2016
DOI: 10.1590/1983-084x/15_220
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Changes in root morphology and dry matter production in Pfaffia glomerata (Spreng.) Pedersen accessions in response to excessive zinc

Abstract: Zinc (Zn) participates of numerous metabolic processes in plants. However, it can become toxic to plants in excessive concentrations in the soil. Pfaffia glomerata is a Brazilian medicinal species that has stood out because of its numerous chemical and functional properties, mainly by the triterpene saponins and ecdysteroids accumulated in its roots. This study aimed to evaluate the effects of zinc excess on many root morphological parameters of Pfaffia glomerata. A 4 x 3 factorial design was employed in a com… Show more

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Cited by 5 publications
(2 citation statements)
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“…The roots diameter increase is usually related to di culties of root growth, possible due to toxicity of one or more substances present in the medium where the plant is cultivated (Bernardy et al 2016). As can be observed in Fig.…”
Section: Root Morphologymentioning
confidence: 99%
“…The roots diameter increase is usually related to di culties of root growth, possible due to toxicity of one or more substances present in the medium where the plant is cultivated (Bernardy et al 2016). As can be observed in Fig.…”
Section: Root Morphologymentioning
confidence: 99%
“…This includes studies of root alterations caused by chemical excesses or deficiencies in maize, [31] in Medicago sativa L., [32] and the Brazilian medicinal plant Pfaffia glomerata. [33] In the latter case, the presence of zinc metal was the focus of study.…”
Section: Introductionmentioning
confidence: 99%