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All Journal Agrotrop : Journal on Agriculture Science SOCA: Jurnal Sosial Ekonomi Pertanian AGRITROP International Journal of Biosciences and Biotechnology Buletin Udayana Mengabdi Journal of Agricultural Science and Biotechnology E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Jurnal Arsitektur Lansekap Plumula : Berkala Ilmiah Agroteknologi AGRIVITA, Journal of Agricultural Science Caraka Tani: Journal of Sustainable Agriculture Agro Bali: Agricultural Journal DWIJENAGRO: JURNAL ILMIAH Nandur

NI NYOMAN ARI MAYADEWI

Progam Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana, Indonesia 80114

Author-ID : 231712

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Social Sciences

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Perbaikan Kualitas Buah Anggur Bali (Vitis Vinifera L. Var. Alphonso Lavallee) melalui Aplikasi GA3 sebelum Bunga Mekar I NYOMAN GEDE ASTAWA; NI NYOMAN ARI MAYADEWI; I MADE SUKEWIJAYA; NI LUH MADE PRADNYAWATHI; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 5 No 1 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.948 KB)

Improvement of The Quality of Balinese Table grape (Vitis Vinifera L. Var. Alphonso Lavallee) using GA3 Application Before Flowering. Research concerning of “Improvement of Balinese Tablegrape (Vitis Vinifera L. Var. Alphonso Lavallee) using GA3 before flowering” had been done during May to August 2015 at the vineyard located at Kalianget Village, in Buleleng Regency, Bali. Theobjective of the research was to find out method in improving the quality of Balinese table grape using GA3 application. The experiment was designed as Randomized Block Designed, with GA3concentration as a treatment, i.e. 0, 50, 100, 150, 200 ppm. The results showed that, application of GA3 before flowering increased bunch length, improved oBrix, induced seedless, however decreasedberry weight.

Aplikasi Asam Giberelin (GA) Alami dari Ekstrak Rebung untuk Meningkatkan Kualitas Buah Tomat (Lycopersicum esculentum Mill.) NI NYOMAN ARYANINGSIH; NI NYOMAN ARI MAYADEWI; I PUTU DHARMA
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.p04

The Application of Natural Gibberellic Acid (GA) from Bamboo Shoot Extract to Increase Quality of Tomato (Lycopersicum esculentum Mill). Tomato is a horticultural plant that has a lot of benefits. To increase the quality and productivity of tomatoes can be done by giving plant growth substances. This research aimed to find out the effect of natural gibberellic acid (GA) from bamboo shoot on the quality of tomatoes and to get the best natural gibberellic acid concentration from bamboo shoot to increase the quality and productivity of tomatoes. This research was designed using Randomized Block Design which consisted of 1 factor that is natural hormone concentration from bamboo shoot, with 5 treatments. Every treatment was repeated for 5 times. The standard of the treatment consisted of K0 as a control, K1 which was sprayed by 25% of bamboo shoot extract concentration, K2 which was squirted by sprayed by 50% of bamboo shoot extract concentration, K3 which was squirted by 75% of bamboo shoot extract concentration, and K4 which was sprayed by 100% of bamboo shoot extract concentration. The bamboo shoot was sprayed before the tomatoes’ flower blossomed. This research found that the application of bamboo shoot extract affected the quality of the tomatoes itself and reduced the number of seeds of tomato itself. In conclusion, the best concentration that can reduce the number of tomatoe’s seeds is the concentration of 75% (K3) compared to control one with 77%.

Mekanisme Adaptasi Tanaman Padi pada Kondisi Cekaman Kekeringan dan Upaya Mengatasi Kegagalan Panen (Review) GEDE MENAKA ADNYANA; I MADE SUKEWIJAYA; NI NYOMAN ARI MAYADEWI
Agrotrop : Journal on Agriculture Science Vol 3 No 1 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Mechanism of Rice Adaptation at Drought Stress Conditions and Effort to Prevent Crop Failure Harvest losses of rice caused by drought is about 15-20% every year, so it needs rice varieties that can adapt to the conditions referred to in order to harvest losses can be reduced. To get the rice varieties that can adapt to environmental conditions such as drought, then the required information in advance about the properties owned by the rice plant varieties capable of responding to drought conditions. This paper is organized with the aim to study the mechanisms of adaptation of plant varieties of rice in drought stress conditions. Adaptation mechanisms are grouped into two main groups namely, anatomy morphological adaptation mechanism and physiology biochemical mechanisms of metabolic adaptation. Morphological adaptation mechanisms include anatomic distribution properties and root growth, maintain plant water potential, canopy temperature, the leaves curl and abort. Biochemical adaptation mechanisms include metabolic physiology traits ability to synthesize secondary metabolites such as ethylene and abscisic acid, osmotic adjustments such as increasing accumulation of sugars, amino acids and proline. Furthermore, to prevent crop failure takes effort to implement cultivation techniques schedules and cropping patterns, planting drought-resistant varieties, and the addition of organic matter.

