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All Journal Buletin Penelitian Tanaman Rempah dan Obat JURNAL AGRONIDA Buletin Penelitian Tanaman Rempah dan Obat

Setyono Setyono

Unknown Affiliation

Author-ID : 3115622

Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management

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Effects of Planting Density and Concentration of NPK Fertilizer on the Growth of Potted Chrysanthemum (Chrysanthemum morifolium Ramat) Feby Steviani Anugrah Ramadhan; Setyono Setyono; Evi Dwi Sulistya Nugroho
JURNAL AGRONIDA Vol. 4 No. 1 (2018)
Publisher : Universitas Djuanda Bogor

Chrysanthemum is an ornamental plant that people likes, grows the whole year, and hashigh economic value. This study was aimed at assessing the effects of planting density andconcentration ofNPK fertilizer on the growth of potted chrysanthemum. The study was conductedin a plastic house at the Indonesian Ornamental Crops Research Institute (IOCRI), Cipanas,Cianjur, West Java from March to June 2017. Shoot cuttings of ±7 cm of potted chrysanthemum ofAvanthe Agrihorti cultivar were used. A completely randomized design in a factorial pattern withfactors was used. The first factor was planting density and the second factor was concentrationofNPK (16:16:16) fertilizer. The planting density consisted of 5, 6, and 7 shoot cuttings andconcentrationof NPK fertilizer were 150, 200, 250, and 300 ppm. Results showed that plantingdensity significantly affected stem diameter, number of buds, and width of canopy. No effectconcentrationof fertilizer was found on all variables.Keywords: potted chrysanthemum, planting density, NPK fertilizer

Effects of the Administration of Coconut (Cocos nucifera) Water and Urea Fertilizer in Various Rates on the Growth and Production of Pakcoy (Brassica juncea L.) Tarzan Purba; Octavianus Lumban Tobing; Setyono Setyono
JURNAL AGRONIDA Vol. 4 No. 2 (2018)
Publisher : Universitas Djuanda Bogor

Pakcoy (Brassica juncea L.) is a leaf vegetable that requires sufficient nutrients for growth and development to produce maximum production. This study aims to determine the effect of pakcoy watering using coconut water and giving various doses of urea fertilizer to the growth and yield of pakcoy plants. This study used a factorial complete randomized design consisting of two factors. The first factor is the supply of coconut water which consists of four levels of treatment namely without coconut water (A1), volume of coconut water 100 ml (A2), volume of coconut water 150 ml (A3), volume of coconut water 200 ml (A4). The second factor was urea fertilizer which consisted of four treatment levels, namely without urea (N1), urea 0.2 gr (N2), urea 0.4 gr (N3), urea 0.6 gr (N4). The results of this study indicate that the watering of coconut water and the giving of various doses of urea fertilizer affect plant height at the 5th and 6th week, the number of leaves at the 5th and 6th week, leaf area, canopy width at the 5th and 6th week, leaf wet weight, leaf dry weight, root wet weight and root dry weight. The interaction between coconut water and urea fertilizer did not affect all observed variables.Key words: Brassica juncea, coconut water, urea, stover weight, growth.

The Insecticide Toxicity and Repelling Ability of Jeruk Purut (Citrus hystrix D.C) Leaf Extract on Maize Weevil (Sitophilus zeamais Motsch) Alfia Wulansari; Nur Rochman; Setyono Setyono
JURNAL AGRONIDA Vol. 5 No. 1 (2019)
Publisher : Universitas Djuanda Bogor

Sitophilus zeamais Motsch. is a primary storage insect pest damaging maize grains. Control of S. zeamais can be done by applying biopesticide. This study was aimed at assessing the ability of Jeruk Purut leaf extract, as biopesticide, to kill and repel Sitophilus zeamais Motsch. The study was conducted at Entomology Laboratory, Seameo Biotrop in March to August 2018. A completely randomized design with three replicates in each rate of Jeruk Purut leaf extract was used. In preliminary pesticide toxicity experiment, five rates of Jeruk Purut leaf extract, namely 0%, 2%, 4%, 6%, and 8% were applied. In preliminary repelling ability experiment, five rates of Jeruk Purut leaf extract, namely 1%, 2%, 4%, 6%, and 8% were applied. In the main pesticide toxicity and repelling ability trial, five rates of Jeruk Purut leaf extract, namely 3%, 6%, 9%, 12%, and 15% were applied. Results showed that in 24 hour after treating (HAT) no significant effects were found. Significant effects of Jeruk Purut leaf extract as insecticide on S. zeamais were found in 48 and 72 HAT. The highest mortality rate (82.2%) of S. zeamais was found in 15% rate of Jeruk Purut leaf extract in 72 HAT. The application of Jeruk Purut leaf extract was not found to give significant effects on repelling S. zeamais in 24, 48, and 72 HAT as indicated in their sharply fluctuating repellent values. The highest repelling ability (95%) was found in the application of 9% Jeruk Purut leaf extract in 24 HAT. It was concluded that Jeruk Purut leaf extract was more potential as insecticide repellent for Sitophilus zeamais Motsch. Key words: biopesticide, repellent, insecticide, maize, primary storage insect pest

OPTIMALISASI PERTUMBUHAN DAN HASIL EDAMAME (Glycine max L. Merril) MELALUI PEMBERIAN PUPUK NITROGEN DAN EKSTRAK TAUGE KACANG HIJAU Rahman Rahman; Oktavianus Lumban Tobing; Setyono Setyono
JURNAL AGRONIDA Vol. 5 No. 2 (2019)
Publisher : Universitas Djuanda Bogor

This study was conducted at the experiment garden of Agrotechnology Department, DjuandaUniversity, Bogor, from July to September 2018. The study was aimed at assessing the effects ofthe application of nitrogen fertilizer and mung bean sprout extract on the growth and productionof edamame (Glycine max L. Merril) plants. The experimental design used was a factorialcompletely randomized design. The first factor is the dose of N fertilizer with four levels, namelywithout N (0 kg N / ha), a half recommendation of N fertilizer (34.5 kg N / ha), one recommendationof N fertilizer (69 kg N / ha), and one and a half recommendation of N fertilizer (103.5 kg N / ha).The second factor is the concentration of mung bean sprout extract with four levels, namely withoutmung bean sprout extract (0g tauge extract / l water), a half recommendation of mung bean sproutextract (75g tauge extract/ l water), one recommendation of mung bean sprout extract (150g taugeextract / l water) and one and a half recommendation of mung bean sprout extract (225g taugeextract/ l water). The results showed that the dose of N fertilizer significantly affected the widestleaf area. The concentration of mung bean sprout extract significantly affected the number of shootsat 6 and 7 weeks after planting (MST).Keywords: edamame soybean, N fertilizer, mung bean sprout

Co-Authors A Kurnia AA Mattjik Agus Rahman Ahmad Sanusi Alfia Wulansari Arifah Rahayu Budi Winarto Evi Dwi Sulistya Nugroho Feby Steviani Anugrah Ramadhan H Suhaeni I Made Sumertajaya Indah Pratiwi Muhammad Agus Muljanto Nur Rochman Octavianus Lumban Tobing Oktavianus Lumban Tobing Rosihan Rosman Saptaji Saptaji Selvia Kurdianingsih Sjarif Avitidjadi Adimihardja Tarzan Purba Teuku Omaranda

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