scholarly journals Pemanfaatan Kulit Biji Hanjeli (Coix lacryma-jobi L.) sebagai Pupuk Silika Organik terhadap Pertumbuhan, Serapan P dan Si, serta Hasil Hanjeli pada Inceptisol Jatinangor

Agrikultura ◽  
2017 ◽  
Vol 28 (3) ◽  
Author(s):  
Zaenal Mutaqin ◽  
Anni Yuniarti ◽  
Tati Nurmala ◽  
Eso Solihin
Keyword(s):  
Sea Level ◽  
Plant Uptake ◽  
Colloidal Silica ◽  
Block Design ◽  
Nano Silica ◽  
West Java ◽  
Fertilizer Plant ◽  
Experimental Station ◽  
Randomized Block Design ◽  
Organic Silica

ABSTRACTUtilization of hanjeli seed skin as organic silica fertilizer in influencing the growth, P and Si absorption, and yield of hanjeli (Coix lacryma-jobi L.)This experiment was conducted to determine the effect of hanjeli seed shell as organic silica fertilizer on plant uptake and hanjeli pulut (Coix lacryma-jobi L.) yield on Inceptisol. The experiment was conducted in Experimental Station of Agriculture Faculty of Universitas Padjadjaran, Jatinangor, Sumedang Regency, West Java Province. The research was carried out in the altitude of 822 meters above sea level (asl) from May 2017 to October 2017. The method used was a Randomized Block Design (RBD) consisting of ten treatments with three replications, i.e. control, NPK standard, NPK + ¼ silica emulsion, NPK + ½ silica emulsion, NPK + ¾ silica emulsion, NPK + 1 emulsion of ash silica, NPK + ¼ nano colloidal silica, NPK + ½ nano colloidal silica, NPK + ¾ nano colloidal silica, and NPK + 1 nano colloidal silica. The results showed that the application of silica fertilizer influenced the absorption and the yield of hanjeli plant. The treatment of NPK + 1 colloidal nano silica gave the highest hanjeli yield of 210.63 g/plant.Keywords: Hanjeli seed skin, Organic silica fertilizer, Plant absorption, YieldABSTRAKPercobaan ini dilakukan untuk mengetahui pengaruh pemberian kulit biji hanjeli sebagai pupuk silika organik terhadap pertumbuhan, serapan tanaman, dan hasil hanjeli pulut (Coix lacryma-jobi L.) pada Inceptisol. Percobaan dilaksanakan di Kebun Percobaan Fakultas Pertanian, Universitas Padjadjaran, Jatinangor, Kabupaten Sumedang, Provinsi Jawa Barat. Lokasi penelitian berada pada ketinggian 822 meter di atas permukaan laut (dpl) pada bulan Mei 2017 sampai dengan Oktober 2017. Metode yang digunakan adalah Rancangan Acak Kelompok (RAK) yang terdiri dari sepuluh perlakuan dengan tiga kali ulangan yaitu kontrol, NPK standar, NPK + ¼ emulsi abu silika, NPK + ½ emulsi abu silika, NPK + ¾ emulsi abu silika, NPK + 1 emulsi abu silika, NPK + ¼ nano koloid silika, NPK + ½ nano koloid silika, NPK + ¾ nano koloid silika, serta NPK + 1 nano koloid silika. Hasil penelitian menunjukkan bahwa terdapat pengaruh pemberian pupuk silika organik terhadap serapan P, Si tanaman dan hasil hanjeli. Perlakuan NPK + 1 nano koloid silika memberikan Serapan P, Si tanaman serta hasil hanjeli tertinggi dengan nilai masing-masing sebesar 0,61 g/tanaman, 7,56 g/tanaman, dan 210,63 g/tanaman.Kata Kunci: Kulit biji hanjeli, Pupuk Silika Organik, Serapan dan Hasil Hanjeli

scholarly journals APLIKASI PUPUK SI ORGANIK DENGAN PUPUK N,P,K DALAM MENINGKATKAN P DAN SI TANAH PADA INCEPTISOL JATINANAGOR TERHADAP RESPON TANAMAN HANJELI (Coix lacryma Jobi L.)

