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JURNAL AGRONIDA
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.
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Articles 6 Documents
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Search results for , issue "Vol. 2 No. 2 (2016)" : 6 Documents clear
PERTUMBUHAN KANTONG SEMAR {Nepenthes mirabilis (Lour.) Druce} PADA BERBAGAI KOMPOSISI MEDIA TANAM DAN TINGKAT NAUNGAN Daden Sukarta; Arifah Rahayu; Nur Rochman
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.882 KB) | DOI: 10.30997/jag.v2i2.940

Abstract

Pitcher Plant {Nepenthes mirabilis (Lour.) Druce} Growth in Different Compositions of Planting Medium and Level of ShadingABSTRACTThis research aimed to determine the effects of various compositions of planting medium and level of shading on the vegetative growth of the pitcher plant (Nepenthes mirabilis (Lour.) Druce). The experiments were arranged in a split plot arrangement on randomized blok design. The main plot was paranet shading (0%, 25%, 50%, 75%), and the sub-plots were planting medium compositions (cocopeat : rice husk charcoal (1:0) (1:0), cocopeat : rice husk charcoal (0:1) (0:1), cocopeat : rice husk charcoal (1:1) (1:1), cocopeat : rice husk charcoal (1:2) (1:2), cocopeat : rice husk charcoal (2:1) (2:1)). Increased shading levels from 0% to 75% caused N. mirabilis plants to be shorter and rosetted, with larger leaf surface area and more leaves and pitchers, but with smaller-sized pitcher. Nepenthes mirabilis which were planted in 1:1 medium showed have more leaves, and pitchers, larger pitchers, greater leaf surface area and longer roots, compared with those planted in 1:2 medium. However, the number of leaves and root length of plants in 1:1 medium was not significantly different to those in 1:0 and 2:1 medium. Pitcher size of N. mirabilis  planted in 1:1 medium was not significantly different to those planted in 1:0 and 0:1 medium. The number of pitchers and leaf area of N. mirabilis planted in 1:1 medium was not significantly different to those planted in 0:1 and 2:1 medium. The pH level of 1:0 medium was lower than 0:1 medium at different levels of shading.Key words : Nepenthes mirabilis (Lour.) Druce, cocopeat, rice husk charcoal, pitchers ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh berbagai komposisi media tanam dan tingkat naungan pada pertumbuhan vegetatif kantong semar (Nepenthes mirabilis (Lour.) Druce. Penelitian ini disusun menggunakan Rancangan Acak Kelompok (RAK) pola petak terpisah (split plot design). Petak utama adalah naungan paranet (0%, 25%, 50%, 75%), sebagai anak petak adalah kombinasi media cocopeat dan arang sekam dengan perbandingan 1:0, 0:1, 1:1, 1:2 dan 2:1. Pertambahan tingkat naungan dari 0% ke 75% menyebabkan pertumbuhan tanaman N. mirabilis lebih pendek dan berbentuk roset dengan luas daun lebih besar, jumlah daun dan kantong lebih banyak tetapi ukuran kantong lebih kecil. Nepenthes mirabilis yang ditanam pada komposisi media 1:1 menunjukan jumlah daun, jumlah kantong, ukuran kantong, luas daun dan panjang akar yang lebih besar dibandingkan dengan yang ditanam pada komposisi media1:2, walaupun demikian jumlah daun dan panjang akar pada 1:1 tidak berbeda nyata dengan yang ditanam pada 1:0 dan 2:1, ukuran kantong N. mirabilis yang ditanam pada media 1:1 tidak berbeda nyata dengan yang ditanam pada media 1:0 dan 0:1, jumlah kantong dan luas daun N. mirabilis yang ditanam pada media 1:1 tidak berbeda nyata dengan yang ditanam pada 0:1 dan 2:1. Tingkat kemasaman (pH) pada media tanam 1:0 lebih kecil dibandingkan dengan pH media tanam 0:1 pada berbagai tingkat naungan.Kata kunci: Nepenthes mirabilis (Lour.) Druce, cocopeat, arang sekam,  kantong
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1384.482 KB) | DOI: 10.30997/jag.v2i2.941

Abstract

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
CONTOH PENGGUNAAN INDEKS SEDERHANA PADA SELEKSI JAGUNG (Zea Mays) Setyono Setyono
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1032.475 KB) | DOI: 10.30997/jag.v2i2.994

Abstract

Selection is choosing the good or discarding the bad. The selection index is one of the selection procedures in the plant breeding program when it involves many characters. In this study we used experimental data resulted by split plot design involving 30 maize genotypes planted in 3 environments with 3 replications, so that in each response variable there were 270 observation units. From the 30 genotypes, selection performed using an index of 4 characters with unweighted index methods (equal weight) and weighted index method (different weight), to obtain 5 genotypes with the largest index. The parameters studied include the population average, selection average, selection differential, genetic gain/cycle, and percent genetic gain/ cycle of each response variable. The results of the study showed that both methods always give positive progress on the character chosen as selection criteria, but not necessarily give positive progress to other characters. In practice the selection in the field we should consider the heritability. Keywords: index selection, selection differential, genetic gain / cycle, heritability
PENGARUH BERBAGAI KONSENTRASI IBA DAN URIN SAPI TERHADAP PERTUMBUHAN SETEK TANAMAN LADA (Piper nigrum L.) Komar Riski; Arifah Rahayu; Sjarif Avitidjadi Adimihardja
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (686.225 KB) | DOI: 10.30997/jag.v2i2.938

