CN111567242A - High-density twig cutting seedling method for crape myrtle velvet - Google Patents
High-density twig cutting seedling method for crape myrtle velvet Download PDFInfo
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- CN111567242A CN111567242A CN202010439304.3A CN202010439304A CN111567242A CN 111567242 A CN111567242 A CN 111567242A CN 202010439304 A CN202010439304 A CN 202010439304A CN 111567242 A CN111567242 A CN 111567242A
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01G2/10—Vegetative propagation by means of cuttings
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Abstract
The invention belongs to the technical field of cutting seedling, in particular to a high-density twig cutting seedling method of crape myrtle velvet, wherein a covering device in the method comprises a base, pneumatic push rods are arranged at the top end of the base, a supporting table is arranged at the top end of each pneumatic push rod, a supporting rod is connected to the side surface of each supporting table, supporting plates are connected to the other ends of the supporting rods, rotating rods are rotatably connected between the two symmetrically arranged supporting plates, two groups of annular rolling platforms are respectively sleeved on the outer surfaces of the rotating rods, rolling rings are connected to the outer surfaces of the rolling platforms, and fixing clamps which are uniformly distributed in an annular mode are arranged on the two rolling rings; according to the method, the sunshade net can be simply and quickly covered on the greenhouse through the arranged covering device, the sunshade rate of the sunshade net can be effectively adjusted through the covering device, so that the cuttage twigs can be effectively adjusted through the sunshade net, the environment in the greenhouse is more suitable for the twigs to grow, and the growth efficiency of the twigs is greatly improved.
Description
Technical Field
The invention belongs to the technical field of cutting seedling, and particularly relates to a high-density twig cutting seedling method of crape myrtle velvet.
Background
The Lagerstroemia speciosa is a small deciduous tree with upright leaves, the height is 8-10m, the crown width is 10-12m, the Lagerstroemia speciosa is a new species of Lagerstroemia speciosa of Lagerstroemia of Lythraceae, and is introduced into China from the United states, and the species of Lagerstroemia speciosa shows strong tree-shaped uprightness (lateral branches grow upwards at an angle of 45 degrees), unique leaf color (fresh red leaves and old leaves are dark green), noble flower color (rose red flowers), overlong flowering phase (south can reach 150 and 180 days), large flower quantity (the longest of a cone inflorescence can reach 50cm), fragrant flowers (fragrant and elegant flowers), fast growth, extremely low temperature resistance (can resist low temperature of-20 ℃) and the like after being introduced and cultivated in China. The velvet crape myrtle integrates flower observation and leaf observation, is the most popular type of the crape myrtle in the United states, can be widely planted in a single or cluster garden after being introduced into China, can also be used for manufacturing stumps or bonsais, is a good garden plant for greening and beautifying the environment and growing flowers at home, and has great market demand.
The asexual propagation can maintain the excellent characters of the mother tree, and the asexual propagation method of the American velvet lagerstroemia indica comprises tissue culture, grafting, cuttage and the like. Wherein the tissue culture technology has high requirement, complex operation and expensive production cost; the grafting propagation is large in labor consumption, stocks of more than two years need to be cultured, the cutting propagation implementation condition is simple and convenient, the operation is easy, the propagation cost is low, at present, the crape myrtle cutting seedling raising technology in the prior art has the advantages of being simple and convenient in condition, easy to operate and low in propagation cost, but has some problems, such as short average root length, unsatisfactory survival rate and the like.
