CN106212058A - A kind of propagation by grafiting method of Michelia shiluensis - Google Patents
A kind of propagation by grafiting method of Michelia shiluensis Download PDFInfo
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- CN106212058A CN106212058A CN201610615493.9A CN201610615493A CN106212058A CN 106212058 A CN106212058 A CN 106212058A CN 201610615493 A CN201610615493 A CN 201610615493A CN 106212058 A CN106212058 A CN 106212058A
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- michelia
- grafting
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- shiluensis
- propagation
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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
- A01G2/00—Vegetative propagation
- A01G2/30—Grafting
Abstract
The present invention relates to a kind of propagation by grafiting method of Michelia shiluensis, by graft stock selection, the collection of fringe bar, grafting time, method and managing after grafting stimulation optimization, with yellow orchid, Michelia maudiae, Michelia chapensis and michelia macclurei as stock, the well-developed branch of Michelia shiluensis bearing tree body is scion, at December to February, cut-grafting method is used to carry out grafting, water control pipe reason 15d after grafting, treat that branch is sprouted in scion long to about 15cm, move to open air from greenhouse or remove Small plastic shed, strengthening water and fertilizer management, once, dose nursery stock routinely manages general 15d sealing fertilizer.It is the most rare that this invention overcomes the existing elite stand of Michelia shiluensis, seed is deficient, the seedling-wood breeding technical problems such as germinating to seedling rate is low and propagation by grafiting is difficult, it is provided that a kind of stock abundance, a kind of Michelia shiluensis heteroplastic grafting propagation method that graft technology is stable, graft survival rate is high and seedling is fast.Can the seedling of Fast-propagation Michelia shiluensis all size, for rescue, protection with efficiently utilize this Precious, Rare, Endangered Drymotaenium miyoshianum (Mak.) Mak. germ plasm resource of Michelia shiluensis to provide technical support.There is important research be worth and broad prospect of application.
Description
Technical field
The invention belongs to plant seedling reproduction technique field, particularly relate to a kind of propagation by grafiting method of Michelia shiluensis.
Background technology
Michelia shiluensis (Michelia shiluensis Chun et Y.F.Wu) is subordinate to Magnoliaceae Michelia, evergreen Qiao
Wood, up to 20m, the diameter of a cross-section of a tree trunk 1.3 meters above the ground reaches 60cm.Logical straight, the tree crown broadness grace of this seeds trunk；The narrow oval shape of terminal bud, by dense orange
Color or Lycoperdon polymorphum Vitt glossy thin,tough silk hair.Sprig, leaf two sides, petiole, bennet are all without hair.Leaf keratin, the hardest, the shape of falling ovum Long Circle, long
8-14cm, wide 4-7cm, the blunt circle of tip, have a short point, base portion wedge shape or wide wedge shape, above bottle green, lower flour is green；Petiole is long
1-3cm, the wide ditch of tool, without stipule trace.Spend fragrance, single leave axil, milky, cup-shaped, 9 pieces of perianth, oval, long 3-
4.5cm, wide 1.5-2.5cm；Filigree is red；The long 4-5cm of aggregate fruit.The month at florescence 4-5, as proper in cultivation, JIUYUE is bloomed once again.
Michelia shiluensis is flourishing, spends fragrance beautiful, is rare excellent landscaping seeds.Its timber is hard, indeformable, is difficult to out
Split, free from insect pests, be again high quality timber seeds.
Michelia shiluensis is the most sporadicly distributed in that Hainan stone is commonplace and Guangdong spring, is born in the evergreen broad-leaved of height above sea level 200-1500m
Lin Zhong.Owing to excessively developing and the destruction of ecological environment, current wild big tree is few.For the peculiar critically endangered kind of China, country
Two grades of focused protections, World Conservation Union (IUCN) protected trees.
