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Agrotrop : Journal on Agriculture Science
Published by Universitas Udayana
ISSN : 2088155X     EISSN : 26544008     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal AGROTROP
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol 5 No 2 (2015)" : 12 Documents clear
Identifikasi dan Karakterisasi Sumber Daya Genetik Buah-buahan Lokal di Kabupaten Bangli NI LUH MARTINI; RINDANG DWIYANI; NI LUH MADE PRADNYAWATHI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Identification And Characterization Of Local Fruits Genetic Resources In BangliRegency. Local fruit is all kinds of fruits that are cultivated in Bali. This study aims toidentify the types of local fruits grown in Bangli Regency; to create profile about those localfruits based on morphological and agronomic character, usability, production, andphotographs of genetic resources; to create a map regarding geographical destination of thefruit. This study was conducted in Bangli Regency consisting four districts i.e District ofBangli, Susut, Kintamani, and Tembuku. The experiment was conducted for six months, fromJanuary to June 2015. The research consisted of three stages of activities: (1) collection ofsecondary data, (2) surveys the types of genetic resources and distribution, (3) identificationof morphological and agronomic characters of genetic resources, growing environment andbenefit of local fruits. The results showed that the observations in the field found 36 speciesand 68 sub-species of local fruits spread over four districts. Based on the value of LocationQuotient (LQ) Bangli District has two main commodities including citrus, in which Awanvillage is the central production region, and banana, in which Subaya village in the centralproduction region.
Analisis Kualitas Larutan Mikroorganisme Lokal Daun Gamal (Gliricidia sepium) pada Beberapa Waktu Inkubasi ANAK AGUNG NGURAH GEDE SUWASTIKA; NI WAYAN SRI SUTARI; NI WAYAN MURIANI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Analysis of Local Microorganism Leaf Gamal (Gliricidia Sepium) Solution Quality onthe Fermentation Period. The study aims to determine the quality of local microorganismsolution under the influence of concentration leaves of Gliricidia (Gliricidia sepium) andfermentation period. This research was conducted at the Soil Laboratory, Faculty ofAgriculture, UdayanaUniversity. The design of this research used a randomized block designfactorial pattern of two factors. The first factor was the concentration of Gliricidia leavesconsisted of 0, 100, 300 g, and the second factor was the fermentation period, consists of 1,2,and 3 weeks. Results of statistical analysis showed a highly significant interaction betweenthe concentration factor and fermentation period of Gliricidia leaves the parameters observed.Concentration of 30% (300 g) Gliricidia leaves with a two-week fermentation period has thebest effect on the quality of the biological properties of microorganisms local solution with atotal population of bacteria (9.5 x 107 SPK mL-1) and total fungus (1.9 x 106 SPK mL-1),while the best quality chemical properties of the solution of local microorganisms present in aconcentration of 30% (300 g) gliricidia leaves with a three-week fermentation period with thecontent of total-N (1.59%), pH (6.03), and organic-C (3.35%). Concentration of 30% (300 g)Gliricidia leaves with fermentation period of two weeks, it can be used as a biologicalfertilizer and a concentration of 30% (300 g) Gliricidia leaves with a three-week fermentationperiod, could be used as organic manure.
Laju Parasitasi Parasitoid Anagrus sp. dan Oligosita sp. terhadap Telur Wereng Coklat setelah Aplikasi Insektisida di Pertanaman Padi DEDE MUNAWAR; EKO HARI ISWANTO; NONO SUMARYONO; BAEHAKI SUHERLAN EFFENDI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Parasitism rate of Anagrus sp. and Oligosita sp. parasitoids to brown planthopper eggs after insecticides application in the rice field. The research wascarried out in Subang District, West Java in the wet season of 2013. The experiment used arandomized block design with 7 insecticide treatments and four replications. The treatmentswere rynaxypyr, fipronil, imidakhloprid, dinotifuran, pimetrozin, and BPMC compared withcontrol. The objective of the research was measuring parasitism rate of parasitoids to brownplant hopper (BPH) eggs after insecticides application. The results showed that rynaxypyr,dinotefuran, and imidacloprid quickly reduced the BPH population only in one day afterapplication (DAA), while fipronil, pimetrozin, and BPMC were rather slow because the BPHdeclined in 10 DAA. All insecticides were give a negative effect to Anagrus sp. and Oligositasp parasitoids, but the performance of those parasitoids back to normal in 10 DAA forAnagrus sp. and in 21 DAA for Oligosita sp. The parasitism rate of all parasitoids were give anegative value in 1-10 DAA. In 21 DAA the parasitism rate of Anagrus sp. increased infipronil, BPMC and dinotefuran treatment, but the parasitism rate of Oligosita sp. were still innegative value under the control treatment.