In view of the above, the invention provides a high-density twig cutting seedling method for crape myrtle, which can simply and quickly cover a sunshade net on a greenhouse through the arranged covering device, and can effectively adjust the sunshade rate of the sunshade net through the covering device, so that the sunshade net can more effectively and reasonably adjust the cuttage twigs and the environment in the greenhouse is more suitable for the twigs to grow, thereby greatly improving the growth efficiency of the twigs.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-density twig cutting seedling method of the velvet crape myrtle, the sunshade net can be simply and quickly covered on the greenhouse through the arranged covering device, the sunshade rate of the sunshade net can be effectively adjusted through the covering device, the sunshade net can more effectively and reasonably adjust the cuttage twigs, the environment in the greenhouse is more suitable for the twigs to grow, and the growth efficiency of the twigs is greatly improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a high-density twig cutting seedling method of crape myrtle velvet, which comprises the following steps:
s1: selecting the treated river sand as a cutting medium, and paving the river sand on a seedbed to be 20-25cm thick; the river sand is river sand with the diameter of 0.2-0.3mm, and is used after being sterilized by 1000 times of solution of 58 percent metalaxyl-manganese zinc wettable powder; by selecting fine river sand which is subjected to 1000 times of solution sterilization treatment of metalaxyl-manganese zinc wettable powder as a cutting medium, the growth efficiency of the twig and the survival rate of the twig cutting seedling are greatly improved;
s2: after a cutting medium is selected in S1, selecting strong semi-lignified branches without plant diseases and insect pests in the middle and late ten days of 6 months as cutting slips, carrying out cutting in a greenhouse after the semi-lignified branches are treated by a rooting agent, wherein the cutting density is 600 plus 700 plants/square meter, and the cutting depth is two thirds of the total length of the branches; the cutting shoot is treated by the rooting agent and the cutting length is set, so that the average rooting length of the cutting tender branch can be greatly increased, and the survival rate of the tender branch cutting seedling is further increased;
s3: after cutting shoot selection and cutting are carried out in S2, covering the two sunshade nets on the greenhouse by using a covering device, and controlling the sunshade rate of the sunshade nets by adjusting the relative positions of the sunshade nets, so that the sunshade rate of the sunshade nets in 6 months is kept between 70 and 80 percent, and the sunshade rate of the sunshade nets in 7 months is kept between 80 and 85 percent; the temperature is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net and the water spraying, moisture preserving and ventilation, and the pest control is carried out; because the high sun-shading rate is needed when the high-density twig cuttage seedling culture of the crape myrtle is carried out, the sun-shading net can be simply and quickly covered on the greenhouse through the arranged covering device, and the sun-shading rate of the sun-shading net can be effectively adjusted through the covering device, so that the sun-shading net can more effectively and reasonably adjust the cuttage twigs and the environment in the greenhouse is more suitable for the twigs to grow, and the growth efficiency of the twigs is greatly improved;
s4: after the sunshade net is adjusted in S3, the temperature in the greenhouse is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net and the water spraying, moisturizing and ventilation in the greenhouse, the pest control is carried out, the rooted seedlings are transplanted into the nutrition pot for hardening after 40 days, and the nutrition pot seedlings are transplanted into the field after 3 months; the temperature and the humidity in the greenhouse are controlled by retracting and releasing the sunshade net and spraying water, moisturizing and ventilating in the greenhouse, so that the environment in the greenhouse can be more suitable for culturing young seedlings at different growth stages, and the young branches of the swan velvet crape myrtle can be bred in a large batch at high quality;
the covering device used in the S3 comprises a base, wherein the base is symmetrically arranged in a pair of groups, rollers are arranged at the bottom end of the base, pneumatic push rods are arranged at the top ends of the base, two groups of supporting tables are arranged at the top ends of the pneumatic push rods, supporting rods are connected to the side faces of the supporting tables, the other ends of the supporting rods are connected with supporting plates, rotating rods are connected between the two symmetrically arranged supporting plates in a rotating mode through torsion springs, two groups of annular winding tables are sleeved on the outer surfaces of the rotating rods respectively, winding rings capable of realizing free winding are connected to the outer surfaces of the winding tables, a group of fixing clamps distributed in an annular mode are arranged on the sides, away from each other, of the two winding rings, and a sun shading; a sliding plate is arranged between the two supporting tables at the top end and the supporting rod, a sliding block is arranged on the side surface of the sliding plate close to the supporting tables, a sliding groove matched with the sliding block is arranged on the side surface of the supporting tables corresponding to the sliding block, a spring is connected between the side surface of the outer end of the sliding groove and the sliding block, a motor is arranged on the side surface of the supporting tables opposite to the sliding plate, the end part of the motor is connected with a rotating shaft, the other end of the rotating shaft penetrates through the supporting tables and is positioned on one side of the sliding plate, and a; the base is provided with a controller, and the controller