CN109315163A - A kind of method of Chinese Fir Seed Orchards elite stand shortening trimming high yield - Google Patents
A kind of method of Chinese Fir Seed Orchards elite stand shortening trimming high yield Download PDFInfo
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- CN109315163A CN109315163A CN201810148502.7A CN201810148502A CN109315163A CN 109315163 A CN109315163 A CN 109315163A CN 201810148502 A CN201810148502 A CN 201810148502A CN 109315163 A CN109315163 A CN 109315163A
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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
- A01G2/35—Cutting; Inserting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
The invention discloses a kind of methods of Chinese Fir Seed Orchards elite stand shortening trimming high yield, include the steps that the cultivation, grafting, first time truncation, for the first time cutting back to the cutting back of side shoot, second of truncation, second to side shoot, the sizing trimming in later period, tending management of China fir seedling rootstock.The present invention is by carrying out multiple truncation to several years breeder mother trees of Chinese Fir Seed Orchards, to the multiple cutting back of the carry out of major branch and primary lateral branches, effectively control the tree vigo(u)r of breeding garden elite stand, the sprouting of fruitful branch is greatly facilitated, significantly improve the yield and quality of Chinese Fir Seed Orchards seed, promote China fir breeding Rapid Popularization, overcomes the problems such as Chinese Fir Seed Orchards tree body is tall and big, and difficult and seed production of collecting seed is low.
Description
Technical field
The invention belongs to the technical field of cultivation of yielding timber plantationsion, in particular to a kind of Chinese Fir Seed Orchards elite stand shortening trimming is rich
Production method.
Background technique
China fir (Cunninghamia lanceolate (Lamb.) Hook) belongs to Taxodiaceae Cunninghamia, is that the main of China uses material
One of woods tree species, the cultivation history in China are long.Growth of Chinese Fir speed is fast, and material is light, does not scratch and does not split, and stemness is logical straight satisfactory,
Anti- corruption is refused to eat into, economic value with higher.By China in 2014 lanceolata forest area up to 10,960,000 hm2, accumulation 7.26 hundred million
m3, the 6.66% and 4.91% of national main advantage tree species area and accumulation, the work in China's Development of Forestry Industry are accounted for respectively
With holding the balance, it is widely distributed in a provinces and cities more than the ten of the south Chinas such as Fujian, Jiangxi, Hunan, Guangxi, Guizhou, Guangdong.
For woods to plant as this, kind is first with matter.Using excellent propagation material, strong sprout of cultivating fine seed strains is to improve forest felling license and matter
Amount, promotes one of important channel of Development of Forestry Industry.Many results of study show to make using garden seeds nurturing staff
Woods can improve timber yield, improve wood quality, shorten the time limit of becoming a useful person, reduce pest and disease damage, be to realize forest fast growing and excellent
The important means of material of fine quality.Therefore numerous scholars have carried out numerous studies to the afforestation technique and high yield technology of breeding garden, especially
It is to be made great progress in terms of Chinese Fir Seed Orchards operation, has taken the lead in establishing third generation China fir kind in other tree species at present
Sub- garden.However as the increase of Chinese Fir Seed Orchards elite stand age and tree body, breeding garden seed collecting is extremely difficult, often results in cone not
It can harvest completely, especially the high-quality cone of tree crown at the middle and upper levels, seriously affect the yield and quality in breeding garden.How China fir is made
Breeding garden elite stand is downgraded, and further increases breeding garden yield as breeding garden urgent problem to be solved.The country has at present
Person has carried out correlative study in the tree body dwarfing of breeding garden, and achieves certain achievement, but study mainly for masson pine etc.
Other tree species, related Chinese Fir Seed Orchards are downgraded and the research of high yield is rarely reported.Applicant using Young Growth of Chinese Fir as test material,
Have investigated a kind of Chinese Fir Seed Orchards elite stand shortening trimming high yield new method, this method low cost, strong operability, significant effect,
It lays a good foundation for Chinese Fir Seed Orchards high-yield cultivating.
