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All Journal Jurnal Ilmu Pertanian Agrotrop : Journal on Agriculture Science AGRITROP Journal of Agricultural Science and Biotechnology Bumi Lestari E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) jurnal Ilmu Pertanian (Agricultural Science)
I GUSTI NGURAH RAKA
Program Studi Agroekoteknologi Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Environmental Science

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PENGARUH LAMA PENIRISAN TERHADAP DAYA SIMPAN BENIH KAKAO (THEOBROMA CACAO L.) PUTRI DARMAWATI, IDA AYU; NGURAH RAKA, I GUSTI; KETUT AGUNG, IDA BAGUS
AGRITROP Vol. 26, No. 2 Juni 2007
Publisher : AGRITROP

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Abstract

This experiment was carried out at Laboratory of Seed Technology, Agronomy Department, Faculty of Agriculture, Udayana University. The aim of this experiment was to find out the effect the airing periods on seeds water content, storability and viability of cacao seeds. Wet sawdust (60% water content) was used to keep the cacao seeds in storage. The cacao seeds was airing in four level before storing, those are: 1) without airing, 2) airing in two days, 3) airing in four days, and 4) airing in six days. The completely randomized design with six replications was used in this experiment. Every three days along the 30 days storage periods, the percentage of seeds germinated in storage, seeds water content, seeds germination, the unison of seedling growth, and the performance of seedling (leaf number, height, long of primary root, and totally of seedling dry weight) were detected. The storing using sawdust (60% water content) can save the viability and vigor of cacao seeds which is by six days airing experience. Storing seeds as long as 15 days can save the seeds germination by the rate of more than 80%, and up to 50% seeds germination rate can be save on the 21 days store periods. Storing seeds as long as 9 days can save the cacao seeds vigor?s (with the variable of unison of seedling growth) by the rate of more than 80%. The seedling performances were not significant differences between the level of airing treatment, which is detected every 3 days along 30 days store periods.
Produksi Dan Mutu Benih' Beberapa Varietas Kedelai dan Tingkat Populasi Pada Budidaya Basah I Gusti Ngurah Raka
Jurnal Ilmu Pertanian Vol 9, No 2 (2002): November
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.58605

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PEMANFAATAN RHIZOBAKTERI PELARUT FOSFAT DARI TANAMAN LEGUM UNTUK PENINGKATAN PERTUMBUHAN DAN HASIL TANAMAN KEDELAI Ni Komang Budiyani; G. N. Alit Susanta Wirya; I Made Sudana; I Gusti Ngurah Raka
Journal of Agricultural Science and Biotechnology Vol 7 No 1 (2018)
Publisher : Journal of Agricultural Science and Biotechnology

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Abstract

Soybean is one of the strategic commodities in Indonesia. Soybean became the third most important crop after rice and maize. Leguminose plants are known to have microbial diversity in soils through their root exudates and can have a positive impact on plant growth. The use of rhizobacteria, known as Plant Growth Promoting Rhizobacteria (PGPR), is a bacteria that lives in the root area (rhizospher) and plays an important role in the growth of plants with the ability to form colonies around the roots quickly and can maintain environmental sustainability, one of bacteria rootsis phosphate solubilizing bacteria. This research is conducted to determine the influence of phosphate solubilizing bacteria on the growth and yield of soybean crops. This study used a factorial pattern (RAK) with 3 repetition and 9 treatments. Treatments of Rhizo 09 isolates from undis Rhizosfer here showed the best results.The analysis of sequencing and pyhlogeni shows that Rhizo 09 has close proximity withFlavobakterium johnsoniae from China and having a high similarity (98%) and a small genetic distance (0.003).
PENGARUH DRY HEAT TREATMENT TERHADAP DAYA SIMPAN BENIH CABAI RAWIT (Capsicum frutescens L.) I Gusti Ngurah Raka; Anak Agung Made Astiningsih; I Dewa Nyoman Nyana; I Ketut Siadi
Journal of Agricultural Science and Biotechnology Volume 1, No 1, Tahun 2012
Publisher : Journal of Agricultural Science and Biotechnology

