CN117918139A - Cutting seedling raising method for rosemary - Google Patents
Cutting seedling raising method for rosemary Download PDFInfo
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- CN117918139A CN117918139A CN202311679351.5A CN202311679351A CN117918139A CN 117918139 A CN117918139 A CN 117918139A CN 202311679351 A CN202311679351 A CN 202311679351A CN 117918139 A CN117918139 A CN 117918139A
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- 238000000034 method Methods 0.000 title claims abstract description 40
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- 238000010008 shearing Methods 0.000 claims abstract description 10
- 238000011282 treatment Methods 0.000 claims description 64
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- 239000008213 purified water Substances 0.000 claims description 11
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- 239000003085 diluting agent Substances 0.000 claims description 7
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- 239000000203 mixture Substances 0.000 claims description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims 2
- 230000012010 growth Effects 0.000 abstract description 13
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 2
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- Cultivation Of Plants (AREA)
Abstract
The invention discloses a cutting seedling raising method of rosemary, which comprises the steps of preparing seedling raising trays, shearing seedlings, cutting seedling management, transplanting seedling taking and the like. The method is adopted to carry out rosemary cutting seedling in a plant factory, suitable growth temperature and humidity can be set according to the growth habit of rosemary, and the optimum red and blue light proportion is adopted, so that the method is simple and convenient to operate, convenient to manage after cutting, and capable of shortening the time of cutting seedling (high-efficiency and rapid propagation of seedlings) and improving the survival rate of cutting seedling; the seedling raising proportion in unit area is increased through multilayer three-dimensional cultivation, and the planting cost is further reduced; in addition, the problem that some new rosemary varieties are difficult to cut and survive can be solved.
Description
Technical Field
The invention relates to the technical field of rosemary asexual propagation, in particular to a rosemary cutting seedling method.
Background
Rosemary (Rosmarinus officinalis L.) is a evergreen woody plant of Rosmarinus of Labiatae, is produced in the coastal region of the middle sea, has green needle-like shape of leaves, has strong and fresh grass fragrance, and has blue, powder and white color. Rosemary is widely applied to perfumes, bath lotion, cosmetics, perfumed soap, air fresheners, food seasonings and the like, has the effects of promoting menstruation and blood circulation, promoting bile flow and reducing blood pressure, resisting cancer and the like in medical aspects, and can refine essential oil and antioxidants from fresh leaves. Rosemary has been listed as an important economic plant in many developed countries, particularly the united states, japan and france, and invested in a great deal of money for research and development. In recent years, many research units in China have achieved a certain result on introduction cultivation and research on essential oil and antioxidant processing and refining, especially on development of rosemary essence potential, the industrialization development is accelerated, the demand for excellent variety rosemary seedlings is rapidly increased, and the seed germination rate is extremely low and is generally less than 30%, so that the rosemary asexual propagation method is the most commonly used seedling raising mode at present.
The traditional cutting seedling raising mode is to directly insert the cut cuttings into a seedbed, then promote the germination and growth of new roots and upper parts of the cuttings under proper temperature, humidity and illumination conditions by means of temperature control, moisture preservation, shading and other measures, the seedling raising time is 30d, and the cutting survival rate is about 92%. Although the traditional cutting seedling method is mature in development, the problems of long seedling period and low cutting survival rate exist. Meanwhile, the management is labor-consuming after the conventional cutting seedling raising mode is adopted, watering is almost needed every day in sunny days, and the seedbed has more diseases, weeds and pests and needs to be frequently sprayed with pesticides and bactericides and weeding.
Disclosure of Invention
The invention provides a cutting seedling raising method of rosemary, which aims to solve the problems in the prior art.
The technical scheme provided by the invention is as follows:
a cutting seedling method of rosemary, comprising the following steps:
S1, preparing a seedling raising plate
Selecting a seedling raising tray, and paving a plurality of sponge blocks which absorb enough water in the seedling raising tray;
S2, cutting seedlings
Selecting the middle-upper tender tips and the semi-lignified parts from rosemary plants which grow robustly and have no plant diseases and insect pests, and shearing to obtain a plurality of cuttings;
S3, cutting
Before cutting, soaking all cuttings in a diluent of rooting powder, putting the soaked cuttings into the sponge blocks, performing moisture preservation treatment on the seedling raising tray, and covering a transparent moisture preservation cover;
S4, cutting seedling management
The seedling raising tray is subjected to light shading treatment within 7 days before cuttage, and then a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings root completely;
S5, transplanting and taking seedlings
And taking all rooted cuttings out of the sponge block for transplanting culture.
