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The Morphological characteristics of Porang (Amorphophallus muelleri Blume) in Timor-Leste and their correlation with the climatic conditions: Amorphophallus muelleri Blume in Timor-Leste

Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences · Vol. 14 No. 3 (2024) · hlm. 651–662

DOI
10.11594/jtls.14.03.20
ISSN
2527-4376, 2087-5517
Terbit
2024-11-21
Penerbit
Journal of Tropical Life Science
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Porang (Amorphophallus muelleri Blume) is native to the forests of Timor-Leste, with cultivation starting in 2017. This study examined the morphological characteristics and nutrient content of porang from six gardens across Timor-Leste, assessing relationships with climatic factors. Various morphological traits and climate variables, including elevation, were measured. Nutrient analysis of porang tubers utilized chromatographic and mass spectrometric techniques, while principal component analysis helped identify links between morphology, nutrient content, and abiotic factors. Despite some qualitative similarities, such as colour and leaf patterns, significant differences were noted in measurable traits. Findings indicated that environmental conditions significantly influenced porang growth. For instance, higher air humidity in the Bobonaro District positively affected plant height and canopy width. In contrast, elevated temperatures and soil conductivity in the Liquiça District influenced leaf venation. The Aileu District exhibited the highest bulbil abundance, while larger tubers were found in the Ermera District, which is at a higher elevation. The Manufahi District had rich organic carbon content, and porang in Manatuto, with higher soil pH, produced more bulbils. However, drought conditions in Manatuto led to moisture loss and partial tuber decay. The highest glucomannan concentration was found in tubers from Bobonaro (10.25%), followed by Liquiça (9.87%) and Ermera (9.81%). Overall, environmental factors like elevation, soil temperature, and humidity significantly impacted porang characteristics and yield.

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  • University of Brawijaya
  • Indonesian Institute of Sciences
  • National University of East Timor
  • Universitas Islam Negeri Maulana Malik Ibrahim
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  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
Amin Setyo LeksonoUniversity of Brawijaya2
Herawati HerawatiUniversity of Brawijaya2
Riska Putri QurotaayuinaUniversity of Brawijaya1
Dewi Ayu LestariIndonesian Institute of Sciences1
HENDRIAN HENDRIANIndonesian Institute of Sciences1
Sri WidyartiAfiliasi tidak diketahui1
Nunung HarijatiAfiliasi tidak diketahui1
Jehan Ramdani HaryatiAfiliasi tidak diketahui1
Didik WahyudiUniversitas Islam Negeri Maulana Malik Ibrahim1
Isna Arofatun NikmahUniversity of Brawijaya1
Suharjono SuharjonoAfiliasi tidak diketahui1
Nindi Nazula FajariniAfiliasi tidak diketahui1
Luchman HakimUniversity of Brawijaya1
Estri Laras ArumingtyasAfiliasi tidak diketahui1
Filza Yulina AdeAfiliasi tidak diketahui1
Irfan MustafaUniversity of Brawijaya1
Afifah Nur AiniUniversity of Brawijaya1
Estri Laras ArumingtyasUniversity of Brawijaya1
Riza Nensy MarantikaUniversity of Brawijaya1

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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">The Morphological characteristics of Porang (Amorphophallus muelleri  Blume) in Timor-Leste and their correlation with the climatic conditions: Amorphophallus muelleri Blume in Timor-Leste</dc:title>
	<dc:creator xml:lang="en">de Deus da Cruz, Nice</dc:creator>
	<dc:creator xml:lang="en">Azrianingsih , Rodiyati</dc:creator>
	<dc:creator xml:lang="en">Ribeiro da Costa, Hermenegildo</dc:creator>
	<dc:subject xml:lang="en">Climatic factors</dc:subject>
	<dc:subject xml:lang="en">Glucomannan</dc:subject>
	<dc:subject xml:lang="en"> Morphology</dc:subject>
	<dc:subject xml:lang="en">Nutrition</dc:subject>
	<dc:subject xml:lang="en"> Yellow konjac</dc:subject>
	<dc:description xml:lang="en">Porang (Amorphophallus muelleri Blume) is native to the forests of Timor-Leste, with cultivation starting in 2017. This study examined the morphological characteristics and nutrient content of porang from six gardens across Timor-Leste, assessing relationships with climatic factors. Various morphological traits and climate variables, including elevation, were measured. Nutrient analysis of porang tubers utilized chromatographic and mass spectrometric techniques, while principal component analysis helped identify links between morphology, nutrient content, and abiotic factors. Despite some qualitative similarities, such as colour and leaf patterns, significant differences were noted in measurable traits. Findings indicated that environmental conditions significantly influenced porang growth. For instance, higher air humidity in the Bobonaro District positively affected plant height and canopy width. In contrast, elevated temperatures and soil conductivity in the Liquiça District influenced leaf venation. The Aileu District exhibited the highest bulbil abundance, while larger tubers were found in the Ermera District, which is at a higher elevation. The Manufahi District had rich organic carbon content, and porang in Manatuto, with higher soil pH, produced more bulbils. However, drought conditions in Manatuto led to moisture loss and partial tuber decay. The highest glucomannan concentration was found in tubers from Bobonaro (10.25%), followed by Liquiça (9.87%) and Ermera (9.81%). Overall, environmental factors like elevation, soil temperature, and humidity significantly impacted porang characteristics and yield.</dc:description>
	<dc:publisher xml:lang="en">Journal of Tropical Life Science</dc:publisher>
	<dc:date>2024-11-21</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/3059</dc:identifier>
	<dc:identifier>10.11594/jtls.14.03.20</dc:identifier>
	<dc:source xml:lang="en">Journal of Tropical Life Science; Vol. 14 No. 3 (2024); 651 – 662</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/3059/770</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2024 Journal of Tropical Life Science</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>