CN103168628A - Root system improving and cultivating method of poplar or willow - Google Patents
Root system improving and cultivating method of poplar or willow Download PDFInfo
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- CN103168628A CN103168628A CN201110434986XA CN201110434986A CN103168628A CN 103168628 A CN103168628 A CN 103168628A CN 201110434986X A CN201110434986X A CN 201110434986XA CN 201110434986 A CN201110434986 A CN 201110434986A CN 103168628 A CN103168628 A CN 103168628A
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Abstract
The invention provides a root system improving and cultivating method of a polar or a willow and belongs to the field of plant cultivation. The root system improving and cultivating method of the polar or the willow includes the following steps: (1) selecting two independent tree cuttings or seedlings separated from soil to be used for grafting; (2) grafting and healing a grafted portion; and (3) rooting of the cuttings. The root system improving and cultivating method of plants, also can be vividly called a 'two-root one-trunk method', changes the shape of the plants, strengthens absorption function of a root system to some extent, and therefore nutrients in soil still can be effectively utilized under the condition that management of rich water is not changed, and the measures are not confined to a compensation measure of exogenous nutrients. The root system improving and cultivating method of the polar or the willow has the advantages of being beneficial for increment of nursery-grown plants and capable of playing a great role on development of main forestation tree species in our country, especially the polar and the willow.
Description
Technical field
The present invention relates to the plant cultivation field, particularly the root system of willow or willow improvement cultivation method.
Background technology
Nursery stock is comprised of root system (under ground portion) and acrial part, has the dependence that depends on each other for existence, promotes each other between them, thereby forms a complete and organic whole.Root system or the basis of seedling growth, only has flourishing and healthy and strong root system, acrial part just can enter in Fast Growth and growth course, thereby in the production practices of forest seedling nursing, by people for a change root quantity, form and structure under many circumstances, make the increased functionality of Root Absorption moisture and nutrient, the effect of irrigation and the measure of fertilising water is more effective, thereby reaches the expection purpose of desirable seedling growth.
Nursery stock mainly contains two types, i.e. bareroot seedling and container seedling, and the cultivation of container seedling technology is a kind of comparatively advanced seedling growing process, and its advance is that the container nursery controllability is stronger, and the cultivation of root system is more paid attention to, the root system after improvement is more suitable for following growth.Container nursery appears in seedling raising process and has used basin device or container than bareroot seedling more, actually be that container can produce the container effect, also namely use different containers can directly affect trend and the quantity of root system, such as easily making root system, common plastic containers are wound around, and control root container can produce hairbrush shape root, and root system is short and many.Container is varied, and the selection of container is one of three large key elements of container nursery, by selecting suitable container, can impel root quantity increase, rational in infrastructure, for the good growth after the container seedling field planting lays the first stone.
In fruit growing, selecting breeding is the assurance of high yield high-quality, can play the effect of making something perfect even more perfect but choose stock.It is to utilize its stronger adaptability and resistance that stock acts on therein, for the growth of breeding provides favourable support.Adopt this anvil as walnut more, but select black walnut, Paradox walnut more favourable to seedling growth; But the grape cottage propagation, but the mountain grape seedlings grafting of locality still is ready to select in some places, and the grape seedlings growth potential of cultivating so obviously strengthens.The purpose example that utilizes the root system improvement to reach the nursery stock Fast Growth also has a lot, and how these are all to bring into play in Forest-tree culture and utilize the potential of root system that very large enlightenment is provided.Realize the rapid growth of forest mainly from 2 aspects, the one, strengthen rich water quality management, increase the supply of soil moisture and nutrient, the 2nd, the root system improvement, increase root quantity and optimize root structure, strengthen the absorbing capacity of root system, play the same tune on different musical instruments wonderful both arranged.The latter is not in the situation that increase the supply of soil moisture and nutrient, still can make trees obtain enough nutrient components replenishes, and intensity and the cost of rich water quality management have been reduced, therefore before seedling planting or growth complete the improvement of seedling root early stage, some specific seeds late growing stages are had positive and important meaning.
Poplar, willow are the important reproducting tree species of the northern area of China, occupy very consequence at aspects such as territory greening, ecological construction and industrial cut stocks.For these years, poplar, willow are mainly to promote growth by fine-variety breeding and supporting cultivation technique measure, for research and the disposal of root system part, generally only stress adjustment and the improvement of individual plant seedling root, and have no report to how utilizing the above quantity nursery stock of 2 strains or 2 strains to improve.Take poplar, willow as main application, in the northern area of China, its meaning is far from other seeds and can compares.
