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《Pratacultural Science》 2009-02
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Comprehensive evaluation of heat tolerance of four ground covering plants by subordinate function values analysis

ZHANG Zhao-yang,XU Gui-fang(Changsha Environmental Protection Vocational Technical College,Changsha 410004,China)  
The high-temperature tolerance index of four ground covering plants under different heat stress was studied.Through measuring physiological high-temperature tolerance characteristics such as relative permeability of plasma membrane,content of MDA,SOD and POD activity,proline,chlorophyll,soluble sugar and soluble protein content;and a comprehensive evaluation on high-temperature tolerance of different species of four ground covering plants was given based on subordinate function values analysis.The results indicated that the order of high-temperature resistance from high to low was : Lyaimachia alfredii and L.christinae var.huayeL.congestiflora and L.nummularia 'Aurea',this accorded with their practical performance.Fuzzy subordination method could be used to analyze the high-temperature tolerance completely and avoid the shortage of single index.
【Fund】: 湖南省环境保护科技基金(湘财建指2005-115)
【CateGory Index】: S688.401
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