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Plantropica: Journal of Agricultural Science
Published by Universitas Brawijaya
ISSN : -     EISSN : 25416677     DOI : http://dx.doi.org/10.21776/ub.jpt
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
PLANTROPICA: Journal of Agricultural Science aims to provide a forum for international researchers on applied agricultural science to publish the original articles. The scope of PLANTROPICA: Journal of Agricultural Science are crop science, agronomy, horticulture, plant breeding, agricultural environmental resources, agricultural climatology and plant physiology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 10 Documents
 1 
Search results for , issue "Vol 4, No 1 (2019)" : 10 Documents clear
Pengaruh Berbagai Macam dan Cara Pemupukan pada Pertumbuhan Tanaman Stroberi (Fragaria Sp.) pada Pipa Vertikal Aditya Ramadhani Prabowo; Sitawati Sitawati
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.265 KB) | DOI: 10.21776/ub.jpt.2019.004.1.2

Abstract

Strawberries are one of the fruit commodities that have high economic value and relatively stable fruit prices. However, the annual production of strawberry plants in Indonesia has decreased due to land conversion. To overcome the problem of limited land, cultivation vertically can be a solution. Strawberry plants can be cultivated vertically because they meet the criteria of verticulture plants. However, vertical cultivation with vertical pipes on strawberry plants is feared to have problems with uneven distribution of nutrients on the pipes. The purpose of this study was to determine the effect of fertilizer types and fertilization methods on the growth and yield of strawberry plants on verticulture systems. And find the fertilization method that is most suitable for verticulture cultivation of strawberries. The research was conducted from March to June 2018 on the 6th floor rooftop of the UB Central Building, Malang with a height of around 440-667 MASL, and the average temperature at Rooftop 320C. This study used a randomized block design (RBD) with 7 treatments and 4 replications. The treatment consists of G1 = AB Mix per pipe, G2 = AB Mix per plant, G3 = NPK per pipe, G4 = NPK per plant, G5 = Dekastar per pipe, G6 = Dekastar per plant, G7 = Gandasil B per plant. The use of AB mix fertilizers both per pipe and per plant is the right fertilization in verticulture cultivation because it can improve the vegetative and generative parameters of strawberry plants.
Eksplorasi Keanekaragaman Anggrek Epifit di Kawasan Konservasi Wilayah II Senduro, Blok Ireng-Ireng, Taman Nasional Bromo Tengger Semeru, Jawa Timur Pandji Dimas Febriandito; Lita Soetopo
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (304.426 KB) | DOI: 10.21776/ub.jpt.2019.004.1.8

Abstract

Indonesia forest have high diversity of plants germaplasm, such as: moss, industrial food plant and ornamental plant. One of ornamental plant in the forest is orchid. Epiphytic orchid is a commensalism symbiote plant with the host tree. Many forest in Java converted to agricultural, industrial sectore so the population of epiphytic orchid start to be endangered (Puspitaningtyas, D.M., 2007). This is descriptive research with survey method. The purposes of the research were to know the diversity of epiphytic orchid and as consideration material of conservancy policy making by government. This research was conducted at Conservation Section Area II, Senduro, Ireng-Ireng Block, Bromo Tengger Semeru National Park, Lumajang, East Java in January until February 2018. This research used 30 obervation plots with measuring size 20 x 20 m and 100 m interval per plot. Vegetation analized were: density, relative density (RD), frequency, relative frequency (RF), important value index (IVI)and Shannon-Wiener diversity index. Orchid of Java book used to identified orchid. This research found 19 host trees of epiphytic orchid, has been sucsessfully identified 15 genera and 39 species with total population 1245.The dominate species was Eria javanica with IVI value 27.46%, relative density (RD) 8.19%. Orchids with the lowest IVI value (0.68%) were Appendicula ramosa, Malleola ligulata, Taeniophyllum sp. and Trixspermum purpurasccens, relative density (RD) were 0.08% and relative frequency (RF) were 0.58%. According to Shannon-Wiener diversity index value (2.90), the epiphytic orchid diversity in this area can be categorized in “medium state”.
Uji Viabilitas Benih Melon (Cucumis melo L.) Pada Berbagai Taraf Waktu Penyimpanan Buah dan Pengeringan Biji Herna Nur Fajrina; Kuswanto Kuswanto
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.229 KB) | DOI: 10.21776/ub.jpt.2019.004.1.3

