CN109757233B - Full-illumination spray cuttage rapid propagation method for sympodial bamboos - Google Patents
Full-illumination spray cuttage rapid propagation method for sympodial bamboos Download PDFInfo
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Abstract
The invention discloses a method for quickly propagating sympodial bamboos by full-illumination spray cuttage, which relates to the technical field of propagation of sympodial bamboos and comprises the steps of preparation work, wood selection, cuttage pretreatment, cuttage, spray management and seedling transplanting, wherein 1-2-year-old sympodial bamboos are selected as stock plants during wood selection, water retention and cuttage work are carried out in time after cutting off cuttage materials from the stock plants, a spraying device is started after cuttage is finished, and the cuttage materials are ensured to have sufficient water in the whole propagation process. According to the full-illumination spray cuttage rapid propagation method for the sympodial bamboos, most leaves on a cuttage material can be reserved, natural light is utilized to promote photosynthesis of the leaves, endogenous hormones are generated to stimulate the bamboo roots to take root, the cuttage material is enabled to grow more robust, meanwhile, a high-temperature and high-humidity environment can be provided for the cuttage material, the rooting speed of the cuttage material is obviously accelerated, and the problems that the leaves of the sympodial bamboo cuttage material are easy to lose due to volatile water, the roots are accumulated with water and the like and are easy to rot can be effectively solved by matching with a culture medium.
Description
Technical Field
The invention relates to the technical field of sympodial bamboo propagation, in particular to a full-illumination spray cuttage rapid propagation method for sympodial bamboo.
Background
Bamboo is an important component of forest resources and can be divided into sympodial bamboo and scattered bamboo, and the sympodial bamboo has the characteristics of large bamboo yield, high outturn percentage, beautiful appearance, strong soil-fixing and water-retaining capacities and the like, has huge utilization value and ecological economic development potential, and is a bamboo species type which is preferentially considered in developing bamboo dual-purpose forests in various places.
Because the seeds of the sympodial bamboos are difficult to obtain, the traditional sympodial bamboo forestation mainly takes stump and pole transplanting, the forestation cost is higher, the risk of destroying the growth and bamboo shoot growing capability of the original bamboo plexus is realized, the problems of inconvenient transportation and planting, unfavorable production and expansion of the sympodial bamboos and the like are solved; in recent ten years, the tissue culture of domestic and foreign bamboo plants has achieved great results, but the tissue culture technology has great difficulty, needs certain equipment conditions, and is difficult to master by the general public, so that the popularization difficulty is high.
The cuttage is one of bamboo nutrition propagation technologies, and has the characteristics of simplicity, convenience, low cost, large-scale production and the like. The cuttage propagation of the sympodial bamboos mostly utilizes secondary branches of the bamboos, wherein the secondary branches are branches grown by sprouting of buds at the base parts of main branches, branch skimmia japonica expands, buds are full, and the branches have root tissues and can independently grow into complete plants under proper conditions. Under the influence of seasons, the raw bamboos can quickly root in cuttage in summer (in 6-8 months), and if the conditions are proper, the cuttage in summer can be carried out for 60-90 days to leave the nursery; however, because the bamboo cutting branches are fragile in the early growth stage and are easily sunburned or dehydrated due to high temperature in summer, in order to improve the survival rate, most leaves of the cutting branches need to be trimmed and strong shading measures are needed, the measures can guarantee survival of the cutting branches, but have an inhibiting effect on the growth of the cutting branches, and the greater the trimming strength is, the greater the shading strength is, and the greater the inhibiting effect is. Therefore, how to solve the contradiction between survival rate and growth speed of the raw bamboos in summer cuttage is a key problem for determining whether the technology can be popularized and applied in production.
Disclosure of Invention
Aiming at the problems, the invention aims to design and provide a method for quickly breeding sympodial bamboos by full-illumination spray cuttage, which has the characteristics of rapidness, high efficiency, strong seedling emergence and the like compared with the traditional method for breeding the sympodial bamboos by cuttage, and greatly improves the breeding efficiency of the sympodial bamboos.
