CN108848986A - A kind of method of wet-land pine tree truncation grafting - Google Patents
A kind of method of wet-land pine tree truncation grafting Download PDFInfo
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- CN108848986A CN108848986A CN201810558758.5A CN201810558758A CN108848986A CN 108848986 A CN108848986 A CN 108848986A CN 201810558758 A CN201810558758 A CN 201810558758A CN 108848986 A CN108848986 A CN 108848986A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/30—Grafting
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Abstract
The present invention provides a kind of methods of wet-land pine tree truncation grafting, belong to grafting trees technical field, the wet-land pine tree truncation engrafting method includes the following steps：1) needle for removing position among wet-land pine tree stock trunk, forms one section of nude trunk, by the nude above trunk truncation of trunk；2) the grafting face of wet-land pine tree stock is selected；3) by the stock after truncation, selective separating exposes forming layer from top to bottom from the grafting face of selection；4) scion is prepared, the forming layer of section and stock is made to coincide；5) the section forming layer of scion lower end is bonded with the forming layer of stock, fixed, bound；6) callus plastics are coated in truncation port；7) it is unbinded after healing, the wet-land pine tree grafted.Engrafting method provided by the invention, 10%~11.3% is improved compared to medulla forming layer rendezvous method survival rate, healing time shortens 14~20 days, and germ infection rate reduces by 4.9%~5.1%, grafting the long rate of rise of scion is the 67%~76% of control group, and windbreak rate reduces by 1.29%~1.3%.
Description
Technical field
The invention belongs to grafting trees technical fields, and in particular to a kind of method of wet-land pine tree truncation grafting.
Background technique
Wet-land pine tree is fast-growing aiphyllium, in south China a large amount of plantations in area.Its not only drought resisting but also waterlogging, resistance to lean, has good
Good adaptability and resistance against disadvantage.Wet-land pine tree tree performance is tall and graceful, Ye Yinnong, and it is also very suitable to make scenic forest and forests for water and soil conservation；Wet-land pine tree
Vigorous and fast-growing, wood increments are big, fast and material of becoming a useful person is good；Wet-land pine tree year pine resin yield is high simultaneously, can resin tapping year it is long, be
Southern region of China rosin acquires important resin tapping tree species, fast because growing, fuel-displaced more, and management is simple, high efficiency, becomes southern ground
The welcome economic tree in area.
Slash Pine Plantations cultivated area is big, but nursery stock used of afforesting is mostly without fine-variety breeding, therefore causes wetland
The situation that loose artificial forest area is big but pine resin yield is not high, be averaged single plant year Gum yield only 2kg or so.Change this status,
There is an urgent need to breed high yield material, High yielding wet-land pine tree breeding, low production forest improvement or newly-built high yield material, High yielding wet-land pine tree people are carried out
Work woods.During wet-land pine tree Breeds resources are collected and keep breeding good characteristic, grafting is a kind of common and important skill
Art means.
