Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of <em>Ginkgo biloba</em>

LUO Ping-yuan; SHI Ji-kong; ZHANG Wan-ping

Volume 23 Issue 5

Feb. 2017

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LUO Ping-yuan, SHI Ji-kong, ZHANG Wan-ping. Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba[J]. Journal of Zhejiang A&F University, 2006, 23(5): 532-537.

Citation:

LUO Ping-yuan, SHI Ji-kong, ZHANG Wan-ping. Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba[J]. Journal of Zhejiang A&F University, 2006, 23(5): 532-537.

Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

1.
College of Forestry , Guizhou University , Guiyang 550025, Guizhou, China;
2.
College of Agriculture ,Guizhou University , Guiy ang 550025 , Guizhou, China

Received Date: 2005-10-25
Rev Recd Date: 2006-04-29
Publish Date: 2006-10-20

Abstract

In order to find out the physiological mechanism of female flower buds differentiation in Ginkgo biloba , the changes of endongenous hormones , carbohydrate and mineral nutritions during the differentiation of female flower buds were studied with the methods of ELISA and et al .Results showed that the contents of GA 1 +3 and ABA in female flower buds of Ginkgo biloba at the physiological differentiation stage decreased , the contents of ZRs and iPAs , the ratio of ZRs to GA 1+3 , the ratio of ABA to GA 1 +3 and the ratio of iPAs to GA 1 +3 were at peak values .At morphological differentiation stage , the contents of ZRs and iPAs , the ratio of ZRs to GA 1 +3 and the ratio of iPAs to GA 1 +3 were low , but the contents of ABA and the ratio of ABA to GA 1+3 in flower buds were higher than those in leaf buds .The contents of K and total carbohydrate in bud leaves of female flowers were higher than those in bud leaves of female shoots during the whole period ;while the content of total N in bud leaves of female flowers was lower than that of bud leaves of female shoots .The content of P in bud leaves of female flowers was higher than that in bud leaves of female shoots at physiological differentiation stage .Results indicated that the contents of ABA , ZRs , iPAs and K were associated with inducement and differentiation of female flower buds of Ginkgo biloba . [ Ch , 11 fig .16 ref .]
- batany,
- Ginkgo biloba,
- female flower bud,
- differentiation,
- endogenous hormones,
- carbohydrate,
- mineral nutrition

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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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Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou, China;

2. College of Agriculture ,Guizhou University , Guiy ang 550025 , Guizhou, China

Received Date: 2005-10-25

Rev Recd Date: 2006-04-29

Publish Date: 2006-10-20

Key words:

Abstract: In order to find out the physiological mechanism of female flower buds differentiation in Ginkgo biloba , the changes of endongenous hormones , carbohydrate and mineral nutritions during the differentiation of female flower buds were studied with the methods of ELISA and et al .Results showed that the contents of GA 1 +3 and ABA in female flower buds of Ginkgo biloba at the physiological differentiation stage decreased , the contents of ZRs and iPAs , the ratio of ZRs to GA 1+3 , the ratio of ABA to GA 1 +3 and the ratio of iPAs to GA 1 +3 were at peak values .At morphological differentiation stage , the contents of ZRs and iPAs , the ratio of ZRs to GA 1 +3 and the ratio of iPAs to GA 1 +3 were low , but the contents of ABA and the ratio of ABA to GA 1+3 in flower buds were higher than those in leaf buds .The contents of K and total carbohydrate in bud leaves of female flowers were higher than those in bud leaves of female shoots during the whole period ;while the content of total N in bud leaves of female flowers was lower than that of bud leaves of female shoots .The content of P in bud leaves of female flowers was higher than that in bud leaves of female shoots at physiological differentiation stage .Results indicated that the contents of ABA , ZRs , iPAs and K were associated with inducement and differentiation of female flower buds of Ginkgo biloba . [ Ch , 11 fig .16 ref .]

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Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

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通讯作者: 陈斌, bchen63@163.com

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Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou, China;

2. College of Agriculture ,Guizhou University , Guiy ang 550025 , Guizhou, China

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Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

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通讯作者: 陈斌, bchen63@163.com

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Changes of endogenous hormones , carbohydrate and mineral nutrition during the differentiation of female flower buds of Ginkgo biloba

1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou, China; 2. College of Agriculture ,Guizhou University , Guiy ang 550025 , Guizhou, China

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1. College of Forestry , Guizhou University , Guiyang 550025, Guizhou, China;

2. College of Agriculture ,Guizhou University , Guiy ang 550025 , Guizhou, China