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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 400 Documents
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Efektifitas Atraktan terhadap Lalat Buah Belimbing di Jawa Timur MOCH SODIQ; SUDARMADJI SUDARMADJI; SUTOYO SUTOYO
Agrotrop : Journal on Agriculture Science Vol 5 No 1 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Effectiveness of Attractants to Star Fruit Flies in East Java. Fruit flies have become one of the important pests in plants carambola (Averrhoa carambola L.). In order to overcome the attack of fruit flies, always wrap the fruit growers and install attractant methyl eugenol atcarambola crop during the flowering plants to the star fruit is harvested, but the results are not optimal in controlling fruit flies, making it necessary to find other ways to control the star fruit flies were more effective. The research objective was to test the effectiveness of a combination of substances towing / attractants, feeding stimulants odor, color and volume to a fly attractant a star fruit. Research was conducted on land farmers in Blitar and Tuban. As for knowing the type of fruit flies that attack the star fruit, be identified in laboratory Plant Pests. Research using completely randomized design and each treatment was repeated 4 times. Parameters measured were the type, number, and trapped fruit fly sex attractant. Results of the study is a combination of the type of attractant M. bracteata, stimulating smell of guavajuice feed, as well as yellow and a volume of 1.5 ? most effective attractant to lure star fruit fly males and females. The fruit flies were trapped only one type that is Bactrocera carambolae.
Potensi Rumput Laut Dalam Menghambat Pertumbuhan Jamur Aspergillus flavus KETUT SRIE MARHAENI JULYASIH; ARIKA PURNAWATI
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.783 KB) | DOI: 10.24843/AJoAS.2019.v09.i01.p08