Common conifer engrafting method in the prior art is medulla forming layer rendezvous method, bud grafting method and cleft graft.Using
When bud grafting method is grafted, the forming layer of scion and stock forming layer location contacts area are small, healing rate is slow, and grafting part mistake
It is low, easily cause the problem that survival rate is low.The where the shoe pinches of cleft graft are：It on the one hand is scion and the anvil for the thick stem such as being difficult to find
On the other hand wood has that scion is too long, the optimal graftable time is shorter low with survival rate.Medulla forming layer rendezvous method
It is relatively high relative to bud sending and receiving and cleft graft survival rate, it is most common engrafting method, the specific behaviour of the method 80% or so
It is as method：It cuts the scion chosen, retain 8~10 beam needles close to terminal bud, remaining is removed along the needle direction of growth；Then
Knife face is longitudinally cut after cutting the half of its diameter along medulla；Stock plucks all needles of grafting part by upper method, with blade edge
Its forming layer prunes one layer of skin, exposes forming layer, and length is equal with scion notch；By above and below scion and stock notch to just；With
Plastic tape binding tightens sealing grafting part；Scion survives rear stock truncation and is cut into angle along position is survived；Unbundlings.But it uses
This method grafting multiform is at inclined hat, tree-like difference, frangibility；Rate of scionwood utility is not also high；Scion does not have apical dominance before surviving,
It survives slowly, growth is slow.To make scion have apical dominance, scion needs truncation again after surviving, while being preced with partially now for amendment scion
As scion, which needs graft union edge surviving position after surviving, is cut into angle, but aforesaid operations are easy to hurt scion, and to operation side
Method requirement is more stringent, and professional is needed to operate, which not only causes labour cost height also to injure journey to nursery stock
It spends larger.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of unbiased hat phenomenon, healing is fast, growth is rapid and survival rate
High wet-land pine tree truncation engrafting method.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical scheme：
The present invention provides a kind of methods of wet-land pine tree truncation grafting, include the following steps：
1) needle for removing position among wet-land pine tree stock trunk forms the nude trunk that a segment length is 8~12cm, will
The above trunk truncation of nude trunk retains 2~6 side shoots in trunk root or more, obtains truncation stock；The stock trunk
The diameter at intermediate position is 1.3~1.6cm；
2) it selects to be used as grafting without side shoot length originally at the nude trunk of the truncation stock for the one side of 8~12cm
Face；
3) the truncation stock in the step 2) is separated in the grafting face with truncation position crossover location from top to bottom
Cortex exposes forming layer；Lower end retains 1~1.5cm selective separating, prunes extra selective separating；
4) scion is longitudinally cut into formation length along medulla after oblique 25~30 degree of angles incision medulla from from 2~3cm of terminal bud
For the section of 5~10cm, scion lower end is whittled into wedge-shaped section, the forming layer of section and stock is made to coincide；
5) the section forming layer of scion lower end is bonded with the forming layer that stock exposes, fixed, bound；
6) upper and lower ends at the position bound in the step 5) and truncation position apply callus plastics.
Preferably, the wet-land pine tree stock in the step 1) is life in 1.5~2 years, and the height of the scapus of wet-land pine tree stock exists
More than 1.2m.
Preferably, the scion in the step 4) be the length of wet-land pine tree elite stand tree crown periphery current-year branch be 8~
The semi-lignified bud top of 15cm.
Preferably, bud top top shading hydrous material covering after acquisition, base portion immersion.
Preferably, the scion in the step 4) retains 10~20 beam needles close to terminal bud.
Preferably, prevent scion from sliding up and down in fitting in the step 5).
Preferably, the wet-land pine tree after binding is released to binding after 40~50 days.
Preferably, the period of the grafting is early April to late May.
Preferably, the grafting is carried out in fine day.
The present invention provides a kind of methods of wet-land pine tree truncation grafting, include the following steps：
1) needle for removing position among wet-land pine tree stock trunk forms the nude trunk that a segment length is 8~12cm, will
The above trunk truncation of nude trunk；2) the grafting face of wet-land pine tree stock is selected；3) by the stock after truncation from truncation position
Grafting face place selective separating from top to bottom, expose forming layer；4) scion is prepared, the forming layer of section and stock is made to coincide；5)
The forming layer of end grain under scion is bonded with the forming layer that stock exposes, fixes, bind, applying callus plastics, is grafted
Wet-land pine tree.Engrafting method provided by the invention carries out truncation before grafting, and scion apical dominance is obvious, is formed simultaneously layer and connects
Contacting surface product is big, and average increment is high, and growth is fast, will not be inclined outwardly, and is not easy windbreak, and easy infection healing is not fast for graft union, survives
Rate is high.Engrafting method provided by the invention improves 10%~11.3%, while institute compared to medulla forming layer rendezvous method survival rate
Stating engrafting method makes healing time shorten 14~20 days, and germ infection rate reduces by 4.9%~5.1%, and grafting scion is long to increase speed
Rate is the 67%~76% of control group, and windbreak rate reduces by 1.29%~1.3%.
Meanwhile operation of the present invention is simple, stock cutting depth is easily mastered, and can be realized 200 plants for each person every day after skilled and be transferred
Connect workload；Cut anvil number can be reduced after grafting survival, convenient for management, can reduce reduces labour cost.
