CN107135816A - A kind of propagation by grafiting method of red rosy clouds poplar - Google Patents

Abstract

The invention discloses a kind of propagation by grafiting method of red rosy clouds poplar, comprise the following steps：Step one：Root-stock selection；Step 2：Red autumnal leaves poplar described in step one is cut down and early stage processing；Step 3：Growth selection is healthy and strong, and leaf bud is full, no disease and pests harm, and rugosity is in more than 0.5cm, and length 15cm or so 1 year red rosy clouds poplar nursery stock of life or rudiment branch are used as scion；Step 4：By in scion grafting described in step 3 to stock described in step 2；Step 5：After grafting, scion and stock joining place gap are smeared sternly with yellow mud.And vertical rod is fixed, prevent from lodging when scion from growing；Step 6：Grafting starts pruning after 13 years, main to remove or control competition branch and base portion rudiment branch.Step 7：23 scion of grafting are all survived, and have born being transplanted the 3rd year spring for own root.Present invention reduces red rosy clouds poplar growth time, propagation by grafiting success rate is set to reach more than 98.35%, effect is significantly improved.

Description

A kind of propagation by grafiting method of red rosy clouds poplar

Technical field

The present invention relates to a kind of propagation method of plant, and in particular to a kind of propagation by grafiting method of red rosy clouds poplar, belongs to plant Thing reproduction technique field.

Background technology

Red rosy clouds poplar is using biological new and high technology seed selection and the willow bud mutation new varieties cultivated, from the fresh of germination period Red be progressively changed into Chinese red, golden yellow, lower blade is changed into yellow green, and the leaf fall period is changed into salmon pink, its leaf, petiole, vein, Seedling and branch bar are always vivid rose.Whole breeding time can keep the color of a tree three, and dimensionally stable, ornamental value all the time High, color exactly likes rosy clouds of dawn, therefore and red rosy clouds poplar of gaining the name.

Original Poplar Varieties, color red poplar, complete red poplar is single in, inhales eyeball limited in one's ability, it is impossible to which satisfaction disappears instantly The demand of the colorful nursery stock of the person of expense and scenic spot gardens, this has seriously hindered the process of Chinese color leaf nursery stock colouring.And red rosy clouds Since poplar was born from 2010, become for the new lover of Cai Ye nursery stocks circle, with its colour switching, the characteristics of three color of tree, give people A kind of brand-new visual impact.But it is due to that it is the kind newly cultivated, it is protected from environmental very big, up to the present also not The extensive, plantation of industrialization can be accomplished.Due to being influenceed by season, temperature, red rosy clouds poplar propagation by grafiting is general only in spring Carry out, this causes annual red rosy clouds poplar yield relatively low, it is impossible to meet the market demand.

The content of the invention

It is an object of the invention to provide a kind of breeding success rate height, the propagation by grafiting method of the simple red rosy clouds poplar of method.

What the present invention was realized in：

A kind of propagation by grafiting method of red rosy clouds poplar, comprises the following steps：

Step one：Root-stock selection；More than ground diameter 5cm is selected, long more than the 25cm of root, the red autumnal leaves poplar of healthy growth is used as anvil Wood, by red autumnal leaves poplar stock with being planted in intelligent Greenhouse Seedlings nursery.Wherein, Seedlings nursery used soil be sandy soil Earth, and organic fertilizer is mixed wherein, sand is 5 with organic fertilizer part by weight:1.

Step 2：Red autumnal leaves poplar described in step one is cut down and early stage processing, it is more near better that saw kerf is liftoff, one As liftoff 5-8cm, and ensure that saw kerf is smooth, the cortex on stub top protected as far as possible, plastic sheeting or wet soil are used after felling Saw kerf is covered, is air-dried to prevent stock top.It is standby.In this course, temperature maintains 15-20 DEG C in intelligent Greenhouse.

Step 3：Growth selection is healthy and strong, and leaf bud is full, no disease and pests harm, and rugosity is in more than 0.5cm, and the 1 of length 15cm or so Nian Shenghong rosy clouds poplar nursery stocks or rudiment branch are used as scion.And scion base portion is put in 500-600mg/L auxin (auxin is Methyl α-naphthyl acetate) in immersion 5h-6h, pull out afterwards it is In Shade dry in the shade, it is standby.

