CN113973657A - Indoor cultivation method of hemp - Google Patents
Indoor cultivation method of hemp Download PDFInfo
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- CN113973657A CN113973657A CN202111355076.2A CN202111355076A CN113973657A CN 113973657 A CN113973657 A CN 113973657A CN 202111355076 A CN202111355076 A CN 202111355076A CN 113973657 A CN113973657 A CN 113973657A
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 66
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 title claims abstract description 61
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 title claims abstract description 61
- 235000009120 camo Nutrition 0.000 title claims abstract description 60
- 235000005607 chanvre indien Nutrition 0.000 title claims abstract description 60
- 239000011487 hemp Substances 0.000 title claims abstract description 60
- 238000012364 cultivation method Methods 0.000 title claims abstract description 17
- 239000013589 supplement Substances 0.000 claims abstract description 22
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- 239000011324 bead Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
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- 238000000034 method Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 8
- 238000012258 culturing Methods 0.000 claims description 7
- 235000008697 Cannabis sativa Nutrition 0.000 claims description 5
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims description 4
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 claims description 4
- 239000006013 carbendazim Substances 0.000 claims description 4
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- 241000218236 Cannabis Species 0.000 claims 8
- 239000002028 Biomass Substances 0.000 abstract description 7
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- 206010021033 Hypomenorrhoea Diseases 0.000 description 2
- CYQFCXCEBYINGO-UHFFFAOYSA-N THC Natural products C1=C(C)CCC2C(C)(C)OC3=CC(CCCCC)=CC(O)=C3C21 CYQFCXCEBYINGO-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses an indoor cultivation method of hemp, and belongs to the technical field of plant cultivation. The indoor cultivation method of the hemp comprises the following steps: transplanting hemp seedlings into flowerpots, carrying out seedling revival treatment in a dark environment, and then placing potted plants under an LED quantum plate light supplement lamp for light supplement treatment, wherein the light quality of the LED quantum plate light supplement lamp is mixed light of red light and white light; the number proportion relation of the lamp beads corresponding to the red light and the white light is 1: 1-3. The hemp obtained by combining the light quality provided by the invention with other cultivation conditions improves the biomass of the hemp.
Description
Technical Field
The invention relates to the technical field of plant cultivation, in particular to an indoor cultivation method of cannabis sativa.
Background
Cannabis sativa L, a scientific name, is an annual herb plant of Cannabis genus of Urticales family of Moraceae, and is divided into the following economic applications according to the content of delta-9-tetrahydrocannabinol (delta-9-THC), a secondary metabolite in vivo: industrial hemp (Δ -9-THC < 0.3%), medical hemp (0.3% < Δ -9-THC < 0.5%). The industrial hemp has large biomass and low requirement on planting environment, and is widely applied in various fields of textile, building, food, medical, daily chemical and the like due to high-quality fiber attribute, rich nutrition seeds and special medicinal secondary metabolites (cannabinoids), thereby being an environment-friendly crop with high economic value. At present, the planting of industrial hemp in China is mostly concentrated in Yunnan and Heilongjiang. The industrial hemp is lucidie, and the optimal growth temperature is 25-30 ℃. The Yunnan has short illumination and insufficient light intensity in winter, and the Heilongjiang has too low temperature in winter, so that the winter propagation of the marijuana is restricted under the influence of two factors of illumination and temperature; and for the industrial hemp special for extracting medicinal substances, outdoor planting is not beneficial to effective secondary metabolite accumulation compared with indoor planting. Therefore, the growth environment of the industrial hemp is controlled by indoor industrial cultivation, and the problems of difficult propagation of the industrial hemp in winter and long growth period under natural conditions can be solved.
Compared with the traditional light source, the LED light supplement lamp is the most common lighting facility for indoor plant cultivation, has the advantages of more energy saving (the electric power is 47.8 percent of that of a fluorescent lamp), higher radiation efficiency (40 to 70 percent higher than that of a high-pressure sodium lamp or a metal halide lamp), longer service life (generally over 50000 h), smaller volume, higher safety (a micro diode in the lamp is illuminated by a microchip by utilizing current), higher red and blue effective light-mass ratio, adjustable light quality and low heat productivity, can illuminate plants in a short distance, thereby reducing the number of vertical cultivation facility layers and increasing the space utilization rate, and is a more ideal indoor artificial light source. The LED light supplement lamp is used for regulating and controlling the indoor cultivation luminous environment, so that the plant growth state which is more needed in production is obtained, and the method is most economical, practical and convenient.
However, the biomass of hemp obtained by cultivating hemp by using the LED light supplement lamp is not obviously improved.
