Tropical pteridophytes species in association with arbuscular mycorrhizal fungi in arsenic-contaminated soil

Quimica nova

Oliveira, Letúzia Maria de¹  Guilherme, Luiz Roberto Guimarães¹  Schneider, Jerusa¹  Soares, Cláudio Roberto Fonsêca Sousa²  Stürmer, Sidney Luiz³ 

[1] Universidade Federal de Lavras, Lavras, Brasil;Universidade Federal de Santa Catarina, Florianópolis, Brasil;Universidade Regional de Blumenau, Blumenau, Brasil

关键词: mycorrhiza;    phytoremediation;    gold mining.;   

DOI  :  10.1590/S0100-40422012000400010

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

The symbiosis of plants with mycorrhizal fungi represents an alternative to be considered during the processes of revegetation and rehabilitation of arsenic-contaminated soil. The aim of this study was to evaluate under greenhouse conditions the effect of arsenic on the mycorrhizal association of two species of tropical fern (Thelypteris salzmannii and Dicranopteris flexuosa). T. salzmannii had higher rates of colonization and higher density of spores while D. flexuosa showed greater sensitivity to smaller concentrations of arsenic and association with mycorrhizal fungi. Our results indicate that screening and selection of mycorrhizal fungal isolates/species is possible and effective for phytoremediation of arsenic-contaminated soils.

【 授权许可】

CC BY