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Jurnal Agro Teknologi Tropika
Published by Universitas Riau
ISSN : -     EISSN : 23376562     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi Tropika memuat hasil-hasil penelitian mutakhir (5 tahun terakhir), ulasan singkat (review), analisis kebijakan atau catatan penelitian singkat (research note) mengenai teknik percobaan, alat, pengamatan, dan hasil awal percobaan (preliminary result) terkait bidang Ilmu Pertanian seperti : Agronomi, Pemuliaan Tanaman, Ilmu Tanah, Proteksi Tanaman, Mikrobiologi Pertanian, dan bidang ilmu pertanian terkait lainnya. Jurnal Agroteknologi Tropika terbit dua kali dalam setahun pada bulan Januari dan Juni.
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Articles 2 Documents
 1 
Search results for , issue " Vol 6, No 1 (2017)" : 2 Documents clear
Pengaruh Sitokinin (Kinetin) dan Auksin (2,4-D) dalam Media Induksi Murashige dan Skoog terhadap Perkembangan Eksplan Meristem Apikal Tunas Anakan Tanaman Sagu (Metroxylon sagu Rottb.) Nurhidayah, Tengku; Mardhiansyah, Muhammad; Mulyani, Desti
Jurnal Agro Teknologi Tropika Vol 6, No 1 (2017)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

This research aims to observe the effect of the concentration combination of cytokines (Kinetin) and auxin (2,4-D) in the induction medium MS to the development of the apical meristem explant shoots chicks of sago plant suckers. The research was carried out in the Laboratory of Plant Biotechnology Department of Agrotechnology Faculty of Agriculture, University of Riau, from October 2014 to January 2015. The experimental units were arranged in a completely randomized design consisting of six treatments: P1 = 0.1 mg/l kinetin + 5 mg/l 2,4-D; P2 = 0.1 mg/l kinetin + 10 mg/l 2,4-D; P3 = 0.1 mg/l kinetin + 15 mg/l 2,4-D; P4 = 0.2 mg/l kinetin + 5 mg/l 2,4-D; P5 = 0.2 mg/l kinetin + 10 mg/l 2,4-D; P6 = 0.2 mg/l kinetin + 15 mg/l 2,4-D and were replicated three times. Data were analyzed using analysis of variance and further analyzed with Duncan’s New Multiple Range Test at 5 % level. Parameters measured were shoot emergence time (days), number of shoots, shoots height (cm) and the number and percentage of shoots contaminated (%). The results showed that the addition of some concentration of kinetin and 2,4-D in MS induction medium affected on the development of the apical meristem explant shoots chicks of sago plant suckers. The best development of the apical meristem explant shoots of sago plant suckers was found on the combination of kinetin 0.2 mg/l + 10 mg/l 2,4-D.
Pengendalian Penyakit Layu Fusarium dengan Trichoderma sp. pada Dua Varietas Tomat Ghufron, Muzayyinul; Nurcahyanti, Suhartiningsih Dwi; Wahyuni, Wiwiek Sri
Jurnal Agro Teknologi Tropika Vol 6, No 1 (2017)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

Important disease have to be controlled on tomato plant is fusarium wilt. One environmentally friendly control technique is using Trichoderma sp. This study aims to determine the effect of Trichoderma sp. in controlling fusarium wilt on two varieties of tomatoes. The experimental design used was completely randomized design (CRD) two factors, namely the variety and control technique. Varieties factor consist of Tymoti (V1) and Rose (V2). Control technique factor consists of no control (P0), fungicide active ingredient Benomyl (P1), Trichoderma density of 106 spores/ml (P3), and Trichoderma density of 108 spores/ml (P4), so there are eight combinations of treatment and repeated 3 times. Data were analyzed by analysis of variance followed by Duncan test level of 5%. Fusarium sp. shows the characteristics of yellowish-white colonies with a crescent-shaped insulated conidia. Trichoderma sp. shows the characteristics of dark green colonies with spherical spores. The results of in vitro inhibition test showed that Trichoderma sp. abled to inhibit Fusarium sp. nearly 100%. Rose varieties showed disease severity 0% on all control techniques and Tymoti showed disease severity 100% on without control technique factor. Controlling by Trichoderma 106 spores/ml in Tymoti varieties can suppress the disease up to 13.89% and Trichoderma with density 106 spores/ml showed results of 1490 g per plant, weight of 38.98 g per fruit, and fruit production 4460 g.

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