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All Journal Wanamukti : Jurnal Penelitian Kehutanan Jurnal Sylva Lestari
Indriyanto .
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology

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Perkecambahan Benih Aren (Arenga Pinnata) Setelah Diskarifikasi Dengan Giberelin Pada Berbagai Konsentrasi Oktoviani Purba; Indriyanto .; Afif Bintoro
Jurnal Sylva Lestari Vol. 2 No. 2 (2014): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.52 KB) | DOI: 10.23960/jsl2271-78

Abstract

Dormancy of sugar palm seed (Arenga pinnata) was caused of hard seed coat structure, making its difficult to absorb water during of germinating. Dormancy in seed can be resolved by giving of treatmeant physically, mechanically, or chemically. This research aimed to determine the effect of physical treatment and chemical treatment on the germination of sugar palm seeds and determine which affect gibberellin concentration most favorable to the germination of sugar palm seeds. In this research, dormancy in seed be resolved in chemically that way with soaking of water with temperature early 75 0 C let to be chilled during 15 minute, and then soaking in condensation of giberelin with concentration of giberellins is 0 ppm, 50 ppm, 100 ppm, 150 ppm, and 200 ppm for 24 hours.  The method used in this research is Complete Random Design (CRD) which consisting of five treatments and four replications. The results showed that the treatment accorded significant effect on germination percentage, germination, and the average days to germinate. Addition of soaking in a solution of 150 ppm giberellin for 24 hours gives the best effect with an average germination percentage by 65%, compared with addition of soaking in giberellin solution of 0 ppm, 50 ppm, 100 ppm, 200 ppm giberellins for 24 hours with an average germination percentage by 15%, 34,5%, 53,125%, and 26,875%.
Populasi Tumbuhan Anggota Famili Zingiberaceae di Blok Koleksi Tumbuhan Sumber Agung DS Tahura Wan Abdul Rachman (Population of Plant of the Zingiberaceae Family Members at Sumber Agung DS Plant Collection Block in Tahura Wan Abdul Rachman) Dewy, Merty Fertyana; ., Indriyanto
Wanamukti: Jurnal Penelitian Kehutanan Vol. 25 No. 2 (2022)
Publisher : Fakultas Kehutanan Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/wanamukti.v25i2.414

Abstract

The Wan Abdul Rachman Great Forest Park (Tahura) is one of the conservation forests in Lampung Province.  The plant collection block serves as a place for the collection of native and artificial plants.  The Collection Block has the potential as a place to grow members of the Zingiberaceae family.  Zingiberaceae is a flowering plant known as ginger plants.  This study aims to determine the population of plants belonging to the Zingiberaceae family in the Sumber Agung Plant Collection Block, Wan Abdul Rachman Great Forest Park.  The study was conducted in June-July 2021. The method used was the transect method with a sampling intensity of 0.1% or an area of 1,411.8 m2.  There are 4 transect, each measuring 5 m wide and 180 m long.  Sample plots measuring 5 m x 2 m were made continuous in all transect.  The results showed the population of plants belonging to the Zingiberaceae family in the Sumber Agung Plant Collection Block as many as 15 species, namely temulawak (Curcuma xanthorrhiza), laos (Alpinia galanga), fragrant lempuyang (Zingiber aromaticum), ginger (Zingiber officinale), bitter lempuyang /emprit (Zingiber amarican), tepus (Etlingera solaris), lempuyang elephant (Zingiber zerumbet), temu putih (Curcuma zedoaria), white galangal (Alpinia malaccensis), pacing (Costus spesiosus), temu giring (Curcuma heyneana), bangle (Zingiber purpureum), cardamom (Amomum compactum), honje/kecombrang (Etlingera elatior), and wresah (Amomum delbatum).  The dominant population of Zingiberaceae plants is Laos with an INP of 75.809 and a density of 666.6 individuals/ha. Keyword: population; Zingiberaceae; collection blocks; great forest park
Co-Authors Afif Bintoro Agus M. Hariri AGUS SETIAWAN Agus Wahyudi Andi A. J. Siahaan Anita Luksi Indria Sandi Ayu Mayangsari Ceng Asmarahman Dewy, Merty Fertyana Duryat . Erviana Sari Eva Friska Br Sembiring, Eva Ferdiansyah Putra Gesta Rama Noprian Nawawi Ikro Fajar Surachman Melda Yanti Melya Riniarti Moses Hasibuan Novia Ekayanti Novita Siti Rahayu Oktoviani Purba Rekha Prananda Riyanto . Supriyanto . Surnayanti . Tiopan Tua Halomoan Simamora Wenty Irvantia Yosepin K. Simangunsong