CN110881350A

CN110881350A - Soft-support steel-frame-free pear tree multi-main-branch net rack tree form shaping device and method and application thereof

Info

Publication number: CN110881350A
Application number: CN201910984912.XA
Authority: CN
Inventors: 魏树伟; 王少敏; 王宏伟; 冉昆
Original assignee: Shandong Institute of Pomology
Current assignee: Shandong Institute of Pomology
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-03-17

Abstract

A tree-shaped shaping device, a method and application of a soft-support steel-frame-free pear tree multi-main-branch net rack comprise a peripheral line erecting device arranged on the periphery of an orchard, a line erecting device arranged to be connected with the peripheral line erecting device and arranged on a fruit tree line, and a branch pulling rod (92) arranged on the line erecting device and used for shaping fruit tree branches, wherein a fixed stay rope is formed on the orchard through the peripheral line erecting device and the line erecting device, the fruit tree branches needing to be shaped are connected with the line erecting device through the branch pulling rod (92), and a steel pipe support is not needed for shaping, so that the shaping efficiency of the fruit trees is improved.

Description

Soft-support steel-frame-free pear tree multi-main-branch net rack tree form shaping device and method and application thereof

Technical Field

The invention relates to a shaping device, a shaping method and application thereof, in particular to a soft-support multi-main-branch net rack shaping device, a soft-support multi-main-branch net rack shaping method and application thereof for a pear tree.

Background

The tree shape of the pear tree is high, the improvement of the fruit yield is limited, the tree is poor in ventilation and light transmission, time and labor are wasted in pesticide spraying, picking and other work, the Korean Y-shaped and Japanese horizontal net rack shaping pear garden has the technical effects of high yield, good fruit quality, simplicity and convenience in management, labor saving and high efficiency, but the problems of high steel frame cost, high shaping difficulty and the like exist, the popularization difficulty in China is high, the effect is not ideal, according to the situation of China, a steel-frame-free multi-main-branch net rack tree shape, a shaping device, a shaping method and application of the shaping device are provided, the cost is only half of that of a steel frame, the shaping is simple, fruit growers can operate easily, the fruit quality is obviously improved.

The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.

Disclosure of Invention

The object of the invention is a tree shaping device for a multi-main-branch net rack of a soft-support frameless pear tree,

the object of the invention is a method for shaping the multi-main-branch net rack tree form of a soft-support frameless pear tree,

the invention aims to provide a tree shaping device and method for a multi-main-branch net rack of a soft-support frameless pear tree.

In order to overcome the technical defects, the invention aims to provide a shaping device and a shaping method for a multi-main-branch net rack tree shape of a soft-support frameless pear tree, and application, a shaping method and application thereof, so that the Y-shaped shaping efficiency of the fruit tree is improved.

In order to achieve the purpose, the invention adopts the technical scheme that: a soft-support steel-frame-free pear tree multi-main-branch net rack tree shaping device comprises a peripheral line erecting device arranged on the periphery of an orchard, a line erecting device arranged to be connected with the peripheral line erecting device and arranged on a fruit tree line, and a branch pulling rod arranged on the line erecting device and used for shaping fruit tree branches.

Because the peripheral line erecting device, the line erecting device and the branch pulling rod are designed, the peripheral line erecting device and the line erecting device form a fixed inhaul cable on the orchard, the fruit tree branches needing to be shaped are connected with the line erecting device through the branch pulling rod, and a steel pipe support is not needed for shaping, so that the shaping efficiency of the fruit trees is improved.

The invention designs that the peripheral wire erecting device, the line erecting device and the branch pulling rod are connected with each other in a mode of forming a fixed pull rope on an orchard.

The invention designs that the peripheral line erecting device and the line erecting device are connected with the branch pulling rod in a mode of forming a suspended inhaul cable on an orchard.

The invention designs a peripheral erecting device which comprises a first corner column, a second corner column, a third corner column, a fourth corner column, a side column, a hanging rod, a pull anchor and a main pull cable.

The invention designs a line erecting device which comprises a line corner column, a middle column and a secondary pull line.

The invention designs that a first corner column, a second corner column, a third corner column and a fourth corner column are respectively arranged at the corners of an orchard, side columns are respectively arranged between the first corner column and an orchard foundation, between the second corner column and the orchard foundation, between the third corner column and the orchard foundation and between the fourth corner column and the orchard foundation, hanging rods are respectively arranged between the first corner column, the second corner column, the third corner column and the fourth corner column, a main inhaul cable is arranged between the hanging rods, row corner columns are respectively arranged at the corners of a fruit tree row, an intermediate column is arranged at the middle part of the fruit tree row, pull anchors are respectively arranged between the hanging rods and the orchard foundation and between the row corner columns and the orchard foundation, and auxiliary inhaul cables are respectively arranged on the main inhaul cable, the row corner columns and the intermediate column, and pull rods are arranged between branches of the fruit trees and auxiliary inhaul cables.

The invention designs a first corner column, a second corner column, a third corner column, a fourth corner column, a side column, a row corner column and a column are respectively provided with a cement concrete mortar strip-shaped body, the lower end of the first corner column, the lower end of the second corner column, the lower end of the third corner column, the lower end of the fourth corner column, the lower end of the side column, the lower end of the row corner column and the lower end of the column are respectively connected with an orchard foundation in an embedding way, the central line of the first corner column is connected with the orchard foundation, the central line of the second corner column is connected with the orchard foundation, the central line of the third corner column is connected with the orchard foundation, the central line of the fourth corner column is arranged to form an angle distribution of 45 degrees with the orchard foundation and the central line of the row corner column is connected with the first corner column, the second corner column, the third corner column and the fourth corner column, the upper end of the first corner column, the upper end of the second corner column, the upper end of the third corner column and the upper end of the fourth corner column are respectively connected with the hanging rod, the upper ends of the row corner columns are respectively connected with the pull anchor, the main pull cable and the auxiliary pull cable, the upper ends of the intermediate columns are connected with the auxiliary pull cable, the intermediate columns are distributed along the rows of fruit trees at intervals, and the row corner columns are distributed along the periphery of the orchard at intervals.