is used for controlling the automatic operation of the covering device; when the device works, the controller controls the pneumatic push rod to drive the supporting platform at the top end to fall to the base, the rolling ring is stretched and spread by applying pulling force, then the four corners of the rectangular sunshade net are clamped and fixed by a group of fixing clamps arranged on the side edges of the rolling ring respectively, when acting force is not applied to the rolling ring in an opening state any more, the rolling ring rolls under the action of self-rebound force and end torsional spring and drives the sunshade net fixed inside to roll synchronously into a spiral shape, then the pneumatic push rod drives the sunshade net in the middle of the supporting platform to move upwards and be higher than the height of the greenhouse, at the moment, the roller under the base is pushed to drive the sunshade net in the middle of the supporting platform to move to the top end of the greenhouse needing to be covered, then the pneumatic push rod moves downwards again and drives the sunshade net at the top end to contact and attach to the greenhouse surface, at the moment, the greenhouse surface enables the rolled net surfaces on the rolling rings at the two ends to rotate gradually and cover the greenhouse The sunshade net is conveniently and quickly covered on the greenhouse surface, so that the complexity and damage of the sunshade net during covering are reduced, and the sunshade net can be quickly and effectively retracted and position-adjusted by adjusting the pneumatic push rod and the base; when the shading rates of the two shading nets need to be adjusted, the controller controls the motor to drive the rotating shaft to rotate and furl the furling rope, the furling rope can apply acting force to the sliding plate on one side under the furling action of the rotating shaft, so that the sliding plate drives the supporting plate at one side and the supporting plate at the bottom end to shift in position through the movement of the sliding block in the sliding chute under the action of the furling rope, thereby leading the two groups of supporting plates to relatively deviate on the horizontal position and simultaneously driving the shading net between the two groups of supporting plates to deviate, adjusting the shading area of the net surface by adjusting the contact ratio of the net openings of the two shading nets, therefore, the adjusted sunshade net can control the sunshade rate in the greenhouse in a more suitable tender seedling breeding range, the survival rate of tender seedlings is improved, the growth efficiency of tender seedlings can be effectively improved, and high-quality mass breeding of the velvet lagerstroemia indica tender branches can be realized.
Preferably, the winding table is connected with the outer surface of the rotating rod in a sliding manner, the rotating rod on one side of the winding table is connected with an annular sliding table in a sliding manner, and a fastening bolt capable of fixing the sliding table is connected with the inner part of the sliding table in a threaded manner; when the working process is carried out, when the greenhouse with different sizes is covered with the sunshade nets with different specifications, the length between the two rolling platforms is adjusted by adjusting the sliding of the rolling platform and the sliding table on one side on the rotating rod at the moment, after the position of the two rolling platforms is adjusted, the sliding table is fixed on the rotating rod by tightening the fastening bolt on the sliding table, and the position of the rolling platform can be limited by the sliding table fixed between the two rolling platforms at the moment when the working of the rolling platform is not influenced, so that the rolling ring on the rolling platform can fix the sunshade nets with different lengths, and the practicability and the applicability of the covering device during working are greatly increased.
Preferably, a limiting block is arranged on the side surface of the inner ring of the rolling platform, a limiting groove matched with the limiting block is arranged on the side surface of the rotating shaft corresponding to the limiting block, and the limiting block is positioned in the limiting groove; the during operation, when the roll-up platform slided on the bull stick and take place radial ascending rotation, the roll-up ring tip on two adjacent roll-up platforms also takes place the angular migration on the radial position thereupon and is not in same position department this moment, the roll-up ring makes sunshade net take place distortion easily and influence its normal use when fixed sunshade net both ends this moment, spacing groove and stopper through setting up the mutual complex this moment, make stopper and spacing groove can be spacing to its radial ascending rotation when guaranteeing roll-up platform smooth slip, thereby cover device stability at the during operation has been improved greatly.
Preferably, the end part of the rolling table extends out of the outer end of the end part of the rolling ring, and the diameter of the rolling table is larger than that of the sliding table; during operation, because the slip table carries on spacingly through lateral wall contact extrusion to the platform of rolling up, when the platform tip of rolling up flushes with roll-up ring tip or is located its inner, the side that slip table and roll-up platform are close to mutually is easy to rub with roll-up ring tip contact this moment, thereby influence the free roll-up and the work of roll-up ring, stretch out to roll-up ring tip outer end through setting up the platform tip of rolling up this moment, effectual reduction slip table and the direct contact of roll-up ring and the hindrance to its work production, and be greater than the slip table diameter through setting up roll-up platform diameter, make the slip table can not lead to its extrusion hindrance that its roll-up that leads to the sunshade net between two roll-up rings causes because of the diameter is too big, thereby further improved covering device validity.
