Centraalbureau voor Schimmelcultures, Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, the Netherlands.
Persoonia. 2011 Dec;27:73-9. doi: 10.3767/003158511X615086. Epub 2011 Nov 18.
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.
胶孢炭疽菌属是苗圃中观赏植物的重要病原菌，特别是在北半球。它们通常与广泛的根、叶和茎部疾病症状有关。在突尼斯最近的一次调查中，从表现叶斑、冠部和根腐病症状的观赏植物组织中分离出了一些胶孢炭疽菌属。本研究的目的是使用形态学和 DNA 序列比较来鉴定这些胶孢炭疽菌属。鉴定出了两种以前未描述的胶孢炭疽菌属，即拟墨西哥胶孢炭疽菌和突尼斯胶孢炭疽菌。墨西哥胶孢炭疽菌和波里齐胶孢炭疽菌是非洲大陆新报告的物种。对所有四种胶孢炭疽菌属的致病性测试表明，它们能够引起虾脊兰属、鹅掌柴属、桃金娘属和桃金娘属幼苗发病。
