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Agrotrop : Journal on Agriculture Science

agrotrop
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Published by Universitas Udayana

ISSN : 2088155X EISSN : 26544008 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Journal AGROTROP

Arjuna Subject : -

Articles 400 Documents

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Komparasi Laju Pertumbuhan Miselium Jamur Tiram Putih (Pleurotus ostreatus (Jacq. ex Fr) Kummer) pada Komposisi Media Bibit (F3) dan Baglog yang Berbeda I MADE SUDARMA; GEDE WIJANA; NI MADE PUSPAWATI; NI WAYAN SUNITI; I GUSTI NGURAH BAGUS
Agrotrop : Journal on Agriculture Science Vol 3 No 2 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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The growth rate comparison of white oyster mushroom (Pleurotus ostreatus (Jacq. ex Fr)Kummer) mycelium in the composition of different seed (F3) and baglog media . Cultivation ofoyster mushroom (Pleurotus ostreatus (Jacq. ex Fr) Kummer) has grown rapidly along with the increasein income and health awareness. Oyster mushrooms growing need for media with a particular compositionin order to grow optimally. Oyster mushroom production is determined by the quality of the seeds (F3)is used, which is sourced from the media with good quality and composition. The research aimed todetermine the rate of growth of white oyster mushroom mycelium in the different composition of seedmedium (F3) (sawdust: fine bran: corn flour: CaCO3 ). The experiments was conducted at nurseriesand oyster mushroom development, Jl. Siulan Gang Zella No. 7 Denpasar, from June to August 2013.Each treatment contained 50 bottles, and 10 bottles only used as a sample, in environmental conditionswith temperature and humidity ranges, 20-29oC and 59-86% respectively . T-test was used todifferentiate the growth rate of white oyster mushroom mycelium with different compositions. Theresults showed that seeds (F3) derived from the growing media composition, sawdust (1 week old):fine bran: corn flour: CaCO3 (10:4:2:0,5) significantly different and better than the composition sawdust(age 1 month ): fine bran: corn flour (20:2:1:0.5), with a growth rate of mycelium in a mean 6.14±0.56cm/week and 1,81±0,82 cm/week, respectively. Spawn running in baglog with media composition10:4:2:0.5 was 2.77±1.22cm/week, but with composition media 20:2:1:0.5 mycelium could not grow.Effect of temperature and humidity on the growth rate of white oyster mushroom mycelium in seedmedia (F3) is not significantly.

Isolasi dan Identifikasi Endomikoriza pada Perakaran Tanaman Jagung (Zea mays L.) Dataran Sedang serta Perbanyakannya pada Tingkat Kadar Air Tanah Berbeda NGAKAN MADE ADI WEDAGAMA; I MADE SUKEWIJAYA; NI LUH KARTINI; I NYOMAN RAI
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Isolation and Identification of Endomycorrhizal on Corn Root (Zea mays L.) at Medium Plain and its Propagation at Different Soil Water Level. Endomycorrhizal has several benefits that can increase the absorption of water and nutrients, protect plants from root pathogens and toxic elements, play a role in the improvement of soil structure, and increase the solubility of nutrients. The purpose of this research is to find out the types endomycorrhizal contained in the corn roots at medium plains in Gianyar Regency, and the influence of different soil water level to endomycorrhizal ability to reproduce spores. This research was conducted from September 2017 to February 2018. The method of the research includes exploration, isolation, identification, propagation of spores endomycorrhizal, and soil samples analysis. Isolation and identification result found 2 genus of spores endomycorrhizal that was Glomus and Acaulospora, with various spore amount and the level of infection endomycorrhizal was very high with percentage of 83.33-86.67%. Spores propagation test results showed that the highest percentage enhacement of spores endomycorrhizal amount was found in the third soil sampling location in soil water level of 40% field capacity treatment with percentage of 551.85%. The level of endomycorrhizal infections at the roots of all treatment of soil sampling location and soil water level were very high with percentage of 100%.