Figure of description
Fig. 1 is the wet-land pine tree not unbinded after the truncation grafting that the application uses survives；
Fig. 2 is the wet-land pine tree unbinded after the truncation grafting that the application uses survives；
Fig. 3 is the wet-land pine tree not unbinded after the medulla forming layer rendezvous method that control group uses survives；
Fig. 4 is the wet-land pine tree unbinded after the medulla forming layer rendezvous method that control group uses survives；
(left figure is the side of truncation grafting to the growing state of wet-land pine tree in Fig. 5 when Fig. 5 is 9 months after distinct methods are grafted
Method, right figure are medulla forming layer rendezvous method).
Specific embodiment
The present invention provides a kind of methods of wet-land pine tree truncation grafting, include the following steps：
1) needle for removing position among wet-land pine tree stock trunk forms the nude trunk that a segment length is 8~12cm, will
The above trunk truncation of nude trunk retains 2~6 side shoots in trunk root or more, obtains truncation stock；The stock trunk
The diameter at intermediate position is 1.3~1.6cm；
2) it selects to be used as grafting without side shoot length originally at the nude trunk of the truncation stock for the one side of 8~12cm
Face；
3) the truncation stock in the step 2) is separated in the grafting face with truncation position crossover location from top to bottom
Cortex exposes forming layer；Lower end retains 1~1.5cm selective separating, prunes extra selective separating；
4) scion is longitudinally cut into formation length along medulla after oblique 25~30 degree of angles incision medulla from from 2~3cm of terminal bud
For the section of 5~10cm, scion lower end is whittled into wedge-shaped section, the forming layer of section and stock is made to coincide；
5) the section forming layer of scion lower end is bonded with the forming layer that stock exposes, fixed, bound；
6) upper and lower ends at the position bound in the step 5) and truncation position apply callus plastics.
In the present invention, the period of the grafting is preferably early April to late May, more preferably on late April to May
Ten days.In the present invention, grafting avoids carrying out after rainy day or rain, preferably carries out in fine day.
The present invention removes the needle at position among wet-land pine tree stock trunk, forms the nude tree that a segment length is 8~12cm
It is dry, by the nude above trunk truncation of trunk, retains 2~6 side shoots in trunk root or more, obtain truncation stock；The anvil
The diameter at position is 1.3~1.6cm among the wooden trunk.
In the present invention, the wet-land pine tree stock be preferably life in 1.5~2 years, scapus 1.2cm or more wetland loosely anvil
Wood.
In the present invention, the length of the nude trunk is preferably 10cm.The diameter at position is preferred among the nude trunk
For 1.5cm.
The present invention retains 2~6 side shoots in trunk root or more, preferably retains 4.Retain 2~6 sides in trunk root or more
Trees survive after branch can guarantee grafting.
The present invention is not particularly limited the mode for removing needle, using conventional method in that art.The present invention
Needle is extractd using along the direction of growth in embodiment.
The present invention is not particularly limited the mode of the truncation, using this field usual manner.The present invention is implemented
It is wiped out in example using secateurs knife.
After obtaining truncation stock, the present invention select at the nude trunk of the truncation stock originally without side shoot length for 8~
The one side of 12cm is as grafting face.It is also shaved when due to cutting side shoot with position area forming layer, forming layer area is small, is unfavorable for
Scion survives, and does not need the one side without side shoot among the trunk of wet-land pine tree stock to cut side shoot as grafting face in the present invention, with
Forming layer contact area is big, and bevel is more smooth when being conducive to scion and survive, while pruning cortex, and more laborsaving, not rapid wear
Hurt the forming layer of other areas.
Truncation stock in the grafting face and truncation position crossover location selective separating from top to bottom, is exposed shape by the present invention
Stratification；Lower end retains 1~1.5cm selective separating, prunes extra selective separating.
The present invention longitudinally cuts scion to be formed along medulla from from 2~3cm of terminal bud after oblique 25~30 degree of angles incision medulla
The length of section, section is 5~10cm, and scion lower end is whittled into wedge-shaped section, and the forming layer of section and stock is made to coincide.
In the present invention, the length of the section is 5~10cm, preferably 8cm.
