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Early blossoming regulating and controlling method for potted osmanthus fragrans

A technology of early flowering and sweet-scented osmanthus, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of limited utilization value, short flowering period, concentrated flower quantity, etc., and achieve the effect of prolonging the ornamental period and increasing the application value

Inactive Publication Date: 2012-06-27
HANGZHOU LANDSCAPING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of application technology, no matter whether sweet-scented osmanthus is used as a garden plant or picked as an economic flower, the fragrance of the flower is its biggest feature, but the short flowering period and the concentration of flowers greatly limit its various use values.

Method used

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  • Early blossoming regulating and controlling method for potted osmanthus fragrans
  • Early blossoming regulating and controlling method for potted osmanthus fragrans

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0012] 1. Strengthen fertilizer and water management during the growth period of branches and leaves in spring to ensure the good growth of potted osmanthus.

[0013] 2. At the beginning of May when the growth of spring shoots is basically completed, maintain a temperature of 25-30°C to promote the growth of branches and leaves and the differentiation of flower buds.

[0014] 3. Strictly control the temperature one month before the expected flowering, keep the daily average temperature below 24°C or adopt a diurnal temperature change of 28-14°C, humidity 70-80%, daytime light 3000-10000lux, continuous treatment until flowering.

[0015] Further illustrate by specific embodiment below:

Embodiment 1

[0016] Embodiment 1 artificial climate chamber (variety weir Honggui, expected to bloom in late July-mid-August 2010)

[0017] Temperature pretreatment group: grow in a 25°C artificial climate chamber on May 25, put in a 21°C light incubator on July 15, and start flowering on August 1.

[0018] Hormone + temperature control group: grow in an artificial climate chamber at 25°C on May 25th, spray a certain concentration of PP333 or B9 on June 25th, put them in a light incubator at 21°C on July 15th, and grow on July 25th. Partial flowering.

[0019] Single treatment group: placed in an artificial climate box at 22°C on July 24, until early flowering on August 15.

Embodiment 2

[0020] Example 2 air-raid shelter (variety Yan Honggui, expected to bloom in late July-early August 2010)

[0021] Open-field group: put Yanhonggui from the open-field seedling area into the air-raid shelter on August 13, with a temperature of 19-21°C and 12 hours of light. On August 27, it enters the initial flowering period with less flowers.

[0022] Hormone pretreatment group: Spray 200ppm PP333 three times in early May, with an interval of 5-7 days between each time, put it in the air-raid shelter on August 13, the temperature is 19-21 ℃, light for 12 hours, enter the initial flowering period on August 25 , entered the full flowering period on August 27,

[0023] Temperature pretreatment group: Pretreatment at 28 degrees in the artificial climate chamber on July 24th, placed in the air-raid shelter on August 14th, the temperature was 19-21℃, and the light was 12 hours. Entering the full flowering period, the amount of flowers is large.

[0024] Control group: open field...

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Abstract

The invention relates to an early blossoming regulating and controlling method for potted osmanthus fragrans. The regulation and control method is characterized by comprising the following steps of: 1, promoting the growth of branches and leaves and flower-bud differentiation at the temperature of between 25 and 30 DEG C in early May when spring twigs sprout basically; and 2, strictly controlling the temperature one month before expected blooming, and treating continuously at the daily mean temperature of less than 24 DEG C or variable diurnal temperature of between 14 and 28 DEG C under the conditions that the humidity is between 70 and 80 percent and that the illumination of daytime is between 3,000 and 10,000 lux until the osmanthus fragrans bloom. According to the regulation and control method, the blooming mechanism of the osmanthus fragrans are found by the studying the flower-bud differentiation, floral organogenesis rule, physiological and biochemical change in the flower-bud differentiation process, the relation between environmental factors and the flower-bud differentiation and the like of different varieties of the osmanthus fragrans; and the temperature is regulated and controlled to promote autumn osmanthus fragrans to bloom a month and a half to two months ahead, so that the flower season of the osmanthus fragrans is regulated, the ornamental period of the osmanthus fragrans is prolonged, and the application value and added value of the potted osmanthus fragran commodities are improved.

Description

technical field [0001] The invention belongs to the field of flower cultivation, in particular to a control method for early flowering of potted sweet-scented osmanthus. 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. The inflorescences of sweet-scented osmanthus are born on the branches of the current year. They are cymes or clusters of 3-9 small flowers. The natural flowering period is from late September to early October. It blooms 1-2 times a year. Each flowering period 6-8 days, and the flowering period of a single flower is 2-4 days. The length of the flowering period and the morning and evening of flowering vary depending on the variety, region or annual climate change. [...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06
Inventor 丁旭升沈晓萍高建国
Owner HANGZHOU LANDSCAPING
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