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《Journal of Huazhoung Agricultural University》 1991-03
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EFFECT OF APPLICATION OF BORON AND MANGANESE SEPARATELY AND IN COMBINATION ON THE METABOLIM OF RAMIE

Hu Shiyou Liu Wuding Pi Meimei (Huazhong Agricultural University,Wuhan 430070)  
The experiments were conducted in pot culture containing calcareous purple soil to study the effects of oron and manganese separately and in combination on the matabolismof ramie(Boehmeria rivea).The experimental esults showed that the content of chlorophyll,thephotosynthesis rate and the ~(14) C radioactive intensity of different rgans,indicating thetranportation activity of photosynthetic products and ability of bast fiber synthesis,wereincreased ignificantly by the applying B and Mn either separately or in combination.Applicationof B or Mn significantly reduced he polyphenol oxidase activity and the content of total phenol,Manganese increased the peroxidase activity and the ontent of lignin,causing earilier maturity,boron decreased the peroxidase activity and the lignin content.B and Mn nteraction effects weresignificantly negative on polyphenol oxidase activity,peroxidase activity,contents ofchlorophyll,total phenol and lignin.
【CateGory Index】: Q945.12
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