CN105613060A - Velvet crape myrtle top grafting seedling growing method - Google Patents
Velvet crape myrtle top grafting seedling growing method Download PDFInfo
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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 invention provides a velvet crape myrtle top grafting seedling growing method. The method mainly includes following steps: (1), selecting and cultivating rootstock seedlings; (2), selecting and collecting scions; (3), treating before grafting; (4), grafting; (5), managing after grafting. Compared with the prior art, the velvet crape myrtle top grafting seedling growing method has the advantages that conditions are simple and convenient, operation is easy, breeding cost is low, grafting success rate is increased remarkably, powdery mildew occurrence probability is lowered, and quality of grafting seedlings is improved obviously.
Description
Technical field
The present invention relates to a kind of trees asexual reproduction method, specifically relate to a kind of VELVET crape myrtle high position grafting method for culturing seedlings.
Background technology
VELVET crape myrtle (Lagerstroemiaindica ' PinkVelour ') is that the Lythraceae crape myrtle introducing China from the U.S. belongs to crape myrtle new variety, introduce a fine variety China's cultivation rear compared with the crape myrtle in domestic gardens, show tree-shaped orthostatic strong (side shoot is oblique 45 degree and upwards grows), (new leaf is light red for leaf look uniqueness, Lao Ye is blackish green), pattern noble quality (flower rose), florescence overlength (south can reach 150-180 days), flower amount especially big (panicle is the longest reaches 50cm), flower has fragrance (flower delicate fragrance is simple and elegant), growth is very fast, and (root system is abnormal flourishing, in Jiangsu, annual leading thread can grow 1.5-2.1cm) and the advantage such as extremely resistance to low temperature (ability-20 DEG C of low temperature).
VELVET crape myrtle is wide adaptability after China's introducing culture, can extensively isolated planting or group planting in afforestation, it is possible to making stub or potted landscape, be that garden landscape beautifies, the excellent Landscape Tree Species of coloured silkization and floriculture at home, market demand is very big.
VELVET crape myrtle adopts vegetative propagation can keep its good character, mainly contains the methods such as group training, grafting and cuttage. Wherein tissue culture technique requires high, complicated operation, and production cost is expensive; Although cottage propagation processing ease, reproductive-cost is lower, but can not meet garden landscape in the short period of time to the requirement of seedlings; Grafting breeding can be put on market by cultivating large seedling within short duration, in current Gardening Nursery, crape myrtle seedlings are a lot, the demand not only meeting garden landscape is bred by grafting, and improve the commodity value of crape myrtle, VELVET crape myrtle high position grafting method for culturing seedlings is domestic by literature search there is not yet relevant report.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of VELVET crape myrtle high position grafting method for culturing seedlings.
Technical scheme: for achieving the above object, the present invention provides a kind of VELVET crape myrtle high position grafting method for culturing seedlings, mainly comprises the following steps:
(1) selection of rootstock seedling and cultivation: select the lagerstroemia indica tree of growing directly from seeds of 10-20 well-grown to make stock; VELVET crape myrtle scion connects lagerstroemia indica tree of growing directly from seeds, and selects cultivation base;
(2) selection of scion and collection: selecting the growth branch of VELVET crape myrtle treelet to do cuttings, each cuttings retains 2-3 bud; Upper interface is flat mouth, distance terminal bud 0.5-1.0cm, and lower interface is flat mouth, below internode place or below bud, in order to healing;
(6) grafting pre-treatment: before grafting, scion is carried out sealing wax process, then preserve for subsequent use; Stock is cut anvil and the process of disconnected anvil;
(7) grafting: selecting 2-3 direction different before connecing, the branch that branch rod epithelium is smooth blocks, and adopts cleft grafting method to carry out scion grafting, and the form layers of stock and scion aligns, and tightens interface and sealing-in fringe, avoid direct sunlight subsequently after alignment, and moisturizing and sheltering from heat or light;
(8) management after grafting: 2 weeks inspection surviving rates after connecing, if scion skin zone is dark green, bud is sprouted, and wax layer comes off, and survives; After 3 weeks, healing state according to wound determines that solution is tied up; Wipe out the rudiment of new pumping on stock in time, the new tip of semi-lignified is carried out pinching, for preventing being broken by wind, column when the new tip grows to 20-30cm, the new tip and pillar are held together.
As preferably, in described step (1), cultivation base is with selecting the garden that soil is plump, physical features is smooth, sunshine is sufficient as crape myrtle stock cultivation base, and cultivation density is 2.0m �� 2.0m.
As another kind preferably, in described step (2) cuttings select VELVET crape myrtle treelet annual, lignifying, top in tree crown, peripheral healthy and strong without disease and pest, terminal bud is full, internode is shorter growth branch do cuttings, long 8-10cm.