Further, in step S4, the seedling raising tray is subjected to light-shielding treatment within 7 days before cutting, and then a plant lighting lamp is turned on to perform light treatment on the seedling raising tray until all cuttings root completely, including the following steps:
The seedling raising tray is subjected to light-shielding treatment within 7 days after cutting;
After the light-shading treatment is finished, a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings root by 2-3 cm and the quantity of lateral roots reaches 2-3, and the light proportion of the plant illuminating lamp is 3.8-4.1: 1, the photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 14-16/10-8 h, the temperature of the environment where the seedling tray is located in the bright period/dark period is controlled to be 20-24/17-19 ℃, and the relative humidity is 65-75/75-85%.
Further, in step S4, the seedling raising tray is subjected to light-shielding treatment within 7 days before cutting, and then a plant lighting lamp is turned on to perform light treatment on the seedling raising tray until all cuttings root completely, including the following steps:
The seedling raising tray is subjected to light-shielding treatment within 7 days after cutting;
After the light shading treatment is finished, a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray, and the light ratio of the plant illuminating lamp is 3.8-4.1 of red and blue light: 1, photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, photoperiod of bright period/dark period is 14-16/10-8 h, temperature of environment where the seedling tray is located in bright period/dark period is controlled to be 20-24/17-19 ℃, and relative humidity is 65-75/75-85%;
and when all cuttings root by 2-3 cm and the number of lateral roots reaches 2-3, uncovering the moisturizing cover, and carrying out light treatment on all cuttings for 2-4 days.
Further, in step S1, before the sponge block is tiled in the seedling tray, the sponge block is fully sucked with purified water.
Further, in the step S2, the length of the cutting is 2-4 cm, 1-2 knots are arranged, and the base of the cutting is a chamfer with an angle not smaller than 45 degrees.
Further, in step S3, the time for soaking the cuttings in the diluted solution of the rooting powder is 10-30 min, and when the soaked cuttings are placed in the sponge blocks, one cutting is placed in each sponge block.
Further, in step S3, the moisture-preserving treatment for the seedling raising tray specifically includes: pouring 1L of purified water into the bottom of the seedling tray by using a beaker.
In step S3, the rooting powder is 50% of an indole-naphthalene mixture, and the cuttings are soaked in a diluent which is diluted 1000-2000 times by the rooting powder.
Further, in step S4, before the seedling raising tray is subjected to light-shielding treatment within 7 days after cutting, the seedling raising tray is further placed on a cultivation frame of a seedling raising room in a plant factory.
Further, in step S4, the light-shielding treatment of the seedling raising tray is performed 3 days after cutting;
The light ratio of the plant illuminating lamp is red and blue light 4:1, the photosynthetic light quantum flux density of the plant illuminating lamp is 250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 16/8h, the temperature of the environment where the seedling tray is positioned in the bright period/dark period is controlled to be 22/17 ℃, and the relative humidity is 75/85%;
And when all cuttings root by 2cm and the number of lateral roots reaches 2, uncovering the moisturizing cover, and carrying out light treatment on all cuttings for 3 days.
Compared with the prior art, the invention has the beneficial effects that:
The invention provides a cutting seedling raising method of rosemary, which is used for cutting seedling raising of rosemary, can set proper growth temperature and humidity according to growth habit of rosemary, adopts optimal red-blue light proportion, is simple and convenient to operate, is convenient to manage after cutting, can shorten cutting seedling raising time (high-efficiency and rapid propagation of seedlings), and improves survival rate of cutting seedling raising; the seedling raising proportion in unit area is increased through multilayer three-dimensional cultivation, and the planting cost is further reduced; in addition, the problem that some new rosemary varieties are difficult to cut and survive can be solved.