Summary of the invention
In order to overcome Chinese Fir Seed Orchards tree body tall and big, difficult and low seed production problem of collecting seed, the purpose of the present invention is
A kind of Chinese Fir Seed Orchards elite stand shortening trimming high yield method is provided.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of method of Chinese Fir Seed Orchards elite stand shortening trimming high yield, comprising the following steps:
(1) cultivation of China fir seedling rootstock:
By current year, the Chinese fir seeds of acquisition are impregnated in clear water, are then pulled out and are dried, and are uniformly sowed seedling cultivation bed, so
After cover yellow soil, finally cover straw screen or mat and be retained moisturizing, two panels cotyledon to be unearthed raises straw screen or mat, to the progress thinning of overstocked seedling,
It according to the growing state application in time and moisturizing of nursery stock, weeds with a hoe, obtains annual Chinese Fir Seedling；Plant annual Chinese Fir Seedling training
Educate the stock of Grafting Seed Orchard.
(2) it grafts:
The annual Chinese Fir Seedling field planting that selection step (1) obtains, cultivates stock, to stock base diameter it is long by most 2.6~
4.0cm is grafted scion to stock using the engrafting method of cut-grafting；
(3) first time truncation:
It grafting current year, is survived to China fir grafting scion, when nursery stock grows 2~3 wheel branch, 50~60cm of height is set at this time
Skin color is that green is not yet transformed into brown, carries out truncation processing to the central backbone of grafting May current year~October；
(4) for the first time to the cutting back of side shoot:
While the center major branch to China fir grafting carries out truncation, the raw level-one branch of its surrounding is carried out short
It cuts；
(5) second of truncation:
After terminal bud emerges again and grows to 20-30cm, second of truncation processing is carried out to it；
(6) second of cutting back to side shoot:
While the center major branch to China fir grafting carries out second of truncation, the raw fruitful branch of its surrounding is carried out
Cutting back；
(7) the sizing trimming in later period:
After second of truncation, new sturdy center major branch is sprouted on next year China fir top again, using identical truncation
And lateral branch pruning method, it needs to trim within 1 year 2~3 times；
(8) tending management:
In the process for carrying out Chinese Fir Seed Orchards elite stand cutting strunk and cutting back, it is carried out to foster measures of fertilizer.
In the step (1), Chinese fir seeds are impregnated 12~24 hours in 25 DEG C~50 DEG C clear water, the yellow soil covered
With a thickness of 0.5~0.7cm.
In the step (1), thinning is carried out to overstocked seedling, carries out water and fertilizer management, cultivates annual Chinese Fir Seedling for fixed
Anvil.The stock that annual seedling cultivates Grafting Seed Orchard is planted, using big cave site preparation, it is 100cm*100cm* that specification is cheated in cave
80cm, seeding row spacing 3m*3m, uses sufficient base manure, applies 0.5~1.0kg/ plants of biological organic fertilizer in cave bottom, and surface soil is returned after the 30cm of cave again
0.5~1.0kg/ plants of biological organic fertilizer are driven into, then returns cave with surface soil.
In the step (2), when grafting, apart from 10~30cm of ground, scion scarf upper end is higher by the sheared edge of stock
1.0~1.5mm of stock cross section, 40d lightens restrictions on after grafting, wraps up 1 time again from bottom to top again after unbundlings, and spike length waiting to 15~
20cm carries out righting processing to grafting with bamboo pole, prevents from being preced with partially, and 75~85d is unbinded after grafting；
Selecting life in 1 year, 0.7~0.9cm of ground diameter, 45~60cm of height of seedling, the Chinese Fir Seedling of well developed root system does stock, when grafting,
Scion and stock will be cut to put down fastly, and two sections will guarantee completely, and movement is fast when grafting, and bud picking goes to sprout, and it is anti-to reinforce pest and disease damage
It controls and Forest field management, surgeries miscellaneous filling.
In the step (3), the position of first time truncation is away from 1.5~2cm of highest branching-point；
In the step (5), the position of second of truncation is above the wheel branch crotch nearest apart from terminal bud at 1~2cm.
In the step (4), first time cutting back is light cutting back or middle cutting back, and the length of first time cutting back is not to influence surrounding
It is principle that China fir, which carries out photosynthesis, and the adnation position according to branch determines that clip is close to 1.5~2cm of second level branch branching-point；
In the step (6), the length of second of cutting back determines that clip is close to second level according to the adnation position of branch
1.5~2cm of branch branching-point.
In the step (7), respectively in annual June, August, December, continuous 3 years, the control of tree body height 1.8~
2.5m。
In the step (8), breeding garden current year, full shovel was fostered 2 times, and top dressing is twice, more for continuous result, growing way is weak
Single plant, every plant of application 0.5~1.0kg of compound fertilizer；Common single plant applies 0.25~0.3kg/ of compound fertilizer plants every time.
