Ageratum houstonianum and Rudbeckia hirta, new hosts for the powdery mildews Golovinomyces asterum and Golovinomyces ambrosiae
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چکیده
منابع مشابه
Outbreak of Rust Caused by Coleosporium asterum on Solidago virgaurea var. gigantea in Ulleung-do
From June to October 2012, severe outbreaks of rust disease on Solidago virgaurea var. gigantea were observed in 5 different regions of Ulleung-do, Korea. Typical rust symptoms appeared as yellow spots, uredinia on leaves, and massive urediniospores covering the entire plant. Severely infected plants became discolored and died. On the basis of its morphological and molecular characteristics, th...
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متن کاملOrigin and evolution of the powdery mildews (Ascomycota, Erysiphales)
Molecular phylogeny suggests a close relationship of Asteraceae to the early evolution of Golovinomyces. The family Asteraceae, with a geographic origin in South America, expanded into the Northern Hemisphere, where it may have been infected by an ancestor of Golovinomyces, thus starting a close hosteparasite relationship. Using this event as a calibration point, we designed molecular clocks fo...
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ژورنال
عنوان ژورنال: Australasian Plant Disease Notes
سال: 2020
ISSN: 1833-928X
DOI: 10.1007/s13314-020-00399-4