Agric ◽  
2018 ◽  
Vol 30 (1) ◽  
pp. 51-56
Author(s):  
Eso Solihin ◽  
Anni Yuniarti ◽  
Apong Sandrawati ◽  
Zaenal Mutaqin
Keyword(s):  
Plant Growth ◽  
Plant Height ◽  
Colloidal Silica ◽  
Block Design ◽  
Nano Silica ◽  
Soil P ◽  
Randomized Block Design ◽  
Job’S Tears ◽  
Organic Silica

The objective of this research was to determine the effect of combinations of N, P, K and organic silica fertilizers In Soil P and Si and growth Of Job’s Tears (Coix Lacryma Jobi L.). This research began on May 2017 to October 2017. This research has been done in experimental of Faculty Agricultural, Padjadjaran University Jatinangor. The experiment was in Randomized Block Design (RCBD) consisting of ten treatments with three replications; (A) Control, (B) NPK standard, (C) NPK + ¼ Silica Emulsion, (D) NPK + ½ Silica Emulsion, (E) NPK + ¾ Silica Emulsion, (F) NPK + 1 Emulsion of Ash Silica , (G) NPK + ¼ Nano Colloidal Silica, (H) NPK + ½ Nano Colloidal Silica, (I) NPK + ¾ Nano Colloidal Silica, (J) NPK + 1 Nano Colloidal Silica.  The results showed that there was effect of Si fertilizer on soil P and plant growth. Treatment (J) NPK + 1 Colloidal Nano Silica gives Hanjeli the highest yield 5 MST, 7 MST, 9 MST and 11 MST with plant height 3.58 cm, 10.58 cm, 17.17 cm and 18.00 cm

scholarly journals Stability and Adaptability Genotype of Hybrid Rice in the West Java Province of Indonesia

2019 ◽  
Vol 9 (2) ◽  
pp. 204-215
Author(s):  
Lia Amalia ◽  
Ai Komariah ◽  
Ilma Hilmayanti
Keyword(s):  
Grain Yield ◽  
Sea Level ◽  
Hybrid Rice ◽  
Block Design ◽  
The West ◽  
West Java ◽  
Randomized Block Design ◽  
The Stability

Experiments to study the stability and adaptability genotype of hybrid rice were conducted in two locations in West Java: 1. the Jelekong Village Baleendah Bandung region, 2. the Arjasari Village Leuwisari Tasikmalaya region. The altitude of the Baleendah Bandung region is 650 and that of the Leuwisari Tasikmalaya region is 450 meters above sea level. The experiments were arranged in a randomized block design and used with 9 genotypes and 3 replications. The 9 genotypes of hybrid rice are SW-907, SW-804, SW-902, US-915, SW-82, SW-923, Intani-2, SL 8 SHS, and SHS 04 WM. The result of the experiment showed that the whole genotypes A = SW-907, B = SW-804, C = SW-902, D = US-915, E = SW-82, F = SW- 923, G = WM 4 SHS, H = SL 8 SHS, and I = Intani 2 measured the height of the plants, the number of productive tillers, the length of the panicles, the number of grains per panicle, the number of filled grains per panicle, the weight of 1000 grains, and the grain yield per plot, and were unstable and unadaptive in Bandung and Tasikmalaya.

scholarly journals RESPON PERTUMBUHAN BIBIT CENGKEH (Syzgium aromaticum (L.) Merr dan Perry) KULTIVAR ZANZIBAR AKIBAT PUPUK NPK DAN PUPUK ORGANIK CAIR

2017 ◽  
Vol 4 (1) ◽  
pp. 59
Author(s):  
Yudi Yusdian ◽  
Ridwan Haris
Keyword(s):  
Leaf Area ◽  
Sea Level ◽  
Soil Type ◽  
Block Design ◽  
Organic Fertilizer ◽  
Dry Weight ◽  
Stem Height ◽  
West Java ◽  
Randomized Block Design ◽  
Npk Fertilizer

