WO2022142283A1

WO2022142283A1 - Method for full-artificial light cultivation of herbaceous spice plant

Info

Publication number: WO2022142283A1
Application number: PCT/CN2021/107137
Authority: WO
Inventors: 李阳; 陈艺群; 吕小玉
Original assignee: 福建省中科生物股份有限公司
Priority date: 2020-12-30
Filing date: 2021-07-19
Publication date: 2022-07-07
Also published as: CN112640681A

Abstract

Disclosed is a method for full-artificial light cultivation of an herbaceous spice plant; in the present invention, by means of controlling light environment parameters, that is, controlling the sum of the proportions of light quanta, at 380–780 nm, of red light (600–699 nm) and green light (500–599 nm) is 71–76%, and the range of the light quantum ratio of red light (600–699 nm) to green light (500–599 nm) to be 2.1–3.7, it is possible to achieve year-round production of safe and healthy, green, pollution-free herbaceous spice plants at a high yield. The invention is easy to operate, and easy to promote widely.

Description

A kind of artificial light cultivation method of herbal spice plants

technical field

The invention belongs to the technical field of plant cultivation, and in particular relates to a total artificial light cultivation method for herbal spice plants.

Background technique

There are many kinds of herbs and spices, mainly basil, fennel, basil, mint, angelica, licorice, purslane and so on. Herbs and spice plants are basically used as medicines as whole herbs, are edible, have an aromatic smell, and their extracts have medicinal value, so they are widely used in daily diets. Since some herbal spice plants, such as basil, are a natural health care, medicinal and edible resource plant worthy of promotion, the market demand has continued to increase in recent years, and the cultivation area of edible basil has also shown an increasing trend. Herbs and spice plants are mainly edible, so there are higher requirements for the quality and safety of spice plants.

At present, herbal spice plants are mainly cultivated in open fields, which are easily restricted by the natural environment, and cannot achieve annual cultivation and production. At the same time, some heavy metal pollution carried by the soil itself makes it impossible to produce safe, healthy, green, and pollution-free herbal spice plants.

SUMMARY OF THE INVENTION

In view of this, the object of the present invention is to provide a kind of artificial light cultivation method of herbal spice plant, the present invention carries out herbal spice plant cultivation through all artificial light, can realize the annual production of safe, healthy, green, pollution-free herbal spice plant .

The concrete technical scheme that the present invention takes is:

An all-artificial light cultivation method for herbal spice plants, wherein the wavelength range of the all-artificial light source used is 380-780nm, wherein the number of photons of red light (600-699nm) and green light (500-599nm) accounts for a wavelength of 380-780nm The sum of the ratios of the total photon numbers in the range is 71-76%, and the ratio of the photon numbers of red light (600-699 nm) to green light (500-599 nm) is in the range of 2.1-3.7.

Further, the photon number of green light (500-599nm) accounts for 15-24% of the total photon number in the wavelength range of 380-780nm; the photon number of red light (600-699nm) accounts for the wavelength in the range of 380-780nm. The proportion of the total internal photon number is 48-59%.

Further, the illumination intensity of the all-artificial light source is 150-400 μmol/㎡·s, and the photoperiod is 9-16 h/d.

Preferably, described cultivation method specifically comprises the steps:

(1) Pre-sowing treatment: Select the seeds of herbal spice plants with full grains, soak them in warm water at 50-55°C for 15-20min, and then soak them in clean water at 25-30°C for 7-8h;

(2) Sowing and germination: Sow the seeds into the seedling sponge block, 1 seed per hole, after sowing, germinate at 22-25°C, keeping the humidity 70-80%;

(3) Seedling raising and management: After the seeds are white, move the seeds to a full artificial light source for light treatment, the light intensity is 150-300μmol/㎡·s, and the photoperiod is 9-15h/d. After the cotyledons grow, use The nutrient solution is cultured, the EC of the nutrient solution is 0.8-1.2mS/cm, and the pH is 5.5-7.5;

(4) Management during planting: When the seedlings of herbal spice plants grow to 3-4 leaves and 1 heart, the seedlings of herb spice plants are sub-planted on the hydroponic module for full artificial light illumination treatment, and 2/3 of the root system is kept immersed in In the nutrient solution, the EC of the nutrient solution is 1.5-1.8mS/cm, the pH is 5.5-7.5, the temperature of the nutrient solution is 18-22°C, the dissolved oxygen content is 5-6mg/L, and the photoperiod of the full artificial light source is 10-16h/ d, the light intensity is 200-400μmol/㎡·s;

(5) Harvesting: When the herbal spice plants are covered with side branches and reach a height of 25-30cm, the harvest can be started one after another. Some side branches and main stems are cut off, and axillary buds and some small side branches are retained, and multiple harvests can be realized.

