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《Northern Horticulture》 2015-06
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Effect of Different Degrees of Frost Damage on Antioxidant Enzyme Activity of Korla Pear

LIN Cai-xia;XUE Gen-sheng;REN Xiao-yan;The Agricultural Science Institute of the Second Agricultural Production Division,Xinjiang Production and Construction Corps;  
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 458.59-589.72U/g,the activity of POD was between 2.28-11.56U·g-1·min-1,the activity of CAT was between 0.50-4.93U·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.
【Fund】: 国家农业科技成果转化资金资助项目(2012GB2G410531);; 新疆生产建设兵团第二师农业科技攻关资助项目(2013NYGG10);; 新疆生产建设兵团科技攻关计划资助项目(2011BA003)
【CateGory Index】: S661.2
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