The invention solves the technical problems by the following technical means:
a full-illumination spray cuttage rapid propagation method for sympodial bamboos comprises the following steps:
preparation work: setting up a seedbed, and erecting a spraying device 1.5-1.8 meters above the seedbed;
selecting materials: in the last ten days of 5 months to 6 months, sympodial bamboos which grow for 1-2 years and have the diameter of 1-4cm are selected as mother plants as cuttage materials, the mother plants take nodes as units, the length of the upper nodes is kept to be 2-3cm, the length of the lower nodes is kept to be 3-5cm, 2-4 branches are kept on the nodes, 3-4 nodes are kept for each branch, and 5-8 branches with leaves are reserved;
or selecting 1-3cm complete main branches with stumps on the stock plant as cuttage materials, and reserving 3-4 nodes of branches with 15-20 leaves;
cutting pretreatment: cutting the selected cuttage material from the stock plant, wherein the length of the cuttage material is 50-60cm, peeling off leaves wrapped at the base of the branch roots, and immediately inserting the cuttage material into water or a mancozeb aqueous solution for soaking for 1-2 hours;
cuttage: after the spraying device is started to drip wash the seedbed for 2-3 days, obliquely inserting the treated cuttage material into the seedbed at an angle of 45 degrees, compacting, and starting spraying within 10 minutes after the cuttage is finished;
spray management: intermittently spraying without shading the seedbed to maintain the cuttage material with sufficient water, removing the dead seedlings in time, and gradually reducing the spraying time after 15-20 days to harden the seedlings;
transplanting seedlings to a field: and when the cutting material has new buds and leaves, and the root hair length of the branch roots is more than 10cm, moving the cutting material with long roots into the non-woven cloth bag to continue culturing for 1 month, and then taking out of the nursery.
By adopting the propagation method, the leaves of the clustered bamboo cutting material do not need to be greatly trimmed, and a full-light shading-free mode is adopted in the management process, so that the damage to the cutting material is reduced, the inhibition effect on the growth of the cutting material is reduced, a high-temperature and high-humidity environment suitable for the growth of the cutting material is provided, and therefore, the cutting material grows better, and the survival rate is improved to a certain extent.
Further, the width of the seedbed in the preparation work is 1-1.2 m, the height is 35cm, and the length is 5-10 m.
Further, a layer of hollow brick is paved at the bottom of the seedbed in the preparation work, a perlite layer with the thickness of 30cm is paved on the hollow brick, or a coarse sand layer and a perlite layer are sequentially paved on the hollow brick from bottom to top, the thickness of the coarse sand layer is 15-20cm, and the thickness of the perlite layer is 10-15 cm.
The perlite is adopted as the cuttage matrix, and the perlite has good air permeability and water permeability, so that the problem that the root of the cuttage material is accumulated with water to cause the base to rot even in a high-humidity environment is solved.
Further, the cuttage step specifically comprises: and (3) starting a spraying device to drip wash the seedbed for 2-3 days, obliquely inserting the treated cutting material into the seedbed at an angle of 45 degrees according to the line spacing of 20-30cm and the plant spacing of 15-20cm, wherein the depth of the perlite is 5-8cm, the part of the branch roots is buried 2cm below the perlite, compacting the cutting material by the perlite, and spraying within 10 minutes after the insertion.
Under the operation, the seedbed is fully leached by spraying, so that the alkalinity of the perlite layer on the seedbed is reduced, the seedbed is more suitable for the growth of the sympodial bamboos, and meanwhile, the perlite layer sinks to be compact, and the cuttage material can be better fixed.
Further, in the spray management step, the temperature of the environment where the cutting material is located is kept at 32-38 ℃, and the humidity is kept at 90-100%.
