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JURNAL AGRONIDA

JAG
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Published by Universitas Djuanda Bogor

ISSN : 24079111 EISSN : 25793225 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Merupakan jurnal yang berisi tentang hasil-hasil penelitian yang berkaitan bidang teknologi budidaya pertanian yang ramah lingkungan. khususnya dalam bidang produksi dan pengelolaan benih, produksi dan pengelolaan agen hayati, pengelolaan Organisme Pengganggu Tanaman , nutrisi tanaman dan pasca panen tanaman hortikultura.

Arjuna Subject : -

Articles 164 Documents

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MORPHOLOGICAL AND CHEMICAL CHARACTERISTICS OF VARIOUS PUMMELO (Citrus maxima (Burm.) Merr.) ACCESSIONS FROM MAGETAN REGENCY Arifah Rahayu; Wini Nahraeni; Nur Rochman; Rizki Yora Ardiansyah
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

Magetan Regency was the production centre of pummelo that have many accessions with various morphological and chemical characteristics, but only a few of them were identificated. This study was aimed at identifying morphological and chemical characteristics of pummelo fruits in Magetan Regency. The study was conducted in the Biology Laboratory of Djuanda University, Bogor from May to July 2015. Results showed with regard to their morphological characteristic, pomelo plants in this region were found to have spheroid and spheroid-pyriform fruits and the weight of their fruit parts, fruit core width, mesocarp thickness, fruit circle before peeling, fruit circle after peeling, number of fruit segments, number of developed seeds, and edible parts of the fruit were varied. Chemical characteristics were also found to be varied with vitamin C content of 29.80−44.66 mg/100g, total soluble solids (TSS) content of 8.10−9.72°Brix, total titratable acidity (TAA) of 0.31−0.53 g/100 ml, and TSS/ TAA ratio of 17.69−28.58. Key words: production centre of pummelo, spheroid, vitamin C, TSS

Pertumbuhan dan produksi sawi manis (Brassica juncea L.) pada berbagai dosis pupuk kompos ternak sapi dan pupuk N, P dan K Ahmad Sanusi; Setyono Setyono; Sjarif Avitidjadi Adimihardja
JURNAL AGRONIDA Vol. 1 No. 1 (2015)
Publisher : Universitas Djuanda Bogor

The study was aimed at assessing the effects of the application of different rates of cattle compost manure and N, P, K fertilizer on the growth and production of mustard greens. The study was done from May to June 2013 at Agrotechnology Trial Farm of Djuanda University. A factorial completely randomized design with two factors was used. The first factor was cattle compost manure in four levels, namely 0 ton/ha (R), 5 ton/ha (0,5 R), 10 ton/ha (R), and 15 ton/ha (1,5 R). The second factor was N, P, K fertilizer in four levels, namely 0 kg/ha (0 R), Urea 187 kg/ha + SP-36 155.5 kg/ha + KCl 112 kg/ha ( 0.5 R), Urea 374 kg/ha + SP-36 311 kg/ha + KCl 224 kg/ha ( R), and Urea 561 kg/ha + SP-36 466.5 kg/ha + KCl 336 kg/ha ( 1.5 R). Results showed that no interaction effect was found on all parameters measured except on the shoot diameter at 2 weeks after planting (WAP). Increasing rates of cattle compost manure did not give significant effects on all parameters measured except on number of leaves at 2 WAP. Increasing rates of N,P,K fertilizer were found to significantly increase the growth and production of mustard greens. This positive effects were found on plant height, number of leaves, and trunk diameter at 2, 3, and 4 WAP and shoot diameter at 3 and 4 WAP. Shoot wet and dry weights of plants in 1.5 R, N, P and K were significantly higher than those in other treatments.Keywords: Brassica juncea L., cattle manure,N, P, and K

DISTRIBUTION OF PUMMELO {Citrus maxima (Burm.) Merr.} ACCESSIONS IN MAGETAN REGENCY Rizky Yora; Arifah Rahayu; Wini Nahraeni; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 1 (2017)
Publisher : Universitas Djuanda Bogor

