CN108781826A - A method of improving guava graft survival rate - Google Patents
A method of improving guava graft survival rate Download PDFInfo
- Publication number
- CN108781826A CN108781826A CN201810748411.7A CN201810748411A CN108781826A CN 108781826 A CN108781826 A CN 108781826A CN 201810748411 A CN201810748411 A CN 201810748411A CN 108781826 A CN108781826 A CN 108781826A
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- scion
- stock
- guava
- grafting
- survival rate
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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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Developmental Biology & Embryology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of method improving guava graft survival rate, includes the following steps：S1. stock prepares；S2. maternal plant prepares；S3. it grafts；S4. managing after grafting.Wherein, it is grafted using inarching method and is included the following steps again：S31. rootstock seedling is placed；S32. scion selects；S33. scion is cut；S34. stock is cut；S35. pairing and binding.This method is abutted against with spray as scion, spray one side continued growth after grafting, generates callus on one side, and graft survival rate is up to 98% or more, and whole year is graftable, can a large amount of nursery.In addition, connecing grafting at the 3rd internode reciprocal of spray top, spray ageing degree herein is suitable, generates the very capable of callus.Meanwhile taking 20-30 days before grafting and smearing the measures such as graft union with gibberellin aqueous solution when carrying out band girdle, grafting to maternal plant, be conducive to the accumulation of nutriment and promote calli induction and growth, improves survival rate.
Description
【Technical field】
The present invention relates to agricultural plantation technology fields, and in particular to a method of improving guava graft survival rate.
【Background technology】
Guava, alias spend thought, fragrant plant pleasure, chicken droppings fruit, loudspeaker guava, are Myrtaceae platymiscium.Guava fruit is light
Green, faint scent is palatable, full of nutrition, containing the trace elements such as protein, fat, carbohydrate, vitamin A, B, C and phosphorus, calcium, magnesium,
The nutritional ingredient that human body is lacked can not only be supplemented by often eating, moreover it is possible to be kept fit and healthy, be improved fitness.Guava fruit removes can
It is outer for eating raw, it may also be fabricated which jam, jelly and fruit juice etc. can also be made medicinal, and there is astringing to arrest diarrhea, hemostasis, antipruritic work(to cure mainly
Diarrhea, protracted dysentery, eczema, the diseases such as traumatic bleeding also have preferable effect to improving diabetic symptom.
Soil species guava is the fruit tree that growth is directly planted by general guava seed, and the general age of tree will be at 3 years or more
Just start to yield positive results, but the fruit born is small, low output, it is tree-like it is tall and big be difficult to manage, but well developed root system, nutrient growth are prosperous
It contains.Currently, generally use grafting to carry out breed improvement to soil species guava, to improve the yield of guava and improve fruit
Quality.But existing engrafting method survival rate is relatively low, cannot be satisfied the requirement of batch plantation.
【Invention content】
For these reasons, the present invention provides a kind of method improving guava graft survival rate, is abutted against using spray, with
Improve the graft survival rate of guava.
In order to achieve the above objectives, the technical solution adopted in the present invention is：A kind of side for improving guava graft survival rate
Method includes the following steps：
S1. stock prepares：Cultivate soil species guava seedling be used as stock, when transplant to nutrient bag seedling from the ground
When rugosity at 10cm reaches 0.4-0.6cm, moves under maternal plant tree crown and grafted；
S2. maternal plant prepares：Guava that is best in quality, growing fine is selected to make mother by cutting back as maternal plant
The vigorous young sprout of strain extraction raised growth is as scion；
S3. it grafts：Maternal plant and stock are grafted using inarching method；
S4. managing after grafting：Reinforce fertilizer and water management and the prevention and control of plant diseases, pest control after grafting, scion is cut after surviving, leaves mother
Strain can plant.
Further, include the following steps when being grafted using inarching method：
S31. rootstock seedling is placed：Nutrient bag seedling is moved under maternal plant, is placed reliable；
S32. scion selects：The suitable spray of selection height makees scion；
S33. scion is cut：Cortex, length 2-4cm, slightly with wooden are pruned at the 3rd internode of inverse on spray top
Portion, it is desirable that bevel is smooth, the depth is suitable；
S34. stock is cut：According to the height of scion, first splay at smooth, the straight place of stock, stock is cut it is disconnected, bevel with
Then the stock direction of growth cuts the small bevel isometric with scion cutting surface from bottom to top at 30-40 degree angle in this bevel back side, small to cut
Face slightly band xylem, bevel are smooth；
S35. pairing and binding：It is appropriate mobile so that bevel alignment, is tied up with plastic tape by the bevel pairing of stock and scion
Tightly.
