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[email protected] Résumé. Deux expériences sur le terrain ont été menées au moyen de houx (Ilex aquifolium L.) et de chêne anglais (Quercus robur L.) en contenant afin de déterminer l’efficacité et la faisabilité du saccharose pour améliorer la tolérance et la reprise suite à des dommages par le sel de déglaçage (chlorure de sodium ou NaCl). Dans l’expérience no 1, du saccharose ou de l’eau simplement dans le cas du groupe-témoin ont été appliqué par trempage des racines sur les végétaux en contenant. Soixante-douze heures plus tard, le NaCl a été appliqué sur les deux espèces par trempage des racines. Au jour 15 suivant l’application du NaCl, les effets sur les concen- trations en chlorophylle foliaire a et b, en caroténoïdes (lutéine, -carotène, néoxanthine, -carotène) et en xantophylles (zéaxan- thine, anthéraxanthine, violaxanthine) ainsi que la nécrose foliaire et
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