CN103947432A - Fixed-stem cultivation method for annual cutting seedling of Yakushima lagerstroemia - Google Patents
Fixed-stem cultivation method for annual cutting seedling of Yakushima lagerstroemia Download PDFInfo
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- CN103947432A CN103947432A CN201410196784.XA CN201410196784A CN103947432A CN 103947432 A CN103947432 A CN 103947432A CN 201410196784 A CN201410196784 A CN 201410196784A CN 103947432 A CN103947432 A CN 103947432A
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Abstract
The invention discloses a fixed-stem cultivation method for annual cutting seedling of Yakushima lagerstroemia. The method comprises the following steps: (1) cutting a tender twig; (2) performing facility cultivation; (3) stumping; (4) controlling sprout branches; (5) managing water and fertilizer; (6) fixing a stem. When the cultivation method is used for propagating and culturing, the Yakushima lagerstroemia is upright and grows fast; the fixed-stem cultivation period is short; the obtained fixed-stem seedlings have tidy specifications.
Description
Technical field
The present invention is specifically related to the annual cuttage seeding of a kind of Wu Jiu island crape myrtle (Lagerstroemia fauriei) method of dry cultivation surely, belongs to the technical field of woody plant cultivation.
Background technology
Wu Jiu island crape myrtle (Lagerstroemia fauriei Koehne.) belongs to Lythraceae (Lythraceae), Lagerstroemia (Lagerstroemia), and defoliation small arbor is high 3～5 meters.For rare sight leaf, sight stem seeds.Trunk is smooth, reddish brown brown (when trunk is peeled between 7～August).Imparipinnate leaf, 5～9 pieces, leaflet, ellipse, keratin, has the color leaf effects such as yellow, redness autumn.Panicle is large and beautiful, raw branch top, flower milky, 6～July of florescence.Fruit is subsphaeroidal, really 9～October of phase.That these seeds are that collection is seen is tree-like, tree performance, trunk, blade, flower and inflorescence are good ornamental plantation seeds all over the body, can isolated planting or group planting before lawn edge, lakeside, building, or avenue system is in road both sides, growth is very fast, resistance to pruning, antipollution.
Plant of Lagerstroemia breeding is than being easier to, and the cuttage of Wu Jiu island crape myrtle and group culturation rapid propagating technology are all ripe.Wu Jiu island crape myrtle is as ornamental plant new varieties, and on market, not yet industrialization is bred, once come into the market, the specification of nursery stock will play vital effect to price.At present, annual cuttage seeding general requirements does not reach surely dry requirement, and branch is many, transplant comparatively complexity of rear side tap reason.Therefore, cultivate annual cuttage seeding and reach surely dry standard, gaining the initiative after these seeds are introduced to the market is significant.
Facility cultivation is to utilize modern agriculture equipment to create the environmental condition of suitable for plant growth, the modern agricultural production mode of producing plant product.Be used in vegetables and flowers production.In stock growing, there is not yet report.The present invention cultivates the annual cuttage seeding of Wu Jiu island crape myrtle by establishment planting technology, is to solve these seeds to determine fast one of dry important channel, and exploitation and the utilization and extention of Dui Wujiu island crape myrtle all have very important meaning.
Summary of the invention
The technical problem that the present invention solves is to reach heading height for the annual cuttage seeding of quickly breeding Wu Jiu island crape myrtle.
In order to achieve the above object, the invention provides the annual cuttage seeding of the Wu Jiu island crape myrtle method of dry cultivation surely, comprise the steps:
(1) epicormic branch cuttage
Take to give birth to then semi-lignified branch September as cuttings, selection is made matrix with peat soil, river sand and the perlite of ratio mixing in 2: 1: 1, with the IBA of 1000mg/L, processes 30 seconds, and cuttage is placed under full sunshine and spray condition, spray time is spaced apart 15min, spraying 30s.20d stops spraying after taking root, adopt seedling management mode: often to soil humidity, be down to 50% when following, spray foliage fertilizer 1 time, until soil moisture content is more than 90% by sprinkling irrigation.
Foliage fertilizer composition is NH
4nO
3500mg/L, KNO
3280mg/L and NH
4h
2pO
4500mg/L.
(2) facility cultivation
In January next year, move to cuttage seeding on the seedbed in seedling raising greenhouse and cultivate, and planting density is 20cm*20cm.To September, put up the sunshade net of shading rate 75% May.The 1-3 month, the 10-12 month, ventilate every day 6 hours, all the other month whole day ventilations.
(3) stump
In January next year, after cuttage seeding is transplanted, apart from 5cm place, ground stump, incision retains 1 pair of axillalry bud as far as possible.
(4) descendant is controlled
After stump, by touching a young sprout of bud method reservation, grow.After major branch young sprout grows to 10cm height, on the crape myrtle cuttage seeding limb of Wu Jiu island, spray the NAA of 1000mg/L, monthly spray 1 time, spray 3 times.
