 + B. subtilis5/B suspension reduced the use of P fertilizer, based on the number of grain, total number of grain, percentage of grain per panicle. The highest seed yield obtained from both treatments was with the application of P fertilizer 50 kg ha-1. Keywords: biopriming, matriconditioning, rhizobacteria, seed viability, seed vigorABSTRAK

Co-Authors Ardian Ardian Basoeki, Tjipto R. Eko Pramono Ermawati Ermawati Immas Nurisma, Immas Kresna Kresna, Kresna Kurniati, Ayu Muhammad Kamal Muhammad Machmud Muhammad Machmud Paul Benyamin Timotiwu Ridwansyah, Budi Satriyas Ilyas Sudarsono Tumiar Katarina Manik Yayuk Nurmiaty

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