Michelia shiluensis Wild ornamental resources is most deficient, and under naturalness, growing environment is very big on plant blossom impact,
Under appropraite condition, plant can bloom every year, but due to the colony plant reason such as very little, the most only bloom but not result or
Result but seldom have seed, therefore mature seed yield is few；Simultaneously because it spends fragrance, open and often eaten gynoecium by lnsect bite
Group, spontaneous pollination setting percentage is extremely low, affects natural regeneration.Even if additionally there being a small amount of seed maturity, big because of tree height again, seed collecting pole
Its difficulty.Domestic person skilled also explores Michelia shiluensis reproduction technique, such as seminal propagation, but owing to resource is few, in addition
Germinateing difficult, the method is difficult to for producing；Magnoliacea plant cottage propagation has a reported success, but the elite stand age should 3 years with
In, preferably no more than 5 years, and Michelia shiluensis was difficult to find big tree in original producton location, did not more have the seedling of natural regeneration, and strange land preserves
Mostly be the big tree preserved in one's early years by grafting, be unsuitable for doing cottage propagation, therefore current cuttage technique have no report；Propagation by grafiting
Though there being a small amount of report, but graft stock single (Huang Lan), sport technique segment is immature, graft survival rate is low and unstable.The present invention
On the basis of systematic study, filter out the stock kind that graft compatibility is strong, graft survival rate is high, be suitable to zones of different cultivation
Class；Use different size stock grafting, cultivate the nursery stock of different size, be suitable for scale seeling industry, be Michelia shiluensis kind matter
The important technology approach that protection of resources and initiative utilize.
Michelia shiluensis efficient grafting and breeding technical system has no that report, the present invention are to propose based under this technical background at present
's.
Due to Michelia shiluensis this anvil scarcity of resources, to this end, the stock screening of heteroplastic grafting and the optimization of engrafting method, efficiently
The scientific meaning stablizing the foundation of propagation by grafiting technical system is great.The present invention, with abundance, is suitable to the yellow blue of south growth
The wide Michelia maudiae of (Michelia champaca L.) and Bioclimatic analysis (Michelia maudiae Dunn,
J.linn.Soc.Bot.), Michelia chapensis (Michelia chapensis Dandy, J.Bot.), michelia macclurei (Michelia
Macclurei Dandy, J.Bot.) it is graft stock, cultivated and selection, the collection of fringe bar, grafting time, grafting side by stock
Method and the technology essential factor optimization such as management after connecing, it is provided that a kind of stock abundance, graft technology is stable, graft survival rate is high and
Seedling is fast, grafting Bioclimatic analysis wide, be suitable to the Michelia shiluensis propagation by grafiting method of biological control, can Fast-propagation stone is commonplace contains
Laugh at the seedling of all size, for rescue, protect and efficiently utilize this Precious, Rare, Endangered Drymotaenium miyoshianum (Mak.) Mak. germ plasm resource of Michelia shiluensis to provide skill
Art supports.There is important research be worth and broad prospect of application.
Summary of the invention
It is an object of the invention to for Michelia shiluensis this anvil scarcity of resources, current graft stock single (Huang Lan), technology ring
Save immature, graft survival rate is low and the key technical problems such as instability, it is provided that a kind of propagation by grafiting method of stability and high efficiency, should
Method has that stock affinity is good, graft survival rate is high, growth promoter is healthy and strong, grafting Bioclimatic analysis is wide, it is numerous to be suitable to scale
The feature such as grow.For reaching above-mentioned purpose, present invention employs techniques below scheme:
(1) graft stock Tree Species Selection: select yellow blue (Michelia champaca L.), the Michelia maudiae of Michelia
(Michelia maudiae Dunn, J.linn.Soc.Bot.), Michelia chapensis (Michelia chapensis Dandy,
J.Bot.), michelia macclurei (Michelia macclurei Dandy, J.Bot.) is graft stock.(2) grafting time: select
Carry out in the basic dwell time of seedling growth (December-February), during grafting, select sunny cloudy weather.
(3) scion collection: before grafting, gather periphery, Michelia shiluensis elite stand middle and upper part robust growth, physically well develop, branch leads to
Directly, axillalry bud is full, give birth to lignifying branch then without pest and disease damage.The branch of excessive growth, thin and delicate branch graft survival rate are low, should not make scion.