Abstract

Potential of Seaweed in the Inhibition of Fungi Growth Aspergillus flavus. This use of synthetic chemicals as a controller of fungal growth in foodstuffs can have adverse effects on health, so it needs natural control ingredients that do not have an impact on human health. Various types of fungi such as Aspergillus flavus attack a lot of food items after harvest, these fungi can produce aflatoxin which is very toxic to consumers. Aflatoxin cannot be neutralized through cooking so efforts to avoid fungal contamination need to be done. One of the natural fungi controllers is by utilizing natural resources, including seaweed. Development of seaweed as an antifungal is an alternative that needs to be realized. For this reason, it is necessary to examine the potential inhibitory of seaweed A. flavus development. This study examined six types of seaweed like Gracilaria verrucosa, Euchema spinosum, Ulva lactuca, Ulva reticulata, Euchema edule, and Padina sp. The results showed that Padina sp. seaweed has a very strong potential inhibitory compared to other types of seaweed.
Pertumbuhan Plantlet Anggrek Vanda tricolor Lindl. secara In Vitro dengan Penambahan Bubur Ubi Kayu pada Media MS IDA AYU PUTRI DARMAWATI; HESTIN YUSWANTI
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Growth of Plantlets of Vanda tricolor Orchid In-Vitro on the Cassava Pulp-Enriched MS Medium.Addition of organic matter into the culture medium is commonly used for increasing the source of sugar, vitamins and amino acids. The aim of this study was to determine the effect of the cassava pulp on the growth of Vanda tricolor plantlet, and to investigate appropriate dose for the optimal growth of plantlets. The experiment utilised a Randomized Completely Design with six treatments i.e. UO (MS medium without any organic matter), U1 (MS medium + 35 g/L cassava pulp), U2 (MS medium + 40 g/L cassava pulp), U3 (MS medium + 45 g/L cassava pulp), U4 (MS medium + 50 g/L cassava pulp), and U5 (MS medium + 45 g/L cassava pulp) with five replicates. The result showed that addition of cassava pulp significantly increased number of leaf, number of root and dry weight of plantlets. The highest number of root (i.e. 5.8) was obtained with addition of 50 g/L cassava pulp, while the highest dry weight of plantlet (i.e. 0.28 g) was on addition of 55 g/L cassava pulp.
Studi Keharaan Tanaman dan Evaluasi Kesuburan Tanah di Lahan Pertanaman Jeruk Desa Cenggiling, Kecamatan Kuta Selatan KETUT DHARMA SUSILA
Agrotrop : Journal on Agriculture Science Vol 3 No 2 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Study on Plant Nutrient and Soil Fertility Evaluation in Citrus Plantation Land at CenggilingVillage, South Kuta District. The objective of the research to elaborate some soil chemical propertiesand classify soil fertility status of citrus plantation lands at Cenggiling Village, South Kuta District. Soilsurvey method and quantitative measurement of some soil fertility elements in laboratory based onBogor Soil Research Center procedure (1995) was done to determined criteria and soil fertility status.The result of study showed that C1 location at “subak abian” Tanijaya have chemical properties namely:CEC; base saturation; P205; K20 and C-organic are 26.13 me/100g (high criteria); 89.18% (highcriteria); 44.20 mg/100g (high criteria); 57.80 mg/100g (high criteria) and 2.51% (medium criteria)respectively with high soil fertility status. On the other hand, C2 location at “subak abian” Selondinghave chemical properties namely: CEC; base saturation; P205; K20 and C-organic are 23.40 me/100g(medium criteria); 79.36% (high criteria); 35.28 mg/100g (medium criteria); 56.35 mg/100g (highcriteria) and 1.66% (low criteria) respectively with low soil fertility status. The last, C3 location at“subak abian” Puluk-puluk have chemical properties namely: CEC; base saturation; P205; K20 and Corganicare 17.80 me/100g (medium criteria); 87.05% (high criteria); 29.37mg/100g (medium criteria);57.91 mg/100g (high criteria) and 1.54% (low criteria) respectively with low soil fertility status.
Pengaruh Biofer 2000-N dan Pupuk Kascing terhadap Pertumbuhan Bibit Kakao (Theobroma cacao L.) I K. NARTA; D. K. SUANDA; N. L. KARTINI
Agrotrop : Journal on Agriculture Science Vol 2 No 1 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Effects of Biofer 2000-N and Casting on Growth of Cacao (Theobroma cacao L.) Seedling. The aims of the research were to obtain Biofer 2000-N and Casting effects on growth of cacao (Theobroma cacao L.) seedling. The design used was Randomized Block Design with three replications. Treatments were allocated in factorial. First factors were four rates of Biofer: 0 g; 10 g, 20 g and 30 g/plastic bag. The second factors were four rates of Casting: 0 g, 15 g, 30 g and 45 g/plastic bag. The results showed that Biofer rate at 30 g/plastic bag, produced the highest total dry weight of seedling (21.03 mg), significantly (20.24%) higher than control (17,49 mg). Biofer at 30 g/plastic bag, increased plant height, stem diameter, stem fresh weight, leaf number, leaf area, leaf fresh weight, fresh weight of plant top, root length, fresh roots weight and total plant fresh weight respectively by 9.02%, 3.58%, 36.02%, 6.00%, 20.50%, 34.45%, 34.94%, 33.31%, 44.44%, and 34.31% than control. Casting rete at 45 g/plastic bag produced the highest dry weight of seedling (20.11 mg), significantly higher (9.89%) than control (18.30 mg).. Casting at 45 g/plastic bag, increased plant height, stem diameter, stem fresh weight, lef number, leaf area, fresh leaf weight, fresh plant top weight, root length, fresh roots weight, total plant fresh weight, respectively by 9.70%, 4.31%, 18.32%, 8.03%, 20.54%, 34.53%, 28.26%, 33.15%, 47.65% and 26.00% than control. Biofer 2000-N, Casting or both could increase cacao seedling growth, so, the seedling to be better and could be planted in the field earlier.
Daftar Isi Agrotrop Vol. 6, No. 2, Nopember 2016 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 6 No 2 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Daftar Isi Agrotrop Vol. 6, No. 2, Nopember 2016
Pengaruh Pemberian Dosis KNO3 terhadap Pertumbuhan, Produksi, dan Serapan Kalium Tanaman Jagung Manis (Zea Mays Saccharata Sturt) DARWIN H. PANGARIBUAN; SARNO SARNO; RISQI KURNIA SUCI
Agrotrop : Journal on Agriculture Science Vol 7 No 1 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.082 KB) | DOI: 10.24843/AJoAS.2017.v07.i01.p01

