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Well-irrigated plants grown under elevated CO2 and higher temperature are least affected by oxidative damage

Well-irrigated plants grown under elevated CO2 and higher temperature are least affected by oxidative damage

In an article entitled, “Climate change (elevated CO2, elevated temperature and moderate drought) triggers the response of antioxidant enzymes of grapevine cv. Tempranillo, avoiding oxidative damage,” published in the current issue of Physiologia Plantarum vol. 144(2):99-110, Salazar-Parra and associates have presented the results of their study on the effect of moderate drought on the performance of a cultivar of grapevine . Their study shows that moderate drought were less efficient to cope with oxidative damage than well-irrigated plants, and more interestingly, plants grown under moderate drought but treated with elevated CO2 and higher temperature were not affected by oxidative damage. They have attributed this phenomenon mainly to higher rates of electrons consumed in photosynthetic carbon fixation.

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