The high-temperature and high-humidity environment can promote the rooting of the cutting material and increase the rooting speed of the cutting material to a certain extent.
Further, in the spray management step, the specific manner of intermittent spraying is as follows:
spraying every 40-60 seconds for 10-15 seconds when the ambient temperature is higher than 35 ℃ or 6 am to 19 pm on a sunny day;
spraying every 3-5 minutes for 10-15 seconds on a cloudy day;
spraying for 2 minutes every 1 hour in rainy days or 19 hours in the evening-6 days next time.
The corresponding spraying time and spraying interval are set according to the environmental temperature and time, so that the growth requirement of the cuttage material can be met, the cuttage material is prevented from drying up, and water resources can be saved to a certain extent.
Further, in the step of transplanting the seedlings to the field, the diameter of the non-woven fabric bag is 18-22 cm.
Further, in the step of transplanting seedlings to fields, peat soil and perlite are mixed according to the mass ratio of 7:3 to serve as a matrix during transplanting, and organic fertilizer is applied to serve as a base fertilizer.
Furthermore, nutrient beads are mixed in the perlite layer, the nutrient beads comprise an inner core and an antibacterial layer coated outside the inner core, and the inner core comprises a shell and nutrient solution wrapped in the shell.
The cuttage material cut from the stock plant is in a high-temperature and high-humidity environment, the base part is very easy to be infected by fungi and black and rot, the nutrition beads are added into the perlite layer, in the early stage of cuttage, the external bacteriostatic layer can be slowly released into gaps of the perlite to inhibit the growth of the fungi, so that the rotting rate of the base part of the cuttage material is reduced, the internal nutrient solution seeps out along with the increase of the cuttage time, the cuttage material has rooted at the moment, and the nutrition substances in the nutrient solution can be well absorbed, so that the growth of the roots can be promoted under the action of the liquid nutrient, and the development of the cuttage material is stronger.
The invention has the beneficial effects that:
1. the full-illumination spray cutting method is a semi-automatic and mechanical control cutting breeding technology, is convenient and fast in later-period maintenance and management, can provide a high-temperature and high-humidity environment for cutting materials in a breeding process, obviously accelerates the rooting speed of the cutting materials, and can effectively solve the problems that the leaves of the clustered bamboo cutting seedlings are easy to lose water and the roots are easy to rot and the like.
2. The full-light spray cuttage method is adopted, most leaves on the cuttage material can be reserved, the photosynthesis of the leaves is promoted by using natural light, endogenous hormones are generated to stimulate the bamboo roots to root, and the cuttage material is enabled to grow more robustly.
3. The soilless culture substrate mainly made of perlite has good air permeability and dehydration capacity, so that the base of the tufted bamboo cuttage material is not easy to rot, and meanwhile, the disease, insect and fungus damages from soil can be effectively reduced.
Detailed Description
The present invention will be described in detail with reference to specific examples below:
according to the full-illumination spray cuttage rapid propagation method for the sympodial bamboos, the sympodial bamboos are propagated in a cuttage mode, most leaves on a cuttage material can be reserved in the propagation process, the cuttage material is enabled to be more robust, and the nutrition layer is arranged on the perlite layer of the seedbed, so that rooting and development of the cuttage material can be promoted.
Example one
Preparation of the inner core: thermoplastic forming is carried out on the shell of the nutrition bead by a conventional method, polyhexamethylene lactone is placed in a hopper, then the mixture is sent into a machine barrel to be heated and melted at the temperature of 60-65 ℃, the mixture is injected into a mould by a plunger through a nozzle to be thermoplastic, and after cooling and shaping, demoulding is carried out to obtain a spherical nutrition bead shell, and the shell with 1 micropore is obtained by conventional mechanical punching; mixing potassium nitrate: ammonium nitrate: potassium dihydrogen phosphate: weighing magnesium sulfate according to the mass ratio of 1.9:1.65:0.17:0.37, mixing, dissolving in 1000ml of water to form a nutrient solution, adding the shell into the nutrient solution, taking out after the shell is filled with the nutrient solution, coating beeswax wax liquid on micropores of the shell, sealing, cooling and solidifying to obtain the inner core of the nutritional bead.
