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Bulletin of Botanical Research ›› 2012, Vol. 32 ›› Issue (6): 689-694.doi: 10.7525/j.issn.1673-5102.2012.06.010

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Effect of Chitosan Coating on Seed Germination and Salt-tolerance of Brassica napus L.

WANG Yan-Jun;WANG Mei-Yan;HUANG Rong-Rong   

  1. Fuqing Branch of Fujian Normal University,Fuqing 350300
  • Received:1900-01-01 Revised:1900-01-01 Online:2012-11-20 Published:2012-11-20
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Abstract: In this study, Brassica napus L. seeds was treated by different concentrations of chitosan coating and the effect on rape seed germination and seedling salinity tolerance at different concentrations of salt stress on seed germination was studied. The germination potential, germination rate, biomass (fresh weight, dry weight, root length, shoot length) were measured, and the chlorophyll content, contents of soluble protein and soluble sugar were analyzed. The results showed that chitosan coating could increase germination potential, germination rate, biomass, salttolerance index of rapeseed seedling, chlorophyll content, contents of soluble protein and soluble sugar. The promotion effect of 0.25 g·L-1 chitosan coating on seed germination was better, and 0.50 g·L-1 of chitosan coating could increase the salt tolerance of rape seedling better.

Key words: chitosan coating, Rapeseed(Brassica napus L.), seed germination, salt tolerance

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