Method for improving ornamental value of flower color of agapanthus praecox

An ornamental and Agacia lotus technology, which is applied in the field of improving the ornamental color of Agacia japonica to achieve the effects of improving the ornamental quality, the cultivation environment is easy to obtain, and the cultivation time is short.

Active Publication Date: 2021-08-10
SHANGHAI JIAO TONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Light is a necessary environmental condition for plant growth. Different photoperiods, light intensity, and light quality all have very important effects on plant growth, but the effect of light on the coloring of Agapanthus petals has not been reported yet.

Method used

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  • Method for improving ornamental value of flower color of agapanthus praecox
  • Method for improving ornamental value of flower color of agapanthus praecox

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] In November 2019, I purchased perennial plants of Agapanthus abatana from the company, and placed them in a cultivation room for white light cultivation. The cultivation conditions were 20°C, 16h light / 8h dark, and the light intensity was 1500lx. The scapes of Agapanthus scapes were pulled out until the beginning of March 2021. Buds form. Then in March 2021, the following experiments were carried out in the light incubator.

[0032] On March 16, 2021, the buds of Agapanthus are about to crack. Transfer the Agapanthus plants to a single blue light (wavelength 440nm-470nm, light intensity 1500lx) incubator for cultivation. The cultivation environment is constant temperature 25°C, photoperiod 16h light and 8h dark. Take it out after 7 days of cultivation, take pictures and record and detect the content of anthocyanins in the petals. Put 1g of petals in 5mL of methanol (containing 10% hydrochloric acid) solution and extract at 4°C for 12h. Take two 2mL anthocyanin extrac...

Embodiment 2

[0035] The steps of this example are the same as those of Example 1, except that the Agapanthus plants with buds are transferred to a single red light (wavelength is 640nm-660nm, light intensity is 1500lx) incubator for cultivation, and the cultivation environment is constant temperature 25°C, photoperiod 16h light and 8h dark. Take it out after 7 days of cultivation, take pictures and record and detect the content of anthocyanins in the petals, the detection method is the same as that in Example 1.

[0036] The results showed that the coloring speed of Agapanthus flowers treated with red light was slightly faster than that treated with white light, but the coloring area of ​​petals was uneven, and the color of flowers was inconsistent, but the color hue and saturation of flowers were similar to those of white light. Such as figure 1 As shown, the anthocyanin content in the petals of Agapanthus treated with red light was 24.78 μg / g, while that in the petals cultured under whi...

Embodiment 3

[0038] The procedure of this example is the same as that of Example 1, except that a single blue light (wavelength 440nm-470nm, light intensity 1500lx) is cultured for 7 days and transferred to white light (wavelength 400-760nm, light intensity 1500lx) for cultivation Cultivate in a box with a constant temperature of 25°C and a photoperiod of 16 hours in light and 8 hours in darkness. After continuing to cultivate for 7 days, take it out, take pictures and record it, and detect the content of anthocyanins in the petals. The detection method is the same as in Example 1.

[0039] The results showed that after the Agapanthus plants cultured in the blue light environment were transferred to the white light culture, the Agapanthus flowers continued to maintain a darker blue color, and the coloring area and the number of colored flowers were more than those of the petals without blue light treatment. Such as figure 2 As shown, after testing, the anthocyanin content in Agapanthus pe...

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Abstract

The invention provides a method for improving the ornamental value of the flower color of agapanthus praecox. The method comprises the following steps of (1) in a normal culture environment, obtaining agapanthus praecox plants with buds; (2) transferring the agapanthus praecox plants to different light quality environments for culturing when the buds are about to crack; and (3) transferring the agapanthus praecox plants cultured in different light quality environments into a normal culture environment, and carrying out supplementary light culture or white light culture. According to the method, by means of facility regulation and control, the flower color of the agapanthus praecox is improved, and the ornamental value of the agapanthus praecox is improved.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a method for improving and regulating the color of agapanthus flowers, in particular to a method for improving the ornamental color of agapanthus flowers. Background technique [0002] Agapanthus praecox is a plant of the genus Agapanthus of the family Amaryllidaceae, native to southern South Africa. Agapanthus has strong adaptability and few pests and diseases. It can be cultivated as potted flowers, flower beds, mirror plants, or as fresh cut flowers. It has a wide range of applications. The flowering period of Agapanthus is from June to September. The flowers are blue-purple and white. There are large flowers, variegated leaves, and dwarf varieties. Because of its high ornamental value, strong adaptability, and extensive cultivation management, it is very popular in domestic garden applications and flower markets. [0003] It has been nearly 20 years since Agapanth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/60A01G7/04
CPCA01G22/60A01G7/045Y02P60/14
Inventor 陈冠群申晓辉申瑞雪
Owner SHANGHAI JIAO TONG UNIV
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