CN109804850A - A kind of method of American elm trunk pruning - Google Patents
A kind of method of American elm trunk pruning Download PDFInfo
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- CN109804850A CN109804850A CN201910124372.8A CN201910124372A CN109804850A CN 109804850 A CN109804850 A CN 109804850A CN 201910124372 A CN201910124372 A CN 201910124372A CN 109804850 A CN109804850 A CN 109804850A
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- trunk
- trimming
- branch
- american elm
- pruning
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Abstract
The invention discloses the processes such as a kind of method of American elm trunk pruning, including selection nursery stock, determining trimming time, trimming and growing season management.Method disclosed by the invention to American elm pruning makes trimming position leave bamboo joint type branch trace, improves the ornamental value of American elm, and do not interfere the transport of nutriment.
Description
Technical field
The present invention relates to seedling growth administrative skill fields, more particularly to a kind of American elm trunk pruning
Method.
Background technique
The pruning of traditional ornamental plant is exactly the trimming certain to implementations such as plant tree crown, branches, is laid out limb
Rationally, reach certain tree management form, for ornamental, and the transport of adjustable nutrient and moisture, tree vigo(u)r is balanced, is changed
Relationship between nutrient growth and reproductive growth, Accelerate bloom by removing deadwood, sick branch, dense branches as a result, can also be changed
Kind tree crown ventilation and penetrating light condition keeps plant growth healthy and strong, reduces the generation of pest and disease damage.
Currently, being mostly to accomplish not interfere people's vehicle current for shade tree, but this repair to the trimming of plant trunk
It cuts often not beautiful enough, and at present there has been no special pruning technique is used, makes trunk that the ornamental of bamboo joint type branch trace be presented
Characteristic.
Therefore, how to provide a kind of with ornamental value and the shaping methods that carry out special trimming to American elm trunk are abilities
The problem of field technique personnel's urgent need to resolve.
Summary of the invention
In view of this, having the present invention provides the method that a kind of pair of American elm trunk carries out pruning to its trunk
The trimming of rule makes trimming position leave bamboo joint type branch trace, improves the ornamental value of American elm, and do not interfere the fortune of nutriment
It is defeated.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of method of American elm trunk pruning, includes the following steps:
1) nursery stock is selected；Nursery stock, which need to grow to certain time limit, can just carry out bamboo joint type stem pruning, not according to propagation method
Together, may be selected: at the beginning of 4 months spring grafting nursery stock, current year plant height be 1.8-2.2m, ground diameter 2-2.5cm；Or at the beginning of 6 months summers
Cuttage cultivating seedling, until after next year fallen leaves, plant height 2.3-2.6m, ground diameter 2.8-3.2cm；
2) selection forms the branch of bamboo joint type trunk: in dormant period, along American elm trunk, from the bottom to top, every 10-15cm
Place, two side shoots are selected and remain in symmetrical position on trunk, and side shoot and trunk is made to form inverted " a " font；About
The attachment region of side shoot should be in a straight line as far as possible；
3) trimming of not selected branch: to remaining side shoot, conventional trimming is carried out, is close to American elm trunk, is cut from base portion
Not selected branch；
4) it bamboo joint type stem pruning: is trimmed to the branch to get off is selected and remain in the step 2), retains the stake of 0.5-1cm
Head forms bamboo joint type trunk；Retain too long or too short, it is meticulous or excessively thick that the branch trace to be formed can be made, to influence bamboo joint type master
Dry neat appearance；
5) growing season management: 1) when the side shoot rugosity that in the step 2) leaves be more than 0.8cm, it is close to trunk in time and subtracts
Fall, clip caused by avoiding side shoot excessively thick stays scar or healing time too long；2) it removes and is left to form bamboo joint type branch trace on trunk
Outside the branch of two column symmetric growths, the branch that remaining angle is bred should be close to trunk and extract as early as possible；
Optionally, it when branch length is greater than 40cm, when trimming, is smeared in time with charcoal or sulphur powder.
Optionally, when the diameter of branch is greater than 1cm, trimming Shi Yingxian amputates 1/3 length below the branch, then from branch
It is sawed-off above.
It can be seen via above technical scheme that compared with prior art, the invention discloses a kind of shapings of American elm trunk
Pruning method, what is reached has the technical effect that
1) it is trimmed after autumn end fallen leaves to spring juice flow progresses row in dormant period, can avoid it in Summerly pruning
When, gummosis infiltration in wound causes wound surface excessive, can not form bamboo joint type branch trace；
2) when trimming to side shoot, diameter, length and the rugosity of strict control side shoot, prevent trimming when, leave compared with
Healing time is shortened in big wound face；
3) it is smeared at wound with charcoal or sulphur powder, can prevent from rotting at wound, play the role of sterilization and receive water, be conducive to wound
Mouth healing；
4) trim thick branch when, first amputate 1/3 length, then above branch it is sawed-off, can prevent from pulling bark；
5) symmetrical side shoot is trimmed, and stays the pile crown of 0.5-1cm, American elm trunk can be allowed to seem that bamboo is presented
The growth of section formula, increases the ornamental value of American elm.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one
The embodiment of the invention discloses a kind of methods of American elm trunk pruning, include the following steps:
1) nursery stock is selected；The nursery stock grafted at the beginning of 4 months spring of selection, plant height 1.8m, ground diameter 2cm；
2) selection forms the branch of bamboo joint type trunk: in dormant period, along trunk, from the bottom to top, at every 10cm, in trunk
Two side shoots are selected and remain in upper symmetrical position, and side shoot and trunk is made to form inverted " a " font；
3) it the trimming of not selected branch: to remaining side shoot, carries out conventional trimming: being close to American elm trunk, cut from base portion
Not selected branch
4) it bamboo joint type stem pruning: is trimmed to the branch to get off is selected and remain in the step 2), retains the stake of 0.5cm
Head forms bamboo joint type trunk；
5) growing season management: 1) when the side shoot rugosity that in the step 2) leaves be more than 0.8cm, it is close to trunk in time and subtracts
Fall, 2) in addition to the side shoot that need to retain, remaining branch bred on trunk is wiped out.