Step 4：By in scion grafting described in step 3 to stock described in step 2.Wherein, grafting the previous day should be by seedling Pour permeable to garden；Engrafting method uses cortex grafting, and the wedge-shaped tangent plane of 3-5cm length will be cut out below scion, deep to cross medulla, belt leather Epidermis is simultaneously gently scraped off, lower end is whittled into inclined-plane, and scion upper end retains 2 available full buds；By stock grafting fringe before grafting Position be whittled into crescent tangent plane, then pry open a seam along forming layer with the point of a knife of grafting knife, by scion tangent plane be aligned it is wooden Portion is gently inserted in seam, is inserted the stub stock of 2-3 scion, uniformly to be tuned to open scion angle, note to burst during grafting Stock cortex.

Step 5：After grafting, scion and stock joining place gap are smeared sternly with yellow mud.And vertical rod is fixed, prevent from connecing Fringe lodges when growing.In addition, to remove stock in time sprouts evil, grafting normal growth is protected.Grafting grows to 1m or so progress Ridging, is highly not less than 40cm, to promote the own root system of grafting germinating, realizes take off this growth as early as possible, and prevent nursery stock by wind Blow down.Pruned it should be noted that newly unearthed seedling should carry out 2-3 bud picking, will be sprouted before by the end of June every year a 100cm with Lower place axillary bud is all erased, and more than 100cm retains side shoot, promotees its lignifying.

Step 6：Start pruning after grafting 1-3, it is main to remove or control competition branch and base portion rudiment branch Bar.

Step 7：2-3 scion of grafting is all survived, and has born being transplanted the 3rd year spring for own root.

The invention has the advantages that：

1st, red rosy clouds poplar, from finding that industrialization plantation could not be formed always till now, studies carefully it former as a kind of new variety of plant Because being exactly because its breeding is complicated, it is not easy to grow.This method to red rosy clouds poplar from engrafting method and maintenance processes by carrying out Effectively management, can substantially reduce red rosy clouds poplar growth time, carries along with a stock is utilized in the method for the multiple scion of grafting The high yield of the red rosy clouds poplar of unit area, if the graft technology is carried out into achievements conversion, can be achieved with the scale of red rosy clouds poplar Plantation, by the output increased more than 20% of red rosy clouds poplar.

2nd, the breeding success rate of red rosy clouds poplar is in plant propagation or relatively higher, can reach 90%.And project is by changing Enter engrafting method, different processing are carried out respectively to red rosy clouds poplar before grafting, in grafting procedures and after grafting, red rosy clouds poplar can be made Propagation by grafiting success rate reaches more than 98.35%, and effect substantially increases.

Embodiment

A kind of propagation by grafiting method of red rosy clouds poplar, comprises the following steps：

Step one：Root-stock selection；More than ground diameter 5cm is selected, long more than the 25cm of root, the red autumnal leaves poplar of healthy growth is used as anvil Wood, by red autumnal leaves poplar stock with being planted in intelligent Greenhouse Seedlings nursery.Wherein, Seedlings nursery used soil be sandy soil Earth, and organic fertilizer is mixed wherein, sand and organic fertilizer ratio are 5:1.

Step 2：Red autumnal leaves poplar described in step one is cut down and early stage processing, it is more near better that saw kerf is liftoff, one As in liftoff 5-8cm or so, and ensure that saw kerf is smooth, protect as far as possible and use plastic sheeting after the cortex on stub top, felling Or wet soil covering saw kerf, air-dried to prevent stock top.It is standby.In this course, temperature should be maintained in intelligent Greenhouse At 15-20 DEG C.

Step 3：Growth selection is healthy and strong, and leaf bud is full, no disease and pests harm, and rugosity is in more than 0.5cm, and the 1 of length 15cm or so Nian Shenghong rosy clouds poplar nursery stocks or rudiment branch are used as scion.And scion base portion is put in 500-600mg/L auxin (auxin is Methyl α-naphthyl acetate) in immersion 5h-6h, pull out afterwards it is In Shade dry in the shade, it is standby.

Step 4：By in scion grafting described in step 3 to stock described in step 2.Wherein, grafting the previous day should be by seedling Pour permeable to garden；Engrafting method uses cortex grafting, and the wedge-shaped tangent plane of 3-5cm length will be cut out below scion, deep to cross medulla, belt leather Epidermis is simultaneously gently scraped off, lower end is whittled into inclined-plane, and scion upper end retains 2 available full buds；By stock grafting fringe before grafting Position be whittled into crescent tangent plane, then pry open a seam along forming layer with the point of a knife of grafting knife, by scion tangent plane be aligned it is wooden Portion is gently inserted in seam, is inserted the stub stock of 2-3 scion, uniformly to be tuned to open scion angle, note to burst during grafting Stock cortex.

