High Plains wheat mosaic virus

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maize leaf with symptoms of High Plains wheat mosaic virus infection (click on image to enlarge it)
Author(s): Howard F. Schwartz, Colorado State University
Source: IPM Images

High Plains wheat mosaic emaravirus (HPWMoV)

The virus causes the high plains disease of maize, wheat, barley and oats in North America. There are also reports of this virus from other regions like South America and Australia.

On maize, diseased plants are stunted, chlorotic and develop a necrosis from the leaf tip down. Most infected plant do not produce ears or produce very small ears. On wheat, the symptoms are chlorotic spots or mosaic, up to a general chlorosis of the leaves. The virus is transmitted by the wheat curl mite (Aceria tosichella).

For a review see Tatineni & Hein (2021).

Vernacular names
• English: High Plains wheat mosaic virus
• Français: virus de la mosaïque du blé

High plains virus
Maize red stripe virus
wheat mosaic virus