Preferably, a group of compression bars are annularly and uniformly distributed and connected on the side surface of the sliding table close to the rolling table, and the top ends of the compression bars are provided with elastic layers made of rubber materials; the during operation, through the depression bar that sets up annular equipartition on the slip table side, when making the depression bar tip can apply even pressure and fixed to the slip table lateral wall, further reduce slip table and roll-up ring distance and lead to the influence that the slip table led to the fact to the motion of roll-up ring near, and through the elastic layer that is equipped with rubber materials and makes on the depression bar top, make the depression bar carry out spacing roll-up platform and have certain elastic expansion ability, thereby reduce two adjacent roll-up rings and drag the damage that leads to because of its both ends rigidity when fixed to the sunshade net, the life of sunshade net has been strengthened, thereby cover device's result of use has been improved greatly.
Preferably, the side surfaces of the base are both connected with elastic ropes, and the other ends of the elastic ropes are both provided with hooks; the during operation, when pneumatic push rod drives the sunshade net downstream rather than the middle part respectively and covers when the big-arch shelter surface, because the limitation of pneumatic push rod motion, make the sunshade net can not be abundant spread out and cover to the big-arch shelter bottom, through setting up the elasticity rope that is connected with the couple on the base this moment, hang the couple in the bottom of sunshade net through tensile elasticity rope, the couple makes the roll-up continue tensile spread out and cover on the surface of big-arch shelter bottom at the intra-annular sunshade net of roll-up through applying the effort to the sunshade net this moment, thereby make the sunshade net carry out more abundant sheltering from to the big-arch shelter surface, the result of use of covering device has further been improved.
The invention has the technical effects and advantages that:
1. according to the method for raising seedlings of the high-density twigs of the crape myrtle through the cutting, the sunshade net can be simply and quickly covered on the greenhouse through the arranged covering device, the sunshade rate of the sunshade net can be effectively adjusted through the covering device, the sunshade net can effectively and reasonably adjust the twigs of the cutting, the environment inside the greenhouse is more suitable for the twigs to grow, and therefore the growing efficiency of the twigs is greatly improved.
2. According to the method for cutting and seedling raising of the high-density twigs of the crape myrtle velvet, the rolling table and the rotating rod are arranged to be in sliding connection, and the sliding table which is aligned and limited is arranged on the rotating rod on one side of the rolling table, so that the rolling ring on the rolling table can fix sunshade nets with different lengths, and the practicability and the applicability of the covering device during working are greatly improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a diagram of the steps of the present invention;
FIG. 2 is a perspective view of a covering device according to the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the operation of the covering device of the present invention;
FIG. 5 is a schematic view of the structure of the covering device of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
in the figure: the device comprises a base 1, a roller 11, a pneumatic push rod 12, a support table 2, a support rod 21, a support plate 22, a rotating rod 23, a sliding plate 24, a sliding block 25, a sliding groove 26, a motor 27, a rotating shaft 28, a winding rope 29, a winding table 3, a winding ring 31, a fixing clamp 32, a sunshade net 33, a limiting block 34, a limiting groove 35, a sliding table 4, a fastening bolt 41, a pressure rod 5, an elastic layer 51, an elastic rope 6 and a hook 61.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, the high-density twig cutting seedling method of crape myrtle velvet disclosed by the invention comprises the following steps:
s1: selecting the treated river sand as a cutting medium, and paving the river sand on a seedbed to be 20-25cm thick; the river sand is river sand with the diameter of 0.2-0.3mm, and is used after being sterilized by 1000 times of solution of 58 percent metalaxyl-manganese zinc wettable powder; by selecting fine river sand which is subjected to 1000 times of solution sterilization treatment of metalaxyl-manganese zinc wettable powder as a cutting medium, the growth efficiency of the twig and the survival rate of the twig cutting seedling are greatly improved;
s2: after a cutting medium is selected in S1, selecting strong semi-lignified branches without plant diseases and insect pests in the middle and late ten days of 6 months as cutting slips, carrying out cutting in a greenhouse after the semi-lignified branches are treated by a rooting agent, wherein the cutting density is 600 plus 700 plants/square meter, and the cutting depth is two thirds of the total length of the branches; the cutting shoot is treated by the rooting agent and the cutting length is set, so that the average rooting length of the cutting tender branch can be greatly increased, and the survival rate of the tender branch cutting seedling is further increased;
s3: after the cutting shoot selection and the cutting are carried out in S2, covering the two sunshade nets 33 on the greenhouse by using a covering device, and controlling the sunshade rate of the sunshade nets 33 by adjusting the relative positions of the sunshade nets 33, so that the sunshade rate of the sunshade nets 33 in 6 months is kept between 70-80% and the sunshade rate of the sunshade nets 33 in 7 months is kept between 80-85%; the temperature is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net 33 and the water spraying, moisturizing and ventilation, and the pest control is carried out; because the high sun-shading rate is needed when the high-density twig cuttage seedling of the crape myrtle is carried out, the sun-shading net 33 can be simply and quickly covered on the greenhouse through the arranged covering device, and the sun-shading rate of the sun-shading net 33 can be effectively adjusted through the covering device, so that the sun-shading net 33 can more effectively and reasonably adjust the cuttage twigs and the environment in the greenhouse is more suitable for the twigs to grow, and the growth efficiency of the twigs is greatly improved;