Further, there is a tray under the seedling sponge block described in step (2) to add pure water, and the water level of the pure water is flush with the lower surface of the sponge.

Further, the environmental conditions during the seedling growing period are: the ambient temperature is 21-23° C. during the day, 18-20° C. at night, and the ambient humidity is 70-80%.

Further, the environmental conditions during the planting period are as follows: the environmental temperature conditions are 21-24° C. during the day, 18-20° C. at night, and the environmental humidity is 70-80%.

The beneficial effects of the present invention are as follows: the present invention provides a total artificial light cultivation method for herbal spice plants, and the present invention controls the light environment parameters, that is, controls the intensity of red light (600-699nm) and green light (500-599nm). The sum of the proportions of photons at 380-780nm is 71-76%, and the ratio of photons of red light (600-699nm) to green light (500-599nm) is in the range of 2.1-3.7, which can achieve safe and healthy annual production. , green, pollution-free herbs and spices, and high yield. It is easy to operate and easy to promote.

Description of drawings

FIG. 1 is a schematic diagram of the light wave peak value of the LED lamp 7;

FIG. 2 is a schematic diagram of the light wave peak value of the LED lamp 9;

FIG. 3 is a schematic diagram of the light wave peak value of the LED lamp 11 .

Detailed ways

The present invention will be described in further detail below in conjunction with the examples, but the embodiments of the present invention are not limited to this. Without departing from the above-mentioned technical idea of the present invention, various replacements and changes are made according to common technical knowledge and conventional means in the field. , should be included in the scope of the present invention.

The embodiment of the present invention provides a full artificial light cultivation method for herbal spice plants, comprising:

Pre-sowing treatment: Select the full-grained herbal spice plant seeds, soak them in warm water at 50-55°C for 15-20 minutes, and then soak them in water at 25-30°C for 7-8 hours.

Sowing and germination: Sow the seeds into the nursery sponge blocks, 1 seed per hole, and then put them in a germination box at 22-25°C for germination, and keep the humidity at 70-80%.

Seedling raising and management: Move the seeds to LED light for light treatment until the seeds are white The sum of the ratios is 71-76%, and the photon ratio of red light (600-699nm) to green light (500-599nm) is in the range of 2.1-3.7, the light intensity is 150-300μmol/㎡·s, and the photoperiod is 9- 15h/d, after the cotyledons grow, change to nutrient solution culture, EC is 0.8-1.2mS/cm, pH is 5.5-7.5, ambient temperature is 21-23°C during the day, 18-20°C at night, and ambient humidity is 70- 80%;

Management during planting: When the seedlings of herbal spice plants grow to 3-4 leaves and 1 heart, the seedlings of herbal spice plants are planted on the hydroponic module and treated with LED light. The LED spectrum composition is the same as the seedling period, maintaining 2/3 The root system of the nutrient solution was soaked in a nutrient solution, the EC of the nutrient solution was 1.5-1.8mS/cm, the pH was 5.5-7.5, the temperature of the nutrient solution was 18-22°C, and the dissolved oxygen was 5-6mg/L. The ambient temperature conditions are 21-24°C during the day, 18-20°C at night, and the ambient humidity is 70-80%. The spectrum of the LED light source satisfies the spectral light quantum distribution proposed in the present invention, the photoperiod is 10-16h/d, and the light intensity on the blade surface is guaranteed to be 200-400μmol/㎡·s.

Harvesting: When the herbal spice plants are covered with side branches and reach a height of 25-30cm, the harvest can be started one after another. Some side branches and main stems are cut off, and axillary buds and some small side branches are retained to achieve multiple harvesting.

The present invention will be described in detail below with specific embodiments.

