NDLI: Steady-state chlorophyll fluorescence (Fs) measurements as a tool to follow variations of net CO2 assimilation and stomatal conductance during water-stress in C3 plants.

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Steady-state chlorophyll fluorescence (Fs) measurements as a tool to follow variations of net CO2 assimilation and stomatal conductance during water-stress in C3 plants.

Content Provider	Semantic Scholar
Author	Flexas, Jaume Escalona, José Mariano Evain, Sebastian Gulías, Javier Moya, Ismaël Osmond, Charles Barry Medrano, H.
Copyright Year	2002
Abstract	Water stress experiments were performed with grapevines (Vitis vinifera L.) and other C3 plants in the field, in potted plants in the laboratory, and with detached leaves. It was found that, in all cases, the ratio of steady state chlorophyll fluorescence (Fs) normalized to dark-adapted intrinsic fluorescence (Fo) inversely correlated with non-photochemical quenching (NPQ). Also, at high irradiance, the ratio Fs/Fo was positively correlated with CO2 assimilation in air, with electron transport rate calculated from fluorescence, and with stomatal conductance, but no clear correlation was observed with qP. The significance of these relationships is discussed. The ratio Fs/Fo, measured with a portable instrument (PAM-2000) or with a remote sensing FIPAM system, provides a good method for the early detection of water stress, and may become a useful guide to irrigation requirements.
Starting Page	231
Ending Page	240
Page Count	10
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://plantmed.uib.es/papers/2002/steady%20state.pdf
PubMed reference number	11903970v1
Volume Number	114
Issue Number	2
Journal	Physiologia plantarum
Language	English
Access Restriction	Open
Subject Keyword	Act Relationship Join - detached Carbon Dioxide Early Diagnosis Electron Transport Ephrin Type-B Receptor 1, human Vitis chlorophyll fluorescence cytoplasmic sequestering of CFTR protein non-T, non-B, cALLa negative childhood acute lymphoblastic leukemia
Content Type	Text
Resource Type	Article

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