Pummelo plants in Magetan Regency were found to spread over several villages and their accessions have their own morphological and chemical characteristics. This study was aimed at assessing the distribution and the number of pummelo accessions in Magetan Regency. The study was conducted in Magetan Regency East Java from May to July 2015. Observation was conducted on distribution marking and accession characteristics by using a survey method. Results showed that the accessions of pummelo plants grown by farmers in Tambak Mas Village were varied but they were not evenly distributed. Meanwhile, pummelo plants grown by farmers in Dukuh Village had uniform accessions with uneven distribution. Results of field observation obtained 13 pummelo accesions, namely Adas Duku, Adas Nambangan, Bali Putih, Bali Merah 1, Bali Merah 2, Gulung 1, Gulung 2, Gulung 3, Magetan, Jawa 1, Jawa 2, Jawa 3, dan Sri Nyonya. The most commonly pummelo accessions found in Tambak Mas Village were Adas Nambangan and Adas Duku. Meanwhile the most accessions planted in Bendo Village were Adas Duku and Sri Nyonya. Key words: pummelo, Adas Nambangan, Tambak Mas, Dukuh, survey method

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

Karakteristik Pasacapanen Buah Manggis pada Berbagai Jenis Kemasan Muhammad Muakkada; Arifah Rahayu; Hisworo Ramdani
JURNAL AGRONIDA Vol. 2 No. 1 (2016)
Publisher : Universitas Djuanda Bogor

Packaging in horticultural products is done to maintain pysical and physiological quality and makedistribution and marketing easier to do, especially when it is combined with storage at low temperature.This study was aimed at assessing postharvest characteristics of mangosteen (Garcinia mangostana L.)fruits which were package in various packaging (scrap paper, Na-metabisuphide plastic, and combination ofscrap paper and Na-metabisuphide plastic) and stored at temperatures of 12oC and 28-29oC. Results showedthat storage at 12oC was better at maintaining weight, diameter, skin color (value a and value b), sepalcolor (value b), and TSS (total soluble solids) content. At 12oC, scrap paper packaging was able tomaintainskin color (value a), Na-metabisuphide plastic was able maintain skin color (value a), and thecombination of scrap paper and Na-metabisuphide plastic) was able maintain skin color (value L and b).Key words: low temperature, scrap paper, Na-metabisuphide plastic, mangosteen

Daya insektisidal ekstrak daun tembelekan(Lantana camara Linn.) dan buah lerak (Sapindus rarak DC.) pada hama gudang callosobruchus chinensis Indah Pratiwi; Setyono Setyono; Nur Rochman
JURNAL AGRONIDA Vol. 1 No. 2 (2015)
Publisher : Universitas Djuanda Bogor

Penelitian ini bertujuan untuk mengetahui kemampuan ektrak daun tembelekan (Lantana camara Linn.) dan buah lerak (Sapindus rarak DC.) dalam mengendalikan hama gudang Callosobruchus chinensis. Penelitian ini dilaksanakan pada bulan September 2014 sampai Januari 2015 di Laboratorium Entomologi, SEAMEO BIOTROP. Pada penelitian ini terdapat dua percobaan yaitu dengan ekstrak daun tembelekan dan buah lerak. Rancangan yang digunakan yaitu Rancangan Acak Lengkap (RAL) dengan tiga kali ulangan untuk setiap taraf konsentrasi bahan ekstrak. Konsentrasi ekstrak daun tembelekan yang digunakan untuk uji pendahuluan masing-masing adalah 0.0%; 0.5%; 1.0%; 1.5%; 2.0%; 2.5% dan 3.0% (v/v). Konsentrasi ekstrak buah lerak masing-masing 0.0%; 1.0%; 1.5%; 2.0%; 2.5%; 3.0% dan 3.5% (w/v). Konsentrasi yang digunakan untuk uji utama ditentukan berdasarkan hasil uji pendahuluan

FERTILIZER GIVING EFFECT OF BIOLOGICAL AND CALCIUM ON THE GROWTH AND PRODUCTION PLANT BEAN (Phaseolus vulgaris L.) Indra Rohman Mutaqin; Oktavianus Lumban Tobing; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