Scion acquisition time is preferably early morning and dusk.Fringe bar typically with adopt with.As transported for long-distance, available wet toilet paper or wet hair
Towel wrapping fringe bar base portion, loads plastic bag, with bubble chamber moisturizing cooling transport.
(4) engrafting method: use cut-grafting method.Grafting specifically comprises the following steps that
(5) Seedling anvil control water: preparing 3-5d before grafting, Seedling anvil carries out water control pipe reason.
(6) disconnected anvil cuts anvil: from the nursery stock of step (1), growth selection is healthy and strong, and form is logical straight, footpath, the ground above nursery stock of 2.0cm
As stock, cutting off (or sawed-off) at nursery stock root footpath 20-30cm leaving, selection even surface is from otch down flat-cut stock, deeply
Degree 1.0-1.5cm, standby.
(7) cut fringe cutting: select from the scion that step (3) gathers, remove all blades on branch during grafting, use grafting
Cutter is in the side, lower section two of bud respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, and bevel requires smooth；Each scion retains
1-2 bud, by the stock flat-cut mouth of the scion inserting step (6) cut.
(8) wrapping: plastics antistaling film is cut into the binder that width is 1.5-2.0cm, by close to above-mentioned scion and stock
Closure is wrapped up in.
(9) rainproof: the nursery stock grafted is placed on greenhouse, or concentration is placed in seedbed, the bamboo chip of long about the 3.0m of external
Or reinforcing bar (being conveniently used for multiple times) curves arch, insert both sides, seedbed and form Small plastic shed, bamboo chip or bar spacing be 1.0～
1.5m, arch cover central authorities high 0.6～0.8m are advisable, then rainproof at arched shed rack upper cover thin film.
(10) bud picking removes tiller: in order to ensure moisture and the nutrient supply of scion bud, in time stock should be carried out bud picking and remove
Tiller works.
(11) water control pipe reason is carried out before sprouting branch to scion after grafting.Owing to scion sprouts branch growth speed soon, treat that branch is sprouted in scion
Length, to about 15cm, moves to open air or removes Small plastic shed from greenhouse, strengthens water and fertilizer management, and general 15d sealing fertilizer once, applies fertilizer
Measure nursery stock management routinely.
The invention has the beneficial effects as follows:
(1) yellow blue (Michelia champaca L.), Michelia maudiae (the Michelia maudiae of Michelia are selected
Dunn, J.linn.Soc.Bot.), Michelia chapensis (Michelia chapensis Dandy, J.Bot.), michelia macclurei
(Michelia macclurei Dandy, J.Bot.) is graft stock, has good affinity good.(2) Seedling anvil control before grafting
Water management 3-5d, solves the problem that bleeding is too much.
(3) place greenhouse after grafting or build plastic sheeting Small plastic shed and carry out rainproof, solving grafting because under open air
Rain causes rotten anvil, splits the problems such as anvil.
(4) easily grow rudiment on graft stock, erase at any time, it is ensured that the moisture of scion bud and nutrient supply, improve
Graft survival rate.
(5), in the present invention, yellow blue (Michelia champaca L.), the Michelia maudiae (Michelia of Michelia is selected
Maudiae Dunn, J.linn.Soc.Bot.), Michelia chapensis (Michelia chapensis
Dandy, J.Bot.), michelia macclurei (Michelia macclurei Dandy, J.Bot.) be graft stock, stone
Commonplace with a smile the most then lignifying branch be scion, use cut-grafting method in the 12-2 month, with plastics antistaling film bar bondage, and add a cover anti-
Rain material, timely bud picking removes tiller and ties up support with holding up, and graft survival rate can reach more than 95%；When footpath, stock ground reaches for about 2cm,
Scion sprouts branch height increament then up to more than 1.0m；When stock ground footpath reach 3cm time, scion sprout branch height increament then up to
More than 2.0m.The method is easy and simple to handle, and grafting efficiency is high, and graft compatibility is strong simultaneously, and interface heals, and growth is fast.By greatly
Anvil grafting, can yield positive results plant by quickly breeding；By variety classes, the propagation by grafiting of specification stock, cultivate and be suitable to difference
The nursery stock of all size of region growing.Can be that China Michelia shiluensis germ plasm resource unit place of production or allopatric protection and efficiently utilizing carries
For technical support, there are the most great Research Significance and wide application prospect.