Grafting refers to branch or the bud a Plants, and grafting makes two parts that are connected together grow up to a complete plant on the stem or root of another kind of plant.The formation layer of scion and stock is combined closely, survive to guarantee scion.The branch or the bud that connect are called scion, and the plant corpus that is connect is called stock or platform wood.Generally select the seedling of 2～4 buds of tool during scion, become top or the top of plant corpus after grafting; Become the root system part of plant corpus after stock grafting.Grafting is that the function that has callus after utilizing plant injured is carried out.During grafting, make two formation layers of hindering face near and tighten together, result is because of hyperplasia, healing becomes the integral body that vascular tissue links together each other.The method of grafting comprises that inarching method, side grafting method, tongue grafting and machine realize method etc.
Summary of the invention
The cultivation method that the purpose of this invention is to provide a kind of willow or willow.
Scheme provided by the present invention is as follows:
The root system improvement cultivation method of trees comprises the following steps:
(1) select two independences and be used for grafting from tree slip or the seedling of soil;
(2) grafting and make grafting part healing;
(3) cuttage root-taking;
It is characterized in that:
Described trees refer to be easy to the trees of graft union;
Described grafting refers to shown in following A or B:
A, described cutting is connected together by grafting, form and transplant a cutting the double stick that the polarity lower end is separated into the double stick structure and transplant a cutting;
B, described seedling is connected together by grafting, the former root system double joint separated from one another that forms described seedling is nursery stock;
Described cuttage root-taking refers to shown in following C or D:
C, the double stick structure division that described double stick is transplanted a cutting are imbedded underground, and make buried double stick structure division sprout root system;
D, the described double joint double joint pastern that is nursery stock is divided imbed undergroundly, and buried double joint pastern is divided continue to sprout.
The method of described grafting comprises the steps: respectively in described two independences and cuts the skin of 3-4cm from 2/3 to 1/2 place, close top of the tree slip of soil or seedling, the skin zone position of getting of two root cuttings or seedling is leaned on mutually, and the formation layer of cutting or seedling is alignd, then grafting part is wrapped up tightly, namely get described double stick and transplant a cutting.
Described two independences and the tree slip or the seedling that are same kind from tree slip or the seedling of soil; Described trees are willow or willow.
Described seedling is container seedling or naked seedling that summer, epicormic branch cuttage obtained.
The described method that makes grafting part healing comprises the steps: described double stick is transplanted a cutting or double joint is that the grafting part of nursery stock is imbedded in sand drift, so that described double stick is transplanted a cutting or double joint is the grafting part healing of nursery stock.
The root system improvement cultivation method of trees comprises the following steps:
(1) select two to be used for grafting at geophilous mutual close and separate grafting trees material;
(2) grafting and make grafting part healing;
It is characterized in that:
Described trees refer to be easy to the trees of graft union;
Described grafting refers to the acrial part of described grafting trees material is connected together by grafting, and forming under ground portion is the double stick nursery stock of double stick or double joint structure; Described grafting trees material refers to transplant a cutting or sapling.
The method of described grafting comprise the steps: respectively described two geophilous mutually near and the skin grown of the 2-3cm that cuts of the terrain clearance 20cm place of separate grafting trees material, the skin zone position of getting of two grafting trees materials is leaned on mutually, and the formation layer of two grafting trees materials is alignd, then grafting part is wrapped up tightly, namely get described double stick nursery stock.
Described two has been the grafting trees material of same kind at geophilous close and separate grafting trees material mutually; Described trees are willow or willow.
Described method also comprises after making grafting part healing described grafting part is buried in the earth, the step of inducing the part of burying to take root.
Described cultivation method also comprises to be repaired the acrial part more than grafting part; Described finishing instigates the above acrial part of grafting part only to stay a coppice shoot, as the trunk of nursery stock, and the grafting plant of solely doing to form double joint.
Beneficial effect
The root system improvement cultivation method of trees provided by the present invention, can be called visually again " 21 dry method ", say in a sense, it has changed the form of plant, strengthened the absorption function of root system, thereby in the situation that rich water quality management is constant, still can effectively utilize the nutriment in soil, and be not limited only to additional a kind of measure of exogenous nutrition material.The method helps to improve the amount of growth of nursery stock, and for China's Major Tree Species Planted, especially the development of poplar, willow will be played great impetus.