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Abstract

The aims of this experiment were to compare the shelf life of chili pepper seeds given dry heat treatment (DHT) and non dry heat treatment (NT). This experiment was conducted in Laboratory of Seed Technology Faculty of Agriculture, Udayana University. The study consisted of two experiments that attempt to use lots of chili seeds treated with dry heat treatment (DHT) and experimental use a lot of chili seeds without dry heat treatment (NT). This experiment uses a randomized completely design (RCD) with 10 replications.  Each type of chili pepper seeds tested each power shelf with 10 replications. Storage treatment performed at room temperature, which consists of non-storage (T0), storage for 2 weeks (T2), storage for 4 weeks (T4), storage for 6 weeks (T6) and storage for 8 weeks (T8). Thus, for each lots of chili pepper there are 50 experimental units. Treatment until 8 weeks of storage time did not affect the viability and vigor of pepper seeds either DHT or NT with value up to 80%, so they do not affect seed longivity.  The dry heat treatment (DHT) showed the values of seed and seedling vigor are higher compared to that of no dry heat treatment (NT).
UPAYA PENGEMBANGAN VARIETAS JAGUNG TAHAN KERING MELALUI EVALUASI GALUR SMCT-2 Wayan Sudarka; Sang Made Sarwadana; I Gusti Ngurah Raka; Ni Luh Made Pradnyawati; I Gusti Alit Gunadi
Bumi Lestari Journal of Environment Vol 9 No 2 (2009)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The research entitled “ Developping drought resistance of corn variety via evaluation of SMCT-2 line ” which aimed to achieve of agronomic characteristic varians and yield potential of SMCT-2 compare with SMCT-1 line and their parent. This research considered to conduct at dry season in Denpasar about 2007 and 2008. Selection method on this research is purporsive random sampling. Evaluation of variance selection line (SMCT-2) compare to parent showed significant different (F= 0,05) of some variables such as total of leafs, plants hight, leafs area, internodes, diameter of stems, position of ears corn, silks period, grains line on ears, ears length, grains weight per plant, weight of 100 grains per plant. Non-significant variance of variables is: length of internode, ears corn diameter, dry weight of raw materials, total of productive ears corn, initial period of tassels. Variances of entire variables of SMCT-2 relatively are lower than parent and SMCT-1 line. The higher variances of SMCT-2 are showed on height of plants (526,30) , leafs area (4011,10), position of ears-corn (205,58), dry weight of raw materials (5641,37), dry weight of ears-corn per plant (188,82), total of grains per plant (4335,26), dry weight of grains per plant (276,58). Coerffient of variance showed that SMCT-2 line, SMCT-1 line and parent less than 20 %. Average of variables to support production SMCT-2 line yields are relatively higher than parent is showed by: length of ears corn (13,20 %), dry weight of ears corn (5,6 %), total of grains per ear-corn (15,23 %), lines number of seeds per ear corn (4,80 %), dry weight of grains per plant (27,61 %), dry weight 100 grains per plant (3,33 %). Dry weight of yield SMCT-2 line was founded 5,02 ton per hectar, which is higher 4,58 % than SMCT-1 (4,8 ton per hectare), and is higher 8,71 % than parent (3,9 ton per hectare), with population 50.000 plants per hectare. This line was relative resistance on drought, show that was devolved to produced new variety for the arids areas.
Pengaruh Plant Growth Promoting Rhizobakteria (PGPR) terhadap Pertumbuhan dan Hasil Tanaman Kacang Tanah (Arachis hypogaea L.) I MADE DWI ANJARDITA; I GUSTI NGURAH RAKA; IDA AYU MAYUN; I NYOMAN SUTEDJA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effect of Plant Growth Promoting Rhizobacteria (PGPR) on Growth and Results of Peanut (Arachis hypogaea L.) This study aims to determine the type of rhizobacteria that have better ability to improve the growth and yield of peanut. The design used was randomized block design with 5 treatments is RB35 (undis rooting plants from Beratan, Sukasada), RB36 (undis rooting plants from