Accompanying drawing explanation
Fig. 1 is that stock is cultivated and selects
Fig. 2 is grafting (cut-grafting method)
Fig. 3 is for building Small plastic shed rainwater-proof
Fig. 4 is that scion starts to sprout
Fig. 5 is grafting rudiment in 3 months
Fig. 6 is batch propagation by grafiting
Fig. 7 is 1 year nursery stock of grafting
Fig. 8 is slightly to sprout in the Second Year spring
Fig. 9 be Michelia maudiae be stock grafting effect
Figure 10 be Michelia chapensis be stock grafting effect
Figure 11 be michelia macclurei be stock grafting effect
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.The routine experimentation personnel of described technical field according to above present disclosure and the taken scope of each parameter,
Realize the purpose of the present invention.The experimental technique of unreceipted actual conditions in the following example, generally according to normal condition.
Embodiment one: application this method is carried out in Guangzhou, Guangdong Agricultural University Of South China research and teaching base, selects Huang
Orchid makees stock, and Michelia shiluensis is given birth to lignifying branch then and made scion.It is embodied as step as follows:
(1) graft stock selects: selectively footpath 3.0-4.0cm, robust growth, and form leads to straight yellow blue container seedling.(2) transfer
Connect the time: the sunny cloudy weather on the 20-2 month in January 20 carries out grafting.Before grafting, 5d carries out water control pipe reason to stock.
(3) scion collection and process: gather middle and upper part robust growth from the Michelia shiluensis elite stand introduced a fine variety, axillalry bud is satisfied
Full, give birth to lignifying branch then without pest and disease damage.Long 8-20cm, rugosity 0.6-1.0cm are advisable.
(4) engrafting method: use cut-grafting method.Cut off away from the 20-30cm of footpath from root stock Huang is blue, clean tangent plane,
From tangent plane down flat-cut degree of depth 1.0-1.5cm.Take 1-2 the bud branch section of band on scion branch, remove blade, with grafting knife at bud
Side, lower section two respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, stock otch is opened gently, the scion that will cut
Insert in stock flat-cut mouth；With the plastics antistaling film binder that width is 1.5-2.0cm, by airtight to scion and stock parcel.
(5) managing after grafting: concentrated by the nursery stock grafted and be placed in seedbed, the reinforcing bar of the long 3.0m of external is (the most repeatedly
Use) curve arch, to insert both sides, seedbed and form Small plastic shed, bar spacing is 1.0-1.5m, and the high 0.6-0.8m of arch cover central authorities is
Preferably, then rainproof at arched shed rack upper cover thin film.Water control pipe reason about 15d is carried out after grafting.
1. check survival rate: 20-30d after grafting, check graft survival rate.All scion keep fresh, and sprout is full swollen
Sprout greatly or, grafting survival is described.If sprout shrinkage is dried up, non-grafting survival is described, should mend in time and connect.
2. bud picking removes tiller: stock carries out bud picking in time and except tiller works after grafting.
3. treat that branch is sprouted in scion long to about 15cm, remove Small plastic shed, strengthen water and fertilizer management, general 15d sealing fertilizer once,
Dose nursery stock routinely manages.
4. plastics binder is released: when after the healing firmly of anvil fringe, binder can be released, when unbinding, with sharp cutter from upper
Gently bondage thing is cut off under and, prevent from injuring stock xylem.