As another kind preferably, in described step (3), sealing wax treatment process is: first scion being cut into single bud or two leaf stem section, paraffin is placed in container and melts, wax temperature rise dips in wax to scion two when 90-100 DEG C, and wax layer is thin and transparent is advisable; Described storage is for subsequent use is: after scion sealing wax, a point kind carries out label, lie in that temperature is 4 DEG C, humidity be more than 90% bubble chamber in preserve for subsequent use.
As another kind preferably, described step (3) cuts anvil be treated to: the branch of removing stock growth surrounding and weeds, foreign material are so that grafting, and water of drenching, connects in latter 5 days and can not drench water, cut anvil amount carries out according to arrangement of time cutting how many how much using, with cutting with connecing.
As another kind preferably, described step (3) interruption anvil is treated to: block before the stock overhead cleft grafting of 150cm-230cm place.
As another kind preferably, in described step (4), grafting time is early March.
As another kind preferably, in described step (4), cleft grafting method is:
(1) cutting scion: two inclined-planes that lower for the scion after sealing wax end is whittled into 3-5cm length, thin outer thick one-tenth wedge in inclined-plane, 2-3 bud is stayed in the face upper end of cutting;
(2) stock is split: suitable position (attention is hided and celebrated a festival and scar) scissors or saw on stock limb are cut off, and are cut by otch smooth. Then vertically splitting on stock and cut, stock is cut off in the relatively thin beta pruning of stock, and stock is relatively slightly rived stock with cleft grafting cutter;
(3) grafting fringe: scion is inserted stock otch, alignment form layers, scion otch exposes 0.2-0.3cm and cuts face, and what stock was thicker can split mouthful both sides at stock respectively inserts a scion;
(4) colligation: wrapping whole interface and stock section immediately with plastic tape after scion insertion stock alignment form layers, grafting completes.
The characteristics such as the present invention is strong according to VELVET crape myrtle tree-shaped orthostatic, leaf look unique, pattern noble and fragrance, florescence overlength, flower amount are especially big, grow comparatively fast, extremely resistance to low temperature, current-year branch rudiment ability are strong, can keep and develop the good character of VELVET crape myrtle after top grafting crape myrtle, change the strain shape of crape myrtle, improve the garden landscape sight of crape myrtle, enhance the ability of crape myrtle mildew-resistance.
Useful effect: relative to prior art, VELVET crape myrtle high position grafting method for culturing seedlings of the present invention, not only condition is easy, processing ease, reproductive-cost is low, but also can significantly increase grafting success ratio, reduce the ill probability of Powdery Mildew, significantly improve the quality of Graft.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
VELVET crape myrtle high position grafting nursery of the present invention is implemented in Jiangsu Lv Yuan gardens construction company limited, and described method comprises the following steps:
(1) selection of rootstock seedling: select the big tree of crape myrtle of growing directly from seeds of life in 20 years to make stock.
(2) stock is cultivated: with selecting the acid garden that soil is deep, draining is good, physical features is smooth, sunshine is sufficient as crape myrtle stock cultivation base, cultivation density is 1.5m �� 1.5m.
(3) selection of scion: select on VELVET crape myrtle treelet annual, lignifying, top peripheral stalwartness is disease-free, terminal bud is full, internode is shorter in tree crown growth branch do cuttings.
(4) collection of scion: scion is cut into long 8-10cm, each scion retains 2-3 bud; Upper interface is flat mouth, distance terminal bud 0.5cm, lower interface is flat mouth, first under the low bud of scion, a cutter is respectively cut in the both sides at 0.5cm place, and the face of cutting is long wedge, upper thick and lower thin, length is about 3-4cm, holding thicker face inwardly to splay in 0.2cm place a cutter under mouth cutting, more also inwardly splay in 0.5cm place a cutter in thinner one side, two cutter intersections are thin slice shape.
(5) scion process: to the scion sealing wax process gathered, is first cut into scion single bud or two leaf stem section, paraffin is placed in container and melts before sealing wax, wax temperature rise dips in wax to scion two when 95-100 DEG C, and wax layer is thin and transparent is advisable; After scion sealing wax, a point kind carries out label, lies against in the bubble chamber that temperature is 4 DEG C, humidity is 90%-100% and preserves 2-4 days.
(6) grafting time: Jiangsu VELVET crape myrtle grafting time was selected in mid-March.
(7) anvil is cut before grafting: the branch of removing stock growth surrounding and weeds, foreign material are so that grafting, and water of drenching, does not drench water in one week after connecing. Cut anvil amount carries out according to arrangement of time cutting how many how much using, with cutting with connecing.