Preferably, in step S1, when cultivating soil species guava seedling, by the way of broadcasting sowing.It broadcasts sowing suitable for holding
Easily germination, the plant that germination percentage is high and seed is tiny, are usually used in large area production.It, can be big to be obtained in the short time by broadcasting sowing
The soil species guava seedling of amount.
Further include that cutting back is carried out to maternal plant preferably, in step S2, tension and compression are carried out to young sprout, keeps young sprout horizontal
Or growth downwards, it is ensured that the grafting part of young sprout is apart from ground 10-20cm.It, can be by the grafting part control of young sprout by layer
It makes in the range close with stock height, subsequent grafting work is facilitated to be smoothed out.
Preferably, in step S2, further include：20-30 days before grafting, on maternal plant to the branch of rugosity 2-4cm into
Row band girdle, band girdle mouth width 0.1-0.2cm.Band girdle can promote the nutrient accumulation of the above scion part of band girdle mouth on maternal plant, favorably
Healing after grafting between anvil fringe.
It is red mould with a concentration of 50-100mg/L before stock and the bevel pairing of scion preferably, in step S35
Plain aqueous solution smears graft union.Gibberellin can promote calli induction and growth, healing acceleration to improve survival rate.Value
It is noted that gibberellin aqueous solution easily decomposes, should not put long, it is preferably now with the current.If using gibberellin pulvis, because red mould
Element is not soluble in water, is first added water with a small amount of alcohol or white wine dissolving and is diluted to required concentration when use.If using gibberellin water
Agent, then directly dilution can use.
Further, it in step S4,30-50 days after grafting, checks the healing state of stock and scion, has healed
Scion is cut, maternal plant is detached from.
Compared with the existing technology, the invention has the advantages that：
1. this method is easy to operate, it is abutted against as scion with spray, the continued growth of spray one side, generates on one side after grafting
Callus, graft survival rate are up to 98% or more, and low to grafting time requirement, and whole year can carry out, therefore can realize big
Batch nursery, is worthy to be popularized.
2. this method selection connects grafting at the 3rd internode reciprocal of spray top, spray ageing degree is suitable herein, generates
Callus it is very capable.Meanwhile it taking water-soluble with gibberellin when 20-30 days carry out band girdle, grafting to maternal plant before grafting
Liquid smears the measures such as graft union, is conducive to the accumulation of nutriment, may advantageously facilitate calli induction and growth, accelerates to be cured
It closes, improves survival rate.
【Specific implementation mode】
The following examples can help those skilled in the art that the present invention is more completely understood, but cannot be with any
Mode limits the present invention.
Embodiment 1
A method of guava graft survival rate is improved, is included the following steps：
S1. stock prepares：By the way of broadcasting sowing, soil species guava seedling is cultivated as stock, when transplanting to nutrition
Bag seedling from the ground 10cm place rugosity up to 0.4-0.6cm when, move under maternal plant tree crown and grafted.
S2. maternal plant prepares：Guava that is best in quality, growing fine is selected to make mother by cutting back as maternal plant
The vigorous young sprout of strain extraction raised growth is as scion.It is necessary to when, to maternal plant carry out cutting back, to young sprout carry out tension and compression,
Keep young sprout horizontal or growth downwards, it is ensured that the grafting part of young sprout is apart from ground 10cm.In first 20 days of grafting, to thick on maternal plant
The branch for spending 2cm carries out band girdle, band girdle mouth width 0.1cm.
S3. it grafts：Maternal plant and stock are grafted using inarching method：
S31. rootstock seedling is placed：Nutrient bag seedling is moved under maternal plant, is placed reliable.
S32. scion selects：The suitable spray of selection height makees scion.
S33. scion is cut：Prune cortex at the 3rd internode of inverse on spray top, length 2cm, slightly band xylem,
It is required that bevel is smooth, the depth is suitable.
S34. stock is cut：According to the height of scion, first splay at smooth, the straight place of stock, stock is cut it is disconnected, bevel with
Then the stock direction of growth cuts the small bevel isometric with scion cutting surface, small bevel from bottom to top at 30 degree of angles in this bevel back side
Slightly band xylem, bevel are smooth.
S35. pairing and binding：After smearing graft union with the gibberellin aqueous solution of a concentration of 50mg/L, by stock and scion
Bevel pairing, it is appropriate mobile so that bevel alignment, is tightened with plastic tape.
S4. managing after grafting：Reinforce fertilizer and water management and the prevention and control of plant diseases, pest control after grafting, scion is cut after surviving, leaves mother
Strain can plant.In general, 30 days after grafting, the healing state of stock and scion is checked, that has healed can cut scion, take off
From maternal plant.
