CN103733940B - Shed frame pear bearing branch group renewal method - Google Patents
Shed frame pear bearing branch group renewal method Download PDFInfo
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- CN103733940B CN103733940B CN201310742493.1A CN201310742493A CN103733940B CN 103733940 B CN103733940 B CN 103733940B CN 201310742493 A CN201310742493 A CN 201310742493A CN 103733940 B CN103733940 B CN 103733940B
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Abstract
The invention provides a shed frame pear bearing branch group renewal method. The method is characterized in that a base of a bearing branch group to be renewed and a position 2-3cm away from a branching point of the bearing branch group to be renewed are incised to present a triangle, the depth of the triangle is 1/3-1/2 of the diameter of the bearing branch group to be renewed, the incised bearing branch group is capable of normally bearing for 1-2 years, and branches sprouted by latent buds incised from the base of a bearing branch group serve as renewal branches for cultivating a new bearing branch group. By the aid of practical application, fine effects are generated, frame surface utilization rate is increased by 15.8%, and yield is improved by 13.7% per 667m<2>.
Description
Technical field
The invention belongs to pomology, fruit tree field of ecology, particularly relate to a kind of update method of frame pear tree fruit-bearing shoot cluster.
Background technology
Frame is tree-like, and to be the nineties in last century introduce relevant culture technique from Japan, at present in Jiangsu, Shandong, Zhejiang, Hubei, Sichuan, Henan, Shanghai, Beijing, province, the city such as Chongqing carried out the cultivation of frame pears, area expands year by year.Facts have proved, frame shape is tree-like not only has windproof advantage, can also improve fruit quality, especially having conventional without the tree-like unrivaled advantage of frame cultivation in the regularity improving fruit, is the important way of China's pears high-quality, standardized planting from now on.
The fruit-bearing shoot cluster of frame pear tree is made up of jointly vegetative shoot and fruit bearing shoot, raw on the skeleton branch such as major branch or secondary major branch, be laid in growth, result on frame frame face, be the base unit of frame Growth of Pear Trees and result, be directly connected to the availability height in the flat frame face of pear tree and can high and stable yield be realized.Therefore, fruit-bearing shoot cluster cultivation is the key of the added rear output increased of frame pear tree branch.The great advantage of pergola system is exactly by the quick renewal of branch, can turn out young fruit-bearing shoot cluster and bear the large fruit of high-quality, thus requires higher to the update method of fruit-bearing shoot cluster.
Traditional fruit-bearing shoot cluster update mode refers to while fruit-bearing shoot cluster result, the skeleton branches such as the major branch in these fruit-bearing shoot cluster branching-point both sides or secondary major branch are found or cultivates suitable innovation shoot, cultivated through 1 ~ 2 year, after becoming new fruit-bearing shoot cluster, disposable for former fruit-bearing shoot cluster saw is removed, substitutes with new fruit-bearing shoot cluster.The update method of this frame pears fruit-bearing shoot cluster belongs to " transposition upgrades ", namely after fruit-bearing shoot cluster aging, need other location of the skeleton branches such as the major branch in former fruit-bearing shoot cluster both sides or secondary major branch or cultivate innovation shoot come alternative it.The major defect of this way: one is that the renewal point of fruit-bearing shoot cluster is not fixed, and special cultivation position must be reserved on the skeleton branch such as major branch or secondary major branch, for the cultivation of innovation shoot, because innovation shoot starts to cultivate to the time forming new fruit-bearing shoot cluster and need 1-2, frame space of planes for cultivating new fruit-bearing shoot cluster during this does not have output, thus decrease the setting fruit position in frame frame face, reduce the availability in flat frame face; In addition, because setting fruit position is not fixed, the high and stable yield of frame pear tree is also usually affected because fruit-bearing shoot cluster alternately occurs " gap between generations " not in time.Two is sometimes do not occur or do not culture suitable innovation shoot and cause new fruit-bearing shoot cluster to lack, orchard worker often extends the service life of fruit-bearing shoot cluster in this case, fruit-bearing shoot cluster life is caused to grow too thick, formed " accurate bough ", Competition for Nutrients is formed to the skeleton branch such as major branch or secondary major branch, occurs fruit-bearing shoot cluster and skeleton branch " principal and subordinate regardless of ", upset tree-like phenomenon.Three is that this fruit-bearing shoot cluster " transposition " formula alternately upgrades, and culture technique is comparatively flexible, by force empirical, is not easily grasped by orchard worker, is unfavorable for frame pears standardized production.In addition, along with the aging aggravation of China rural laborer population in recent years, frame pear cultivation is technically also in the urgent need to " foolproof " technology simple to operate.Therefore, explore a kind of simple possible, the light frame pear tree fruit-bearing shoot cluster update method simplified, become a urgent task of China's frame pear tree culture technique research.
