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Bulletin of Botanical Research ›› 2012, Vol. 32 ›› Issue (1): 54-60.doi: 10.7525/j.issn.1673-5102.2012.01.010

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Relationship Between Contents of Mineral Nutrient Elements and Peroxidase Isoenzyme in Leaf of Wild Cerasus humilis

MA Jian-Jun;YU Feng-Ming;DU Bin;ZHANG Li-Bin;REN Yan-Jun   

  1. Hebei Normal University of Science and Technology,Qinhuangdao 066004
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-01-20 Published:2012-01-20
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Abstract: In this study, the content variations of peroxidase isoenzyme in Chinese dwarf cherry (Cerasus humilis) leaves and 6 mineral elements in leaves and fruits as well as their correlations were investigated by the method of polyacrylamide gel electrophoresis (PAGE) using 113 Chinese dwarf cherry which were cultivated at the same conditions in Yanshan Mountain as materials. The results showed that 7 types of POD isoenzyme bands appeared in Chinese dwarf cherry seedling population. Among these bands, two characteristic bands (Rf=0.126, Rf=0.716) appeared in all tested materials. The results of system clustering analysis showed that the relative amounts of the same position isoenzyme bands in different POD isoenzyme band types were different, and the variation was greater. The results of correlation analysis showed that notable or extremely notable correlation existed between the amount of correlative isoenzyme bands in different types and the mineral element contents. The amount of POD isoenzyme band could indicate the genetic difference and diversity of mineral nutrient metabolism of Chinese dwarf cherry leaves in some degree.

Key words: Cerasus humilis, POD isoenzyme, enzyme amount, mineral elements, correlation

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