Plantlet formation double stick after grafting is transplanted a cutting or double joint nursery stock purpose is: to make the following buried part of grafting part form in the future two root systems, make root quantity enlarge 1 times.
The grafting plant of described " double joint is solely done " refers to that the following under ground portion of the grafting part of grafting plant forms two root systems, trunk of overground part fractionation that grafting part is above.
The method of grafting can be inarching method or tongue grafting etc., and purpose is to make the following under ground portion of grafting part of the plant after grafting form the double joint structure.
Described double stick is transplanted a cutting or double joint is that the purpose that the grafting part of nursery stock is imbedded in sand drift is that grafting part is better healed.This be due to winter to spring during this period of time, general ground temperature is higher than atmospheric temperature, and fluctuation is relatively little, grafting part can heal better, can complete agglutination after the coming year, the soil thawed, and treats the field planting of planting-season in spring recurrence bar.The purpose that the grafting part of double stick nursery stock is buried in the earth is to induce the axis section of burying to produce more root system, takes full advantage of willow and is fit to dark characteristic of planting.Seem also not have difference in appearance and without the nursery stock of transforming in addition.
The biological and ecological characteristics such as poplar, willow have fast, the suitable dark cultivation of growth, graft survival rate is high and the skin zone of burying easily takes root, utilize these characteristics to implement the root system improvement, can guarantee that root system improvement work success rate is high, easy and simple to handle, cost is relatively cheap.Create novel nursery stock, root system changes, but does not have in appearance difference through root system ridging acrial part and normal nursery stock, namely is used in street tree also fine.
This cultivation method also is adapted to growing seedlings of seedling treelet that seed broadcasts, especially the seeds that easily take root of press strip.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
Root system improved method before ground under embodiment 1, cutting
First carry out the root system improvement, be transplanted to again planting site after to be grafted mouthful of healing.Carry out before after under transplanting a cutting, behind ground, the root system improved method is generally fallen leaves in the fall, the soil freezes, transplant and carry out in the next spring.
Before the lower ground of cutting, the concrete practice of root system improved method is as follows:
1, Poplar Roots improvement and cultivation method thereof
Choose growing poplar branch (kind of willow is 107 poplars) then, require that eye is full, branch is healthy and strong, without damage by disease and insect and mechanical damage.Branch is cut into some cutting, and each transplants a cutting length is 40-50cm, is cutting the bark of 3-4cm near transplanting a cutting 2/3 place, place to 2/1, top, and each picking is transplanted a cutting through 2 joints of processing like this and rugosity is close, carries out grafting as 1 group.During grafting, the position that skin is got in 2 cutting in every group is leaned on mutually, guarantees to form layer alignment, then twines with plastic strip or adhesive tape grafting part is packed tightly Bao Yan, and described cutting is connected together by grafting, forms to transplant a cutting the double stick that the polarity lower end is separated into the double stick structure and transplant a cutting.Again every 10 groups of the cutting that connects is tied together at last, neatly be placed in sand drift by the oblique angles of 45 degree, and guarantee that grafting part all imbeds in sand drift.Sand drift should fully water before transplanting a cutting burying, and keeps certain humidity, does not rewater after imbedding cutting.
The cutting of burying is survived the winter in sand drift, and to playing bar during this period of time, general ground temperature is higher than atmospheric temperature due to underground layering, and it is relatively stable to fluctuate, and grafting part can heal gradually, can complete agglutination after the coming year, the soil thawed, form an integral body of completing, namely double stick is transplanted a cutting.
The coming year is when planting seedlings, and the plastic strip of healing place of double stick can being transplanted a cutting cuts off, and then is buried in the earth, and makes buried double stick structure division sprout root system.Simultaneously the acrial part more than grafting part is repaired; Described finishing instigates the above acrial part of grafting part only to stay a coppice shoot, as the trunk of nursery stock, and the grafting plant of solely doing to form double joint.If double stick is transplanted a cutting the bottom and pasted too tightly, available small stems inserts transplants a cutting the bottom, struts 2, then is planted in soil pit.Can adopt backpack control cave machine when digging the cave, open control footpath, cave 25cm left and right, just in time nursery stock be put into, and fill up the hole, cave with soil.
Simultaneously, transplant a cutting the seedlings of poplar that grows up to as the contrast nursery stock take the single willow that does not carry out grafting, compare test with seedling growth after the root system improvement.The contrast nursery stock is not except carrying out grafting, and all the other cultivation methods are all identical with the cultivation method of improveing nursery stock.