The invention designs that the hanging rod is a rod-shaped body with a circular ring at the outer end, the inner end of the hanging rod is respectively connected with the first round corner column, the second round corner column, the third round corner column and the fourth round corner column, the hanging rod is connected with the pull anchor, and the circular ring of the hanging rod is connected with the main inhaul cable.

The invention designs that the lower end of the anchor is connected with the orchard foundation in an implanted manner, and the upper end of the anchor is respectively connected with the hanging rod and the row corner post.

The invention designs that a main stay cable and a secondary stay cable are respectively set into steel stranded wires, the end of the main stay cable is set to be connected with a hanging rod, the main stay cable is set to be connected with a row corner column, the end of the secondary stay cable is set to be connected with the row corner column, and the secondary stay cable is respectively set to be connected with a stud and a branch pulling rod.

The invention designs that the branch pulling rod is a bamboo rod, the upper end head of the branch pulling rod is connected with the auxiliary stay cable, and the branch pulling rod is connected with the branches of the fruit trees in an attaching mode.

The invention designs a shaping method for a Y-shaped fruit tree, which comprises the following steps: in the first year of planting, the branch to be shaped is selected, the peripheral line erecting device and the line erecting device are installed in the orchard, in the second year of planting, the branch to be shaped is connected with the line erecting device through the branch pulling rod, the branch to be shaped is shaped, and the whole tree crown is formed on the line erecting device.

The invention designs that the method comprises the following steps:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk from 55-65cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, when the branches grow for 5-10cm, selecting four branch tips, namely front, back, left and right, opening the base angle of the new tip into 40-50 degrees by using bamboo sticks, enhancing the supply of fertilizer water, promoting the branches to grow rapidly, when the branch tips grow to 48-52cm, binding a branch pulling rod to each branch slightly along the growth angle, fixing, preventing the branches from being cut off by wind, pulling the rest branches into 90 degrees, weakening the growth potential, and using the branches as auxiliary culture branches,

at the later stage of the first year of planting, respectively embedding a first corner column, a second corner column, a third corner column and a fourth corner column into the peripheral corners of the orchard, respectively installing side columns between the first corner column and the orchard foundation, between the second corner column and the orchard foundation, between the third corner column and the orchard foundation and between the fourth corner column and the orchard foundation, respectively installing hanging rods at the upper end of the first corner column, the upper end of the second corner column, the upper end of the third corner column and the upper end of the fourth corner column, respectively installing pull anchors between the hanging rods and the orchard foundation, installing main pull cables between the hanging rods of the first corner column, the second corner column, the third corner column and the fourth corner column, erecting main corners at the periphery of the orchard, embedding row-going corner columns in the rows of fruit trees, embedding intermediate orchard columns in the rows of fruit trees, and installing pull anchors between the row-going corner columns and the orchard foundation, the upper end heads of the row corner columns are respectively connected with the main stay cable and the auxiliary stay cable, the upper end head of the intermediate column is connected with the auxiliary stay cable, the auxiliary stay cable is erected on the fruit tree row, the first corner column, the second corner column, the third corner column, the fourth corner column and the row corner column are installed at an angle of 45 degrees with the orchard foundation,

planting the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 1.5-2m, using a branch pulling rope to connect the branch pulling rods and bind to a pair of guy cables, removing all auxiliary nourishing branches on the trunk, keeping the branch tips positioned on the branch pulling rods to be in single-shaft extension, keeping the top end advantage, removing competitive branches, wiping back buds, bud carving lateral buds with proper direction positions, binding the branch tips positioned on the branch pulling rods to the pair of guy cables when the branch tips grow to 48-52cm, culturing a fruiting branch group, culturing 4-6 lateral branches on each branch tip positioned on the branch pulling rod, and culturing into a fruiting branch group,

and in the third year of planting, selecting and reserving a vertically growing branch from the branch tip of the branch pulling rod as a cultivated branch tip the same as that in the first year of planting, keeping the cultivated branch tip extending along a single axis, removing competitive branches, continuously carrying out bud carving on lateral branches which are not germinated or grow short of the bud carving in the second year of planting, and smearing a branching element to promote the growth of the lateral branches.

The invention designs a bud carving method which comprises the following steps: the saw blade is carved to the xylem to the depth of 1/3-2/3, the width of the saw blade is dry circumference, the carving of the bud is continuously carried out for two years, the time is limited to be 18-22 days before the bud is germinated, the bud carving part is coated with the twigs, lateral branches are promoted to be cultured into bearing branch groups in future, and the angle of the lateral branches is opened by a toothpick to be 30-40 degrees after the lateral buds are tender.

The invention designs that the branching element is set to contain cytokinin and 0.01% brassinolide.

The invention designs that the method comprises the following steps: after setting the value of annual seedlings, cutting off stems at a position 60cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, selecting 4 branch tips in front, back, left and right when branches grow for 5-10cm, opening base angles of new tips into angles of about 45 degrees by bamboo sticks, enhancing fertilizer water supply, promoting the branches to grow rapidly, and binding a bamboo pole along the growth angle of each branch when the branch tips grow to 50cm, so as to play a role in fixing and prevent the branches from being blown off by wind; the rest branches are drawn to form an angle of 90 degrees, so that the growth potential of the branches is weakened and the branches are used as auxiliary culture branches. And (3) in spring of the next year, when the front, back, left and right 4 branch tips cultured on the trunk grow to 1.5-2m, connecting the bamboo poles with branch pulling ropes and binding the branch pulling ropes to a net rack erected on the frame surface in advance. The auxiliary culture branches on the trunk are completely removed,