Abstract

Melon (Cucumis melo L.) is one of the fruits of the family Cucurbitaceae, which propagated generatively by seeds. High quality of seed can results plants that good production. The problems often encountered in the seed production technology is the aspect of the post-harvest handling. On melon seed production, seed quality deterioration occurs caused fruit storage and seed drying are less precise. To get high quality seeds, then to do a proper post harvest handling. The purpose of this study is to get the proper time of fruit storage and seed drying to produce the high quality melon seed. The study was conducted from January to March 2018 at PT. BISI International Tbk Farm Karangploso Malang, prepared using Factorial Random Block Design (RCBD). The first factor is the fruit storage time (C), consisting of C1: 1 day, C2: 4 days, C3: 7 days, and C4: 10 days. While the second factor is seeds drying time (K), consisting of K1: 1 day, K2: 2 days, K3: 3 days, and K4: 4 days. Observations were made on the qualitative and the quantitative character including yield of seed result, the weight of 1000 grain, seed water content, seed germination, and seed germination rate. The results showed that there was interaction between fruit storage time treatment and seeds drying time on germination rate variable, while the effect given by each treatment showed a real result on all observation variables.
Analisis Kekerabatan Plasma Nutfah Tanaman Stroberi (Fragaria Sp) Berdasarkan Karakter Morfologi dan Random Amplified Polymorphic DNA (RAPD) Ulfa Devi Latifatul Azizah; Farida Yulianti; Afifuddin Latif Adiredjo; Sitawati Sitawati
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (394.634 KB) | DOI: 10.21776/ub.jpt.2019.004.1.9

Abstract

Tanaman stroberi (Fragaria sp) merupakan tanaman buah subtropis yang dikembangkan di Indonesia dan hanya terbatas pada daerah dataran tinggi. Oleh sebab itu, banyak muncul karakter baru dan lebih beragam yang dipengaruhi lingkungan dan genetik. Perbedaan karakter dapat diamati dengan karakterisasi morfologi dan penanda molekuler RAPD. Penanda RAPD menjadi salah satu metode untuk mengetahui informasi kekerabatan antar individu yang penting dalam pemuliaan tanaman. Tujuan dari penelitian ini adalah untuk mengetahui hubungan kekerabatan dan perbedaan hubungan kekerabatan plasma nutfah stroberi berdasarkan karakter morfologi dan penanda molekuler RAPD. Penelitian dilakukan di Laboratorium Pemuliaan Tanaman Balitjestro Batu Jawa Timur, pada bulan Januari-April 2018. Bahan yang digunakan meliputi 15 varietas tanaman stroberi, deskriptor UPOV, plant genomic DNA Kit, PCR Kit, gel agarose. pengamatan morfologi dilakukan pada 7 karakter kuantitatif dan 36 karakter kualitatif. Pengamatan molekuler dilakukan dengan menentukan pita polimorfik. Data dianalisis menggunakan analisis cluster dengan nilai koefisien kemiripan. kekerabatan tanaman stroberi paling dekat berdasarkan morfologi adalah varietas Hachiko dan Brastagi dengan nilai kemiripan 0,84. Berdasarkan penanda molekuler RAPD, varietas yang memiliki hubungan kekerabatan paling dekat adalah S.Warna-warni dan Rosalinda dengan nilai kemiripan 0,97. Perbedaan hubungan kekerabatan tersebut   berdasarkan perbedaan nilai koefisien kemiripan. Perbedaan nilai koefisien kemiripan pada 15 varietas tanaman stroberi secara morfologi dan molekuler disebabkan adanya perbedaan jenis data yang digunakan pada analisis cluster.
Pengaruh Polyethylene Glycol (PEG) terhadap Hardening Planlet Apel (Malus sp.) Akibat Hiperhidrisitas Secara In Vitro Ruwiyatul Maslukah; Farida Yulianti; Mochammad Roviq; Mochammad Dawam Maghfoer
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.494 KB) | DOI: 10.21776/ub.jpt.2019.004.1.4