(8) height of disconnected anvil: block before the stock overhead cleft grafting of 200cm place. Grafting is operated the branch that do not affect by all the other branches 2-3 branch of selecting and remain, and as nutrition branch and use of sheltering from heat or light, unnecessary branch is cut.
(9) engrafting method: select 2-3 direction different, the branch that branch rod epithelium is more smooth blocks and carries out disconnected anvil cleft grafting method grafting, the form layers of stock and scion tightens interface with special grafting film after aliging, and in the paper bag sub-set made with newspaper, plays sunshade and moisture-keeping functions after sealing-in fringe.
Described cleft grafting method is:
(I) cutting scion: two inclined-planes that lower for the scion after sealing wax end is whittled into 3-5cm length, thin outer thick one-tenth wedge in inclined-plane, 2-3 bud is stayed in the face upper end of cutting;
(II) stock is split: suitable position (attention is hided and celebrated a festival and scar) scissors or saw on stock limb are cut off, and are cut by otch smooth. Then vertically splitting on stock and cut, stock is cut off in the relatively thin beta pruning of stock, and stock is relatively slightly rived stock with cleft grafting cutter;
(III) grafting fringe: scion is inserted stock otch, alignment form layers, scion otch exposes 0.2-0.3cm and cuts face, and what stock was thicker can split mouthful both sides at stock respectively inserts a scion;
(IV) colligation: wrapping whole interface and stock section immediately with plastic tape after scion insertion stock alignment form layers, grafting completes.
(10) management after grafting: 2 weeks inspection surviving rates after connecing, if scion skin zone is dark green, bud is sprouted, and wax layer comes off, and survives; After 3 weeks, healing state according to wound determines that solution is tied up; Wipe out the rudiment of new pumping on stock in time, the new tip of semi-lignified is carried out pinching, for preventing being broken by wind, column when the new tip grows to 20-30cm, the new tip and pillar are held together.
After experimental example the present invention adopts 4 different crape myrtle improved seeds high position grafting crape myrtle seedlings, surviving rate, tree-shaped, Ye Se and pattern situation compare
The common crape myrtle (Lagerstroemiaindica) of life in 15 years is selected to do stock in the color base, leaf nursery of Jiangsu agricultural vocational technology institute, select the VELVET crape myrtle (Lagerstroemiaindica ' PinkVelour ') of life in 4 years, flourishing ball crape myrtle (Lagerstroemiaindica ' IndicaDynamite '), in flourishing arrow crape myrtle (Lagerstroemiaindica ' RedRocket ') and emerald green common vetch (Lagerstroemiaindicavar.rubra) four crape myrtle improved seeds tree crowns, the branch on top does scion, adopt high position grafting method of the present invention, random grafting 100 scion respectively, connect rear management process all identical with external environment, observe the surviving rate after describing 4 kind graftings and other proterties, the results are shown in following table 1.
Surviving rate after table 14 kind grafting, morbidity and other proterties
As can be known from Table 1, compared with the crape myrtle of other kinds, the surviving rate after the VELVET common crape myrtle of crape myrtle grafting of the present invention, obviously higher than other three kinds, illustrates that engrafting method of the present invention is applied to VELVET crape myrtle grafting, remarkably productive, and Powdery Mildew morbidity significantly reduces; In addition, also more excellent than other three kinds at tree-shaped, Ye Se and pattern after the grafting of VELVET crape myrtle.
Claims (8)
1. a VELVET crape myrtle high position grafting method for culturing seedlings, it is characterised in that, mainly comprise the following steps:
(1) selection of rootstock seedling and cultivation: select the lagerstroemia indica tree of growing directly from seeds of 10-20 well-grown to make stock; VELVET crape myrtle scion connects lagerstroemia indica tree of growing directly from seeds, and selects cultivation base;
(2) selection of scion and collection: selecting the growth branch of VELVET crape myrtle treelet to do cuttings, each cuttings retains 2-3 bud; Upper interface is flat mouth, distance terminal bud 0.5-1.0cm, and lower interface is flat mouth, below internode place or below bud, in order to healing;
(3) grafting pre-treatment: before grafting, scion is carried out sealing wax process, then preserve for subsequent use; Stock is cut anvil and the process of disconnected anvil;
(4) grafting: selecting 2-3 direction different before connecing, the branch that branch rod epithelium is smooth blocks, and adopts cleft grafting method to carry out scion grafting, and the form layers of stock and scion aligns, and tightens interface and sealing-in fringe, avoid direct sunlight subsequently after alignment, and moisturizing and sheltering from heat or light;
(5) management after grafting: 2 weeks inspection surviving rates after connecing, if scion skin zone is dark green, bud is sprouted, and wax layer comes off, and survives; After 3 weeks, healing state according to wound determines that solution is tied up; Wipe out the rudiment of new pumping on stock in time, the new tip of semi-lignified is carried out pinching, for preventing being broken by wind, column when the new tip grows to 20-30cm, the new tip and pillar are held together.
2. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterized in that, in described step (1), cultivation base is with selecting the garden that soil is plump, physical features is smooth, sunshine is sufficient as crape myrtle stock cultivation base, and cultivation density is 2.0m �� 2.0m.
3. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterized in that, in described step (2) cuttings select VELVET crape myrtle treelet annual, lignifying, top in tree crown, peripheral healthy and strong without disease and pest, terminal bud is full, internode is shorter growth branch do cuttings, long 8-10cm.
4. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterized in that, in described step (3), sealing wax treatment process is: first scion is cut into single bud or two leaf stem section, paraffin is placed in container melt, wax temperature rise dips in wax to scion two when 90-100 DEG C, and wax layer is thin and transparent is advisable; Described storage is for subsequent use is: after scion sealing wax, a point kind carries out label, lie in that temperature is 4 DEG C, humidity be more than 90% bubble chamber in preserve for subsequent use.
5. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterized in that, described step (3) cuts anvil be treated to: remove stock growth branch around and weeds thereof, foreign material so that grafting, drench water, connect in latter 5 days and can not drench water, cut anvil amount carries out according to arrangement of time cutting how many how much using, with cutting with connecing.
6. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterised in that, described step (3) is interrupted anvil and is treated to: block before the stock overhead cleft grafting of 150cm-230cm place.
7. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterised in that, in described step (4), grafting time is early March.
8. VELVET crape myrtle high position grafting method for culturing seedlings according to claim 1, it is characterised in that, in described step (4), cleft grafting method is:
(1) cutting scion: two inclined-planes that lower for the scion after sealing wax end is whittled into 3-5cm length, thin outer thick one-tenth wedge in inclined-plane, 2-3 bud is stayed in the face upper end of cutting;
(2) stock is split: suitable position (attention is hided and celebrated a festival and scar) scissors or saw on stock limb are cut off, and are cut by otch smooth. Then vertically splitting on stock and cut, stock is cut off in the relatively thin beta pruning of stock, and stock is relatively slightly rived stock with cleft grafting cutter;
(3) grafting fringe: scion is inserted stock otch, alignment form layers, scion otch exposes 0.2-0.3cm and cuts face, and what stock was thicker can split mouthful both sides at stock respectively inserts a scion;
(4) colligation: wrapping whole interface and stock section immediately with plastic tape after scion insertion stock alignment form layers, grafting completes.
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| CN201610128977.0A CN105613060A (en) | 2016-03-07 | 2016-03-07 | Velvet crape myrtle top grafting seedling growing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106416763A (en) * | 2016-11-07 | 2017-02-22 | 江苏省中国科学院植物研究所 | Process for using lagerstroemia fauriei as stock to graft ornamentalcrape myrtle |
| CN107018803A (en) * | 2017-05-09 | 2017-08-08 | 安徽长乐生态农业有限公司 | A kind of method of the double crape myrtle grafting Guangdong crape myrtles in west |
| CN107960222A (en) * | 2017-12-15 | 2018-04-27 | 合肥欣和园苗木有限公司 | The engrafting method of crape myrtle |
| CN108040643A (en) * | 2017-12-15 | 2018-05-18 | 合肥欣和园苗木有限公司 | The engrafting method of western double crape myrtles |
| CN111567247A (en) * | 2020-05-22 | 2020-08-25 | 安庆师范大学 | Velvet crape myrtle high-position grafting seedling method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106416763A (en) * | 2016-11-07 | 2017-02-22 | 江苏省中国科学院植物研究所 | Process for using lagerstroemia fauriei as stock to graft ornamentalcrape myrtle |
| CN107018803A (en) * | 2017-05-09 | 2017-08-08 | 安徽长乐生态农业有限公司 | A kind of method of the double crape myrtle grafting Guangdong crape myrtles in west |
| CN107960222A (en) * | 2017-12-15 | 2018-04-27 | 合肥欣和园苗木有限公司 | The engrafting method of crape myrtle |
| CN108040643A (en) * | 2017-12-15 | 2018-05-18 | 合肥欣和园苗木有限公司 | The engrafting method of western double crape myrtles |
| CN111567247A (en) * | 2020-05-22 | 2020-08-25 | 安庆师范大学 | Velvet crape myrtle high-position grafting seedling method |
| CN111567247B (en) * | 2020-05-22 | 2022-03-18 | 安庆师范大学 | Velvet crape myrtle high-position grafting seedling method |
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