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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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Analisis Sidik Lintas Beberapa Karakter Komponen Hasil Terhadap Daya Hasil Padi Sawah Pada Aplikasi Agrisimba WAGE R. ROHAENI; KARSIDI PERMADI
Agrotrop : Journal on Agriculture Science Vol 2 No 2 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Pathway analysis is the further test after correlation test. Correlation between characters of plantwill be change in one field condition to other condition field. Correlation between characters on organicor semi-organic farming system still studied limitedly included in our project about organic/semi-organicfarming. Agrisimba is the probiotic microbes, one of technology for decomposing straw rapidly. Thestudy was done on November 2011 – March 2012 in Sawah Kidul Village, Pasawahan – PurwakartaDistrict with “farmer participatory on farm research method”. Inpari 13 was the indicator variety andAgrisimba was the treatment to decomposing straw rapidly in rice field to support organic farmingsystem as this topic study. Correlation analysis showed that plant high and value of pithy grain/tasselhave level of closeness significantly with yield character. On further test analysis showed that plant highwas the highest value of direct influence and 100 grain weight was highest value of indirect influence foryield character.
PENGKAJIAN BERBAGAI REKOMENDASI PEMUPUKAN TERHADAP PERTUMBUHAN, KOMPONEN HASIL, DAN HASIL PADI SAWAH VARIETAS INPARI 1 KARSIDI PERMADI
Agrotrop : Journal on Agriculture Science Vol 1 No 2 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Assessment of Various Fertilizer Recommendation on Growth, Yield Components, and Yield of Inpari 1 Rice Variety. Integrated fertilizer application to new high yielding variety (HYV) and irrigation technology give largest contribution to rice production with supports of good practices and pest and disease control (IPM). Therefore, an assessment on wetland rice production with four fertilizer recommendation such as : package, ICM, NPK+LCC and PuPS (Site Specific Fertilizing on Rice). It was used Randomized Block Design with four replications were conducted in Tanjung Sari village, Pondok Salam subdistrict, Purwakarta district, in dry season 2009. The objectives were to obtain the best fertilizer recommendation on growth, yield components, and yield of Inpari 1 rice variety. The results showed that fertilizer recommendation of NPK+LCC significantly affected plant height, number of tiller, and number panicles per hill of Inpari 1 variety, while number of total grains per panicle, filled grain number per panicle, 1000 grain weight, and dry grain yield were not affected by fertilizer recommendation (Package, ICM, NPK+LCC, and PuPS). Fertilizer recommendation of NPK+LCC increased yield of 0.84 t/ha compared that to package recommendation.
Induksi Kalus pada Kultur Pollen Phalaenopsis dengan Menggunakan Asam 2,4-Diklorofenoksiasetat NI PUTU MERTHANINGSIH; HESTIN YUSWANTI
Agrotrop : Journal on Agriculture Science Vol 8 No 1 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (195.716 KB) | DOI: 10.24843/AJoAS.2018.v08.i01.p06