This study aims to obtain a doses of biological fertilizer and calcium doses that gives the best effect on the growth and production of beans (Phaseolus vulgaris L.) upright type. This experiment was carried out from February until April 2014, at the experimental field of Depatment of Agrotechnology, University of Djuanda Bogor. The experimental design used is a factorial completely randomized design with 5x3 treatments and 3 replications. The first factor biofertilizers (rich bio), A0: control (without biofertilizer), A1: Biological Fertilizer doses of 10 kg / ha, A2: biological fertilizer doses of 20 kg / ha, A3: biological fertilizer dose of 30 kg / ha, A4: microbial doses (as recommended), while the second factor doses of dolomite (CaMg (CO3) 2) consists of: B0: 0 ton / ha (without calcium), B1: 2 tons / ha, B2: 4 tons / ha. The results showed a doses of calcium 4 tons / ha showed a better response in plant height (2 weeks after plant) and the weight of the third harvest pod. Provision of calcium which is accompanied by adequate dosage of biological fertilizer can increase the wet weight and dry weight of stover. Keywords: bean seed upright type, dosage biological fertilizer, calcium

Effect of Cow Urine and IBA on the Growth of Sweet Leaf (Sauropus androgynus (L.) Merr.) Cuttings Fawziyah Nurshabrina; arifah rahayu; oktavianus lt
JURNAL AGRONIDA Vol. 5 No. 1 (2019)
Publisher : Universitas Djuanda Bogor

Sweet leaf (Sauropus androgynus (L.) Merr.), a leaf vegetable that is generally propagated vegetatively with cuttings. This study aims to determine the effect of accession and administration of natural and synthetic auxin growth regulators on the growth of sweet leaf cuttings. This study uses factorial Randomized Complete Design consisting of two factors, namely accession (Banten from Pandeglang, Bogor from Tajur, and Cianjur from Cugenang) and auksin combination (IBA 100%R, urine 25%R + IBA 75%R, urine 50%R + IBA 50%R, urine 75%R + IBA 25%R, and urine 100%R). The results showed that the growth of Cianjur accession had the best results on the percentage of growth cuttings, the percentage of shoot buds, shoot height, number of shoots, number of leaves, percentage of rooted cuttings, and number of roots compared to Banten and Bogor accessions. Giving urine 100%R significantly increases plant height, shoot height, number of shoots, and number of sweet leaf plant roots compared with other auxin combinations. The combination treatment of auxin and accession showed results that were not significantly different from the variable root length and weight of the harvest. In sweet leaf plants, cow urine can replace the use of IBA (Indole Butyric Acid). Keywords: Sauropus androgynus, vegetative, urine, IBA

PEMANFAATAN PUREE PEPAYA (Carica Papaya L.) DAN PUREE NANAS (Ananas Comosus L.) SEBAGAI ALTERNATIF BAHAN BAKU PRODUKSI GUMDROPS Hisworo Ramdani; Mira Suprayatmi; Rachmawati Rachmawati
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