Respon Pertumbuhan Bibit Salak (Salacca Zallaca) terhadap Dosis Spora Endomikoriza pada Media Pembawa Pasir Kuarsa dan Zeolit NI KADEK ARYANI; I NYOMAN RAI; NI NYOMAN ARI MAYADEWI
Agrotrop : Journal on Agriculture Science Vol 10 No 1 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

Response of Salak Seedlings (Salacca Zallaca) Growth to Dosage of Endomycorrhizal Spore in Quartz Sand and Zeolite Carrier Media. This study aimed to study the effect of endomycorrhizal spore dosage and carrier media that were applied directly to the roots of salak plants. The research designed as factorisl by using Randomized Block Design with 2 treatment factors. The first factor was number of endomycorrhiza spores consists of 4 levels i.e 0, 75, 150, and 225 spores per 500 g carrier media per polybag, while the second factor was the type of carrier media consist of 2 levels i.e zeolite and quartz sand. The results showed that interaction between endomycorrhizal spore dosage with carrier media did not significantly influence the growth of salak seedlings. Endomycorrhizal spores in doses of 75, 150 and 225 spores per polybag increased root infection and leaf P nutrient content compared to control, but seed height, leaf area, shoot dry weight, root dry weight and total dry weight of seedlings not significantly difference. The zeolite carrier media caused root infection by mycorrhizal was higher than quartz sand media, but the P nutrient uptake and seedling growth were not significantly different. Based on the results of this study it is necessary to make a longer observation of the effect of endomycorrhizal spore doses and carrier media on the growth of salak seedlings.

Aplikasi Ekstrak Hasil Fermentasi Biji Jagung dan Rebung untuk Meningkatkan Mutu Buah Anggur Bali (Vitis vinifera L. var. Alphonso Lavallee) I NYOMAN GEDE ASTAWA; RINDANG DWIYANI; NI NYOMAN ARI MAYADEWI; I MADE SUKEWIJAYA
Agrotrop : Journal on Agriculture Science Vol 6 No 2 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Applications of Extracts of Fermented Immature Corn Seed and BambooSprout For Improvement of Table grape Quality of Vitis vinifera L. var.Alphonso Lavallee. The objective of the research was to determine the effect ofapplication of extracts of fermented immature corn seed and bamboo sprout for improvementof table grape quality. The research was designed as Completely Randomized Block Design,with five treatments and ten replications. The treatments were K0 (control), J50 (extract offermented immature seed of corn with concentration of 50%)), J100 (extract of fermentedimmature seed of corn with concentration of 100%), R50 (extract of fermented bamboo sproutwith concentration of 50%) and R100 (extract of fermented bamboo sprout with concentrationof 100%). The results showed that all of the treatments improved sugar content of the fruit.However, the treatment of J100 resulted in the greatest increase of berry number per-bunchand the lowest number of seed per-berry. In conclusion, for improvement of the table grapequality, the treatment of J100 was the most appropriate among other treatments used in thecurrent research.

