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Effects of arbuscular mycorrhizal symbiosis on growth, nutrient and metal uptake by maize seedlings ( Zea mays L.) grown in soils spiked with Lanthanum and Cadmium by Chang, Qing; Diao, Feng-wei; Wang, Qi-fan; Pan, Liang; Dang, Zhen-hua; Guo, Wei is a Environmental Science article available to read on EtoBox.

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Multiple contaminants can affect plant-microbial remediation processes because of their interactive effects on environmental behaviour, bioavailability and plant growth. Recent studies have suggested that arbuscular mycorrhizal fungi (AMF) can facilitate the revegetation of soils co-contaminated with rare earth elements (REEs) and heavy metals. However, little is known regarding the role of AMF in the interaction of REEs and heavy metals. A pot experiment was conducted to evaluate the effects of Claroideoglomus etunicatum on the biomass, nutrient uptake, metal uptake and translocation of maize grown in soils spiked with Lanthanum (La) and Cadmium (Cd). The results indicated that individual and combined applications of La (100 mg kg) and Cd (5 mg kg) significantly decreased root colonization rates by 22.0%-35.0%. With AMF inoculation, dual-metal treatment significantly increased maize biomass by 26.2% compared to single-metal treatment. Dual-metal treatment significantly increased N, P and K uptake by 20.1%-76.8% compared to single-metal treatment. Dual-metal treatment significantly decreased shoot La concentration by 52.9% compared to single La treatment, whereas AM symbiosis cause

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Author

Chang, Qing; Diao, Feng-wei; Wang, Qi-fan; Pan, Liang; Dang, Zhen-hua; Guo, Wei

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV; Publons (ISSN 0269-7491)

Published

2018

Language

EN

Field

Environmental Science (Physical Sciences)