Jurnal Hortikultura
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    Pendugaan Umur Simpan Cabai Giling Menggunakan Metode Accelerated Shelf Life Testing dengan Pendekatan Arrhenius (Estimation of Shelf Life Ground Chillies Using Accelerated Shelf Life Testing Method with Arrhenius Approach)

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    Untuk memperpanjang masa simpan cabai giling yang diperdagangkan, perlu dilakukan pengemasan sebaik mungkin sehingga tidak terkontaminasi mikroba. Di samping itu diperlukan informasi masa simpan untuk menjamin bahwa cabai giling sampai di tangan konsumen belum mengalami kerusakan dan masih layak dikonsumsi. Salah satu cara untuk menduga umur simpan secara cepat adalah dengan metode Accelerated Shelf Life Testing (ASLT), melalui pendekatan Arrhenius. Penelitian bertujuan menduga umur simpan cabai giling melalui pendekatan Arrhenius. Penelitian dilaksanakan di Laboratorium Pascapanen BPTP Sumatra Barat pada bulan Mei sampai dengan Oktober 2018. Penyimpanan dilakukan menggunakan kemasan botol plastik Polyethylene Terephthalate (PET) dan kantong plastik PP 0,8 mm pada suhu 3ºC, 29ºC, dan 35ºC. Hasil penelitian menunjukkan bahwa reaksi kinetika penurunan mutu cabai giling mengikuti ordo satu. Pendugaan umur simpan paling lama diperoleh pada perlakuan pemanasan cabai giling selama 25 menit kemudian dikemas dengan botol PET, disimpan pada suhu 3°C, yaitu 211,41 hari, dengan model matematika penurunan mutu Lnk =14,883-7154,67(1/T). Jika disimpan pada suhu 29˚C dan 35˚C masing-masing umur simpan hanya 53,26 hari dan 27,21 hari.KeywordsUmur simpan; Pengolahan; Cabai gilingAbstractTo extend the shelf life of traded ground chilies, good packaging is necessary in order not to be contaminated by microbes. In addition, information on shelf life is needed to ensure that the ground chillies that arrive at consumers have not been damaged and are still fit for consumption. One way to quickly estimate shelf life is by using the Accelerated Shelf Life Testing (ASLT) method, through the Arrhenius approach. The research aimed to estimate the shelf life of ground chillies through the Arrhenius approach. The research was conducted at the Postharvest Laboratory of BPTP West Sumatra from May to October 2018. Storage was carried out using Polyethylene Terephthalate (PET) plastic bottles and 0.8 mm PP plastic bags at temperatures of 3ºC, 29ºC, and 35ºC. The results showed that the reaction kinetics of quality deterioration of ground chillies followed order 1. The longest estimated shelf life was obtained in the heating treatment of ground chilies for 25 minutes then packed with PET bottles, stored at 3°C, that is 211.41 days, with a mathematical model of quality degradation Lnk = 14.883-7154.67 (1/T). If stored at 29oC and 35oC, the shelf life is only 53.26 days and 27.21 days, respectively

    Pengaruh Jenis Eksplan dan Asam Amino pada Inisiasi dan Proliferasi Kalus Embriogenik Phalaenopsis Var. ‘Raiza Agrihorti’

