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All Journal Microbiology Indonesia Agrovigor: Jurnal Agroekoteknologi Biota Bioeksperimen: Jurnal Penelitian Biologi PENA SAINS E-Dimas: Jurnal Pengabdian kepada Masyarakat BIOTROPIC The Journal of Tropical Biology Biosel: Biologi Science and Education JURNAL PENGABDIAN KEPADA MASYARAKAT GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Jurnal Pembelajaran dan Biologi Nukleus Advances in Tropical Biodiversity and Environmental Sciences Journal of Herbal, Clinical and Pharmaceutical Science (HERCLIPS) Edumedia: Jurnal Keguruan dan Ilmu Pendidikan Bioscientist : Jurnal Ilmiah Biologi International Journal of Engineering, Science and Information Technology DedikasiMU: Journal of Community Service Pakem : Jurnal Pengabdian Kepada Masyarakat Agrikan: Jurnal Agribisnis Perikanan Journal of Biodiversity and Biotechnology Biology Natural Resources Journal Abdisembrani: Jurnal Pengabdian Masyarakat
Sriwulan, Sriwulan
Universitas PGRI Ronggolawe
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Journal : PENA SAINS

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APPROPRIATE DOSE OF PGPR ANTIFUNGAL TO INHIBIT FUNGI THAT CAUSE ROTTEN ON THE RHIZOME OF RED GINGER (Zingiber officinale var. Rubra) Sriwulan Sriwulan; Hesti Kurniahu; Riska Andriani
JURNAL PENA SAINS Vol 6, No 2 (2019): Jurnal Pena Sains
Publisher : Program Studi Pendidikan IPA, Fakultas Ilmu Pendidikan, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jps.v6i2.6019

Abstract

Red ginger (Zingiber officinale var. Rubra) is one of the leading commodities producing essential oils and oleoresins. In red ginger cultivation, several obstacles were encountered, including the fungus attack, which caused rotten rhizome, so that the nursery process failed. Generally, fungicides are given to control the fungus. However, chemical fungicides can harm health and the environment. Therefore natural environment fungicides are needed. PGPR has antifungal activity.  It can use as a natural fungicide. This study aims to determine the antifungal activity of PGPR against fungi that cause rotten red ginger rhizomes in the nursery process using doses of 0%, 25%, 50%, 75%, and 100%. The results, the 75% PGPR dose, give the highest average inhibitory zone to fungi causing rhizome in red ginger but not significantly different from the 100% dose. Furthermore, at a dose of 75%, the resistance of fungal growth amounted to 26.7%. The use of PGPR at appropriate dosages will induce the growth of fungi that cause rot in the rhizome of Red Ginger.
THE RHIZOSPHERE PGPR GRAMINEAE APPLICATION ON THE GROWTH RED GINGER (Zingiber officinale Var. Rubrum) Hesti Kurniahu
JURNAL PENA SAINS Vol 4, No 2 (2017): JURNAL PENA SAINS
Publisher : Program Studi Pendidikan IPA, Fakultas Ilmu Pendidikan, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jps.v4i2.3208

Abstract

PGPR (Plant Growth Promoting Rhizobacteria) is a group of bacteria that colonize in the area of the rhizosphere. These groups of bacteria favor plant growth because they are able to mobilize and provide nutrients and phytohormones. The ability of the bacterial group can be utilized as a growth regulator in the red ginger nursery (Z. officinale Var Rubrum). This study aims to determine the optimal dosage of PGPR for the growth of red ginger seed (Z. officinale Var Rubrum). In this study, red ginger rhizome (Z. officinale Var Rubrum) was soaked with various concentrations of PGPR ie 0%, 25%, 50%, 75% and 100%. The results of this study indicate that soaking rhizomes using PGPR solution significantly influence the growth of red ginger seeds in the form of high seedlings, the number of shoots grow, the number of leaves and the mass of seedlings. A 25% dose has a better ability to boost the growth of seeds when compared to other doses.Keywords: Zingiber officinale Var. Rubrum, PGR, Phytohormone.
Co-Authors Abdul Wahid Nuruddin Abdul Wahid Nuruddin Afthoni Nur Fuadi Ahmad Yogi Pambudi Alfariza Alfariza Anggraeni, Widi Meisya Anggraini, Susanti Dhini Annisa Rahmawati Annisa Rahmawati Annisa Rahmawati Arifin, Ahmad Zaenal Avivi Nur Aina Avivi Nur Aina Chusnul Khotimah Diah Ayu Safitri Dian Asrofi Dwi Oktafitria Dwi Oktafitria Dwi Oktafitria Dwi Oktafitria Dwi Oktafitria Eko Purnomo Eko Purnomo eko purnomo Eko Purnomo Eko Purnomo Eko Purnomo Ernata Dian Pratika Evie Lutfiah Fabella Eka Fulyani Fathul Abib Hana Dwi Andayani Imas Cintamulya Indra Wirawan Isaiah Imam Mawardi Isaiah Imam Murtadho Kuntum Febriyantiningrum Kurniahu, Hesti Marita Ika Joesidawati Nadia Puspita Maya Ni'matur Rohmah Nia Nurfitria Nova Maulidina Riska Andriani Rizqi Tri Bachtiar Rodliyah, Nur Afifatur Sejati, Wahyu Sukma Siti Aisah Supiana Dian Nurtjahyani Supiana Dian Nurtjahyani Supiana Dian Nurtjahyani Susanti Dhini Anggraini Susanti Dhini Anggraini Susanti Dhini Anggraini Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Tita Dewi Fitriani Tri Suseno Ummu Rosyidah Witnawati Witnawati Yuni Alina