the erection time of the net frame is generally in winter after the young trees are planted for 1 year. Cement corner columns (20 cm multiplied by 330 cm) are respectively arranged at four corners of the pear garden, the cement corner columns are inclined to the outside of the pear garden by 45 degrees, side columns are arranged outside the corner columns, the distance between the cement corner columns and the side columns is 2m, two pull anchors (the distance is l m) are arranged on each corner column, the pull anchors (15 cm multiplied by 50 cm) are cast by using reinforced cement, the depth lm of the anchor is embedded into the soil, a reinforcing steel bar with the length of 1.2 m is configured on the anchor and a pull ring is reserved for being connected with the side columns, and the pull cable. A side column (12 cm multiplied by 285 cm) is respectively erected on the periphery of each plant and each row, the side column is inclined to the outside of the circle by 45 degrees, the periphery of the net rack is fixed by steel strands, a pull anchor (12 cm multiplied by 30 cm) is arranged below each column, the pull anchor is cast by reinforced concrete, the depth of the anchor embedded into the soil is 0.5m, a 60 cm-long reinforced bar is arranged on the anchor, a pull ring is reserved for connecting the steel strands on the surface of the rack, and the pull cables are the same as the above. The surface of the net rack is longitudinally and transversely pulled into a grid by galvanized wires (10# or 12#) according to the distance of 50cm multiplied by 50 cm. A column (10 cm x 200cm) is arranged at an interval of 10 m along the forward direction for supporting the surface of the intermediate net rack to keep the height of 1.8-2 m,

in the next year of planting, 4 major branches keep single-axis extension, the top end advantage is kept, competitive branches are removed, back buds are wiped off, lateral buds with proper direction and position are carved, the bud carving method is that saw blades are carved to the depth of xylem, and the width is 2/3 of the trunk circumference; bud carving needs to be carried out continuously for 2 years, and the time is limited to be finished 20 days before germination; coating a branching element to promote lateral branching so as to be cultured into a resultant branch group in the future, wherein the branching element is set to be 0.01% of cytokinin and brassinolide; and after the lateral buds grow tender tips, the opening angle of the toothpick is 30-40 degrees, when the branch tips grow to 50cm, the branch pulling ropes are used for binding iron wires on the net surface of the net rack, and the resultant branch groups are cultured. According to the method, 4-6 lateral branches are cultured in each main branch, and are further cultured into a fruiting branch group,

in the third year, selecting and reserving a vertically growing branch from the main branch as the main branch for prolonging, keeping the single-axis extension of the main branch, and removing competitive branches; and (4) continuously carving buds of lateral branches which are not germinated or grow short in length in the last year, and smearing the branching elements to promote the growth of the lateral branches.

The invention designs a soft-support steel-frame-free multi-main-branch net rack tree shape shaping device and method which are applied to a pear tree garden for shaping a Y-shaped pear tree or a horizontal net rack.

The invention has the technical effects that: the Y-shaped tree form binding method without the steel pipe support is adopted, so that the investment cost of the Y-shaped shaping pear garden is reduced, the steel pipe support is replaced by the cement column, the cost is obviously reduced, the Y-shaped tree form cost is reduced by binding with the branch pulling rope, the newly born branches are fixed by the bamboo poles and are guided to the surface of the frame, the newly born branches are prevented from being broken slightly, the Y-shaped tree form shaping efficiency is improved, the erection method of the Y-shaped net frame without the steel pipe support is adopted, and the Y-shaped tree form shaping trimming method without the steel pipe support is adopted.

In the technical scheme, peripheral line erecting devices, line erecting devices and branch pulling rods for forming fixed pull cables on an orchard are important technical characteristics, and the device and the method for shaping the multi-main-branch net rack tree form of the soft-support frameless pear tree and the application, the method and the application thereof have novelty, creativity and practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a tree shaping device of a multi-main-branch net rack of a soft-support frameless pear tree of the invention,

FIG. 2 is a schematic diagram showing the effect of the multi-main-branch net rack shaping device for a soft-support frameless pear tree of the present invention,

a first round corner column-1, a second round corner column-2, a third round corner column-3, a fourth round corner column-4, a side column-5, a hanging rod-6, a pull anchor-7, a main pull rope-8, a row corner column-9, an intermediate column-91, a branch pull rod-92 and a secondary pull rope-93.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, technical features involved in various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other, and unless otherwise specified, devices and materials used in the following examples are commercially available, and if processing conditions are not explicitly specified, please refer to a purchased product specification or follow a conventional method in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A soft-support multi-main-branch net rack shaping device for a frameless pear tree is disclosed, wherein FIG. 1 is a first embodiment of the invention, which is specifically described by combining the accompanying drawings, and comprises a first corner column 1, a second corner column 2, a third corner column 3, a fourth corner column 4, a side column 5, a hanging rod 6, a pull anchor 7, a main pull rope 8, a row corner column 9, a middle column 91, a pull rod 92 and a secondary pull rope 93, wherein the corners of an orchard are respectively provided with the first corner column 1, the second corner column 2, the third corner column 3 and the fourth corner column 4, the side columns 5 are respectively arranged between the first corner column 1 and an orchard foundation, the second corner column 2 and the orchard foundation, the third corner column 3 and the orchard foundation and the fourth corner column 4 and the orchard foundation, and the hanging rods 6 are respectively arranged between the first corner column 1, the second corner column 2, the third corner column 3 and the fourth corner column 4, the main guy cable 8 is arranged between the hanging rods 6, the row corner posts 9 are respectively arranged at the corners of the fruit tree rows, the intermediate post 91 is arranged at the middle part of the fruit tree row, the pull anchors 7 are respectively arranged between the hanging rods 6 and the orchard foundation and between the row corner posts 9 and the orchard foundation, the auxiliary guy cables 93 are respectively arranged on the main guy cable 8, the row corner posts 9 and the intermediate post 91, and the branch pull rods 92 are respectively arranged between the branches of the fruit trees and the auxiliary guy cables 93.