Inventor innovates on frame pears pruning technique in recent years, explore pear tree " both arms direct motion formula " the novel frame pear tree Labor-saving pruning technique pattern with China's characteristic, comprise Novel rack type, frame is tree-like, the added skill method of major branch, four aspects such as the cultural method of fruit-bearing shoot cluster, define a whole set of novel labour saving frame pear tree pruning technique system, and in January, 2013 by the art applications of these four aspects 4 patents, comprise a kind of new and improved flat shed frame type (to obtain the authorization, patent No. ZL201320006399.5, patent relates to " three line one sides " or " two line one sides " frame posture), a kind of novel frame Pear trees shape and shaping methods (number of patent application 201310004696.0 thereof, patent publication No. 103081770A, tree-like and the pruning technique of patent relates to " both arms direct motion formula " frame), the quick added method (number of patent application 201310004697.5 of a kind of frame pear tree major branch, patent publication No. 103081676A, it is added that patent relates to frame pear tree major branch), a kind of novel frame pear tree fruit-bearing shoot cluster and cultural method (number of patent application 201310010694.2 thereof, patent publication No. 103053378A, patent relates to frame pear tree fruit-bearing shoot cluster and cultivates), apply in pears producing region, China north and south as China's pear cultivation new technology in recent years.
The renewal of fruit-bearing shoot cluster is the important component part of fruit-bearing shoot cluster culture technique.The patent of invention " a kind of novel frame pear tree fruit-bearing shoot cluster and cultural method thereof " (number of patent application 201310010694.2) that inventor has applied for proposes a kind of cultivation of novel frame pear tree fruit-bearing shoot cluster, the supporting technology of added and maintenance aspect, but which position to produce innovation shoot to cultivate new fruit-bearing shoot cluster from after not relating to fruit-bearing shoot cluster aging.Inventor is in the practice of the show-how of frame pear cultivation and popularization, with " three lines one side " or " two lines one sides " posture (patent No. ZL201320006399.5) and " both arms direct motion formula " frame tree-like (number of patent application 201310004696.0) for research/development platform, further fruit-bearing shoot cluster update method is researched and developed, to enrich and development " both arms direct motion formula " novel frame pear tree pruning pattern.
Patent of the present invention proposes a kind of novel frame pear tree fruit-bearing shoot cluster update method---" original position renewal " method, make the renewal of frame pear tree fruit-bearing shoot cluster more simple, frame face availability and output are all improved significantly, and are the innovations again to " both arms direct motion formula " novel frame pear tree pruning pattern key technology.
Summary of the invention
The object of this invention is to provide a kind of simple, pear tree fruit-bearing shoot cluster update method of improving frame pears output.