Result:
Seedlings of poplar through improvement, nursery stock contrast with normal morphology, amount of growth is remarkable difference, the current increment of improvement nursery stock willow: height of seedling is 4.1 meters, rice footpath 2.8cm, and the contrast nursery stock is 2.9 meters, Mi Jing is 2.2 meters, the height growth that namely improves seedlings of poplar is 41.3% of contrast nursery stock, and the Mi Jing of improvement nursery stock is 27.2% of contrast nursery stock.
2, the improvement of willow root system and cultivation method thereof
Replace with the willow cutting except willow is transplanted a cutting, all the other methods are identical with above-mentioned Poplar Roots improvement and cultivation method thereof.
Simultaneously, transplant a cutting the Salix seedlings that grows up to as the contrast nursery stock take the single willow that does not carry out grafting, compare test with seedling growth after the root system improvement.The contrast nursery stock is not except carrying out grafting, and all the other cultivation methods are all identical with the cultivation method of improveing nursery stock.
Result:
Improvement Salix seedlings amount of growth then: height of seedling is 3.2 meters, and Mi Jing is 2.6cm, and the contrast nursery stock is 2.6 meters, rice footpath 2.0cm, and the namely willow height of seedling of improvement growth is 23.1% of conventional nursery stock, the willow seedling rice footpath of improvement is 30.0% of conventional nursery stock.
If summer epicormic branch cuttage container seedling or naked seedling, method is slightly different.At first after the leaf fallen leaves, the seedling control is gone out (soil of root system is shaked off), be abutted against near the skin that 2/3 to 1/2 place, top cuts 3-4cm young plant, thereafter with reference to root system improved method before ground under transplanting a cutting, described seedling is connected together by grafting, and the former root system double joint separated from one another that forms described seedling is nursery stock; Nursery stock after grafting is imbedded sand drift complete healing.When planting seedlings, can be that the plastic strip of nursery stock healing place cuts off with double joint the coming year, then is buried in the earth, and buried double joint pastern divided continue to sprout.Simultaneously the acrial part more than grafting part is repaired; Described finishing instigates the above acrial part of grafting part only to stay a coppice shoot, as the trunk of nursery stock, and the grafting plant of solely doing to form double joint.
Root system improved method behind ground under embodiment 2, cutting
Under transplanting a cutting, root system improved method behind ground, carry out in nursery.It from transplant a cutting root system improved method behind lower ground different be, first cuttage seedling, then carry out the root system improvement, the operation of earthing up at last, the concrete practice is as follows:
1, Poplar Roots improvement and cultivation method thereof
Specifying the plot, use machinery to plough deeply smooth, deeply reach 40cm and be advisable, also can carry out simultaneously in conjunction with fertilising, then the plot is made a lot of furrow.The ridge deeply generally more than 25cm, row spacing 30cm.After playing good ridge, ready willow is transplanted a cutting (kind of willow is 107 poplars, gets bar from cuttage seeding then) (length is 15cm), in pairs near enter in ditch along the ditch cuttage, transplant a cutting to insert fully in soil or with ground Qi Paiping.2 cutting are 1 group, 2 cutting 5-8cm of being separated by in group, and the cutting between group is separated by more than 25cm.Whole cuttages of waiting to transplant a cutting are complete, water sufficient moisture, enter normal cuttage seeding management phase, during sprout the branch that, choose comparatively healthy and strong one of growth as trunk, all the other coppice shoots are all removed.
When 50cm is grown in cutting, the improvement work of beginning seedling root, namely 2 Cuttings in every group about 20cm places (being about the liftoff 1/3 place grafting of nursery stock stem), cut respectively the long skin of onesize 2-3cm, slightly slightly xylem, expose grafting part, 2 Cuttings are mutually close, make the position that cuts skin to good, note forming layer and fit tightly together with the formation layer, then tight with the plastic strip parcel, this kind grafting method is inarching method.After grafting is completed, cut off the top tip shorter in two cutting, wipe out the position and tying up 1cm above the place, but a top tip continued growth that stays.Also can be above otch the 1cm place cut off whole tops tip, select again after to be grafted surviving.
In subsequently 15 days, 2 independently cuttage seeding become one gradually by grafting, form the new nursery stock form of 1 trunk of 2 root systems, after 20 days nursery stock interfaces heal fully and the sprout growth of sprouting vigorous, at this moment in time untie plastic strip, allow the nursery stock free growth.
