JPH08228595A - Graft of nursery stock - Google Patents

Abstract

PURPOSE: To efficiently graft seedlings and to miniaturize an apparatus and lower the costs for grafting by treating the cotyledons of scion seedlings being conveyed by a conveyer line under specified conditions. CONSTITUTION: While the cotyledon H" of a scion seedling on a conveyer line 2 for conveying scion seedlings are picked off by cutting the stem of the scion seedling, a root stock seedling is held up together with the root from a conveyer line 3 for conveying the root stock seedling and the cotyledon D" is removed by cutting. Then, the cut face of the stem of the cotyledon H" of scion seedling is jointed and fixed to that of the stem of the root stock seedling bearing the root to prepare a grafted seedling bearing the root S and the grafted seedling is conveyed on the conveyer line 3 for conveying root stock seedlings.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for grafting seedlings in which the stems of rootstock seedlings and the stems of scion seedlings are fixed by joining the cut surfaces of the two. is there.

[0002]

2. Description of the Related Art Conventionally, a grafting method in which a stem of a rootstock seedling and a stem of a scion seedling are joined together by cutting their cut surfaces together and then fixed in this joined state has been known as a prior art. It is described in JP-A-4-304817. The grafting method according to this prior art is such that the cotyledons of the scion seedlings transported on the scion seedling transport line are cut and picked while cutting the stems of the scion seedlings, while they are transported on the rootstock seedling transport line. To remove the cotyledons in the rootstock seedling by cutting with its stem, then the stem part of the cotyledon in the rootstock seedling to the rooted stem in the rootstock seedling, by joining and fixing these cut surfaces. As a rooted grafted seedling, this rooted grafted seedling,
The scion seedling transport line and the rootstock seedling transport line are separately placed on the grafted seedling transport line and sent out.

[0003]

That is, the grafting method according to the prior art described above comprises a transport line for scion seedlings for transporting scion seedlings, and a transport line for rootstock seedlings for transporting rootstock seedlings. In addition to the above, a grafted seedling, that is, a grafted seedling transfer line for sending out grafted seedlings is required, in other words, three seedling transfer lines are required, which significantly increases the size of the device. Not only that, there is a problem that the cost of the device increases and the cost required for grafting increases.

An object of the present invention is to provide a grafting method that solves this problem.

[0005]

[Means for Solving the Problems] In order to achieve this technical object, the grafting method of the present invention is directed to "the cotyledons of the scion seedlings conveyed in the scion seedling conveying line are stalks of the scion seedlings. While cutting and picking, the rootstock seedlings conveyed in the rootstock seedling transport line are lifted from the rootstock seedling transport line with roots to remove the cotyledons by cutting, and then the spikelets The stem part of the cotyledon in the seedlings to the rooted stem part of the rootstock seedling, these cut surfaces are joined and fixed to form a rooted grafted seedling, and this rooted grafted seedling is placed on the rootstock seedling transport line. It is characterized by. "

[0006]

As described above, the present invention provides a rooted grafted seedling by joining and fixing the stems of the cotyledons in the scion seedling to the rooted grafted seedling. Is placed on a rootstock seedling carrying line for carrying the rootstock seedlings, wherein the rootstock seedling carrying line is a carrying line for carrying and supplying rootstock seedlings, and the rooting It can be used also as a rooted grafted seedling transport line for sending out grafted seedlings, in other words, the seedling transport line can be abolished from the grafted seedling transport line in the prior art, and can be doubled. Therefore, not only the device can be remarkably downsized, but the cost of the device can be reduced, and the cost required for grafting can be significantly reduced.

[0007]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a schematic plan view showing the whole seedling grafting device 1, and FIG. 2 is a schematic front view. In the seedling grafting device 1 according to the present invention, as shown in FIG. 1, a scion seedling transport line 2 and a rootstock seedling transport line 3 are arranged in parallel in a plan view. Each of the transfer lines 2 and 3 is composed of a well-known transfer means such as a belt conveyor.
In each of the trays 4 placed on the top surface of the scion seedling transport line 2 out of 3, 4, a plurality of scion seedlings H (6 rows in the X direction, 12 rows in the Y direction) are provided. Pot part 4'that can be stored
However, a plurality of rootstock seedlings D (6 rows in the X direction, 12 rows in the Y direction) are stored in each tray 5 placed on the upper surface of the rootstock seedling transport line 3. The pots 5'that can be formed are each formed in a matrix shape in a plan view.

