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欧洲鹅耳枥种子层积过程中贮藏物质及酶活性的变化(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年06期
Page:
157-160
Column:
研究简报
publishdate:
2013-11-27

Article Info:/Info

Title:
Storage substance content and corresponding enzyme activity during the stratification of Carpinus betulus seeds
Article ID:
1000-2006(2013)06-0157-04
Author(s):
ZHU Zunling1 2 LIN Qingmei2 XU Yuanyuan2
1. College of Arts & Design, Nanjing Forestry University, Nanjing 210037, China;
2. College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Carpinus betulus seed stratification starch soluble sugars crude fat soluble protein enzyme activity
Classification number :
S722
DOI:
10.3969/j.issn.1000-2006.2013.06.031
Document Code:
A
Abstract:
In order to determine the changes in seed germination, biochemical composition and enzyme activity after alternative stratification, Carpinus betulus seeds were investigated. The results indicated that the content of starch and crude fat all gradually declined, the soluble protein climbed up first, but then declined, they respectively reduced 39.7%, 92.2%, 2.3% after alternative stratification, compared with CK; the content of soluble sugars obviously increased by 129%, the corresponding enzyme activity had an increase trendency, increased by 550%, 228%, 67%, compared with CK. After being laminated 150 d, the germination percentage increased greatly. The result indicated that alternative stratification could effectively break dormancy of Carpinus betulus L. seeds and the stored substance was continuously catabolism to prepare for the seeds germination in the process of alternative stratification.

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Last Update: 2013-11-30