In the step (8), when carrying out cutting strunk to Chinese Fir Seed Orchards elite stand, antecedent basis requirement Chinese fir bark color is
Green or slightly band brown.
In the step (8), compound fertilizer is organic fertilizer: potash fertilizer: the mixture that phosphate fertilizer is 3:2:2 according to mass ratio.
The utility model has the advantages that compared with the prior art, the invention has the following advantages that
1, the high reachable 12~13m of Chinese Fir Seed Orchards elite stand tree of dwarfing is not trimmed in life in 10 years, and passes through the China fir of shortening trimming
The wooden elite stand tree height can be controlled in 1.8~2.5m or so, has effectively downgraded Chinese Fir Seed Orchards elite stand, solves breeding garden and collects seed and is stranded
Difficulty, the problem that cone cannot harvest completely have very important realistic meaning to the management of breeding garden.
2, the Chinese Fir Seed Orchards average product for not trimming dwarfing is 3.0~4.0Kg/ mus, and is easy to appear biennial bearing, knot
Real unstable phenomenon, and the average products of Chinese Fir Seed Orchards is downgraded up to 20.0kg/ mus, than the Chinese fir seeds for not trimming dwarfing
Garden volume increase 400.0%~566.7%, and can accomplish continuous stable yields.The present invention passes through to several years breeder mother trees of Chinese Fir Seed Orchards
Multiple truncation is carried out, to the multiple cutting back of the carry out of major branch and primary lateral branches, the tree vigo(u)r of breeding garden elite stand is effectively controlled, promotees significantly
Into the sprouting of fruitful branch, the yield and quality of Chinese Fir Seed Orchards seed is significantly improved, promotes China fir breeding Rapid Popularization.
3, the application of the technology of the present invention, so that the cone of Chinese Fir Seed Orchards is picked work becomes simple light, greatly reduces
Chinese Fir Seed Orchards seed collecting cost improves Chinese Fir Seed Orchards seed collection rate, while also alleviating forestation of China fir to China fir breeding
Great demand.
Detailed description of the invention
Fig. 1 is low dry grafting schematic diagram；
Fig. 2 is that second of cutting back position is done at China fir center；
Fig. 3 is that China fir trunk color is green；
Fig. 4 is that the green middle band of China fir trunk color is brown；
Fig. 5 is that China fir trunk color is sepia；
Fig. 6 is 3 years raw dwarfing single result figures of China fir；
Fig. 7 is 3 years raw dwarfing China fir per plant situation schematic diagrams；
Fig. 8 is 3 years raw dwarfing breeding garden overall schematics.
Specific embodiment
Further explanation is done to the present invention with reference to the accompanying drawing.
A kind of method of Chinese Fir Seed Orchards elite stand shortening trimming high yield provided by the present invention, comprising the following steps:
(1) cultivation of China fir seedling rootstock:
The excellent Chinese fir seeds of the breediness of current year acquisition are impregnated 12~24 hours in 25 DEG C~50 DEG C clear water, it will
Chinese fir seeds, which are pulled out, dries, and uniformly sows seedling cultivation bed, then covers the yellow soil of 0.5~0.7cm of thickness, finally covering grass
Curtain is retained moisturizing, and two panels cotyledon to be unearthed raises straw screen or mat, carries out thinning to overstocked seedling, timely according to the growing state of nursery stock
Fertilising and moisturizing, weed with a hoe, and promote the growth of nursery stock, cultivate into annual Chinese Fir Seedling.China fir is planted in the one year seedling
The stock for making to graft in breeding garden is cultivated.
Wherein, the excellent Chinese fir seeds of breediness refer to that seed grain is full, and mass of 1000 kernel is big, the high China fir kind of germination percentage
Son.
Wherein, when cultivating stock, using big cave site preparation, it is 100cm*100cm*80cm, seeding row spacing 3m*3m that specification is cheated in cave,
Base manure is used sufficient, applies 0.5~1.0kg/ plants of biological organic fertilizer in cave bottom, surface soil drives into biological organic fertilizer 0.5 after returning cave 30cm again
~1.0kg/ plants, then cave is returned with surface soil.