Peningkatan Produksi Pangan pada Lahan Sawah dengan Penerapan Pemupukan Hara Spesifik Lokasi (PHSL) Melalui Evaluasi Status Unsur Hara Tanah I NYOMAN SUNARTA; I NYOMAN MERIT; NI MADE TRIGUNASIH; TATIEK KUSMAWATI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

An Increase of The Yield of Paddy Rice with Application of The Site-Specific NutrientFertilization (SSNF) through Evaluation of The Nutrient Soil Status. Agricultural landincluding paddy fields decreases every year due to land conversion and decreasing of waterresources for irrigation. However, the need for food (rice) increases simultaneously with theincreasing of population growth. Although inorganic fertilizer and improved varieties of ricehave been intensively used, however, expected rice production has not been achieved.Fertilization based on site-specific nutrient might require for solving the problems. Researchconcerning of the site-specific nutrient fertilization (SSNF) have been carried out at Megati,District of Selemadeg Timur Tabanan Regency from April to October 2015. The objective ofthe research was to find out the effects of several types of fertilization with differentcomposition on the growth and yield of rice. The treatments were Kd0P0 (without fertilizer),Kd0P1 ( without organic fertilizer ; 100 kg urea, 25 kg SP36,and 25 kg KCl ha-1), Kd0P2(without organic fertilizer ; 150 kg urea, 50 kg SP36 and 50 kg KCl ha-1), Kd0P3 (withoutorganic fertilizer; 200 kg urea, 75 kg SP36 dan 75 kg KCl ha-1), Kd1P1 ( 5 tons of organicfertilizer ha-1; 100 kg urea, 25 kg SP36,and 25 kg KCl ha-1 ), Kd1P2 ( 5 tons of organicfertilizer ha-1; 150 kg urea, 50 kg SP36 and 50 kg KCl ha-1 ), Kd1P3 (5 tons of organicfertilizer ha-1; 200 kg urea, 75 kg SP36 and 75 kg KCl ha-1 ), and SSNF (5 tons of organicfertilizer ha-1; Rainbow NPK 200 kg ha-1 and 75 kg urea ha-1). The results showed that theplant height and the highest number of productive tillers was obtained from Kd1P3 treatment.The highest yield was obtained from the SSNF treatment. The SSNF treatment produced 9.12ton dried grain ha-1.
Keragaman dan Daya Hambat Spora Tular Udara yang Mengkontaminasi Media Baglog Jamur Tiram (Pleurotus ostreatus (Jacq. ex Rr) Kummer) I MADE SUDARMA; NI MADE PUSPAWATI; NI NENGAH DARMIATI; KETUT AYU YULIADHI; NI WAYAN SUNITI; I GUSTI NGURAH BAGUS; I NYOMAN WIJAYA; DWI WIDANINGSIH
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Diveristy and Inhibition of Air-Borne Spores That Contaminate Substrat of OysterMushroom (Pleurotus ostreatus (Jacq. Ex Fr) Kummer). The aim of research to know thediversity, prevalence and inhibition of air-borne spores that could potentially contaminatesubtsrat baglog of oyster mushrooms. In this study using the method: (1) the arrest of sporescarried out during the hours of 7 am to 13 pm by placing three petri dish that already containsmedia PDA 3 pieces, and repeated 3 times, (2) inhibition ability of air-borne spores againstoyster mushroom. The place and time of the study conducted at Jl. Siulan Gang Zella No. 7Denpasar, and implemented in October 2014 to February 2015. The results showed that 13genera, including Aspergillus spp, as many as 10 with a prevalence of 13.51%, Aspergillusniger 7 (9.45%), Brachysporium sp., 1 (1.35%) , Cunninghamella sp. 1 (1.35 %), Fusariumspp. as many as 19 (25.6 %), Giotrichum sp. 1 (1.35%), Mucor spp. , a total of 18 (24.32%),Neurospora spp., as many as 8 (10.81%), Penicillium spp. 2 (2.70%), Phytophthora spp. 4(5.40%), Stachybotrys sp. 1 (1.35%), Trichoderma sp. 1 (1.35%) and Umbelopsis sp. 1 (1.35%). The highest prevalence achieved by Fusarium spp . amounting to 25.67 %, followed byMucor spp. 24.32%. Diversity index (H') was obtained from each replicate of 0.6438, 0.7048,0.5611 with a 0.6366 average. Dominance index (C) obtained by 0.6331. 0.8646, 0.6146, andaverage 0.7041. Diversity including < 1, marked by low diversity and dominance index closeto 1, meaning there is dominance. The dominance held by Fusarium spp . and Mucor spp.Inhibitory effects of air -borne fungi on the growth Oyster mushroom in vitro; The highestachieved by Fusarium spp, with inhibition of 94.00 ± 1.2%, followed by Aspergillus spp.amounting to 92.15 ± 1.5%, and the lowest was achieved by Penicillium spp . amounting to70.37 ± 2.5%.
