Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B-purpurea in China

被引：4

作者：

Xu, Biao ^{[1
]}

Braun, Uwe ^{[2
]}

Zhang, Shanhe ^{[1
,3
]}

Yang, Hui ^{[1
]}

Cao, Zhi ^{[1
]}

Guo, Yaxu ^{[1
]}

Song, Jiage ^{[1
]}

机构：

[1] Tarim Univ, Coll Life Sci, Prov Minist, Joint Key Lab Protect & Utilizat Biol Resources T, Aral 843300, Peoples R China

[2] Martin Luther Univ Halle Wittenberg, Inst Biol, Bereich Geobot & Bot Garten, Herbarium, Neuwerk 21, D-06099 Halle, Saale, Germany

[3] Xinjiang Agr Univ, Dept Plant Pathol, Urumqi 830052, Peoples R China

来源：

PHYTOTAXA | 2018年 / 345卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Anarmorph; Erysiphales; Molecular phylogeny; Morphology; PHYLOGENETIC ANALYSIS; LEGUMINOSAE; MICROIDIUM; MODEL; DNA;

D O I：

10.11646/phytotaxa.345.1.4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Bauhinia species are popular ornamental and medicinal plants with a pantropical distribution. In December 2016, powdery mildew symptoms were found on B. blakeana and B. purpurea in Guangdong, China. Based on ITS and 28S rDNA sequences, as well as morphological characters, the powdery mildew was identified as Erysiphe lespedezae. Previous records of powdery mildews on Bauhinia spp. are discussed. Based on morphological and molecular phylogenetic analyses of type material, Pseudoidium caesalpiniacearum is reduced to synonymy with E. lespedezae. To our best knowledge, this is the first report of E. lespedezae causing powdery mildew on B. purpurea in China, and B. blakeana as a new host. A detailed morphological description and molecular data are provided herein.

引用

页码：35 / 42

页数：8

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