In FIG. 1, the scion seedling transfer line 2 and the rootstock seedling transfer line 3 are provided with trays 4 and 5 in each of them, in the direction of the arrow Y in FIG. Clips for grafting are carried out intermittently at every interval P1 of the seedlings, and at the lower part of the gate-shaped frame 6 where the seedling clamp transfer mechanism 7, cutting mechanism 8, clip transport mechanism 9 and the like are arranged. The rooted grafted seedling S, which is grafted between the root side of the rootstock seedling D and the tip side of the spikelet seedling H by 10, is emptied in the rootstock seedling transport line 3 in the pot portion 5 ′ of the tray 5. To be loaded into.

Further, on the side of the rootstock seedling transport line 3 and below the gate-shaped frame 6, the rootstock seedlings D which are no longer needed.
A waste box 12 for collecting the cotyledons D ″ at the upper end of the stem D ′ is installed, and one clip 10 for sandwiching the stems of the seedlings is provided near the upper part of the waste box 12. A clip feeder 11 for supplying to the transport mechanism 9 is arranged.

The clamp transfer mechanism 7, which will be described later in detail, comprises a stem portion H'of six scion seedlings H in a tray 5 on the scion seedling transport line 2 and a transport line 3 for the rootstock seedling. The stem portions D ′ of the six rootstock seedlings D in the tray 5 are clamped at once by a pair of upper and lower clamp means 15, 16 and the lower clamp of the pair of upper and lower clamp means 15, 16 is used. On the lower surface of the means 16, a root cutting cutter mechanism 80 for cutting the root portion of each scion seedling H is provided.
Is provided.

The upper transfer frame 17 that supports the upper clamp means 15 and the lower transfer frame 18 that supports the lower clamp means 16 include the clamp means 1 described above.
After clamping the stem portion H'of each scion seedling H and the stem portion D'of the rootstock seedling D by 5, 16 and integrally raising them by an appropriate height, the upper and lower clamp means 15, 16
As shown in FIG. 13, the scion seedlings H and the rootstock seedlings D clamped at are simultaneously lifted upward from their respective trays 4 and 5. In this case, each scion seedling H is lifted in a rootless state by cutting the root of the stem portion H ′ with the root cutting cutter mechanism 80, while each rootstock seedling D is cut at its root portion. The tray 5 is pulled out from the bowl portion 5'and lifted in a rooted state.

Next, by pushing the cutter blade 19 of the oblique cutting mechanism 8 provided between the upper and lower clamp means 15 and 16 in the space above the trays 4 and 5,
As shown in FIG. 14, the stem portion H ′ of each scion seedling H and the stem portion D ′ of each root seedling D are cut in an oblique direction. Then, as shown in FIG. 15, the lower transfer frame 18 of the lower clamp means 16 positions the stem portion H ′ of each of the spikelet seedlings H on the tray 5 in the rootstock seedling transport line 3, and The rooted stem portion D ′ of the rootstock seedling D is laterally moved by a distance L1 (one line width) so as to be located at the location of the clip transport mechanism 9.

On the other hand, the upper transfer frame 17 of the upper clamp means 15 moves laterally by twice the distance L1 so that the cotyledon H ″ of each scion seedling H is located at the location of the clip transport mechanism 9. By this, the cotyledon H ″ of each scion seedling H
After joining the stem portion H ′ in No. 1 and the rooted stem portion D ′ in each rootstock seedling D at the position of the clip transport mechanism 9 as shown in FIG. , The joint portion of each scion seedling H and each rootstock seedling D is clamped and fixed by the clip 10 preloaded in the clip transport mechanism 9, and six rooted grafted seedlings S are fixed.
And

Next, with the upper clamp means 15 and the lower clamp means 16 clamping the rooted grafted seedlings S, as shown in FIG. 17, the rooted grafted seedlings S are transferred to the rootstock seedling conveying line. After returning and laterally moving so as to be located on the tray 5 in 3, the lowering movement is performed a little and the clamps by the upper clamping means 15 and the lower clamping means 16 are released all at once, whereby the rooted grafted seedlings S is the transfer line 3 for the rootstock seedlings
Grafted seedling S for each root with respect to tray 5 in
The roots of the seeds are supplied so as to fit into the pots 5 ′ of the tray 5, while the cotyledons D ″ that are no longer needed in each rootstock D fall into the waste box 12 and are discarded.

