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Effects of Exogenous Salicylic Acid on Freezing Resistance of Prunus wilsonii Seedings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年06期
Page:
63-65
Research Field:
Publishing date:

Info

Title:
Effects of Exogenous Salicylic Acid on Freezing Resistance of Prunus wilsonii Seedings
Author(s):
XIE Lu-yu; ZHOU Guang-zhu; ZHANG Xiao-fei; KONG Zhong-ren
College of Forestry，Shenyang Agricultural University，Shenyang，Liaoning 110161
Keywords:
Prunus wilsonii; salicylic acid(SA); freezing resistance; low-temperature stress
PACS:
S 662.3
DOI:
-
Abstract:
Taking Prunus wilsonii as experimental material，by spraying 0,0.5,1.0,1.5,2.0 mmol/L SA solution respectively to the tested plants leaves，under artificial low-temperature stress，five physiological indexes anthocyanin content，free proline content，relative electrical conductivity，SOD content and MDA content were determined and the effects of exogenous salicylic acid on freezing resistance of Prunus wilsonii were studied.The results showed that the application of exogenous salicylic acid could inhibit the destructive effect of low temperature on anthocyanin，improve the activity of SOD enzyme，increase the content of free proline and reduce the content of MDA and the relative conductivity，thus weakening the damage of low temperature on Prunus wilsonii，improving freezing resistance of the Prunus wilsonii 1.0 mmol/L SA treatment was optimum.

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Last Update: 2014-08-23