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Diversity and evolution in the barley pathogen Pyrenophora teres

Rau, Domenico and Attene, Giovanna and Brown, Anthony H. D. and Nanni, Laura and Maier, Frank J. and Balmas, Virgilio and Saba, Eva and Schafer, Wilhelm and Papa, Roberto (2008) Diversity and evolution in the barley pathogen Pyrenophora teres. Options méditerranéennes. Série A: Séminaires méditerranéens, Vol. 81 , p. 147-150. ISSN 1016-121X. Article.

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Abstract

Net blotch is a foliar disease of barley that has a worldwide distribution and can cause substantial yield losses. The casual agent is the heterothallic ascomycetes Pyrenophora teres Drechsler (anamorph: Drechslera teres [Sacc.] Shoemaker). Two morphologically similar intraspecific formae speciales of the net blotch pathogen (that produce different symptoms) are known: the net form (NF) (P. teres f. sp. teres) and the spot form (SF) (P. teres f. sp. maculata). A better understanding of the genetic relationships between these two forms and of the evolutionary potential of the pathogen populations would be useful to improve strategies of resistance breeding and to determine the correct management of the resistance genes for this pathogen. Here, we present and summarize the results of a study aimed at improving our knowledge of the biological and pathological status of P. teres.

Item Type:Article
ID Code:4164
Status:Published
Refereed:Yes
Uncontrolled Keywords:Pyrenophora teres, barley, Hordeum vulgare, genetic structures, land varieties, phylogeny
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/07 Genetica agraria
Area 07 - Scienze agrarie e veterinarie > AGR/12 Patologia vegetale
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze agronomiche e genetica vegetale agraria
001 Università di Sassari > 01 Dipartimenti > Protezione delle piante
Publisher:CIHEAM-IAMZ / IRTA
ISSN:1016-121X
Additional Information:Paper presented at the "Eucarpia cereal section meeting: food science and technology for feeding ten billion people: genomics era and beyond", Lleida, Spain, 13-17 November 2006.
Deposited On:13 Jul 2010 13:08

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