The polyhexamethylene lactone is adopted as the shell, has a low melting point, can be molded at a low temperature, has good biodegradability and cannot pollute the environment.
Preparation of modified shell powder: cleaning a shell with clear water, soaking the shell in 0.1% hydrochloric acid solution, soaking for 12h, taking out, washing with distilled water until the pH value is 7, freezing at the temperature of-10 ℃ for 24h, drying in an oven at the temperature of 80 ℃, grinding to obtain shell powder, placing the shell powder in a tubular furnace, heating to 600 ℃ for calcination for 2h, heating to 800 ℃ for calcination for 2h, finally heating to 1000 ℃ for calcination for 2h, cooling along with the furnace, taking out, adding the shell powder into a silane coupling agent solution which is 15 times of the mass of the shell powder and is 1% of the mass of the shell powder, stirring and mixing uniformly, placing in an ultrasonic container, carrying out ultrasonic treatment for 30min to obtain a precipitate, filtering, washing with deionized water to neutrality, and drying at the temperature of 60 ℃ to obtain the modified shell powder.
The shell powder is washed by hydrochloric acid to remove external impurities, and then low-temperature freezing and high-temperature calcining are carried out, so that the texture of the shell powder becomes loose, carbon dioxide is released in the calcining process, and a large number of micropores and mesopores are formed on the shell powder, thereby increasing the specific surface area and the adsorption property of the shell powder.
Coating an antibacterial layer: weighing 100 g of carbendazim, dissolving the carbendazim in 95% micro ethanol, adding 10L of water to prepare 10g/L of carbendazim solution, then adding the modified shell powder into the mixed solution to prepare paste, coating the paste on the outer surface of the core by using a brush, naturally drying the paste, repeating the coating process for 2-3 times, and naturally drying the paste to obtain the nutritional beads.
The modified shell powder has good adsorption performance and slow release capacity, and can better absorb the carbendazim component in the solution.
In the process of culture, the cutting material cut from a stock plant is in a high-temperature and high-humidity environment, the base part is very easily infected with fungi and becomes black and rotten, after the nutrient beads are used, carbendazim in the outer surface bacterium inhibiting layer is slowly released into gaps of perlite in the early stage of culture to inhibit the growth of the fungi, so that the rotting rate of the base part of the cutting material is reduced, the bacterium inhibiting layer gradually falls off under the action of water flow along with the increase of culture time, the shell of the inner core is degraded, the nutrient solution in the inner core slowly seeps out, the cutting material roots at the moment, and ions such as nitrogen, phosphorus, potassium, magnesium and the like in the nutrient solution can be well absorbed, so that the growth of the roots can be promoted under the action of the liquid nutrient, and the development of the cutting material is stronger.
Preparation work: building a seedbed with the width of 1-1.2 meters, the height of 35cm and the length of 5-10 meters on the ground by using bricks, paving a layer of hollow bricks at the bottom of the seedbed, paving perlite layers with the thickness of 30cm on the hollow bricks, or paving a coarse sand layer with the thickness of 15-20cm and a perlite layer with the thickness of 10-15cm on the hollow bricks in sequence from bottom to top, wherein perlite and nutrient beads are mixed before the perlite layers are paved, and the volume ratio of the nutrient beads to the perlite is 1: 20; after the seedbed is built, a spraying device is erected at a position 1.5-1.8 meters above the seedbed and comprises a plurality of water pipes parallel to the seedbed, spraying nozzles are installed on the water pipes at intervals of 0.5-0.8 meter, water sprayed by the spraying nozzles is fine and foggy, the water pipes are connected with devices such as a water pump and a water tower in a conventional mode, and a water pump power supply is connected with a timer and a time relay, so that the starting and working time of the water pump can be automatically controlled.
