Hydrogen sulfide ameliorates cadmium chloride injury in seedlings of Malus hupehensis by reducing influx and accumulation of cadmium in roots

Y.G. Li, W.W. Zhang, H.Q. Yang
The seedling of Malus hupehensis were treated with cadmium chloride (CdCl2) and hydrogen sulfide donor, NaHS (sodium hydrosulfide), in the hydroponics system. The cadmium ion flow in the roots was measured in the living state, and the cadmium content, the respiration rate and the malondialdehyde (MDA) content in the roots were investigated and analyzed. The results showed that NaHS could reduce the cadmium ions influx and rate of cadmium absorption by roots, decrease the cadmium content in roots and maintain the respiration rate of root in Malus hupehensis under CdCl2 treatment. The increase of content of MDA in roots and leaves caused by CdCl2 was reduced by NaHS. This indicates that the hydrogen sulfide can alleviate cadmium damage to seedlings by reducing the influx and the accumulation of cadmium in roots.
Li, Y.G., Zhang, W.W. and Yang, H.Q. (2020). Hydrogen sulfide ameliorates cadmium chloride injury in seedlings of Malus hupehensis by reducing influx and accumulation of cadmium in roots. Acta Hortic. 1292, 195-202
DOI: 10.17660/ActaHortic.2020.1292.26
https://doi.org/10.17660/ActaHortic.2020.1292.26
hydrogen sulfide, cadmium, ion flow, Malus hupehensis, roots
English

Acta Horticulturae