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Journal : Jurnal Perikanan dan Kelautan

Short Communication: Phytohormone Quantification of Kappaphycus alvarezii at Different Cultivated Ages Andayani, Sri; Cokrowati, Nunik; Risjani, Yenny; Firdaus, Muhammad
Jurnal Perikanan dan Kelautan Vol. 28 No. 1 (2023): February
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Kappaphycus alvarezii is used in industry as a food ingredient, a source of hydrocolloids, cosmetics, food additives, animal feed, fertilizers, biofuels, and medicinal ingredients. K.alvarezii is cultivated in several areas in Indonesia, including on the island of Lombok. The production of K.alvarezii is related to its growth and it is related to its phytohormones. K.alvarezii cultivated in Lombok is currently not known for its composition and amount of phytohormones. The content of phytohormones at different planting ages is of course different. The purpose of this study was to determine the number of phytohormones in seaweed K. alvarezii at different planting ages. This study conducted in Ekas Bay, Lombok, Nusa Tenggara Barat from June to December 2020. The study used experimental methods and descriptive data analysis. The results of this study explain that currently cultivated K. alvarezii contains cytokinins, auxins and gibberellins. Cytokinins obtained on the 9th day of planting were 11.62 ppm and increased on the 18th day to 12.34 ppm. At the next planting age, it continued to decrease on the 27th day to 11.43 ppm and at harvest time, the 45th day of 10.69 ppm. Auxin detected in the seeds used was 644.93 ppm, on the 27th day of 14.27 ppm and the 36th day of 1078.25 ppm. Giberilin was detected on the 9th day at 0.49 ppm. This study concluded that K. alvarezii at different planting ages had different phytohormones content.
Effect of Temperature on Larval Quality and Growth Gouramy (Osphronemus gouramy) Hidayah, Nurul; Cokrowati, Nunik; Mukhlis, Alis
Jurnal Perikanan dan Kelautan Vol. 27 No. 2 (2022): June
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Gouramy (Osphronemus gouramy) is a freshwater fishery commodity with a large enough demand and a fairly expensive price compared to other freshwater fish. The purpose of this study was to determine the effect of temperature on larval quality and growth of gouramy fry. The research method used is an experimental method using a Completely Randomized Design (CRD) consisting of two treatments of water media temperature, namely 1) Treatment A = The temperature of the media follows room temperature (control treatment), and 2) Treatment B = The temperature of the medium was set constant at a temperature of 30ᵒC. Each treatment was repeated six times to obtain 12 experimental units. Research parameter data were analyzed statistically using variance (ANOVA) at a 95% confidence level using the t-test. The results showed that the degree of hatching of gouramy eggs, larval size, absolute growth, relative growth, daily specific growth rate and survival rate of gouramy larvae at room temperature and 30°C were 90.38% and 98, respectively. 76%; 0.54 cm and 0.66 cm; 0.86 cm and 0.87 cm; 157.52% and 133.26%; 3.99% and 3.58%; and 74.78% and 91.22%. The study concluded that eggs incubated at room temperature (25-28°C) and 30°C gave significantly different effects on hatching rates and post-hatching larvae size. Larval rearing at room temperature and 30°C gave no significant effect on absolute growth but significantly different on relative growth, daily specific growth rate and survival rate