s4: after the sunshade net 33 is adjusted in S3, the temperature in the greenhouse is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net 33 and the water spraying, moisturizing and ventilation in the greenhouse, the pest control is carried out, the rooted seedlings are transplanted into the nutrition pots for hardening after 40 days, and the nutrition pot seedlings are transplanted into the field after 3 months; the temperature and the humidity in the greenhouse are controlled by retracting the sunshade net 33 and spraying water, moisturizing and ventilating in the greenhouse, so that the environment in the greenhouse can be more suitable for culturing young seedlings at different growth stages, and the young branches of the lagerstroemia velvet are bred in a large batch at high quality;
the covering device used in the S3 includes a base 1, the base 1 is symmetrically arranged in pairs, rollers 11 are mounted at the bottom of the base 1, pneumatic push rods 12 are mounted at the top ends of the base 1, two groups of supporting tables 2 are arranged at the top ends of the pneumatic push rods 12, supporting rods 21 are connected to the side surfaces of the supporting tables 2, supporting plates 22 are connected to the other ends of the supporting rods 21, rotating rods 23 are rotatably connected between the two symmetrically arranged supporting plates 22 through torsion springs, two groups of annular furling tables 3 are respectively sleeved on the outer surfaces of the rotating rods 23, furling rings 31 capable of being furled freely are connected to the outer surfaces of the furling tables 3, a group of fixing clamps 32 uniformly distributed in an annular manner are respectively arranged on the sides of the two furling rings 31, and a sunshade net 33 is fixed on the fixing clamps 32; a sliding plate 24 is arranged between the two supporting tables 2 at the top end and the supporting rod 21, a sliding block 25 is arranged on the side surface of the sliding plate 24 close to the supporting table 2, a sliding groove 26 matched with the sliding block 25 is arranged on the side surface of the supporting table 2 corresponding to the sliding block 25, a spring is connected between the side surface of the outer end of the sliding groove 26 and the sliding block 25, a motor 27 is arranged on the side surface of the supporting table 2 opposite to the sliding plate 24, the end part of the motor 27 is connected with a rotating shaft 28, the other end of the rotating shaft 28 penetrates through the supporting table 2 and is positioned on one side of the sliding plate 24, and a winding rope 29; the base 1 is provided with a controller, and the controller is used for controlling the automatic operation of the covering device; when the device works, the controller controls the pneumatic push rod 12 to drive the supporting platform 2 at the top end to fall to the base 1, the rolling ring 31 is stretched and paved by applying pulling force, then the four corners of the rectangular sunshade net 33 are respectively clamped and fixed by a group of fixing clamps 32 arranged on the side edges of the rolling ring 31, when the rolling ring 31 in an opening state is not applied with acting force any more, the rolling ring 31 rolls under the action of self-rebound force and end torsion springs and drives the sunshade net 33 fixed inside to roll synchronously into a spiral shape, then the pneumatic push rod 12 drives the sunshade net 33 in the middle of the supporting platform 2 to move upwards and be higher than the height of the greenhouse, at the moment, the roller 11 under the base 1 is pushed to drive the sunshade net 33 in the middle of the supporting platform 2 to move to the top end of the greenhouse needing to be covered, then the pneumatic push rod 12 moves downwards again and drives the sunshade net 33 at the top end to contact and be attached to, at the moment, the greenhouse surface is gradually rotated and opened and covered on the greenhouse surface by applying an acting force on the sunshade net 33 to enable the net surface rolled on the rolling rings 31 at the two ends to rotate, so that the sunshade net 33 can be conveniently and quickly covered on the greenhouse, the complexity and damage of the sunshade net 33 during covering are reduced, and the sunshade net 33 can be quickly and effectively retracted and position-adjusted by adjusting the pneumatic push rod 12 and the base 1; when the shading rates of the two shading nets 33 need to be adjusted, the controller controls the motor 27 to drive the rotating shaft 28 to rotate and roll up the rolling rope 29, at this time, the rolling rope 29 can apply an acting force to the sliding plate 24 on one side under the rolling action of the rotating shaft 28, so that the sliding plate 24 drives the supporting plate 22 on one side and the supporting plate 22 at the bottom end to shift in position through the movement of the sliding block 25 in the sliding groove 26 under the action of the rolling rope 29, so that the shading nets 33 between the two groups of supporting plates 22 are driven to shift while the two groups of supporting plates 22 shift in a horizontal position, at this time, the shading area of the net surface is adjusted by adjusting the contact ratio of the net openings of the two shading nets 33, so that the shading rates in the greenhouse can be controlled in a more suitable breeding range of young seedlings, the survival rate of the young seedlings is improved, and the growth efficiency of the young seedlings is effectively improved, thereby enabling the swan velvet crape myrtle twig to be bred in large batch with high quality.
