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All Journal Pena Justisia: Media Komunikasi dan Kajian Hukum Jurnal Pembelajaran dan Biologi Nukleus
Suryani, Cicik
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice

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In vitro Growth of Cattleya sp Orchid from Leaf Explants with Growth Regulators Harahap, Fauziyah; Hariyadi, Itra; Silitonga, Melva; Suryani, Cicik; Edi, Syahmi; Ningsih, Ayu Putri
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 9, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2023
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v9i1.3945

Abstract

Using leaf explants, this research aimed at identifying the type of growth response that can be created and the optimal mix of media for the growth of Cattleya sp orchid. This was an experimental investigation employing the RAL method (completely randomized design) with a combination of 2.4-D (0;1; 2; 3 ppm) and Kinetin  (0;0.3;0.6 ppm) repeated three times. According to the results of this study, the growth regulators 2.4-D and kinetin  were unable to promote the development of all explants. Explants transferred to media containing polyvinylpyrrolidone (PVP) to prevent browning after 12 weeks of observation. Then the results of the study also found the emergence of shoots in the treatment P0 (control), P2 (2,4-D 0 + Kinetin  0.6 ppm), P8 (2,4-D 2 + Kinetin  0.6) and P11 (2.4- D 3 + K 0.6 ppm) in the 3rd week of observation, the appearance of callus at P5 (2.4-D 1 + Kinetin  0.6 ppm) in the 4th week of observation
Implementation of Oil Spill Management through Regional Regulations in Sustainable Coastal Environment Management in Bintan Hamzah, A Hadian Pratama; Suryani, Cicik; Nurhasanah, Nurhasanah; Harijati, Sri
Pena Justisia: Media Komunikasi dan Kajian Hukum Vol. 23 No. 1 (2024): Pena Justisia
Publisher : Faculty of Law, Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/pj.v23i1.4737

Abstract

Indonesia is called a maritime country with potential in marine resources, for example capture fisheries and oil and gas deposits at the bottom of the ocean. Apart from its natural resources, Indonesia has sovereignty over territorial seas which include; inland waters, archipelago waters, and territorial seas. This paper focuses on analyzing how regional regulations are implemented in managing oil spills in the coastal environment of Bintan Regency, Riau Islands. This research uses a type of juridical-normative research, also known as doctrinal, with the object or target of the research being statutory regulations and other legal materials. The results obtained show that regional regulations are not yet optimal in managing oil spill issues. In this article there are also good recommendations for stakeholders from both regional and central levels.
Co-Authors A. Hadian Pratama Hamzah Ayu Putri Ningsih Fauziyah Harahap Hariyadi, Itra Melva Silitonga Nurhasanah Nurhasanah Sri Harijati, Sri Syahmi Edi