|Table of Contents|

Study on Physiological Responses of Flammulina velutipes Under Stress of Mn2+ and Pb2+

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年18
Page:
132-136
Research Field:
Publishing date:

Info

Title:
Study on Physiological Responses of Flammulina velutipes Under Stress of Mn2+ and Pb2+
Author(s):
YU Han; ZHANG Jingyi; HU Yiqing; SONG Kai; MO Jingang; NI Xiuzhen
(School of Life Science,Changchun Normal University,Changchun,Jilin 130032)
Keywords:
heavy metals; poisoning; Flammulina velutipes
PACS:
-
DOI:
10.11937/bfyy.20194760
Abstract:
Based on the roots of Flammulina velutipes T011 treated by different concentrations of Mn2+ and Pb2+ solutions,the effects of different heavy metal ions on catalase enzyme activity,soluble protein and soluble sugar contents in the growth and development of mushroom were investigated.In order to provide theoretical basis for the further development of large-scale production of mushroom and environmental pollution control.The results showed that both heavy metal ions could inhibit the growth and reduce the soluble sugar content of the mushroom.Specifically,the growth of mycorrhiza was sensitive to Mn2+,and the soluble protein content increased with the increasing of Pb2+ concentration,while there was no significant effect on the soluble sugar content.In addition,both heavy metal ion stresses could promote the accumulation of catalase enzyme activity in the mushroom,which reached the maximum at a concentration of 500 mg?L-1.In summary,the change of physiological indicators alone did not fully reveal the mechanism of Pb2+ and Mn2+ on Flammulina velutipes.

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Last Update: 2020-12-23