Technical scheme of the present invention is: a kind of update method of frame pear tree fruit-bearing shoot cluster, the method is: in fruit-bearing shoot cluster behind portion to be updated, apart from branching-point 2 ~ 3cm place saw one cutter of this fruit-bearing shoot cluster, the degree of depth is to 1/3 ~ 1/2 of diameter, up interval 1 ~ 2cm tiltedly saws a cutter again, to the first saw cut-off place, peel triangle wooden unit formation triangle and incise.After incising saw wound, the annotinous branch that is sprouted as innovation shoot at this fruit-bearing shoot cluster kryptoblast incised below saw kerf, through the cultivation of 1 ~ 2 year, form new fruit-bearing shoot cluster, then former fruit-bearing shoot cluster saw is removed, replaced by new fruit-bearing shoot cluster, former fruit-bearing shoot cluster saw except before can normal outcome 1 ~ 2 year, realize result limit, limit and upgrade;
, the incubation time of fruit-bearing shoot cluster innovation shoot: when on major branch raw fruit-bearing shoot cluster rugosity exceed 1/3 of major branch rugosity time, carry out " incising method " saw wound at fruit-bearing shoot cluster base portion, carry out when " incising method " saw wound is pruned in the winter time;
, " incising method " saw wound concrete steps: fruit-bearing shoot cluster the back of the body bottom, apart from its branching-point 2 ~ 3cm place, with pruning saw vertically saw into, the degree of depth is 1/3 ~ 1/2 of fruit-bearing shoot cluster rugosity; Then saw under 1 ~ 2cm place above the first saw kerf, angular slope is to the first saw kerf, and degree of depth saw is to cut-off place of the first saw; Take off triangle wood particle again, form a triangle and incise;
(3), fruit-bearing shoot cluster base portion incises the management after sawing wound:
1. diabolo saw kerf is not wrapped up, and keeps being unfavorable for the state of wound healing, is conducive to the control of fruit-bearing shoot cluster and the sprouting promoting base portion kryptoblast;
2. when base portion kryptoblast is if any multiple pumping branch, select the branch of 1 portion on the lower side or position, side, the branch that all the other kryptoblast are sprouted is erased;
3. the branch selected and remain uprightly is lured and draw, allow its shape of being kept upright grow fast;
4. when late June to early July, innovation shoot length reached more than 1 meter then, carry out 60 degree of angle oblique pulls and urge its formation bud, form 1.5 meters then, there is the long fruit branch of axillary bud and new fruit-bearing shoot cluster, to be removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster evens up the position replacing former fruit-bearing shoot cluster in flat frame face;
When the innovation shoot growing way 1 meter of length on the weak side, inadequate of late June to early July then, shape of being still kept upright lures and draws, treat winter its branch enrich position carry out in cutting back or heavy cutting back, make the strong branch of its pumping in spring in next year, carry out 60 degree of angles again in late June in next year to early July and skew its formation bud short, form the new fruit-bearing shoot cluster with fruit spur and axillary bud, again by being removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster is evened up the position replacing former fruit-bearing shoot cluster in flat frame face; The incubation time that new fruit-bearing shoot cluster forms needs 1 year or 2 years is sent to from taking out of innovation shoot.
4, the flower and fruit management of former fruit-bearing shoot cluster after incising saw wound: for maintaining the output of former fruit-bearing shoot cluster, after base portion incises saw wound, suitably can stay fruit under guaranteed quality prerequisite, the new fruit-bearing shoot cluster that branch to be updated is cultivated forms rear disposablely to remove more.Former fruit-bearing shoot cluster saw except before can normal outcome 1 ~ 2 year, realize result limit, limit and upgrade.
beneficial effect
1, the technology of the present invention is a kind of important component part of new fruit-bearing shoot cluster culture technique, has the beneficial effect of following 4 aspects:
One is that the cultivation position of fruit-bearing shoot cluster innovation shoot is fixed, i.e. " original position renewal ".Traditional fruit-bearing shoot cluster update mode is " transposition upgrades ", easily there is the phenomenon of " gap between generations " in former fruit-bearing shoot cluster and new fruit-bearing shoot cluster, old fruit-bearing shoot cluster lifespan can be caused long on the one hand, and there is " coarsening ", form " accurate bough " and compete with the skeleton branch such as major branch, cause tree-like principal and subordinate regardless of; On the other hand, also output fluctuation can be there is not in time because of new and old fruit-bearing shoot cluster.Namely " original position renewal " method starts to control former fruit-bearing shoot cluster before former fruit-bearing shoot cluster upgrades for 1 year or 2 years, its growth potential can not be formed with skeleton branches such as major branches and compete, after new fruit-bearing shoot cluster is cultivated, fill up the flat frame face shared by former fruit-bearing shoot cluster, what realize new and old fruit-bearing shoot cluster steadily replaces (table 1).