Disclosure of Invention
The invention aims to overcome the technical defects and provide an indoor cultivation method of hemp, which solves the technical problem that the biomass of the hemp cultivated indoors is not obviously improved in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention provides an indoor cultivation method of cannabis, which comprises the following steps: transplanting hemp seedlings into flowerpots, carrying out seedling revival treatment in a dark environment, and then placing potted plants under an LED quantum plate light supplement lamp for light supplement treatment, wherein the light quality of the LED quantum plate light supplement lamp is mixed light of red light and white light; the number proportion relation of the lamp beads corresponding to the red light and the white light is 1: 1-3.
Furthermore, the illumination intensity of the LED quantum plate light supplement lamp is 100--2·s-1。
Further, the light period is 14-16h, and the light is protected from light for 8-10 h.
Further, the time of the seedling rejuvenation treatment in a dark environment is 1 to 1.5 days.
Further, the distance between the top end of the seedling and the LED quantum plate light-filling lamp is kept to be 50-55cm in the seedling growth process.
Further, the temperature in the chamber was 25. + -. 1 ℃.
Further, the period of the supplementary lighting treatment is 30-35 days.
Further, the hemp seedlings are obtained by culturing the following steps:
sowing the hemp seeds soaked in the water into a seedling tray, placing the seedling tray in a tray, and growing seedlings indoors; the light intensity used for seedling culture is 100--2·s-1The photoperiod is 16-18h of illumination treatment, the photoperiod is 6-8h of light-resistant treatment, the indoor temperature is 25 +/-1 ℃, the seeds are cultured until the seeds germinate and break soil, thinning is carried out during the period from the seedling emergence to the first true leaf expansion, weak seedlings and diseased seedlings are removed, 1 seedling is kept in each hole of each seedling tray after thinning, and after thinning, the seedlings are sprayed with 750-fold 800-time carbendazim solution every 5-7 days; and (3) keeping water at the bottom of the seedling tray during the culture period, and culturing until more than 50% of seedlings grow until the second pair of true leaves are unfolded to obtain the hemp seedlings.
Further, the hemp seedlings are industrial hemp seedlings.
Further, the soaked hemp seeds are obtained by soaking the hemp seeds in water for 16-24 hours, and replacing clear water for 1-2 times in the period.
Compared with the prior art, the invention has the beneficial effects that: transplanting hemp seedlings into a flowerpot, carrying out seedling revival treatment in a dark environment, and then placing the potted plant under an LED quantum plate light supplement lamp for light supplement treatment, wherein the light quality of the LED quantum plate light supplement lamp is mixed light of red light and white light, and the biomass of hemp is improved by the hemp obtained by combining the light quality provided by the invention with other cultivation conditions; the culture lasts for 30 days, the height, the stem diameter and the fresh weight and the dry weight of the overground part of the hemp seedlings are the highest, and compared with natural light culture, the fresh weight and the dry weight of the underground part of the hemp seedlings are respectively increased by 39.8%, 42.4%, 65.2%, 182.2%, 111.5% and 190.6%.
Drawings
FIG. 1 shows hemp leaves obtained by cultivation in example 1 of the present invention and comparative examples 1 to 3; example 1, comparative example 2 and comparative example 3 were sequentially provided from left to right.
Detailed Description
The specific embodiment provides an indoor cultivation method of cannabis, which comprises the following steps: transplanting the seedling of the ambary hemp into a flowerpot, carrying out seedling revival treatment for 1-1.5 days in a dark environment, and then placing the potted plant under an LED quantum plate light supplement lamp for light supplement treatment for 30-35 days, wherein the light quality of the LED quantum plate light supplement lamp is mixed light of red light and white light; the number proportion relation of the lamp beads corresponding to the red light and the white light is 1: 1-3; the illumination intensity of the LED quantum plate light supplement lamp is 100-130 mu mol.m-2·s-1(ii) a The light period is 14-16h, and the light is protected for 8-10 h; and in the seedling growth process, the distance between the top end of the seedling and the LED quantum plate light supplement lamp is kept to be 50-55cm, and the indoor temperature is 25 +/-1 ℃.
The hemp seedlings in the present embodiment are obtained by culturing the following steps:
sowing the hemp seeds soaked in the water into a seedling tray, placing the seedling tray in a tray, and growing seedlings indoors; the light intensity used for seedling culture is 100--2·s-1The photoperiod is 16-18h of illumination treatment, the photoperiod is 6-8h of light-resistant treatment, the indoor temperature is 25 +/-1 ℃, the seeds are cultured until the seeds germinate and break soil, thinning is carried out during the period from the seedling emergence to the first true leaf expansion, weak seedlings and diseased seedlings are removed, 1 seedling is kept in each hole of each seedling tray after thinning, and after thinning, the seedlings are sprayed with 750-fold 800-time carbendazim solution every 5-7 days; maintaining water at the bottom of the seedling tray during the culture period, and culturing until more than 50% of seedlings grow until a second pair of true leaves are unfolded to obtain the hemp seedlings; further, the young cannabis sativaThe seedlings are industrial hemp seedlings; the soaked hemp seeds are obtained by soaking the hemp seeds in water for 16-24 hours, and replacing clear water for 1-2 times in the period.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment provides a method for indoor cultivation of cannabis, which comprises the following steps:
and 5, 21 days in 5 months in 2020, selecting glossy industrial large hemp seeds with full shapes and uniform sizes, soaking the seeds in clear water for 16-24 hours, accelerating germination, and replacing the clear water for 1-2 times in the period.