In this embodiment, the first corner column 1, the second corner column 2, the third corner column 3, the fourth corner column 4, the side column 5, the row corner column 9 and the inter-column 91 are respectively provided with a strip of cement concrete mortar, and the lower end of the first corner column 1, the lower end of the second corner column 2, the lower end of the third corner column 3, the lower end of the fourth corner column 4, the lower end of the side column 5, the lower end of the row corner column 9 and the lower end of the inter-column 91 are respectively set to be connected with the orchard foundation in an embedding manner, the center line of the first corner column 1 and the orchard foundation, the center line of the second corner column 2 and the orchard foundation, the center line of the third corner column 3 and the orchard foundation, the center line of the fourth corner column 4 and the orchard foundation and the center line of the row corner column 9 and the orchard foundation are respectively set to be distributed at an angle of 45 degrees, and the upper end of the side column 5 and the first corner column 1, the side column 5 and the inter-column 9 are respectively set to be connected, The upper end of the first corner column 1, the upper end of the second corner column 2, the upper end of the third corner column 3 and the upper end of the fourth corner column 4 are respectively connected with the hanging rod 6, the upper ends of the row corner columns 9 are respectively connected with the pull anchor 7, the main pull cable 8 and the auxiliary pull cable 93, the upper ends of the intermediate columns 91 are connected with the auxiliary pull cables 93, the intermediate columns 91 are distributed along the rows of fruit trees at intervals, and the row corner columns 9 are distributed along the periphery of the orchard at intervals.

Through first round corner post 1, second round corner post 2, third round corner post 3, fourth round corner post 4, side column 5, line corner post 9 and intercolumn 91, formed to peg 6, draw anchor 7 and pay the support tie point of cable 93, by first round corner post 1, second round corner post 2, third round corner post 3 and fourth round corner post 4, realized being connected with peg 6, by line corner post 9, realized being connected with draw anchor 7, by intercolumn 91, realized with paying being connected of cable 93, by side column 5, realized the support to first round corner post 1, second round corner post 2, third round corner post 3 and fourth round corner post 4, its technical aim lies in: for serving as a support carrier for the main cable 8 and the sub-cable 93.

In the present embodiment, the hanging bar 6 is provided as a rod-shaped body having a circular ring at an outer end and the inner ends of the hanging bar 6 are respectively provided to be coupled with the first corner post 1, the second corner post 2, the third corner post 3 and the fourth corner post 4, the hanging bar 6 is provided to be coupled with the tie anchor 7 and the circular ring of the hanging bar 6 is provided to be coupled with the main cable 8.

Through peg 6, formed to first garden angle post 1, second garden angle post 2, third garden angle post 3, fourth garden angle post 4, draw anchor 7 and main cable 8's support tie point, by peg 6, realized being connected with main cable 8, realized with drawing anchor 7 being connected, realized being connected with first garden angle post 1, realized being connected with second garden angle post 2, realized being connected with third garden angle post 3, realized being connected with fourth garden angle post 4, its technical aim at: for serving as a support carrier for the main cable 8.

In the present embodiment, the lower end of the pull anchor 7 is configured to be coupled with the orchard foundation in an implantation manner and the upper end of the pull anchor 7 is configured to be coupled with the hanging rod 6 and the row of corner posts 9, respectively.

Through anchor 7, formed the support tie point to peg 6 and line corner post 9, by anchor 7, realized being connected with peg 6, realized being connected with line corner post 9, its technical aim at: for tightening and fixing the hanging rod 6 and the row corner post 9.

In the present embodiment, the main cable 8 and the secondary cable 93 are respectively provided as steel strands and the end of the main cable 8 is provided to be coupled to the suspension bar 6, the main cable 8 is provided to be coupled to the corner post 9, the end of the secondary cable 93 is provided to be coupled to the corner post 9, and the secondary cable 93 is provided to be coupled to the intermediate post 91 and the branch pulling bar 92, respectively.

Through main cable 8 and pay cable 93, formed the support tie point to peg 6 and line angle post 9, by main cable 8, realized being connected with peg 6, realized being connected with line angle post 9, its technical aim at: the supporting and connecting point of the stud 91 and the branch pulling rod 92 is formed by paying the inhaul cable 93 for fixing the corner post 9, the connection with the stud 91 is realized by paying the inhaul cable 93, the connection with the branch pulling rod 92 is realized, and the technical aim is as follows: for securing the tie rod 92.

In the present embodiment, the branch pulling rod 92 is provided as a bamboo pole and the upper end of the branch pulling rod 92 is provided to be coupled with the auxiliary pulling rope 93, and the branch pulling rod 92 is provided to be coupled with a branch attachment type of a fruit tree.

Through the branch pulling rod 92, a supporting connection point for a pair of inhaul cables 93 is formed, and the branch pulling rod 92 realizes connection with the pair of inhaul cables 93, and the technical purpose is as follows: is used for carrying out Y-shaped setting on the branches of the fruit trees.

In a second embodiment of the invention, the perimeter stringing devices, the row stringing devices and the branch pulling rods 92 are interconnected in such a way as to form a fixed pulling cable on the orchard.

The present invention contemplates that the perimeter stringing devices and the row stringing devices are coupled to the branch rods 92 in a manner that forms a suspended guy cable in the orchard.

In this embodiment, the peripheral stringing device includes a first corner column 1, a second corner column 2, a third corner column 3, a fourth corner column 4, a side column 5, a hanging rod 6, a pull anchor 7 and a main pulling cable 8.

In this embodiment, the row erecting line device is provided to include the row corner posts 9, the intermediate post 91, and the auxiliary cable 93.

A second embodiment of the invention is based on the first embodiment,

the invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.