As an embodiment of the present invention, the winding table 3 is slidably connected to the outer surface of the rotating rod 23, and the rotating rod 23 on one side of the winding table 3 is slidably connected to an annular sliding table 4, and the inside of the sliding table 4 is threadedly connected to a fastening bolt 41 capable of fixing the sliding table 4; when the automatic rolling device is in operation, when the greenhouse with different sizes is covered with the sunshade net 33 with different specifications, the length between the two rolling platforms 3 is adjusted by adjusting the sliding of the rolling platform 3 and the sliding platform 4 on the rotating rod 23, and after the position of the two rolling platforms 3 is adjusted, the sliding platform 4 is fixed on the rotating rod 23 by tightening the fastening bolt 41 on the sliding platform 4, and the sliding platform 4 fixed between the two rolling platforms 3 can limit the position of the rolling platform 3 without affecting the work of the rolling platform 3, so that the rolling ring 31 on the rolling platform 3 can fix the sunshade net 33 with different lengths, and the practicability and the applicability of the covering device during operation are greatly increased.
As an embodiment of the present invention, a limit block 34 is disposed on a side surface of an inner ring of the winding table 3, a limit groove 35 matched with the limit block 34 is disposed on a side surface of the rotating shaft 28 corresponding to the limit block 34, and the limit block 34 is located inside the limit groove 35; when the folding device works, when the folding table 3 slides on the rotating rod 23 and rotates in the radial direction, the end parts of the folding rings 31 on two adjacent folding tables 3 also deviate in the radial direction along with the end parts and are not at the same position, at the moment, the folding rings 31 easily enable the sunshade net 33 to be distorted and deformed when the two ends of the sunshade net 33 are fixed, and the normal use of the sunshade net is influenced, at the moment, the limiting grooves 35 and the limiting blocks 34 are matched with each other through arrangement, so that the limiting blocks 34 and the limiting grooves 35 can limit the radial rotation of the folding tables 3 while ensuring the smooth sliding of the folding tables, and the stability of the covering device in working is greatly improved.
As an embodiment of the present invention, the end of the rolling table 3 extends out to the outer end of the rolling ring 31, and the diameter of the rolling table 3 is larger than that of the sliding table 4; during operation, because slip table 4 carries on spacingly through lateral wall contact extrusion to roll-up platform 3, when roll-up platform 3 tip flushes with roll-up ring 31 tip or is located its inner, the side that slip table 4 and roll-up platform 3 are close to mutually this moment easily with roll-up ring 31 tip contact friction, thereby influence the free roll-up and the work of roll-up ring 31, stretch out to roll-up ring 31 tip outer end through setting up roll-up platform 3 tip this moment, effectual reduction slip table 4 and roll-up ring 31's direct contact and the hindrance to its work production, and be greater than slip table 4 diameter through setting up roll-up platform 3 diameter, make slip table 4 can not lead to its extrusion hindrance that the roll-up of sunshade net 33 caused between two roll-up rings 31 because of the diameter is too big, thereby further improved covering device validity and stability at the during operation.
