2015
DOI: 10.5433/1679-0359.2015v36n6supl2p4165
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Physiological responses of sweet potato (Ipomoea batatas L.) plants due to different copper concentrations

Abstract: At low concentrations, Cu is considered as an essential micronutrient for plants and as a constituent and activator of several enzymes. However, when in excess, Cu can negatively affect plant growth and metabolism. Therefore, the aim of this study was to evaluate physiological responses of sweet potato plants at different Cu concentrations by measuring morphological parameters, antioxidant metabolism, stomatal characteristics, and mineral profile. For this purpose, sweet potato plants were grown hydroponically… Show more

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“…2A and 2B However, it was observed that CAT and APX activity was maintained in coffee leaves under copper excess, and an increase in CAT and APX activity in roots under the same conditions. In studies with Ipomoea batatas L. plants, it was verified that roots was the main organ that mostly affected by the increase in copper concentration, due to a higher activity of antioxidant enzymes accompanied by the increase of H 2 O 2 production (Cuchiara et al, 2015).…”
Section: Discussionmentioning
confidence: 99%
“…2A and 2B However, it was observed that CAT and APX activity was maintained in coffee leaves under copper excess, and an increase in CAT and APX activity in roots under the same conditions. In studies with Ipomoea batatas L. plants, it was verified that roots was the main organ that mostly affected by the increase in copper concentration, due to a higher activity of antioxidant enzymes accompanied by the increase of H 2 O 2 production (Cuchiara et al, 2015).…”
Section: Discussionmentioning
confidence: 99%