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All Journal Jurnal Teknologi Perikanan dan Kelautan Indonesian Aquaculture Journal Authentic Research of Global Fisheries Application Journal (Aurelia Journal) MARLIN : Marine and Fisheries Science Technology Journal Journal La Lifesci Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Putra, Angkasa
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Library & Information Science

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Journal : Indonesian Aquaculture Journal

 1 
CALLUS INDUCTION IN Kappaphycus alvarezii USING INDOLE-3-ACETIC ACID (IAA) and 6-BENZYLAMINOPURINE (BAP) FOR SEEDSTOCK DEVELOPMENT Mulyono, Mugi; Salsabila, Mutia Safa; Rasnijal, Muhammad; Fadilah, Siti; Putra, Angkasa
Indonesian Aquaculture Journal Vol 20, No 1 (2025): (June, 2025)
Publisher : Agency for Marine and Fisheries Extension and Human Resources

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/iaj.20.1.2025.1-10

Abstract

The commercially important red seaweed Kappaphycus alvarezii is extensively cultivated for carrageenan production. Despite its economic value, large-scale reproduction and genetic enhancement remain limited due to its low regeneration potential. This study aimed to optimize plant growth regulator (PGR) concentrations for efficient callus induction in K. alvarezii. A completely randomized design was employed, comprising five treatments with varying concentrations of indole-3-acetic acid (IAA) and 6-benzylaminopurine (BAP), along with a control lacking PGRs. A total of 180 explants from meristematic tissues of acclimatized thalli were cultured (30 explants per treatment). The highest callus induction rate (88%) was achieved with 1.50 mg/L IAA and 5 mg/L BAP (Treatment F), with visible callus formation beginning around day 38. A progressive color change from brown to white was observed, indicating active cellular proliferation. Other treatments exhibited lower induction rates, ranging from 0% (control) to 61% (Treatment D). These findings underscore the critical influence of auxin–cytokinin interactions on callogenesis and offer an optimized hormonal regime for improving in vitro culture efficiency. The established protocol provides a valuable platform for future large-scale propagation and genetic improvement strategies in K. alvarezii, contributing to the advancement of seaweed biotechnology.
Co-Authors Abdul Hanan Aditya Bramana, Aditya Alfiazh, Andini Tria Anita Syam Ariana, Made Asaf, Ruzkiah Aulia, Deni Bay, Ambrosius Dominikus Basa Bay Budimawan Budimawan Chairani, Nur Julianti Dwi DEWI SARTIKA Edi Suharyadi Fitria Larasati, Rakhma Hadiwinata, Bagus Hamdani Hamdani Hapsari, Fitriska Hawati, Hawati Hertanto, Dwi Hidayat, Haikal Ilham Ilham Kristiani, Maria Goreti Eny Larasati, Rakhma Fitria Liya Tri Khikmawati, Liya Tri Made Mahendra Jaya Mahardi, I Gusti Ngurah Kadek Hary Maulita, Mira Moh. Fauzi Muhammad Agus Muljanto Mulyono, Mugi Novela, Monica Nugraha, Bayu Adi Nuraini, Yenni Rahmatang, Rahmatang Ramadiansyah, Febry Rasnijal, Muhammad Sabariyah, Nunung Sabariyah, Sabariyah Salsabila, Mutia Safa Samsuardi Samsuardi, Samsuardi Sarifah Aini siti fadilah Sri Wartini Sudino, Dinno Suprakto, Bambang Suriadin, Herianto Syahrul R, Syahrul Syam, Anita Wake, Yohana Dhoe Yuliandri, Rahmat Yumna, Asy Syafa’ Yuniarti, Tatty Yusuf Yusuf