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    (The Effect of Explant Types and Amino Acids on Embryogenic Callus Initiation and Proliferation of Phalaenopsis Var. ‘Raiza Agrihorti’)Penyiapan kalus embriogenik (KE) yang optimal memiliki peranan penting dalam menghasilkan benih bermutu Phalaenopsis skala komersial. Kendala utama yang dihadapi ialah inisiasi dan proliferasi KE yang masih rendah, serta akumulasi fenolik yang tinggi. Penelitian dilakukan di Laboratorium Kultur Jaringan Balithi dari Agustus 2019 hingga Juli 2020. Penelitian menggunakan Rancangan Acak Kelompok (RAK) pola split plot dan faktorial dengan lima ulangan. Percobaan-1: jenis eksplan (pucuk, pangkal, dan daun plantlet) sebagai petak utama dan perlakuan asam amino (tanpa asam amino, L-Proline, L-Glutamine, L-Cysteine, dan Casein-Hydrolisate) dengan konsentrasi 150 mg/l pada medium PC1 (1/2 MS + 1,0 mg/l TDZ + 0,5 mg/l BAP + 20 g/l sukrosa) sebagai anak petak. Percobaan-2: faktor-1 ialah jenis asam amino (L-Proline, L-Cysteine; L-Glutamine, dan Casein-Hydrolisate) dan faktor-2 ialah konsentrasi asam amino (0, 75, 150, 225, dan 300 mg/l). Hasil penelitian menunjukkan bahwa inisiasi KE Phalaenopsis var. ‘Raiza Agrihorti’ terbaik didapatkan dari pangkal plantlet dan 150 mg/l L-Glutamine dengan waktu inisiasi 18,3-24,0 hari, 80-100% pembentukan KE, dan ukuran KE 0,4-0,5 cm3. Proliferasi KE terbaik ditemukan pada L-Glutamine dengan konsentrasi 150 mg/l. Proliferasi KE mencapai 100% dengan penambahan berat segar sebesar 0,39 g, tingkat multiplikasi (MR) 4,55 kali dan pencokelatan 4,0%. Hasil penelitian ini berpotensi tinggi untuk diterapkan pada kultur starter Phalaenopsis hibrida lain.KeywordsPhalaenopsis hibrid; Asam amino; Inisiasi; Kalus embriogenik; ProliferasiAbstractSetup of the optimum Phalaenopsis embryogenic callus (EC) is an important role in producing qualified-seedlings of Phalaenopsis in commercial scale. The main constraints that are still being faced are the low rate of culture proliferation and high phenolic accumulations. The research was carried out at the Tissue Culture Laboratory-Indonesian Ornamental Plants Research Institite, from August 2019 through July 2020. The split plot and factorial designs were arranged using a Randomized Completely Block Design (RCBD) with five replications. Experiment-1: explants type (shoot tip, basal part, and leaf of plantlet) was used as main plot and amino acids (amino acids free, L-Proline, L-Glutamine, L-Cysteine, and Casein-Hydrolisate) with 150 mg/l concentration on medium PC1 (1/2 MS + 1,0 mg/l TDZ + 0,5 mg/l BAP + 20 g/l sukrosa) as subplot. Experiment-2: the first factor was amino acids type (L-Proline, L-Cysteine; L-Glutamine, and Casein-Hydrolisate) and the second factor was amino acids concentration (0, 75, 150, 225, and 300 mg/l). Results of the studies revealed that the best EC initiation of Phalaenopsis var. ‘Raiza Agrihorti’ was produced by basal part of plantlet and PC1 medium containing 150 mg/l L-Glutamine with EC Initiation time was 18.3-24.0 days, 80-100% of EC formation and size of 0.4-0.5 cm3. The best proliferation of EC was found in L-Glutamine with 150 mg/l concentration. EC proliferation reached 100% with 4.55 EC multiplication rate, 0.39 g EC fresh weight added, and EC browning as low as 4.0%. The established method is high possibly applied for other Phalaenopsis hybrids

    Morphological Variability of Mangosteen in Bengkulu Province (Variabilitas Morfologi Manggis di Provinsi Bengkulu)