Embodiment 2
A method of guava graft survival rate is improved, is included the following steps：
S1. stock prepares：By the way of broadcasting sowing, soil species guava seedling is cultivated as stock, when transplanting to nutrition
Bag seedling from the ground 10cm place rugosity up to 0.4-0.6cm when, move under maternal plant tree crown and grafted.
S2. maternal plant prepares：Guava that is best in quality, growing fine is selected to make mother by cutting back as maternal plant
The vigorous young sprout of strain extraction raised growth is as scion.It is necessary to when, to maternal plant carry out cutting back, to young sprout carry out tension and compression,
Keep young sprout horizontal or growth downwards, it is ensured that the grafting part of young sprout is apart from ground 15cm.In first 25 days of grafting, to thick on maternal plant
The branch for spending 3cm carries out band girdle, band girdle mouth width 0.1cm.
S3. it grafts：Maternal plant and stock are grafted using inarching method：
S31. rootstock seedling is placed：Nutrient bag seedling is moved under maternal plant, is placed reliable.
S32. scion selects：The suitable spray of selection height makees scion.
S33. scion is cut：Prune cortex at the 3rd internode of inverse on spray top, length 3cm, slightly band xylem,
It is required that bevel is smooth, the depth is suitable.
S34. stock is cut：According to the height of scion, first splay at smooth, the straight place of stock, stock is cut it is disconnected, bevel with
Then the stock direction of growth cuts the small bevel isometric with scion cutting surface, small bevel from bottom to top at 35 degree of angles in this bevel back side
Slightly band xylem, bevel are smooth.
S35. pairing and binding：After smearing graft union with the gibberellin aqueous solution of a concentration of 80mg/L, by stock and scion
Bevel pairing, it is appropriate mobile so that bevel alignment, is tightened with plastic tape.
S4. managing after grafting：Reinforce fertilizer and water management and the prevention and control of plant diseases, pest control after grafting, scion is cut after surviving, leaves mother
Strain can plant.In general, 40 days after grafting, the healing state of stock and scion is checked, that has healed can cut scion, take off
From maternal plant.
Embodiment 3
A method of guava graft survival rate is improved, is included the following steps：
S1. stock prepares：By the way of broadcasting sowing, soil species guava seedling is cultivated as stock, when transplanting to nutrition
Bag seedling from the ground 10cm place rugosity up to 0.4-0.6cm when, move under maternal plant tree crown and grafted.
S2. maternal plant prepares：Guava that is best in quality, growing fine is selected to make mother by cutting back as maternal plant
The vigorous young sprout of strain extraction raised growth is as scion.It is necessary to when, to maternal plant carry out cutting back, to young sprout carry out tension and compression,
Keep young sprout horizontal or growth downwards, it is ensured that the grafting part of young sprout is apart from ground 20cm.In first 30 days of grafting, to thick on maternal plant
The branch for spending 4cm carries out band girdle, band girdle mouth width 0.2cm.
S3. it grafts：Maternal plant and stock are grafted using inarching method：
S31. rootstock seedling is placed：Nutrient bag seedling is moved under maternal plant, is placed reliable.
S32. scion selects：The suitable spray of selection height makees scion.
S33. scion is cut：Prune cortex at the 3rd internode of inverse on spray top, length 4cm, slightly band xylem,
It is required that bevel is smooth, the depth is suitable.
S34. stock is cut：According to the height of scion, first splay at smooth, the straight place of stock, stock is cut it is disconnected, bevel with
Then the stock direction of growth cuts the small bevel isometric with scion cutting surface, small bevel from bottom to top at 40 degree of angles in this bevel back side
Slightly band xylem, bevel are smooth.
S35. pairing and binding：After smearing graft union with the gibberellin aqueous solution of a concentration of 100mg/L, by stock and scion
Bevel pairing, it is appropriate mobile so that bevel alignment, is tightened with plastic tape.
S4. managing after grafting：Reinforce fertilizer and water management and the prevention and control of plant diseases, pest control after grafting, scion is cut after surviving, leaves mother
Strain can plant.In general, 50 days after grafting, the healing state of stock and scion is checked, that has healed can cut scion, take off
From maternal plant.
Test example
Grafting Experiment is carried out in a piece of orchard.Experiment be divided into 3 test groups, respectively press embodiment 1-3 method into
Row grafting, observes and counts after 200 plants, 50 days of every group of grafting soil species guava seedling and survive situation, and statistical result is as shown in table 1.
