Alternaria capsicicola sp nov., a new species causing leaf spot of pepper (Capsicum annuum) in Malaysia

被引：7
|
作者：
Nasehi, Abbas [1 ]
Bin Kadir, Jugah [1 ]
Ashtiani, Farnaz Abed [1 ]
Nasr-Esfahani, Mehdi [1 ,2 ]
Wong, Mui Yun [1 ,3 ]
Rambe, Siti Khadijah [4 ]
Ghadirian, Hajar [1 ]
Mahmodi, Farshid [1 ]
Golkhandan, Elham [1 ]
机构：
[1] Univ Putra Malaysia, Fac Agr, Dept Plant Protect, Serdang 43400, Selangor Darul, Malaysia
[2] Isfahan Agr & Nat Resources Res Ctr, Plant Pests & Dis Res Inst, Esfahan, Iran
[3] Univ Putra Malaysia, Lab Plantat Crops, Inst Trop Agr, Serdang 43400, Selangor Darul, Malaysia
[4] Univ Putra Malaysia, Lab Biodivers & Conservat, Inst Trop Forestry & Forest Prod INTROP, Serdang 43400, Selangor Darul, Malaysia
来源：
MYCOLOGICAL PROGRESS | 2014年 / 13卷 / 04期
关键词：
Morphological characteristics; Phylogenetic analyses; Systematics; Taxonomy; EMBELLISIA; ULOCLADIUM; NIMBYA; GENUS;
D O I：
10.1007/s11557-014-0991-1
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
A new species of Alternaria causing leaf spot of pepper (Capsicum annuum) obtained from the Cameron highlands, Pahang, Malaysia, was determined based on phylogenetic analyses, morphological characteristics, and pathogenicity assays. Phylogenetic analyses of combined dataset of the glyceraldehyde-3-phosphate dehydrogenase (gpd), Alternaria allergen a 1 (Alt a1) and calmodulin genes revealed that the new isolates clustered into a subclade distinct from the closely related Alternaria species A. tomato and A. burnsii. The solitary or short chains of conidia resemble those of A. burnsii. However, conidia with long beaks are morphologically similar to A. tomato. Hence, the pathogenic fungus is proposed as Alternaria capsicicola sp. nov. Pathogenicity assays indicated that A. capsicicola causes leaf spot on pepper.
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页码：1041 / 1048
页数：8
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