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    Mangosteen is a genetic resource scattered and cultivated by farmers in Bengkulu Province. The study aimed at determining the morphological variability of mangosteen. The study was conducted from March to October 2015 in Bengkulu province using on-site supervision and observation methods. The number of plants observed was 34 genotypes and qualitatively and quantitatively characterized based on the Center for Plant Variety Protection and Agriculture Licensing (CPVPAL) guide. The data of morphology were analyzed by comparing the average value, variance, and standard deviation. Relationship or data grouping phenotypic characters appearance were identified using NTSYS software version 2.1. The results show wide variability in the density of leaf, flower size, and fruit weight, while narrow variability is occurred in plant height and the thickness of the rind. Data analysis of mangosteen genotypes generated similarity coefficients range from 0.71 to 0.91 (71-91%). Genotype 24 and 27 have the closest relationship, with the similarity coefficient of 91%.KeywordsMangosteen; Morphology; Variability; Character; PhenotypicAbstractManggis merupakan sumber daya genetik yang tersebar dan dibudidayakan oleh petani di Provinsi Bengkulu. Penelitian bertujuan untuk mengetahui variabilitas fenotipik buah manggis. Penelitian dilaksanakan pada bulan Maret sampai Oktober 2015 di Provinsi Bengkulu dengan menggunakan metode observasi langsung morfologi tanaman manggis yang telah berbuah. Jumlah tanaman yang diamati sebanyak 34 genotipe dan masing-masing genotipe diamati karakterisasi kualitatif dan kuantitatif berdasarkan panduan Pusat Perlindungan Varietas Tanaman dan Perizinan Pertanian (PPVTPP). Analisis data melalui perbandingan varian fenotipik dengan standar deviasi varian fenotipe diukur dengan nilai rata-rata, varians, dan standar deviasi. Kekerabatan atau pengelompokan data penampilan karakter fenotipik dilakukan dengan menggunakan software NTSys versi 2.1. Hasil penelitian menunjukkan bahwa variabilitas luas terdapat pada kerapatan daun, ukuran bunga, dan bobot buah, sedangkan variabilitas sempit pada karakter tinggi tanaman dan  ketebalan kulit buah. Analisis genotipe manggis menghasilkan koefisien kemiripan sebesar 0,71-0,91 (71-91%). Dari dendogram diperoleh genotipe yang memiliki tingkat kekerabatan yang tinggi terdapat pada genotipe 24 dan 27 dengan nilai kemiripan sebesar 91%

    Back Mather

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    Kloning Gen Coat Protein (CP) Carnation Mottle Virus (CarMV) pada Vektor Ekspresi [Cloning of Carnation Mottle Virus (CarMV) Coat Protein Gene into Expression Vector]

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    Carnation mottle virus (CarMV) termasuk anggota genus Carmovirus dalam famili Tombusviridae. Virus ini banyak ditemukan menginfeksi tanaman anyelir di Jawa Barat dan menyebabkan gejala mottle. Sebagai langkah awal untuk memproduksi antiserum melalui teknik ekspresi gen CP perlu diklon pada vektor yang sesuai. Penelitian ini bertujuan mendapatkan klon CarMV yang berfungsi melalui kloning dan subkloning gen CP CarMV ke dalam vektor ekspresi yang sesuai. Penelitian dilakukan dalam beberapa tahap, yaitu ekstraksi RNA total dan amplifikasi cDNA CarMV dengan RT-PCR, menggunakan primer spesifik CarMVF dan CarMVR yang mengandung situs enzim restriksi XhoI dan BamHI, kloning dan subkloning DNA sisipan, serta konfirmasi transforman. Rekombinan gen sisipan CP CarMV dalam bakteri dikonfirmasi dengan koloni PCR. Gen CP CarMV berhasil dikloning ke dalam TA vektor pTZ57R/T dan disubkloning ke vektor ekspresi pET28a. Sekuen rekombinan CP CarMV berhasil dikonfirmasi melalui perunutan DNA. Penelitian lebih lanjut diperlukan untuk mendapatkan produksi antigen rekombinan yang melimpah pada bakteri ekspresi dan kondisi yang sesuai.KeywordsDianthus caryophillus L.; Carmovirus; Kloning; Subkloning; Bakteri ekspresiAbstractCarnation mottle virus (CarMV) is a type member of Carmovirus genus in family of Tombusvirus. The virus infects carnation plants in the centre area production of West Java and it cause mottle symptoms. The research aimed to obtain functional clone(s) of CarMV CP gene in suitable expression kloning vector. The research was carried out through several steps, namely total RNA extraction and amplification of cDNA of CP CarMV by RT-PCR using specific primer pairs CarMVF and CarMVR containing restriction enzyme sites XhoI and BamHI, respectively, TA cloning, and subcloning into expression vector pET28a and confirmation of recombinant plasmids by colony PCR. CarMV CP gen was successfully cloned into TA cloning vector pTZ57R/T and subcloned into vector pET28a, alsowere confirmed by DNA sequencing. Future experiment is necessary to be conducted to obtain abundance recombinant antigen production of CarMV CP in suitable expression condition and bacterial host

