Home > Archive>Volume 25, Issue 4, 2017 >331-338. DOI:10.11926/jtsb.3698
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Effects of Different Treatments on Germination Characteristics of Mature and Over-mature Seeds of Sindora glabra
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Research Institute of Tropical Forestry, Chinese Academy of Forestry,,Research Institute of Tropical Forestry, Chinese Academy of Forestry,,Research Institute of Tropical Forestry, Chinese Academy of Forestry,,Research Institute of Tropical Forestry, Chinese Academy of Forestry,,Research Institute of Tropical Forestry, Chinese Academy of Forestry,,Research Institute of Tropical Forestry, Chinese Academy of Forestry,

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S723.1

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    Abstract:

    In order to break physical dormancy of Sindora glabra seeds,the effects of different treatments on germination of seeds were evaluated.The results showed that different treatments had significant effects on germination characteristics of mature and over-mature seeds of S.glabra.The germination rate of mature seeds increased significantly treated by both with 40℃ hot water and 50 mg L-1 NAA,which exceeded 55% with 10% more than the control.However,the germination rates treated by other methods ranged from 4.0% to 46.0%,which was lower than the control.The germination rate,germination vigor and germination index of over-mature seeds were the highest by immersion in 98% sulfuric acid for 25 min with more than 90%,76% and 7 more than control,respectively,and germination time was shortened by 9 days compared to the control,and other treatments also promoted seed germination to various extent.Therefore,mature seeds immersed in low temperature hot water or weak corrosive chemical solution and over-mature seeds soaked in concentrated sulfuric acid for 25 min were the optimum methods.

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杨锦昌,邹文涛,尹光天,李荣生,余纽,王旭.不同处理方法对油楠成熟和过熟种子萌发特性的影响[J].热带亚热带植物学报,2017,25(4):331~338

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History
  • Received:November 15,2016
  • Revised:March 17,2017
  • Adopted:May 08,2017
  • Online: July 18,2017
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