Abstract

Callus Induction on Phalaenopsis Pollen using 2,4-Dichlorophenoxyasetic acid. Tissue culture is one of the modern methods of plant propagation. In tissue culture hormone has an important role. The goals of this research was to determine the effect of 2,4-D hormone on callus growth of Phalaenopsis pollen explants on NP media and to know the most optimal concentration for the formation and growth of explants. This research used the complete randomized design with five treatment of 2,4-D dosage such as 0 ppm, 0.5 ppm, 1 ppm, 1.5 ppm, and 2 ppm. The variables observed in this research was time of explant swollen, percentage of explant swollen, time of explants detached, percentage of explants detached, time of callus growing, percentage of explants grow callus, callus colour, and callus texture. The result of analysis was 1,5 ppm of 2,4-D treatment gave the best effect to explants, with the fastest swollen explants time of 3 days after culture, the highest swollen explants (86.6%), the fastest detached explants (7.4 days after culture), and the highest detached percentage (66.6%), time of explant growth callus (28.4 days after culture) and percentage of explant growth callus (53.3%).
Pengaruh Faktor Meteorologi terhadap Penerbangan Hama Padi Tertangkap pada Lampu Perangkap Merkuri dan CFL BAEHAKI SUHERLAN EFFENDI; TITA RUSTIATI; EKO HARI ISWANTO; NONO SUMARYONO
Agrotrop : Journal on Agriculture Science Vol 5 No 2 (2015)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The influence of meteorological factors on the rice pests flight that catched in the lighttraps of mercury lamp and CFL. Research was carried out in the 2013 at the experimentalgarden of Sukamandi, Indonesian Center for Rice Research (ICRR). Pests were catched in thelight traps of mercury lamp ML 160 watt and CFL 20 watt, while the meteorological data wascollected from a meteorological cage closed 200 m of the light trap. The objectives of thisresearch was to analyze the influence of meteorological factors on the pests flights as basicllyfor early warning system, forecasting and pests dispersal. The results showed that themeteorological factors such as evaporation, wind velocity, light intensity, air temperature,relative humidity, rainfall, and soil temperature at 0 cm were correlated one to anothers. Themeteorological factors had insignificant effect to pests flight of rice yellow stem borer, ricepink stem borer, rice black bug, and brown planthopper that catched in the lihgt trap ofmercury lamp and CFL. Evaporation and soil temperature at 0 cm had significant positiveinfluence while relative humidity had significant negative influence on the flight of leaf folderthat catched in the lihgt trap of mercury lamp. In the lihgt trap of CFL bulbs, the flight of leaffolder had significant positive influenced by air temperature and soil temperature at 0 cm,while had significant negative influenced by relative humidity and rainfall.
Budidaya Kentang Ramah Lingkungan Melalui Aplikasi Pupuk Organik Shisako I.A.PUTRI DARMAWATI; GEDE WIJANA
Agrotrop : Journal on Agriculture Science Vol 2 No 2 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Field experiment was conducted at Antapan village, Baturiti, Tabanan Regency. The experimentaim was to study the optimals of Shisako organic fertilizer dosage for growth and yield of potato. Theexperiment utilized Randomized Complete Design, one factor with six rated of Shisako organic fertilizerdosage treatments. The dosage treatments were: D0 = 0 ton/ha, D1 = 2,5 ton/ha, D2 = 5 ton/ha, D3 =7,5 ton/ha, D4 = 10 ton/ha and D5 = 12,5 ton/ha. The results showed that Shisako organic fertilizerdosage was highly significantly different to plant height, leaf number, leaf area index, tubers number perhill, tuber fresh weight per hill and fresh tubers weight per hectare than control. The optimum of Shisakofertilizer dosage treatment for microtuber Granola of potato cultivars from this research was found at6,08 ton/ha with the maximum wet weight tubers was 5,13 ton/ha.
PENGGUNAAN EKSTRAK BIOTA LAUTAGLAOPHENIA SP. UNTUK MENGENDALIKANFUSARIUM OXYSPORUM F.SP.VANILLAE PENYEBAB BUSUK BATANG VANILI I KETUT SUADA
Agrotrop : Journal on Agriculture Science Vol 1 No 1 (2011)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Use of Aglaophenia sp. Marine Biota Extract to Control Fusarium oxysporum f. sp. vanillae, a Pathogen of Vanilla Stem Rot The use of marine biota for organic fungicide material has enormous potential to be developed. The organic fungicide was directed to substitute synthetic fungicide for vanilla cultivation. Application of synthetic fungicide degraded environmental quality, therefore its applications does not support sustainable agriculture. The objective of this research was to know the potence of Aglaopheniain suppressing the growth of F. oxysporum f. sp.vanillae, the pathogen of vanilla stem rot. The research was done in green house in order to find the best substance for formulation of the extract. The substances screened were water, tween-80, and detergents with two different concentrations. Subsequently, two best formulas were chosen to apply in endemic area in Tabanan. The green house and field trial research used Randomized Completely Design with three and five replications respectively. Results showed that tween was the best substance used for formulation and concentration of 0.2% was better than other concentrations. The extract diluted in tween-80 on the concentration of 0.2% showed the lowest rot on stem, longest shoot, and the most leaves on vanilla shoot. Because of its significant performance, the 0.1% extract ofAglaopheniain 0.1% tween-80 was proposed to be the best formula to suppress the vanilla stem rot disease.
Tim Editorial Agrotrop Vol. 7, No. 2, November 2017 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 7 No 2 (2017)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Tim Editorial Agrotrop Vol. 7, No. 2, November 2017
Pengaruh Kualitas dan Kuantitas Pakan (Daun Bawang) terhadap Kejadian Polimorfisme Warna pada Larva Spodoptera exigua Hubner (Lepidoptera: Noctuidae) LATIZIO BENI DA COSTA CRUZ; I WAYAN SUPARTHA; I WAYAN SUSILA
Agrotrop : Journal on Agriculture Science Vol 8 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.68 KB) | DOI: 10.24843/AJoAS.2018.v08.i02.p03

Abstract

The Effect of Feed (Onion Leaves) on the Event of Color Polymorphism on Larvae Spodoptera exigua HUBNER (Lepidoptera: Noctuidae). Color polymorphism is a form of color difference that appears morphologically and genetically in the same insect species. The existence of these changes in shape has to do with the defense mechanism of the species concerned for disguise, avoiding natural enemies and adjusting to the new environment. The occurrence of color polymorphism is often found in S. exigua larvae that attack the onion crop in the field. The purpose of the study was to determine the effect of the quality and quantity of feed (onion) on the color changes of S. exigua larvae. This research was carried out in the laboratory using adaptation test method and comparative test with randomized block design. The results of the study show that decreasing the quality and quantity of feed (onion) encourages color changes from green to dark. In addition, green to dark color changes are also triggered by the developmental phase of the larvae. The development of larvae from the 3rd instar phase has shown symptoms of color change from green to dark even though the quantity and quality of the food is fulfilled.
Daftar Isi Agrotrop Vol. 9, No. 1, Mei 2019 Jurnal AGROTROP
Agrotrop : Journal on Agriculture Science Vol 9 No 1 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

Daftar Isi Agrotrop Vol. 9, No. 1, Mei 2019
Kajian Beberapa Varietas Unggul Jagung Hibrida dalam Mendukung Peningkatan Produktivitas Jagung YATI HARYATI; KARSIDI PERMADI
Agrotrop : Journal on Agriculture Science Vol 4 No 2 (2014)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The Assessment of Several Varieties of Superior Hybrid of Maize in Support of An Increase in Productivity of Maize. Maize is one of the commodity that can support industry and exports, therefore an increase of productivity and expansion of planting area is needed and study on varieties of maize that can grow optimally with local area conditions is required. Assessment is done in ‘kelompok tani Lengo’, Sindangkasih village, Sub District Majalengka, District Majalengka, West Java Province from June to August, 2014. It used randomized block design with five varieties of maize hybrids (Bima-3, 4, 5, 6 and 19) and five replications. The aim of the assessment was to determine adaptation of some new varieties of maize hybrids in the local area conditions (specific location). The study showed that with technology of Integrated Crop Management, productivity of Bima-4 variety was highest (8.74 t ha-1) compared to other varieties, indicated that this variety was suitable to be developed in Majalengka. Farming analysis with application of The Integrated Crop Management showed that the the R/C value of Bima-4 variety was 3.48.

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