Goodlooking for nursery stock, also for increasing the nursery stock pull-out capacity, bring out more root system, furrow can be filled and led up at several days thereafter, and all imbed grafting part underground.Simultaneously the acrial part more than grafting part is repaired; Described finishing instigates the above acrial part of grafting part only to stay a coppice shoot, as the trunk of nursery stock, and the grafting plant of solely doing to form double joint.Also for convenience of the work of watering in this plot later stage, can transform the ridge appropriateness as furrow, namely stay some equidistant ridges, be used as the furrow ridge of back.Arrived this period, the work of root system improvement finishes substantially, and nursery stock does not have difference with normal nursery stock outwardly, only has 1 trunk, but the root system of underground 2 seedlings of ining succession, and root quantity has enlarged 1 times actually.
After 15 days, buried branch skin zone begins to bring out and grows adventive root, and the quantity of root system is also increasing, and the absorption function of root system is also increasing, can more effectively utilize like this nutriment in rich water and soil, for the Fast Growth of nursery stock is laid a good foundation.
Simultaneously, transplant a cutting the seedlings of poplar that grows up to as the contrast nursery stock take the single willow that does not carry out grafting, compare test with seedling growth after the root system improvement.The contrast nursery stock is not except carrying out grafting, and all the other cultivation methods are all identical with the cultivation method of improveing nursery stock.
Result:
Seedlings of poplar through improvement, nursery stock contrast with normal morphology, amount of growth is remarkable difference, the current increment of improvement nursery stock willow: height of seedling is 4.1 meters, rice footpath 2.8cm, and the contrast nursery stock is 2.9 meters, Mi Jing is 2.2 meters, the height growth that namely improves seedlings of poplar is 41.3% of contrast nursery stock, and the Mi Jing of improvement nursery stock is 27.2% of contrast nursery stock.
2, the improvement of willow root system and cultivation method thereof
Replace with willow and transplant a cutting outside (willow is gold branch weeping willow, chooses then cuttage seeding and transplants a cutting) except willow is transplanted a cutting, all the other methods improve with above-mentioned Poplar Roots and cultivation method identical.
Simultaneously, transplant a cutting the Salix seedlings that grows up to as the contrast nursery stock take the single willow that does not carry out grafting, compare test with seedling growth after the root system improvement.The contrast nursery stock is not except carrying out grafting, and all the other cultivation methods are all identical with the cultivation method of improveing nursery stock.
Result:
Improvement Salix seedlings amount of growth then: height of seedling is 3.2 meters, and Mi Jing is 2.6cm, and the contrast nursery stock is 2.6 meters, rice footpath 2.0cm, and the namely willow height of seedling of improvement growth is 23.1% of conventional nursery stock, the willow seedling rice footpath of improvement is 30.0% of conventional nursery stock.
Mode about grafting, above-mentioned is mainly inarching method, in fact in the real work of root system improvement, also can adopt the multiple grafting methods such as tongue grafting according to the concrete condition of seedling grafting, best grafting method is that the seedling grafting survival rate is high, easy and simple to handle, practical.
Claims (10)
1. the root system of trees is improved cultivation method, comprises the following steps:
(1) select two independences and be used for grafting from tree slip or the seedling of soil;
(2) grafting and make grafting part healing;
(3) cuttage root-taking;
It is characterized in that:
Described trees refer to be easy to the trees of graft union;
Described grafting refers to shown in following A or B:
A, described cutting is connected together by grafting, form and transplant a cutting the double stick that the polarity lower end is separated into the double stick structure and transplant a cutting;
B, described seedling is connected together by grafting, the former root system double joint separated from one another that forms described seedling is nursery stock;
Described cuttage root-taking refers to shown in following C or D:
C, the double stick structure division that described double stick is transplanted a cutting are imbedded underground, and make buried double stick structure division sprout root system;
D, the described double joint double joint pastern that is nursery stock is divided imbed undergroundly, and buried double joint pastern is divided continue to sprout.
2. method according to claim 1, it is characterized in that: the method for described grafting comprises the steps: respectively in described two independences and cuts the skin of 3-4cm from 2/3 to 1/2 place, close top of the tree slip of soil or seedling, the skin zone position of getting of two root cuttings or seedling is leaned on mutually, and the formation layer of cutting or seedling is alignd, then grafting part is wrapped up tightly, namely get described double stick and transplant a cutting.