Selecting materials: in the last ten days of 5 months to the last 6 months, green bamboos which grow for 1 to 2 years and have the diameters of 1 to 4cm are selected as stock plants as cuttage materials, the stock plants are required to be robust, free of plant diseases and insect pests and free of flowering signs, wherein the cuttage materials specifically refer to: the stock plant takes the nodes as units, the length of the nodes is kept to be 2-3cm, the length of the nodes is kept to be 3-5cm, 2-4 branches are kept on the nodes, secondary branches can also be kept, and each branch is kept to be 3-4 nodes with 5-8 leaves.
Cutting pretreatment: cutting the selected cuttage material from the stock plant, wherein the length of the cuttage material is 50-60cm, then stripping off leaves wrapped by the root of the branch stump, immediately inserting the leaves into water or a mancozeb aqueous solution for soaking for 1-2 hours, and the cuttage material cannot be dehydrated or the leaves cannot be rolled up in the operation process.
Cuttage: and after a spraying device is started to drip the seedbed for 2-3 days, the seedbed medium is sufficiently drip-washed, the alkalinity of the medium is reduced, the medium sinks and is compacted, then the treated cutting material is obliquely inserted into the perlite layer at an angle of 45 degrees according to the row spacing of 20-30cm and the plant spacing of 15-20cm, the depth of the perlite layer is 5-8cm, the branch and root part is buried 2cm below the surface of the perlite layer, the perlite is used for compacting, and spraying is started within 10 minutes after the insertion.
Spray management: the seedbed does not shade, and intermittent spraying specifically comprises: spraying every 40-60 seconds for 10-15 seconds when the ambient temperature is higher than 35 ℃ or 6 am to 19 pm on a sunny day; spraying every 3-5 minutes for 10-15 seconds on a cloudy day; spraying for 2 minutes every 1 hour in rainy days or 19 hours at night-6 days next time; in the whole process, the leaves cannot be curled or the bamboo stalks lose water, the cuttage material is kept to have sufficient water, dead seedlings are removed in time, and the spraying time is gradually reduced for hardening seedlings according to the rooting condition after 15-20 days.
Transplanting seedlings to a field: when the cutting material has new buds and leaves, and the root hair length of the branch and root part is more than 10cm, moving the cutting material with long roots into a non-woven fabric bag for continuous cultivation, wherein the diameter of the non-woven fabric bag is 18-22cm, mixing peat soil and perlite according to the mass ratio of 7:3 during transplantation to serve as a matrix, applying an organic fertilizer as a base fertilizer, and taking the mixture out of the nursery after 1 month.
Example two
Compared with the first embodiment, the difference is that in the step of selecting the timber, stout green bamboos in natural bamboo forests are selected as mother plants, complete major branches with roots with the diameter of 1-3cm on the mother plants are used as cuttage materials, roots are kept complete, branches are kept for 3-4 knots, and the branches are 15-20 leaves.
EXAMPLE III
This example is different from the first example in that no nutrient beads are added.
Example four
Preparation work: building a seedbed with the width of 1-1.2 meters, the height of 35cm and the length of 5-10 meters on the ground by using bricks, paving a layer of hollow bricks at the bottom of the seedbed, paving a fine sand layer with the thickness of 30cm on the hollow bricks, or paving a coarse sand layer with the thickness of 15-20cm and a fine sand layer with the thickness of 10-15cm on the hollow bricks in sequence from bottom to top; then, a sunshade is built above the seedbed.
Selecting materials: in the last ten days of 5 months to 6 months, green bamboos growing for 1-2 years and having diameters of 1-4cm are selected as mother plants, the mother plants are required to be robust, free of diseases and insect pests and free of flowering signs, the mother plants are divided into sections, the sections are kept 2-3cm long, the sections are kept 3-5cm long, 2-4 branches are kept on the sections, secondary branches can be kept, each branch is kept 3-4 sections and provided with 2-3 leaves, if the strong green bamboos in natural bamboos are selected as the mother plants, the main branches with roots and diameters of 1-3cm on the mother plants can be selected as cuttage materials, the branch roots are required to be kept complete, the branches are required to be kept 3-4 sections and provided with 4-6 leaves.
