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Growth, Morphology and Growth Related Hormone Level in Kappaphycus alvarezii Produced by Mass Selection in Gorontalo Waters, Indonesia

HAYATI Journal of Biosciences · Vol. 23 No. 1 (2016)

DOI
10.4308/hjb.23.1.29
ISSN
2086-4094, 1978-3019
Terbit
2016-10-06
Penerbit
Bogor Agricultural University, Indonesia
Bahasa
eng

Abstrak

The use of high quality seed can support the success of the seaweed cultivation. This study was conducted to evaluate the growth performance, morphology and growth related hormone level of brown strain seaweed Kappaphycus alvarezii seed produced by mass selection. Selection was performed in the Tomini Gulf, Gorontalo, based on mass selection of seaweed seed protocol with a slight modification in cut-off 10% of the highest daily growth rate. Selection was carried out for four generations. The selected 4thgeneration of seed was then used in cultivation performance test in the Celebes Sea, North Gorontalo, for three production cycles. The results showed that the selected K. alvarezii has higher clump weight and daily growth rate, longer thallus, more number of branches, and shorter internodes compared to the unselected control and seaweed from the farmer as external control. Furthermore, total sugar content, levels of kinetin hormone and kinetin:indole-3-acetic acid ratio were higher in selected seaweeds than that of unselected control and external control. Thus, mass selection method could be used to produce high growth of seed, and kinetin and indole-3-acetic acid play an important role in growth of K. alvarezii.

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Wini TrilaksaniIPB University6
Sugeng Heri SusenoIPB University4
Desniar DesniarAfiliasi tidak diketahui4
Emma SuryatiAfiliasi tidak diketahui3
Bambang RiyantoBandung Institute of Technology3
Uju UjuAfiliasi tidak diketahui3
Bustami IbrahimAfiliasi tidak diketahui3
A NapoleonAfiliasi tidak diketahui2
Dedik BudiantaAfiliasi tidak diketahui2
Muhammad Agung SuarjiAfiliasi tidak diketahui2
Suntoro SuntoroAfiliasi tidak diketahui2
Nanthi BolanAfiliasi tidak diketahui2
Agus Oman SudrajatAfiliasi tidak diketahui2
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Anna OctaveraAfiliasi tidak diketahui2
GORO YOSHIZAKIAfiliasi tidak diketahui2
Tati NurhayatiAfiliasi tidak diketahui2
Wahyu RamadhanAfiliasi tidak diketahui2
Utut WidyastutiAfiliasi tidak diketahui2
Mutmainnah MutmainnahUniversitas Halu Oleo1
Bustami BustamiUniversitas Islam Negeri Ar-Raniry1
Dian Setyarini SoemadiAfiliasi tidak diketahui1
nurjanah nurjanahAfiliasi tidak diketahui1
Kustiariyah TarmanIPB University1
Pipin SupinahAfiliasi tidak diketahui1
Erika Wahyu DewantiAfiliasi tidak diketahui1
Dian SetyariniAfiliasi tidak diketahui1
Afifah Hanaa Nur AlafAfiliasi tidak diketahui1
Pradeka Brilyan PurwandokoNational Research and Innovation Agency1
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Sumber metadata: OAI-PMH (metadata jurnal) http://journal.ipb.ac.id/index.php/hayati/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Growth, Morphology and Growth Related Hormone Level in Kappaphycus alvarezii Produced by Mass Selection in Gorontalo Waters, Indonesia</dc:title>
	<dc:creator xml:lang="en">Fadilah, Siti</dc:creator>
	<dc:creator xml:lang="en">Alimuddin, .</dc:creator>
	<dc:creator xml:lang="en">Pong-Masak, Petrus Rani</dc:creator>
	<dc:creator xml:lang="en">Santoso, Joko</dc:creator>
	<dc:creator xml:lang="en">Parenrengi, Andi</dc:creator>
	<dc:subject xml:lang="en">growth</dc:subject>
	<dc:subject xml:lang="en">hormone</dc:subject>
	<dc:subject xml:lang="en">Kappaphycus alvarezii</dc:subject>
	<dc:subject xml:lang="en">mass selection</dc:subject>
	<dc:subject xml:lang="en">morphology</dc:subject>
	<dc:description xml:lang="en">The use of high quality seed can support the success of the seaweed cultivation. This study was conducted to evaluate the growth performance, morphology and growth related hormone level of brown strain seaweed Kappaphycus alvarezii seed produced by mass selection. Selection was performed in the Tomini Gulf, Gorontalo, based on mass selection of seaweed seed protocol with a slight modification in cut-off 10% of the highest daily growth rate. Selection was carried out for four generations. The selected 4thgeneration of seed was then used in cultivation performance test in the Celebes Sea, North Gorontalo, for three production cycles. The results showed that the selected K. alvarezii has higher clump weight and daily growth rate, longer thallus, more number of branches, and shorter internodes compared to the unselected control and seaweed from the farmer as external control. Furthermore, total sugar content, levels of kinetin hormone and kinetin:indole-3-acetic acid ratio were higher in selected seaweeds than that of unselected control and external control. Thus, mass selection method could be used to produce high growth of seed, and kinetin and indole-3-acetic acid play an important role in growth of K. alvarezii.</dc:description>
	<dc:publisher xml:lang="en">Bogor Agricultural University, Indonesia</dc:publisher>
	<dc:date>2016-10-06</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://journal.ipb.ac.id/hayati/article/view/13514</dc:identifier>
	<dc:identifier>10.4308/hjb.23.1.29</dc:identifier>
	<dc:source xml:lang="en">HAYATI Journal of Biosciences; Vol. 23 No. 1 (2016): January 2016; 29</dc:source>
	<dc:source>2086-4094</dc:source>
	<dc:source>1978-3019</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://journal.ipb.ac.id/hayati/article/view/13514/10156</dc:relation>
</oai_dc:dc>