کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4357598 1300094 2009 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Four powdery mildew species with catenate conidia infect Galium: molecular and morphological evidence
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم کشاورزی و بیولوژیک (عمومی)
پیش نمایش صفحه اول مقاله
Four powdery mildew species with catenate conidia infect Galium: molecular and morphological evidence
چکیده انگلیسی

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 and 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 to each other, i.e. the discrimination between them is rather difficult. The morphological differences of the three Golovinomyces species of Galium are discussed.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mycological Research - Volume 113, Issue 1, January 2009, Pages 117–129
نویسندگان
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