Screening of jute germplasm for adsorption of heavy metal Cr(Ⅵ)
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    Abstract:

    In this paper, the tender shoots of main stem, primary and secondary branch of 23 typical jute germplasm collected from home and abroad were first made into natural heavy metal adsorbent to determine the removal rate of Cr (Ⅵ) in solution. Investigation, variance analysis and correlation analysis of functional traits closely related to adsorption capacity and production of tender shoot were conducted, including growth duration dynamic, plant height, branching habit and tender shoots yield at all levels branches. The results showed that the removal rate of Cr (Ⅵ) was varied with variety of jute from 85.25-96.88%. Different branching levels of tender shoot lead to different yields and removal rates. All characters investigated were quite different except emergence speed of 23 jute germplasm. In addition, there was significantly negative correlation between plant height and removal rate(P < 0.01). With excellent production and removal rate on Cr (Ⅵ), the J001 and J011 were suitable for cultivating as special germplasm for heavy metal adsorption.

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History
  • Received:January 10,2014
  • Revised:March 03,2014
  • Adopted:June 09,2014
  • Online: June 10,2014
  • Published:
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