Tolenrance to Compound Lead-Zinc Stress of the Symbiosis of the Legume-Rhizobia in Huize Lead-Zinc Mining Tailings

Abstract:

In order to use remediation of contaminated soil and revegetation in Huize lead-zinc mining tailings,it was significant to study of the lead-zinc tolenrance of the symbiosis of the legume-rhizobia in Huize lead-zinc mining tailings.In this paper,the tolenrance to compound lead-zinc stress of the symbiosis of the legume-rhizobia was studied. The results showed that the legume seeds grew natually in Huize lead-zinc mining tailings had the good resistence to compound lead-zinc.The host plants inoculated the two high tolenrance to lead-zinc strains HS3 and HZ8 showed that the capability of host plants to resist compound lead-zinc stress was stronger than those were not inoculated and are sensitive to metal resistence rhizobia.The HS3 and HZ8 could decrease the concentrations of lead-zinc of the surrounding surface of nodule and could be beneficial to the metal lead-zinc tolerance of the symbiosis of legume-rhizobia by the combination of the lead-zinc and the polysaccharides and many other secrations of the nodule surface.The comprehensive reaction mechanism of heavy metal tolenrance to lead-zinc of the symbiosis of legume-rhizobia HS3 and HZ8 is worth studying.

• Periodical: Advanced Materials Research (Volumes 356-360)
• Pages: 1500-1504
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.356-360.1500
• Online since: October 2011
• Authors: Fu Jun Miao, Zhi Xiong, Shao Cai Li, Biao Li, Hao Sun
• Keywords: Huize Lead-Zinc Mining Tailings, Symbiosis, Tolenrance to Lead-zinc

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