Step 5：After grafting, scion and stock joining place gap are smeared sternly with yellow mud.And vertical rod is fixed, prevent from connecing Fringe lodges when growing.In addition, to remove stock in time sprouts evil, grafting normal growth is protected.Grafting grows to 1m or so progress Ridging, is highly not less than 40cm, to promote the own root system of grafting germinating, realizes take off this growth as early as possible, and prevent nursery stock by wind Blow down.Pruned it should be noted that newly unearthed seedling should carry out 2-3 bud picking, will be sprouted before by the end of June every year a 100cm with Lower place axillary bud is all erased, and more than 100cm retains side shoot, promotees its lignifying.

Step 6：Start pruning after grafting 1-3, it is main to remove or control competition branch and base portion rudiment branch Bar.

Step 7：2-3 scion of grafting is all survived, and has born being transplanted the 3rd year spring for own root.

Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair Bright preferably embodiment, embodiments of the present invention are simultaneously not restricted to the described embodiments, it should be appreciated that people in the art Member can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in principle disclosed in the present application Within scope and spirit.

Claims (1)

1. a kind of propagation by grafiting method of red rosy clouds poplar, it is characterised in that comprise the following steps：

Step one：Root-stock selection；More than ground diameter 5cm is selected, long more than the 25cm of root, the red autumnal leaves poplar of healthy growth, will as stock Red autumnal leaves poplar stock is with being planted in intelligent Greenhouse Seedlings nursery；Wherein, Seedlings nursery used soil be sand, and Organic fertilizer is wherein mixed, sand is 5 with organic fertilizer part by weight:1；

Step 2：Red autumnal leaves poplar described in step one is cut down and early stage processing, it is more near better that saw kerf is liftoff, typically from Ground 5-8cm, and ensure that saw kerf is smooth, the cortex on stub top is protected as far as possible, is covered after felling with plastic sheeting or wet soil Saw kerf, is air-dried to prevent stock top；It is standby；In this course, temperature maintains 15-20 DEG C in intelligent Greenhouse；

Step 3：Growth selection is healthy and strong, and leaf bud is full, no disease and pests harm, and rugosity is in more than 0.5cm, length 15cm or so life in 1 year Red rosy clouds poplar nursery stock or rudiment branch are used as scion；And by scion base portion be put in 500-600mg/L auxin (auxin be naphthalene second Acid) in immersion 5h-6h, pull out afterwards it is In Shade dry in the shade, it is standby；

Step 4：By in scion grafting described in step 3 to stock described in step 2；Wherein, grafting the previous day should be by nursery lot Pour permeable；Engrafting method uses cortex grafting, and the wedge-shaped tangent plane of 3-5cm length will be cut out below scion, deep to cross medulla, the one side of belt leather Epidermis is gently scraped off, lower end is whittled into inclined-plane, and scion upper end retains 2 available full buds；By the portion of stock grafting fringe before grafting Position is whittled into crescent tangent plane, then pries open a seam along forming layer with the point of a knife of grafting knife, and it is light that scion tangent plane is aligned into xylem In light insertion seam, the stub stock of 2-3 scion is inserted, scion angle is uniformly tuned to open, note that stock should not be burst during grafting Cortex；

Step 5：After grafting, scion and stock joining place gap are smeared sternly with yellow mud；And vertical rod is fixed, prevent scion from giving birth to Lodged when long；In addition, to remove stock in time sprouts evil, grafting normal growth is protected；Grafting grows to 1m or so and earthed up, Highly it is not less than 40cm, to promote the own root system of grafting germinating, realizes take off this growth as early as possible, and prevent nursery stock from being fallen by wind； Pruned it should be noted that newly unearthed seedling should carry out 2-3 bud picking, a below 100cm will be sprouted before by the end of June every year and locates armpit Bud is all erased, and more than 100cm retains side shoot, promotees its lignifying；

Step 6：Start pruning after grafting 1-3, it is main to remove or control competition branch and base portion rudiment branch；

Step 7：2-3 scion of grafting is all survived, and has born being transplanted the 3rd year spring for own root.