Embodiment two
1) nursery stock is selected；Select the cuttage cultivating seedling at the beginning of 6 months summers, plant height 2.5m, ground diameter 3cm；
2) selection forms the branch of bamboo joint type trunk: in dormant period, along trunk, from the bottom to top, at every 12cm, in trunk
Two side shoots are selected and remain in upper symmetrical position, and side shoot and trunk is made to form inverted " a " font；
3) it the trimming of not selected branch: to remaining side shoot, carries out conventional trimming: being close to American elm trunk, cut from base portion
Not selected branch
4) it bamboo joint type stem pruning: is trimmed to the branch to get off is selected and remain in the step 2), retains the stake of 0.75cm
Head forms bamboo joint type trunk；
5) growing season management: 1) when the side shoot rugosity that in the step 2) leaves be more than 0.8cm, it is close to trunk in time and subtracts
Fall, 2) in addition to the side shoot that need to retain, remaining branch bred on trunk is wiped out.
Embodiment three
1) nursery stock is selected；The nursery stock grafted at the beginning of 4 months spring of selection, plant height 2.2m, ground diameter 2.5cm.
2) selection forms the branch of bamboo joint type trunk: in dormant period, along trunk, from the bottom to top, at every 15cm, in trunk
Two side shoots are selected and remain in upper symmetrical position, and side shoot and trunk is made to form inverted " a " font；
3) it the trimming of not selected branch: to remaining side shoot, carries out conventional trimming: being close to American elm trunk, cut from base portion
Not selected branch
4) bamboo joint type stem pruning: trimming to the branch to get off is selected and remain in the step 2), retain the pile crown of 1cm,
Form bamboo joint type trunk；
5) growing season management: 1) when the side shoot rugosity that in the step 2) leaves be more than 0.8cm, it is close to trunk in time and subtracts
Fall, 2) in addition to the side shoot that need to retain, remaining branch bred on trunk is wiped out.
Inventor respectively verifies three kinds of embodiments, as a result as shown in table 1-3:
Table 1
10-15cm is spaced on 2 trunk of table, less than 10cm and the Contrast on effect of the trimming greater than 15cm progress side shoot
3 side shoot rugosity of table is greater than less than 0.8cm and the Wound healing time comparison trimmed greater than 0.8cm, ornamental valence
The comparison of value
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of method of American elm trunk pruning, which is characterized in that include the following steps:
1) nursery stock is selected；
2) selection forms the branch of bamboo joint type trunk: along trunk, from the bottom to top, and at every 10-15cm, the bilateral symmetry on trunk
Position select and remain two side shoots, so that side shoot and trunk is formed inverted " a " font；
3) trimming of not selected branch: to remaining side shoot, conventional trimming is carried out；
4) bamboo joint type stem pruning: trimming to the branch to get off is selected and remain in the step 2), retain the pile crown of 0.5-1cm,
Form bamboo joint type trunk；
5) growing season management.
2. a kind of method of American elm trunk pruning according to claim 1, which is characterized in that in the step 1)
The nursery stock that nursery stock was grafted at the beginning of 4 months spring, plant height 1.8-2.2m, ground diameter 2-2.5cm；Or the cuttage cultivating seedling at the beginning of 6 months summers, plant height
2.3-2.6m, ground diameter 2.8-3.2cm.
3. a kind of method of American elm trunk shaping according to claim 1, which is characterized in that in dormant period to the nursery stock
It is trimmed.
4. a kind of shaping and trimming method of American elm trunk according to claim 1, which is characterized in that in the step 3)
Conventional trimming are as follows: be close to American elm trunk, not selected branch is cut from base portion.
5. a kind of shaping and trimming method of American elm trunk according to claim 1, which is characterized in that raw in the step 5)
Long-period of management includes: (1) when the side shoot rugosity left in the step 2) is more than 0.8cm, is close to trunk in time and cuts, (2)
In addition to the side shoot that need to retain, remaining branch bred on trunk is wiped out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910124372.8A CN109804850B (en) | 2019-02-19 | 2019-02-19 | Shaping and trimming method for ulmus pumila trunks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910124372.8A CN109804850B (en) | 2019-02-19 | 2019-02-19 | Shaping and trimming method for ulmus pumila trunks |
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| CN109804850B CN109804850B (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112449971A (en) * | 2020-11-24 | 2021-03-09 | 河北润丰林业科技有限公司 | Coconut tree modeling method for elms with long branches |
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| CN109804850B (en) | 2021-02-09 |
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