    Kelayakan finansial teknologi produksi benih bawang merah asal biji botani (True Seed of Shallot = TSS) (Financial feasibility of True Seed of Shallot seed production technology)

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    Penelitian dilaksanakan di Kebun Percobaan Margahayu, Balai Penelitian Tanaman Sayuran pada Maret-November 2018. Tujuan penelitian adalah mengestimasi kelayakan finansial teknologi produksi benih bawang merah TSS (True Seed of Shallot). Percobaan lapangan produksi benih dilakukan untuk luasan 1.500 m2. Keragaan usahatani dievaluasi melalui analisis anggaran usaha berdasarkan pencatatan usahatani. Sementara itu, kelayakan finansial dianalisis menggunakan NPV (Net Present Value), IRR (Internal Rate of Return),  B/C ratio (Benefit Cost Ratio) dan PBP (Pay Back Period). Hasil analisis anggaran menghasilkan indikator keragaan produksi benih sebagai berikut: (a) biaya produksi Rp. 255.320.280/hektar, (b) rasio penerimaan-biaya 1,49, (c) titik impas produksi 102 kg/hektar, dan (d) titik impas harga Rp. 1.789.628/kg. Analisis finansial berdasarkan parameter: periode proyeksi 3 tahun; aliran kas 12 bulan; suku bunga 18%/tahun; proporsi modal 40% (sendiri)  dan 60% (kredit); luas lahan 1 hektar; produktivitas 150 kg/ha; dan harga output Rp. 2.500.000/kg menghasilkan NPV = Rp. -108.564.638 (<0), IRR = sampai tingkat bunga 2% masih menunjukkan besaran NPV yang negatif (<18%), Net B/C Ratio = 0,62 (< 1), dan PBP = 1,5 tahun (< 3 tahun). Berbagai kriteria tersebut mengindikasikan bahwa usahatani produksi benih TSS belum dapat dikategorikan layak secara finansial. Analisis sensitivitas menunjuk-kan bahwa kelayakan finansial baru tercapai jika terjadi pengurangan biaya produksi minimal 22%. Kelayakan finansial juga dapat dicapai jika terjadi minimal 15% peningkatan produktivitas atau 15% peningkatan harga benih. Penelitian ini menyarankan studi lebih lanjut untuk mengidentifikasi agroekosistem produksi paling ideal berpotensi produktivitas optimal, serta memperbaiki teknologi produksi benih TSS berorientasi peningkatan produktivitas dan efisiensi penggunaan input. Keywordsproduksi benih; benih biji botani bawang; analisis anggaran;  kelayakan finansialAbstractA trial of 1,500 m2 seed production was conducted in the Indonesian Vegetable Research Institute during March-November 2018. The objective was to assess the financial feasibility of True Seed of Shallot (TSS) seed production technology. Farm performance was assessed by using enterprise budget, NPV (Net Present Value), IRR (Internal Rate of Return), B/C ratio (Benefit Cost Ratio), and PBP (Pay Back Period). Budget analysis results in (a) production costs of IDR 255,320,280/ ha, (b) revenue-cost ratio of 1.49, (c) 102 kg/ha yield break-even-point, and (d) IDR 1,789,628/kg price break-even-point. Meanwhile, financial analysis based on some predetermined parameters has provided NPV = IDR -108,564,638 (<0), IRR = up to 2% interest rate still shows negative NPV value (<18%), Net B/C Ratio = 0.62 (<1), and PBP = 1.5 years (<3 years). Those criteria suggest that TSS seed production business is not yet categorized as financially feasible. Sensitivity analysis shows that financial feasibility may be achieved if there is minimally 22% reduced cost of production, or 15% increased yield, or 15% increased seed price. Further studies on identifying the most ideal agro-ecosystem with optimal yield potential, and improving TSS technology with an orientation to increasing yield and input-use efficiency are recommended

    Pengaruh Aplikasi Vermikompos terhadap Pertumbuhan, Kandungan Hara serta Hasil Tanaman Selada Hijau (Lactuca sativa L.) pada Budidaya Tanpa Tanah [Effect of Vermicompost Application on Growth, Nutrient Uptake, and Yield of Green Lettuce (Lactuca sativ)]