(2) it grafts:
The annual Chinese Fir Seedling field planting that selection step (1) obtains, cultivates stock, to stock base diameter it is long by most 2.6~
4.0cm is grafted scion to stock using the engrafting method of cut-grafting；The sheared edge of stock is such as schemed apart from 10~30cm of ground
1, scion scarf upper end is higher by 1.0~1.5mm of stock cross section, and 40d lightens restrictions on after grafting, wraps again from bottom to top again after unbundlings
It pricks 1 time, spike length waiting to 15~20cm carries out righting processing to grafting with bamboo pole, prevents from being preced with partially, and 75~85d is most after grafting
It is suitable for unbinding the time；
Wherein, life in 1 year is selected, the Chinese Fir Seedling of 0.7~0.9cm of ground diameter, 45~60cm of height of seedling, well developed root system do stock, transfers
Accomplish to put down when connecing, together, fastly, only, tightly, i.e., scion and stock will cut to put down fastly, must not cut overweight, be slightly less than fringe with xylem
The 1/3 of diameter is deep to be advisable, and two sections will guarantee completely, and movement is fast when grafting, so as not to section water loss influence to graft at
Motility rate, bud picking go to sprout, and reinforce the prevention and control of plant diseases, pest control and Forest field management, surgery miscellaneous filling.
(3) first time truncation:
It grafting current year, is survived to China fir grafting scion, when nursery stock grows 2~3 wheel branch, 50~60cm of height is set at this time
Skin color is that green is not yet transformed into brown, and May current year~October, (China fir shoot sprouts vigorous) was to the central backbone of grafting
Truncation processing is carried out, truncation position is away from 1.5~2cm of highest branching-point.
(4) for the first time to the cutting back of side shoot:
While the center major branch to China fir grafting carries out truncation, the raw level-one branch of its surrounding is carried out short
It cuts, concretely light cutting back or middle cutting back, the length of cutting back carries out photosynthesis as principle, according to tree not influence surrounding China fir
The adnation position of branch determines that clip is close to 1.5~2cm of second level branch branching-point.
(5) second of truncation:
Terminal bud emerges again and grows to 20-30cm, and second of truncation processing is carried out to it, and truncation position is apart from terminal bud
Above nearest wheel branch crotch at 1~2cm, such as Fig. 2, the main apical dominance for inhibiting trunk promotes the sprouting of side shoot, is formed
More fruitful branches；
(6) second of cutting back to side shoot:
While the center major branch to China fir grafting carries out second of truncation, the raw fruitful branch of its surrounding is carried out
The length of cutting back, cutting back determines that clip is close to 1.5~2cm of second level branch branching-point according to the adnation position of branch.
(7) the sizing trimming in later period:
After second of truncation, new sturdy center major branch is sprouted on next year China fir top again, using identical truncation
And lateral branch pruning method, need to trim within 1 year 2~3 times, respectively in annual June, August, December, continuous 3 years, tree body height
It can control in 1.8~2.5m.
(8) tending management:
In the process for carrying out cutting strunk and cutting back to Chinese Fir Seed Orchards elite stand, the measures of fertilizer of fostering to it, seed need to be reinforced
Garden current year, full shovel was fostered 2 times, top dressing twice, the single plant more for continuous result, growing way is weak, every plant of application compound fertilizer 0.5~
1.0kg；Common single plant applies 0.25~0.3kg/ of compound fertilizer plants every time；Compound fertilizer is organic fertilizer: potash fertilizer: phosphate fertilizer is according to mass ratio
The mixture of 3:2:2；
Wherein, to Chinese Fir Seed Orchards elite stand carry out cutting strunk when, antecedent basis require Chinese fir bark color be green or
Slightly band brown, such as Fig. 3 and 4, when bark is transformed into brown, it is bad to trim Dwarf Effect on Dwarf by such as Fig. 5.
Below according to specific embodiment, the present invention will be further described.
Embodiment
A kind of Chinese Fir Seed Orchards elite stand shortening trimming high yield method, test site are Shaoguan City of Guangdong Province Lechang forest farm, packet
Include following steps:
(1) cultivation of China fir seedling rootstock:
The excellent Chinese fir seeds of the breediness of current year acquisition are impregnated 24 hours in 25 DEG C of clear water, Chinese fir seeds are fished out
It dries out, uniformly sows seedling cultivation bed, then cover the yellow soil of thickness about 0.5cm, finally cover straw screen or mat and be retained moisturizing, to
Be unearthed two panels cotyledon, raises straw screen or mat, weeds with a hoe, and carries out thinning to overstocked seedling, cultivates annual seedling, use annual seedling
Stock is made in plantation in breeding garden, that is, determines anvil.The density that nursery stock determines anvil is 3m*3m, and application in time is fostered, and cultivates stock.
