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All Journal Jurnal Hortikultura Indonesia (JHI) Agrotrop : Journal on Agriculture Science International Journal of Biosciences and Biotechnology Buletin Udayana Mengabdi Journal of Agricultural Science and Biotechnology E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Jurnal Hortikultura Journal of Degraded and Mining Lands Management Menara Perkebunan Agro Bali: Agricultural Journal Jurnal Bali Membangun Bali

GEDE WIJANA

Fakultas Pertanian Universitas Udayana

Author-ID : 417027

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Medicine & Pharmacology Public Health Social Sciences Transportation Other

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Kajian Potensi Bakteri Lumpur Lapindo sebagaiAgens Hayati terhadap Pyriculariaoryzaedan Agens Biostimulan pada Tanaman Padi ROYAN PRACAHYO; KHAMDAN KHALIMI; GEDE WIJANA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.4, No.1, Januari 2015
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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ABSTRACT The study of bacteria isolated from Lapindo mud as a bio-control agents against P. oryzae and bio-stimulant agents in rice plant Rice (Oryza sativa L.) is the staple food of more than 60% of the world’s population. One of the cause for the low productivity of rice in indonesia is the occurrences of rice blast disease caused by Pycularia oryzae . This study was done to evaluate the potential use of bacteria isolated from Lapindo mud as bio-control agents against P. oryzae and bio-stimulant agents in rice plant. The result showed that three isolate of bacteria isolated from Lapindo mud namely AA1, 20M14, and ZB11 significantly (P<0,05) inhibited the growth of P. oryzae on Potato Dextrose Agar (PDA) medium with inhibitory activity varied 85,07%, 86,58%, and 70,82%. Ten isolates of bacterial isolated from Lapindo mud significantly improved the growth of rice seedling. In which the plant heigth, number of root, content of chlorophyll in the leaf, number of lateral root length of root, and the fresh and dry weight of plant significantly (P<0,05) higher on treated plant when compared to control. This is result suggested that three isolates of bacteria isolate from Lapindo mud can be further developed as bio-control agents to inhibit the P. oryzae growth and ten isolates of bacteria isolated from Lapindo mud can be used as bio-stimulan agents. Keywords:Bacteria, Pycularia oryzae, Oryza sativa L.

Pengaruh Jumlah Bibit dan Pupuk Organik terhadap Pertumbuhan dan Hasil Tanaman Padi (Oryza sativa L.) IVAN MATHEUS NAINGGOLAN; GEDE WIJANA; I GUSTI NGURAH SANTOSA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.6, No.3, Juli 2017
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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The Effect of Number of Seeds and Organic Fertilizer on the Growth and Yield of Rice (Oryza sativa L.) This research aims to determine the effect of the number of seedling and organic fertilizers solid and liquid on the growth and yield of rice plants. The research was conducted on March 18 - July 3 2016 at the Greenhouse Garden Experiments Faculty of Agriculture, University of Udayana, Denpasar. The research method is a pattern of split plot using randomized block design consists of two factors: the main plot (organic fertilizer) and subplot (use the number of seeds). The main plot consisted of two levels are solid organic fertilizer and liquid organic fertilizer. Subplot consisted of three levels and 1 , 3, and 5 seedlings per hole. The data were analyzed using analysis of variance with Costat program. Results of statistical analysis showed that one interaction between the use of the number of seedling and organic fertilizers no real effect on the variables tested. The number of seedling treatment use did not significantly affect to the growth and yield, except the total number of tillers. Treatment of solid organic fertilizer is better than liquid organic fertilizer on the growth and yield of rice. Dry grain yield per harvested and oven dried clumps on the use of solid organic fertilizer is higher, at 22,69 g and 14,85 g, compared to using liquid organic fertilizer 15,11 g and 8,19 g. Associated with the use of the number of seeds is recommended to use the number of seeds one per hole, but for the implementation in the field required further research.