Cutting pretreatment: cutting the selected cuttage material from the green bamboo stock plant, wherein the length of the cuttage material is 50-60cm, then stripping off leaves wrapped at the base of the branch roots, reserving 2-3 leaves on the branches, immediately inserting the branches into water or a mancozeb aqueous solution for soaking for 1-2 hours, and the cuttage material cannot be dehydrated or rolled up in the operation process.
Cuttage: the treated cuttage material is obliquely inserted into a seedbed at an angle of 45 degrees according to the row spacing of 20-30cm and the plant spacing of 15-20cm, the depth of the cuttage material in a fine sand layer is 5-8cm, the branch root part is buried in a position 2cm below the surface of the fine sand layer, the cuttage material is compacted by fine sand, and watering is carried out within 10 minutes after the cuttage is finished.
Management: and (5) shading and watering in time after cuttage, and managing according to a conventional mode to keep the sand bed moist.
Transplanting seedlings to a field: when the cutting material has new buds and leaves, and the root hair length of the branch and root part is more than 10cm, moving the cutting material with long roots into a non-woven fabric bag for continuous cultivation, wherein the diameter of the non-woven fabric bag is 18-22cm, mixing peat soil and perlite according to the mass ratio of 7:3 during transplantation to serve as a matrix, applying an organic fertilizer as a base fertilizer, and taking the mixture out of the nursery after 1 month.
And (3) counting and recording the rooting rate, the survival rate and the outplanting rate of the first embodiment to the fourth embodiment, wherein the recorded results are as follows:
| time to root | Survival rate | Rooting rate | Rate of outplanting | |
| Example one | 15-25 days | 97.9％ | 92.3％ | 90.3％ |
| Example two | 15-25 days | 97.6％ | 91.8％ | 91.5％ |
| EXAMPLE III | 15-25 days | 88.2％ | 83.6％ | 80.8％ |
| Example four | 35-50 days | 56.7％ | 45.1％ | 40.3％ |
As can be seen from the above table, compared with the conventional cuttage mode, the seedbed adopting full-light spray and perlite as main substrates can greatly shorten the rooting time of green bamboos (one of sympodial bamboos), and meanwhile, because the air humidity is greatly improved compared with the conventional mode, the survival rate of the green bamboos is obviously improved; wherein part of the cutting material has new buds and leaves are developed to show survival, but the base part does not root or the base part is black and rotten to show 'false survival', and the rooting plant at the base part basically and completely survives. By using the cutting propagation method, more leaves can be reserved on the cutting material without shading treatment, and the addition of the nutrient beads improves the rooting rate of the cutting material to a certain extent, so that the cutting material grows strongly and has a stronger root system, thereby greatly increasing the survival rate and the outplanting rate of the cutting material.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (8)
1. A full-illumination spray cuttage rapid propagation method for sympodial bamboos is characterized by comprising the following steps:
preparation work: setting up a seedbed, and erecting a spraying device 1.5-1.8 meters above the seedbed;
selecting materials: in the last ten days of 5 months to 6 months, sympodial bamboos which grow for 1-2 years and have the diameter of 1-4cm are selected as mother plants as cuttage materials, the mother plants take nodes as units, the length of the upper nodes is kept to be 2-3cm, the length of the lower nodes is kept to be 3-5cm, 2-4 branches are kept on the nodes, 3-4 nodes are kept for each branch, and 5-8 branches with leaves are reserved;
or selecting 1-3cm complete main branches with stumps on the stock plant as cuttage materials, and reserving 3-4 nodes of branches with 15-20 leaves;