A method for shaping a multi-main-branch net rack tree shape of a soft-support frameless pear tree is disclosed, which comprises the following steps in a first embodiment of the invention:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk from 55-65cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, when the branches grow for 5-10cm, selecting four branches, namely front, back, left and right branches, opening the base angle of the new branch into 40-50 degrees by using a bamboo stick, enhancing the supply of fertilizer water, promoting the branches to grow rapidly, when the branches grow to 48-52cm, binding a branch pulling rod 92 on each branch along the growth angle, playing a role of fixing, preventing the branches from being cut off by wind slightly, pulling the rest branches into 90 degrees, weakening the growth potential, and serving as auxiliary culture branches,

at the later stage of the first year of planting, embedding a first corner column 1, a second corner column 2, a third corner column 3 and a fourth corner column 4 into the surrounding corners of an orchard respectively, installing side columns 5 between the first corner column 1 and an orchard foundation, between the second corner column 2 and the orchard foundation, between the third corner column 3 and the orchard foundation and between the fourth corner column 4 and the orchard foundation respectively, installing hanging rods 6 between the upper end of the first corner column 1, the upper end of the second corner column 2, the upper end of the third corner column 3 and the upper end of the fourth corner column 4 respectively, installing pull anchors 7 between the hanging rods 6 and the orchard foundation, installing a main pull anchor 8 between the hanging rod 6 of the first corner column 1, the hanging rod 6 of the second corner column 2, the hanging rod 6 of the third corner column 3 and the hanging rod 6 of the fourth corner column 4, installing a main pull rope 8 into the surrounding corners of the orchard, and embedding a fruit tree into the surrounding rows of the fruit trees 9, embedding a stud 91 in the middle of a fruit tree row, installing a pull anchor 7 between a row corner post 9 and an orchard foundation, respectively connecting the upper end of the row corner post 9 with a main pull rope 8 and a sub pull rope 93, connecting the upper end of the stud 91 with the sub pull rope 93, erecting the sub pull rope 93 on the fruit tree row, installing a first corner post 1, a second corner post 2, a third corner post 3, a fourth corner post 4 and the row corner post 9 at an angle of 45 degrees with the orchard foundation,

planting the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 1.5-2m, using a branch pulling rope to connect the branch pulling rod 92 and bind to a secondary pull rope 93 together, removing all auxiliary culture branches on the trunk, keeping the branch tips positioned on the branch pulling rod 92 in uniaxial extension, keeping the top end advantage, removing competitive branches, removing back buds, bud carving lateral buds with proper direction positions, using the branch pulling rope to bind to the secondary pull rope 93 when the branch tips positioned on the branch pulling rod 92 grow to 48-52cm, culturing a fruiting branch group, culturing 4-6 lateral branches on each branch tip positioned on the branch pulling rod 92, culturing into a fruiting branch group,

and in the third year of planting, selecting a vertically growing branch from the branch tip of the branch pulling rod 92 as a cultivated branch tip the same as that in the first year of planting, keeping the cultivated branch tip extending along a single axis, removing competitive branches, continuously carrying out bud carving on lateral branches which are not germinated or grow short of the bud carving in the second year of planting, and smearing a branching element to promote the growth of the lateral branches.

In this embodiment, the bud carving method: the saw blade is carved to the xylem to the depth of 1/3-2/3, the width of the saw blade is dry circumference, the carving of the bud is continuously carried out for two years, the time is limited to be 18-22 days before the bud is germinated, the bud carving part is coated with the twigs, lateral branches are promoted to be cultured into bearing branch groups in future, and the angle of the lateral branches is opened by a toothpick to be 30-40 degrees after the lateral buds are tender.

In this example, the brassinolide is set to contain cytokinin and 0.01% brassinolide.

The second embodiment of the present invention comprises the following steps:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk at a position 55cm away from the ground, selecting 4 buds with proper orientation and angle for reservation, when the branches grow 5cm long, selecting four branch tips, namely front, back, left and right branch tips, opening the base angle of the new tip into 40 degrees by using a bamboo stick, enhancing the supply of fertilizer and water, promoting the branches to grow rapidly, when the branch tips grow to 48cm long, binding a branch pulling rod 92 on each branch along the growth angle slightly, playing a role of fixing, preventing the branches from being blown off by wind, pulling the rest branches into 90 degrees, weakening the growth potential of the branches, and taking the branches as auxiliary culture branches,

planting the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 1.5m, connecting the branch rods 92 with branch pulling ropes to be bound on the auxiliary stay cables 93, removing all auxiliary nourishing branches on the trunk, keeping the branch tips positioned on the branch pulling rods 92 to keep single-shaft extension, keeping top end superiority, removing competitive branches, removing back upper buds, bud carving lateral buds with proper direction positions, when the branch tips positioned on the branch pulling rods 92 grow to 48cm, binding the branch tips positioned on the branch pulling rods 93 with the branch pulling ropes, culturing fruiting branch groups, culturing 4-6 lateral branches on each branch tip positioned on the branch pulling rods 92, culturing into fruiting branch groups,

In this embodiment, the bud carving method: the saw blade is carved to the depth of xylem and has a width of 1/3 trunk circles, the bud carving needs to be carried out continuously for two years, the time is limited to be completed 18 days before the bud is germinated, twitch is coated on the bud carving part, lateral branches are promoted to be cultured into bearing branch groups in the future, and the angle of the lateral branches is opened by 30 degrees by using a toothpick after the lateral buds are tender.

In a third embodiment of the present invention, the steps are:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk at a position 65cm away from the ground, selecting 6 buds with proper orientation and angle for reservation, selecting four branch tips of front, back, left and right sides when the branches grow 10cm long, opening the base angle of the new tip into 50 degrees by using a bamboo stick, enhancing the supply of fertilizer and water, promoting the branches to grow rapidly, binding a branch pulling rod 92 to each branch along the growth angle slightly when the branch tips grow 52cm long, playing a role in fixing, preventing the branches from being blown off by wind, pulling the rest branches into 90 degrees, weakening the growth potential of the branches, and taking the branches as auxiliary culture branches,

planting the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 2m, connecting the branch tips with the branch pulling rod 92 by using a branch pulling rope to be bound on the auxiliary pulling rope 93, removing all auxiliary nourishing branches on the trunk, keeping the branch tips positioned on the branch pulling rod 92 to be in single-shaft extension, keeping the top end advantage, removing competitive branches, wiping back buds, bud carving lateral buds with proper direction and position, when the branch tips positioned on the branch pulling rod 92 grow to 52cm, binding the branch tips positioned on the auxiliary pulling rope 93 by using the branch pulling rope, culturing a fruiting branch group, culturing 6 lateral branches on each branch tip positioned on the branch pulling rod 92, culturing into a fruiting branch group,

In this embodiment, the bud carving method: the saw blade is carved to the depth of xylem and has a width of 2/3 trunk, the bud carving needs to be carried out continuously for two years, the time is limited to be 18-22 days before the bud is germinated, the bud carving part is coated with twigs, lateral branches are promoted to be cultured into bearing branch groups in future, and the angle of the lateral branches is opened by a toothpick by 40 degrees after the lateral buds are tender.