Drawings
Fig. 1 is a flowchart of a cutting seedling method of rosemary provided by the invention;
fig. 2 is a physical diagram of rosemary after cutting.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the embodiments described below are some, but not all, embodiments of the application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Accordingly, the following detailed description of the embodiments of the application, taken in conjunction with the accompanying drawings, is intended to represent only selected embodiments of the application, and not to limit the scope of the application as claimed. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present application, are within the scope of the present application.
At present, few reports of water planting cuttage seedling raising of rosemary are made, and the most commonly used seedling raising matrix is garden soil or matrix (peat soil: perlite=2:1) for raising seedlings. The common method is that the seedling bed is watered thoroughly before cutting, the seedling bed is cut immediately after the water is completely infiltrated into the seedling bed, the water content of the seedling bed is 70% -80% of the field water holding capacity, at the moment, the base of the wet soft cutting of the soil is not damaged, a proper amount of water is sprayed after the seedling bed is inserted, the two-year strong semi-lignified branch is selected as the cutting branch, the branch is cut off from a mother plant and then put into clear water, the length of the cutting is 8-10 cm, and 4-5 sections can be reserved for each section of the fattened branch. Soaking the cut cuttings in 1000 times of rooting powder for 1h or 200 times of rooting powder for 10min, and cutting immediately after soaking; the time from cutting branches to cutting from a mother plant is controlled to be about 1d, 1/3 leaf at the lower part of a cutting is wiped off, the upper opening of the cutting is flattened, the lower opening of the cutting is cut into a horseshoe shape, the cutting time is selected in the afternoon, the cutting is carried out in a ditch for cutting, the cutting penetration depth is 3-4 cm, the soil penetration sections are generally two sections, the plant row spacing is 5cm multiplied by 5cm, and the tender branch (3-4) cm multiplied by (3-4) cm. 10d after the transplanting, spraying 0.3% of monopotassium phosphate to promote root growth, and spraying 800 times of carbendazim to prevent cutting from rotting every 7d after the transplanting, wherein the total spraying time is 2-3 times. And watering twice a day within 2 weeks after the transplanting, and keeping the seedbed moist.
The traditional rosemary cutting propagation needs to prepare soil and make furrows or prepare a seedling raising pool, a cutting seedling raising substrate is used, a cutting bed is required to be checked frequently after cutting, dead plants and rotted leaves are required to be picked up in time, and the air humidity of the 7d internal cutting bed is required to be kept above 85%; spraying a bactericide on the next day after cutting, and spraying a mixed solution of the bactericide, 1g/L potassium nitrate and monopotassium phosphate once every week to prevent cutting slip from infecting diseases and promote rooting and growth; part of the membrane was opened periodically daily to facilitate ventilation. 10d after rooting, transplanting the cuttings into a nutrition bag or a flowerpot for cultivation, and spraying 2g/L of mixed liquid of nitrogen, phosphorus and potassium once per week. A series of management works such as watering, sun shading, pesticide spraying, weeding and the like are also needed during the period.
Referring to fig. 1, the invention provides a cutting seedling method of rosemary, comprising the following steps:
S1, preparing a seedling raising plate
A seedling raising tray with the length, width and height meeting the requirements is selected, and a plurality of sponge blocks which absorb enough water are paved in the seedling raising tray.
According to the cutting seedling raising method of rosemary, provided by the invention, the seedling raising matrix or nutrient soil is not required, and the sponge block is directly used, so that the seedling raising environment is cleaner and tidier. Meanwhile, the sponge block is adopted, watering, weeding, deinsectization and other operations do not exist at the later stage, so that the seedling raising is simpler, and the operation is more convenient.
S2, cutting seedlings
And selecting the tender tips and the semi-lignified parts at the middle and upper parts from rosemary plants which grow robustly and have no plant diseases and insect pests, and shearing to obtain cuttings.
In the step S2, each obtained cutting is 2-4 cm long and provided with 1-2 sections, the base of the cutting is a chamfer, and the blade of the lowest section of the cutting is needed to be cut off.
S3, cutting
Before cutting, all cuttings are soaked in a diluent of rooting powder, the soaked cuttings are placed in sponge blocks, one cutting is placed in each sponge block, water is poured into a seedling tray, and then the seedling tray is covered with a transparent moisturizing cover.