(2) it grafts:
The stock for selecting base portion to graft out diameter as 3.0cm or so is grafted scion to anvil using the engrafting method of cut-grafting
On wood, when grafting, notices that scion scarf upper end is higher by stock cross section 1.0mm, and 40d lightens restrictions on after grafting, after unbundlings again from lower and
On wrap up again 1 time, thoroughly unbinded after 80d, when scion bud is long to 20cm, righting processing carried out to China Fir Seedling with bamboo pole；
(3) first time truncation:
Grafting current year, when China fir grafting scion survives, when nursery stock grows 3 wheel branch, bark is not converted into brown at this time, when
Mid-May in year (China fir shoot sprouts vigorous) carries out cutting strunk processing to the central backbone of grafting, and cutting strunk position is away from highest branch
Point about 1.5~2cm.
(4) for the first time to the cutting back of side shoot:
While the center major branch to China fir grafting carries out first time truncation, the raw fruitful branch of its surrounding is carried out
A degree of cutting back, the length of cutting back determines according to the adnation position of branch, and cutting back position is according to the growing state of tree body
Depending on, not influence periphery tree branches photosynthesis and reasonable nutrient distribution itself as principle, retain more results as far as possible
Branch.
(5) second of truncation:
When terminal bud emerges again and grows to 20-30cm, second of truncation processing, such as Fig. 3, cutting back position are carried out to it
It is set to above the wheel branch crotch nearest apart from terminal bud at 1~2cm, such as Fig. 4, the main apical dominance for inhibiting trunk promotes side
The sprouting of branch, forms more fruitful branches.
(6) second of cutting back to side shoot:
While the center major branch to China fir grafting carries out second of truncation, the raw fruitful branch of its surrounding is carried out
The length of cutting back, cutting back determines that clip is close to 1.5~2cm of second level branch branching-point according to the adnation position of branch.
(7) the sizing trimming in later period:
After second of truncation, new sturdy center major branch is sprouted on next year China fir top again, using identical truncation
And lateral branch pruning method, continuous 3 years, tree body height can control in 1.8~2.5m.
(8) tending management:
In the process for carrying out cutting strunk and cutting back to Chinese Fir Seed Orchards elite stand, it should be noted that reinforcement fosters measures of fertilizer to it,
Breeding garden current year, full shovel was fostered 2 times, top dressing twice, single plant increase dose appropriate more for continuous result, that growing way is weak, often
Strain applies compound fertilizer 0.75kg, and common single plant applies compound fertilizer 0.5kg/ plants every time.
Fig. 5-Fig. 6 respectively shows 3 years raw dwarfing single results of China fir, 3 years raw dwarfing China fir per plant situations, three
Breeding garden overall condition is downgraded in year life.The present invention effectively controls the tree vigo(u)r of breeding garden elite stand, and sprouting for fruitful branch is greatly facilitated
Hair significantly improves the yield and quality of Chinese Fir Seed Orchards seed, promotes China fir breeding Rapid Popularization.
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 (10)
1. a kind of method of Chinese Fir Seed Orchards elite stand shortening trimming high yield, it is characterised in that: the following steps are included:
(1) cultivation of China fir seedling rootstock:
By current year, the China fir breeding seed of acquisition impregnates in clear water, then pulls out and dries, and uniformly sows seedling cultivation bed, so
After cover yellow soil, finally cover straw screen or mat and be retained moisturizing, two panels cotyledon to be unearthed raises straw screen or mat, seedling growth to 2-3cm high
When, thinning is carried out to overstocked seedling and is weeded with a hoe according to the growing state application in time and moisturizing of nursery stock, annual China fir is obtained
Wooden seedling；
(2) it grafts:
The annual Chinese Fir Seedling field planting that selection step (1) obtains, cultivates stock, to stock base diameter it is long by most 2.6~
4.0cm is grafted scion to stock using the engrafting method of cut-grafting；
(3) first time truncation:
It grafting current year, is survived to China fir grafting scion, when nursery stock grows 2~3 wheel branch, 50~60cm of height, bark face at this time
Color is that green is not yet transformed into brown, carries out truncation processing to the central backbone of grafting May current year~October；
(4) for the first time to the cutting back of side shoot:
While the center major branch to China fir grafting carries out truncation, cutting back is carried out to the raw level-one branch of its surrounding；
(5) second of truncation:
After terminal bud emerges again and grows to 20-30cm, second of truncation processing is carried out to it；
(6) second of cutting back to side shoot:
While the center major branch to China fir grafting carries out second of truncation, the raw fruitful branch of its surrounding is carried out short
It cuts；
(7) the sizing trimming in later period:
After second of truncation, new sturdy center major branch is sprouted on next year China fir top again, using identical truncation and side
Branch pruning method, needs to trim 2~3 times for 1 year；
(8) tending management:
In the process for carrying out Chinese Fir Seed Orchards elite stand cutting strunk and cutting back, it is carried out to foster measures of fertilizer.
2. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(1) in, Chinese fir seeds are impregnated 12~24 hours in 25 DEG C~50 DEG C clear water, the yellow soil covered with a thickness of 0.5~
0.7cm。
3. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(1) in, thinning is carried out to overstocked seedling, then carries out water and fertilizer management, cultivate annual Chinese Fir Seedling for determining anvil；Anvil is determined using big
Cave site preparation, it is 100cm*100cm*80cm that specification is cheated in cave, and seeding row spacing 3m*3m uses sufficient base manure, applies biological organic fertilizer in cave bottom
0.5~1.0kg/ plants, after surface soil returns cave 30cm, then 0.5~1.0kg/ plants of biological organic fertilizer are applied, then return cave with surface soil.
4. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(2) in, when grafting, the sheared edge of stock apart from 10~30cm of ground, scion scarf upper end be higher by stock cross section 1.0~
1.5mm, 40d lightens restrictions on after grafting, wraps up 1 time again from bottom to top again after unbundlings, and spike length waiting to 15~20cm bamboo pole is to transferring
Seedlings picking carries out righting processing, prevents from being preced with partially and windbreak is disconnected, 75~85d is unbinded after grafting；
Selecting life in 1 year, 0.7~0.9cm of ground diameter, 45~60cm of height of seedling, the Chinese Fir Seedling of well developed root system does stock, when grafting, scion
To cut to put down fastly with stock, two sections will guarantee completely, and movement is fast when grafting, and bud picking goes to sprout, reinforce the prevention and control of plant diseases, pest control and
Forest field management surgeries miscellaneous filling.
5. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(3) in, the position of first time truncation is away from 1.5~2cm of highest branching-point；
In the step (5), the position of second of truncation is above the wheel branch crotch nearest apart from terminal bud at 1~2cm.
6. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(4) in, first time cutting back is light cutting back or middle cutting back, and the length of first time cutting back carries out photosynthesis not influence surrounding China fir
For principle, the adnation position according to branch determines that clip is close to 1.5~2cm of second level branch branching-point；
In the step (6), the length of second of cutting back determines that clip is close to second level branch point according to the adnation position of branch
1.5~2cm of scolus.
7. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(7) in, respectively in annual May~June, August, December, continuous 3 years, tree body height was controlled in 1.8~2.5m.
8. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(8) in, breeding garden current year, full shovel was fostered 2 times, and twice, the single plant more for continuous result, growing way is weak, every plant of application is compound for top dressing
0.5~1.0kg of fertilizer；Common single plant applies 0.25~0.3kg/ of compound fertilizer plants every time.
9. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
(8) in, when carrying out cutting strunk to Chinese Fir Seed Orchards elite stand, it is green or slightly with brown that antecedent basis, which requires Chinese fir bark color,
Color.
10. the method for Chinese Fir Seed Orchards elite stand shortening trimming high yield according to claim 1, it is characterised in that: the step
Suddenly in (8), compound fertilizer is organic fertilizer: potash fertilizer: the mixture that phosphate fertilizer is 3:2:2 according to mass ratio.
Priority Applications (1)
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Cited By (2)
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| CN110476637A (en) * | 2019-06-03 | 2019-11-22 | 广东省林业科学研究院 | A kind of method that quickly breeding China fir produces kind of maternal plant |
| 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 |
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| CN110959397B (en) * | 2019-12-18 | 2021-08-27 | 中国林业科学研究院亚热带林业研究所 | Grafting method of taxus chinensis var mairei and construction method of hybrid seed garden of taxus chinensis var mairei |
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