LIN Cai-xia,XUE Gen-sheng,REN Xiao-yan.Effect of Different Degrees of Frost Damage on Antioxidant Enzyme Activity of Korla Pear[J].Northern Horticulture,2015,39(06):15-18.[doi:10.11937/bfyy.201506004]
不同冻害程度对库尔勒香梨抗氧化酶活性的影响
- Title:
- Effect of Different Degrees of Frost Damage on Antioxidant Enzyme Activity of Korla Pear
- Keywords:
- Korla pear; antioxidant enzyme activity; freezing degree
- 文献标志码:
- A
- 摘要:
- 以栽培管理基本相同的库尔勒香梨梨树枝条为试材，检测了不同冻害程度下，11组库尔勒香梨枝条超氧化物歧化酶（SOD）、过氧化物酶（POD）、过氧化氢酶（CAT）的活性，研究冻害程度对抗氧化酶活性的影响。结果表明：不同冻害程度下库尔勒香梨枝条的SOD活性为458.59～589.72 U/g，POD活性为2.28～11.56 U?g-1?min-1，CAT活性为0.50～4.93 U?g-1?min-1；与无冻害的对照组相比受冻后的枝条SOD活性均有显著性升高，POD与CAT活性受冻前与受冻后无显著性差异变化。
- 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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备注/Memo
第一作者简介：林彩霞（1967-），女，湖北黄梅人，高级农艺师，现主要从事果树生理技术和果树育种种质资源收集整理等研究工作。基金项目：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）。