In step S3, the time for soaking the cuttings with the rooting powder is related to the dilution factor of the rooting powder, and the higher the dilution factor is, the longer the soaking time is. However, the treatment time is greatly shortened in the same preparation multiple compared with that of the traditional method, and the rooting rate is improved. The moisture-preserving cover is required to be always covered on the seedling raising tray before transplanting, and the moisture-preserving cover is shown in fig. 2 after cutting is completed.
S4, cutting seedling management
And (3) carrying out light-shielding treatment on the seedling raising tray within 7 days before cutting, and then turning on a plant illuminating lamp to carry out light treatment on the seedling raising tray until all cuttings root completely.
In the step S4, 10d cuttings can root successively after cutting, the rooting rate of 15d reaches 75%, the rooting rate of 18-21 d reaches 100%, and the rooting rate is greatly improved. According to the growth habit of rosemary, the proper growth temperature and humidity are set, and the optimal red and blue light proportion is adopted, so that the operation is simple and convenient, the management is convenient after cutting, the time of cutting seedling raising (high-efficiency and rapid propagation of seedlings) can be shortened, and the survival rate of cutting seedling raising is improved.
S5, transplanting and taking seedlings
And taking out all cuttings from the sponge block for transplanting culture.
Compared with the traditional rosemary cutting method, the rosemary cutting seedling method provided by the embodiment uses a water culture cutting seedling mode, cutting operation is simple, convenient and quick, seedling management in a cutting rooting period is achieved with little time spent, the final rooting rate is improved, the cutting seedling period is shortened, and the cutting quantity per unit area is increased.
Optionally, if the seedlings are transplanted in the step 5 and planted in a plant factory, in the step S4, the seedling raising tray is subjected to light shielding treatment within 7 days before cutting, and then a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings root completely, which comprises the following steps:
and 401, carrying out light-shielding treatment on the seedling raising tray within 7 days after cutting.
And step 402, after the light-shielding treatment is finished, turning on a plant illuminating lamp to carry out light treatment on the seedling raising tray until all cuttings root by 2-3 cm and the quantity of lateral roots reaches 2-3, wherein the light ratio of the plant illuminating lamp is 3.8-4.1: 1, the photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 14-16/10-8 h, the temperature of the environment where the seedling tray is located in the bright period/dark period is controlled to be 20-24/17-19 ℃, and the relative humidity is 65-75/75-85%.
Optionally, if the seedlings are transplanted in the step 5 and not planted in a plant factory, in the step S4, the seedling tray is subjected to light shielding treatment within 7 days before cutting, and then the plant illuminating lamp is turned on to carry out light treatment on the seedling tray until all cuttings root completely, and the method comprises the following steps:
And 401, carrying out light-shielding treatment on the seedling raising tray within 7 days after cutting.
Step 402, after the light shading treatment is finished, a plant illuminating lamp is turned on to carry out light treatment on the seedling tray, wherein the light proportion of the plant illuminating lamp is 3.8-4.1 of red and blue light: 1, the photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 14-16/10-8 h, the temperature of the environment where the seedling raising tray in the bright period/dark period is controlled to be 20-24/17-19 ℃ and the relative humidity is 65-75/75-85%.
And 403, uncovering the moisturizing cover when all cuttings root by 2-3 cm and the number of lateral roots reaches 2-3, and carrying out light treatment (the light treatment reference conditions are the same as the above) on all cuttings for 2-4 days.
After rooting, the root system can penetrate the sponge block to directly absorb water, when the root is 2-3 cm, seedling hardening is carried out in time after the quantity of the lateral roots reaches 2-3, the seedling raising tray is uncovered, the moisture-preserving cover is opened, the cutting is directly subjected to light irradiation treatment (the light treatment reference condition is the same as the above), at the moment, the water content of the sponge block is low, the cutting can be directly contacted with the LED lamp for irradiation, and the cutting is subjected to seedling hardening under the condition of gradually reducing the water.
In the step S1, the length, width and height of the seedling raising tray are 55cm multiplied by 28.5cm multiplied by 6cm, the number of the sponge blocks is 180, and the length, width and height of the sponge blocks are 2.3cm multiplied by 2.7cm.
Optionally, in step S1, before the sponge block is tiled in the seedling tray, the sponge block is fully sucked with purified water. Firstly, 30L of purified water is contained in a turnover box, and the sponge block is placed in the turnover box to suck enough water and then placed in a seedling tray.