The objective of this research was to study the response on the growth of clove seedling cultivar Zanzibar as the result of using  NPK Phonska fertilizer dosage and liquid organic fertilizer  concentration and to find out the acurate dosage of  NPK Phonska and liquid organic fertilizer  “Getoe”. The experiment was conducted at Kampung Ciherang Desa Gunungtua Kecamatan Cijambe Kabupaten Subang, West Java. The altitude is about 600 m above sea level, the soil type is Ultisol (pH 5,4), the average of rainfall was 1622,10 mm/year and the type of rainfall is C according to Schmidt and Ferrguson (1951). The experiment from March 2014 until June 2014. The experiment was arranged in Randomized Block Design (RBD) consisted of  six treatments, i.e :  A (2,5 g NPK + 0 cc/L of water POC Getoe), B (1,5 g NPK + 2,5 cc/L of water POC Getoe), C (2,0 g NPK + 2 cc/L of water POC Getoe), D (2,5 g NPK + 1,5 cc/L of water POC Getoe), E (3,0 g NPK + 1,0 cc/L of water POC Getoe) and F (3,5 g NPK + 0,5 cc/L of water POC Getoe) and replicated six times respectively. The result of this research showed that combined 2,5 g NPK fertilizer and 1,5 cc Getoe liquid organic fertilizer  concentration  gave the better effect on stem height, leaves of number, leaf area, dry weight of plant and dry weight of root the clove seedling cultivar Zanzibar. 

scholarly journals Preliminary Selection on Yield of Three Way Cross QPM Hybrids in West Java-Indonesia

Zuriat ◽  
2015 ◽  
Vol 18 (2) ◽  
Author(s):  
D. Ruswandi ◽  
Dwi Wirawan ◽  
S. Ruswandi ◽  
F. Kasim ◽  
M. Rachmadi
Keyword(s):  
High Altitude ◽  
Nitrogen Fertilization ◽  
Seed Weight ◽  
Block Design ◽  
Homogeneity Test ◽  
University Faculty ◽  
West Java ◽  
Combined Analysis ◽  
Experimental Station ◽  
Randomized Block Design

Thirty-two TWC QPM hybrids were selected based on genotype × environment (G × E) interaction and stability. The experiment was conducted in three locations with differing conditions. TWC QPM hybrids were tested under nitrogen deficient and nitrogen sufficient fertilization at the Padjadjaran University Faculty of Agriculture Experimental Station, Jatinangor, Sumedang from March until July 2004. Another set of TWC QPM hybrids was tested under sufficient nitrogen fertilization at a high altitude location in Pangalengan from June until October 2004. Each experiment was arranged in a randomized block design with two replications with 32 TWC QPM hybrids and two check cultivars, i.e. Bisi-2 and Pioneer-7. Bartlett’s homogeneity test was applied to error derived from analyses of variances of every location. Combined analysis was done since error was homogenous for all observed characters. The combined analysis showed that there was G × E interaction for seed weight per 10 plants. Preliminary METs in West Java successfully selected newly developed TWC QPM hybrids based on stability and interaction between G × E. These hybrids are QPDMR-8-BCP1 and QPDMR-8-BCP2 for wide adaptive cultivars and QPDMR-35-BCP1, QPDMR-26-BCP1, QPDMR-8-BCP1, QPDMR-1-BCP2, QPDMR-8-BCP2, QPDMR-10-BCP2 and QPDMR-15-BCP2 specific adaptive cultivars.

scholarly journals PENINGKATAN PRODUKSI BENIH G0 KENTANG MELALUI MODIFIKASI TEKNOLOGI BUDIDAYA

2020 ◽  
Vol 3 (1) ◽  
pp. 518-528
Author(s):  
Kiki Kusyaeri Hamdani ◽  
Keyword(s):  
Sea Level ◽  
Potato Plant ◽  
Block Design ◽  
West Java ◽  
Randomized Block Design ◽  
Quality Potato ◽  
Cultivation Technology

Efforts to procure quality potato seeds are continuously being made, including using plantlet cuttings to produce G0 seeds. Several cultivation technologies can be used to increase the quality and quantity of G0 potato seeds. This study aims to increase the production of G0 potato seeds through modification of cultivation technology, namely planting media, number of cuttings, planting, and hood. The research was conducted from November 2017 to March 2018 in a plastic house in Lembang, West Bandung, West Java with an altitude of 1.200 m above sea level. The experiment used a completely randomized block design (RCBD) with eight treatments and ten replications. The variety used was Granola L. The results showed that the best modification of cultivation technology to increase the production of the number of tubers per G0 potato plant was a mixture of soil, manure, roasted husk (1: 1: 1) + heaping + 2 seeds + without hoods.

scholarly journals Kompatibilitas Lima Klon Unggul Kakao Sebagai Batang Atas dengan Batang Bawah Progeni Half-Sib Klon Sulawesi 01

