Morphological and genetic variabilities of Fusarium species isolated from kenaf

The objectives of this study were to identify the Fusarium species associated with kenaf based on morphological, pathological and genetic characteristics. Twenty isolates of Fusarium were obtained from root, leaf and stem of kenaf in Kuala Terengganu, Malaysia. All Fusarium isolates were identified,...

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Main Authors: Mohd Zainuddin, Nur Ain Izzati, Z., Mohd Aizat, Mohd Sidique, Siti Nordahliawate, I., Mat Rasid
Format: Article
Published: Malaysian Society of Applied Biology 2014
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author Mohd Zainuddin, Nur Ain Izzati
Z., Mohd Aizat
Mohd Sidique, Siti Nordahliawate
I., Mat Rasid
author_facet Mohd Zainuddin, Nur Ain Izzati
Z., Mohd Aizat
Mohd Sidique, Siti Nordahliawate
I., Mat Rasid
author_sort Mohd Zainuddin, Nur Ain Izzati
collection UPM
description The objectives of this study were to identify the Fusarium species associated with kenaf based on morphological, pathological and genetic characteristics. Twenty isolates of Fusarium were obtained from root, leaf and stem of kenaf in Kuala Terengganu, Malaysia. All Fusarium isolates were identified, and classified into four species such as F. oxysporum, F. proliferatum, F. semitectum and F. solani. Based on pathogenicity test, F. oxysporum was only pathogenic and caused Fusarium wilt disease in kenaf based on disease severity index (DSI), plant height and dry weight of plant. For vegetative compatibility groups (VCGs) study, 217 nitrate non-utilizing (nit) mutants were generated with nit1 was the highest mutants recovered. All the species are genetically diverse reflected from the VCG multiple groups. F. oxysporum isolates were grouped into 5 VCGs, F. proliferatum in 3 VCGs and F. semitectum in 4 VCGs. Fusarium species isolated from kenaf were diverse based on morphology and vegetative compatibility, however only F. oxysporum caused Fusarium wilt disease.
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spelling upm.eprints-345992015-12-16T03:34:07Z http://psasir.upm.edu.my/id/eprint/34599/ Morphological and genetic variabilities of Fusarium species isolated from kenaf Mohd Zainuddin, Nur Ain Izzati Z., Mohd Aizat Mohd Sidique, Siti Nordahliawate I., Mat Rasid The objectives of this study were to identify the Fusarium species associated with kenaf based on morphological, pathological and genetic characteristics. Twenty isolates of Fusarium were obtained from root, leaf and stem of kenaf in Kuala Terengganu, Malaysia. All Fusarium isolates were identified, and classified into four species such as F. oxysporum, F. proliferatum, F. semitectum and F. solani. Based on pathogenicity test, F. oxysporum was only pathogenic and caused Fusarium wilt disease in kenaf based on disease severity index (DSI), plant height and dry weight of plant. For vegetative compatibility groups (VCGs) study, 217 nitrate non-utilizing (nit) mutants were generated with nit1 was the highest mutants recovered. All the species are genetically diverse reflected from the VCG multiple groups. F. oxysporum isolates were grouped into 5 VCGs, F. proliferatum in 3 VCGs and F. semitectum in 4 VCGs. Fusarium species isolated from kenaf were diverse based on morphology and vegetative compatibility, however only F. oxysporum caused Fusarium wilt disease. Malaysian Society of Applied Biology 2014 Article PeerReviewed Mohd Zainuddin, Nur Ain Izzati and Z., Mohd Aizat and Mohd Sidique, Siti Nordahliawate and I., Mat Rasid (2014) Morphological and genetic variabilities of Fusarium species isolated from kenaf. Malaysian Applied Biology, 43 (1). pp. 13-20. ISSN 0126-8643 http://mabjournal.com/index.php?option=com_content&view=article&id=446&catid=59:current-view&Itemid=56
spellingShingle Mohd Zainuddin, Nur Ain Izzati
Z., Mohd Aizat
Mohd Sidique, Siti Nordahliawate
I., Mat Rasid
Morphological and genetic variabilities of Fusarium species isolated from kenaf
title Morphological and genetic variabilities of Fusarium species isolated from kenaf
title_full Morphological and genetic variabilities of Fusarium species isolated from kenaf
title_fullStr Morphological and genetic variabilities of Fusarium species isolated from kenaf
title_full_unstemmed Morphological and genetic variabilities of Fusarium species isolated from kenaf
title_short Morphological and genetic variabilities of Fusarium species isolated from kenaf
title_sort morphological and genetic variabilities of fusarium species isolated from kenaf
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AT imatrasid morphologicalandgeneticvariabilitiesoffusariumspeciesisolatedfromkenaf