3. method according to claim 1 and 2 is characterized in that: described two independences and the tree slip or the seedling that are same kind from tree slip or the seedling of soil; Described trees are willow or willow.
4. method according to claim 1 and 2, it is characterized in that: described seedling is container seedling or naked seedling that summer, epicormic branch cuttage obtained.
5. method according to claim 1 and 2, it is characterized in that: the described method that makes grafting part healing comprises the steps: described double stick is transplanted a cutting or double joint is that the grafting part of nursery stock is imbedded in sand drift, so that described double stick is transplanted a cutting or double joint is the grafting part healing of nursery stock.
6. the root system of trees is improved cultivation method, comprises the following steps:
(1) select two to be used for grafting at geophilous mutual close and separate grafting trees material;
(2) grafting and make grafting part healing;
It is characterized in that:
Described trees refer to be easy to the trees of graft union;
Described grafting refers to the acrial part of described grafting trees material is connected together by grafting, and forming under ground portion is the double stick nursery stock of double stick or double joint structure; Described grafting trees material refers to transplant a cutting or sapling.
7. method according to claim 6, it is characterized in that: the method for described grafting comprise the steps: respectively described two geophilous mutually near and the long skin of 2-3cm that cuts of stem liftoff 1/3 place of separate grafting trees material, the skin zone position of getting of two grafting trees materials is leaned on mutually, and the formation layer of two grafting trees materials is alignd, then grafting part is wrapped up tightly, namely get described double stick nursery stock.
8. according to claim 6 or 7 described methods is characterized in that: described two geophilous mutually near and separate grafting trees material be the grafting trees material of same kind; Described trees are willow or willow.
9. according to claim 6 or 7 described methods is characterized in that: described method also comprises after making the grafting part healing described grafting part is buried in the earth, the step of inducing the part of burying to take root.
10. according to claim 1 or 6 described methods, it is characterized in that: described cultivation method also comprises to be repaired the acrial part more than grafting part; Described finishing instigates the above acrial part of grafting part only to stay a coppice shoot, as the trunk of nursery stock, and the grafting plant of solely doing to form double joint.
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| CN201110434986XA CN103168628A (en) | 2011-12-22 | 2011-12-22 | Root system improving and cultivating method of poplar or willow |
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| CN201110434986XA CN103168628A (en) | 2011-12-22 | 2011-12-22 | Root system improving and cultivating method of poplar or willow |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104082001A (en) * | 2014-07-10 | 2014-10-08 | 哈尔滨市鑫火科技发展有限公司 | Planting-free cultivation method for poplar forestation |
| CN104303852A (en) * | 2014-09-29 | 2015-01-28 | 侯玉德 | Grafting method of weeping willow |
| CN104429782A (en) * | 2014-12-12 | 2015-03-25 | 新疆农垦科学院 | Method for salicaceae seedling culture in drought regions |
| CN106718089A (en) * | 2016-11-24 | 2017-05-31 | 乌苏市中绿园林绿化有限公司 | The method of Chinese ash grafting Manchurian ash |
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| CN102007849A (en) * | 2009-09-08 | 2011-04-13 | 杜丽英 | Ilex latifoliae cion conjoined lippedjoint method |
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| CN102007849A (en) * | 2009-09-08 | 2011-04-13 | 杜丽英 | Ilex latifoliae cion conjoined lippedjoint method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104082001A (en) * | 2014-07-10 | 2014-10-08 | 哈尔滨市鑫火科技发展有限公司 | Planting-free cultivation method for poplar forestation |
| CN104082001B (en) * | 2014-07-10 | 2016-03-23 | 哈尔滨市鑫火科技发展有限公司 | A kind of Poplar Plantation exempts from method for growing |
| CN104303852A (en) * | 2014-09-29 | 2015-01-28 | 侯玉德 | Grafting method of weeping willow |
| CN104429782A (en) * | 2014-12-12 | 2015-03-25 | 新疆农垦科学院 | Method for salicaceae seedling culture in drought regions |
| CN104429782B (en) * | 2014-12-12 | 2016-06-08 | 新疆农垦科学院 | The method of arid area bamboo willow seedling raising |
| CN106718089A (en) * | 2016-11-24 | 2017-05-31 | 乌苏市中绿园林绿化有限公司 | The method of Chinese ash grafting Manchurian ash |
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Application publication date: 20130626 |