Effects of the Antiozonant Ethylenediurea (EDU) on Fraxinus ornus L.: The Role of Drought
AbstractEthylenediurea (EDU) is a synthetic chemical known to protect plants from the phytotoxic effects of tropospheric ozone (O3). Although many studies have proposed the use of EDU for studying the O3 effects under field conditions, its mechanism of action is not fully understood, and it is unclear whether it exerts a specific antiozonant action, or if it may also interact with other oxidative stresses. The aim of this work was to evaluate the effect of EDU on forest species in a Mediterranean environment where, during summer, vegetation is exposed to multiple oxidative stresses, such as O3 and drought. The experiment was conducted on Fraxinus ornus L. (Manna ash) plants growing in six mesocosms, three maintained under full irrigation, while the other three were subjected to drought for 84 days. In each mesocosm, three plants were sprayed every 15 days with 450 ppm EDU. Gas exchange and chlorophyll “a” fluorescence measurements carried out through the experimental period highlighted that EDU did not affect stomatal conductance and had an ameliorative effect on the functionality of drought-stressed plants, thus suggesting that it may act as a generic antioxidant. The implications of these findings for the applicability of EDU in field studies are discussed. View Full-Text
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Salvatori, E.; Fusaro, L.; Manes, F. Effects of the Antiozonant Ethylenediurea (EDU) on Fraxinus ornus L.: The Role of Drought. Forests 2017, 8, 320.
Salvatori E, Fusaro L, Manes F. Effects of the Antiozonant Ethylenediurea (EDU) on Fraxinus ornus L.: The Role of Drought. Forests. 2017; 8(9):320.Chicago/Turabian Style
Salvatori, Elisabetta; Fusaro, Lina; Manes, Fausto. 2017. "Effects of the Antiozonant Ethylenediurea (EDU) on Fraxinus ornus L.: The Role of Drought." Forests 8, no. 9: 320.
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