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    Budidaya tanpa tanah pada dekade terakhir ini semakin berkembang seiring dengan munculnya beberapa permasalahan budidaya tanaman konvensional di lahan pertanian. Tujuan penelitian ini adalah menguji pengaruh aplikasi vermikompos padat dan cair terhadap pertumbuhan, kandungan hara, dan hasil tanaman selada hijau dengan jumlah tanaman per pot yang berbeda. Penelitian ini merupakan percobaan pot di rumah plastik yang menggunakan kultur substrat campuran cocopeat, zeolit, pasir dan vermikompos sebagai sumber nutrisi. Percobaan ini menggunakan Rancangan Acak Kelompok Faktorial. Faktor I adalah macam aplikasi vermikompos (padat, padat+cair,dan cair) dan Faktor II adalah jumlah tanaman per pot (satu, dua, dan tiga tanaman per pot). Hasil penelitian menunjukkan bahwa aplikasi vermikompos padat memberikan pertumbuhan tinggi tanaman (22,73 cm), jumlah daun (8,81), dan luas daun tanaman (974,76 cm2) tertinggi. Kandungan hara tertinggi terdapat pada aplikasi vermikompos padat dengan rata-rata masing-masing sebesar N= 4,39%, P=0,77% dan K=9,07%. Penanaman tiga tanaman per pot cenderung memberikan kandungan hara terendah pada ketiga metode aplikasi vermikompos. Namun, bobot segar biomassa dan hasil ekonomis tertinggi diperoleh pada aplikasi vermikompos padat dengan tiga tanaman per pot masing-masing sebesar 122,22 g dan 111,77 g. Hasil ini menunjukkan bahwa aplikasi vermikompos padat dan tiga tanaman per pot dapat disarankan untuk budidaya tanpa tanah tanaman selada hijau.KeywordsVermikompos; Pertumbuhan; Serapan hara; Hasil tanaman seladaAbstractThis study was a pot experiment in a plastic house using substrates culture and vermicompost as a source of plant nutrients. The purpose of this study was to test the effect of the application of vermicompost on growth, nutrient content and yield of green lettuce with different number of plants per pot. This experiment used a factorial randomized block design. The first factor was kinds of vermicompost application. The second factor was number of plant per pot. The research results showed that the application of solid vermicompost had the highest growth and nutrient uptake in plant height (22.73 cm), number of leaves (8.81) and leaf area (974.76 cm2) as well as an average of N = 4.39%, P = 0.77% and K = 9.07%. The treatments of solid+liquid vermicompost and liquid vermicompost alone, three plants per pot tend to provide the lowest nutrient uptake. However, the highest fresh weight of biomass and marketable yield was obtained in the application of solid vermicompost with three plants per pot by 122.22g and 111.77g, respectively. These results suggest that the application of solid vermicompost and three plants per pot is recommended in soilless culture for green lettuce plants

    Studi Rantai Pasok Bahan Baku Keripik Kentang Industri Rumah Tangga di Jawa Barat (Supply Chain Study of Raw Material for Household Industry’s Potato Chips in West Java)