Table 1
| Test group | Graft strain number | Survive strain number | Survival rate |
| Test group 1 | 200 | 196 | 98% |
| Test group 2 | 200 | 198 | 99% |
| Test group 3 | 200 | 197 | 98.5% |
It can be seen that from the statistical result of table 1 and carry out grafting soil species guava seedling, test group by the method for embodiment 1-3
The survival rate of 1-3 is relatively high, wherein the survival rate of test group 2 illustrates that the engrafting method of the present invention is very suitable for greatly up to 99%
Batch nursery, is worthy to be popularized.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (7)
1. a kind of method improving guava graft survival rate, which is characterized in that include the following steps：
S1. stock prepares：It cultivates soil species guava seedling and is used as stock, when transplanting to the seedling 10cm from the ground of nutrient bag
When the rugosity at place reaches 0.4-0.6cm, moves under maternal plant tree crown and grafted；
S2. maternal plant prepares：Guava that is best in quality, growing fine is selected so that maternal plant is taken out by cutting back as maternal plant
Go out the vigorous young sprout of raised growth as scion；
S3. it grafts：Maternal plant and stock are grafted using inarching method；
S4. managing after grafting：Reinforce fertilizer and water management and the prevention and control of plant diseases, pest control after grafting, scion is cut after surviving, leaves maternal plant i.e.
It can plant.
2. a kind of method improving guava graft survival rate as described in claim 1, which is characterized in that transferred using inarching method
Include the following steps when connecing：
S31. rootstock seedling is placed：Nutrient bag seedling is moved under maternal plant, is placed reliable；
S32. scion selects：The suitable spray of selection height makees scion；
S33. scion is cut：Cortex is pruned at the 3rd internode of inverse on spray top, length 2-4cm, slightly band xylem are wanted
Ask that bevel is smooth, the depth is suitable；
S34. stock is cut：According to the height of scion, first splays at smooth, the straight place of stock, stock is cut to disconnected, bevel and stock
Then the direction of growth cuts the small bevel isometric with scion cutting surface, small bevel is slightly from bottom to top at 30-40 degree angle in this bevel back side
Band xylem, bevel are smooth；
S35. pairing and binding：It is appropriate mobile so that bevel alignment, is tightened with plastic tape by the bevel pairing of stock and scion.
3. a kind of method improving guava graft survival rate as claimed in claim 2, which is characterized in that in step S1, training
When educating soil species guava seedling, by the way of broadcasting sowing.
4. a kind of method improving guava graft survival rate as claimed in claim 2, which is characterized in that in step S2, also
Including carrying out cutting back to maternal plant, tension and compression are carried out to young sprout, keep young sprout horizontal or growth downwards, it is ensured that the grafting part of young sprout
Apart from ground 10-20cm.
5. a kind of method improving guava graft survival rate as claimed in claim 2, which is characterized in that in step S2, also
Including：20-30 days before grafting, band girdle, band girdle mouth width 0.1-0.2cm are carried out to the branch of rugosity 2-4cm on maternal plant.
6. a kind of method improving guava graft survival rate as claimed in claim 2, which is characterized in that, will in step S35
Before stock and the bevel pairing of scion, graft union is smeared with the gibberellin aqueous solution of a concentration of 50-100mg/L.
7. a kind of method improving guava graft survival rate as claimed in claim 2, which is characterized in that in step S4, transfer
It connects latter 30-50 days, checks the healing state of stock and scion, that has healed can cut scion, be detached from maternal plant.
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| CN201810748411.7A CN108781826A (en) | 2018-07-10 | 2018-07-10 | A method of improving guava graft survival rate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496665A (en) * | 2018-12-26 | 2019-03-22 | 云南省林业科学院漾濞核桃研究院 | The shaping and trimming method of apocarya cutting orchard tree body |
| CN110149837A (en) * | 2019-05-10 | 2019-08-23 | 金华市泽雨园艺技术有限公司 | A kind of pomegranate engrafting method of high survival rate |
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| KR20120035085A (en) * | 2010-10-04 | 2012-04-13 | 원은미 | Graft guava tree upon pomegranate tree |
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| CN102150565A (en) * | 2011-04-14 | 2011-08-17 | 华侨大学 | Medulla combined distant grafting method |
| CN106576921A (en) * | 2015-10-15 | 2017-04-26 | 陆川县大鹏现代农业发展有限公司 | Psidium guajave tree grafting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109496665A (en) * | 2018-12-26 | 2019-03-22 | 云南省林业科学院漾濞核桃研究院 | The shaping and trimming method of apocarya cutting orchard tree body |
| CN110149837A (en) * | 2019-05-10 | 2019-08-23 | 金华市泽雨园艺技术有限公司 | A kind of pomegranate engrafting method of high survival rate |
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