And 5, 22 days in 2020, sowing the soaked seeds in a deep seedling raising tray, wherein the soil used for raising the seedlings is a brand-new seedling raising substrate (purchased from Gypsophila Biotech limited of Wuhan Star). And placing the seedling tray in a tray, and culturing seedlings in an artificial culture room. The light intensity used for seedling culture is 100 mu mol.m-2·s-1The photoperiod was 16h/8h (16 h light treatment and 8h dark treatment), and the temperature was 25 ℃. During seedling raising, a 2cm deep water layer is kept in the seedling raising tray, so that soil moisture is sufficient to promote seed germination and growth.
And after 5-7 days, the seeds germinate and break the soil, thinning the seedlings during the period from the emergence of the soil to the expansion of the first pair of true leaves, removing weak seedlings and diseased seedlings, and ensuring that 1 seedling is reserved in each hole of each seedling tray after thinning, and the seedlings are consistent in growth vigor. After thinning, spraying 800 times of carbendazim liquid to the seedlings every 5-7 days to prevent seedling stage blight. During the culture period, water is kept at the bottom of the seedling raising tray, and when no water layer exists, water is supplemented, and water is not supplemented.
And 7 days 6 and 7 months in 2020, more than 50% of seedlings grow until the second pair of true leaves are unfolded, the seedlings are transplanted into flowerpots, trays are arranged below the flowerpots, the seedlings are watered thoroughly after being transplanted, and the transplanted industrial hemp is revived for one day under dark conditions.
6, 8 months and 2020, the potted plant is placed on the LED quantum plate light supplement lamp(MOSO LSV-320B036) in a culture chamber with red (R) and white (W) of 1:3 and light intensity of 100. mu. mol · m-2·s-1The photoperiod is 14h/10h (namely 14h of illumination treatment and 10h of light-proof treatment), the room temperature is 25 +/-1 ℃, the distance between the light source and the topmost end of the plant is kept at 50cm in the growth process of the industrial hemp, and a natural light source is set as a control group. Meanwhile, the conventional cultivation management method is matched during the growth period of the industrial hemp, so that the growth environment is free of plant diseases and insect pests, and the soil moisture is sufficient. During the growth period of industrial hemp, when the water layer is not present at the bottom of the tray, the water is supplemented again, the water is not supplemented, and the fallen old leaves are cleaned in time.
And 7, 8 days in 2020, and harvesting the industrial hemp.
It should be noted that the sample varieties used in this example are "yunnan 1" (Y1), and are derived from fiber-type industrial hemp varieties selected and bred by the institute of economic crops of the academy of agricultural sciences of Yunnan province; the test site is located in an artificial light source culture room of a third comprehensive building of Huazhong university of agriculture.
Example 2
The present embodiment is different from embodiment 1 in that: the light quality of the light source used in this example was red (R): white (W) ═ 1:1, light intensity used for indoor cultivation is 130 [ mu ] mol · m-2·s-1。
Example 3
The present embodiment is different from embodiment 1 in that: the light quality of the light source used in this example was red (R): white (W) ═ 1: 2; the light intensity for indoor cultivation is 110 μmol · m-2·s-1。
Comparative example 1
The present embodiment is different from embodiment 1 in that: the light quality of the light source used in this example was red (R), blue (B), and white (W), 9:3: 1.
Comparative example 2
The present embodiment is different from embodiment 1 in that: the light quality of the light source used in this example was red (R), blue (B), and white (W), 3:3: 1.
Comparative example 3
The present embodiment is different from embodiment 1 in that: the light source used in this embodiment is natural light (CK).
TABLE 1 agronomic traits of seedling Yuma No. 1 after cultivation in examples 1-4 and comparative examples 1-3
As can be seen from Table 1, the present invention utilizes an LED quantum plate as an indoor light source to artificially control the light quality composition of the industrial hemp growth environment. The cultivation result shows that the industrial hemp seedlings grow most when the red light and the white light are 1: 3. The plant height, the stem diameter, the fresh weight and the dry weight of the overground part of the industrial hemp seedlings treated in the example 1 are the highest, and are respectively increased by 39.8%, 42.4%, 65.2%, 182.2%, 111.5% and 190.6% compared with natural light. In addition, the cannabis cultivated in examples 2-3 also had better agronomic traits, indicating that the present invention successfully achieved an increase in biomass of industrial cannabis. It can also be seen from FIG. 1 that the large hemp leaves obtained in example 1 are also significantly larger than those of comparative examples 1 to 3.