The purpose of this research was to determine the ratio of papaya and pineapple puree and proper drying time on the processing of gumdrops. This research used Completely Randomized Design (CRD). The first factor is ratio of papaya and pineapple puree consisting of three levels, namely 1:1, 1:2 and 2:1. The second factor length of drying time (3 hours, 3.5 hours and 4 hours). The characters was observed is color, moisture content, vitamin C, TSS (Total Soluble Solid), hedonic color, aroma, texture and taste. The results of this research shown the ratio of puree and a long drying significantly affected red color (a* value), yellow (b* values), color ⁰Hue, the color intensity (chroma) and brightness (L value), water degree and vitamin C. The recommended composition to make gumdrops is it was made of papaya and pineapple puree by ratio 1:1, with 3 hours drying time. The characteristics of gumdrops product are average value of red color (a* value) 9.9, yellow (b* values)14.6, the color intensity (chroma)17.6, color ⁰Hue 55.8, brightness (L value) 36.0, water degree 14.69 %, vitamin C 42.83 mg/100 g of material, TSS 56 oBrix, color hedonic 4.8 (neutral towards little like), aroma hedonic 4.6 (neutral towards little like), texture hedonic 5.0 (neutral towards little like) dan taste hedonic 5.0 (neutral towards little like). Keywords: Papaya puree, pineapple puree, long drying, gumdrops ABSTRAKTujuan penelitian ini adalah mengetahui rasio puree pepaya dan puree nanas serta lama pengeringan yang tepat pada pengolahan gumdrops. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dua faktor. Rasio puree yang digunakan terdiri atas 1:1, 1:2 dan 2:1 dengan lama pengeringan yang digunakan 3 jam, 3,5 jam dan 4 jam. Parameter yang diamati adalah warna, kadar air, vitamin C, TPT, hedonik warna, aroma, tekstur dan rasa. Hasil penelitian menunjukkan rasio puree dan lama pengeringan berpengaruh nyata terhadap warna merah (nilai a*), warna kuning (nilai b*), ⁰Hue warna, intensitas warna (chroma) dan kecerahan (nilai L), kadar air dan vitamin C. Gumdrops terpilih diperoleh pada rasio puree pepaya : puree nanas 1:1 dengan lama pengeringan 3 jam dengan nilai rata-rata warna merah (nilai a*) 9.9, warna kuning (nilai b*) 14.6, ⁰Hue warna 55.8, intensitas warna (chroma) 17.6, kecerahan (nilai L) 36.0, kadar air 14.69 %, vitamin C 42.83 mg/100 g bahan, TPT 56 oBrix, hedonik warna 4.8 (netral menuju agak suka), hedonik aroma 4.6 (netral menuju agak suka), hedonik tekstur 5.0 (netral menuju agak suka) dan hedonik rasa 5.0 (netral menuju agak suka). Kata kunci : Puree pepaya,puree nanas, lama pengeringan, gumdrops

PERTUMBUHAN, PRODUKSI DAN KUALITAS SAWI MANIS (Brassica juncea L.) PADA BERBAGAI KONSENTRASI URIN SAPI DAN DOSIS PUPUK N, P DAN K Ade Hilman Sholeh Nawawi; Arifah Rahayu; Yanyan Mulyaningsih
JURNAL AGRONIDA Vol. 2 No. 1 (2016)
Publisher : Universitas Djuanda Bogor

Penelitian ini bertujuan untuk mengetahui pengaruh urin sapi dan pupuk N, P dan K terhadap pertumbuhan, produksi dan kualitas sawi manis (Brassica junccea L.). Kegiatan penelitian dilaksanakan pada 01 Januari – 21 Pebruari 2013 di Kebun Percobaan Jurusan Agroteknologi dan Laboratorium Biologi Fakultas Ilmu dan Bisnis Pertanian Universitas Djuanda, Ciawi, Bogor. Dalam penelitian ini digunakan Rancangan Acak Lengkap yang terdiri atas dua faktor.Faktor pertama adalah konsentrasi urin sapi (U) (0 cc/l, 5 cc/l, 10 cc/l, 15 cc/l, 20 cc/l) dan faktor kedua adalah dosis pupuk N, P dan K (N) (0 g/polibag, 2.02 g/polibag, 4.03 g/polibag, 6.03 g/polibag. Hasil penelitian menunjukkan bahwa konsentrasi urin sapi tidak berpengaruh nyata terhadap pertumbuhan, produksi dan kualitas sawi manis (Brassica juncea L.), kecuali pada lingkar batang. Pupuk N, P dan K nyata meningkatkan pertumbuhan dan produksi sawi manis (Brassica juncea L.), tetapi tidak meningkatkan kualitas sawi manis (Brassica juncea L.). Hal ini tampak pada rata – rata tinggi tanaman (2 dan 3 MST), jumlah daun (2 dan 3 MST), lingkar batang (2 dan 3 MST), diameter tajuk (2 dan 3 MST), bobot basah brangkasan, bobot kering pucuk dan luas rata – rata daun.Kata Kunci: Brassica juncea, urin sapi, N, P dan K

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