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|metadata.artigo.dc.title:||Lycopersicon esculentum submitted to Cd-stressful conditions in nutrition solution: nutrient contents and translocation|
|metadata.artigo.dc.creator:||Bertoli, Alexandre Carvalho|
Cannata, Marcele Gabriel
Bastos, Rosa Ribeiro
Freitas, Matheus Puggina
Augusto, Amanda dos Santos
|metadata.artigo.dc.identifier.citation:||BERTOLI, A. C. et al. Lycopersicon esculentum submitted toCd-stressful conditions in nutrition solution: nutrient contents and translocation. Ecotoxicology and Environmental Safety, [S.l.], v. 86, p. 176-181, Dec. 2012. DOI: 10.1016/j.ecoenv.2012.09.011.|
|metadata.artigo.dc.description.abstract:||The increasing number of cases on soil contamination by heavy metals has affected crop yields, besides representing an imminent risk to food. Some of these contaminants, such as cadmium, are very similar to micronutrients and thus more easily absorbed by the plants. This study assessed the effect of increasing amounts of cadmium on the content and translocation of micro and macronutrients in tomato. Tomatoes were grown in Clark's nutrient solution and subjected to increasing levels of Cd: 0, 0.025, 0.1, 0.5 and 1.0 mg L−1. The plants contaminated by cadmium had a maximum reduction in the aerial part compared to the control of: 2.25 g kg−1, 2.80 g kg−1, 18.93 mg kg−1 and 14.15 mg kg−1 for K, Ca, Mn and Zn, respectively. In other parts of the tomato were reduced from 2.3 g kg−1 K in fruits and 280.5 mg kg−1 of Mn in the roots. In addition to changes in the levels of some nutrients, the restricted Cd translocation in 1.15percent P and 2.8percent Cu to shoots compared to control, but did not affect the translocation of K, Ca, Mg and Zn.|
|Appears in Collections:||DQI - Artigos publicados em periódicos|
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