In the present invention, the scion is preferably that the length of wet-land pine tree elite stand tree crown periphery current-year branch is 8~15cm
Half wooden bud top, the bud top of more preferably 10~13cm, the bud top of most preferably 11cm.The wet-land pine tree elite stand is preferably the age of tree
In 10~25 years, year Gum yield be preferably 10.63~40.5Kg, trunk it is logical it is straight, tree crown development is well-balanced, self-pruning is good, and
The wet-land pine tree of no disease and pests harm and mechanical damage.After acquiring scion, the present invention is preferably by the aqueous material of top shading of the scion
Material covering, base portion are submerged in water.The hydrous material is preferably wet towel.Submerged in water highly preferred of the base portion be
1~2.5cm, more preferably 1.5cm.The shading hydrous material covering of scion top after acquisition, base portion are immersed in by the present invention
Scion can be prevented to be dehydrated in water, and then the survival rate of grafting can be improved.
In the present invention, the scion preferably retains 10~20 beam needles close to terminal bud, more preferably 15 beam needles.It will connect
Fringe retains 10~20 beam needles close to terminal bud, it is possible to reduce the water loss of fringe bar transpiration is too fast after shearing and can keep institute
Photosynthesis is needed, graft survival rate is improved.
The wedge-shaped section of scion lower end is bonded with the forming layer of stock, fixes, binds by the present invention, the wetland grafted
Pine.
In the present invention, when fitting, is preferably prevented from scion and slides up and down, after the secretion of fringe bar section rosin
Sliding, which forms rosin film, influences the forming layer fitting of fringe bar forming layer and stock.By the forming layer of end grain under scion and stock
After forming layer fitting, the present invention is fixed, binds.The mode of the binding preferably uses binding strap to bind from bottom to top,
Until the complete Bao Yan of notch.The binding strap is preferably plastic film tape.
In the present invention, after binding, the present invention applies callus plastics in the upper and lower ends at binding position and truncation position.Institute
Stating callus plastics is preferably that state's light is muddled.Applying callus plastics can protect wound, promote healing.
In the present invention, preferably stock elder generation truncation, selective separating expose forming layer, cut fringe again in carrying out grafting procedures, entirely
Journey should not stop rapidly, influence forming layer fitting to reduce wound rosin, and then improve the speed of wound healing.
After the wet-land pine tree grafted, the present invention is released and is bound preferably after grafting 40~50 days, and more preferably 50 days.
Binding is released, the constraint to loose stock can be released, is conducive to loose stock free growth.
Below in conjunction with the embodiment in the present invention, the technical solution in the present invention is clearly and completely described.It is aobvious
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
This test is carried out in Jiangxi Ji'an City Jishui County.On April 3rd, 2015 carries out in Jishui County net effluent library hill
Grafting, the acquisition age of tree are 10 years, and the average annual rouge that produces is in 12.45Kg or more, and trunk is logical straight, and tree crown development is well-balanced, and without parasitosis evil and
The length of the branch of the elite stand tree crown top peripheral current year life of mechanical damage is the bud top of 8cm as scion.By the top of scion
It is covered with wet towel, base portion is immersed in spare in the water that depth is 1.5cm.
Life in 1.5~2 years is selected, wetland of the scapus in 1.2cm or more is loosely used as loose stock to be grafted for 1000 plants of stock.Clearly
Except the needle at position among wet-land pine tree stock trunk, one section of nude trunk is formed, selects on nude trunk originally not no side shoot
Length 12cm one side as grafting face；By trunk truncation more than nude trunk, truncation stock is obtained, then by truncation stock
In truncation position and face intersection location selective separating from the top down is grafted, exposes forming layer.
Scion retains 20 beam needle of terminal bud, and longitudinally cutting formation length along medulla after scion is chamfer medulla from lower end is
The section of 10cm makes the forming layer of section and stock coincide, scion tail end is whittled into wedge-shaped section.By the section shape of scion lower end
Stratification is bonded with the forming layer of stock, fixes, being bound from bottom to top with plastic film tape, until the complete Bao Yan of notch.It is tying up
The upper and lower ends and truncation position for pricking position coat that state light is muddled, and wet-land pine tree result at 40 days after observation grafting is as shown in Figure 1.
