|Table of Contents|

Growth and Physiological Responses of Perennial Ryegrass toElectrolytic Manganese Residue Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年17
Page:
72-76
Research Field:
Publishing date:

Info

Title:
Growth and Physiological Responses of Perennial Ryegrass toElectrolytic Manganese Residue Stress
Author(s):
WANG Jiazhen1; HU Wanming2; LI Dayong2; YAO Shuiqing1; SHI Xiongwen1
(1.School of Biology and Agriculture Science and Technology,Zunyi Normal University,Zunyi,Guizhou 563000；2.Geological and Mineral Resources Center Laboratory of Guizhou,Guiyang,Guizhou 550018)
Keywords:
perennial ryegrass; electrolytic manganese residue; photosynthetic pigment; soluble sugar; proline
PACS:
-
DOI:
10.11937/bfyy.20190434
Abstract:
Taking perennial ryegrass as test photosynthetic materials,the effects of 3%,6% and 9% electrolytic manganese residue solution on plant height,pigments,soluble sugar and proline content of perennial ryegrass were studied by continuous irrigation method in order to provide theoretical reference for remediation of electrolytic manganese residue contaminated sites.The results showed that the inhibition of 3% electrolytic manganese slag solution on ryegrass growth was not obvious,while 6% and 9% electrolytic manganese slag solution had significant inhibition on ryegrass growth.After 12 days of treatment with 6% and 9% electrolytic manganese slag solution,the total chlorophyll content decreased by 47.5% and 70.87% respectively,and the carotenoid content decreased by 77.80% and 83.90% compared with the control.Perennial ryegrass has a certain tolerance to 3% electrolytic manganese slag,and has the potential of remediation of manganese slag contaminated areas.

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Last Update: 2019-09-24