Dormancy and germination of <em>Osmanthus fragrans</em> seeds

YANG Xiu-lian; HAO QI-mei

doi:10.11833/j.issn.2095-0756.2010.02.018

Volume 27 Issue 2

Apr. 2010

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YANG Xiu-lian, HAO QI-mei. Dormancy and germination of Osmanthus fragrans seeds[J]. Journal of Zhejiang A&F University, 2010, 27(2): 272-276. doi: 10.11833/j.issn.2095-0756.2010.02.018

Citation:

YANG Xiu-lian, HAO QI-mei. Dormancy and germination of Osmanthus fragrans seeds[J]. Journal of Zhejiang A&F University, 2010, 27(2): 272-276. doi: 10.11833/j.issn.2095-0756.2010.02.018

Dormancy and germination of Osmanthus fragrans seeds

doi: 10.11833/j.issn.2095-0756.2010.02.018

YANG Xiu-lian^1
,,
HAO QI-mei²

1.
College of Landscape Architecture，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;
2.
Construction Bureau of Xinyi City，Xinyi 221400，Jiangsu，China

More Information

Corresponding author: YANG Xiu-lian
Publish Date: 2010-04-20

Abstract

To detect reasons for dormancy and methods of breaking dormancy，a bioassay of a methanol extract from Osmanthus fragransZigeng Ziyinseed coats and endosperm as well as germination of seeds treated with Gibberellic acid （GA3） were studied. The cabbage seeds were germinated with methanol extract solution （0.10，0.06，and 0.03 gL－1），by three replications each treatment. And the osmanthus seeds were soaked in different concentrations（500，1 000，and 1 500 mgL－1） GA3 for 48 hours，then stratified with low temperature，and every 15 days，taken out 30 seeds each treatment with four replications for germination. Results showed that the restraining substances were contained in the seed coat and endosperm，and the inhibitory effects became stronger as the extraction solution concentration increased. Integrating results from the prophase，we think that seed dormancy belongs to physiological dormancy. Soaking with 1 000 mgL-1 GA3 followed by cold stratification with sand for 75 d could raise the germination percentage and could be an effective method to overcome dormancy.［Ch，4 fig. 15 ref.］
- botany,
- Osmanthus fragrans,
- seed dormancy,
- germination,
- GA3,
- low temperature treatment

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Proportional views

Dormancy and germination of Osmanthus fragrans seeds

1. College of Landscape Architecture，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;

2. Construction Bureau of Xinyi City，Xinyi 221400，Jiangsu，China

Corresponding author: YANG Xiu-lian

Publish Date: 2010-04-20

Key words:

Abstract: To detect reasons for dormancy and methods of breaking dormancy，a bioassay of a methanol extract from Osmanthus fragransZigeng Ziyinseed coats and endosperm as well as germination of seeds treated with Gibberellic acid （GA3） were studied. The cabbage seeds were germinated with methanol extract solution （0.10，0.06，and 0.03 gL－1），by three replications each treatment. And the osmanthus seeds were soaked in different concentrations（500，1 000，and 1 500 mgL－1） GA3 for 48 hours，then stratified with low temperature，and every 15 days，taken out 30 seeds each treatment with four replications for germination. Results showed that the restraining substances were contained in the seed coat and endosperm，and the inhibitory effects became stronger as the extraction solution concentration increased. Integrating results from the prophase，we think that seed dormancy belongs to physiological dormancy. Soaking with 1 000 mgL-1 GA3 followed by cold stratification with sand for 75 d could raise the germination percentage and could be an effective method to overcome dormancy.［Ch，4 fig. 15 ref.］

Dormancy and germination of Osmanthus fragrans seeds

doi: 10.11833/j.issn.2095-0756.2010.02.018

Abstract

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通讯作者: 陈斌, bchen63@163.com

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Dormancy and germination of Osmanthus fragrans seeds

doi: 10.11833/j.issn.2095-0756.2010.02.018

1. College of Landscape Architecture，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;

2. Construction Bureau of Xinyi City，Xinyi 221400，Jiangsu，China

Corresponding author: YANG Xiu-lian

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Dormancy and germination of Osmanthus fragrans seeds

doi: 10.11833/j.issn.2095-0756.2010.02.018

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通讯作者: 陈斌, bchen63@163.com

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Dormancy and germination of Osmanthus fragrans seeds

doi: 10.11833/j.issn.2095-0756.2010.02.018

1. College of Landscape Architecture，Nanjing Forestry University，Nanjing 210037，Jiangsu，China; 2. Construction Bureau of Xinyi City，Xinyi 221400，Jiangsu，China

Corresponding author: YANG Xiu-lian

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1. College of Landscape Architecture，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;

2. Construction Bureau of Xinyi City，Xinyi 221400，Jiangsu，China