Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia

Mangrove health is very important for the ecosystem to survive the challenges and threats due to climate change and anthropogenic pressures. However, unhealthy mangroves due to pathogenic fungi causing diseases may demote the survival rate of younger plants to grow and information on the status of...

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Main Authors: Sahibu A., Siti Nordahliawate M.S.S., Abdullah M.M.
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2020
Online Access:http://journalarticle.ukm.my/17239/
http://journalarticle.ukm.my/17239/1/49_04_24.pdf
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author Sahibu A.,
Siti Nordahliawate M.S.S.,
Abdullah M.M.,
author_facet Sahibu A.,
Siti Nordahliawate M.S.S.,
Abdullah M.M.,
author_sort Sahibu A.,
building UKM Institutional Repository
collection Online Access
description Mangrove health is very important for the ecosystem to survive the challenges and threats due to climate change and anthropogenic pressures. However, unhealthy mangroves due to pathogenic fungi causing diseases may demote the survival rate of younger plants to grow and information on the status of foliar disease incidence is limited. This study aimed 1) to observe the foliar disease symptoms that occurred on Rhizophora apiculata and Avicennia marina and 2) to identify the fungi isolated from the symptomatic leaves. Samples were collected from the mangrove area located in Universiti Malaysia Terengganu (UMT) campus, along the South China Sea. All isolates were identified based on their morphological characteristics. A total of five foliar disease symptoms were observed namely black leaf spot, grey leaf spot, leaf rot, sunken leaf blight, and anthracnose. Rhizophora apiculata has a greater number of leaf spots than A. marina. Four genera of fungi; Pestalotiopsis sp., Curvularia sp., Colletotrichum sp. and Rhizopus sp. were successfully isolated from symptomatic leaves where the most dominant was Pestalotiopsis sp. to both mangrove species. This finding g highlights the need to obtain the status of foliar diseases and their impact on the resilience of mangroves in Malaysia.
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spelling oai:generic.eprints.org:172392021-07-29T03:41:08Z http://journalarticle.ukm.my/17239/ Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia Sahibu A., Siti Nordahliawate M.S.S., Abdullah M.M., Mangrove health is very important for the ecosystem to survive the challenges and threats due to climate change and anthropogenic pressures. However, unhealthy mangroves due to pathogenic fungi causing diseases may demote the survival rate of younger plants to grow and information on the status of foliar disease incidence is limited. This study aimed 1) to observe the foliar disease symptoms that occurred on Rhizophora apiculata and Avicennia marina and 2) to identify the fungi isolated from the symptomatic leaves. Samples were collected from the mangrove area located in Universiti Malaysia Terengganu (UMT) campus, along the South China Sea. All isolates were identified based on their morphological characteristics. A total of five foliar disease symptoms were observed namely black leaf spot, grey leaf spot, leaf rot, sunken leaf blight, and anthracnose. Rhizophora apiculata has a greater number of leaf spots than A. marina. Four genera of fungi; Pestalotiopsis sp., Curvularia sp., Colletotrichum sp. and Rhizopus sp. were successfully isolated from symptomatic leaves where the most dominant was Pestalotiopsis sp. to both mangrove species. This finding g highlights the need to obtain the status of foliar diseases and their impact on the resilience of mangroves in Malaysia. Penerbit Universiti Kebangsaan Malaysia 2020 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/17239/1/49_04_24.pdf Sahibu A., and Siti Nordahliawate M.S.S., and Abdullah M.M., (2020) Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia. Malaysian Applied Biology, 49 (4). pp. 181-186. ISSN 0126-8643 http://www.mabjournal.com/index.php?option=com_content&view=article&id=1070&catid=59:current-view&Itemid=56
spellingShingle Sahibu A.,
Siti Nordahliawate M.S.S.,
Abdullah M.M.,
Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title_full Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title_fullStr Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title_full_unstemmed Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title_short Presence of foliar diseases caused by fungi in mangroves on the East Coast of Peninsular Malaysia
title_sort presence of foliar diseases caused by fungi in mangroves on the east coast of peninsular malaysia
url http://journalarticle.ukm.my/17239/
http://journalarticle.ukm.my/17239/
http://journalarticle.ukm.my/17239/1/49_04_24.pdf