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《Shandong Agricultural Sciences》 2008-07
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Effects of Artificial Aging and Magnetic Treatment on Physiological and Biochemical Indices of Chinese Cabbage Seeds

HAN Jin-long1,WANG Tong-yan1,YU Wei-li2,NI Da-peng1,YIN Wei-jun1,XU Li-hua1,WANG Jian-hua3(1.Institute for Application of Atomic Energy,Shandong Academy of Agricultural Sciences,Jinan 250100,China;2.Department of Biology Science and Technology,Taishan University,Taian 271018,China;3.College of Agriculture and Bio-technology,China Agricultural University,Beijing 100094,China)  
The physiological and biochemical variation after seed aging and the effect of magnetic treatment on seed vigor of Chinese cabbage were studied by artificial aging and artificial magnetic field.The results indicated the different germination indices and vigor index of the four materials reduced gradually with the prolongation of aging treatment,but the decrease amplitude of germination energy was larger than that of germination rate.The electrical conductivity of aging seed lixivium increased with the prolonging of aging time,however,the activities of superoxide dismutase,peroxidase and catalase reduced gradually.The changing amplitude of germination indices and vigor index reduced in the magnetic-treated aging seeds,especially at the late aging stage,but the variation tendency of them were same with those of the only aging seeds.So,in a way,the magnetic treatment could improve the anti-aging ability of Chinese cabbage.Meanwhile,there were differences among varieties.
【Key Words】： Chinese cabbage seeds Artificial aging Magnetic treatment Physiological and biochemical indices
【CateGory Index】： S634.101
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