As seen from Figure 1, using engrafting method provided by the invention, graft stock is survived, and scion growth is fast, and apical dominance is obvious.
The plastic film tape for releasing binding at 40 days simultaneously, grows wet-land pine tree naturally, and observes the wetland of the wet-land pine tree after unbundlings
Untwisting fruit is as shown in Figure 2.As seen from Figure 2, using interconnection method provided by the invention, trunk is logical straight after unbundlings, unbiased hat
Phenomenon.
Embodiment 2
This test is carried out in Jiangxi Ji'an City Taihe County.On May 22nd, 2015 remembers that forest farm is transferred in Taihe County hundred
It connects, the acquisition age of tree is 25 years, and the average annual rouge that produces is in 28.24Kg or more, and trunk is logical straight, and tree crown development is well-balanced, and without parasitosis evil and machine
The length of the branch of the elite stand tree crown top peripheral current year life of tool damage is the bud top of 15cm as scion.The top of scion is used
Wet towel covering, base portion are immersed in spare in the water that depth is 2cm.
Life in 1.5~2 years is selected, wetland of the scapus in 1.2cm or more is loosely used as loose stock to be grafted for 1000 plants of stock.Clearly
Except the needle at position among wet-land pine tree stock trunk, one section of nude trunk is formed, is selected originally long without side shoot on nude trunk
The one side in 8cm is spent as grafting face；By trunk truncation more than nude trunk, stock after obtaining truncation, then by truncation anvil
Wood is in truncation position and grafts face intersection location selective separating from the top down, exposes forming layer.
The section that formation length is 5cm is longitudinally cut after scion is chamfer medulla from lower end along medulla, makes section and anvil
The forming layer of wood coincide, and scion tail end is whittled into wedge-shaped section, scion retains 10 beam needle of terminal bud.By the section shape of scion lower end
Stratification is bonded with the forming layer of stock, fixes, being bound from bottom to top with plastic film tape, until the complete Bao Yan of notch.It is tying up
The upper and lower ends and truncation position for pricking position coat state's light muddle, and the plastic film tape of binding is released after 50 days.
Embodiment 3
This test is carried out in Ji'an City Anfu County of Jiangxi Province.On April 30th, 2015 is in Anfu County north Huashan forest farm fourth
Family's branch grafting, the acquisition age of tree are 17 years, and the average annual rouge that produces is in 22.5Kg or more, and trunk is logical straight, and tree crown development is well-balanced, and without parasitosis
The length of the branch of harmful and mechanical damage elite stand tree crown top peripheral current year life is the bud top of 11cm as scion.By scion
Top is covered with wet towel, and base portion is immersed in spare in the water that depth is 2.5cm.
Life in 1.5~2 years is selected, wetland of the scapus in 1.2cm or more is loosely used as loose stock to be grafted for 1000 plants of stock.Clearly
Except the needle and/or side shoot at position among wet-land pine tree stock trunk, one section of nude trunk is formed, selects not having originally on nude trunk
There is one side of the length of side shoot or side shoot in 10cm as grafting face；By trunk truncation more than nude trunk, after obtaining truncation
Stock, then truncation stock is exposed into forming layer in truncation position and grafting face intersection location selective separating from the top down.
The section that formation length is 8cm is longitudinally cut after scion is chamfer medulla from lower end along medulla, makes section and anvil
The forming layer of wood coincide, and scion tail end is whittled into wedge-shaped section, scion retains 15 beam needle of terminal bud.By the section shape of scion lower end
Stratification is bonded with the forming layer of stock, fixes, being bound from bottom to top with plastic film tape, until the complete Bao Yan of notch.It is tying up
The upper and lower ends and truncation position for pricking position coat state's light muddle, and the plastic film tape of binding is released after 45 days.