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.

Pengaruh 2-iP dan NAA terhadap Pertumbuhan Plantlet Anggrek Dendrobium Hibrida pada Tahap Subkultur ADINDA RIZKI NURANA; GEDE WIJANA; RINDANG DWIYANI
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

The Effects of 2-iP and NAA on The Growth of Dendrobium Hybrid Plantlets of in Subculture. The research was conducted during period of May to October 2016 at The Laboratory of Plant Tissue Culture, Faculty of Agriculture, Udayana University. The research employed a completely randomized design with 9 treatments and 3 replicates. The treatment were ZA = MS + 1 ppm 2-iP + 0,00 ppm NAA; ZB = MS + 1 ppm 2-iP + 0,25 ppm NAA; ZC = MS + 1 ppm 2-iP + 0,50 ppm NAA; ZD = MS + 2 ppm 2-iP + 0,00 ppm NAA; ZE = MS + 2 ppm 2-iP + 0,25 ppm NAA; ZF = MS + 2 ppm 2-iP + 0,50 ppm NAA; ZG = MS + 3 ppm 2-iP + 0,00 ppm NAA; ZH = MS + 3 ppm 2-iP + 0,25 ppm NAA; ZI = MS + 3 ppm 2-iP + 0,50 ppm NAA. The result showed that treatment of 2-iP and NAA significantly affected number of leaves, length of leaves, total of fresh weight and oven dry weight of plantlet. The concentration of 2 ppm 2-iP and 0,00 ppm NAA was the best treatment for optimal growth for Dendrobium plantlet during subculture.

Potensi Bakteri Endofit dari Batang Panili Sehat sebagai Agen Pengendali Hayati Fusarium oxusporum f. sp. vanillae Penyebab Busuk Batang Panili NI WAYAN SUNITI
Agrotrop : Journal on Agriculture Science Vol 5 No 1 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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The potential of Endophytic Bacteria from Shoot of healthy Vanilla for Biological Control Agenst of Fuxarium oxusporum f. sp. vanilla. The aim of the research was to determine in-vitro inhibitory of endophytic bacteria from healthy stem of vanilla against stem rot dideases caused by Fusarium oxysporum f.sp. vanillae The research was conducted in Phythopatology Laboratory and green house Fakulty of Agiculure from January to August 2014. The results showed that 50 isolates of endophytic bacteria can be isolated from Tabanan and Badung regency. Antagonistic test results from 50 isolate of endophytic bacteria found the six isolates of endophytic bacteria has potential as antagonists against Fusarium oxysporum f.sp. vanillae namely Endophytic Tabanan 1 (T1), T7, T13, Endophytic Badung 28(B28), B30 and B41. In-vitro test showed endophytic bacteria isolate T1 has the highestinhibition to the F. oxysporum f.sp. vanillae growth by 87%. Results of the research in Greenhouse, endophytic bacteria isolate T1 can stimulate the growth of shoots and capable of protecting plants from vanilla stem rot diseases with the lowest attack percentage of 32%.

Pertumbuhan Bibit Anggur Prabu Bestari Asal Okulasi pada Berbagai Campuran dan Kandungan Air Media Tanam I GUSTI ALIT GUNADI; I KETUT SUMIARTHA
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