Abstract

Hyperhydricity is a change of morphology and physiology that occurs in tissue of plant which found in micropropagation. Failure to overcome this problem has been an effect on the success of acclimatization, because of the planlet produced had stress while acclimatization. The purpose of this study was to determine the effect of PEG to fast hardening of apple plantlet by the effect of hyperhydricity and to get the optimal concentration of PEG. The research was conducted at BALITJESTRO, Batu City, from April-July 2018. The research used a completely randomized design with the treatment of PEG (0, 1, 3, 5 dan 9 g l-1). The variable observation were percentage of surviving planlet, change of morfologhy and leaf colour. The result showed the concentration of PEG 5 g l-1 influenced to the percentage of surviving planlet as the indicator tolerance of planlet on drought stress. Concentration of PEG gave the effect to morfologhy change as the indicator the faster of hardening by the effect of hyperhydricity. The concentration of PEG also influenced to changes of leaf colour from moderate green to dark green which is the indicator of chlorophyll on planlet leaf.
Jarak Genetik 47 Aksesi Plasma Nutfah Kelapa Sawit (Elaeis guineensis Jacq.) Introduksi Asal Kamerun Berdasarkan Karakter Morfologi Tiara Septika Wandita; Sumeru Ashari
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.521 KB) | DOI: 10.21776/ub.jpt.2019.004.1.10

Abstract

Kelapa sawit (Elaeis guineensis Jacq.) merupakan komoditi perkebunan yang mempunyai peran penting dalam berbagai aspek kehidupan. Pengembangan industri kelapa sawit memerlukan beberapa upaya untuk mencapai peningkatan produktivitas nasional, salah satunya adalah pemanfaatan benih unggul bermutu didukung oleh ketersediaan sumber daya genetik (plasma nutfah) yang mempunyai tingkat keragaman genetik yang tinggi. Upaya yang dapat dilakukan melalui karakterisasi kelapa sawit introduksi dari luar. Maka dari itu penelitian ini bertujua untuk menganalisis jarak genetik antar aksesi kelapa sawit introduksi asal Kamerun berdasarkan karakter morfologi untuk memperkaya genetik. Penelitian ini telah dilaksanakan pada bulan Januari-Maret 2018 di Pusat Penelitian Kelapa Sawit kebun unit Adolina milik PT. Perkebunan Nusantara IV, Serdang Bedagai, Sumatera Utara. Pengamatan dilakukan menggunakan metode single plant pada 47 aksesi kelapa sawit inroduksi Kamerun dan  10 sampel varietas DxP PPKS 540. Analisa data yang digunakan adalah analisis deskriptif, PCA (Principal Component Analysis) dan analisis kluster. Hasil analisis PCA pada 47 aksesi kelapa sawit asal Kamerun menghasilkan 6 komponen utama yang memiliki eigenvalue > 1, sedangkan PCA pada DxP PPKS 540 menghasilkan 5 komponen utama yang memiliki eigenvalue >1. Analisis selanjutnya adalah analisis kluster. Analisis kluster dilakukan menghasilkan Euclidean distance pada aksesi Dura asal Kamerun sebesar 37%, pada aksesi Tenera asal Kamerun sebesar 19%, pada 47 aksesi asal Kamerun sebesar 57%, pada DxP PPKS 540 sebesar 16% dan pada 47 aksesi asal kamerun digabungkan dengan DxP PPKS 540 sebesar 61%. 
Pembungaan Kembali Tanaman Mawar (Rosa SP.) Sebagai Tanaman Taman Melalui Pemangkasan dan Pemberian Pupuk Dini Qowiyah Ula; Nur Azizah; Agus Suryanto
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (527.802 KB) | DOI: 10.21776/ub.jpt.2019.004.1.1

Abstract

Roses is one of popular and widely cultivated commodities in Indonesia. Based on usefulness, roses can be classified into cut flowers, potted flowers and garden elements. Roses used as garden ornamental plants because it is able to improve aesthetics of garden and create comfortable atmosphere for visitors garden. The purposes of the research was to study the effect and obtain the level of pruning and appropriate concentration of foliar fertilizer for growth and flowering of roses. The hypothesis of the research were to get  influence and get right level of pruning and foliar fertilizer concentration that can increase growth and flowering of roses. The research was conducted in March to June 2018 at Venus Orchid and Nursery, Malang. Split Plot Design with 3 repetition, foliar fertilizer as main plot and prunning as sub plot. Parameters observed included growth and flowering roses. Growth variables include number of shoots (shoots), length of branches (cm), time of budding (hsp), number of leaves (strands), and leaf area (cm2). Flowering variables include the number of flowers (flower per plant), the length of the stalk flower (cm), the diameter of the flower (cm), time of flowering (hsp), time of blooming (hsp), and vase life (day). The results showed that 1500 ppm concentration of foliar fertilizer with hard pinch 1 pruning was able to increase 34.47% of the branch length, accelerate the emergence of branch buds 70 days, increase 3.66 flowers and accelerate 14.16 days when flowering on roses compared to treatments without pruning and foliar fertilizer
Identifikasi Sifat Ketahanan Plasma Nutfah Kedelai (Glycine Max L. Merrill) Terhadap Kutu Kebul (Bemisia tabaci Genn.) Reza, Nisrina Saraswati; Sulistyo, Apri; Purnamaningsih, Sri Lestari
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.658 KB) | DOI: 10.21776/ub.jpt.2019.004.1.5