(5) water and fertilizer management
Seedbed base manure amount of application is every mu of 50kg chicken manure completely that ferments, and apply during whole bed December.Topdress and adopt the composite fertilizer that NPK ratio is 3: 1: 1, every mu of 20kg, next year 4-10 month monthly applies once.Moisture is controlled and is adopted drip irrigation and sprinkling irrigation combination, and drip irrigation is monthly opened 2 times.Sprinkling irrigation is sprayed for fine day more, and the time interval is 1 hour, the 3min that at every turn sprays, and the cloudy day does not spray.
The method of application of topdressing Wei Jiang composite fertilizer adds drip irrigation system by adding fertile device after dissolving.
(6) fixed dry
December next year, seedbed upper 1 year of raw cuttage seeding to be done surely, heading height is apart from 120cm place, ground.
The annual cuttage seeding of the Wu Jiu of the present invention island crape myrtle surely method of dry cultivation has the following advantages:
1, growing-seedling period is short
By traditional seedling cultivation, within 1 year, raw stock growing specification can not reach surely dry requirement.The present invention is by a large amount of comparative trials, and discovery is used the crape myrtle seedling production of Wu Jiu island above by gardening and vegetables production upper conventional " facility cultivation ", can reach the surely dry effect of next year of cuttage then.From cuttage to fixed dry, growing-seedling period foreshortens to 16 months.
In addition, inventor contrast by the mode of determining main reason with 2 years raw cuttage seeding discoverys, and 2 years raw seedling side shoots and descendant are grown soon, and it is vigorous to bloom, and consumption nutrition is many.While determining main reason, need to repeatedly prune, the nursery stock orthostatic after fixed doing is also poor.
2, descendant is controlled
Plant of Lagerstroemia sprouting ability is very strong, at disconnected branch or butt, usually forms descendant.In nursery bed management, if by manual operations, prune the descendant of plant of Lagerstroemia base portion, stronger to guarantee the orthostatic of plant strain growth, be the method for a kind of not only time-consuming but also work consuming.Foreign study is found, utilizes HORMONE TREATMENT plant of Lagerstroemia base portion, suppresses the generation of axillalry bud, is a kind of effective means.The present invention, by great many of experiments, has determined the hormone kind and the concentration that are applicable to Wu Jiu island crape myrtle.The NAA that the incision forming after bud is sprayed 1000ppm is pruned or touched to Wu Jiu island crape myrtle, can effectively prevent and treat shoot and sprout, thereby suppress side shoot and descendant growth.
Embodiment
The embodiment of facility cultivation method screening
January, choose the cave dish seedling after the crape myrtle cuttage root-taking of Wu Jiu island, be planted in the nutritive cube of 10*16.In cool canopy and steel tube greenhouse, cultivate respectively 100 strains.Cool canopy is glass roof, and surrounding is unobstructed, and plastic house PVC film, hides sunshade net summer.In cool canopy and the sprinkling irrigation system of laying identical spray effect in steel tube greenhouse, by timing system, guarantee that spray time reaches synchronous.
Observe 2 kinds of cultivation condition Xia Wujiu island crape myrtle growth stages of statistics.December, plant height and the leading thread of measurement 1 Nian Shengwujiu island crape myrtle cuttage seeding.
Test is found, cultivates the crape myrtle rudiment of Wu Jiu island, takes out slightly all and cultivate early than cool canopy in steel pipe overlay film booth, and fallen leaves are later than the latter.December, plant height was 168% in cool canopy, leading thread indifference.More than highly reaching 120cm, can meet surely dry demand.
The screening of table 1 Wu Jiu island crape myrtle facility cultivation method
Suppress NAA working concentration screening embodiment in descendant
The NAA of preparation 100ppm, 500ppm, 1000ppm and tetra-concentration of 1500ppm, after major branch young sprout grows to 10cm height, Wu Jiu island crape myrtle cuttage seeding limb is upper sprays, with spray do not add hormone deionized water in contrast.
Test is found, sprays the NAA of 1000ppm, can effectively prevent descendant growth, prunes or touches bud incision and there will not be descendant.Spray the NAA of low concentration, on limb, still can sprout a small amount of shoot, and blossom and bear fruit, and then affect nourishing and growing of major branch.
Table 2 Wu Jiu island crape myrtle base portion sprays the screening of NAA concentration
Embodiment of the method one
(1) epicormic branch cuttage
Take to give birth to then semi-lignified branch September as cuttings, selection is made matrix with peat soil, river sand and the perlite of ratio mixing in 2: 1: 1, with the IBA of 1000mg/L, processes 30 seconds, and cuttage is placed under full sunshine and spray condition, spray time is spaced apart 15min, spraying 30s.20d stops spraying after taking root, adopt seedling management mode: take soil humidity as reference, often, to being down to 50% when following, spray foliage fertilizer 1 time, until soil moisture content more than 90% (is irrigating) by sprinkling irrigation.Foliage fertilizer composition is NH
4nO
3500mg/L, KNO
3280mg/L and NH
4h
2pO
4500mg/L.
