Data/hora: 03/06/2024 08:28:34

Provedor de dados: | Ciência Rural
País: | Brazil
Título: | Pb and Cd on growth, leaf ultrastructure and essential oil yield mint (Mentha arvensis L.)
Autores: | Jezler,Caroline Nery; Mangabeira,Pedro Antônio Oliveira; Almeida,Alex-Alan Furtado de; Jesus,Raildo Mota de; Oliveira,Rosilene Aparecida de; Silva,Delmira da Costa; Costa,Larissa Correa do Bomfim.
Data: | 2015-03-01
Ano: | 2015
Palavras-chave: | Contamination; Heavy metals; Medicinal plant; Menthol.
Resumo: | Contamination of medicinal plants with heavy metals as Pb and Cd can affect the growth and the essential oil production of the plants and represent a risk to those who consume as medicine. This study aimed to evaluate the effects of absorption and localization of Pb and Cd on growth, ultrastructural aspects of leaves and essential oil yield and composition of Mentha arvensis, applied on the soil with increasing concentrations (8, 16, 32, 64 and 128mg kg-1). There was a differential absorption of Pb and Cd by M. arvensis mainly concentrated in the roots. Pb was found in small amounts in the leaves while Cd largely exceeded the safety limit without symptoms of toxicity. The ultrastructural analysis revealed the metal accumulation on vesicles surrounding the mitochondria and the presence of electron dense deposits surrounding the mitochondria, nucleus and chloroplasts. Little changes caused by Pb and Cd application were not enough to affect the growth and essential oil yield and composition of M. arvensis
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000300392
Editor: | Universidade Federal de Santa Maria
Relação: | 10.1590/0103-8478cr20130966
Formato: | text/html
Fonte: | Ciência Rural  v.45 n.3 2015
Fonte: | info:eu-repo/semantics/openAccess