Two is that the cultivation that can realize fruit-bearing shoot cluster innovation shoot is carried out in " original position ", need not to resemble on the skeleton branches such as the major branch in former fruit-bearing shoot cluster both sides traditional update method between special preparation clearancen for cultivating innovation shoot, make frame space availability ratio improve like this, output is significantly higher than traditional fruit-bearing shoot cluster updating method.
Three is in the culture technique of fruit-bearing shoot cluster innovation shoot, " incising method " that the present invention adopts is to former fruit-bearing shoot cluster saw wound, form leg-of-mutton incising, " incise " place's wound healing comparatively slow, to the control effects of fruit-bearing shoot cluster growth potential be all better than general saw to the spread effect of fruit-bearing shoot cluster base portion kryptoblast and hinder method and carve bud method.General saw is hindered method and is only sawed a cutter, a part for sawed-off fruit-bearing shoot cluster, and the position of saw wound is also uncertain, do not peel off xylem, object is the growth potential to controlling former fruit-bearing shoot cluster, and the control time is shorter, stimulates the effect instability of kryptoblast pumping innovation shoot or the bad and not convenient use in branch orientation of pumping; And the position of " incising method " saw wound is the behind portion of fruit-bearing shoot cluster base portion, saw kerf is triangular in shape incises, good to the control effects of fruit-bearing shoot cluster growth potential, the effect of results of stimulation branch group base portion kryptoblast pumping innovation shoot might as well, the position of pumping innovation shoot is also low, cultivates easily to even up after forming new fruit-bearing shoot cluster to flat frame and fills up the frame space of planes of former fruit-bearing shoot cluster.Carving bud is promote that pears bud pumping goes out the method for long shoot, better to the effect of bright bud, but to the effect instability that results of stimulation branch group base portion kryptoblast is branched out.Incise compared with saw method of hindering urgees branch with bud method at quarter, the rate of branching out of fruit-bearing shoot cluster base portion kryptoblast significantly improves.Therefore, what patent of the present invention adopted incises the double effects that the saw method of hindering has the former fruit-bearing shoot cluster of control and its base portion kryptoblast of promotion, is kill two birds with one stone (table 2).
Four is that patented technology of the present invention is simple, is easy to apply.Traditional fruit-bearing shoot cluster upgrades and belongs to " transposition " renewal, and the cultivation position of fruit-bearing shoot cluster innovation shoot is not fixed, and pears agriculture often feels intangible in the selection of innovation shoot, is not easy to grasp, and needs certain cultivation experience just can accomplish.Fruit-bearing shoot cluster is upgraded position and is fixed up by patent of the present invention, fruit-bearing shoot cluster upgrades base portion on former fruit-bearing shoot cluster to carry out, new renewal position need not be found, pears agriculture can be accomplished when the innovation shoot of cultivation results branch group to know what's what, and can promote the raising of China's frame pears quantitative management and standardized planting level so undoubtedly.
2, patent of the present invention is by practical application, creates good effect, and frame face availability improves 15.8%, every 667m
2output increased 13.7%.
3, patent of the present invention is suitable for the tree-like pruning pattern of " both arms direct motion formula " frame of " three lines one side " or " two lines one sides " flat shed frame type cultivation, reference when also can cultivate for common three major branches of general flat shed frame type cultivation or the tree-like fruit-bearing shoot cluster of two major branches.