Implementation Case 1

The Greek basil variety was selected as the test material. The seeds were first soaked in warm water at 55°C for 18 minutes, and then soaked in water at 25°C for 8 hours. After the soaking, the mucus on the surface of the seeds was scrubbed vigorously. After the cleaning is complete, the seeds are sown into the seedling sponge block, 1 seed per hole, sprayed with pumping water after sowing, and put into a 23 ℃ germination box for germination. After the seeds turned white, the seeds were moved to the LED light for treatment, the light intensity was 200 μmol/㎡·s, and the photoperiod was 10 h/d. 6.5. When the seedlings grow to 3 leaves and 1 heart, transplant the seedlings to a special hydroponic module. The EC of the nutrient solution is 1.7mS/cm, the pH is 6.5, the temperature of the nutrient solution is 20°C, and the dissolved oxygen is 5- 6mg/L. The ambient temperature conditions were 22°C during the day and 18°C at night. The light source was a fluorescent lamp as a control, 7 kinds of control examples and 6 kinds of example spectra were set, the light intensity was 250 μmol/㎡·s, and the photoperiod was 12 h/d. Greek basil was cultivated according to the above-mentioned cultivation method, and the light source parameters were used as the respective examples and control examples. The experimental results are shown in Table 1:

Table 1

The test results show that, compared with the control examples 1-7, the Greek basil treated by the examples 1-6 has a faster growth rate and higher yield, and the example 5 is 33.10% higher than the control example 1.

Although the above embodiments have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic inventive concept, so the above is only the implementation of the present invention For example, it does not limit the scope of patent protection of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly used in other related technical fields, are similarly included in this document. The invention is within the scope of patent protection.

Claims

An all-artificial light cultivation method for herbal spice plants, characterized in that the wavelength range of the all-artificial light source used is 380-780nm, wherein the number of photons of red light (600-699nm) and green light (500-599nm) occupies the wavelength In the range of 380-780nm, the sum of the ratio of the total photon number is 71-76%, and the ratio of the photon number of red light (600-699nm) to green light (500-599nm) is in the range of 2.1-3.7.
The total artificial light cultivation method of a kind of herbal spice plant according to claim 1, is characterized in that, the photon number of green light (500-599nm) accounts for 15-24% of the total photon number with wavelength in the range of 380-780nm ; The photon number of red light (600-699nm) accounts for 48-59% of the total photon number in the wavelength range of 380-780nm.
The total artificial light cultivation method for herbal spice plants according to claim 1 or 2, wherein the light intensity of the all artificial light source is 150-400 μmol/㎡·s, and the photoperiod is 9-16 h/d.
The total artificial light cultivation method of a kind of herbal spice plant according to claim 1 and 2, is characterized in that, comprises the steps:

(1) Pre-sowing treatment: Select the seeds of herbal spice plants with full grains, soak them in warm water at 50-55°C for 15-20min, and then soak them in clean water at 25-30°C for 7-8h;

(2) Sowing and germination: Sow the seeds into the seedling sponge block, 1 seed per hole, after sowing, germinate at 22-25°C, keeping the humidity 70-80%;

(3) Seedling raising and management: After the seeds are white, move the seeds to a full artificial light source for light treatment, the light intensity is 150-300μmol/㎡·s, and the photoperiod is 9-15h/d. After the cotyledons grow, use The nutrient solution is cultured, the EC of the nutrient solution is 0.8-1.2mS/cm, and the pH is 5.5-7.5;

(4) Management during planting: When the seedlings of herbal spice plants grow to 3-4 leaves and 1 heart, the seedlings of herb spice plants are sub-planted on the hydroponic module for full artificial light illumination treatment, and 2/3 of the root system is kept immersed in In the nutrient solution, the EC of the nutrient solution is 1.5-1.8mS/cm, the pH is 5.5-7.5, the temperature of the nutrient solution is 18-22°C, the dissolved oxygen content is 5-6mg/L, and the photoperiod of the full artificial light source is 10-16h/ d, the light intensity is 200-400μmol/㎡·s;

(5) Harvesting: treat herbal spice plants with overgrown side branches, after reaching the height of 25-30cm, just can start picking one after another, cut off some side branches and main poles, keep axillary buds and some small side branches, and can realize multiple harvesting.
A kind of artificial light cultivation method of herbal spice plant according to claim 4, is characterized in that, there is a tray under the sponge block for raising seedlings in step (2) and pure water is added, and the water level of pure water is flush with the lower surface of the sponge.
The total artificial light cultivation method for herbal spice plants according to claim 4, characterized in that, the environmental conditions during the seedling-raising period are as follows: the ambient temperature is 21-23° C. during the day, 18-20° C. at night, and the ambient humidity is 70-80%.
A kind of artificial light cultivation method of herbal spice plant according to claim 4, it is characterized in that, the environmental conditions of the planting period are: the environmental temperature conditions are 21-24 ℃ during the day, 18-20 ℃ at night, and the environmental humidity is 70-80% .