The cultivation method provided by the invention avoids the interference of external adverse environment on the plant growth, has the advantages of simple equipment operation, no need of large investment of manpower, low cost and environmental protection in the actual production, can meet the restriction problems of illumination and temperature factors during the winter propagation of industrial hemp in the actual cultivation and planting process, improves the biomass of industrial hemp seedlings, and has extremely high popularization value and economic benefit.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An indoor cultivation method of hemp, comprising: transplanting hemp seedlings into flowerpots, carrying out seedling revival treatment in a dark environment, and then placing potted plants under an LED quantum plate light supplement lamp for light supplement treatment, wherein the light quality of the LED quantum plate light supplement lamp is mixed light of red light and white light; the number proportion relation of the lamp beads corresponding to the red light and the white light is 1: 1-3.
2. The indoor cultivation method of cannabis sativa as claimed in claim 1, wherein the illumination intensity of the LED quantum plate fill light is 100--2·s-1。
3. An indoor cultivation method of cannabis sativa as claimed in claim 2, wherein the photoperiod is 14-16h photoperiod and 8-10 h photoperiod.
4. A method for indoor cultivation of cannabis sativa as claimed in claim 1, wherein the time of the rejuvenation treatment in dark environment is 1-1.5 days.
5. An indoor cannabis cultivation method according to claim 1, wherein the distance between the top end of the seedling and the LED quantum plate supplementary lighting lamp is kept between 50cm and 55cm during the growth process of the seedling.
6. A method of indoor cultivation of cannabis according to claim 1, wherein the indoor temperature is 25 ± 1 ℃.
7. An indoor cultivation method of cannabis according to claim 1, wherein the period of the supplementary lighting treatment is 30-35 days.
8. Indoor cultivation method of cannabis according to claim 1, characterized in that the cannabis seedlings are cultivated by the following steps:
sowing the soaked hemp seeds in a seedling tray, placing the seedling tray in a tray, and culturing seedlings indoors; the light intensity used for seedling culture is 100--2·s-1The photoperiod is 16-18h, the light is protected for 6-8h, the indoor temperature is 25 +/-1 ℃, the seeds are cultured until the seeds germinate and break the soil, thinning is carried out during the period from the seedling emergence to the first pair of true leaves development, weak seedlings and diseased seedlings are removed, 1 seedling is kept in each hole of each seedling tray after thinning, and 750 days are used for 750 days after thinning every 5-7 daysSpraying 800 times of carbendazim solution on seedlings; and (3) keeping water at the bottom of the seedling tray during the culture period, and culturing until more than 50% of seedlings grow until the second pair of true leaves are unfolded to obtain the hemp seedlings.
9. Indoor cultivation method of cannabis according to claim 1, characterized in that the cannabis seedlings are industrial cannabis seedlings.
10. An indoor cultivation method of hemp according to claim 7, wherein the hemp seeds after being soaked in water are obtained by soaking the hemp seeds in water for 16-24 hours while replacing with clear water for 1-2 times.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160262313A1 (en) * | 2015-03-09 | 2016-09-15 | LED Living Technology | Lighting System for Promoting the Rapid Maturation of Commercial Plants |
| US20160353672A1 (en) * | 2015-06-08 | 2016-12-08 | Shenandoah Growers, Inc. | Methods and Systems for Growing Plants |
| WO2020231267A1 (en) * | 2019-05-16 | 2020-11-19 | Oreon Holding B.V. | Assimilation lighting with improved spectrum |
| CN113099971A (en) * | 2021-04-28 | 2021-07-13 | 华中农业大学 | Method for promoting advanced flowering of industrial hemp and application thereof |
-
2021
- 2021-11-16 CN CN202111355076.2A patent/CN113973657A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160262313A1 (en) * | 2015-03-09 | 2016-09-15 | LED Living Technology | Lighting System for Promoting the Rapid Maturation of Commercial Plants |
| US20160353672A1 (en) * | 2015-06-08 | 2016-12-08 | Shenandoah Growers, Inc. | Methods and Systems for Growing Plants |
| WO2020231267A1 (en) * | 2019-05-16 | 2020-11-19 | Oreon Holding B.V. | Assimilation lighting with improved spectrum |
| CN113099971A (en) * | 2021-04-28 | 2021-07-13 | 华中农业大学 | Method for promoting advanced flowering of industrial hemp and application thereof |
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