Accompanying drawing explanation
Fig. 1 bearing basal shoot is incised method saw and is hindered schematic diagram
Fig. 2 bearing basal shoot incises the innovation shoot pumping design sketch after method saw wound
1 major branch, 2 bearing basal shoots, 201 fruit-bearing shoot cluster base portions incise the degree of depth, the 204 fruit-bearing shoot cluster base portions a little incising width, 203 with the distance, 202 of its branching-point and incise incise under kryptoblast 205 fruit-bearing shoot cluster base portion incise under the innovation shoot of kryptoblast pumping.
Embodiment
Patented technology of the present invention is carried out based on by " three line one sides " or " two line one sides " posture, frame is tree-like with " both arms direct motion formula ", and test kind is south China frame pear cultivation kind kingfisher hat, chrysanthemum.Pear tree seeding row spacing is 4m × 3m.Adopt following technical step:
1, the innovation shoot incubation time of fruit-bearing shoot cluster: when on the major branch that " both arms direct motion formula " novel frame is tree-like raw fruit-bearing shoot cluster rugosity exceed 1/3 of major branch rugosity time, carry out incising method saw wound at this fruit-bearing shoot cluster base portion, incise when method saw wound is pruned in the winter time and carry out;
2, incise method saw wound concrete steps: fruit-bearing shoot cluster the back of the body bottom, apart from its branching-point 2 ~ 3cm place, with pruning saw vertically saw into, the degree of depth is 1/3 ~ 1/2 of fruit-bearing shoot cluster rugosity; Then saw under 1 ~ 2cm place above the first saw kerf, angular slope is to the first saw kerf, and degree of depth saw is to cut-off place of the first saw; Take off triangle wood particle again, form a triangle and incise;
3, fruit-bearing shoot cluster base portion incises the management after sawing wound:
1. diabolo saw kerf is not wrapped up, and keeps being unfavorable for the state of wound healing, is conducive to the control of fruit-bearing shoot cluster and the sprouting promoting base portion kryptoblast;
2. when base portion kryptoblast is if any multiple pumping branch, select the branch of 1 portion on the lower side or position, side, the branch that all the other kryptoblast are sprouted is erased;
3. the branch selected and remain uprightly is lured and guide on " raise and lure lead-in wire " of " three lines one sides " or " two lines one sides " posture, allow its shape of being kept upright grow fast;
4. when late June to early July, innovation shoot length reached more than 1 meter then, carry out 60 degree of angle oblique pulls and urge its formation bud, form 1.5 meters then, there is the long fruit branch of axillary bud and new fruit-bearing shoot cluster, to be removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster evens up the position replacing former fruit-bearing shoot cluster in flat frame face;
Then during late June to early July innovation shoot growing way 1 meter of length on the weak side, inadequate, shape of being still kept upright lures and draws, treat winter its branch enrich position carry out in cutting back or heavy cutting back, make the strong branch of its pumping in spring in next year, carry out 60 degree of angles again in late June in next year to early July and skew its formation bud short, form the new fruit-bearing shoot cluster with fruit spur and axillary bud, again by being removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster is evened up the position replacing former fruit-bearing shoot cluster in flat frame face; The incubation time that new fruit-bearing shoot cluster forms needs 1 year or 2 years is sent to from taking out of innovation shoot.
4, the flower and fruit management of former fruit-bearing shoot cluster after incising saw wound: for maintaining the output of former fruit-bearing shoot cluster, after base portion incises saw wound, suitably can stay fruit under guaranteed quality prerequisite, the new fruit-bearing shoot cluster that branch to be updated is cultivated forms rear disposablely to remove more.