2016 ◽  
Vol 3 (1) ◽  
pp. 29
Author(s):  
Dibyo Pranowo ◽  
Edi Wardiana
Keyword(s):  
Regression Analysis ◽  
Sea Level ◽  
Block Design ◽  
West Java ◽  
Correlation And Regression Analysis ◽  
Experimental Station ◽  
Total Percentage ◽  
Bud Sprouting ◽  
Propagation Technique

<em>Grafting is the most common cocoa propagation technique applied by farmers. One of the factors that determine the grafting success in cacao is the compatibility level between the scion and rootstock. The objectives of this research was to evaluate the grafting compatibility of half-sib family of Sulawesi 01 clone as rootstock with five superior cacao clones  i.e. Sulawesi 01, Sulawesi 02, Sca 6, MCC 01, and MCC 02 as scions. The research was conducted at Pakuwon Experimental Station, West Java, at the altitude of 450 m above sea level with Latosol type of soil and B type of climate (Schmidt &amp; Fergusson), from April to September 2015. This research used the randomized completely block design with five treatments of grafting combinations and five replications. Observation was taken at 14<sup>th</sup>, 21<sup>st</sup>, and 28<sup>th</sup> days after grafting on the total percentage of surviving graftings, percentage of sprouting grafting, percentage of grafting that have not sprouted, and bud sprouting rates.  Data were analyzed by variance, correlation, and regression analysis. The results showed that the surviving grafting, the sprouting grafting and the rate of sprouting up to the 28<sup>th</sup>  days after grafting varied among the scions. Based on the parameters observed, Sulawesi 01, Sulawesi 2, and Sca 6 demonstrated higher compatibility rate compared to </em><em>MCC 01</em> and <em>MCC 02</em>. <em>The results is applicable in seedling provision through grafting techniques in order to support cacao rejuvenation and or rehabilitation.</em>

scholarly journals The Effect of Phosphorous Fertilization on Indian Pennyworth (Centella asiatica L. Urban) in High Altitude

2012 ◽  
Vol 2 (1) ◽  
pp. 1
Author(s):  
Sandra Arifin Aziz ◽  
Munif Ghulamahdi ◽  
Andria Afrida
Keyword(s):  
High Altitude ◽  
Sea Level ◽  
Block Design ◽  
Centella Asiatica ◽  
Dry Weight ◽  
Leaf Length ◽  
Single Factor ◽  
Flower Number ◽  
Experimental Station ◽  
Randomized Block Design

<p>The experiment was conducted to determine the effect of phosphorous fertilization on growth and production of Indian pennyworth (Centella asiatica L. Urban) in the high altitude (1,500 m above sea level/asl). This experiment was carried out at Gunung Putri experimental station Balittro,Cipanas, Cianjur in October 2008 until April 2009. The treatment was laid-out in a Complete Randomized Block Design and consisted of single factor with 5 replications. The factor was P2O5 fertilization i.e. 0, 30, 60, 90, and 120 kg P2O5.ha-1. The results of the experiment showed that P2O5 fertilizer significantly increased the total leaf number, leaf length, the total flower number, leaf thickness of mother plant and production components at 6 month after planting. The highest production (1.34 ton dry weight.ha-1) was achieved by 60 kg P2O5.ha-1. The optimum dosage to improve dry weight production of Indian pennyworth in high altitude was 65.84 kg P2O5.ha-1.</p><p><br />Key words: Centella asiatica L., phosphorous fertilization, production</p>

scholarly journals Respons tanaman jagung (Zea mays L.) hibrida terhadap aplikasi paraquat pada lahan tanpa olah tanah (TOT)

Kultivasi ◽  
2018 ◽  
Vol 17 (3) ◽  
Author(s):  
Agus Wahyudin ◽  
Dedi Widayat ◽  
Fiky Yulianto Wicaksono ◽  
Aep Wawan Irwan ◽  
Abdulah Hafiz
Keyword(s):  
Zea Mays ◽  
Sea Level ◽  
Zea Mays L ◽  
Block Design ◽  
Growth And Yield ◽  
Zero Tillage ◽  
West Java ◽  
Land Preparation ◽  
Randomized Block Design ◽  
Maize Cultivation

