In Vitro Morphological Characteristics of Pyrenophora tritici-repentis Isolates from Several Algerian Agro-Ecological Zones
2017
Benslimane, H., Ecole Nationale Superieure d'Agronomie, Algiers, Algeria | Aouali, S., Institut National de la Recherche Forestiere, Algiers, Algeria | Khalfi, A., Institut Technique des Grandes Cultures, Algiers, Algeria | Ali, S., South Dakota State University, Brookings, USA | Bouznad, Z., Ecole Nationale Superieure d'Agronomie, Algiers, Algeria
Tan spot caused by the fungus Pyrenophora triticirepentis is a serious disease of wheat, which is on increase in recent years in Mediterranean region. In the field this fungus produces a diamond-shaped necrotic lesions with a yellow halo on wheat foliage. The objective of this study was to characterize and compare several monospore isolates of P. tritici-repentis collected from different infected wheat fields in various locations of Algeria, and find the morphological differences between them, if any. The results revealed wide morphologically variation among the isolates based on colony colors and texture, mycelial radial growth and conidial size.
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