Described " three line one sides " or " two line one sides " posture is the flat shed frame type of a kind of new and improved pear tree.Adopt the pear tree of this pergola system to adopt " wide strain narrow row " field planting, seeding row spacing is 4m × 3m.This frame is on the basis of the flat frame of routine, on the inner column of garden, direct motion is to setting up twice iron wire from bottom to up, and form " two line one sides " posture together with flat frame face, namely under frame, direct motion 30cm draws a frame to roll off the production line (" major branch position line "), for major branch location, remove after major branch is added; On frame, 50cm direct motion draws a frame to reach the standard grade (" raising position line "), raising to lure and draw for major branch and fruit-bearing shoot cluster innovation shoot.On frame, 1.6m sets up then formation " the three line one sides " posture of bird prevention net line.The advantage of " three line one sides " or " two line one sides " posture is on the basis in flat frame face, longitudinally add " major branch position line " and " raising position line " two shaping boost lines, be conducive to the maintenance of tip extending head growth potential and the cultivation of fruit-bearing shoot cluster branch, for overcoming, the problem effect that the growth of traditional frame tree-like major branch tip is weak, water sprout is many, yield poorly is obvious, and the simplification tree-like for frame and Labor-saving create condition.
Described " both arms direct motion formula " high 1.2 ~ 1.3m of the tree-like trunk of frame, 2 major branches, non-stop layer is done, major branch base angle is 45 degree, major branch branching-point is about 50cm apart from the vertical range of frame face (height 1.7 ~ 1.8m), the added point of major branch is apart from its branching-point about 70cm, and two major branches are divided right and left, and direct motion is to cultivation.
Practice shows, emerald green hat and Huanghua Pear are under " both arms direct motion formula " novel frame working condition, and the frame face availability of emerald green hat and chrysanthemum improves 14.1% and 17.5%, every 667m respectively
2fruit yield improves 12.6% and 14.7% respectively.
Table 1 frame pear tree fruit-bearing shoot cluster original position upgrades and compares with traditional fruit-bearing shoot cluster update method technical characteristic
Table 2 is incised saw and is hindered method and carve bud method, generally saw the wound situation of method of hindering and comparing of fruit-bearing shoot cluster base portion kryptoblast germination rate
| Method | Object hindered by saw | Wound location | Wound depth | Wound width | Wound length | The wooden stripping situation of wound | Time needed for wound healing | The germination rate (%) of base portion kryptoblast |
| Incise saw and hinder method | Control the growth of former fruit-bearing shoot cluster and promote base portion kryptoblast pumping innovation shoot | On the downside of the back of the body of former fruit-bearing shoot cluster | 1/3 ~ 1/2 of fruit-bearing shoot cluster rugosity, xylem hindered by saw | 1~2cm | The perimeter length of former fruit-bearing shoot cluster diameter 1/3 ~ 1/2 | Peel off, triangular in shapely to incise | 1 ~ 2 year | 96.5 |
| Carve bud method | Promote base portion kryptoblast pumping innovation shoot | On the downside of the back of the body of former fruit-bearing shoot cluster | Only be carved into cut-out cortex | 0.1cm | 1/3 ~ 1/2 girth | Do not peel off | 2 months | 56.8 |
| Method hindered by general saw | Control the growth of former knot branch group | Uncertain | 1/3 of fruit-bearing shoot cluster rugosity | 0.1~0.15cm | The perimeter length of former fruit-bearing shoot cluster diameter 1/3 | Not peeling off, is one saw wound | 2 ~ 3 months | 68.4 |
The frame face availability of table 3 frame pear tree Different Results branch group update method and Yield compari@
Claims (1)
1. the update method of a frame pear tree fruit-bearing shoot cluster, method be fruit-bearing shoot cluster to be updated base portion, incise apart from its branching-point 2 ~ 3cm place, present triangle, the degree of depth is to 1/3 ~ 1/2 of diameter, incising rear fruit-bearing shoot cluster can normal outcome 1 ~ 2 year, this fruit-bearing shoot cluster base portion incise under kryptoblast sprout the branch and cultivate new fruit-bearing shoot cluster as innovation shoot;
