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Altered stomatal dynamics of two Euramerican poplar genotypes submitted to successive ozone exposure and water deficit

Archive ouverte | Dusart, Nicolas | CCSD

The impact of ozone (O3) pollution events on the plant drought response needs special attention because spring O3 episodes are often followed by summer drought. By causing stomatal sluggishness, O3 could affect the stomatal dynami...

Responses of poplar to the combination of ozone and drought: special focus on glutathione metabolism

Archive ouverte | Vaultier, Marie-Noëlle | CCSD

Context . Presently, the impact of drought events on the effect of ozone pollution still needs more investigation. Drought may alleviate the O 3 entrance in the leaf by reducing the stomatal aperture (Matyssek et al ., 2010). ...

Integrated analysis of the detoxification responses of two Euramerican poplar genotypes exposed to ozone and water deficit: Focus on the ascorbate-glutathione cycle

Archive ouverte | Dusart, Nicolas | CCSD

Ozone (O-3) and drought increase tree oxidative stress. To protect forest health, we need to improve risk assessment, using metric model such as the phytotoxic O-3 dose above a threshold of y nmol.m(-2).s(-1) (PODy), while taking ...

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