|Table of Contents|

Effect of Drought Stress and Rewatering on Physiological Characteristics of Delphinium grandiflorum Seedling(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年09
Page:
58-62
Research Field:
Publishing date:

Info

Title:
Effect of Drought Stress and Rewatering on Physiological Characteristics of Delphinium grandiflorum Seedling
Author(s):
ZHANG Yan-ni; LIU Yi-jia; LI Bo
（College of Landscape Architecture，Northeast Forestry University，Harbin，Heilongjiang 150040）
Keywords:
Delphinium grandiflorum; drought stress; physiological property
PACS:
S 681.9
DOI:
10.11937/bfyy.201509018
Abstract:
Taking Delphinium grandiflorum seedlings as test materials，effect of soil drought stress and rewatering on membrane lipid peroxidation，protective enzyme activity and the permeable material of seedlings were studied.The results showed that with the prolonging of drought stress time,cell membrane permeability and malondialdehyde rose significantly，in section 20 days of drought stress，the cell membrane permeability and malondialdehyde content reached the maximum，the plant was severely damaged.Proline content in leaves increased rapidly，after rewatering began to decline,but the content of soluble protein in the opposite.With the passage of time,the peroxidase and superoxide dismutase activity showed a downward trend after the first rise.After rewatering，peroxidase and superoxide dismutase activity showed a slowly increasing trend.In section 10 days of drought stress,the peroxidase and superoxide dismutase activity reached the maximum，the results showed that the plant had a higher ability of scavenging active oxygen.

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Last Update: 2015-08-01