Gas exchange and chlorophyll fluorescence in symbiotic and non-symbiotic ryegrass under water stress

Title:

Gas exchange and chlorophyll fluorescence in symbiotic and non-symbiotic ryegrass under water stress

Creator:

Amalric, C., Sallanon, H., Monnet, F., Hitmi, A., and Coudret, A.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:01422e3e-e401-4ee3-8ca7-8b7896f31ee9
uuid:01422e3e-e401-4ee3-8ca7-8b7896f31ee9
issn:0300-3604
doi:10.1023/A:1007027131613

Subject:

endophyte, Lolium perenne, Neotyphodium lolii, photosynthesis, stomatal conductance, transpiration rate, and water potential

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

The symbiotic association of endophyte fungus, Neotyphodium lolii, and ryegrass improves the ryegrass resistance to drought. This is shown by a 30 % increase in the number of suckers in infected plants (E+), compared to plants lacking endophyte (E-), and by a higher water potential in the E+ than E- plants. The E+ plants have higher stomatal conductance (gs), transpiration rate, net photosynthetic rate (PN), and photorespiratory electron transport rate than the E- plants. The maximal photochemical efficiency (Fv/Fm) and the actual photochemical efficiency (ΦPS2) are not affected by the endophyte fungus. The increase in PN of the E+ plants subjected to water stress was independent from internal CO2 concentration. An increased PN was observed in E+ plants also in optimal water supply. Hence the drought resistance of E+ plants results in increased gs, PN, and photorespiratory electron transport rate. and C. Amalric ... [et al.].

Language:

Multiple languages

Rights:

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

Coverage:

107-112

Source:

Photosynthetica | 1999 Volume:37 | Number:1

Harvested from:

CDK

Metadata only:

false