Above-described embodiment is the present invention preferably embodiment, and graft survival rate reaches 98%, and branch Seedling height then is sprouted in scion
Amount more than average out to 2.0m, sprouts a base portion rugosity average out to 2.9cm.But embodiments of the present invention are not by above-described embodiment
Limiting, protection scope of the present invention is limited by appended claims, any change on the basis of the claims in the present invention
It it is all protection scope of the present invention.
Embodiment two: application this method is carried out in Guangzhou, Guangdong Agricultural University Of South China research and teaching base, selects deep
Stock is made on mountain with a smile, and Michelia shiluensis is given birth to lignifying branch then and made scion.It is embodied as step as follows:
(1) graft stock selects: selectively footpath about 2.0cm, robust growth, form leads to straight Michelia maudiae container seedling.
(2) grafting time: the sunny cloudy weather on the 20-2 month in January 20 carries out grafting.Before grafting, stock is controlled by 5d
Water management..
(3) scion collection and process: gather middle and upper part robust growth from the Michelia shiluensis elite stand introduced a fine variety, axillalry bud is satisfied
Full, give birth to lignifying branch then without pest and disease damage.Long 8-20cm, rugosity 0.6-1.0cm are advisable.
(4) engrafting method: use cut-grafting method.Cut off away from the 15-10cm of root footpath at Michelia maudiae, clean tangent plane, from cutting
Face down flat-cut degree of depth 1.0-1.5cm.Take 1-2 the bud branch section of band on scion branch, remove blade, with grafting knife under bud
Stock otch, respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, is opened by side two sides gently, the scion cut is inserted
In stock flat-cut mouth；With the plastics antistaling film binder that width is 1.5-2.0cm, by airtight to scion and stock parcel.
(5) managing after grafting: concentrated by the nursery stock grafted and be placed in seedbed, the reinforcing bar of the long 3.0m of external is (the most repeatedly
Use) curve arch, to insert both sides, seedbed and form Small plastic shed, bar spacing is 1.0-1.5m, and the high 0.6-0.8m of arch cover central authorities is
Preferably, then rainproof at arched shed rack upper cover thin film.Water control pipe reason about 15d is carried out after grafting.
1. check survival rate: 20-30d after grafting, check graft survival rate.All scion keep fresh, and sprout is full swollen
Sprout greatly or, grafting survival is described.If sprout shrinkage is dried up, non-grafting survival is described, should mend in time and connect.
2. bud picking removes tiller: stock carries out bud picking in time and except tiller works after grafting.
3. treating that branch is sprouted in scion long to 15cm, remove Small plastic shed, strengthen water and fertilizer management, general 15d sealing fertilizer once, applies fertilizer
Measure nursery stock management routinely.
4. plastics binder is released: when after the healing firmly of anvil fringe, binder can be released, when unbinding, with sharp cutter from upper
Gently bondage thing is cut off under and, prevent from injuring stock xylem.
Above-described embodiment is the present invention preferably embodiment, and graft survival rate reaches 96%, and branch Seedling height then is sprouted in scion
Amount average out to about 1.0m, sprouts a base portion rugosity average out to 1.5cm.But embodiments of the present invention are not by above-described embodiment
Limiting, protection scope of the present invention is limited by appended claims, any change on the basis of the claims in the present invention
It it is all protection scope of the present invention.
Embodiment three: application this method is carried out in Guangzhou, Guangdong Agricultural University Of South China research and teaching base, selects happy
Prosperous making stock with a smile, Michelia shiluensis is given birth to lignifying branch then and is made scion.It is embodied as step as follows:
(1) graft stock selects: selectively footpath about 2.0cm, robust growth, form leads to straight Michelia chapensis container seedling.
(2) grafting time: the sunny cloudy weather on the 20-2 month in January 20 carries out grafting.Before grafting, stock is controlled by 5d
Water management..
(3) scion collection and process: gather middle and upper part robust growth from the Michelia shiluensis elite stand introduced a fine variety, axillalry bud is satisfied
Full, give birth to lignifying branch then without pest and disease damage.Long 8-20cm, rugosity 0.6-1.0cm are advisable.
