Fig. 4From: Physiological, biochemical and molecular responses associated with drought tolerance in grafted grapevineChlorophyll and carotenoid contents of well-watered and drought stress in self-rooted and grafted vines leaves. a chlorophyll a content; b chlorophyll b content; c total chlorophyll content; d carotenoid content. The values are the means ± SD (n = 3)Back to article page