Optionally, in step S2, the angle of the cutting base chamfer is not less than 45 °.
Optionally, in step S3, pouring water into the seedling tray specifically includes: pouring 1L of purified water into the bottom of the seedling tray by using a beaker.
Optionally, in step S3, the rooting powder is 50% of the indole-naphthalene mixture, and the cutting is soaked in a diluent which dilutes the rooting powder by 1000-2000 times for 10-30 min.
If the dilution multiple of the rooting powder is 1000 times, the soaking time is 10min, and if the dilution multiple of the rooting powder is 2000 times, the soaking time is 30min. The treatment time is shortened to 10min from 1h of soaking in the traditional mode within the preparation multiple of 1000, the treatment time is greatly shortened, and the rooting rate is improved. The working time is saved, the number of successful cutting of the cutting is increased, and the cutting seedling time is shortened.
Optionally, in step 401, the seedling tray is generally subjected to light-shielding treatment 3 days before cutting, and is placed on a cultivation frame of a seedling room in a plant factory before the seedling tray is subjected to light-shielding treatment.
Example 1
The embodiment provides a cutting seedling method of rosemary, which comprises the following steps:
S1, preparing a seedling raising plate
Preparing seedling trays (length x width x height=55 cm x 28.5cm x 6 cm), and laying 180 sponge blocks in each seedling tray in a flat manner, wherein the size of the sponge blocks is as follows: length x width x height = 2.3cm x 2.7cm. Firstly, 30L of purified water is contained in a turnover box, and the sponge blocks are put in the turnover box to suck enough water and then are spread in a seedling tray.
S2, cutting seedlings
Selecting a middle-upper tender shoot and a semi-lignified part from a rosemary plant which grows robustly and has no plant diseases and insect pests, shearing a long tender shoot, shearing a cutting with 2 sections and 4cm long, shearing off leaves of the lowest section of the cutting, and forming a 45-degree oblique surface on the base of the sheared cutting.
S3, cutting
Before cutting, soaking all cuttings in 1000 times of rooting powder (50% indole acetic acid and naphthalene acetic acid) (30% indole acetic acid and 20% naphthalene acetic acid) for 10min, then placing one cutting in each sponge block, placing 180 cutting in 180 sponge blocks, completely cutting the whole seedling tray, pouring 1L purified water into the bottom of the seedling tray by using a beaker, enabling the cutting to fully contact with water, and finally adding a transparent moisturizing cover for moisturizing, wherein the moisturizing cover is required to be always covered on the seedling tray before transplanting.
S4, cutting seedling management
After cutting, placing the seedling tray on a cultivation frame of a seedling room in a plant factory, performing light-shading treatment 3 days before cutting, and opening a plant illuminating lamp to perform light treatment 3 days later, wherein the light ratio of the plant illuminating lamp is red and blue light 4.1:1, photosynthetic light quantum flux density (PPFD) of 250. Mu. Mol.m -2·s-1, photoperiod of 14/10h (bright/dark period). The temperature of the seedling room is 22/17 ℃ (bright period/dark period), the relative humidity is 75/85% (bright period/dark period), 10d cuttings can root successively after cutting, the rooting rate reaches 75% after 15d, and the rooting rate reaches 100% after 19 d. After rooting, the root system can penetrate the sponge to directly absorb water, and when the root system is rooted for 3cm, the quantity of the lateral roots reaches 3 light treatments.
S5, transplanting and taking seedlings
Transplanting all the rooted cuttings into a field or a flowerpot for culture.
According to the rosemary cutting seedling raising method provided by the embodiment, rosemary cutting seedling raising is carried out in a plant factory, the operation is simple and convenient through the set growth temperature, humidity and red and blue light proportion, the management is convenient after cutting, the cutting soaking time and the cutting seedling management before cutting are greatly shortened, the rooting rate of 180 cutting is 100%, 180 cutting with thick roots are transplanted, the survival rate is basically 100%, and the survival rate of cutting seedling raising can be obviously improved through the method.
Example 2
The embodiment provides a cutting seedling method of rosemary, which comprises the following steps:
S1, preparing a seedling raising plate
Preparing seedling trays (length x width x height=55 cm x 28.5cm x 6 cm), and laying 180 sponge blocks in each seedling tray in a flat manner, wherein the size of the sponge blocks is as follows: length x width x height = 2.3cm x 2.7cm. Firstly, 30L of purified water is contained in a turnover box, and the sponge blocks are put in the turnover box to suck enough water and then are spread in a seedling tray.