Respon Pemupukan terhadap Hasil dan Kualitas Buah Jambu Biji Kristal (Psidium guajava L. cv. Kristal) I WAYAN SUAMBA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Response of Fertilization on Yield and Quality of Guava (Psidium guajava L. cv. “Kristal”). Grower of “Kristal” guava (Psidium guajava L. cv Kristal) in Bali have not adopted good agriculture pratices (GAP) yet. Hence, it’s yield and quality has been low. The purpose of this study was to evaluate yield and quality of “Kristal” guava in response to fertilization. The experiments was arranged in Randomized Block Design (RBD) with eighteen replications. The treatments were P0 (organic fertilizer 5 kg), P1 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g) and P2 (organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g /plant, Zn and Cu (0,4%)). The result indicated that the maximum fruit weight per plant (15,22 kg) and fruit number per plant (55,56 fruit) were found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%) (P2). The maximum fruit diameter (8,27 cm) and fruit weight per fruit (273,55 g) were also found on fertilizer with organic fertilizer 5 kg, Urea 250 g, TSP 300 g, KCl 300 g, and Gypsum 500 g , Zn and Cu (0,4%).

Pengaruh Media Tanam dan Pemupukan terhadap Pertumbuhan Bibit Jambu Biji (Psidium guajava L.) untuk Batang Bawah I KADEK EKADANA; I NYOMAN RAI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Effects of Plant Media and Fertilization on The Growth of Guava Seed (Psidium Guajava L.) for The Under Stem. The availability of the rootstock with good growth very important in the Propagation of guava. Improvement of the factors that affect the growth of guava seedlings for rootstock needs to be done to spur its growth. The alternative that can be done is to improve vegetative growth by choosing the right planting medium and good fertilization. The research was conducted on farmers farm located in Banjar Tiyigan, Pelaga Village, Petang, Badung, Bali. The study used factorial randomized complete block design (RCBD). The first factor planting media consists of 4 levels i.e soil+sand, soil+sand+compost, soil+sand+rice husk and soil+sand+compost+rice husk. The second factor fertilization consisting of 3 levels i.e chemical fertilizer (NPK), liquid organic fertilizer (biourine) and NPK+biourine fertilizer, which were repeated 4 times. The results showed that there was no interaction between treatment of planting medium and fertilization. The treatment of planting media had significant effect on all observed variables, except for N and P leaf content. The treatment of fertilizer has a significant effect to the variation of leaf area, leaf plant and plant height. The best planting medium was found on mixed soil+sand+compost+rice husk with total dry weight of oven per plant 11.65 g very different from other media. Meanwhile for the treatment of NPK fertilizer added with biourine fertilizer gave the plant height of 29.04 cm is very different with other fertilizers.

Uji Adaptasi Galur Mutan Harapan Padi Gogo pada Lokasi Lahan Kering Dataran Tinggi Iklim Basah S.A.N. ARYAWATI; I N. RAI; I G. WIJANA
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Adaptation Test of Promising Upland Rice Mutant Line On Dry Highland With Wet Climate. Upland rice productivity is still low, productivity can be improved by using high yielding varieties through the breeding programs, by the Agency for agricultural research (BATAN). Test adaptation is necessary to determine the superiority of promising lines. The objective of this research was to determine adaptability, performance of growth, and productivity of mutant lines of upland rice. Research used randomized complete block design (RAK) single factor with 10 lines of treatment the results of gene mutation and 2 check varieties with three replications. Those treatments were PMG 01/Psj, PMG 02/Psj, PMG 03/Psj, PMG 04/Psj, PMG 05/Psj, PMG 06/Psj, PMG 07/Psj, PMG 08/Psj, PMG 09/Psj, PMG 10/Psj, Limboto and Local. The research was conducted on August 2014 until February 2015 in Tiga Village, District Susut, Bangli regency at high dry land wet climate. Data were analyzed by analysis of variance (Annova) and LSD test at 5% level. The results showed that tested of promising mutant lines show significant differences were observed in all parameters. Treatment of lines PMG 05/Psj, PMG 06/Psj, and PMG 08/Psj gave a yield of 2.22; 2.66; and 3.18 tons GKG/ha or higher than Limboto and Local check varieties as big as 2.04 and 0.90 tones GKG/ha. The three lines showed the parameters of flowering dates, number of filled grain, empty grain, and weight of 1000 grain, harvest time, KAR leaf, and chlorophyll better than check varieties. Lines of PMG 08/Psj gave the results 36.49% higher than Limboto and 71.78% higher than local varieties.

