Planting method of chrysanthemum in light type plant factory

A planting method, chrysanthemum technology, applied in botany equipment and methods, plant cultivation, planting substrate, etc., can solve the problems of low light energy utilization rate of plants and unusable plants

Inactive Publication Date: 2016-11-09
HUNAN AGRICULTURAL UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] According to research, the absorption of light by plants is not full-band, but selective. When the wavelength is 400-700nm, it can be used for photosynthesis, which is called photosynthetically active radiation. Ultraviolet light with a wavelength of less than 400nm and 700-800nm Far-red light cannot directly act on photosynthesis, but it can be used as an environmental signal to regulate plant growth and development process and metabolism; light plants with a wavelength greater than 800nm ​​cannot use it, and mostly dissipate it in the form of heat radiation
Therefore, for light sources that emit light at continuous wavelengths (300-1500nm or wider wavelength range) such as incandescent lamps, plants have a low utilization rate of light energy.

Method used

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  • Planting method of chrysanthemum in light type plant factory
  • Planting method of chrysanthemum in light type plant factory
  • Planting method of chrysanthemum in light type plant factory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The different growth stages of cut chrysanthemum "Shenma" are divided into three growth stages: vegetative growth stage, photosensitive stage and flowering stage.

[0056] Vegetative growth period: light source setting: its spectral characteristics are: the spectrum contains two emission peaks, the first emission peak is located at 430nm, the relative height is 1, and the half maximum width is 20-30nm; the second emission peak is 570nm, the relative height 0.55 FWHM 35-50nm; light intensity: 79μmol / m 2 / s; daily light time: 14h; daytime temperature is controlled at 15-22°C, night temperature is controlled at 13-20°C, humidity is controlled at 60%-70%; water is directly sprayed through the automatic sprinkler system; hydroponics is used in the vegetative growth period The method of preparing a mother solution with a pH of 6.8, and replenishing the roots every other week. The agronomic traits of the plants in the vegetative growth period are shown in Table 2.

[0057] T...

Embodiment 2

[0074] Other conditions are completely consistent with Example 1; Differences are shown in Table 5;

[0075] Spectral characteristics of table 5 embodiment 2 illumination conditions

[0076]

[0077] For research needs, the entire planting period in this example is 38 days. 10-15 days after entering the flowering period, the leaves of chrysanthemums are green and the flowers are bright.

[0078] When used as a commercial planting application, its cycle is controlled at 35-40 days.

Embodiment 3

[0080] Other conditions are completely consistent with Example 1; Differences are shown in Table 6;

[0081] The spectral characteristic of table 6 embodiment 3 illumination conditions

[0082]

[0083] For research needs, the entire planting period in this example is 40 days. 10-15 days after entering the flowering period, the leaves of chrysanthemums are green and the flowers are bright.

[0084] When used as a commercial planting application, its cycle is controlled at 40-47 days.

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Abstract

The invention relates to a planting method of chrysanthemum in light type plant factory, belonging to the technical field of agriculture. Different light conditions are adopted for three growth phases of the chrysanthemum, namely the vegetative growth phase, reproductive phase and flowering phase according to the chrysanthemum characteristics of liking light and warm humid climate, strong adaptability and the like, and the growth of the chrysanthemum is promoted; the light conditions comprise the number of the emission peak of light source spectrum; the wave length, the half-width and the relative height of the position where the emission peak is located, light intensity, and light time every day. According to the synergistic effect of light conditions and temperature, humidity, fertilizer application condition and ventilation, the cultivating cycle is shortened while the ornamental value of the chrysanthemum is added and the flowers are fuller, thereby improving the economic benefit.

Description

technical field [0001] The invention relates to a method for planting chrysanthemums in a light-type plant factory and belongs to the field of agricultural technology. technical background [0002] In recent years, the world's flower industry has grown at an average annual rate of 25%, far exceeding the average rate of world economic growth, and has become one of the most dynamic industries in the world. And the output of cut chrysanthemum, which ranks first among the four major cut flowers, has developed into the highest flower species in the total output value of international commercial flowers. Because it is a perennial herb, sweet in taste and cold in nature, it is often used for wind-heat cold, headache and dizziness, dispelling wind and heat, clearing liver and improving eyesight, etc. It has high medicinal value and has various flower patterns, rich colors and wide uses , transportation and storage resistance, long vase life, easy breeding and cultivation, low cost,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/04A01G31/00
CPCA01G7/045A01G22/00A01G24/00Y02P60/14
Inventor 周智朱雅雯周南刘晓颖王变变卢向阳
Owner HUNAN AGRICULTURAL UNIV
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