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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

Author-ID : 2935243

Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Energy Environmental Science

Published : 39 Documents Claim Missing Document

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Aplikasi Rizobakteri Pantoea agglomerans untuk Meningkatkan Pertumbuhan dan Hasil Tanaman Jagung (Zea mays, L.) Varietas Hibrida BISI-2 I GUSTI NGURAH RAKA; KHAMDAN KHALIMI; I DEWA NYOMAN NYANA; I KETUT SIADI
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (106.33 KB)

This experiment was conducted in the village of Sibang Gede, District of Abiansemal, BadungRegency on November 2011 until February 2012. The research objective is to enhance the growth andyield of maize hybrid BISI-2 using rhizobacteria Pantoea agglomerans as PGPR in compostformulations. This study used a randomized block design (RBD) single factor with 5 treatments and 5replications. The treatments tested were P. agglomerans BS7a, P. agglomerans BS7b, P. agglomeransBS2a, and P. agglomerans BS5a. All treatments P. agglomerans formulated in the form of compostand given a dose of 50 g/hole. As a control dose of compost 50 g/hole without PGPR. The resultsshowed that the application of rhizobacteria P. agglomerans increased the maximum plant height, netassimilation rate, crop growth rate, chlorophyll content of leaves, fresh weight of roots per plant, ovendried weight of stover per plant, number of seeds per plant, cob length, cob diameter, seed weightmoisture content of 12% per plant and seed yield of 12% water content per hectare.

Efektivitas PGPR Formulasi Kompos Dalam Meningkatkan Ketahanan Tanaman Kedelai terhadap Soybean Stunt Virus I KETUT SIADI; KHAMDAN KHALIMI; I DEWA NYOMAN NYANA; I GUSTI NGURAH RAKA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effectiveness of PGPR Compost Formulation in Improving Soybean Plant Resistance to Soybean Stunt Virus. Soybean stunt virus (SSV) is one of important obstacles of soybean production in Indonesia. This virus causes the stunting on soybean plant and may cause the yield losses up to 71%. Eight isolates of plant growth promoting rhizobacteria (PGPR) were isolated and tested for their efficacy to control SSV on soybean. Those isolates are Paj, Pak2, Pa1, Pa3, Pa4, BT, and KT. Application of PGPR was done by soaking the seeds in PGPR solution prior to planting and application of PGPR in compost formulation. Virus concentration and disease incidence were determined using DAS-ELISA. Results of this study showed that application of PGPR in compost formulation suppressed disease incidence caused SSV. Disease incidence on treated plants ranged between 10% to 25%, while all of plant (100%) on un-treated plants were infected. Peroxidase activity on treated plants increased by 80.25% to 97.33% in comparison with un-treated plants. These results suggested that application of PGPR in compost formulation could increase the resistance of soybean against SSV. Hence, PGPR can be considered as one of measures to control SSV on soybean.

Penentuan Waktu Panen untuk Produksi Benih Bermutu Tanaman Kacang Panjang (Vigna sinensis L.) IDA AYU MAYUN; A.A. MADE ASTININGSIH; I WAYAN SEDANA; I GUSTI NGURAH RAKA
Agrotrop : Journal on Agriculture Science Vol 11 No 1 (2021)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2021.v11.i01.p03

Determination of Harvest Time for Quality Seed Production of Long Bean Plants (Vigna sinensis L.). Seed maturity generally occurs at the same time as fruit maturity. When the fruit reaches its physiological level, it is the best time to get seeds with high quantity and best quality. Early harvest before physiological maturity many seeds have not been completely filled so that they will produce low quality seeds because many seeds are wrinkled. Meanwhile, when harvested after physiological maturity, the seeds experience weather conditions so that many seeds experience physical and physiological quality deterioration. The research aimed to get the right harvest time in the production of quality seeds of long bean plants. This study used a randomized block design with 6 treatments at harvest pods after blooming and 4 replications. The six treatments were harvest age 14, 17, 20, 23, 26, and 29 days after the flowers bloom. The results showed that the right time to harvest pods for the production of long bean seeds was 26 days after blooming, the color of the pods has changed from green to yellow, the seeds have the highest dry weight (7,56 g), the best germination capacity (100%), and maximum vigor (88,78%).

Produktivitas Benih Cabai Rawit Setelah Diperlakukan Dry Heat Treatment dan Penyimpanan I GUSTI NGURAH RAKA; I DEWA NYOMAN NYANA; NI LUH MADE PRADNYAWATHI
Agrotrop : Journal on Agriculture Science Vol 3 No 1 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Productivity of Pepper Seeds Which are Treated Dry Heat Treatment and Storage Pepper plants (Capsicum frutescens L.) is one type of horticultural crops which is very high usage levels therefor, it is necessary to increase productivity dramatically. One effort to fulfil the need is preparing healthy seed with long shelf life . This study aims to determine the growth and yield of pepper plants whose seed was treated with dry heat treatment and storage. The experiment was conducted in Br . Marga Tengah, Kerta Village, Payangan District, Gianyar Regency, since May to October 2013. This study used a randomized block design (RBD) with two factors and four replications. The first factor is treated seeds by dry heat treatment at two levels i.e. given dry heat treatment at 70OC for 72 hours (D1) and without dry heat treatment (D0). The second factor is the storage of seeds with three levels, namely: non-stored seeds (T0), seed stored 2 months (T2) and the seeds stored for 4 months (T4). The results showed that there was no interaction between treatment with dry heat treatment and seed storage treatment of all variables of growth and yield of pepper plants. Dry heat treatment resulted the better growth and yield compared to non dry heat treatment. An increase in the number of fruit harvest as much as 33,43% and increased the weight of the fruit harvest per hectare as much as 33,79% on dry heat treatment compared with no dry heat treatment. Treatment of seed storage until the shelf life of 4 months did not affect the growth and yield of pepper plants.

