Muhammad, Jum’at (2023) BUDIDAYA RUMPUT LAUT Kappaphycus alvarezii HIJAU DENGAN BERBAGAI SUBSTRAT YANG BERBEDA PADA SKALA LABORATORIUM. S1 thesis, Universitas Mataram.
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Abstract
Kappaphycus alvarezii is an important red algae and can be used as one of the main raw materials in fisheries, it is widely cultivated because its production technology is relatively cheap, and post-harvest handling is relatively simple and easy. This algae has great economic value for carrageenan producers. Carrageenan has uses as a food ingredient, cosmetics and medicine. The success of cultivating K. alvarezii seaweed can be achieved if it is supported by a suitable environment for its growth. One of the environmental aspects that influences the growth of K. alvarezii seaweed is the bottom substrate of the waters. The aim of this research is to analyze the best substrate for cultivating green K. alvarezii seaweed on a laboratory scale. This research used an experimental method with a Completely Randomized Design (CRD) consisting of 4 treatments and 3 repetitions, resulting in a total of 12 experimental units. The treatments tested were different substrates consisting of a coral substrate, sand substrate, volcanic rock substrate and coral sand substrate. The results of this study showed that the average survival rate in various substrate treatments ranged from 7.16% to 39%, final weight ranged from 1.43 g to 7.8 g, specific loss rate ranged from -3.157%/day to -5.124%/day, carrageenan yield ranged from 6.8% to 18.4%, and thallus tissue showed that all treatments still showed the presence of cortex and medullary tissue with varying shapes and structures.
| Item Type: | Thesis (S1) |
|---|---|
| Keywords (Kata Kunci): | Tissue, K. alvarezii, carrageenan, seaweed, substrate. |
| Subjects: | S Agriculture > SH Aquaculture. Fisheries. Angling |
| Divisions: | Fakultas Pertanian |
| Depositing User: | Meike Megawati |
| Date Deposited: | 11 Jan 2024 06:49 |
| Last Modified: | 11 Jan 2024 06:49 |
| URI: | http://eprints.unram.ac.id/id/eprint/44009 |
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