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芍药种子露地播种和低温贮藏过程中内源激素含量的变化(PDF)

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

Issue:
2006年01期
Page:
45-48
Column:
研究论文
publishdate:
2006-01-20

Article Info:/Info

Title:
Changes of Endogenous Hormones During Outdoor Sowing and Cold Storage of Paeonia lactiflora Seeds
Article ID:
1000-2006(2006)01-0045-04
Author(s):
JIN Biao12 DING Ling2 HE Xiao-di2 JIA Ni2 LI Na2 XIANG Qi-bai1*
1. College of Forest Resources and Environment Nanjing Forestry University, Nanjing 210037, China; 2. College of Agriculture Yangzhou University, Yangzhou 225009, China; 3. College of Horticulture Nanjing Agricultural University, Nanjing 210095, China
Keywords:
Paeonia lactiflora seed Dormancy Germination Endogenous hormones
Classification number :
S722.1
DOI:
10.3969/j.jssn.1000-2006.2006.01.011
Document Code:
A
Abstract:
The variation in contents of IAA, ABA, GA1+3, ZR during the dormancy and germination of seeds of Paeonia lactiflora was measured in outdoor sowing and in 5℃ cold storage. The result showed, in open field, the contents of ABA of the seeds declined rapidly when hypocotyls began to grow and the contents of GA1+3 were from peak to low during the initial process of epicotyls growing. With the development of embryo, IAA and ZR contents were increased. In 5℃ cold storage, the seeds failed to germinate and cold storage could not reduce ABA contents. GA1+3 contents increased first and then decreased. The contents of IAA and ZR in 5℃ cold treatments were obviously lower than that in open field.

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Last Update: 2013-05-20