Penggunaan Pupuk Kompos Untuk Hasil Benih Kacang Panjang (Vigna sinensis L.) di Subak Basang Be NI PUTU SUCITA ANGGRAENI; I GUSTI NGURAH RAKA; I KETUT ARSA WIJAYA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Use Of Manure Composting For Seed Of Long Beans (Vigna sinensis L.) in Subak Basang Be. This study was conducted in March 2015 until July 2015 in Subak Basang Be, Village Perean, Baturiti District, Tabanan, Bali, aims to test the use of a dose of fertilizer which can provide the seed with the highest quantity and determine the effect of compost on the quality physical and physiological seed beans. This study uses a randomized block design (RAK) with 5 treatments and 5 replications. The fifth is the control treatment (P0), 5 t/ha (P1), 10 t/ha (P2), 15 t/ha (P3), and 20 t/ha (P4). The results showed that a dose of compost 10 t/ha enhances growth and yield. Seed yield per hectare obtained as much as 381.43 kg/ha, the seed is the same height as that obtained at a dose of 15 t/ha and 20 t/ha. The treatment dosages of 10 t/ha can improve physiological seed quality (germination (96.80%) and vigor storability (68.40%)). Value germination and vigor power savings as high as those achieved at a dose of 15 t/ha and 20 t/ha.

Problems that Affect Quality of Rice Seeds During Processing WAYAN SUENA; I GUSTI NGURAH RAKA; KETUT BUDIAWAN
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Temporary storage ofthe rice seed during processing, their quality mostly affected by moisture content.Aimed of the experiment is to know the effect of moisture content to the viability of rice seed during processing (short or temporarystorage). The experiment was conducted at Laboratory Department of Agronomy, Faculty of Agriculture, Udayana University. The experiment results show that the interaction effect between moisture content and storage were highly significant to almost all variables observed. The most short dormant occurred at the treatment of 12-14% moisture content for all storage levels. The highest germination capacity obtained at the moisture content of 12-14% with two weeks storage period. The treatment of 21.5% moisture content for all storage levels caused the longest dormancy, with the lowest germination capacity as compared to that of other treatments. Physical tortureaimed to test the storage capacity, where the seeds were treated for 72 hours at 40oC temperature and 100% relative humidity, it was found able to break dormancy.

POTENSI PSEUDOMONAS AERUGINOSA SEBAGAI AGENS BIOKONTROL TERHADAP SCLEROTIUM ROLFSII SACC. DAN BIOSTIMULAN PADA TANAMAN KEDELAI KHAMDAN KHALIMI; I GUSTI NGURAH RAKA; I KETUT SIADI
Agrotrop : Journal on Agriculture Science Vol 1 No 2 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Potential of Pseudomonas aeruginosa as Biological Control Agents against Sclerotium rolfsii Sacc. and Biological Stimulants on Soybean Plant. The objectives of this experiment were conducted to evaluate the effectiveness ofP. aeruginosa as an agent of biological control and biological stimulants. P. aeruginosawere tested for antagonistic activity against Sclerotium rolfsii Sacc. The test for antagonistic activity by bacteria was done through side by side culture. Soybean seeds that will be used in the rhizobacteria treatment were soaked in rhizobacteria suspension for 15 minutes. For wihout the treatment, seeds soaked with sterile water instead of rhizobacteria suspension. Results of this experiment,P. aeruginosa showed strong inhibitory activity againstS. rolfsii Sacc. on PDA medium. Percentage of inhibitory activity was 94,4%. Application of P. aeruginosa significantly increased the plant growth. The maximum plant hight, the maximum number of leaves, fresh and dry weights of root, fresh and dry weights of shoot, and chlorophyll content on treated plants significantly higher than those of un-treated control plants according to the Duncan’s multiple range test (P<0.05%). These results suggested that application of rhizobacteria could promote the plant growth and increase the yield.

Produksi Benih Cabai Rawit (Capsicum frutescens L.) Bebas TMV(Tobacco mosaic virus) Melalui Dry Heat Treatment I KETUT SIADI; I GUSTI NGURAH RAKA; I GUSTI NGURAH WISNU PURWADI
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (100.426 KB)

The study was done in Denpasar, Bali under greenhouse condition as well as in the field. The objective of the research is to know the effectiveness of dry heat treatment to inactivate TMV which was contaminated chili pepper seeds, and to improves the seeds quality. The seeds which were dry heated under 40ºC for 24 hours and hereinafter 70ºC for 72 hours showed to have no different viability with those of non treated seeds. These indicated that dry heat treatment does not affect to germination of chili pepper seeds. The dry heat treated chili pepper seeds (DHS), non treated ones (NT), and manually TMV-contaminated DHS (DHS+TMV) were planted under field condition. Verification of TMV infection in the 90 days old chili pepper plants by enzyme-linked immunoassay revealed that the rate of TMV infection were 57.89%, 12.5% and 100% for NT, DHS and DHS+TMV. These results indicated that the TMV source was abundance in the field. Infection of TMV in the chili pepper plants given much effect on the plant height, branch number and production. These research results suggest a possibility of using dry heat.

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

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

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