Identification and characterisation of sources of resistance to Erysiphe pisi Syn. in Pisum spp.

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dc.contributor.author Fondevilla, S.
dc.contributor.author Carver, Timothy L. W.
dc.contributor.author Moreno, M. T.
dc.contributor.author Rubiales, D.
dc.date.accessioned 2009-07-08T16:04:05Z
dc.date.available 2009-07-08T16:04:05Z
dc.date.issued 2006-12-21
dc.identifier.citation Fondevilla , S , Carver , T L W , Moreno , M T & Rubiales , D 2006 , ' Identification and characterisation of sources of resistance to Erysiphe pisi Syn. in Pisum spp. ' Plant Breeding , vol 126 , no. 2 , pp. 113-119 . , 10.1111/j.1439-0523.2006.01312.x en
dc.identifier.issn 0179-9541
dc.identifier.other PURE: 108008
dc.identifier.other dspace: 2160/2579
dc.identifier.uri http://hdl.handle.net/2160/2579
dc.description Fondevilla, S., Carver, T. L. W., Moreno, M. T., Rubiales, D. (2007). Identification and characterisation of sources of resistance to Erysiphe pisi Syn. in Pisum spp.   Plant Breeding, 126, (2), 113-119. Sponsorship: INIA / DEFRA / project AGF2005-01781, Spanish Comisión Interministerial de Ciencia y Tecnología. en
dc.description.abstract A collection of 67 accessions of Pisum species originating from different countries was screened in a glasshouse test for resistance to Erysiphe pisi. All Pisum fulvum accessions were completely resistant. Incomplete resistance was identified in some accessions of P. sativum subsp. sativum var. arvense and P. sativum subsp. elatius and abyssinicum. Microscopy revealed several distinct cellular mechanisms governing resistance. In P. fulvum, it was mainly due to a high frequency of cell death that occurred both as a rapid response to attempted infection and a delayed response that followed colony establishment. Cell death following colony establishment was also key to the incomplete resistance in some accessions of P. sativum subsp. sativum var. arvense. In addition, impaired spore germination, and to a lesser extent appressorium formation, contributed to pre-penetration resistance in some accessions. In some cases, resistance also retarded colony growth, possibly through effects on haustorial development or function in cells that survived the attack. Thus, these wild pea accessions offer diverse resistances that could be introduced to cultivated peas to increase the efficacy of powdery mildew resistance. en
dc.format.extent 7 en
dc.language.iso eng
dc.relation.ispartof Plant Breeding en
dc.subject Erysiphe pisi en
dc.subject Pisum sativum en
dc.subject hypersensitive response en
dc.subject resistance en
dc.title Identification and characterisation of sources of resistance to Erysiphe pisi Syn. in Pisum spp. en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1111/j.1439-0523.2006.01312.x
dc.contributor.institution Aberystwyth University en
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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