Perbaikan Kualitas Buah Jambu Biji (Psidium guajava L.) Kultivar Getas Merah melalui Aplikasi GA3, sebagai Upaya Meningkatkan Daya Saing Buah Lokal NI NYOMAN ARI MAYADEWI; I MADE SUKEWIJAYA
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Quality Improvement of Guava Fruit (Psidium guajava L.) “Getas Merah” Cultivar Through GA3 Application, as an Effort to Increase Local Fruit Competitiveness. This study aimed to improve the quality of fruit of Getas Merah guava, which reduces the content of fruit seeds by giving gibberellic acids (GA3). This research was conducted in Banjar Lawak, Bilok Sidan Village, Petang District, Badung Regency from July to November 2017. The area of guava plant used by farmers with rental system. Samples taken in the field and then analyzed at the Laboratory of Agronomy and Horticulture Faculty of Agriculture Udayana University. Analysis of chemical content of fruits carried out in Food Analysis Laboratory Faculty of Agricultural Technology Udayana University. This experiment was a one-factor experiment with GA3 concentration of six levels i.e. G0 = 0 ppm, G1 = 50 ppm, G2 = 100 ppm, G3 = 150 ppm, G4 = 200 ppm and G5 = 250 ppm. Each level of treatments was repeated 5 times. The results showed that there was a decrease of seed content in fruit of 9.24% (GA3 of 50 ppm), 13.99% (GA3 of 100 ppm), 46.33% (GA3 of 150 ppm), 48.92% (GA3 of 200 ppm), and 65.01% (GA3 of 250 ppm) when compared to controls. In this study the treatment of several levels of concentration can reduce the number of seeds, but can not make fruit without seeds.

RESPON PERTUMBUHAN TANAMAN PAKCOY (Brassica rapa L.) PADA BERBAGAI JENIS MEDIA TUMBUH DALAM SISTEM BUDIDAYA VERTIMINAPONIK I Nyoman Wahyu Ardianta; I Nyoman Rai; Ni Nyoman Ari Mayadewi
Plumula : Berkala Ilmiah Agroteknologi Vol 9 No 2 (2021): Plumula : Berkala Ilmiah Agroteknologi
Publisher : UPN VETERAN JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/plumula.v9i2.68

Vertiminaponics is a combination of plant cultivation (hydroponics) and fish cultivation (aquaculture) in one place/land arranged vertically. In the vertiminaponic system, the planting medium plays an important role as one of the determinants of plant and fish growth. The purpose of this study was to find the best growing media for pakcoy growth and yield and catfish growth and yield in the vertiminaponic system. This study used a randomized block design (RBD) with one factor, namely the planting medium consisting of four levels, i.e. broken bricks, malang sand, gravel and zeolite. The results showed that the planting medium of malang sand produced the highest total dry weight (12.42 g) and total fresh weight of pakcoy (240.72 g). The zeolite growing media gave the highest weight of catfish in the vertiminaponic system (11.75 kg), but it was not significantly different from malang sand (11.03 kg).

Pengaruh Lama Pemeraman Buah terhadap Perkembangan Mutu Benih Tomat (Solanum lycopersicum L.) Adevia Triyani Br Munthe; Anak Agung Made Astiningsih; Ni Nyoman Ari Mayadewi
Nandur Vol 2 No 1 (2022)
Publisher : Fakultas Pertanian, Universitas Udayana

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This study aims to determine the effect of ripening time on the development of tomato seed quality. The experiment used was a Completely Randomized Design (CRD) one, namely the ripening time. Design with 5 treatment factors: ripening stage tomatoes (redness less than 10%) without ripening (Control), 2 days ripening (P1), 4 days ripening (P2), 6 days ripening (P3), 8 days ripening (P4). Observations were made on the variables of moisture content, weight of 1000 grains, germination and seed germination spirit simultaneously. The results showed that the time of fruit ripening had a significant effect on the development of tomato quality (physical and physiological quality of seeds). The highest seed moisture content was obtained from the control treatment, which was 49,50% then along with the ripening time of the fruit and the weight of 1000 seeds was constant. The ripening stage of broken tomatoes for 6 days resulted in the highest vigor and viability, respectively 89,66% and 86,26%.

Performance Evaluation of Induced Mutagenesis using Colchicine and EMS Solution on Cowpea M3 Purple and Mung Bean Vima1 to Increase Resistance I Gede Ketut Susrama; Ni Made Trigunasih; I ketut Suada; Ni Nyoman Ari Mayadewi
Caraka Tani: Journal of Sustainable Agriculture Vol 37, No 2 (2022): October
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v37i2.56341