S2, cutting seedlings
Selecting a middle-upper tender shoot and a semi-lignified part from a rosemary plant which grows robustly and has no plant diseases and insect pests, shearing a long tender shoot, shearing a cutting with 1 section and 2cm long, shearing off a blade of the lowest section of the cutting, and forming a 60-degree oblique surface on the base of the sheared cutting.
S3, cutting
Before cutting, soaking all cuttings in 2000 times of rooting powder (50% indole acetic acid and naphthalene acetic acid) (30% indole acetic acid and 20%) for 30min, putting one cutting in each sponge block, taking 1L purified water from a beaker to the bottom of a seedling tray after the whole seedling tray is completely cut, enabling the cutting to fully contact with water, and finally adding a transparent moisturizing cover for moisturizing treatment, wherein the moisturizing cover is required to be always covered on the seedling tray before transplanting.
S4, cutting seedling management
The light-shading treatment is carried out in the first 7 days after cuttage, and a plant illuminating lamp is turned on for light treatment after 7 days, wherein the light ratio of the plant illuminating lamp is red and blue light 3.8:1, the photosynthetic light quantum flux density (PPFD) is 200 mu mol.m -2·s-1, and the photoperiod is 16/8h (bright period/dark period). The temperature of the seedling room is 24/19 ℃ (bright period/dark period), the relative humidity is 65/75% (bright period/dark period), 11d cuttings can root successively after cutting, the rooting rate of 16d reaches 75%, and the rooting rate of 18d reaches 100%. After rooting, the root system can penetrate the sponge to directly absorb water, after rooting for 2cm, hardening seedlings in time after the number of lateral roots reaches 2, uncovering the moisture-preserving cover of the seedling tray, and directly irradiating the cutting (the light treatment reference condition is the same as the above), wherein the water content of the sponge block is lower, the cutting can be directly contacted with the LED lamp to irradiate, and the seedling hardening is carried out under the condition of gradually reducing the water content.
S5, transplanting and taking seedlings
After hardening, transplanting all the rooted cuttings into a field or a flowerpot for cultivation.
According to the cutting seedling raising method of rosemary, according to the growth habit of rosemary, through the set growth temperature, humidity and red and blue light proportion, the cutting soaking time before cutting and cutting seedling management are greatly shortened, the rooting rate of 180 cutting is 100%, 180 cutting with thick rooting is transplanted, the survival rate is basically 100%, and the survival rate of cutting seedling raising is remarkably improved.
According to the cutting seedling raising method for rosemary, the total seedling raising period is generally not more than 20 days, and the rooting rate and the survival rate can reach 100%. Compared with the traditional cutting seedling method, the cutting seedling method provided by the method has the advantages that the seedling period is greatly shortened, and the survival rate is remarkably improved.
The cutting seedling raising method of rosemary is particularly suitable for being carried out in a plant factory, by adopting the method, the rosemary can be subjected to cutting seedling raising in the plant factory, proper growth temperature and humidity can be set according to the growth habit of rosemary, and the optimum red and blue light proportion is adopted, so that the operation is simple and convenient, the management is convenient after cutting, the cutting seedling raising time (high-efficiency and rapid seedling breeding) can be shortened, and the survival rate of cutting seedling raising is improved; the seedling raising proportion in unit area is increased through multilayer three-dimensional cultivation, and the planting cost is further reduced; in addition, the problem that some new rosemary varieties are difficult to cut and survive can be solved.
The foregoing description is merely illustrative of the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present application should be covered. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The cutting seedling raising method of rosemary is characterized by comprising the following steps of:
S1, preparing a seedling raising plate
Selecting a seedling raising tray, and paving a plurality of sponge blocks which absorb enough water in the seedling raising tray;
S2, cutting seedlings
Selecting the middle-upper tender tips and the semi-lignified parts from rosemary plants which grow robustly and have no plant diseases and insect pests, and shearing to obtain a plurality of cuttings;
S3, cutting
Before cutting, soaking all cuttings in a diluent of rooting powder, putting the soaked cuttings into the sponge blocks, performing moisture preservation treatment on the seedling raising tray, and covering a transparent moisture preservation cover;
S4, cutting seedling management
The seedling raising tray is subjected to light shading treatment within 7 days before cuttage, and then a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings root completely;
S5, transplanting and taking seedlings
And taking all rooted cuttings out of the sponge block for transplanting culture.
