Growth of Gracilaria under Different Planting Distances in Pond

<p>The use of non-productive shrimp ponds for cultivation of <em>Gracilaria</em> is one of the strategies that can be performed to achieve production target of seaweed. This study was conducted to determine the influence of different planting distances on growth of <em>Gracil...

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Main Author: . Sunarto
Format: Article
Language:English
Published: Asosiasi Sains Akuakultur Indonesia 2009-07-01
Series:Jurnal Akuakultur Indonesia
Online Access:http://journal.ipb.ac.id/index.php/jai/article/view/4099
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spelling doaj-2b27a6905c5d45bfadb77e57cb97f4252020-11-24T20:51:01ZengAsosiasi Sains Akuakultur IndonesiaJurnal Akuakultur Indonesia1412-52692354-67002009-07-018215716110.19027/jai.8.157-1613697Growth of Gracilaria under Different Planting Distances in Pond. Sunarto0Fakultas Perikanan dan Ilmu Kelautan, Universitas Muhammadiyah Pontianak<p>The use of non-productive shrimp ponds for cultivation of <em>Gracilaria</em> is one of the strategies that can be performed to achieve production target of seaweed. This study was conducted to determine the influence of different planting distances on growth of <em>Gracilaria</em> cultivated in pond. <em>Gracilaria</em> was separately planted in distant of 20x20 cm; 25x25 cm; 30x30 cm and 35x35 cm in pond for 45 days cultivation.  Relative growth rate and thallus length increment were measured to obtain an optimal planting distance. The results of study showed that 25x25 cm planting distance resulted in a higher relative growth rate (137.8%) and increment of thallus length (15.3%) compared with other treatments.  Thus, cultivation of <em>Gracilaria</em> in an unproductive pond with 25x25 cm planting distance may improve production.</p> <p>Keywords : non-productive ponds, planting distance, <em>Gracilaria</em></p> <p> </p> <p>ABSTRAK</p> <p>Pemanfaatan tambak udang yang tidak produktif untuk budidaya <em>Gracilaria</em> merupakan salah satu strategi yang dapat dilakukan untuk mencapai target produksi rumpul laut. Penelitian ini dilakukan untuk mengetahui pengaruh jarak tanam yang berbeda terhadap pertumbuhan <em>Gracilaria</em> di tambak.  Gracilaria ditanam terpisah dengan jarak 20x20 cm; 25x25 cm; 30x30 cm dan 35x35 cm di tambak selama 45 hari pemeliharaan.  Pertumbuhan relatif dan panjang thalus diukur untuk memperoleh jarak tanam yang optimal.  Hasil penelitian menunjukkan bahwa jarak tanam 25x25 cm memberikan pertumbuhan relatif (137.8%) dan pertambahan panjang thalus (15.3%) tertinggi dibandingkan dengan perlakuan lainnya. Dengan demikian, budidaya <em>Gracilaria</em> di tambak tidak produktif dengan jarak tanam 25x25 xm diduga sangat membantu untuk mencapai target produksi rumput laut.</p> <p>Kata kunci : tambak non-produktif, jarak tanam, Gracilaria</p>http://journal.ipb.ac.id/index.php/jai/article/view/4099
collection DOAJ
language English
format Article
sources DOAJ
author . Sunarto
spellingShingle . Sunarto
Growth of Gracilaria under Different Planting Distances in Pond
Jurnal Akuakultur Indonesia
author_facet . Sunarto
author_sort . Sunarto
title Growth of Gracilaria under Different Planting Distances in Pond
title_short Growth of Gracilaria under Different Planting Distances in Pond
title_full Growth of Gracilaria under Different Planting Distances in Pond
title_fullStr Growth of Gracilaria under Different Planting Distances in Pond
title_full_unstemmed Growth of Gracilaria under Different Planting Distances in Pond
title_sort growth of gracilaria under different planting distances in pond
publisher Asosiasi Sains Akuakultur Indonesia
series Jurnal Akuakultur Indonesia
issn 1412-5269
2354-6700
publishDate 2009-07-01
description <p>The use of non-productive shrimp ponds for cultivation of <em>Gracilaria</em> is one of the strategies that can be performed to achieve production target of seaweed. This study was conducted to determine the influence of different planting distances on growth of <em>Gracilaria</em> cultivated in pond. <em>Gracilaria</em> was separately planted in distant of 20x20 cm; 25x25 cm; 30x30 cm and 35x35 cm in pond for 45 days cultivation.  Relative growth rate and thallus length increment were measured to obtain an optimal planting distance. The results of study showed that 25x25 cm planting distance resulted in a higher relative growth rate (137.8%) and increment of thallus length (15.3%) compared with other treatments.  Thus, cultivation of <em>Gracilaria</em> in an unproductive pond with 25x25 cm planting distance may improve production.</p> <p>Keywords : non-productive ponds, planting distance, <em>Gracilaria</em></p> <p> </p> <p>ABSTRAK</p> <p>Pemanfaatan tambak udang yang tidak produktif untuk budidaya <em>Gracilaria</em> merupakan salah satu strategi yang dapat dilakukan untuk mencapai target produksi rumpul laut. Penelitian ini dilakukan untuk mengetahui pengaruh jarak tanam yang berbeda terhadap pertumbuhan <em>Gracilaria</em> di tambak.  Gracilaria ditanam terpisah dengan jarak 20x20 cm; 25x25 cm; 30x30 cm dan 35x35 cm di tambak selama 45 hari pemeliharaan.  Pertumbuhan relatif dan panjang thalus diukur untuk memperoleh jarak tanam yang optimal.  Hasil penelitian menunjukkan bahwa jarak tanam 25x25 cm memberikan pertumbuhan relatif (137.8%) dan pertambahan panjang thalus (15.3%) tertinggi dibandingkan dengan perlakuan lainnya. Dengan demikian, budidaya <em>Gracilaria</em> di tambak tidak produktif dengan jarak tanam 25x25 xm diduga sangat membantu untuk mencapai target produksi rumput laut.</p> <p>Kata kunci : tambak non-produktif, jarak tanam, Gracilaria</p>
url http://journal.ipb.ac.id/index.php/jai/article/view/4099
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