The Growth and Development of the Prabu Bestari Grape Seedling on Various Compositions and Water Content of Growing Media. The growth and development of the grape seedling influenced by the presence of solar and ground water energy. Prabu Bestari is a originally variety introduced by Balitjestro from Australia after being assembled with the selection process. The need for this variety of agroclimates is in accordance with the North Bali region as a production center. The bud break in grape plant can be affected by condition of plant media during the seedling procession. Shoot failure in grapes can be caused by the condition of the planting medium in the nursery process. This study aims to determine the growth of grape seedlings that are treated with the use of planting media (soil, soil, chaff, soil + cocopeat, and soil compost) 1: 1 (v / v) mixture ratio. The planting media treatment will be combined with different water content (100%, 75%, and 50% of the field capacity conditions). The study was conducted in a green house at the Experimental Station of Faculty of Agriculture Udayana University from May to August 2018. The research used factorial method (4 x 3) which was designed randomly in groups with three replications. The results showed no interaction on all parameters observed. Increasing length of tendrils (148.16 cm) and number of leaves (26.58 strands) looks better with increasing groundwater content up to 100% of field capacity, whereas the resistant mixture + compost gave the highest increase in tendril length (131.91 cm) and the number of leaves (26.56 pieces). The highest chlorophyll content of the leaves reached 28.68 SPAD unit in a mixture of soil + compost treatment and the lowest was in land use + cocopeat with 18.99 SPAD unit. While the highest leaf chlorophyll content due to water content treatment was shown in 100% of field capacity treatment of 27.84 SPAD unit.

Pengaruh Dosis Pupuk Kotoran Ayam dan Nitrogen terhadapPertumbuhan dan Hasil Sayur Sawi Daging (Brassica rapa L.) Varietas Gardena DAVID HARYSUSANTO; GEDE WIJANA; NI LUH KARTINI
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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The Effects of Various Dose of Chicken Manure and Nitrogen Fertilizer on The Growth and Yield of Mustard (Brassica rapa L.) Var. Gardena. The Aim of the research was to find out optimal dose of chicken manure and nitrogen fertilizer and to find out those effects of both fertilizers and their interaction on the growth and yield of mustard. The research was carried out at Candikuning, Baturiti, Tabanan Regency, from April to June 2013. The experiment was factorial (two factors), with randomized block design (RBD). First factor was. chicken manure fertilizer dose, i.e. 0 ton ha-1, 15 ton ha-1 and 30 ton ha-1, while the second factor was nitrogen fertilizer with three levels of dose, i.e. 0 kg ha-1, 92 kg ha-1 and 184 kg ha-1. The result showed that there was no interaction effects of those two factors on all variables observed.. Dose of 15 ton ha-1 chicken manure and 92 kg/ha-1 nitrogen fertilizer resulted in highest yield and highest dry weight of shoots. However, the optimum dose (estimated with regression line) was150 kg ha-1 for nitrogen fertilizer and was 25,50 ton ha-1 for chicken manure.

Etno-agronomi Pengelolaan Perkebunan Kopi di Sumberjaya Kabupaten Lampung Barat (Review) RUSDI EVIZAL
Agrotrop : Journal on Agriculture Science Vol 3 No 2 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Ethno-agronomy of Coffee Plantation Management in Sumberjaya West LampungDistrict.Study of ethno-agronomy is important for policy making to support sustainable coffee plantationand ecological services in cathment area. This paper reviewed tradition across ethnic in Sumberjaya,West Lampung on coffee plantation management. It showed that the ethno-agronomy of coffee plantationsin Sumberjaya was a unique local wishdom. Coffee agronomic practices in Sumberjaya were evolutingand integrating with shifting cultivation system. Coffee treeswere rotated with vegetables crop or shrub.In Sumberjaya, land uses were dynamic between forests, coffee field, crop field, and shrubs. Pre-cropping and inter-cropping ofvegetables in coffee fieldwas source of income for farmers before coffeehad attainedphase of yielding. So far coffee plantations in Sumberjaya were managed by traditional andless intensive practices including by planting shade trees, timber and multi-purposes treespecies. Coffeeagroforestry was alocal wishdom that impotant for land conservation of the catchment area.

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.

Tim Editorial Agrotrop Vol. 10, No. 1, Mei 2020 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 10 No 1 (2020)
Publisher : Fakultas Pertanian Universitas Udayana

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Tim Editorial Agrotrop Vol. 10, No. 1, Mei 2020

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