Induced mutagenesis is one way to improve the quality of crops, especially to increase the resistance to pests and diseases. This research aimed to determine colchicine and ethyl methane sulfonate (EMS) mutagenesis on cowpea M3 purple and mung bean Vima1, in concatenation for developing resistant crops. This research consists of four packages: (1) first package (cowpea M3 purple seeds treated with colchicine solution, (2) second package (cowpea M3 purple seeds treated with EMS solution), (3) third package (mung bean Vima1 seeds treated with colchicine solution) and (4) fourth package (mung bean Vima1 seeds treated with EMS solution). The results of this research revealed that induced mutagenesis by colchicine solution treatment reduced the incidence of bean leaf beetles up to 19% on cowpea M3 purple, as well leaf miners by 5% to 9% and bean leaf beetles up to 5% on mung bean Vima1. Treatment of EMS solution decreased the incidence of bean leaf beetles by 17% on cowpea M3 purple and pink mealybug by 5% to 15% on mung bean Vima1. Induced mutagenesis using EMS solution significantly decreased vegetable leaf miner incidence by 33% to 93% or 71% on average. Colchicine and EMS solution treatment caused aphid attacks in cowpea M3 purple, particularly in pods. The attacks did not happen on leaves and aphid incidence in pods was slower than in control. Some promising mutant candidates were found from this research that will be used in further crop development studies. It is expected that the method and results of this research could inspire faster development of resistant crops.

Pengaruh Aplikasi Dolomit terhadap Mutu Benih Jagung (Zea mays L.) pada Tanah Masam di Kebun Percobaan Fakultas Pertanian Universitas Udayana ALPREDO CHRISTIAN STOMPUL; NI LUH MADE PRADNYAWATHI; NI NYOMAN ARI MAYADEWI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.11, No.3, Juli 2022
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Effect of Dolomite Application on the Quality of Corn Seeds (Zea mays L.) on Acid Soil in Experimental Gardens, Faculty of Agriculture, Udayana University The decline in maize production in Bali is caused by various factors such as poor cultivation techniques, lack of agricultural land due to land conversion, limited fertile land due to acidic soil conditions and the availability of quality seeds that are still lacking. The application of dolomite on acid soil is expected to improve the quality of corn seeds. This study aims to determine the difference in the effect of dolomite application and without dolomite application on acid soil on corn seed quality (physical and physiological quality). This study used a paired experiment to compare the quality of corn seeds produced with dolomite application and without dolomite application. The results showed that the application of dolomite was able to significantly increase the average weight of 1000 seeds, germination, shelf life vigor, growth speed vigor of 2.55%, 1.23%, 6.27%, 3.43 % when compared with no dolomite application, while the simultaneous growth of vigor showed no significant difference between dolomite application and without dolomite application.

Co-Authors Adevia Triyani Br Munthe Alfin Christian Massie Ali Djamhuri ALPREDO CHRISTIAN STOMPUL Anak Agung Gede Dalem Sudarsana Anak Agung Keswari Krisnandika ANAK AGUNG MADE ASTININGSIH Anak Agung Made Astiningsih ANGGAR RETNO ULUPI BARAELA EZRA WIJAYA Cokorda Gede Alit Semarajaya DEWA NYOMAN PREMA ANANDA FIRMAN PERMANA GEDE MENAKA ADNYANA Gede Wijana HESTIN YUSWANTI I G. R. M. TEMAJA I Gede Ketut Susrama I Gusti Agung Ayu Rai Asmiwyati I GUSTI AYU ARINI LAKSEMI I GUSTI NGURAH RAKA I Ketut Suada I Made Oddie Gupta Wardana I Made Sukewijaya I NENGAH ARTHA I Nyoman Darma Pranata I NYOMAN GEDE ASTAWA I Nyoman Gede Astawa I NYOMAN RAI I Nyoman Wahyu Ardianta I Nyoman Wahyu Ardianta I PUTU DHARMA I PUTU RINATA ASTAWA I Putu Sadewa Adi Saputra I WAYAN WIRAATMAJA I.A. MAYUN IDA AYU ASTARINI Ida Ayu Patni Dewi Ida Ayu Putri Darmawati IN RAI ING ASTAWA ISNAINI ISNAINI KETUT SUADA Ketut Suada Lury Sevita Yusiana NI KADEK ARYANI NI LUH MADE PRADNYAWATHI Ni Made Classia Sukendar Ni Made Puspawati NI MADE TRIGUNASIH NI NYOMAN ARYANINGSIH NYOMAN WISNU RAHADI Prila Kartika Manulang Rindang Dwiyani Rindang Dwiyani SANG MADE SARWADANA SITI SHOFIAH Stephany Sinaga Titan Octalia Barnad Ulfa Khairani Yuyun Fitriani

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