Next, the detailed structure of the clamp transfer mechanism 7 will be described with reference to FIGS. The lifting / lowering frame 21 of the clamp transfer mechanism 7 is moved by the first lifting / lowering actuator 22 such as a lifting / lowering air cylinder fixed to the upper surface plate of the gate-shaped frame 6 by the scion seedling transfer line 2 and the rootstock seedling transfer line 3. It moves up and down largely with respect to the upper surface of. The lower transfer frame 1 in which the elevating frame 21 is provided with 12 pairs of lower clamp means 16 via a first lateral movement actuator 23 such as a lateral movement air cylinder that laterally moves by a distance L1.
8 is attached.

A second lateral movement actuator 25 such as a lateral movement air cylinder is vertically movably arranged on the vertical guide rail 24 on the front surface of the elevating frame 21, and the second lateral moving actuator 25 is attached to the elevating frame 21. It is mounted by a second lifting actuator 26 such as a fixed air cylinder so as to move up and down by a small distance. With the second lateral movement actuator 25, the upper transfer frame 17 provided with the 12 pairs of the upper clamp means 15 is configured to laterally move by a distance twice the distance L1.

As can be seen from FIG. 3, the base of the lower clamp means 16 for clamping the stem portion D'of the rootstock seedling D and the stem portion H'of the scion seedling H is located on the side far from the diagonal cutting mechanism 8. The base of the upper clamp means 15 for clamping the stem D'of the rootstock seedling D and the stem H'of the scion seedling H is located near the diagonal cutting mechanism 8. Since the expansion / contraction mechanism of the left and right supports 15a, 15b of the upper clamp means 15 and the expansion / contraction mechanism of the left / right supports 16a, 16b of the lower clamp means 16 are the same, the expansion / contraction mechanism of the lower clamp means 16 is the same. As a representative example, as shown in FIG. 6, a pair of left and right sliding support pieces 31a and 31b are provided on the pair of upper and lower horizontally long guide shafts 30 in the lower transfer frame 18.
And a pair of left and right sliding support pieces 32a and 32b are slidably fitted to the left and right, and 12 left support bodies 16a of the lower clamp means 16 are spaced at a constant interval (P2) between the pair of sliding support pieces 31a and 31b. ), And fix the horizontal rod 33. On the other pair of sliding pieces 32a and 32b, the twelve right support members 1 are provided.
6b fixes the horizontal rod 34 which is attached at a constant interval (P2).

5 and 6, the piston rod 35a of the expansion / contraction moving actuator 35 provided at the left end of the lower transfer frame 18 is fixed to the sliding support piece 31a, while it is provided at the right end of the lower transfer frame 18. The piston rod 36a of the narrowing / moving actuator 36 is fixed to the sliding support piece 32b. With this configuration, the piston rods 35 of the left and right narrowing movement actuators 35, 36 are
When the a and 36a are moved so as to project, the left and right supports 16a and 16a
The horizontal rods 33 and 34 move laterally so that the left-right spacing of b is narrowed, and the holding pieces 37a and 3 at the tips of the left and right supports 16a and 16b.
At 7b, the stem portion D'of the rootstock seedling D and the stem portion H'of the scion seedling H are clamped from the left and right.

On the contrary, when the piston rods 35a and 36a are moved to project, the lateral rods 33 and 34 are laterally moved so that the lateral distance between the left and right supports 16a and 16b is widened, and the left and right supports 1
The holding pieces 37a, 37b at the tips of 6a, 16b expand so as to release the stem. Meanwhile, the upper transfer frame 17
Also, the left and right supports 15a and 15b are moved left and right via the expansion and contraction moving actuators 35 and 36 and the horizontal rods 38 and 39, and the stem portion D of the rootstock seedling D is sandwiched by the holding pieces 40a and 40b at the tips. ′ And the stem H ′ of the scion H are clamped or released. In addition,
In FIG. 5, the upper transfer frame 17 and the like are omitted.

