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Method for accelerating flower bud differentiation of osmanthus fragrans

A technique of flower bud differentiation and sweet-scented osmanthus, which is used in gardening methods, botanical equipment and methods, horticulture, etc.

Active Publication Date: 2013-12-11
HANGZHOU LANDSCAPING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few research reports on the regulation of sweet-scented osmanthus flower buds, let alone the regulation of natural flowering in landscaping.

Method used

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  • Method for accelerating flower bud differentiation of osmanthus fragrans
  • Method for accelerating flower bud differentiation of osmanthus fragrans

Examples

Experimental program
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Effect test

Embodiment 1

[0009] Example 1: The variety is Yanhonggui three-year-old container seedlings, and the implementation period is 2010. The experiment is divided into five groups, single hormone spraying treatment: paclobutrazol group, butyrazide group; mixed hormone spraying treatment: gibberellin + paclobutrazol group , gibberellin + diethylhydrazide group; no hormone was sprayed as the control group, and 30 plants were treated in each group. The processing started on April 25, and the number of flower buds in each pot was counted from late September, and the flowering period was recorded.

[0010] Paclobutrazol group and dinozide group: Spray 500ppm paclobutrazol or 250ppm dinozide for the first time on April 25, spray 500ppm paclobutrazol or 250ppm dinozide for the second time on April 30, spray the third time on May 5 500ppm paclobutrazol or 250ppm butyrhydrazide.

[0011] Spray gibberellin + paclobutrazol group, gibberellin + diethylhydrazide group: spray 200ppm gibberellin for the firs...

Embodiment 2

[0012] Example 2: The variety is Yanhonggui three-year-old container seedlings, and the implementation period is 2010. The experiment is divided into five groups, single hormone spraying treatment: paclobutrazol group, butyrazide group; mixed hormone spraying treatment: gibberellin + paclobutrazol group , gibberellin + diethylhydrazide group, without any hormone spray as the control group, 30 plants were treated in each group. The treatment started on May 10, and the number of flower buds in each pot was counted from late September, and the flowering period was recorded.

[0013] Paclobutrazol group and dinozide group: spray 500ppm paclobutrazol or 250ppm dinozide for the first time on May 10, spray 500ppm paclobutrazol or 250ppm dinozide for the second time on May 16, spray the third time on May 22 500ppm paclobutrazol or 250ppm butyrhydrazide;

[0014] Spray gibberellin + paclobutrazol group, gibberellin + diethylhydrazide group, spray 200ppm gibberellin for the first time ...

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Abstract

The invention relates to a method adopting hormones to promote flower bud differentiation of osmanthus fragrans. The method is characterized in that paclobutrazol of 500ppm is sprayed when spring twigs are substantially capped, paclobutrazol is sprayed once every 6 days and for three times in a term, paclobutrazol of 500ppm can be replaced with daminozide of 250ppm. The number of flower buds can be increased, the number of the flower buds sprayed with paclobutrazol can be 15.4-23.3% more than the conventional number, and the number of the flower buds sprayed with daminozide is 16.1-21.7% more than the conventional number. Based on study on endogenesis hormones and proportion variation of various hormones and the like in the process of flower bud differentiation and floral organogenesis of osmanthus fragrans, the method promotes flower bud differentiation of osmanthus fragrans according to variation of the endogenesis hormones and through application of exogenous hormones, increases the number of the flower buds and flowering times, prolongs an ornamental period, and improves integral ornamentation.

Description

technical field [0001] The invention belongs to the field of flower cultivation, and in particular relates to a method for promoting flower bud differentiation of osmanthus fragrans. Background technique [0002] Osmantus fragrans Lour. has a long history of cultivation in my country, about 2,500 years ago. In 1987, osmanthus was selected as one of the top ten traditional Chinese flowers. It is characterized by beautiful trees, green leaves like clouds, and four seasons. Green, fragrant and fragrant, widely used in gardens. Compared with many traditional famous flowers in China, the overall research on osmanthus started relatively late. The research is mainly concentrated in the country, and it is only found in the identification and analysis of the aroma components of osmanthus fragrans abroad, while domestic research on osmanthus fragrans mainly focuses on basic research such as species resource investigation, classification and evaluation. The flower color, flower quanti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 沈柏春付磊钟凤英
Owner HANGZHOU LANDSCAPING
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