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Citation for Study 2126

About Citation title: "Four powdery mildew species with catenate conidia infect Galium spp.: Molecular and morphological evidence".
About This study was previously identified under the legacy study ID S2130 (Status: Published).

Citation

Takamatsu S., Heluta V., Haverylenko M., & Divarangkoon R. 2008. Four powdery mildew species with catenate conidia infect Galium spp.: Molecular and morphological evidence. Mycological Research, null.

Authors

  • Takamatsu S.
  • Heluta V.
  • Haverylenko M.
  • Divarangkoon R.

Abstract

The Erysiphaceae are a group of obligately biotrophic fungi that cause powdery mildew disease of angiosperms. Due to their inability to be cultured on artificial media, the taxonomy of the Erysiphaceae has generally been based on the morphological characteristics of fresh as well as herbarium specimens. Thus, several morphological species with wide host ranges have long been maintained in this family, even though they clearly consist of several biological species. Erysiphe galii has been known as a powdery mildew of Galium spp. Recently, the former E. galii var. galii has been reassessed as Neoerysiphe galii and E. galii var. riedliana as Golovinomyces riedlianus, along with a taxonomic revision of the generic concept of the Erysiphaceae. The present study was conducted to evaluate the validity of the taxonomic revision of the two varieties of E. galii. During the course of this study, we found that the Galium powdery mildews consist of at least four different species, viz. Neoerysiphe galii, Golovinomyces orontii, G. riedlianus, and an unknown species collected in Argentina. The latter species is described as a new species, Golovinomyces calceolariae. The three species belonging to Golovinomyces are morphologically very similar among one another, i.e. the discrimination between them is rather difficult. The morphological differences of the three Golovinomyces species of Galium are discussed.

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S2126
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