Co-Authors A Rahman Abd Saddam Mujib Abidin, Z Adamiah, Rabiatun Abi Agun Permata Sari agung Suryanto Ahmad Ahmad Aimin, Almu Aini, Kuratul Alis Mukhlis Aluh Nikmatullah ALUH NIKMATULLAH Aluh Nikmatullah Alvia, Sakila Amrina Rossada, Rizky Andre Rachmat Scabra Andriani, Sumiyati Anggraini, Irika Devi Antika, Rendi Aprilia, Nulia Angga Apriliyanti, Fisma Apriliyanti, Fisma Josara Ardyen Saputra, Ardyen Arziahningsih Arziahningsih Asri, Yuliana Astuti, Nur Anggraeni Asya, Beuty Auliah, Jami'atul Ayu Adhita Damayanti Ayu Diamahesa, Wastu Ayuningsih Ria Sapitri Bagus Dwi Hari Setyono Baiq Hilda Astriana Baiq Hilda Astriana Baiq Hilda Astriana Baiq Hilda Astriana, Baiq Hilda Baiq Nadia Dwi Yulihastiana Baiq Sri Ismariani Baiq Suherna Suriani Bambang Ali Akbar Chandrika Eka Larasati, Chandrika Eka Dewi N. Setyowati Dewi Nur’aeni Setyowati Dewi Nur’aeni Setyowati Dewi Nur’aeni Setyowati Dewi Putri Lestari, Dewi Putri Diamahesa, Wastu Ayu Diana Arfiati Dina, Karina Farkha Diniariwisan, Damai Dwi Agustina Dwiyanti, Septiana Edi Sulman Endah Wahyuningsih Erwansyah, Erwansyah Fachrurizal Amri Maulana Fatimah, Syifa Fisma Josara Apriliyanti Fitriani Fitriani Fitriani, Syawalina Hajar, St. Hanan, Nasril Hardawiansyah, Hardawiansyah Hendriawan, Rizki Hery Widijanto Husna, Mardiatul Ihsan Fadilulhak Ilyas, Anita Prihatin Iman, Atifatul Irfani, Febriana Islam, Prasetyo Fajar Izzati, Amaeliya Jalila, Riza Sofia Jamal Basmal, Jamal Jayusri, Jayusri Joko Priyono Joko Priyono Jum'at, Muhammad Junaidi, Muhammad Karina Farkha Dina Kholilah, Nenik Laily Fitriani Mulyani Laily Fitriani Mulyani Laily Fitriani Mulyani lalu Yayan Nigar Luh Putu Mitha Dhila Endraswari Lumbessy, Salnida Yuniarti M. Zohri Maedi Mahdalena Marno, Septhian Maulana, Fachrurizal Amri Muahidah, Nuri Muhammad Faris, Muhammad Muhammad Firdaus Muhammad Junaidi Muhammad Junaidi Muhammad Junaidi Muhammad Marzuki Muhammad Marzuki Muhammad Sumsanto Muhammad Supiandi Muhammad Supriyadin Muhammad Syafii Mulyani, Laily Fitriani Mursal Ghazali Musafir Nanda Diniarti Nanik Tri Purwaningsih Nigar, lalu Yayan Nihla Farida Ningsih, Shinta Wahyu Nisa, Baiq Haerun Nur’aeni setyowati, Dewi Nuri Muahiddah Nurliah Buhari Nurliah Buhari, Nurliah NURUL HIDAYAH Nuryatin Nuryatin, Nuryatin Oktaviani, Tannia Rosali Oktavianti, Velita P Paryono Paryono Paryono . Pebriata, M. Nurdian Permata Sari, Agun Pilo Prasedya, Eka Sunarwidhi Purwaningsih, Nanik Tri Putra, Aryan Perdana Putra, Muhammad Maizi Diploma Putri Dwi Aryanti Putri, Marselia Aisyah Rafif, M. Roid Al Rahmadani, Thoy Batun Citra Rahman, Ibadur Rahmatullah, Sanca Rahmawanti, Sinta Rahmi Sri Ramadhani Ramadhan, Muhammad Arif Rangga Idris Affandi Rhojim Wahyudi Riatulhilal Rifaid Rifaid Rifaid, Rifaid RINA KURNIANINGSIH Rinto Basuki Rio Ary Sudarmawan Riza Sofia Jalila Rosalina Rovi Ratna Sari Rukmini Kusmarwiyah Rukmini Kusmarwiyah Rusdani, Muhammad Masyarul Rusman . Rusman Rusman Rusmin Nuryadin S Sunarpi Sadikin Amir Safira, Devita Safitri, Iin Safitri, Wiwin Sahendra, Satria Ari Sahrul Alim Saptono Waspodo Saputra, Rivaldi Ananda Satria Ari Sahendra Sa’ban, M. Iman Nichfu Sa’ban, Muhammad Iman Nichfu Setyowati, Dewi Nur'aeni Setyowati, Dewi Nur’aeni Setyowati, Dewi Nur’aeni Shofiyatul Lailiyah Sinta Rahmawanti Sitti Hilyana Sitti Hilyana Slamet Suprayogi Soliyanti Sri Andayani Sri Ismariani, Baiq Sugma, Lara Suhdi, Suhdi Suhendri, Salwa Sukartono sukriadi sukriadi Sulman, Edi Sunaryo Sunaryo Supiandi, Muhammad Supiandi, Supiandi Supriadin Supriadin supriadin supriadin Supriyadin, Muhammad Suriani, Baiq Suherna SUWARTI Syahruni, Fajar Tri Oktaviani Utami, Wiyat Zahroh Sepia Velita Oktavianti W Wulandari Waang, Dinda Christasya WAHYU FIRMANSYAH Wahyudi Rahmat Wila Lailatul Hulpa Yanti, Septiana Dwi Yasir Yatin, Nur Yenny Risjani Yonita, Nuansa Azma Yulihastiana, Baiq Nadia Dwi Yuniarlin Hilmi Farnani Yuniarti Lumbessy, Salnida Yuyun Arfah Zaenal Abidin Zaenal Abidin Zohri, M.