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Effect of Different Degrees of Frost Damage on Antioxidant Enzyme Activity of Korla Pear(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年06
Page:
15-18
Research Field:
Publishing date:

Info

Title:
Effect of Different Degrees of Frost Damage on Antioxidant Enzyme Activity of Korla Pear
Author(s):
LIN Cai-xiaXUE Gen-shengREN Xiao-yan
(The Agricultural Science Institute of the Second Agricultural Production Division,Xinjiang Production and Construction Corps,Korla,Xinjiang 841005)
Keywords:
Korla pearantioxidant enzyme activityfreezing degree
PACS:
-
DOI:
10.11937/bfyy.201506004
Abstract:
The Korla pear tree branches which are cultivated under the same condition were used as materials,the activities of SOD,POD and CAT of 11 groups Korla pear tree branches under various levels of frost damage were tested,antioxidant enzymes activity of Korla pear tree branches under different degrees of frost damage were studied.The results showed that in diverse frost damage levels,the activity of SOD was between 458.59-589.72 U/g,the activity of POD was between 2.28-11.56 U?g-1?min-1,the activity of CAT was between 0.50-4.93 U?g-1?min-1.Compared with the non-frost damaged ones,the frost damaged ones’SOD was apparently in an increasing tendency.However the activities of POD and CAT had no such difference.

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Last Update: 2015-06-25