2. The cutting seedling raising method of rosemary according to claim 1, wherein in step S4, the seedling raising tray is subjected to light shielding treatment within the first 7 days after cutting, and then a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings are completely rooted, comprising the following steps:
The seedling raising tray is subjected to light-shielding treatment within 7 days after cutting;
After the light-shading treatment is finished, a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings root by 2-3 cm and the quantity of lateral roots reaches 2-3, and the light proportion of the plant illuminating lamp is 3.8-4.1: 1, the photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 14-16/10-8 h, the temperature of the environment where the seedling tray is located in the bright period/dark period is controlled to be 20-24/17-19 ℃, and the relative humidity is 65-75/75-85%.
3. The cutting seedling raising method of rosemary according to claim 1, wherein in step S4, the seedling raising tray is subjected to light shielding treatment within the first 7 days after cutting, and then a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray until all cuttings are completely rooted, comprising the following steps:
The seedling raising tray is subjected to light-shielding treatment within 7 days after cutting;
After the light shading treatment is finished, a plant illuminating lamp is turned on to carry out light treatment on the seedling raising tray, and the light ratio of the plant illuminating lamp is 3.8-4.1 of red and blue light: 1, photosynthetic light quantum flux density is 200-250 mu mol.m -2·s-1, photoperiod of bright period/dark period is 14-16/10-8 h, temperature of environment where the seedling tray is located in bright period/dark period is controlled to be 20-24/17-19 ℃, and relative humidity is 65-75/75-85%;
and when all cuttings root by 2-3 cm and the number of lateral roots reaches 2-3, uncovering the moisturizing cover, and carrying out light treatment on all cuttings for 2-4 days.
4. The cutting seedling raising method of rosemary according to claim 1, wherein:
In the step S1, before the sponge block is paved in the seedling raising tray, the sponge block is fully sucked with purified water.
5. The cutting seedling raising method of rosemary according to claim 1, wherein:
In the step S2, the length of the cutting is 2-4 cm, 1-2 knots are arranged, and the base of the cutting is a chamfer with an angle not smaller than 45 degrees.
6. The cutting seedling raising method of rosemary according to any one of claims 1 to 5, wherein:
In the step S3, the cutting is soaked in the diluent of the rooting powder for 10-30 min, and when the soaked cutting is placed in the sponge block, one cutting is placed in each sponge block.
7. The cutting seedling method of rosemary according to claim 6, wherein:
in step S3, the moisture preservation treatment for the seedling raising tray specifically includes: pouring 1L of purified water into the bottom of the seedling tray by using a beaker.
8. The cutting seedling method of rosemary according to claim 6, wherein:
in the step S3, the rooting powder is 50% of an Inethyl naphthalene mixture, and the cuttings are soaked in a diluent which is diluted 1000-2000 times by the rooting powder.
9. The method according to claim 6 or 7, wherein in step S4, before the seedling raising tray is subjected to light-shielding treatment within 7 days after cutting, the seedling raising tray is further placed on a cultivation frame of a seedling raising room in a plant factory.
10. The cutting seedling raising method of rosemary according to claim 2, wherein:
In the step S4, the shading treatment of the seedling raising tray is carried out 3 days after cutting;
The light ratio of the plant illuminating lamp is red and blue light 4:1, the photosynthetic light quantum flux density of the plant illuminating lamp is 250 mu mol.m -2·s-1, the photoperiod of the bright period/dark period is 16/8h, the temperature of the environment where the seedling tray is positioned in the bright period/dark period is controlled to be 22/17 ℃, and the relative humidity is 75/85%;
And when all cuttings root by 2cm and the number of lateral roots reaches 2, uncovering the moisturizing cover, and carrying out light treatment on all cuttings for 3 days.
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| CN202311679351.5A CN117918139A (en) | 2023-12-07 | 2023-12-07 | Cutting seedling raising method for rosemary |
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