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《Northern Horticulture》 2007-10
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Studies on the Physiological Index Related to Cold Resistance in ‘Hanfu' and its Parents Plant

WANG He1,LIU Guo-cheng1,2,Lü De-guo1,2,ZHAO De-ying1,QIN Si-jun1,2(1.College of Horticulture,Shenyang Agricultural University,Liaoning 110161,China;2.Research Laboratory for Breeding and Physiology-Ecology of Northern Fruit Tree,Shenyang Agricultural University,Shenyang 110161,China)  
By freezing treatment,the relative electric conductivity,activities of Superoxide dimutase(SOD)and Peroxidase(POD)and the content of Malondialde(MDA)of shoots were studied in this paper with ‘Hanfu' apple,‘TokoⅡ' apple and ‘Hongjiangjun'apple as materials.The result showed that cold resistance of three varieties had significant difference.The cold resistance of ‘TokoⅡ' apple was the strongest,following by ‘Hanfu'apple and that of ‘Hongjiangjun'apple was the weakest.The high cold resistant apple variety showed higher activities of SOD and POD,lower MDA content.So,the activities of SOD,POD and the content of MDA can be used as indexes to judge the ability of cold resistant in 'Hanfu' apple and its parents plant.
【Fund】: 国家农业部948计划资助项目(2006-G28)
【CateGory Index】: S661.1
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