The role of the photosynthetic apparatus in cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction

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dc.contributor.author Gasior, Dagmara
dc.contributor.author Rapacz, M.
dc.contributor.author Humphreys, Michael W.
dc.contributor.author Kosmala, A.
dc.contributor.author Zwierzykowski, Z.
dc.date.accessioned 2009-07-10T11:09:16Z
dc.date.available 2009-07-10T11:09:16Z
dc.date.issued 2009-07-10
dc.identifier.citation Gasior , D , Rapacz , M , Humphreys , M W , Kosmala , A & Zwierzykowski , Z 2009 , ' The role of the photosynthetic apparatus in cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction ' cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction. Acta Physiologiae Plantarum , pp. 309-316 . en
dc.identifier.other PURE: 118143
dc.identifier.other dspace: 2160/2628
dc.identifier.uri http://hdl.handle.net/2160/2628
dc.description Rapacz, M., Gasior, D., Kosmala, A., Zwierzykowski, Z., Humphreys, M. W. (2007). The role of the photosynthetic apparatus in cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction. Acta Physiologiae Plantarum, 29, (4), 309-316. en
dc.description.abstract During cold acclimation by higher plants, temperature perception via changes in redox state of Photosystem II (PSII) and subsequent acclimation of the photosynthetic apparatus to cold is very important for achieving freezing tolerance. These properties were studied in two groups (A and B) of the same backcross 3 (BC3) progeny derived from a triploid hybrid of Festuca pratensis (2×) × Lolium multiflorum (4×) backcrossed three times onto diploid L. multiflorum cultivars. Leaves of Group A plants formed at 20°C at medium-low light were unable to acclimate their photosynthetic apparatus to cold. Compared to Group B, the Group A plants were also more frost sensitive. This acclimation ability correlated with the freezing tolerance of the plants. However, leaves of the same Group A plants developed at 20°C, but under higher-light conditions had increased ability to acclimate their photosynthetic apparatus to cold. It was concluded that Group A plants may have impaired PSII temperature perception, and this then resulted in their poor capability to cold acclimate. en
dc.format.extent 8 en
dc.language.iso eng
dc.relation.ispartof cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction. Acta Physiologiae Plantarum en
dc.title The role of the photosynthetic apparatus in cold acclimation of Lolium multiflorum. Characteristics of novel genotypes low-sensitive to PSII over-reduction en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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