Kubutambahan, Buleleng), RB3 (kara benguk rooting plants), RB9 (lamtoro rooting plant) and Controls. Each treatment repeated 5 times. This study observed plant height, number of leaves, number of branches, chlorophyll content, number of root nodules, weight of oven dry roots, weight of oven dry stalks, number of pods per plants, number of pods contain per plants, weight of 1000 seeds, dry seeds weight of oven and predicted yield per hectare. The results showed that the four rhizobakteria there are RB35, RB36, RB3 and RB9 able to increase the growth and yield of peanut plants. From the four rhizobacteria, there are 3 rhizobacteria that have higher ability in increasing peanut yield of RB35 (3.72 tons ha-1), RB36 (3.68 tons ha-1) and RB3 (3.50 tons ha-1) compared to RB9 (3.25 tons ha-1) of plants without rhizobacteria or control (2.04 tons ha-1).
Pengaruh Dry Heat Treatment Dan Pengokeran Terhadap Pertumbuhan Dan Kesehatan Bibit Cabai Rawit (Capsicum Frutescens L.) NI KADEK AYU WIDAYANTHI; I GUSTI NGURAH RAKA; I KETUT SIADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.1, Januari 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Effect of Dry Heat Treatment and Container on Seeds Growth and health of Chilli Pepper (Capsicum frutescens L.)The dry heat treatment (DHT) technology had improve that it can inactivation viruses disease on seed, so it have to implement in seedling for production of healty seeds. This study was aims to determine of influense of DHT and container agains chilli papper of seed growth which healty and resistence against environment condition in fields. The design used in this study was completely randomized design with 4 treatments and 6 replications. The treatments were combined clod DHT, DHT combination of polybags, non-dry heat treatment (NDHT) clod or the ability of local farmers, and the NDHT combination polybags. The variables measured in this study include, germination, chlorophyll content, number of leaves, plant height, leaf area, root length, fresh weight and oven dry weight. The results showed that clod DHT most effective in producing healthy chilli papper seeds and able to adapt in the field. While NDHT was not effective in producing healthy chilli seeds and not able to adapt in the field.
Pengaruh Rhizobakteria Pelarut Fosfat Terhadap Pertumbuhan dan Ketahanan Tanaman Kedelai (Glycine max (L) Merill) terhadap Patogen Virus Mosaic PUTU MAHADIPTHA; I MADE SUDANA; I GUSTI NGURAH RAKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.2, April 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The impact of solvent rhizobacteria phosphate on the growth and resistence of soybean (Glycine max (L.) Merill) towards mosaic virus phatogen This study aims to obtain isolates rizobakteri are able to increase the growth and survival of soybean plants. The design used was a randomized block design (RAK) with 14 treatments and 3 replications. The treatment consisted of 13 isolates of rhizobacteria and one as a control (no isolates rhizobakteria). This research is a pot with plant growth and survival variables include; plant height, number of branches, number of leaves, chlorophyll content, number of pods, number of seeds and seed weight, and predict the yield per hectare, phenol, salicylic acid and peroxidase.The results showed three isolates rizobakteri, which isolates Rf 53, Rf 6 and Rf 26 has a better ability than the other rhisobakteria isolates. The third isolates capable of increased plant height, number of branches, number of leaves, chlorophyll, number of pods, number of seeds and seed weight, and predict the yield per hectare. Events systemic acquired resistance (SAR) in plants, namely the accumulation of phenolic compounds, salicylic acid, peroxide, and jasmonik acid. Jasmonic acids able to produces related-proteins (PR-proteins) which is really functional for plants resistance towards pests or diseases.
Daya Simpan Benih Tomat (Lycopersicum esculentum mill.) Hasil Beberapa Teknik Ekstraksi I NYOMAN RAGANATHA; I GUSTI NGURAH RAKA; I GEDE KETUT SIADI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.3, No.3, Juli 2014
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