Dinamika Populasi Hama dan Penyakit Utama Tanaman Jagung Manis (Zea mays saccharata Sturt) pada Lahan Basah dengan Sistem Budidaya Konvensional serta Pengaruhnya terhadap Hasil di Denpasar-Bali SALBERD FERDINAN RONDO; I MADE SUDARMA; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 6 No 2 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Dynamics of Pest Population and Main Diseases of Sweet Corn Plants (Zeamays saccharata Sturt) at Wetland with Conventional Cultivation Systemand Their Effect on Yields in Denpasar-Bali. The study was conducted usingsurvey techniques of pests and diseases in paddy fields belonging to farmers in Denpasar-Bali, which consists of three fields. The three areas were Sidakarya, Renon and Kesiman.Plant samples in each land were taken using the sample plot diagonal method, with the areaof diagonal plot in each land was 3 m x 3 m. Plot observations on each of the specified areaof plant samples was done randomly (lottery) as much as 25% of the total number of plantsper-plot, then observation was done for population growth of pests and diseases, temperature,humidity and crop yield. The observations was started from 1week old plants after planting(MST) to 1 week before harvesting, with intervals of 1 week. Recording the population ofpests and diseases from week to week, the temperature condition and humidity in each areaand the condition of the field ( the existing other plants, mulching). Recorded informationabout conventional cultivation systems applied by each farmer were be explored throughinterview techniques. The data were then analyzed using correlation and regression and weredescriptively explained. The results showed that there were four main types of pests (locusts,seed flies, armyworm and caterpillars cob) and three kinds of major diseases (blight, rust anddowny mildew) associated with sweet corn. The results also showed that there was nosignificant between the correlation dynamics of pest population and diseases withtemperature and humidity. As for the commercial harvest, significant effect was shown by thediseases that had an impact on the decrease in yield in quantity especially downy mildew andpest impact on the quality of yields, especially caterpillar cob.

Pengaruh Penambahan Ca(NO3)2 Terhadap Hasil Tanaman Selada Kriting (Lactuca Sativa L.) pada Sistem Hidroponik Deep Flow Technique (DFT) NI NYOMAN SURYANTINI; GEDE WIJANA; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 10 No 2 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/AJoAS.2020.v10.i02.p08

The Effect of Addition of Ca(NO3)2 to the Results of Lettuce (Lactuca sativa L.) in the Hydroponic System of Deep Flow Technique (DFT). Plants, in general, require composition, concentration, and volume of nutrient solutions which different depends on the type and phase of plant growth. Leaf vegetable crops such as lettuce (Lactuca sativa L.) require higher Nitrogen (N) nutrients than other vegetable crops, but the problem we faced at the moment is the hydroponic nutrients that are traded only in the general form of nutrient, therefore the addition of N nutrients in the form of calcium nitrate (Ca(NO3)2) needs to be done to meet the needs of lettuce plants. This study was aimed to determine the effect of the addition of Ca(NO3)2 and to find the optimum dosage of the addition of Ca(NO3)2 to the general hydroponic nutrition of vegetables on lettuce use DFT hydroponic system. The treatments consisted of five levels which are nutrition AB Mix general vegetable as a control, and nutrition AB Mix with the addition of 30 g, 60 g, 90 g, and 120 g Ca(NO3)2. The results of the observation showed that the treatment of the addition of Ca(NO3)2 fertilizer had a very significant effect on all observed variables, except for the diameter of the lettuce plant. The optimum addition of Ca(NO3)2 for lettuce was found at 90.04 g with a maximum yield of 207.92 g.