The holding pieces 37a, 37b (holding piece 40)
a and 40b are also the same), as shown in FIGS. 6 and 8, a guide groove having an L-shaped cross section and having a substantially V-shaped plan view that can guide the inner side of the horizontal plate so as to surround the stem. 41 is formed, and the holding pieces 37a, 37b (holding pieces 40a, 40) are formed.
The same applies to b), and a soft elastic body 42 such as a sponge is fixed to prevent the stem from being damaged when it is clamped.

Next, the oblique cutting mechanism 8 will be described with reference to FIGS. 3, 4, 7 and 8. The cutter blade 19 in the diagonal cutting mechanism 8 is the clamp transfer mechanism 7 described above.
By approaching each of the stems D ′, H ′ from the upstream side in the transport direction of the rootstock seedling D and the scion seedling H to a position facing
As shown in FIG. 8, the stems D ′ and H ′ are cut obliquely.

When cutting 12 rootstock seedlings D and scion seedlings H that are clamped by the clamp transfer mechanism 7 and lifted to a predetermined height, the stems D'and H'of each seedling are cutter blades. The upper clamp means 15 and the lower clamp means 1 are arranged so as not to move away with respect to the push-cut of 19.
6, the position of the stem portions D ', H'is restrained by a pair of left and right gripping pieces 43a, 43b between the upper and lower sides of the cutter blade 1 and
9 is pushed in the direction of arrow Y in FIG.

The cutting frame 44 is held at a height position which is constant with respect to the gate frame 6, and the cutting frame 44 has a horizontal rod 45 for supporting the bases of the twelve left gripping pieces 43a. Horizontal rod 4 supporting the base of the right gripping piece 43b
6 and 6 are supported so as to be movable left and right. A piston rod 47a protruding from the left side of a gripping movement actuator 47 such as an air cylinder attached to the cutting frame 44 is connected to the horizontal rod 46, while a piston rod 47b protruding from the right side is connected to the horizontal rod 45. connect.
As a result, when the piston rods 47a, 47b project from each other, the left-right gap between the left and right gripping pieces 93a, 43b is reduced, and the stem of the seedling is gripped from the left and right. On the contrary, when the two piston rods 47a, 47b are retracted from each other, the left-right gap between the left and right gripping pieces 43a, 43b is expanded.

On the other hand, the support frame 48 supported by the cutting frame 44 so as to be movable back and forth (in the direction of arrow Y) is provided with twelve round rods, square rods, plate-like cutter shafts 49 at regular intervals (P2). ), The cutter actuator 50
Is used to move the support frame 48 (direction of arrow Y). Next, a detailed configuration of the clip transport mechanism 9 will be described with reference to FIGS. 9 to 12.

When a clip 10 made of a synthetic resin such as clothespins is randomly placed in a clip feeder 11 composed of a vibration type parts feeder having a conventionally known structure,
In the upper opening type supply passage 11a, the clip 10 is aligned in a line so that the bifurcated stem gripping portion 10a is located near the supply port 11b and the bifurcated opening / closing operation portions 10b and 10b are rearward. Arranged in a line (Fig. 11 (a))
reference). Reference numeral 10c is a ring spring for constantly urging the stem gripping portion 10a in the closing direction.

As shown in FIGS. 9 and 10, in the clip transport mechanism 9, a movable frame 61, which is suspended and supported on the lower surface side of a support frame 60 provided on the lower surface of the gate frame 6, is X-shaped. It is configured to be movable in the Y direction and the Y direction. That is, the upper suspension support 61a of the moving frame 61 is movably suspended in the left-right direction (X direction) with respect to the guide rail 62 that is fixed to the lower surface of the support frame 60 and is long in the X direction. A timing belt 65 is wound around a driven pulley 63 and a drive pulley 64 provided on the lower surface side of the drive belt 60, and the drive pulley 64 is driven by a forward / reverse rotatable step motor 66 fixed on the gate frame 6, The belt 65 and the upper suspension support 61a are connected by a connecting fitting 69.
Further, the piston of the drive actuator 68 fixed to the lower surface of the gate-shaped frame 6 by movably suspending the movable frame 61 with respect to the guide rail 67 in the front-rear direction (Y direction) provided on the lower surface of the upper suspension support 61a. When a rod (not shown) is connected to the moving frame 61 and the piston rod is moved in a protruding manner, the moving frame 61 is moved so as to approach the front surface of the clamp transfer mechanism 7 (see FIG. 9). See the chain double-dashed line).