Abstract

Superior variety with resistance to pest is neededin order to cover the high needs of soybean in Indonesia. Genetic resources from germplasm collections are needed for the assembly of new soybean variety resistant to whitefly. This research aims to find soybean germplasm as the source ofresistance gene and to learn soybean leaf characters resistant to whitefly. This research was conducted from February to May 2018 at Kendalpayak Experimental Station, Balitkabi, Malang. A total of 48 soybean genotypes were evaluated following a randomized block design with three replicates. Observations of whitefly population (number of eggs, nymphs, pupae, and imago), number of leaf trichomes, leaf chlorophyll index, leaf water content, and leaf color score were carried out on three plant samples for each genotype. The result showed that there are 6 resistant genotypes such as Wilis, Meratus, Argomulyo, Ringgit, Merbabu, and Malabar. There were no leaf characteristics that played a doimant role in soybean resistance to whitefly.
Dampak Variasi Iklim Terhadap Produktivitas Mangga (Mangifera indica) Di Kabupaten Indramayu, Jawa Barat Triani, Fuji; Ariffin, Ariffin
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.622 KB) | DOI: 10.21776/ub.jpt.2019.004.1.6

Abstract

Climate change has a significant impact in various sectors, especially the agricultural sector. Climate variations that have significant changes are rainfall and temperature. One of the effects of climate change is that it can reduce the productivity of mango (Mangifera indica). Mango (Mangifera indica) is a fruit of high economic value and is an important food ingredient after bananas for people in tropical climates. The purpose of this study was to determine the effect of variations in climatic elements on mango productivity in Indramayu Regency. The study was conducted in February-April 2018 in Indramayu Regency, West Java in selected sub-districts (Hargeulis, Gantar, Indramayu and Balongan) as mango production centers. This study uses an independent (independent) variable analysis with the dependent variable in this analysis which is the independent variable namely the climate elements while the dependent variable is the productivity of mango. By using a simple regression test and multiple regression. The results showed that the climatic element influencing the productivity of mangoes in Indramayu Regency was temperature. From the results of the relationship of climate change with mango productivity shows that the equation model Y = 18.54-0.28x1 + 0.52x2-0.85x3 is obtained.
Respon Beberapa Genotip Kacang Tunggak (Vigna unguiculata L.) terhadap Cekaman Salinitas Eritria Ulina Absari; Kuswanto Kuswanto
PLANTROPICA: Journal of Agricultural Science Vol 4, No 1 (2019)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.622 KB) | DOI: 10.21776/ub.jpt.2019.004.1.7

Abstract

Salinity stress in plants still an important problem in agriculture throughout the world. Salinity makes plants unable to grow and produce well. Cowpea is one of the legume plants that is tolerant of drought and acidity so that it is prospectively developed on land such as dry land and acid soils. The purpose of this study was to determine cowpea genotypes that showed the most tolerant response to salinity and to know the interaction of genotypes and salinity. The tools used in the study were stationery,shovels,buckets,dipper,rulers,analytical scales,camera, pots, portable EC meters,chlorophyll meters. The materials used in the study were the seeds of ten cowpea genotypes (MLG 17013, MLG 17019,MLG17027,MLG17042,MLG17051,MLG17055,MLG17057,MLG17060,KT-4,KT-5),soil,water,fertilizer,urea,TSPfertilizer,KCL fertilizer, manure, NaCl and labels. This study using slit plot design with 3 replications. The mainplot is EC soil at 4 dS/m and 8 dS/m and nonstress. The subplot is 10 genotypes of cowpea. The study was carried out in a greenhouse of the Various Peanut and Tuberculosis Research Institute,Malang Regency,East Java. The research was conducted from March to June 2018. The results of the study were that salinity affected the decrease in germination percentage,plant height, number of branches, chlorophyll index,weight of pod/plant, number of pods/plants,length of pods/plants, weight of 100 seeds,weight of planting seeds,age of flowering and age of harvesting. The conclusions from the study were that the 3 most tolerant genotypes based on stress tolerance index (ITC) and based on scoring of cowpea plants showed tolerance from somewhat tolerant to sensitive.

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