, the incubation time of fruit-bearing shoot cluster innovation shoot: when on major branch raw fruit-bearing shoot cluster rugosity exceed 1/3 of major branch rugosity time, carry out incising method saw wound at fruit-bearing shoot cluster base portion, incise when method saw wound is pruned in the winter time and carry out;
, incise method saw wound concrete steps: fruit-bearing shoot cluster the back of the body bottom, apart from its branching-point 2 ~ 3cm place, with pruning saw vertically saw into, the degree of depth is 1/3 ~ 1/2 of fruit-bearing shoot cluster rugosity; Then saw under 1 ~ 2cm place above the first saw kerf, angular slope is to the first saw kerf, and degree of depth saw is to cut-off place of the first saw; Take off triangle wood particle again, form a triangle and incise;
(3), fruit-bearing shoot cluster base portion incises the management after sawing wound:
1. diabolo saw kerf is not wrapped up, and keeps being unfavorable for the state of wound healing, is conducive to the control of fruit-bearing shoot cluster and the sprouting promoting base portion kryptoblast;
2. when base portion kryptoblast is if any multiple pumping branch, select the branch of 1 portion on the lower side or position, side, the branch that all the other kryptoblast are sprouted is erased;
3. the branch selected and remain uprightly is lured and draw, allow its shape of being kept upright grow fast;
4. when late June to early July, innovation shoot length reached more than 1 meter then, carry out base angle 60 degree of angle oblique pulls and urge its formation bud, form 1.5 meters then, there is the long fruit branch of axillary bud and new fruit-bearing shoot cluster, to be removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster evens up the position replacing former fruit-bearing shoot cluster in flat frame face;
When the innovation shoot growing way 1 meter of length on the weak side, inadequate of late June to early July then, shape of being still kept upright lures and draws, treat winter its branch enrich position carry out in cutting back or heavy cutting back, make the strong branch of its pumping in spring in next year, carry out base angle 60 degree of angles again in late June in next year to early July and skew its formation bud short, form the new fruit-bearing shoot cluster with fruit spur and axillary bud, again by being removed by the former fruit-bearing shoot cluster saw incising saw wound during winter pruning, new fruit-bearing shoot cluster is evened up the position replacing former fruit-bearing shoot cluster in flat frame face.
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| CN104365389A (en) * | 2014-12-09 | 2015-02-25 | 河北农业大学 | Method for modifying large fruitless branches by grafting in high-density pear orchard |
| CN110352735A (en) * | 2019-08-15 | 2019-10-22 | 安徽农业大学 | Southern Chinese pear " umbrella room shape " tree structure and its shaping and trimming method and application |
| CN115843603B (en) * | 2022-11-25 | 2023-06-09 | 湖北省农业科学院果树茶叶研究所 | Novel summer branch pulling method for trellis pear tree |
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| CN101836563A (en) * | 2010-03-16 | 2010-09-22 | 江苏丘陵地区镇江农业科学研究所 | Method for reshaping pear trees |
| CN101926276B (en) * | 2010-07-19 | 2011-11-23 | 南京农业大学 | 3+1 tree form of pear tree and shaping method thereof |
| CN102657056B (en) * | 2012-05-23 | 2013-04-10 | 南京农业大学 | Downward-arrowhead-shaped tree shape of pear tree and shaping method for same |
| CN103081676B (en) * | 2013-01-07 | 2014-04-02 | 湖北省农业科学院果树茶叶研究所 | Fast frame-climbing method of shed frame pear tree boughs |
| CN203027840U (en) * | 2013-01-07 | 2013-07-03 | 湖北省农业科学院果树茶叶研究所 | Novel improved flat shed frame for pears |
| CN103053378B (en) * | 2013-01-12 | 2014-03-12 | 湖北省农业科学院果树茶叶研究所 | Shed pear tree fruiting branch group and culturing method thereof |
| CN103430806B (en) * | 2013-09-04 | 2015-02-04 | 镇江万山红遍农业园 | Reshaping and cultivating method of pear tree with single trunk and two main branches |
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