As an embodiment of the invention, a group of compression bars 5 are annularly and uniformly connected on the side surface of the sliding table 4 close to the rolling table 3, and the top ends of the compression bars 5 are provided with elastic layers 51 made of rubber materials; the during operation, through the depression bar 5 that sets up the annular equipartition on 4 sides of slip table, when making 5 tip of depression bar can apply even pressure and fixed to 4 lateral walls of slip table, further reduce slip table 4 and roll-up ring 31 distance and lead to the influence that slip table 4 led to the fact to the motion of roll-up ring 31 near, and through the elastic layer 51 that is equipped with rubber materials and makes on 5 tops of depression bar, make depression bar 5 carry out spacing roll-up platform 3 and have certain elastic expansion ability, thereby reduce two adjacent roll-up rings 31 and pull the damage that leads to because of its both ends rigidity when fixed sunshade net 33, the life of sunshade net 33 has been strengthened, thereby the result of use of covering device has been improved greatly.
As an embodiment of the invention, the side surfaces of the base 1 are both connected with an elastic rope 6, and the other ends of the elastic ropes 6 are both provided with a hook 61; the during operation, when pneumatic putter 12 drives the sunshade net 33 downstream and the cover at the big-arch shelter surface of brace table 2 rather than the middle part respectively, because the limitation of pneumatic putter 12 motion, make sunshade net 33 can not be abundant the spreading cover to the big-arch shelter bottom, through setting up the elasticity rope 6 that is connected with couple 61 on base 1 this moment, hang couple 61 in the bottom of sunshade net 33 through tensile elasticity rope 6, couple 61 makes the sunshade net 33 of roll-up in roll-up ring 31 continue tensile the spreading and cover on the surface of big-arch shelter bottom through applying the effort to sunshade net 33 this moment, thereby make sunshade net 33 carry out more abundant sheltering from to the big-arch shelter surface, further improved covering device's result of use.
When the device works, the controller controls the pneumatic push rod 12 to drive the supporting platform 2 at the top end to fall to the base 1, the rolling ring 31 is stretched and paved by applying pulling force, then the four corners of the rectangular sunshade net 33 are respectively clamped and fixed by a group of fixing clamps 32 arranged on the side edges of the rolling ring 31, when the rolling ring 31 in an opening state is not applied with acting force any more, the rolling ring 31 rolls under the action of self-rebound force and end torsion springs and drives the sunshade net 33 fixed inside to roll synchronously into a spiral shape, then the pneumatic push rod 12 drives the sunshade net 33 in the middle of the supporting platform 2 to move upwards and be higher than the height of the greenhouse, at the moment, the roller 11 under the base 1 is pushed to drive the sunshade net 33 in the middle of the supporting platform 2 to move to the top end of the greenhouse needing to be covered, then the pneumatic push rod 12 moves downwards again and drives the sunshade net 33 at the top end to contact and be attached to, at the moment, the greenhouse surface is gradually rotated and opened and covered on the greenhouse surface by applying an acting force on the sunshade net 33 to enable the net surface rolled on the rolling rings 31 at the two ends to rotate, so that the sunshade net 33 can be conveniently and quickly covered on the greenhouse, the complexity and damage of the sunshade net 33 during covering are reduced, and the sunshade net 33 can be quickly and effectively retracted and position-adjusted by adjusting the pneumatic push rod 12 and the base 1; when the shading rates of the two shading nets 33 need to be adjusted, the controller controls the motor 27 to drive the rotating shaft 28 to rotate and roll up the rolling rope 29, at this time, the rolling rope 29 can apply an acting force to the sliding plate 24 on one side under the rolling action of the rotating shaft 28, so that the sliding plate 24 drives the supporting plate 22 on one side and the supporting plate 22 at the bottom end to shift in position through the movement of the sliding block 25 in the sliding groove 26 under the action of the rolling rope 29, so that the shading nets 33 between the two groups of supporting plates 22 are driven to shift while the two groups of supporting plates 22 shift in a horizontal position, at this time, the shading area of the net surface is adjusted by adjusting the contact ratio of the net openings of the two shading nets 33, so that the shading rates in the greenhouse can be controlled in a more suitable breeding range of young seedlings, the survival rate of the young seedlings is improved, and the growth efficiency of the young seedlings is effectively improved, thereby enabling the swan velvet crape myrtle twig to be bred in large batch with high quality.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A high-density twig cutting seedling method for Lagerstroemia fauriei Keohne is characterized by comprising the following steps:
s1: selecting the treated river sand as a cutting medium, and paving the river sand on a seedbed to be 20-25cm thick; the river sand is fine river sand, the diameter is 0.2-0.3mm, and the 58% metalaxyl-manganese zinc wettable powder is used after being sterilized by 1000 times of solution;