Abstract

Effect of KNO3 on the Growth, Production, and Potassium Uptake on Sweet Corn (Zea Mays Saccharata Sturt). This study aimed to determine the effect of KNO3 dosage fertilizer on the growth, production and potassium uptake of sweet corn varieties Talenta. This research was conducted in December 2015 to February 2016. This study used a randomized block design with 6 treatments and 3 replications. The treatments were control, KNO3 fertilizer with a dose of 50 kg ha-1, KNO3 fertilizer with a dose of 100 kg ha-1, KNO3 fertilizer with a dose of 150 kg ha-1, KNO3 fertilizer with a dose of 200 kg ha-1 and KNO3 fertilizer with a dose of kg ha-1, The results showed that KNO3 fertilizer impacted on plant height, leaf number, leaf area index, dry weight, number of rows per ear, seed number per row, total production, and uptake of pottasium. KNO3 fertilizer treatment at a dose of 132 kg ha-1 gave the best result of growth, production and best potassium uptake. The use of KNO3 could be an alternative fertilizer for Potassium fertilization of sweet corn.
Tim Editorial Agrotrop Vol. 6, No. 1, Mei 2016 Jurnal Agrotrop
Agrotrop : Journal on Agriculture Science Vol 6 No 1 (2016)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Pertumbuhan, Hasil dan Analisis Produksi Tanaman Jagung (Zea mays L.) yang Diperlakukan dengan Pupuk Organik dan Biourin di Lahan Kering I MADE SUKADANA; NI LUH KARTINI; I.G.A.A. AMBARAWATI
Agrotrop : Journal on Agriculture Science Vol 3 No 1 (2013)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Growth, Yield, and Production Analysis of Maize (Zea mays L.) Treated by Organic Fertilizer and Cow Biourine in Dry Land Maize productivity in Bali is still low at around 3.4 ton/ha. Low soil fertility is one of the factors contributable to the low productivity of maize. Soil condition at the research field has low level of fertility with low levels of nitrogen and C-organic. This research aims at finding out the impact of organic fertilizers and cow biourine to the growth and yield of maize in dry land and to analyze it gross margin. Experiment was designed with randomized block design (RBD) with two factors and four replications. The dosage of the first factor namely without organic fertilizer, cow organic fertilizer 15 tonnes/ha and worm casting fertilizer 15 tonnes/ha, whereas dosage of cow biourine namely 0 liter, 1.000 liters, 2.000 liters and 3.000 liters/ha respectively for the second factor. The research results show that there is highly significant interaction (p<0.01) between organic fertilizers and cow biourine to the number of leaves aged at 21, 35, 49 and 63 dap, trunk diameter, dry matter weight/plant, number of cobs/plant, and harvest index, however it shows significant interaction (p<0.05) to leave area index (LAI) at age 35 dap and soil pH at harvest. The combination of worm casting fertilizer of 15 tonnes/ha with cow biourine 2.000 liters/ha resulted in the highest dry weight of seed/ha to 4,09 tonnes/ha, an increase of 69,71% compared to no fertilizer. The relationship between organic fertilizer and cow biourine to the dry matter yield follows a quadratic pattern, hence 15 tonnes/ ha worm casting fertilizer and 2000 liters/ha of cow biourine resulted in optimum yield from this research. Result from the gross margin analysis shows that revenue received at Rp 8.7935 million based on the price of dry shelled corn at Rp 2.150/kg does not cover the high variable cost at Rp 26.664,500.
Reviewer Agrotrop Vol. 9, No. 2, November 2019 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Reviewer Agrotrop Vol. 9, No. 2, November 2019

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