An effective rhizoinoculation restraints arsenic translocation in peanut and maize plants exposed to a realistic groundwater metalloid dose

摘要

Groundwater with high arsenic (As) concentration constitutes a serious problem for crops,since roots can accumulate the metalloid acting as the first stage of As distribution in the trophic chain.The aim of this research was to elucidate the impact of a realistic As(V) dose in peanut and maize plants and to determine the contributton of plant growth promoting bacteria (PGPB) to metalloid translocation in both crops.The results obtained revealed that rhizoinoculation of plants exposed to metalloid,contributed not only to improve growth but also to reduce As transport to shoots.Hence,inoculation of peanut and maize with the correct PGPB partner prevents metalloid translocation in plants avoiding possible fruit contamination.