(4) engrafting method: use cut-grafting method.Cut off away from the 15-10cm of root footpath at Michelia chapensis, clean tangent plane, from cutting
Face down flat-cut degree of depth 1.0-1.5cm.Take 1-2 the bud branch section of band on scion branch, remove blade, with grafting knife under bud
Stock otch, respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, is opened by side two sides gently, the scion cut is inserted
In stock flat-cut mouth；With the plastics antistaling film binder that width is 1.5-2.0cm, by airtight to scion and stock parcel.
(5) managing after grafting: concentrated by the nursery stock grafted and be placed in seedbed, the reinforcing bar of the long 3.0m of external is (the most repeatedly
Use) curve arch, to insert both sides, seedbed and form Small plastic shed, bar spacing is 1.0-1.5m, and the high 0.6-0.8m of arch cover central authorities is
Preferably, then rainproof at arched shed rack upper cover thin film.Water control pipe reason about 15d is carried out after grafting.
1. check survival rate: 20-30d after grafting, check graft survival rate.All scion keep fresh, and sprout is full swollen
Sprout greatly or, grafting survival is described.If sprout shrinkage is dried up, non-grafting survival is described, should mend in time and connect.
2. bud picking removes tiller: stock carries out bud picking in time and except tiller works after grafting.
3. treat that branch is sprouted in scion long to about 15cm, remove Small plastic shed, strengthen water and fertilizer management, general 15d sealing fertilizer once,
Dose nursery stock routinely manages.
4. plastics binder is released: when after the healing firmly of anvil fringe, binder can be released, when unbinding, with sharp cutter from upper
Gently bondage thing is cut off under and, prevent from injuring stock xylem.
Above-described embodiment is the present invention preferably embodiment, and graft survival rate reaches 97%, and branch Seedling height then is sprouted in scion
Amount average out to about 1.4m, sprouts a base portion rugosity average out to 1.7cm.But embodiments of the present invention are not by above-described embodiment
Limiting, protection scope of the present invention is limited by appended claims, any change on the basis of the claims in the present invention
It it is all protection scope of the present invention.
Embodiment four: application this method is carried out in Guangzhou, Guangdong Agricultural University Of South China research and teaching base, selects liquor-saturated
Stock made with a smile by perfume (or spice), and Michelia shiluensis is given birth to lignifying branch then and made scion.It is embodied as step as follows:
(1) graft stock selects: selectively footpath about 2.5cm, robust growth, form leads to straight michelia macclurei container seedling.
(2) grafting time: the sunny cloudy weather on the 20-2 month in January 20 carries out grafting.Before grafting, stock is controlled by 5d
Water management..
(3) scion collection and process: gather middle and upper part robust growth from the Michelia shiluensis elite stand introduced a fine variety, axillalry bud is satisfied
Full, give birth to lignifying branch then without pest and disease damage.Long 8-20cm, rugosity 0.6-1.0cm are advisable.
(4) engrafting method: use cut-grafting method.Cut off away from the 15-10cm of root footpath at Michelia chapensis, clean tangent plane, from cutting
Face down flat-cut degree of depth 1.0-1.5cm.Take 1-2 the bud branch section of band on scion branch, remove blade, with grafting knife under bud
Stock otch, respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, is opened by side two sides gently, the scion cut is inserted
In stock flat-cut mouth；With the plastics antistaling film binder that width is 1.5-2.0cm, by airtight to scion and stock parcel.
(5) managing after grafting: concentrated by the nursery stock grafted and be placed in seedbed, the reinforcing bar of the long 3.0m of external is (the most repeatedly
Use) curve arch, to insert both sides, seedbed and form Small plastic shed, bar spacing is 1.0-1.5m, and the high 0.6-0.8m of arch cover central authorities is
Preferably, then rainproof at arched shed rack upper cover thin film.Water control pipe reason about 15d is carried out after grafting.
1. check survival rate: 20-30d after grafting, check graft survival rate.All scion keep fresh, and sprout is full swollen
Sprout greatly or, grafting survival is described.If sprout shrinkage is dried up, non-grafting survival is described, should mend in time and connect.
