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《China Forestry Science and Technology》 2012-01
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A study on high temperature and humidity resistance of four Sedum germplasm under high temperature and humidity stress

XIN Qiao,DING Yan-fen College of Landscape Architecture Nanjing Forestry University,Nanjing 210037,China  
Four Sedum germplasm were chosen to study the morphological characteristics,physiological and biochemical changes and the mechanism of adaptation to high temperature and humidity under high temperature and humidity stress.The results indicated that: with the resistance prolonged,cell membrane permeability of plant leaves increased,there was a trend of increasing first and decreasing thereafter in the chlorophyll content,soluble protein content decreased,the balance of protective enzyme system was damaged,the membrane peroxidation degree was aggravated,the PRO content overall assumed an increasing trend.The abilities of high temperature and humidity resistance of four Sedum germplasm evaluated by the principal components analysis and the subordinate function method,from strong to the weak,were S.emarginatum S.spurium 'Coccineum' S.polytrichoides S.makinoi'Ogon'.
【Fund】: 江苏省建设厅科技项目“立体绿化工程体系——城市建筑屋面绿化关键技术与示范工程”
【CateGory Index】: S682.33
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