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The Effect of Combination of Nitrogen and Phosphate Enrichment on the Development of Seaweed Spores (Kappaphycus alvarezii)

Torani Journal of Fisheries and Marine Science · Vol. UME No. MOR (2022) · pp. 33–43

DOI
10.35911/torani.v6i1.22366
ISSN
2615-6601, 2621-5322
Published
2022-12-23
Publisher
Hasanuddin University
Language
en

Abstract

Seaweed (Kappaphycus alvarezii) is one of the aquatic commodities that has the potential to be developed due to demand reaching the international market (Ari, SP and Risna Yusuf, 2018). Provision of seeds is still carried out by vegetative means (cuttings) (Runtuboy N and Slamet Abadi, 2018). However, there are problems, especially the provision of quality seeds, large scale, and does not depend on the season. Provision of seeds can also be done generatively. K. alvarezii can be developed by exploiting the nature of sexual reproduction through the development of spores which are characterized by the presence of cystocarp on the surface of the thallus (Juniarta I, 2016). However, the cystocarp in its growth really needs nutrition in order to produce spores of good quality and quantity. The nutrients needed are nitrogen and phosphate. This is due to the role of nitrogen as a constituent of protein and phosphate as a provider of energy (Pauwah A, et al., 2020). The purpose of this study was to determine the dose ratio of nitrogen and phosphate enrichment on cystocarp development. The research was carried out from November 2018 to February 2019, at the Seaweed Laboratory of the Takalar Brackish Water Aquaculture Fishery Center (BPBAPT). The study contained 6 treatments with 3 repetitions, namely Treatment A = Without enrichment (SW), Treatment B = 0.5 ppm N: 0.5 ppm P, Treatment C = 1 ppm N: 0.5 ppm P, Treatment D = 1.5 ppm N: 0.5 ppm P, Treatment E = 0.5 ppm N: 1 ppm P, and Treatment F = 0.5 ppm N: 1.5 ppm P. The results showed that the highest germination was in treatment D with an average of 56.95%. However, the research was not significantly different between treatments (p>0.05).

Keywords

Collaboration network of the authors

36 authors · 158 co-authorship links

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  • Universitas Halu Oleo
  • Institut Agama Islam Negeri Kendari
  • Bandung Institute of Technology
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Marlina AchmadAffiliation unknown3
Zainuddin ZainuddinInstitut Agama Islam Negeri Kendari2
Badraeni BadraeniAffiliation unknown2
Andi Aliah HidayaniAffiliation unknown2
Besse Tenri NurkamilahAffiliation unknown2
Dody Dh. TrijunoAffiliation unknown2
Elmi N. ZainuddinAffiliation unknown2
Edison SaadeAffiliation unknown2
Hasni Y. AzisAffiliation unknown2
Irfan AmbasAffiliation unknown2
M. Iqbal DjawadAffiliation unknown2
Muh. Yusri KarimAffiliation unknown2
Siti AslamyahAffiliation unknown2
Yushinta FujayaAffiliation unknown2
Asmi Citra Malina A.R.TassakkaAffiliation unknown2
RustamAffiliation unknown2
Isma RiskianiAffiliation unknown2
Abas RudinAffiliation unknown1
Try Sugiyarto SoeparyantoUniversitas Halu Oleo1
Nasrul NasrulUniversitas Halu Oleo1
Dea PramitaAffiliation unknown1
Hilal AnsharyAffiliation unknown1
Mey Angraeni TamalAffiliation unknown1
Joni AriansyahAffiliation unknown1
Koredianto UsmanBandung Institute of Technology1
Suharyon SuharyonAffiliation unknown1
Hendri PurnamaAffiliation unknown1
Resi Kumala MaulaniAffiliation unknown1
Najamuddin NajamuddinAffiliation unknown1
Mahfud PaloAffiliation unknown1
M. Abduh Ibnu HajarAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/torani/oai, first harvested 5 Nov 2026, last seen 5 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">The Effect of Combination of Nitrogen and Phosphate Enrichment on the Development of Seaweed Spores (Kappaphycus alvarezii)</dc:title>
	<dc:creator xml:lang="en">Sahir, Muhammad</dc:creator>
	<dc:creator xml:lang="en">Rustam, Rustam</dc:creator>
	<dc:creator xml:lang="en">Latama, Gunarto </dc:creator>
	<dc:creator xml:lang="en">Herliyanti, Herliyanti</dc:creator>
	<dc:creator xml:lang="en">Damayanti, Nur Ulfa </dc:creator>
	<dc:subject xml:lang="en">Kappaphycus alvarezii</dc:subject>
	<dc:subject xml:lang="en">spores</dc:subject>
	<dc:subject xml:lang="en">nitrogen</dc:subject>
	<dc:subject xml:lang="en">phosphate</dc:subject>
	<dc:description xml:lang="en">Seaweed (Kappaphycus alvarezii) is one of the aquatic commodities that has the potential to be developed due to demand reaching the international market (Ari, SP and Risna Yusuf, 2018). Provision of seeds is still carried out by vegetative means (cuttings) (Runtuboy N and Slamet Abadi, 2018). However, there are problems, especially the provision of quality seeds, large scale, and does not depend on the season. Provision of seeds can also be done generatively. K. alvarezii can be developed by exploiting the nature of sexual reproduction through the development of spores which are characterized by the presence of cystocarp on the surface of the thallus (Juniarta I, 2016). However, the cystocarp in its growth really needs nutrition in order to produce spores of good quality and quantity. The nutrients needed are nitrogen and phosphate. This is due to the role of nitrogen as a constituent of protein and phosphate as a provider of energy (Pauwah A, et al., 2020). The purpose of this study was to determine the dose ratio of nitrogen and phosphate enrichment on cystocarp development. The research was carried out from November 2018 to February 2019, at the Seaweed Laboratory of the Takalar Brackish Water Aquaculture Fishery Center (BPBAPT). The study contained 6 treatments with 3 repetitions, namely Treatment A = Without enrichment (SW), Treatment B = 0.5 ppm N: 0.5 ppm P, Treatment C = 1 ppm N: 0.5 ppm P, Treatment D = 1.5 ppm N : 0.5 ppm P, Treatment E = 0.5 ppm N : 1 ppm P, and Treatment F = 0.5 ppm N : 1.5 ppm P. The results showed that the highest germination was in treatment D with an average of 56.95%. However, the research was not significantly different between treatments (p&amp;gt;0.05).</dc:description>
	<dc:publisher xml:lang="en">Hasanuddin University</dc:publisher>
	<dc:date>2022-12-23</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/torani/article/view/22366</dc:identifier>
	<dc:identifier>10.35911/torani.v6i1.22366</dc:identifier>
	<dc:source xml:lang="en">Torani Journal of Fisheries and Marine Science; VOLUME 6 NOMOR 1, DESEMBER 2022; 33-43</dc:source>
	<dc:source>2615-6601</dc:source>
	<dc:source>2621-5322</dc:source>
	<dc:source>10.35911/torani.v6i1</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/torani/article/view/22366/9025</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Torani Journal of Fisheries and Marine Science</dc:rights>
</oai_dc:dc>