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Identification of Potential Pathogen Bacteria Causing Tuber Rot in Porang (Amorphophallus muelleri Blume)

Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences · Vol. 10 No. 2 (2020) · hlm. 99–104

DOI
10.11594/jtls.10.02.02
ISSN
2527-4376, 2087-5517
Terbit
2020-04-29
Penerbit
Journal of Tropical Life Science
Bahasa
eng

Abstrak

Tuber rot has been reported as one of the limiting factors to porang (Amorphophallus muelleri Blume) tuber production. Bacterial infection is one of the main causes of tuber rot during storage. In this study, a total of seven bacterial isolates obtained from porang tubers were tested for their potency to cause rotting on porang tubers. Porang tubers were immersed in bacterial suspension and incubated for 14 days. The physical properties of the tubers such as texture and color, and the chemical properties such as reducing sugar and ethanol content were determined at the end of incubation period. All infected tubers were soft, slimy and darker. Two isolates, T4 and T9A, had the highest potency to cause tuber rot indicated by the significantly higher reducing sugar content (14.38 and 15.32 mg/ml) and higher ethanol content (32.17 and 35.05%) compared to control tubers which were not infected with bacteria. Both isolates were identified as Bacillus altitudinis and Pseudomonas stutzeri, respectively, based on 16S rDNA sequence analysis.

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  • University of Brawijaya
  • STMIK AMIKOM Surakarta
  • Universitas Amikom Yogyakarta
  • Indonesian Institute of Sciences
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Rekan penulisOrganisasiArtikel bersama
Amin Setyo LeksonoUniversity of Brawijaya2
Herawati HerawatiUniversity of Brawijaya2
Yoga Dwi JatmikoAfiliasi tidak diketahui2
Estri Laras ArumingtyasAfiliasi tidak diketahui2
Suharjono SuharjonoAfiliasi tidak diketahui2
Moch. Hari PurwidiantoroSTMIK AMIKOM Surakarta1
Tinuk AgustinSTMIK AMIKOM Surakarta1
Riska Putri QurotaayuinaUniversity of Brawijaya1
Amin Setyo LeksonoAfiliasi tidak diketahui1
Wildania Putri AgustinaAfiliasi tidak diketahui1
Marsa SalsabilaAfiliasi tidak diketahui1
Nabila Fitri RosyidaAfiliasi tidak diketahui1
Riska Putri QurotaayuninaAfiliasi tidak diketahui1
Nia KurniawanAfiliasi tidak diketahui1
Anisa ZairinaAfiliasi tidak diketahui1
Hakan BozdoğanAfiliasi tidak diketahui1
Evi OctavianyAfiliasi tidak diketahui1
Elsa Mega SuryaniAfiliasi tidak diketahui1
Hikmah MaulidiyahAfiliasi tidak diketahui1
Salam A. IbrahimAfiliasi tidak diketahui1
NurjanahAfiliasi tidak diketahui1
Binawati GintingAfiliasi tidak diketahui1
Ilham MaulanaAfiliasi tidak diketahui1
Tasya UlfikaAfiliasi tidak diketahui1
Dian SiswantoUniversity of Brawijaya1
Idham Halil ZakariaAfiliasi tidak diketahui1
Siti Mariyah UlfaAfiliasi tidak diketahui1
Anna SafitriAfiliasi tidak diketahui1
Nishia Waya MerayAfiliasi tidak diketahui1
Dewi Ayu LestariIndonesian Institute of Sciences1
H. HendrianAfiliasi tidak diketahui1
Sri WidyartiAfiliasi tidak diketahui1
Nunung HarijatiAfiliasi tidak diketahui1
Syukria I ZamAfiliasi tidak diketahui1
Jehan Ramdani HaryatiAfiliasi tidak diketahui1
Didik WahyudiAfiliasi tidak diketahui1
Isna Arofatun NikmahAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jtrolis.ub.ac.id/index.php/jtrolis/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Identification of Potential Pathogen Bacteria Causing Tuber Rot in Porang (Amorphophallus muelleri Blume)</dc:title>
	<dc:creator xml:lang="en">Aini, Afifah Nur</dc:creator>
	<dc:creator xml:lang="en">Azrianingsih, Rodiyati</dc:creator>
	<dc:creator xml:lang="en">Mustafa, Irfan</dc:creator>
	<dc:subject xml:lang="en">Amorphophallus muelleri</dc:subject>
	<dc:subject xml:lang="en">pathogen bacteria</dc:subject>
	<dc:subject xml:lang="en">tuber rot</dc:subject>
	<dc:subject xml:lang="en">porang</dc:subject>
	<dc:description xml:lang="en">Tuber rot has been reported as one of the limiting factors to porang (Amorphophallus muelleri Blume) tuber production. Bacterial infection is one of the main causes of tuber rot during storage. In this study, a total of seven bacterial isolates obtained from porang tubers were tested for their potency to cause rotting on porang tubers. Porang tubers were immersed in bacterial suspension and incubated for 14 days. The physical properties of the tubers such as texture and color, and the chemical properties such as reducing sugar and ethanol content were determined at the end of incubation period. All infected tubers were soft, slimy and darker. Two isolates, T4 and T9A, had the highest potency to cause tuber rot indicated by the significantly higher reducing sugar content (14.38 and 15.32 mg/ml) and higher ethanol content (32.17 and 35.05%) compared to control tubers which were not infected with bacteria. Both isolates were identified as Bacillus altitudinis and Pseudomonas stutzeri, respectively, based on 16S rDNA sequence analysis.</dc:description>
	<dc:publisher xml:lang="en">Journal of Tropical Life Science</dc:publisher>
	<dc:date>2020-04-29</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jtrolis.ub.ac.id/index.php/jtrolis/article/view/1238</dc:identifier>
	<dc:identifier>10.11594/jtls.10.02.02</dc:identifier>
	<dc:source xml:lang="en">Journal of Tropical Life Science; Vol. 10 No. 2 (2020); 99 - 104</dc:source>
	<dc:source>2527-4376</dc:source>
	<dc:source>2087-5517</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jtrolis.ub.ac.id/index.php/jtrolis/article/view/1238/pdf</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2020 Journal of Tropical Life Science</dc:rights>
</oai_dc:dc>