Progresses on flower bud differentiation and flower opening in <em>Osmanthus fragrans</em>

WANG Ying; ZHANG Chao; FU Jianxin; ZHAO Hongbo

doi:10.11833/j.issn.2095-0756.2016.02.021

Volume 33 Issue 2

Mar. 2016

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WANG Ying, ZHANG Chao, FU Jianxin, ZHAO Hongbo. Progresses on flower bud differentiation and flower opening in Osmanthus fragrans[J]. Journal of Zhejiang A&F University, 2016, 33(2): 340-347. doi: 10.11833/j.issn.2095-0756.2016.02.021

Citation:

WANG Ying, ZHANG Chao, FU Jianxin, ZHAO Hongbo. Progresses on flower bud differentiation and flower opening in Osmanthus fragrans[J]. Journal of Zhejiang A&F University, 2016, 33(2): 340-347. doi: 10.11833/j.issn.2095-0756.2016.02.021

Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

doi: 10.11833/j.issn.2095-0756.2016.02.021

1.
School of Landscape Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Funds:

国家自然科学基金资助项目（31101571，31400598）;浙江省自然科学基金资助项目（Y3100332，LQ16C160003）;浙江农林大学科研发展基金人才启动项目（2014FR072）

Received Date: 2015-05-05
Rev Recd Date: 2015-06-05
Publish Date: 2016-04-20

Abstract

Osmanthus fragrans is one of the most important ornamental plants in China. Due to the difference in the requirement to the conditions of environmental factors between flower differentiation and flower opening, these two processes are relatively independent in this species. Combining the previous references on flower bud differentiation and flower opening with our researches, we summarize the progresses on flower bud differentiation and flower opening and their environmental factors, and then simultaneously analyze the corresponding mechanism, hoping to provide an overview and useful information for approaching researches. Flower bud differentiation of one-blossom genotypes （at autumn） of O. fragrans is finished under relatively high-temperature at summer, and the relative low-temperature treatment can promote this process. The flower differentiation of autumn-blossom in multi-blossom genotypes is similar with the one-blossom ones, however the mechanism of other-season blossom is obviously different. Flowers open only after the receptivity of a certain amount of chilling at autumn. The sensitivity difference to chilling requirement among different genotypes leads to the variation of flowering time. ［Ch, 2 tab. 31 ref.］
- botany,
- Osmanthus fragrans,
- flower bud differentiation,
- flowers opening,
- environmental conditions,
- review

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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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Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

1. School of Landscape Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

Funds:

国家自然科学基金资助项目（31101571，31400598）;浙江省自然科学基金资助项目（Y3100332，LQ16C160003）;浙江农林大学科研发展基金人才启动项目（2014FR072）

Received Date: 2015-05-05

Rev Recd Date: 2015-06-05

Publish Date: 2016-04-20

Key words:

Abstract: Osmanthus fragrans is one of the most important ornamental plants in China. Due to the difference in the requirement to the conditions of environmental factors between flower differentiation and flower opening, these two processes are relatively independent in this species. Combining the previous references on flower bud differentiation and flower opening with our researches, we summarize the progresses on flower bud differentiation and flower opening and their environmental factors, and then simultaneously analyze the corresponding mechanism, hoping to provide an overview and useful information for approaching researches. Flower bud differentiation of one-blossom genotypes （at autumn） of O. fragrans is finished under relatively high-temperature at summer, and the relative low-temperature treatment can promote this process. The flower differentiation of autumn-blossom in multi-blossom genotypes is similar with the one-blossom ones, however the mechanism of other-season blossom is obviously different. Flowers open only after the receptivity of a certain amount of chilling at autumn. The sensitivity difference to chilling requirement among different genotypes leads to the variation of flowering time. ［Ch, 2 tab. 31 ref.］

Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

doi: 10.11833/j.issn.2095-0756.2016.02.021

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

doi: 10.11833/j.issn.2095-0756.2016.02.021

1. School of Landscape Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

doi: 10.11833/j.issn.2095-0756.2016.02.021

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通讯作者: 陈斌, bchen63@163.com

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Progresses on flower bud differentiation and flower opening in Osmanthus fragrans

doi: 10.11833/j.issn.2095-0756.2016.02.021

1. School of Landscape Architecture, Zhejiang A & F University, Lin’an 311300, Zhejiang, China

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