Effect of high light intensity on the photosynthetic apparatus of two hybrid lines of Paulownia grown on soils with different salinity

Title:

Effect of high light intensity on the photosynthetic apparatus of two hybrid lines of Paulownia grown on soils with different salinity

Creator:

Stefanov, M., Yotsova, E., Markovska, Y., and Apostolova, E. L.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:04c41889-be88-4fdc-b648-f6163c056ef7
uuid:04c41889-be88-4fdc-b648-f6163c056ef7
issn:0300-3604
doi:10.1007/s11099-017-0735-y

Subject:

listy, citlivost na světlo, fotoinhibice, rychlostní konstanta, tolerance soli, leafs, light sensitivity, photoinhibition, rate constant, salt tolerance, 2, and 581

Type:

model:article and TEXT

Format:

print, bez média, and svazek

Description:

The objective of this investigation was to evaluate the simultaneous action of light stress and salinity. Pulse amplitude modulated chlorophyll fluorescence, P700 redox state, and pigment analysis were used to assess the impact of high light intensity on Paulownia tomentosa × fortunei and Paulownia elongata × elongata grown on soils with different salinity. It was found that light stress reduced the amount of pigments and the efficiency of photochemical energy conversion, inhibited the maximum and the effective quantum yields of PSII photochemistry, decreased photochemical quenching and photosynthetic rate. Data also showed influence on the primary quinone acceptor (QA) reoxidation, which led to the restriction of the electron flow from QA to plastoquinone and stimulation of the cyclic electron flow. The possible reasons for the increased effects of the light stress under conditions of high salt concentration in soil for Paulownia tomentosa × fortunei are discussed., M. Stefanov, E. Yotsova, Y. Markovska, E. L. Apostolova., and Obsahuje bibliografii

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

832-840

Source:

Photosynthetica | 2018 Volume:56 | Number:3

Harvested from:

CDK

Metadata only:

false