A clip holder 70 consisting of six pairs of left and right hand bodies 70a and 70b is provided on the movable frame 61 at a constant interval (equal to the installation interval of the upper clamp means 15 and the upper clamp means 16 in the clamp transfer mechanism 7). P
It is located in 2). A horizontal rod 71 that fixes the bases of the six right hand bodies 70b, and the same six left hand bodies 70
The horizontal rod 72 having the base portion a fixed thereto is attached to the moving frame body 60 so as to be movable left and right with respect to each other.

On the other hand, the left and right hand bodies 70a and 70b of each clip holder 70 are opened inward with each other.
Longitudinal guide grooves 76, 76 are formed, and the ring spring 1 in the clip 10 is formed in the guide grooves 76, 76.
The stem grasping portion 10a, which is the tip of the clip 10, can move to the holding portion 77 while 0c is inserted and held in the posture.

Then, as will be described later, the left and right hand bodies 70
In the state where the distance between a and 70b is maintained at P4, the supply port 11 of the supply passage 11a in the clip feeder 11
When located in front of b, the push body 79 at the tip of the piston rod 78a of the clip supply actuator 78 such as an air cylinder arranged along the supply passage 11a pushes the clip 10 forward and makes it inherited by the clip holder 70 ( See FIG. 11 (a). When the transfer of one clip 10 to one clip holder 70 is completed, the step motor 66 is operated to move the moving frame 6
0 is intermittently moved laterally (X direction) by the pitch P2 to position the clip holder 70 in the empty state in front of the supply port 11b, and the clip 10 is attached to the clip holder 70.
When the clips 10 are supplied to all of the six clip holders 70 by repeating the work of inheriting them, the clamp transfer mechanism 7 in a state where the diagonal cutting points of the rootstock seedling D and the scion seedling H are joined. Moving toward the front of the frame 61
Is largely moved in the X direction.

A piston rod 73a protruding from the left side of the first clip actuator 73 such as an air cylinder fixed to the moving frame 61 is connected to the second clip actuator 74, and the piston of the second clip actuator 74 is connected. The rod 74a is connected to the horizontal rod 71, while the piston rod 73b protruding from the right side is connected to the second clip actuator 75, and the piston rod 75a of the second clip actuator 75 is connected to the horizontal rod 72. As a result, when the piston rods 73a and 73b project from each other, the distance between the left and right hand bodies 70a and 70b is reduced to P3 (see the state in FIG. 11B), and the left and right opening / closing operation portions 10b and 10b of the clip 10 are closed. Can be narrowed and the stem gripping portion 10a can be held in a widened state. Both piston rods 73a,
When 73b retreats from each other, the left and right hand bodies 70a, 7
The left-right interval of 0b is expanded to P4 (refer to the state of FIG. 11A), and the clip feeder 11 is in the standby posture of inheriting the clip 10 from the supply port 11b. Then, in this expanded state, the second clip actuator 74,
When 75 is operated and the piston rods 74a and 75a are caused to project, the left and right hand bodies 70a and 70b are widened to P5 (see the state of FIG. 11C), and the stem gripping portion 10a of the clip 10 is used. The joint portion of the grafted seedling S is grasped and fixed from the left and right. Piston rods 74a, 7
When 5a is moved backward, both left and right hand bodies 70a, 70b
Then, the vehicle is restored so that the left-to-right space of the line becomes narrower to P4 (see the state of FIG. 11B).

With the above construction, the clamp transfer mechanism 7 allows the six scion seedlings H in the tray 4 on the upper surface of the scion seedling transfer line 2 and the six shrub seedlings H in the tray 5 on the upper surface of the scion seedling transfer line 3 to be conveyed. After the rootstock seedlings D are simultaneously clamped by the upper clamp means 15 and the lower clamp means 16, each rootstock seedling H is root-cut, and each rootstock seedling D is rooted, and each tray 4 thereof is attached. , 5 and, in this state, the stem portion H ′ of each scion seedling H and the stem portion D ′ of each rootstock seedling D.
The upper clamp means 15 and the lower clamp means 1
Cut diagonally between 6 and then each scion seedling H
The stem H ′ of the cotyledon H ″ in FIG. 2 is joined to the stem D ′ of each rooted rootstock seedling D such that the cut surfaces in the oblique direction are aligned, and this joint is fixed by the clip 10. To form six rooted grafted seedlings S, and the rooted grafted seedlings S are used as trays 5 in the rootstock seedling transfer line 3 described above.
On the other hand, the root of the grafted seedling S with each root is tray 5
Of the rooted grafted seedling S containing tray 5 supplied so as to fit into each pot portion 5'of
The work of sending out is done continuously.