Embodiment 4
Using Examples 1 to 3 as experimental group, with medulla forming layer rendezvous method as a control group 1 (at grafting binding 40 days
The growing state of wet-land pine tree is observed, concrete outcome using medulla forming layer rendezvous method as shown in figure 3, as seen from Figure 3, transfer
It connects, scion growth is slower, and releases binding after binding 60 days, observes the growing state of wet-land pine tree, concrete outcome such as Fig. 4 institute
Show, as seen from Figure 4, form inclined hat using trees after the grafting of medulla forming layer rendezvous method), after docking 9 months, see again
The growing state of the wet-land pine tree of experimental group and control group is examined, concrete outcome is as shown in figure 5, as seen from Figure 5, the present invention provides
Method, the stem of wet-land pine tree is high, stem thickness is above the wet-land pine tree after the grafting of medulla forming layer rendezvous method, shows the docking of the application
Growth of Pinus elliottii speed is fast after method grafting.It is wet after measure and calculation experimental group and control group are grafted respectively after grafting 7 months
Healing time, germ infection rate and grafting scion are long after the survival rate of ground pine, grafting, and count the windbreak rate in unbundlings 1 year.Tool
The results are shown in Table 1 for body.
By table 1 it can be concluded that, engrafting method provided by the invention, compared to control group survival rate improve 10%~
11.3%, healing time shortens 14~20 days, and germ infection rate reduces by 4.9%~5.1%, and the grafting long rate of rise of scion is pair
According to the 67%~76% of group, windbreak rate reduces by 1.29%~1.3%, and truncation grafting provided by the invention can be improved and survive
Rate, the healing time after grafting is short, and infection rate is low, and grafting scion growth is fast, and windbreak rate is low.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of method of wet-land pine tree truncation grafting, includes the following steps：
1) needle for removing position among wet-land pine tree stock trunk forms the nude trunk that a segment length is 8~12cm, will be described
The nude above trunk truncation of trunk retains 2~6 side shoots in trunk root or more, obtains truncation stock；Among the stock trunk
The diameter at position is 1.3~1.6cm；
2) select at the nude trunk of the truncation stock originally without side shoot length for 8~12cm one side as grafting face；
3) by the truncation stock in the step 2) in the grafting face and truncation position crossover location selective separating from top to bottom,
Expose forming layer；Lower end retains 1~1.5cm selective separating, prunes extra selective separating；
4) scion is longitudinally cut after oblique 25~30 degree of angles incision medulla along medulla from from 2~3cm of terminal bud formation length be 5~
Scion lower end is whittled into wedge-shaped section by the section of 10cm, and the forming layer of section and stock is made to coincide；
5) the section forming layer of scion lower end is bonded with the forming layer that stock exposes, fixed, bound；
6) upper and lower ends at binding position and truncation position apply callus plastics in the step 5).
2. the method for truncation according to claim 1 grafting, which is characterized in that the wet-land pine tree stock in the step 1) is
Life in 1.5~2 years, the height of the scapus of wet-land pine tree stock is in 1.2m or more.
3. the method for truncation grafting according to claim 1, which is characterized in that the scion in the step 4) is wet-land pine tree
The length of elite stand tree crown periphery current-year branch is the semi-lignified bud top of 8~15cm.
4. the method for truncation grafting according to claim 3, which is characterized in that top is shaded after acquisition on the bud top
Hydrous material covering, base portion immersion.
5. the method for truncation grafting according to claim 1 or 3, which is characterized in that the scion in the step 4) retains
Close to 10~20 beam needles of terminal bud.
6. the method that truncation according to claim 1 is grafted, which is characterized in that prevented in the step 5) in fitting
Scion is slided up and down.
7. the method that truncation according to claim 1 or 6 is grafted, which is characterized in that by the wet-land pine tree after binding 40~
Binding is released after 50 days.
8. truncation described according to claim 1~4 and 6 any one grafting method, which is characterized in that the grafting when
Phase is early April to late May.
9. the method for truncation grafting according to claim 8, which is characterized in that the grafting is carried out in fine day.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113597955A (en) * | 2021-08-09 | 2021-11-05 | 中国林业科学研究院亚热带林业研究所 | Method for high-quality and high-yield of slash pine seed orchard |
| CN115004957A (en) * | 2021-12-28 | 2022-09-06 | 江西环境工程职业学院 | Method for correcting and growing crowns of vine akebia stems |
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