s2: after a cutting medium is selected in S1, selecting strong semi-lignified branches without plant diseases and insect pests in the middle and late ten days of 6 months as cutting slips, carrying out cutting in a greenhouse after the semi-lignified branches are treated by a rooting agent, wherein the cutting density is 600 plus 700 plants/square meter, and the cutting depth is two thirds of the total length of the branches;
s3: after cutting shoot selection and cutting are carried out in S2, covering two sunshade nets (33) on the greenhouse by using a covering device, and controlling the sunshade rate of the sunshade nets (33) by adjusting the relative positions of the sunshade nets (33), so that the sunshade rate of the sunshade nets (33) in 6 months is kept between 70-80% and the sunshade rate of the sunshade nets (33) in 7 months is kept between 80-85%; the temperature is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net (33) and the water spraying, moisturizing and ventilation, and the pest control is carried out;
s4: after the sunshade net (33) is adjusted in S3, the temperature in the greenhouse is controlled to be 20-35 ℃ and the humidity is controlled to be 70-85% through the retraction and release of the sunshade net (33) and the water spraying, moisturizing and ventilation in the greenhouse, the pest control is carried out, the rooted seedlings are transplanted into the nutrition pot for hardening after 40 days, and the nutrition pot seedlings are transplanted into the field after 3 months;
wherein, the covering device used in S3 comprises a base (1), the base (1) is symmetrically arranged in a group of two, rollers (11) are arranged at the bottom end of the base (1), pneumatic push rods (12) are arranged at the top end of the base (1), two groups of supporting tables (2) are arranged at the top end of the pneumatic push rods (12), supporting rods (21) are connected to the side surfaces of the supporting tables (2), supporting plates (22) are connected to the other ends of the supporting rods (21), rotating rods (23) are rotatably connected between the two symmetrically arranged supporting plates (22) through torsion springs, two groups of annular winding tables (3) are respectively sleeved on the outer surfaces of the rotating rods (23), winding rings (31) capable of realizing free winding are connected to the outer surfaces of the winding tables (3), and one side of the winding rings (31) which is far away from each other is respectively provided with a group of fixing clamps (32) which, a sunshade net (33) is fixed on the fixing clamp (32); a sliding plate (24) is arranged between the two supporting tables (2) positioned at the top end and the supporting rod (21), a sliding block (25) is arranged on the side surface, close to the supporting table (2), of the sliding plate (24), a sliding groove (26) matched with the sliding block (25) is arranged on the side surface, corresponding to the sliding block (25), of the supporting table (2), a spring is connected between the side surface of the outer end of the sliding groove (26) and the sliding block (25), a motor (27) is installed on the side surface, opposite to the sliding plate (24), of the supporting table (2), the end portion of the motor (27) is connected with a rotating shaft (28), the other end of the rotating shaft (28) penetrates through the supporting table (2) and is positioned on one side of the sliding plate (24), and a winding rope (29) is; the base (1) is provided with a controller, and the controller is used for controlling the automatic operation of the covering device.
2. The high-density twig cutting seedling method of the crape myrtle velvet according to claim 1, which is characterized in that: roll up and receive platform (3) and bull stick (23) surface and slide and link to each other, just it has annular slip table (4) all to slide connection on bull stick (23) of platform (3) one side to roll up, slip table (4) internal thread is connected with can carry out fixed fastening bolt (41) to it.
3. The high-density twig cutting seedling method of the crape myrtle velvet as claimed in claim 2, characterized in that: the side surface of the inner ring of the rolling platform (3) is provided with a limiting block (34), the side surface of the rotating shaft (28) is provided with a limiting groove (35) matched with the limiting block (34) in a position corresponding to the limiting block, and the limiting block (34) is positioned in the limiting groove (35).
4. The high-density twig cutting seedling method of Lagerstroemia velveteen according to claim 3, characterized in that: the end part of the rolling-up platform (3) extends out of the outer end of the end part of the rolling-up ring (31), and the diameter of the rolling-up platform (3) is larger than that of the sliding table (4).
5. The high-density twig cutting seedling method of Lagerstroemia velveteen according to claim 4, characterized in that: the side surface of the sliding table (4) close to the rolling table (3) is annularly and uniformly distributed and connected with a group of compression bars (5), and the top end of each compression bar (5) is provided with an elastic layer (51) made of rubber materials.
6. The high-density twig cutting seedling method of the crape myrtle velvet according to claim 1, which is characterized in that: all be connected with elasticity rope (6) on base (1) side, just elasticity rope (6) other end all is equipped with couple (61).
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| CN111567242B (en) | 2022-03-18 |
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