Zymoseptoria passerinii
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Zymoseptoria passerinii - e, f) conidia from pycnidia (Type I) (click on image to enlarge it)
Authors: W. Quaedvlieg, G.H.J. Kema, J.Z. Groenewald, G.J.M. Verkley, S. Seifbarghi, M. Razavi, A. Mirzadi Gohari, R. Mehrabi and P.W. Crous
Source: Persoonia, 2011, 26, p. 67
Authors: W. Quaedvlieg, G.H.J. Kema, J.Z. Groenewald, G.J.M. Verkley, S. Seifbarghi, M. Razavi, A. Mirzadi Gohari, R. Mehrabi and P.W. Crous
Source: Persoonia, 2011, 26, p. 67
Zymoseptoria passerinii (Sacc.) Quaedvlieg & Crous, 2011
The fungus causes speckled leaf blotch of barley, a sporadic but important disease of barley in the Upper Midwest region of the United States and the Prairie Provinces of Canada. Yield losses of up to 38% have been reported. The disease is usually managed by using resistant cultivars. The pycnidiospores disperse over short distances by rain splash. No sexual stage has so far been reported, although indirect evidence suggests that it occurs. The pycnidia are dark brown, about 100-140 µm large and produce conidia, about 30-40 x 1½-2 µm in size. Microconidia measure 3-7 x 1 µm.
For more details see Lee and Neate, 2007.
Synonyms:
Septoria passerinii
| Vernacular names | |
|---|---|
| • Deutsch: | Blattfleckenkrankheit der Gerste |
| • English: | speckled leaf blotch of barley |
| • Español: | septoriosis de la cebada |
| • Français: | tache septorienne de l'orge |
