2006
DOI: 10.1111/j.1439-0434.2006.01083.x
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Genetic Similarity among Isolates of Pyrenophora tritici‐repentis, Causal Agent of Tan Spot of Wheat

Abstract: Tan spot, a foliar disease of wheat, is caused by the fungus Pyrenophora tritici-repentis. On susceptible wheat cultivars, P. tritici-repentis induces two distinct symptoms: tan necrosis and extensive chlorosis. Presently isolates of P. tritici-repentis are classified into 11 races based on their virulence on a set of wheat differential genotypes. In nature, this pathogen reproduces both sexually and asexually, but the extent of genetic variability in the P. tritici-repentis population of western Canada is unk… Show more

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Cited by 29 publications
(43 citation statements)
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“…On the other hand, P. tritici-repentis is a homothallic fungus that readily produces the sexual stage on field stubble, giving this fungal population the opportunity for adaptation by sexual recombination. The occurrence of sexual recombination in nature is likely the reason for the high level of genetic variability among isolates of P. tritici-repentis (Singh & Hughes, 2006). Some works have studied the homothallic nature of P. triticirepentis using the specific molecular markers for detection of the MAT genes (Lepoint et al, 2010).Under favourable conditions conidiospores can travel 10-200 km (de Wolf et al, 1998).…”
Section: Current Status Of Pyrenophora Tritici-repentismentioning
confidence: 99%
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“…On the other hand, P. tritici-repentis is a homothallic fungus that readily produces the sexual stage on field stubble, giving this fungal population the opportunity for adaptation by sexual recombination. The occurrence of sexual recombination in nature is likely the reason for the high level of genetic variability among isolates of P. tritici-repentis (Singh & Hughes, 2006). Some works have studied the homothallic nature of P. triticirepentis using the specific molecular markers for detection of the MAT genes (Lepoint et al, 2010).Under favourable conditions conidiospores can travel 10-200 km (de Wolf et al, 1998).…”
Section: Current Status Of Pyrenophora Tritici-repentismentioning
confidence: 99%
“…Several studies included tools for detection variability www.intechopen.com using of morphocultural, pathogenic, bioquemical and molecular variability. Several studies to detect variability include different tools, the most of them used pathogenic and genetic characterization (PCR techniques) (Ali et al, 2010;Andrie et al, 2007;Friesen et al, 2005;Leisová et al, 2008;Lepoint et al, 2010;Litcher et al, 2002;Mehta et al, 2004;Moreno et al, 2009;Pujol Vieira dos Santos et al 2002;Singh & Hughes 2006). A lesser extent of research focuses on characterization based on morphological and biochemical aspects (Diaz de Ackermann 1987; Gilchrist et al, 1984;Hosford, 1971;Hunger & Brown 1987, Moreno et al, 2008aPujol Vieira dos Santos et al, 2002).…”
Section: Current Status Of Pyrenophora Tritici-repentismentioning
confidence: 99%
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