Evaluasi Kesesuaian Lahan untuk Pengembangan Tanaman Kayu Putih (Malaleuca leucadendra) pada Kawasan Hutan Produksi Bali Barat (Kecamatan Grokgak) Kabupaten Buleleng Bali I NYOMAN DIBIA
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Evaluation of Land Suitability for Development of Cajuput Tree at Area of ProductionForest in West Bali, District of Grokgak, Buleleng Regency, Bali. The objective of theresearch was to investigate and to map the land suitable level with limiting factor, also to givedirection or recomendation on kajuputi development in research area. The research used landevaluation survey method. Sample taking cunducted by stratified purposive sampling withland unit stratum. Land quality that observed include temprature/average temprature yearly,water availability, rooting media, nutrient retention, nutrien availability, salinity,terrain/mechanitation potential, and erosion danger level. Land suitable classificationconducted by matching between land quality with crop requirement of kajuputi (map inatachment). The result showed that actual as well as potential land suitable and kajuputidevelopment range from moderate suitable (S2), marginal suitable (S3), and not suitable (N)with limiting factor: duration of drymonth, pH, efective soil depth, slope, and erosion dangerlevel, stoniners and rockoutcrop. The effort that could be sugested for land management wereimproving organic matter to decrease high pH and aplication of terasering to spriest erotion.
Mikropropagasi Anggrek Phalaenopsis dengan Menggunakan Eksplan Tangkai Bunga HESTIN YUSWANTI; I PUTU DHARMA; UTAMI UTAMI; I WAYAN WIRAATMAJA
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Micropropagation of Phalaenopsis Orchid Using Explants of Flower Stalk. This studyaimed to obtain optimum media formulations for bud multiplication of micropropagation ofPhalaenopsis orchid using flower stalk. This study employed Completely Randomized Designwith 5 different treatments, i.e. M0 = MS + 150 ml/l coconut water + 2 g activated charcoal,M1 = MS + 1 ppm IBA+ 1 ppm BAP + 150 ml/l coconut water + 2 g/l activated charcoal M2= MS + 1ppm IBA+ 2 ppm BAP+ 150 ml/l coconut water + 2 g/l activated charcoal, M3 =MS + 1 ppm IBA+ 3 ppm BAP + 150 ml/l coconut water + 2 g/l activated charcoal, M4 = MS+ 1 ppm IBA+ 4 ppm BAP + 15 0ml/l coconut water + 2 g/l activated charcoal. Eachtreatment consists of 5 replicates, so there were 25 units experiment, with 3 explants each.Results of this study revealed that M2 media exhibited the best growth, as shown by swellingbuds (23.77 Days After Planting/DAP), earliest buds formation (49.33 DAP) and height ofbuds of 2,12cm.
Daftar Reviewer Vol. 5, No. 2, November 2015 Jurnal Agrotrop
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Pengaruh Ekologi, Komponen Pertumbuhan, dan Komponen Hasil terhadap Produksi Tanaman Anggur: Pendekatan Multivariat Analisis SEM-PLS (Review) I MADE NARKA TENAYA; UTAMI UTAMI
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Effects of Ecology, Growth and Yield Component to The Production of Grape:Multivariate Analysis Approach of SEM-PLS. The effects of the two main componentnamely ecological environment and genetic cannot be avoided during the process of growth ofplant since the early growth until it has produce yield. Ecological environment consist of soil,climate, and treatment mean while genetic mean variety of the plant. This research wasdesigned to study the effects of ecology, vegetative and gerative growth, and yield componento the production of grape. Structural Equation Modeling variance base with PLS Smart 2.0M3 was use to analysed the data. The result show that three of the four component hadsignificant effects on the production of grape, namely ecology, vegetative growth and yieldcomponens (p<0.05) mean while only generative component not has significant effects (tstatistic0.521 < 1.96). The production equation was PRODUCTION = - 0,235 KEKO + 0,243KVEGE + 0,020 KGENE + 0,417 KKHS (R2 = 63,2%).
Pengaruh Kompos Kotoran Sapi dan Mulsa Jerami Padi terhadap Pertumbuhan dan Hasil Polong Muda Kedelai Edamame (Glycine max (L) Merill) di Lahan Kering NI KETUT SUDARMINI; NI LUH KARTINI; I MADE SUDARMA
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Effects of Cow Manure Compost and Paddy Straw Mulch on the Growth and Yield ofYoung Pods of Edamame Soybean ( Glycine Max (L) Merill ) in The Dry Land. The loworganic matter in soil is one of the factors causing low levels of soil fertility. The use ofcomposted cow manure and paddy straw mulch can increase nutrient uptake in soybeanplants. The aim of this study was to determine the effect of cow manure compost and paddystraw mulch on the growth of Edamame soybeans in dry land. This experiment used factorialrandomized block design (RBD). The research was conducted from March to June 2015 inDenpasar. The result of the study showed that the application of cow manure compost andpaddy straw mulch at 5 t.ha-1 each gave a significant interaction on the components of growthand yield, produced 21.67 kg of young pods. plot-1 and 10.83 tons ha-1. In the single factor,compost of 5 t.ha-1 produced 19.63 kg of young pods. plot-1 and 9.82 tons ha-1. Paddy strawmulch of 5 t.ha-1 resulted in 15.87 kg young pods plot-1, and 7.93 tons ha-1. High yieldpotential between the two factors was influenced by an adequate availability of nutrients.

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