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青钱柳种子综合处理过程中内源激素的动态变化

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

Issue:
2008年05期
Page:
85-88
Column:
研究论文
publishdate:
2008-09-30

Article Info:/Info

Title:
Dynamic changes of endogenous hormones in Cyclocarya paliurus seed during stratification
Article ID:
1000-2006(2008)05-0085-04
Author(s):
YANG Wan-xia FANG Sheng-zuo*
College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China
Keywords:
Cyclocarya paliurus A BA GA I AA CTK Breaking dormancy
Classification number :
S722
DOI:
10.3969/j.jssn.1000-2006.2008.05.017
Document Code:
A
Abstract:
Cyclocarya paliurus seeds germinated on the seeond year or the third year in nature. It belonged to a type of comprehensive dormancy. In the paper, the changes af endogenous hormones in the integrative treated C. paliurus was studied. The resuhs showed that the abscisic acid (ABA) in the C. paliurus seeds reduced gradually, but the gibberellic acid (GA), indole-3-acetic acid (IAA) and cytokinin (CTK) increased at the same time. The ratios of gibberellic acid (GA)/abscisic acid (ABA), indole-3-acetic acid (IAA)/abscisic acid (ABA), cytokinin (CTK)/ahscisic acid (ABA) increased uhimately. The experimental results showed that GA promoted seeds germination, and indole-3-acetic acid (IAA) and cylokinin (CTK) affected the seed’s germination, too.

References

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Last Update: 2013-05-20