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Eduardo Girotto Carlos A. Ceretta Gustavo Brunetto Alcione Miotto Tadeu L. Tiecher Lessandro De Conti Cledimar R. Lourenzi Felipe Lorensini Paulo I. Gubiani Leandro S. da Silva Fernando T. Nicoloso 《Environmental monitoring and assessment》2014,186(12):9051-9063
Grapevines grown on acid soils with low fertility in southern Brazil are treated with intense foliar applications of copper (Cu) fungicides, resulting in an increased level of Cu in the soil and increased toxicity. The present study evaluated the accumulation and bioavailability of Cu, and soils with varying levels of Cu from the main producing regions of southern Brazil were collected. The forms of Cu present in the soil were assessed using chemical extractants; additionally, oat cultivation was performed, reflecting the use of the plant as an indicator of Cu bioavailability. Cu accumulated in the topsoil, mainly in bioavailable forms, and there was also an increase of Cu up to a depth of 0.4 m. Cu was primarily found in the mineral fraction, with apparent saturation of the soil organic matter functional groups. Inceptisol and Alfisol soils with a long history of cupric fungicide application were found to have levels of Cu toxic to oat plants. Furthermore, accumulated copper in Alfisol soil from the Campanha Gaúcha region of the state of Rio Grande do Sul had higher bioavailability compared to Cu accumulated in Inceptisol soil from the Serra Gaúcha region. In addition, the copper concentration in roots was found to serve as an indicator of Cu bioavailability in soil, but not of copper phytotoxicity in plants. 相似文献
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Trentin Edicarla Ferreira Paulo Ademar Avelar Ricachenevsky Felipe Klein Morsch Letícia Hindersmann Jacson Tarouco Camila Peligrinotti Nicoloso Fernando Teixeira da Silva Lincon Oliveira Stefanello De Conti Lessandro da Silva Isley Cristiellem Bicalho Marchezan Carina Ceretta Carlos Alberto Brunetto Gustavo 《Environmental science and pollution research international》2022,29(55):82844-82854
Environmental Science and Pollution Research - High soil copper (Cu) concentrations in vineyards can cause phytotoxicity to grapevine rootstocks. In order to mitigate toxicity, the use of grapevine... 相似文献
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