Abstract

Effect of IBA and Cow Urine Concentrations on the Growth of Pepper CuttageABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh konsentrasi IBA dan urin sapi terhadap pertumbuhan setek tanaman lada. Penelitian dilaksanakan pada bulan Juli sampai dengan September 2014 di Kebun Percobaan Agroteknologi Universitas Djuanda Bogor. Rancangan yang digunakan adalah rancangan acak lengkap dengan dua faktor. Faktor pertama adalah konsentrasi IBA (0 ppm, 200 ppm, 225 ppm, dan 250 ppm) dan faktor kedua adalah konsentrasi urin sapi (0%, 15%, 20% dan 25%). Hasil penelitian menunjukkan konsentrasi IBA tidak berpengaruh terhadap semua peubah yang diamati, kecuali pada persentase setek hidup pada umur 4 MST. Setek lada yang diberi urin sapi 20%  memiliki persentase setek hidup, persentase setek berakar, panjang akar, jumlah akar dan jumlah tunas lebih tinggi dibandingkan dengan yang diberi perlakuan konsentrasi lain. Setek lada yang diberi urin sapi 0% menghasilkan persentase setek bertunas pada umur 4 dan 10 MST, panjang tunas pada umur 6-8 MST lebih baik dibandingkan yang diberi urin sapi dengan konsentrasi lebih tinggi. Kata kunci: Persentase setek hidup, persentase setek berakar, panjang akar, jumlah tunas ABSTRACTThis study aims to determine the effect of IBA and cow urine concentrations on the growth of pepper cuttage. The research was conducted from July to September 2014 at Agrotechnology Experiment Garden of Djuanda University, Bogor. The experimental design used was completely randomized design with two factors. The first factor was IBA concentrations (0 ppm, 200 ppm, 225 ppm, and 250 ppm) and the second factor was cow urine concentrations (0%, 15%, 20% and 25%). The results showed that IBA concentration did not affect all observed variables, except in live crop percentage at age 4 MST. A pepper cuttage treated with 20% cow urine has live percentage, percentage of cuttings rooted, root length at age, root number and number of shoots higher than those treated with other concentrations. The pepper cuttage treated with 0% cow urine yielded the percentage of cuttings sprouted at ages 4 and 10 MST, the shoot lengths at 6-8 MST were better than those given higher concentrations of cow urine. Key word: percentage of rooted cuttage
PERTUMBUHAN, PRODUKSI DAN KUALITAS BAYAM (Amaranthus tricolor L.) PADA BERBAGAI DOSIS PUPUK KANDANG AYAM DAN KALIUM NIITRAT (KNO3) Dwi Zuryanti; Arifah Rahayu; Nur Rochman
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (507.145 KB) | DOI: 10.30997/jag.v2i2.995

Abstract

The study was aimed at assessing the growth, production, and quality of spinach (Amaranthus tricolor L.) given various rates of chicken manure and potassium nitrate (KNO3). A completely randomized design with two factors was used. The first factor was levels of chicken manure, namely 0 g, 50 g, 100 g, and 150 g per polybag. The second factor was levels of potassium nitrate (KNO3) fertilizer, namely 0 g, 0.25 g, 0.5 g, and 0.75 g per polybag.  Results showed that chicken manure application significantly affected plant height on 14 days after planting (DAP) and number of leaves on 14 and 21 DAP. Potassium nitrate application  gave significant effects on number of leaves on 21 DAP. Chlorophyl content of spinach leaves given by 150 g chicken manure per polybag increase at low dosage of KNO3 (0.25 g per polybag). Combination treatment of 150 g chicken manure and 0.75 g KNO3 fertilizer per polybag gave better effects on biomass fresh weight, shoot dry weight, and  root dry weight than other treatment combinations.Key words: number of leaves, biomass fresh weight, chlorophyll content
PENGARUH KEMIRINGAN PIPA PADA HIDROPONIK SISTEM NFT TERHADAP PERTUMBUHAN DAN PRODUKSI SELADA (Lactuca sativa L.) Rizky Nurrizal Maulido; Octavianus Lumban Tobing; Sjarif Avitidjadi Adimihardja
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (769.192 KB) | DOI: 10.30997/jag.v2i2.939

Abstract

Effect of Pipe Slope on Growth and Production of Lettuce (Lactuca sativa L.) in NFT Hydroponic SystemABSTRACT            This research was aimed to study the effects of pipe slope on the  growth and production of three lettuce variety in NFT (nutrient film technique) system. A split plot completely randomized design was used with pipe slope levels, namely 6%, 9 %, and 12% as the main plot and cultivar (New Red Fire, Express  and Kribo) as the sub plot. Results showed that pipe slope levels were not affected all of the variables.  Meanwhile lettuce cultivar New Red Fire showed growth and production (number of leaf, leaf area, root lenght, shoot wet and dry weight crown,  root wet and dry weight,  biomass total dry wet) better than ‘Express’ and ‘Kribo’.Key words:  split plot, number of leaves, biomass total, NFT                                                              ABSTRAK             Penelitian ini bertujuan untuk mengetahui pengaruh tingkat kemiringan pipa pada sistem hidroponik NFTterhadap pertumbuhan dan produksi tiga varietas selada. Penelitian dilakukan dengan Rancangan acak lengkap pola Split Plot. Petak utama adalah tingkat kemiringan pipa (6 %, 9 %, dan 12 %), sedangkan anak petak adalah kultivar (New Red Fire,  Express dan Kribo). Hasil penelitian menujukkan bahwa tingkat kemiringan pipa tidak berpengaruh nyata terhadap semua peubah yang diamati. Sementara itu, selada kultivar New Red Fire menunjukkan pertumbuhan dan produksi (jumlah daun, luas daun, panjang akar, bobot basah pucuk, bobot basah akar, bobot basah total, bobot basah dan kering pucuk, bobot basah dan kering akar dan bobot kering brangkasan total lebih baik dibandingkan dengan kultivar Express dan Kribo.   Kata kunci: split plot, jumlah daun, NFT, brangkasan total

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