Sari. Penelitian ini bertujuan untuk mempelajari pertumbuhan dan hasil tanaman jagung akibat persiapan lahan dengan menggunakan herbisida paraquat pada lahan tanpa olah tanah (TOT), serta memperoleh dosis yang tepat yang dapat digunakan dalam budidaya jagung untuk menggantikan olah tanah sempurna (OTS). Percobaan dilaksanakan di Kebun Percobaan Ciparanje Fakultas Pertanian Universitas Padjajaran, Jatinangor, Kabupaten Sumedang, Jawa Barat dengan ketinggian tempat ± 750 meter diatas permukaan laut  dan ordo tanah Inceptisol serta tipe curah hujan C3 menurut Oldeman (1975). Percobaan dilaksanakan dari bulan Mei 2017 hingga Agustus 2017.  Metode percobaan yang digunakan adalah Rancangan Acak Kelompok terdiri dari 6 perlakuan dan diulang sebanyak 4 kali. Perlakuannya adalah sebagai berikut : Perlakuan TOT + Herbisida Paraquat Diklorida Dosis 207g/L, TOT + Herbisida Paraquat Diklorida  Dosis 276g/L, TOT + Herbisida Paraquat Diklorida Dosis  345g/L, TOT + Herbisida Paraquat Diklorida Dosis  414g/L, TOT + Penyiangan Manual, dan  Kontrol (OTS). Hasil percobaan menunjukkan bahwa pemberian herbisida paraquat 414 g/L untuk persiapan lahan dengan TOT pada tanaman jagung  dapat menyamai OTS.Kata kunci : Paraquat , Persiapan lahan, Jagung, Tanpa olah tanah  Abstract. This study aims to determine growth and yield of maize caused by land preparation using paraquat herbicide at zero tillage, then find the best dosage of paraquat that can be replaced full tillage in maize cultivation. The experiment was conducted at the experimental field Ciparanje, Faculty of Agriculture, University of Padjadjaran, Jatinangor, Sumedang Regency, West Java at ± 750 meters above sea level, soil order was Inceptisols, the type of rainfall was C3 according Oldemann classification. The experiment conducted from May 2017 until August 2017. It used  randomized block design that consisted of 6 treatments and repeated four times. The treatments were: zero tillage + Paraquat Dicloride at the dosage 207g/L, zero tillage + Paraquat Dicloride at the dosage 276g/L, zero tillage + Paraquat Dicloride at the dosage 345g/L, zero tillage + Paraquat Dicloride at the dosage 414g/L, zero tillage +  weeding manual, and full tillage as control. The results of the experiments showed that application of paraquat 414 g/L can replace full tillage.Keyword : Land preparation, Paraquat, Maize, Zero tillage

scholarly journals Pertumbuhan dan Hasil Bawang Daun (Allium fistulosum L.) Varietas Linda Akibat Pemberian Pupuk Kandang Ayam dan Pupuk Urea

Jurnal Agro ◽  
10.15575/808 ◽  
2016 ◽  
Vol 3 (1) ◽  
pp. 20-24
Author(s):  
Yudi Yusdian ◽  
Merry Antralina ◽  
Ahmad Diki
Keyword(s):  
Sea Level ◽  
Plant Height ◽  
Research Method ◽  
Design Method ◽  
Block Design ◽  
Chicken Manure ◽  
Growth And Yield ◽  
Allium Fistulosum ◽  
West Java ◽  
Randomized Block Design

Penelitian ini bertujuan untuk mengetahui pengaruh kombinasi pupuk kandang ayam dan pupuk urea terhadap pertumbuhan dan hasil bawang daun. Penelitian dilaksanakan di kampung Legokkaso Desa Cinanggela Kecamatan Pacet Kabupaten Bandung Provinsi Jawa Barat. dengan jenis tanah Latosol dengan pH 5,7, terletak pada ketinggian 1.200 m di atas permukaan laut. Curah hujan 2.205 mm/tahun termasuk curah hujan tipe C3 (Oldeman, 1979). Percobaan dilaksanakan dari bulan Maret sampai dengan bulan Mei 2014. Metode penelitian yang digunakan adalah metode Rancangan Acak Kelompok (RAK) yang terdiri dari 6 perlakuan dan 4 ulangan. Perlakuan kombinasi pupuk kandang ayam dan pupuk urea adalah sebagai berikut: A (0g+2,2g), B (12g+2,0g), C (14g+1,8g), D (16g+1,6g), E (18g+1,4g), F (20g+0g).Hasil analisis menunjukkan bahwa pemberian dosis 16 g pupuk kandang ayam dan 1,6 g pupuk urea memberikan pengaruh yang lebih baik terhadap pertumbuhan tinggi tanaman, jumlah anakan,  dan hasil per tanaman bawang daun varietas Linda. This study aimed to determine the effect of chicken manure and urea dosage combination on the growth and yield of spring onions. The experiment was conducted in the Legokkaso Residential, Cinanggela Village, Pacet Subdistrict, Bandung Regency, of West Java Province. The soil was Latosol with pH 5.7, located at an altitude of 1,200 m above sea level. Rainfall was 2.205 mm/years including precipitation C3 type (Oldeman, 1979). The experiment was conducted from March to May 2014. The research method used was randomized block design method (RBD) consisting of 6 treatments and 4 replications. The treatment was combination of chicken manure and urea as follows: A (0g + 2,2g), B (12g + 2,0g), C (14g + 1,8g), D (16g + 1,6g), E (18g + 1,4g), F (20g + 0g). The result showed that dosage 16g of chicken manure and 1.6 g urea gave a better effect on the growth of plant height, number of tillers, yield of plant.

