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煤污病菌-圆孢多臂菌Trichomerium gloeosporum的无性型

已有 5284 次阅读 2017-8-7 21:04 |个人分类:研究简报Mycological Study|系统分类:论文交流| 真菌, 植物病害

The asexual morph of Trichomerium gloeosporum

Hongsanan S, Tian Q, Hyde KD, Hu DM*. (2016) Mycosphere 7 (9), 1473–1479

Doi 10.5943/mycosphere/7/9/18   (可免费下载)

       煤污病是植物常见的病害,经常在树叶子上看见一层像被烧煤的烟熏过了一样的黑灰,这种黑灰通常就是煤污病。本研究报道了一种煤污病菌-圆孢多臂菌的无性型。

Abstract: Trichomerium species are sooty molds that develop superficially on the host surface. There is little morphological and molecular data for the genus. The asexual morphs of Trichomerium have been poorly studied, with also lack molecular data. Several researchers have noted that Tripospermum is possibly the asexual morph of Trichomerium species. In this study, we collected Trichomerium like taxa from leaves in northern Thailand. The sexual structures found on the specimen were identified as Trichomerium gloeosporum, and Tripospermum like conidia were also associated with the sexual morph. Cultures were obtained from single Tripospermum like conidia and sequenced. Phylogenetic analyses generated from maximum likelihood and Bayesian analyses of combined LSU and ITS sequence data demonstrate that our strains isolated from Tripospermum_like conidia clustered with strains of T. gloeosporum with high statistical support. A description of the asexual morph of T. gloeosporum with molecular data is provided.





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