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    Salah satu faktor utama yang dapat menjaga keberlanjutan dan kontinuitas produksi industri pengolahan pertanian adalah ketersediaan pasokan bahan baku. Penelitian ini bertujuan mengidentifikasi karakteristik industri dan merancang upaya perbaikan rantai pasok bahan baku keripik kentang industri rumah tangga di Jawa Barat. Penelitian dilaksanakan di Garut dan Pangalengan, Jawa Barat pada bulan Agustus 2016. Pengumpulan data dilakukan melalui metode survey dan focus group discussion (FGD). Survey dilaksanakan melalui wawancara 19 responden prosesor keripik kentang skala rumah tangga. Focus group discussion diarahkan untuk mengelaborasi kondisi aktual dan potensi perbaikan rantai pasok bahan baku keripik kentang. Alat analisis yang digunakan adalah statistika deskriptif, analisis strengths, weaknesses, opportunities, and threats (SWOT,) matriks strategic position and action evaluation matrix (SPACE), dan analisis quantitative strategis planning matrix (QSPM). Hasil penelitian menunjukkan bahwa rata-rata pasokan bahan baku per industri adalah 2,8 ton per bulan. Sistem pembelian bahan baku adalah spot market. Kapasitas produksi keripik kentang per bulan berkisar antara 15–540 kg (84,2%). Spesifikasi bahan baku masih belum terstandarisasi dan bersifat ekstrinsik kualitatif. Analisis SWOT dan pemetaan faktor-faktor eksternal-internal menunjukkan bahwa perbaikan rantai pasok dapat ditempuh dengan menggunakan strategi agresif. Penyusunan prioritas strategi melalui analisis QSPM menyarankan agar strategi promosi masif varietas alternatif kentang prosesing non-Atlantik (termasuk Median) dan kemudahan akses petani terhadap benihnya, serta strategi perbaikan sistem pembelian bahan baku dapat diimplementasikan secara simultan.KeywordsKeripik kentang; Industri rumah tangga; Rantai pasok bahan baku; Analisis kekuatan-kelemahan-peluang-ancamanAbstractOne important factor that could maintain production sustainability of agro-processing industry is the availability of raw material. The study was aimed at examining potato chips household industry characteristics and designing strategies to improve the raw material supply chain in West Java. The study was conducted in Garut and Pangalengan in August 2016. Data collection was carried out through survey of 19 household industries. Meanwhile, FGD involving relevant participants was conducted to elaborate household industries’ existing conditions and potentials for improvements. The analytical tools used were descriptive statistics, analysis strengths, weaknesses, opportunities, and threats (SWOT),  strategic position and action evaluation (SPACE) matrix, and quantitative strategic planning matrix (QSPM) analysis. The results showed that the industry was characterized by average raw material demand of 2.8 tons/firm/month, spot market purchasing system, and production capacity of 15–540 kg/month. SWOT analysis and mapping in SPACE demonstrate that the improvement of raw material supply chain is best pursued by employing aggressive strategy.  Priority setting by QSPM suggests that the strategy of promoting massively non-Atlantic potato processing varieties (included Median) by also increasing farmers’ seed access, and improving potato chips raw material procurement systems should be implemented simultaneously

    Aplikasi Zat Pengatur Tumbuh dengan Jumlah Daun Entres yang Berbeda terhadap Keberhasilan Sambung Pucuk Durian (Application of Plant Growth Regulator with Different Number of Scion Leaves on Success of Durian Top Grafting)

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    Perbanyakan tanaman secara vegetatif menggunakan teknik sambung pucuk dapat digunakan sebagai alternatif untuk menghasilkan benih yang bermutu. Namun, masalah yang sering terjadi pada sambung pucuk adalah kegagalan sambung. Penelitian ini bertujuan untuk mendapatkan jenis zat pengatur tumbuh, jumlah daun entres, dan kombinasi perlakuan yang memberikan hasil terbaik terhadap keberhasilan sambung pucuk durian. Penelitian dilaksanakan pada bulan November 2018 sampai Januari 2019 di Desa Alasmalang, Kemranjen, Banyumas. Percobaan yang dilakukan merupakan percobaan pot dengan rancangan faktorial. Perlakuan pada penelitian ini adalah kombinasi antara zat pengatur tumbuh (kontrol, ekstrak tauge, air kelapa, IBA, dan BAP) dan jumlah daun entres (2, 4, dan 6 helai). Rancangan penelitian yang digunakan yaitu Rancangan Acak Kelompok Lengkap dengan 15 perlakuan dan diulang tiga kali. Hasil penelitian menunjukkan perlakuan ZPT IBA dan BAP memberikan pengaruh nyata terhadap jumlah tunas sambung pucuk tanaman durian, yaitu sebesar 2,711 dan 2,822 dan perlakuan jumlah daun entres dua helai memberikan pengaruh yang nyata terhadap waktu pecah tunas, jumlah tunas, dan pertambahan jumlah daun sambung pucuk tanaman durian, yaitu sebesar 2,3 helai.KeywordsSambung pucuk durian; Daun entres; Zat pengatur tumbuhAbstractVegetative propagation of plants using shoot grafting can be used as an alternative to produce quality seeds. The problem that often occours in top grafting is the failure to graft. This experiment aims to obtain the type of plant growth regulator, the number of scion’s leaves, and the combination that give the best results for growth of top grafting in durian. The research was conducted in November 2018 to January 2019 in Alasmalang Village, Kemranjen, Banyumas. The experiment was a pot experiment with a factorial design. The treatment was a combination of growth regulator (control, bean extract, coconut water, IBA, and BAP) and number of scion leaves (2, 4, and 6 strands). The research design used was a RCBD with 15 treatments and three replications. The results showed that the treatment of PGR IBA and BAP had a significant effect on the number of grafted shoots of durian plants, namely 2.711 and 2.822 and the treatment of the number of leaves of two leaves had a significant effect on shoot break time, the number of shoots and the increase in the number of grafted leaves of durian plants, namely amounting to 2.3 strands

