Plasmopara invertifolia sp. nov. causing downy mildew on Helichrysum bracteatum (Asteraceae)

被引：0
作者：
Lidiane L. Duarte
Young-Joon Choi
Dartanhã J. Soares
Robert W. Barreto
机构：
[1] Universidade Federal de Viçosa,Departamento de Fitopatologia
[2] Biodiversity and Climate Research Centre (BiK-F),Department of Biological Sciences, Institute of Ecology, Evolution and Diversity
[3] Goethe University,undefined
[4] Embrapa Algodão,undefined
来源：
Mycological Progress | 2014年 / 13卷
关键词：
Molecular phylogeny; Oomycetes; Ornamental plant; Peronosporales; Plant pathology; Strawflower;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Plasmopara invertifolia sp. nov. causes severe leaf distortion and necrosis on Helichrysum bracteatum, a beautiful and important ornamental plant for trade in Brazil. This oomycete pathogen is distinguished from other species of Plasmopara on Asteraceae by its smaller sporangia and larger sporangiophores, which justifies the proposition of a new taxon in the genus Plasmopara to accommodate it. The phylogenetic analysis of cox2 gene sequence data supports such placement and also shows that P. invertifolia is close to the P. halstedii complex. Plasmopara invertifolia is then described, illustrated and discussed.
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页码：285 / 289
页数：4
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