scholarly journals Respons klon ubi jalar (Ipomoea batatas L.) var. Awachy-1 dan var. Biang terhadap aplikasi paclobutrazol

Kultivasi ◽  
2019 ◽  
Vol 18 (3) ◽  
Author(s):  
Murgayanti Murgayanti ◽  
Anne Nuraini ◽  
Megianti Agtari ◽  
Agung Karuniawan
Keyword(s):  
Plant Growth ◽  
Sea Level ◽  
Sweet Potato ◽  
Growth Regulators ◽  
Ipomoea Batatas ◽  
Block Design ◽  
Plant Genotype ◽  
Experimental Station ◽  
Randomized Block Design ◽  
Two Factors

Sari. Paclobutrazol  merupakan salah satu zat pengatur tumbuh yang dapat digunakan untuk memodifikasi pertumbuhan tanaman dengan cara mempertahankan keseimbangan pertumbuhan vegetatif dan generatif.  Setiap genotipe tanaman akan menghasilkan respons yang berbeda terhadap pemberian paclobutrazol. Penelitian ini bertujuan untuk mengetahui interaksi antara konsentrasi paclobutrazol dengan dua klon ubi jalar serta mengetahui konsentrasi paclobutrazol yang terbaik untuk pertumbuhan dan hasil dua klon ubi jalar. Percobaan dilakukan pada bulan Februari sampai Juni 2017 di kebun Percobaan Ciparanje, Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Kabupaten Sumedang, Jawa Barat pada ketinggian 750 m dpl. Jenis tanah tempat percobaan adalah Inceptisol, tipe curah hujan C menurut menurut klasifikasi Schmidt  dan  Ferguson bertipe C (agak basah). Percobaan menggunakan Rancangan Acak Kelompok (RAK) pola faktorial yang terdiri dari dua faktor dan diulang sebanyak empat kali. Faktor pertama yaitu klon ubi jalar (Awachy 1 dan Biang) dan faktor kedua yaitu konsentrasi paclobutrazol (0, 50, 100, 150 ppm). Hasil penelitian menunjukkan klon Biang menghasilkan jumlah ubi per tanaman yang lebih tinggi daripada klon Awachy 1. Konsentrasi paclobutrazol 50 ppm menghasilkan bobot ubi per tanaman yang lebih tinggi.Kata Kunci: paclobutrazol, klon, ubi jalar. Abstract. Paclobutrazol is one type of plant growth regulators that can be used to regulate plant growth with the aim of maintaining the balance of vegetative and generative growth. Each plant genotype would produce a different responses to paclobutrazol. The aimed of this study was to determine the interaction between the concentration of paclobutrazol and two sweet potato clones and to determined the best concentration of paclobutrazol for yield of two sweet potato clones. The experiment was conducted from February to June 2017 at Ciparanje Experimental Station, Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang Regency, West Java on 750 m above sea level. Type of rainfall of the experimental area was classified as C type according to Schmidt and Ferguson. The experiment design used Factorial Randomized Block Design that consisted of two factors and repeated four times. The first factor was sweet potato clone (Biang and Awachy 1) and second factor was the concentration of paclobutrazol (0, 50, 100, 150 ppm). The results showed that the number of tubers in Biang produced higher than Awachy 1, and the treatment of paclobutrazol with concentration of 50 ppm had the best yield (weigth of tubers per plant).Keywords: paclobutrazol, clone, sweet potato

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