cutting pretreatment: cutting the selected cuttage material from the stock plant, wherein the length of the cuttage material is 50-60cm, peeling off leaves wrapped at the base of the branch roots, and immediately inserting the cuttage material into water or a mancozeb aqueous solution for soaking for 1-2 hours;
cuttage: after the spraying device is started to drip wash the seedbed for 2-3 days, obliquely inserting the treated cuttage material into the seedbed at an angle of 45 degrees, compacting, and starting spraying within 10 minutes after the cuttage is finished;
spray management: intermittently spraying without shading the seedbed to maintain the cuttage material with sufficient water, removing the dead seedlings in time, and gradually reducing the spraying time after 15-20 days to harden the seedlings; transplanting seedlings to a field: when the cutting material has new buds and leaves, and the root hair length at the branch roots is more than 10cm, moving the cutting material with long roots into a non-woven bag to continue culturing for 1 month, and then taking out of the nursery;
the intermittent spraying is specifically as follows:
spraying every 40-60 seconds for 10-15 seconds when the ambient temperature is higher than 35 ℃ or 6 am to 19 pm on a sunny day;
spraying every 3-5 minutes for 10-15 seconds on a cloudy day;
spraying for 2 minutes every 1 hour in rainy days or 19 hours in the evening-6 days next time.
2. The method for full-illumination spray cuttage rapid propagation of sympodial bamboos as claimed in claim 1, wherein the width of the seedbed in preparation is 1-1.2 m, the height is 35cm, and the length is 5-10 m.
3. The method for full-illumination, spray-cuttage and rapid propagation of sympodial bamboos as claimed in claim 2, wherein a layer of hollow brick is laid on the bottom of the seedbed in preparation, a perlite layer with the thickness of 30cm is laid on the hollow brick, or a coarse sand layer and a perlite layer are laid on the hollow brick from bottom to top in sequence, the thickness of the coarse sand layer is 15-20cm, and the thickness of the perlite layer is 10-15 cm.
4. The full-illumination spray cuttage rapid propagation method for sympodial bamboos as claimed in claim 3, wherein the cuttage step specifically comprises: and (3) starting a spraying device to drip wash the seedbed for 2-3 days, obliquely inserting the treated cutting material into the seedbed at an angle of 45 degrees according to the line spacing of 20-30cm and the plant spacing of 15-20cm, wherein the depth of the perlite is 5-8cm, the part of the branch roots is buried 2cm below the perlite, compacting the cutting material by the perlite, and spraying within 10 minutes after the insertion.
5. The full-illumination spray-cutting rapid propagation method for the sympodial bamboos as claimed in claim 4, wherein in the spray management step, the temperature of the environment where the cutting material is located is kept at 32-38 ℃ and the humidity is kept at 90-100%.
6. The method for full-illumination spray cuttage rapid propagation of sympodial bamboos as claimed in claim 5, wherein in the step of transplanting seedlings to field, the diameter of the non-woven fabric bag is 18-22 cm.
7. The method for full-illumination spraying cuttage rapid propagation of sympodial bamboos as claimed in claim 6, wherein in the step of transplanting seedlings to a field, peat soil and perlite are mixed according to a mass ratio of 7:3 and then used as a matrix, and organic fertilizer is applied as a base fertilizer.
8. The method for full-illumination spray-cutting rapid propagation of sympodial bamboos according to any one of claims 3 to 7, wherein nutrient beads are mixed in the perlite layer, the nutrient beads comprise an inner core and an antibacterial layer coated outside the inner core, the inner core comprises an outer shell and a nutrient solution wrapped in the outer shell.
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| CN114145142B (en) * | 2021-11-19 | 2023-06-06 | 重庆市林业科学研究院 | Industrial cutting method for sympodial bamboos |
| CN115136801A (en) * | 2022-07-18 | 2022-10-04 | 中国林业科学研究院林业研究所 | Full-illumination spraying cuttage method for ancient arborvitae |
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