Heliotropic leaf movement of Sophora alopecuroides L: an efficient strategy to optimise photochemical performance

Title:

Heliotropic leaf movement of Sophora alopecuroides L: an efficient strategy to optimise photochemical performance

Creator:

Zhu, C. G., Chen, Y. N., Li, W. H., Chen, X. L., and He, G. Z.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:0a5b988c-4004-4707-b93e-9ac8f1b9c5ef
uuid:0a5b988c-4004-4707-b93e-9ac8f1b9c5ef
issn:0300-3604
doi:10.1007/s11099-015-0089-2

Subject:

fotosyntéza, photosynthesis, Vnitřní Mongolsko (Čína), Inner Mongolia (China), jerlín, Ejina basin, electron transport rate, energy dissipation, leaf tilt angle, nonphotochemical quenching, petiole angle, quantum yield, trichome, Sophora alopecuroides L., 2, and 581

Type:

model:article and TEXT

Format:

print, bez média, and svazek

Description:

We studied the survival adaptation strategy of Sophora alopecuroides L. to habitat conditions in an arid desert riparian ecosystem. We examined the responses of heliotropic leaf movement to light conditions and their effects on plant photochemical performance. S. alopecuroides leaves did not show any observable nyctinastic movement but they presented sensitive diaheliotropic and paraheliotropic leaf movement in the forenoon and at midday. Solar radiation was a major factor inducing leaf movement, in addition, air temperature and vapour pressure deficit could also influence the heliotropic leaf movement in the afternoon. Both diaheliotropic leaf movement in the forenoon and paraheliotropic leaf movement at midday could help maintain higher photochemical efficiency and capability of light utilisation than fixed leaves. Paraheliotropic leaf movement at midday helped plants maintain a potentially higher photosynthetic capability and relieve a risk of photoinhibition. Our findings indicated the effective adaptation strategy of S. alopecuroides to high light, high temperature, and dry conditions in arid regions. This strategy can optimise the leaf energy balance and photochemical performance and ensure photosystem II function., C. G. Zhu, Y. N. Chen, W. H. Li, X. L. Chen, G. Z. He., and Obsahuje bibliografii

Language:

Multiple languages

Rights:

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

Coverage:

231-240

Source:

Photosynthetica | 2015 Volume:53 | Number:2

Harvested from:

CDK

Metadata only:

false