The fourth embodiment of the present invention comprises the following steps:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk at a position 50cm away from the ground, selecting 5 buds with proper orientation and angle for reservation, when the branches grow 7cm long, selecting four branch tips, namely front, back, left and right branch tips, opening the base angle of the new tip into 45 degrees by using a bamboo stick, enhancing the supply of fertilizer and water, promoting the branches to grow rapidly, when the branch tips grow to 50cm long, binding a branch pulling rod 92 on each branch along the growth angle slightly, playing a role of fixing, preventing the branches from being blown off by wind, pulling the rest branches into 90 degrees, weakening the growth potential of the branches, and taking the branches as auxiliary culture branches,

planting the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 1.7m, connecting the branch rods 92 with branch pulling ropes to be bound on the auxiliary stay cables 93, removing all auxiliary nourishing branches on the trunk, keeping the branch tips positioned on the branch pulling rods 92 to keep single-shaft extension, keeping top end superiority, removing competitive branches, removing back upper buds, bud carving lateral buds with proper direction positions, when the branch tips positioned on the branch pulling rods 92 grow to 50cm, binding the branch tips positioned on the branch pulling rods 93 with the branch pulling ropes, culturing fruiting branch groups, culturing 5 lateral branches at each branch tip positioned on the branch pulling rods 92, culturing the fruiting branch groups,

In this embodiment, the bud carving method: the saw blade cuts deep into xylem, the width is 1.5/3 of the trunk circumference, the bud cutting needs to be carried out continuously for two years, the time is limited to be 20 days before the bud cutting, the twitch is coated on the bud cutting part, lateral branches are promoted to be cultured into bearing branch groups in future, and the angle of the lateral branches is 35 degrees after the lateral buds are tender tips are extracted.

The fifth embodiment of the present invention comprises the following steps:

after setting the value of annual seedlings, cutting off stems at a position 60cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, selecting 4 branch tips in front, back, left and right when branches grow for 5-10cm, opening base angles of new tips into angles of about 45 degrees by bamboo sticks, enhancing fertilizer water supply, promoting the branches to grow rapidly, and binding a bamboo pole along the growth angle of each branch when the branch tips grow to 50cm, so as to play a role in fixing and prevent the branches from being blown off by wind; the rest branches are drawn to form an angle of 90 degrees, so that the growth potential of the branches is weakened and the branches are used as auxiliary culture branches. And (3) in spring of the next year, when the front, back, left and right 4 branch tips cultured on the trunk grow to 1.5-2m, connecting the bamboo poles with branch pulling ropes and binding the branch pulling ropes to a net rack erected on the frame surface in advance. The auxiliary culture branches on the trunk are completely removed,

The first embodiment of the invention is suitable for shaping Y-shaped pear trees.

The second embodiment of the invention is suitable for shaping the pear trees shaped by the horizontal net rack on the auxiliary guy cable 93.

A soft-support steel-frame-free multi-main-branch net rack tree shaping device and method are applied to a pear tree garden for shaping a Y-shaped pear tree or a horizontal net rack.

When the invention is verified, no supporting barrier is arranged in the orchard, so that mechanization and burette are facilitated under fruit trees, illumination is facilitated, meanwhile, a suspended guy cable is arranged above the orchard, suspension and sprinkling irrigation of smell release liquid are facilitated, and for the technical field, a technical problem is that a crown is formed.

The invention has the following characteristics:

1. because the peripheral line erecting device, the line erecting device and the branch pulling rod 92 are designed, the peripheral line erecting device and the line erecting device form a fixed inhaul cable on the orchard, the branch of the fruit tree to be shaped is connected with the line erecting device through the branch pulling rod 92, and a steel pipe support is not needed for shaping, so that the shaping efficiency of the fruit tree is improved.

2. Due to the design of the first corner column 1, the second corner column 2, the third corner column 3, the fourth corner column 4, the side column 5, the hanging rod 6, the pull anchor 7 and the main inhaul cable 8, the fixing of the diagonal corner column 9 and the auxiliary inhaul cable 93 is realized.

3. Due to the design of the corner posts 9, the studs 91 and the pair of guys 93, the fixation of the branch pulling rods 92 is realized.

4. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.

5. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.

Other technical features associated with the perimeter stringing device, the row stringing device and the branch pulling rod 92 for forming a fixed pulling rope on the orchard are all one of the embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments will not be described.

The above embodiments are only the shaping device and method for the multi-main-branch net rack tree shape of the soft-support frameless pear tree, and the application, method and implementation form of the application, and all of them belong to the protection scope of the present invention, according to other modifications of the scheme provided by the present invention, the components or steps in the shaping device are increased or decreased, or the present invention is used in other technical fields close to the present invention.

Claims

1. The utility model provides a tree-shaped shaping device of many boughs of no steelframe pear tree of soft support, characterized by: comprises a peripheral stringing device arranged on the periphery of the orchard, a line stringing device which is connected with the peripheral stringing device and is arranged on a fruit tree line, and a branch pulling rod (92) which is arranged on the line stringing device and is used for shaping the branches of the fruit tree.

2. The multi-main-branch net rack tree shaping device for the soft-support frameless pear tree of claim 1, which is characterized in that: the perimeter stringing device, the row stringing device and the branch pulling rod (92) are connected with each other in a mode of forming a fixed pull rope on the orchard.

3. The multi-main-branch net rack tree shaping device for the soft-support frameless pear tree of claim 2, which is characterized in that: the peripheral stringing device and the row stringing device are connected with the branch pulling rod (92) according to the mode of forming a suspension cable on the orchard.

