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Golovinomyces cichoracearum

Species of fungus From Wikipedia, the free encyclopedia

Golovinomyces cichoracearum
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Golovinomyces cichoracearum is a species of powdery mildew in the family Erysiphaceae. It is found in North America and Eurasia, where it affects salsifies (Tragopogon) and snakeweeds (Scorzonera).

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Golovinomyces cichoracearum can be found on stems, leaves, and (as seen here) on the bracts.

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Description

The fungus forms thin, white irregular patches on the leaves, stems and bracts of its host. Despite formerly being thought to infect a vast array of distantly related plants, Golovinomyces cichoracearum, like most Erysiphaceae, is highly host-specific and infects only two genera.[1] It is also likely to infect Pseudopodospermum and Scorzoneroides, although infections on these hosts are unconfirmed.

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Taxonomy

The fungus was formally described in 1805 by de Candolle.[2]

References

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