Pengaruh Pemberian Pupuk Dolomit dan Pupuk Kandang Sapi terhadap Sifat Kimia Tanah, Pertumbuhan dan Hasil Tanaman Kacang Hijau (Vigna radiata L.) di Distritu Baucau Timor Leste DECIO ARISTA ESTANISLAU DA COSTA RIBEIRO; NI LUH KARTINI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Effect of Dolomit Fertilizer and Caw Manure on Soil Chamical Properties, Growth and Yield of Green Beans (Vigna radiata L.) in Distirct Baucau East Timor. Dry land use in East Timor Baucau District in particular is one step in improving the potential of land for the development of dry land crops such as green beans. The use of green bean varieties of finches and dolomite fertilizer and cow manure with multiple doses of use to be one of the alternative chemical properties of soil fertility improvement and increase crop yields of green beans. Fields trials have done to research the influence of dose and dose dolomite manure on soil chemical properties and yield of green beans on dry land in the Baucau District which lasts from January 2016 until March 2016. The experiment was arranged in the randomized block design with three replications. Treatment consist of a dose of fertilizer dolomite (0, 160, 320, 480 kgha-1) as the first factor and a dose of cow manure (0, 10, 20, 30 tha-1) as the second factor. The result showed that the interaction of dolomite fertilizer dose and dose cow manure affect the chemical properties of soil and yield of green beans. Increasing doses of fertilizer dolomite 480 kg ha-1 and 320 kg ha-1 affect the improvement of soil chemical properties of C-organic,P-avalaible, K-avalaible and Ca ground. Dose of cow manure 30 t ha-1 and 20 t ha-1 C-organic soil and crops yield in the form of dry weight of drying grain crops. Interaction dolomite fertilizer and cow manure can improve chemical properties (N-total and pH soil) may increase result of green beans (number of pods, fresh weight, dry weight oven plant, dry weight oven dried beans and heavy landscaping oven 100 seeds). Giving dolomite fertilizer with a dose of 480 kg ha-1 and cow manure 30 kg ha-1 can apllied to land in the study site and presence of advanced research different dosed to get best dosage with different plant species.

Pertumbuhan dan Hasil Berbagai Varietas Kacang Hijau (Vigna radiata (L.) Wilczek) pada Kadar Air yang Berbeda YUDHANI WIDHYA HARTIWI; GEDE WIJANA; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Growth and Yield of Various Mung Bean Varieties (Vigna radiata (L.) Wickzek in Different Water Content. Mung bean (Vigna radiata (L.) Wilczek) is a commodity crop beans are commonly grown on dryland and high protein. Problems encountered in cultivation of mung bean in dry land is low results, one of them the limited seed of drought stress tolerant therefore needs to be done against drought stress research production of mung beans. Objective to know the growth and the results of various varieties of mung beans at different water levels. This experiment using Random Design complete with two factors. The treatment consists of the water content of the soil with a capacity of 100% airy, 75%, 50%, 25% and varieties of Fore Belu, Kutilang, Vima-1, and Sriti. The results of the experiment demonstrated the interaction between moisture content and varieties against the number of pods per plant, number of seeds per plant dry weight, dry seeds per plant, seeds of oven dry weight per plant dry weight and the oven 100 seeds. Moisture content of the soil with a roomy capacity (100%) gives the results of dry weight per plant seeds under the highest (17.2 g) compared to other treatments. Varieties that produce the highest growth found in the varieties of Sriti. Moisture content of the soil with a capacity of 100% airy gives the best results on the plant mung beans. Most varieties are tolerant of most soil water content lower than the capacity of the airy is Sriti varieties.

Pengaruh Umur Panen dan Jenis Legum Penutup Tanah terhadap Kualitas Tanah di Lahan Kering ANTONIUS ALI; I GUSTI AYU MAS SRI AGUNG; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 6 No 2 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (149.835 KB)

Effects of Harvesting Time and Types of Legume Cover Crop on SoilQuality in Dryland Farming. Dryland is characterized by limited water resources, itdepends on amount and distribution of rainfall and its low quality of soil. Effort onimprovement of soil quality have been reported could be done through incorporating biomassof legume cover crops (LCC). Time of harvesting (then incorporated) and types of LCCdetermine the nutrients in the biomass, which finally affects the soil quality. A fieldexperiment was conducted to study the effects of time of harvesting and types of LCC on soilquality in dryland farming area in the village of Sengguan, Gianyar Regency, Bali Provincefrom August to December 2015. The experiment was arranged in a completely randomizedblock design with three replications. The treatments were the times of harvesting (or thenincorporation) (3, 6 and 9 weeks after sowing or WAS) was assigned as the first factor whiletypes of LCC (Mucuna pruriens L. (kara), Crotalaria juncea L.(orok-orok), and Phaseoluslunatus L. (kacang arbila)) as the second factor. Results of experiment indicated thatincorporated LCC biomass significantly (P<0.05) increased soil quality (physically,chemically and biologically). Mucuna pruriens and Phaseolus lunatus harvested and thenincorporated at 3 WAS significantly (P<0.05) increased chemical (organic-C, total-N,available K) quality of the soil, while when harvested 9 WAS the effects were moresignificant on physical (bulk density and porosity) quality. Soil moisture content increasedwhen Phaseolus lunatus was harvested and incorporated at 3 WAS, while microbial activities(indicated by soil respiration) increased when Mucuna pruriens was treated at the same time.