4. The multi-main-branch net rack tree shaping device for the soft-support frameless pear tree of claim 1, which is characterized in that: the peripheral stringing device comprises a first round corner column (1), a second round corner column (2), a third round corner column (3), a fourth round corner column (4), a side column (5), a hanging rod (6), a pull anchor (7) and a main pull cable (8),

or the line erecting device is arranged to comprise a line corner column (9), a stud (91) and a secondary pull line (93).

5. The multi-main-branch net rack tree shaping device for the soft-support frameless pear tree of claim 4, which is characterized in that: the corners of the orchard are respectively provided with a first corner post (1), a second corner post (2), a third corner post (3) and a fourth corner post (4), side posts (5) are respectively arranged between the first corner post (1) and the orchard foundation, between the second corner post (2) and the orchard foundation, between the third corner post (3) and the orchard foundation and between the fourth corner post (4) and the orchard foundation, hanging rods (6) are respectively arranged between the first corner post (1), the second corner post (2), the third corner post (3) and the fourth corner post (4), main inhaul cables (8) are arranged between the hanging rods (6), row corner posts (9) are respectively arranged at the corners of fruit rows, intermediate posts (91) are arranged at the middle parts of the fruit rows, and pull anchors (7) are respectively arranged between the hanging rods (6) and the foundation, between the row corner posts (9) and the orchard foundation, the auxiliary guy cables (93) are respectively arranged on the main guy cable (8), the row corner column (9) and the stud (91), and a branch pulling rod (92) is arranged between the branch of the fruit tree and the auxiliary guy cable (93).

6. The multi-main-branch net rack tree shaping device for the soft-support frameless pear tree of claim 5, which is characterized in that: first garden corner post (1), second garden corner post (2), third garden corner post (3), fourth garden corner post (4), side post (5), rowed corner post (9) and column (91) are respectively provided with a cement concrete mortar strip-shaped body and the lower end of first garden corner post (1), the lower end of second garden corner post (2), the lower end of third garden corner post (3), the lower end of fourth garden corner post (4), the lower end of side post (5), the lower end of rowed corner post (9) and the lower end of column (91) are respectively arranged to be connected with orchard foundation in an implantation manner, the central line of first garden corner post (1) and orchard foundation, the central line of second garden corner post (2) and orchard foundation, the central line of third garden corner post (3) and orchard foundation, the central line of fourth garden corner post (4) and orchard foundation and the central line of rowed corner post (9) and orchard foundation are respectively arranged to be 45-degree distribution and the upper ends of rowed corner post (5) and first garden corner post (5) are respectively arranged to be connected with orchard foundation in an implantation manner (1) The upper end of the first corner column (1), the upper end of the second corner column (2), the upper end of the third corner column (3) and the upper end of the fourth corner column (4) are respectively connected with a hanging rod (6), the upper ends of the row corner columns (9) are respectively connected with a pull anchor (7), a main cable (8) and a pair cable (93), the upper ends of the intermediate columns (91) are connected with the pair cables (93), the intermediate columns (91) are arranged to be distributed along the rows of fruit trees at intervals, the row corner columns (9) are arranged to be distributed along the periphery of the orchard at intervals,

or the hanging rod (6) is a rod-shaped body with a circular ring at the outer end, the inner end of the hanging rod (6) is respectively connected with the first round corner column (1), the second round corner column (2), the third round corner column (3) and the fourth round corner column (4), the hanging rod (6) is connected with the pull anchor (7) and the circular ring of the hanging rod (6) is connected with the main inhaul cable (8),

or the lower end of the anchor (7) is connected with the orchard foundation in an implanted way, the upper end of the anchor (7) is respectively connected with the hanging rod (6) and the row corner post (9),

or the main cable (8) and the auxiliary cable (93) are respectively set as steel strands, the end of the main cable (8) is set to be connected with the hanging rod (6), the main cable (8) is set to be connected with the row corner post (9), the end of the auxiliary cable (93) is set to be connected with the row corner post (9), and the auxiliary cable (93) is set to be connected with the inter-post (91) and the branch pulling rod (92),

or the branch pulling rod (92) is set to be a bamboo pole, the upper end head of the branch pulling rod (92) is set to be connected with the auxiliary pulling rope (93), and the branch pulling rod (92) is set to be connected with the branches of the fruit tree in an attaching mode.

7. A method for shaping a multi-main-branch net rack tree shape of a soft-support frameless pear tree is characterized by comprising the following steps: the method comprises the following steps: in the first year of planting, the branch to be shaped is selected, the peripheral line erecting device and the line erecting device are installed in the orchard, in the second year of planting, the branch to be shaped is connected with the line erecting device through the branch pulling rod (92), the branch to be shaped is shaped, and the integral tree crown is formed on the line erecting device.

8. The method for shaping the multi-main-branch net rack tree shape of the soft-support frameless pear tree according to claim 7, which is characterized in that: the method comprises the following steps:

in the first year of planting, after the fruit tree seedlings are fixed, cutting off the trunk from 55-65cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, when the branches grow for 5-10cm, selecting four branch tips, namely front, back, left and right, opening the base angle of the new tip into 40-50 degrees by using bamboo sticks, enhancing the supply of fertilizer water, promoting the branches to grow rapidly, when the branch tips grow to 48-52cm, binding a branch pulling rod (92) to each branch along the growth angle slightly, playing a role of fixing, preventing the branches from being cut off by wind, pulling the rest branches into 90 degrees, weakening the growth potential, serving as auxiliary cultivation branches,

in the later stage of the first year of planting, embedding a first corner column (1), a second corner column (2), a third corner column (3) and a fourth corner column (4) into the corners of the periphery of an orchard respectively, installing side columns (5) between the first corner column (1) and an orchard foundation, between the second corner column (2) and the orchard foundation, between the third corner column (3) and the orchard foundation and between the fourth corner column (4) and the orchard foundation respectively, installing hanging rods (6) on the upper end of the first corner column (1), the upper end of the second corner column (2), the upper end of the third corner column (3) and the upper end of the fourth corner column (4), installing pull anchors (7) between the hanging rods (6) and the orchard foundation, installing hanging rods (6) of the first corner column (1), hanging rods (6) of the second corner column (2), hanging rods (6) of the third corner column (3) and main hanging rods (8) of the fourth corner column (4), erecting a main stay cable (8) at the periphery of an orchard, embedding a row corner post (9) at the corner of a fruit tree row, embedding an intermediate post (91) in the middle of the fruit tree row, installing a pull anchor (7) between the row corner post (9) and the orchard foundation, respectively connecting the upper end of the row corner post (9) with the main stay cable (8) and an auxiliary stay cable (93), connecting the upper end of the intermediate post (91) with the auxiliary stay cable (93), erecting the auxiliary stay cable (93) on the fruit tree row, installing a first corner post (1), a second corner post (2), a third corner post (3), a fourth corner post (4) and the row corner post (9) at an angle of 45 degrees with the orchard foundation,

