Coelo s/ Viburnum opulus. - Forum ASCOFrance

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Coelo s/ Viburnum opulus.

Luc Bailly, 15-11-2011 16:53

La dernière pour aujourd'hui.

A la face inférieure des feuilles tombées de Viburnum opulus.
Pycnides 30-100 µ, incolores puis brunâtre entouré de brun plus sombre, à ostiole pâle bien visible. Les pycnides foncent en vieillissant.
Microconidies hyalines, 3.5-4 x 1-1.5 µ.

Amitiés - LUC.

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