Calonectria spp. causing leaf spot, crown and root rot of ornamental plants in Tunisia

被引：29
|
作者：
Lombard, L. [2 ]
Polizzi, G. [1 ]
Guarnaccia, V. [1 ]
Vitale, A. [1 ]
Crous, P. W. [2 ]
机构：
[1] Univ Catania, Dipartimento Gest Sistemi Agroalimentari & Ambien, Sez Patol Vegetale, I-95123 Catania, Italy
[2] Fungal Biodivers Ctr, Centraalbur Schimmelcultures, NL-3584 CT Utrecht, Netherlands
来源：
PERSOONIA | 2011年 / 27卷
关键词：
Calonectria; crown and root rot; DNA phylogeny; leaf spot; pathogenicity; systematics; CYLINDROCLADIUM-PAUCIRAMOSUM; 1ST RECORD; PHYLOGENY; MORGANII; SCOPARIUM; FUSARIUM; BLIGHT;
D O I：
10.3767/003158511X615086
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Calonectria spp. are important pathogens of ornamental plants in nurseries, especially in the Northern Hemisphere. They are commonly associated with a wide range of disease symptoms of roots, leaves and shoots. During a recent survey in Tunisia, a number of Calonectria spp. were isolated from tissues of ornamental plants showing symptoms of leaf spot, crown and root rot. The aim of this study was to identify these Calonectria spp. using morphological and DNA sequence comparisons. Two previously undescribed Calonectria spp., C. pseudomexicana sp. nov. and C. tunisiana sp. nov., were recognised. Calonectria mexicana and C. polizzii are newly reported for the African continent. Pathogenicity tests with all four Calonectria spp. showed that they are able to cause disease on seedlings of Callistemon spp., Dodonaea viscosa, Metrosideros spp. and Myrtus communis.
引用
收藏
页码：73 / 79
页数：7
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