    Produksi, Karakteristik Fisik, dan Organoleptik Varietas Unggul Spesifik Lokasi “Srikayang” Daerah Istimewa Yogyakarta

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    (Production, Physical, and Organoleptic Characteristics of Superior Varieties Specific Location “Srikayang” Special Region of Yogyakarta)Bawang merah merupakan salah satu komoditas unggulan hortikultura semusim yang sejak lama telah diusahakan oleh petani secara intensif di Kabupaten Kulon Progo. Tujuan penelitian ini adalah mengetahui produksi, karakteristik fisik, dan organoleptik bawang merah lokal Kabupaten Kulon Progo, yaitu varietas Srikayang. Penelitian ini menggunakan Rancangan Acak Kelompok Lengkap (RAKL) dengan lima ulangan. Hasil penelitian menunjukkan bahwa varietas lokal Srikayang memiliki keunggulan dibanding varietas eksisting lainnya, yaitu Tajuk, Bima, dan Siem. Hasil ubinan tertinggi varietas Srikayang 10,63 ton/ha. Varietas Srikayang memiliki, berat umbi 5,47 g sedangkan Tajuk 3,65 g, Bima 5,69 g, dan Siem 4,14 g. Jumlah umbi per rumpun verietas Srikayang lebih banyak dibanding varietas lain, yaitu 9,82 g, Tajuk 8,37 g, Bima 6,78 g, dan Siem 9,37 g. Hasil uji statistik menunjukkan bahwa varietas Siem dan Srikayang tidak berbeda nyata. Jumlah umbi per rumpun tertinggi varietas Srikayang 50,03 g. Kecerahan umbi varietas Srikayang tertinggi sebesar 43,74 dibanding varietas lainnya. Dari hasil penelitian dapat disimpulkan bahwa varietas lokal Srikayang layak dibudidayakan karena memiliki keunggulan dibanding varietas lain (Tajuk, Bima, dan Siem).KeywordsKarakteristik fisik; Organoleptik; Srikayang; Varietas lokalAbstract Shallot is one of the leading commodities of horticultural crops that have long been cultivated by farmers intensively at Kulon Progo Regency since long time. The aim of research was to know the production, physical and organoleptic characteristics of local shallot at Kulon Progo Regency, namely Srikayang variety. The experimental design used Completely Randomized Block Design (CRBD) with five replications. The results showed that local variety of Srikayang have advantages compared to other existing varieties namely Tajuk, Bima, and Siem. Srikayang variety hads a weight tuber of 5.47 g, while Tajuk 3.65 g; Bima 5.69 g; and Siem 4.14 g. Total of tubers per clump Srikayang more than other varieties that was 9.82 Tajuk; 8.37, Bima, 6.78 and Siem 9.37. The results of statistical analysis show that Siem and Srikayang were not significantly different. Srikayang had highest of total of bulb was 50.03 g and yield was 10.63 tonnes/ha. The brightness of Srikayang was the highest 43.74 compared to other varieties. Srikayang variety had the highest panelist acceptance value of 3.33 means that this variety was favored based on the result of organoleptic test. From the result of research it can be concluded that Srikayang decent cultivated because it hads moreadvantages compared to other varieties (Tajuk, Bima, and Siem)

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