Co-Authors . SUBRONTO Abd. Rasyid Syamsuri ADINDA RIZKI NURANA ANAK AGUNG MADE ASTININGSIH Anandamurti, I Wayan Krisnayogi ANTONIUS ALI Butar, Adril Persada Butar Cokorda Gede Alit Semarajaya DARJO DARJO DAVID HARYSUSANTO DECIO ARISTA ESTANISLAU DA COSTA RIBEIRO Dewi, Ni Putu Elvina Kusuma Edi GUHARJA EUSEBIO GOMES Frangki Rionardo Lay GEDE MENAKA ADNYANA Gusti Ngurah Alit Susanta Wirya HAJRIAL ASWIDINNOOR Henrietto Innosensius Prasetyo HENRIETTO INNOSENSIUS PRASETYO I GEDE KRISNA PRATAMA PUTRA I GUSTI AGUNG BAGUS SURADARMA I Gusti Alit Gunadi I Gusti Ayu Mas Sri Agung I Gusti Ngurah Bagus I GUSTI NGURAH RAKA I GUSTI NGURAH SANTOSA I Gusti Ngurah Wahyu Arsadiarta I GUSTI RAKAWISNU I KADEK EKADANA I KADEK WAHYU WIDIATMIKA I Ketut Suada I KOMANG AGUS SUPRIANA I MADE AGUS KRISNA I MADE SUDANA I MADE SUDARMA I MADE SUDARMA I Made Sukewijaya I Made Surya Adi Putra Putra I MADE WIDIADA I N. RAI I NENGAH ARTHA I NYOMAN GEDE ASTAWA I Nyoman Rai I NYOMAN RAI I NYOMAN SUTEDJA I NYOMAN WIJAYA I NYOMAN YOGI SUPARTHA I PUTU GEDE ARDHANA I PUTU PANCA DIANTARA PUTRA I PUTU SUDANA I Wayan Diara I WAYAN GEDE WIRYANTARA I WAYAN SUAMBA I Wayan Suarna I Wayan Suarna I WAYAN WIRAATMAJA IDA AYU MAYUN Ida Ayu Putri Darmawati Ida Ayu Putri Darmawati Ida Ayu Putri Darmawati Ida Ayu Putri Darmawati Ida Ayu IDA PEREIRA DOS SANTOS IN RAI ING ASTAWA IVAN MATHEUS NAINGGOLAN Jaya Duarsa Mintarajasa KETUT KARTHA DINATA Ketut Weda Setora Khamdan Khalimi KOMANG INTAN CAHYANI Melvin Kala opung Ngurah Gede Astawa NI KADEK EMA SUSTIA DEWI Ni Komang Alit Astiari Ni Luh Kartini NI LUH MADE PRADNYAWATHI NI MADE TRIGUNASIH Ni Nyoman Ari Maya Dewi NI NYOMAN ARI MAYADEWI Ni Nyoman Suryantini NI NYOMAN SURYANTINI NI PUTU EKA APRIASTUTI NI WAYAN SUNITI NURITA TORUAN-MATHIUS PAULA TIBURSIANA LOLI TENTI PUTU SUGITA Rindang Dwiyani ROYAN PRACAHYO S.A.N. ARYAWATI SALBERD FERDINAN RONDO Sudirman Yahya UTAMA, I WAYAN EKA KARYA UTAMI UTAMI WIDHIANTHINI WIDHIANTHINI Wiraatmaja, Wayan YOSEPH SITIO YUDHA, I KADEK WISMA YUDHANI WIDHYA HARTIWI Yuyun Fitriani Yuyun Fitriani

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