2. bud picking removes tiller: stock carries out bud picking in time and except tiller works after grafting.
3. treat that branch is sprouted in scion long to about 15cm, remove Small plastic shed, strengthen water and fertilizer management, general 15d sealing fertilizer once,
Dose nursery stock routinely manages.
4. plastics binder is released: when after the healing firmly of anvil fringe, binder can be released, when unbinding, with sharp cutter from upper
Gently bondage thing is cut off under and, prevent from injuring stock xylem.
Above-described embodiment is the present invention preferably embodiment, and graft survival rate reaches 95%, and branch Seedling height then is sprouted in scion
Amount average out to about 1.1m, sprouts a base portion rugosity average out to 1.3cm.But embodiments of the present invention are not by above-described embodiment
Limiting, protection scope of the present invention is limited by appended claims, any change on the basis of the claims in the present invention
It it is all protection scope of the present invention.
Claims (5)
1. the propagation by grafiting method of a Michelia shiluensis, it is characterised in that comprise the following steps:
(1) graft stock: select yellow blue (Michelia champaca L.), the Michelia maudiae of nursery stock ground footpath more than 2.0cm
(Michelia maudiae Dunn, J.linn.Soc.Bot.), Michelia chapensis (Michelia chapensis Dandy,
J.Bot.), michelia macclurei (Michelia macclurei Dandy, J.Bot.) is graft stock；
(2) grafting weather: sunny cloudy weather should be selected during grafting；
(3) engrafting method: using cut-grafting method, the selectively above robust growth of footpath 2.0cm, form leads to straight Seedling anvil, from root
Cut (saw) at the 30-50cm of footpath to break, clean tangent plane, from tangent plane down flat-cut degree of depth 1.0-1.5cm；Take Michelia shiluensis branch band 1-2
Individual bud branch section, removes blade, with grafting knife in the side, lower section two of bud respectively in the wedge type bevel of 45 ° of 1.0-1.5cm that splay, and will
Stock otch opens gently, the scion cut is inserted in stock flat-cut mouth；With the thin plastics wrapping that width is 1.5-2.0cm
Band, by airtight to scion and stock parcel；The nursery stock grafted is carried out rainproof by early stage；
(4) managing after grafting:
1. carry out water control pipe reason after grafting, treat that branch is sprouted in scion long to about 15cm, move to open air from greenhouse or remove Small plastic shed, adding
Strong water and fertilizer management, once, dose nursery stock routinely manages general 15d sealing fertilizer；
2. check survival rate: 20-30d after grafting, check graft survival rate；All scion keep fresh, sprout is full expand or
Sprout, grafting survival is described；If sprout shrinkage is dried up, non-grafting survival is described, should mend in time and connect；
3. bud picking removes tiller: carry out in time after grafting stock carrying out bud picking and except tiller works；
4. plastics binder is released: when after the healing firmly of anvil fringe, binder can be released, when unbinding, with sharp cutter from top to bottom
Gently bondage thing is cut off, prevent from injuring stock xylem.
The propagation by grafiting method of a kind of Michelia shiluensis the most according to claim 1, it is characterised in that: prepare 3-before grafting
5d, Seedling anvil carries out water control pipe reason.
The propagation by grafiting method of a kind of Michelia shiluensis the most according to claim 1, it is characterised in that: grafting time selects
December-February is carried out.
The propagation by grafiting method of a kind of Michelia shiluensis the most according to claim 1, it is characterised in that: step (3) rainproof
It is the nursery stock grafted to be placed on greenhouse or temporarily build cover in mould shed.
The propagation by grafiting method of a kind of Michelia shiluensis the most according to claim 1, it is characterised in that: after step (4) grafting
Water control pipe reason is carried out in 15d.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610615493.9A CN106212058A (en) | 2016-07-29 | 2016-07-29 | A kind of propagation by grafiting method of Michelia shiluensis |
Applications Claiming Priority (1)
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