The diagonal cutting mechanism 8 is provided with a counter 81 for counting the number of times of cutting by the cutter blade 19, and the number of cuttings counted by the counter 81 is an appropriate number such as 5000 times. And an alarm device 82 that is activated when the temperature exceeds the limit. That is, the sharpness of the cutter blade 19 in the oblique cutting mechanism 8 decreases with an increase in the number of times of cutting, and if the cutting is continued as it is, the viability of the seedlings on the cut surface deteriorates.

Therefore, as described above, the cutter blade 19
If the number of disconnections due to
By configuring in 2 to warn that it is necessary to replace the cutter blade 19, it is possible to prevent deterioration of the vitality due to forgetting to replace the cutter blade 19.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a graft graft seeding device according to an embodiment of the present invention.

FIG. 2 is a schematic front view of the grafted seedling device.

FIG. 3 is a side view of a clamp transfer mechanism and a cutting mechanism.

FIG. 4 is a partially cutaway plan view of a clamp transfer mechanism and a cutting mechanism.

FIG. 5 is a partially cutaway front view of a lower transfer frame and a lower clamp means.

FIG. 6 is a partially cutaway perspective view of a lower transfer frame and a lower clamp means.

FIG. 7 is a perspective view of a main part of an oblique cutting mechanism.

FIG. 8 is an enlarged cross-sectional view of an essential part showing the positional relationship of components when cutting a stem portion.

9 is a cross-sectional view showing the clip transport mechanism and is a cross-sectional view taken along line IX-IX in FIG.

FIG. 10 is a side view taken along line XX of FIG. 9.

FIG. 11A is a plan sectional view showing a state where a clip is transferred from a clip feeder to a clip holder, and FIG. 11B is a plan view showing a state in which a stem grip portion of the clip is opened.
(C) is a top view which shows the state which grasps a stem with a clip.

FIG. 12 is an enlarged sectional view taken along line XII-XII of FIG.

FIG. 13 is a diagram showing a state in which a scion seedling and a rootstock seedling are lifted.

FIG. 14 is a diagram showing a state in which the stem portions of the scion seedling and the rootstock seedling are cut obliquely.

FIG. 15 is a view showing a state in which a rootstock seedling is laterally moved.

FIG. 16 is a view showing a grafted seedling in which the cotyledon of the scion seedling and the stem portion of the rootstock seedling are joined.

FIG. 17 is a diagram showing a state in which a grafted seedling is laterally moved to a rootstock seedling transport line.

[Explanation of symbols]

 H Scion seedling H'Stem part of scion seedling H ″ Scion of scion seedling D Rootstock seedling D'Stem part of rootstock seedling D ″ Cotyledon of rootstock seedling S Grafted seedling 1 Grafted seedling device 2 Scion seedling Transport line 3 Rootstock seedling transport line 4 Scion seedling tray 5 Rootstock seedling tray 6 Gate type frame 7 Clamp transport mechanism 8 Diagonal cutting mechanism 9 Clip transport mechanism 10 Clip 15 Upper clamp means 16 Lower clamp means 17 Upper Transfer frame 18 Lower transfer frame 19 Cutter blade 80 Cutter mechanism for root cutting

Claims (1)

[Claims] 1. A cotyledon of a scion seedling conveyed on a scion seedling conveying line is cut while cutting the stem portion of the scion seedling,
The rootstock of the rootstock seedlings transported by the rootstock seedling transport line is lifted from the rootstock seedling transport line and the cotyledons are removed by cutting, and then the stem portion of the cotyledons in the spikelet seedlings is removed. The rooted stalks in the rootstock seedlings are joined and fixed by joining and fixing these cut surfaces to obtain rooted grafted seedlings, and the rooted grafted seedlings are placed on the rootstock seedling transport line. Method.