planting in the second year, in the early stage of the second year, when the front, back, left and right four branch tips cultured on the trunk grow to 1.5-2m, connecting the branch rods (92) with branch pulling ropes to be bound on the auxiliary stay cables (93), removing all auxiliary culture branches on the trunk, keeping the branch tips positioned on the branch rods (92) extending along a single axis, keeping the top end advantage, removing competitive branches, removing buds on the back, bud carving lateral buds with proper direction positions, when the branch tips positioned on the branch rods (92) grow to 48-52cm, binding the branch tips positioned on the auxiliary stay cables (93) with the branch pulling ropes, culturing fruiting branch groups, culturing 4-6 lateral branches on each branch tip positioned on the branch rods (92), and culturing into fruiting branch groups,

and in the third year of planting, selecting a vertically growing branch from the branch tip of the branch pulling rod (92) as a cultured branch tip the same as that in the first year of planting, keeping the cultured branch tip extending along a single axis, removing competitive branches, continuously carrying out bud carving on lateral branches which are not germinated or grow short of the bud carving in the second year of planting, and smearing a branching element to promote the growth of the lateral branches.

9. The method for shaping the multi-main-branch net rack tree shape of the soft-support frameless pear tree according to claim 7, which is characterized in that: the bud carving method comprises the following steps: the saw blade is carved to the xylem with the width of 1/3-2/3, the carving of the bud is continuously carried out for two years, the time is limited to be 18-22 days before the bud is germinated, the bud carving part is coated with the twigs, lateral branches are promoted to be cultured into bearing branch groups in future, the angle is opened by 30-40 degrees after the lateral buds are used for generating young shoots,

or, the branching element is set to contain cytokinin and 0.01% brassinolide,

or, the steps are: after setting the value of annual seedlings, cutting off stems at a position 60cm away from the ground, selecting 4-6 buds with proper orientation and angle for reservation, selecting 4 branch tips in front, back, left and right when branches grow for 5-10cm, opening base angles of new tips into angles of about 45 degrees by bamboo sticks, enhancing fertilizer water supply, promoting the branches to grow rapidly, and binding a bamboo pole along the growth angle of each branch when the branch tips grow to 50cm, so as to play a role in fixing and prevent the branches from being blown off by wind; pulling the rest branches to 90 degrees to weaken the growth vigor of the branches, planting the branches as auxiliary cultivation branches in the spring of the next year, connecting bamboo poles with branch pulling ropes to bind to a pre-erected net frame on the frame surface when the tips of the front, rear, left and right 4 branches cultured on the main stem grow to 1.5-2 meters, completely removing the auxiliary cultivation branches on the main stem,

the erection time of the net rack is generally in winter after 1 year of planting of saplings, a cement corner column (20 cm multiplied by 330 cm) is respectively arranged at four corners of a pear garden, the cement corner column is inclined to the outside of the pear garden by 45 degrees, a side column is arranged outside the corner column and has a distance of 2m, two pull anchors (the distance is l m) are arranged at each corner column, the pull anchors (15 cm multiplied by 50 cm) are cast by reinforced cement, the pull anchors are embedded into the soil by a depth lm, a reinforcing steel bar with the length of 1.2 m is arranged on the pull anchors and are reserved for connecting with the side columns, the pull cables are steel stranded wires, a side column (12 cm multiplied by 285 cm) is respectively arranged at the periphery of each plant and the row direction, the side column is inclined to the outside of the pear garden by 45 degrees, the steel stranded wires are used for fixing the periphery of the side column, a pull anchor (12 cm multiplied by 12cm multiplied by 30 cm) is arranged below each column, the, the steel strand wires are used for connecting the frame surface, the guy wires are the same as the steel strand wires, the frame surface of the net frame is longitudinally and transversely pulled into grids by galvanized wires (10# or 12#) according to the distance of 50cm multiplied by 50cm, a stud (the specification is 10cm multiplied by 200cm) is arranged at the interval of 10 meters in the forward direction for supporting the frame surface of the middle net frame to keep the height of 1.8-2 m,

in the next year of planting, 4 major branches keep single-axis extension, the top end advantage is kept, competitive branches are removed, back buds are wiped off, lateral buds with proper direction and position are carved, the bud carving method is that saw blades are carved to the depth of xylem, and the width is 2/3 of the trunk circumference; bud carving needs to be carried out continuously for 2 years, and the time is limited to be finished 20 days before germination; coating a branching element to promote lateral branching so as to be cultured into a resultant branch group in the future, wherein the branching element is set to be 0.01% of cytokinin and brassinolide; after the lateral buds grow tender tips, the opening angles of toothpicks are 30-40 degrees, when the branch tips grow to 50cm, branch pulling ropes are used for binding to iron wires on the net surface of a net rack, fruiting branch groups are cultured, 4-6 lateral branches are cultured for each main branch according to the method, the fruiting branch groups are further cultured, in the third year, a vertically grown branch is selected from the main branches and used as the main branch to be lengthened, the single-axis extension of the main branch is kept, and competitive branches are removed; and (4) continuously carving buds of lateral branches which are not germinated or grow short in length in the last year, and smearing the branching elements to promote the growth of the lateral branches.

10. A soft-support steel-frame-free multi-main-branch net rack tree shaping device and method are applied to a pear tree garden for shaping a Y-shaped pear tree or a horizontal net rack.