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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences
Andri Wijayanto
Master of Coastal Resources Management, Department of Aquatic Resources Management, Fisheries and Marine Sciences Faculty, Diponegoro University
Earth & Planetary Sciences

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Domestication of Red Seaweed (Gelidium latifolium) in Different Culture Media Andri Wijayanto; Ita Widowati; Tjahjo Winanto
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 25, No 1 (2020): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.322 KB) | DOI: 10.14710/ik.ijms.25.1.39-44

Abstract

Gelidium latifolium is one of red seaweed types potentially can be developed as an industrial raw material. Since Gelidium is currently taken from ocean, the availability of seaweed from aquaculture is necessary to overcome the small number of its availability in nature. In Indonesia, G. latifolium cultivation has not been carried out so that domestication is required. The use of macro and micro nutrients in growth media is essentially needed for the domestication process. Domestication requires fast media and place for growth. The purpose of this study is to determine the growth of biomass and the survival of G. latifolium in different culture media. The study was conducted in a semi-outdoor research laboratory. The method used in this research is laboratory experimental method and Completely Randomized Design (CRD) with the treatment applied using 3 types of culture media (Urea: Za: TSP) by comparison (A) 100: 50: 50% (2 g.L-1), (B) 75: 75: 50% (2 g.L-1) and (C) 75: 50: 75% (2 g.L-1), with 3 replications. The seaweed was kept in 10 L of water in aeration equipped aquarium and filled with 10 g of G. latifolium on each treatment. The best growth rate of G. latifolium biomass is 5.67± 0.58 g and 100±0% are survived in C culture medium with a concentration of 75% Urea: 50% ZA: 75% TSP (2 g.L-1).
Co-Authors Ita Widowati Tjahjo Winanto