[1]杨向娜,魏安智*,杨途熙,等.仁用杏3个生理指标与抗寒性的关系研究[J].西北林学院学报,2006,21(03):30.
　YANG Xiangna,WEI Anzhi,YANG Tuxi,et al.Studies on Relationships Between Soluble Protein Contents,SOD and POD Activity and Cold Resistant Ability of 3 Apricot Varieties[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(03):30.
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仁用杏3个生理指标与抗寒性的关系研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年03期
页码:
30
栏目:
西部生态建设论坛
出版日期:
2006-06-30

文章信息/Info

Title:
Studies on Relationships Between Soluble Protein Contents,SOD and POD Activity and Cold Resistant Ability of 3 Apricot Varieties
作者:
杨向娜; 魏安智*; 杨途熙; 郑元
西北农林科技大学 林学院，陕西 杨陵 712100
Author(s):
YANG Xiangna; WEI Anzhi; YANG Tuxi; ZHENG Yuan
College of Forestry,Northwest A & F University , Yangling ,Shaanxi 712100,China
关键词:
仁用杏; 可溶性蛋白; SOD; POD; 抗寒性
Keywords:
apricot;  soluble protein;  superoxide dismutase;  peroxidase;  cold resistance
分类号:
S662.201
文献标志码:
A
摘要:
对低温胁迫下3个仁用杏品种1 a生休眠枝中可溶性蛋白质含量、SOD和POD酶活性的变化及与抗寒性的关系进行了研究。结果表明，随着温度的降低，可溶性蛋白质含量、SOD和POD活性呈现先上升后下降的变化趋势，且与仁用杏抗寒性呈正相关关系。但可溶性蛋白与抗寒性相关性较小，不宜单独用作抗寒性鉴定指标。SOD和POD活性与抗寒性相关密切，-24℃时的SOD活性或-28℃时的POD活性可作为快速鉴定仁用杏抗寒性的指标。3个仁用杏品种休眠期的半致死温度分别为 一窝蜂-53.7℃、优一-50.8℃、龙王帽-36.0℃，其抗寒性排序为一窝蜂>优一>龙王帽。第3期杨向娜等仁用杏3个生理指标与抗寒性的关系研究
Abstract:
The changes of soluble protein contents,superoxide dismutase (SOD) and peroxidase(POD) activities and their relationship with cold resistant ability in year dormancy wattles of 3 varieties apricot under high cold stress were studied. The results showed that, with the temperature going down, the trends of soluble protein contents, SOD and POD activity increased at first,then decreased. They were all positively correlated with cold resistant ability of apricot. But there was little correlation between the content of soluble protein and the cold resistance, indicating that the content of soluble protein was not suitable to be used as a appraisal index independently for cold resistance in apricot . SOD and POD activities were closely related to the cold resistance .SOD activity at -24℃ and POD activity at -28℃ could be used as rapid indexes in cold resistance identify for apricot. The critical lethal temperature of 3 varieties of kernel apricot in oneyeardormancy were -53.7℃ (Yiwofeng),-50.8℃ (Youyi) and -36.0℃ (Longwangmao) respectively. As a result, the order of cold resistance for three varieties studied was Yiwofeng> Youyi>Longwangmao.

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备注/Memo

备注/Memo:
收稿日期 20051214修回日期 20051227基金项目 陕西省重大科技项目。作者简介 杨向娜(1980)，女，陕西蓝田人，在读硕士，主要从事林木遗传改良研究工作。*通讯作者 魏安智，男,研究员，主要从事林木遗传育种研究工作。
更新日期/Last Update: 2010-05-04