AbstractTomato Seed (Lycopersicum esculentum Mill.) Storability of Some Extraction Techniques Results                 Shelf life tomato seeds produced by different seed extraction techniques studied using completely randomized design ( CRD ) with three treatments of seed extraction technique and nine replicates. Three seed extraction techniques used are: extraction technique with 2 % HCl, washed with water extraction techniques, and extraction techniques with immersion in water for 24 hours. The seeds are dried until the moisture content ranges from 5 %, then stored at room temperature. Observations before storage include: seed moisture content, the amount of seed moisture content of 5 % per 5 g of seeds, seed purity, germination and speed of germination. Observations during storage include: seed moisture content,  germination and speed of germination. The results showed that the extraction technique of soaking seeds with 2 % HCl able to produce seeds with the lowest percentage of impurities so that the absorption of moisture during the storage period was also the lowest. Extraction technique of soaking seeds with 2 % HCl able to maintain the viability of the seed germination above 80 % until the 12 -week storage period at speeds high enough to germinate. While the seeds of other extraction techniques which have a shorter shelf life. Further research on the storage technique that is able to maintain the viability and vigor of tomato seeds for a longer shelf life.   Key words : Tomato seeds, extraction, seed storage, viability, vigor
Pengaruh Sumber Bonggol dan Media Tanam pada Pembibitan Tanaman Pisang Kayu (Musa paradisiaca L.cv.Kayu) I KOMANG AGUS SUPRIANA; GEDE WIJANA; I GUSTI NGURAH RAKA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.2, April 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Influence of excrescence type and planting media on the seeding of banana Kayu plant (Musa paradisiaca L. cv This research aims to obtain the treatment interaction of the best excrescence type and planting media on the seeding of banana Kayu plant. The research was conducted on April until July 2014, using Random Design Factorial Group with 3 repetitions. The first factor is the type of excrescence (sword seedling excrescence, mature seedling excrescence, and fruitful excrescence), meanwhile the second factor is the planting media of soil + sand + charcoal chaff (v:v:v = 2:1:1); soil + sand + compost (2:1:1); soil + sand + charcoal chaff + compost (2:1:0.5:0.5). Banana excrescence was taken from the healthy plant, then it was split and soaked in the Biota L solution for 1 hour. The excrescence is planted on polybag with planting media according to the treatment, and located under the shelter of paranet 75%. The result of research showed that (1) There was an interaction between the treatment of excrescence type and planting media toward the period of bud emergence, the fastest (6.6 Day after Planting) was showed in the treatment combination of mature seedling excrescence which being planted on the media of soil + sand + compost (2:1:1); (2) The use of sword seedling excrescence resulted in the height of bud, trunk circumference, amount of leaves, and the best leaf area; (3) The planting media of soil + sand + charcoal chaff (2:1:1) resulted in the height of bud, trunk circumference, amount of leaves, and the best leaf area. Keywords: Seedling of Banana Kayu, Banana excrescence, Planting media.
Co-Authors A.A.M. ASTININGSIH ANAK AGUNG MADE ASTININGSIH AYU GEK MIRAH LESTIANINGRUM DEWA NYOMAN PREMA ANANDA FRANSISCO FILIPE GAMA GEDE WIJANA Gusti Ngurah Alit Susanta Wirya HERRY KUSUMA YUDHA HESTIN YUSWANTI I Dewa Nyoman Nyana I GEDE ARDYAWAN I GUSTI ALIT GUNADI I GUSTI NGURAH WISNU PURWADI I KETUT ARSA WIJAYA I Ketut Siadi I KOMANG AGUS SUPRIANA I MADE BAGUS ANGGARA I MADE DWI ANJARDITA I Made Sudana I MADE SUDANA I NENGAH ARTHA I NYOMAN RAGANATHA I NYOMAN SUTEDJA I PUTU RINATA ASTAWA I WAYAN GUNARTA I WAYAN SEDANA IDA AYU MAYUN IDA AYU PUTRI DARMAWATI IDA BAGUS KETUT AGUNG KADE LICANA LARASATI SURYAWAN KETUT BUDIAWAN KETUT SRINING Khamdan Khalimi LILIK HANDAYANI LUCIO NUNO NI KADEK AYU WIDAYANTHI NI KADEK DWIK PRADNYAWATI Ni Komang Budiyani NI LUH MADE PRADNYAWATHI Ni Luh Made Pradnyawati NI MADE YULI HANDAYANI NI NYOMAN ARI MAYADEWI NI NYOMAN DWI RESPITA NINGSIH NI NYOMAN TRISNA KENCANA DEWI NI PUTU NONIK SUGIANTARI NI PUTU SUCITA ANGGRAENI PUTU MAHADIPTHA ROBERTO BOBHOPE ARUAN SANG MADE SARWADANA UMU SA’ADAH UTAMI UTAMI Wayan Sudarka WAYAN SUENA YOSEPH SITIO