(2) facility cultivation
In January next year, move to cuttage seeding on the seedbed in seedling raising greenhouse and cultivate, and seedling raising greenhouse specification is 8m*30m, and shoulder height 1.8m, rises 3.0m.Planting density is 20cm*20cm, 5000 strains of planting altogether.To October, put up the sunshade net of shading rate 75% May.Ventilate every day 6 hours.
(3) stump
In January, after cuttage seeding is transplanted, apart from 5cm place, ground stump, incision retains 1 pair of axillalry bud as far as possible.
(4) descendant is controlled
After stump, by touching a young sprout of bud method reservation, grow.After major branch young sprout grows to 10cm height, on the crape myrtle cuttage seeding limb of Wu Jiu island, spray the NAA of 1000mg/L, monthly spray in 2-4 month 1 time.
(5) water and fertilizer management
On seedbed, use 18kg in canopy and ferment completely chicken manure as base manure, December, apply during whole bed.Topdress and adopt the composite fertilizer that NPK ratio is 3: 1: 1, next year 4-10 month monthly applies once, after 7.2kg composite fertilizer being dissolved, by adding fertile device, adds drip irrigation system at every turn.Moisture is controlled and is adopted drip irrigation and sprinkling irrigation combination, and drip irrigation is monthly opened 2 times.Sprinkling irrigation is sprayed for fine day more, and the time interval is 1 hour, the 3min that at every turn sprays, and the cloudy day does not spray.
(6) fixed dry
December next year, totally 4751 strains of cuttage seeding height of seedling more than 120cm, compliance rate 95%, more than leading thread all reaches 0.5cm.Seedbed upper 1 year of raw cuttage seeding is done surely, and heading height is apart from 120cm place, ground.
Claims (3)
- The annual cuttage seeding of 1.Wu Jiu island crape myrtle is the method for dry cultivation surely, it is characterized in that comprising the steps:(1) epicormic branch cuttageTake to give birth to then semi-lignified branch September as cuttings, selection is made matrix with peat soil, river sand and the perlite of ratio mixing in 2: 1: 1, with the IBA of 1000mg/L, processes 30 seconds, and cuttage is placed under full sunshine and spray condition, spray time is spaced apart 15min, spraying 30s.20d stops spraying after taking root, adopt seedling management mode: often to soil humidity, be down to 50% when following, spray foliage fertilizer 1 time, until soil moisture content is more than 90% by sprinkling irrigation.(2) facility cultivationIn January next year, move to cuttage seeding on the seedbed in seedling raising greenhouse and cultivate, and planting density is 20cm*20cm.To September, put up the sunshade net of shading rate 75% May.The 1-3 month, the 10-12 month, ventilate every day 6 hours, all the other month whole day ventilations.(3) stumpIn January next year, after cuttage seeding is transplanted, apart from 5cm place, ground stump, incision retains 1 pair of axillalry bud as far as possible.(4) descendant is controlledAfter stump, by touching a young sprout of bud method reservation, grow.After major branch young sprout grows to 10cm height, on the crape myrtle cuttage seeding limb of Wu Jiu island, spray the NAA of 1000mg/L, monthly spray 1 time, spray 3 times.(5) water and fertilizer managementSeedbed base manure amount of application is every mu of 50kg chicken manure completely that ferments, and apply during whole bed December.Topdress and adopt the composite fertilizer that NPK ratio is 3:1:1, every mu of 20kg, next year 4-10 month monthly applies once.Moisture is controlled and is adopted drip irrigation and sprinkling irrigation combination, and drip irrigation is monthly opened 2 times.Sprinkling irrigation is sprayed for fine day more, and the time interval is 1 hour, the 3min that at every turn sprays, and the cloudy day does not spray.(6) fixed dryDecember next year, seedbed upper 1 year of raw cuttage seeding to be done surely, heading height is apart from 120cm place, ground.
- 2. the annual cuttage seeding of Wu Jiu island crape myrtle is done the method for cultivation surely according to claim 1, it is characterized in that: step (1) the foliage fertilizer composition of executing is: NH 4nO 3500mg/L, KNO 3280mg/L and NH 4h 2pO 4500mg/L.
- 3. the annual cuttage seeding of Wu Jiu island crape myrtle is done the method for cultivation surely according to claim 1, it is characterized in that: step (5) is topdressed and adopted and will after composite fertilizer's dissolving, by adding fertile device, add the mode of drip irrigation system to apply fertilizer.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145692A (en) * | 2014-08-28 | 2014-11-19 | 浙江采悠园林有限公司 | Method for cutting crape myrtle seedlings on seedbed |
| CN104969756A (en) * | 2015-07-02 | 2015-10-14 | 湖北天健农产品有限公司 | Crape myrtle tender branch vessel cuttage method |
| CN105325272A (en) * | 2015-10-25 | 2016-02-17 | 湖北京穗农林科技发展有限公司 | Lagerstroemia indica cutting breeding method |
| CN105432292A (en) * | 2015-11-27 | 2016-03-30 | 安徽建业苗木科技有限公司 | High-survival-rate cutting method for oriental-red lagerstroemia indica |
| CN105961115A (en) * | 2016-05-11 | 2016-09-28 | 江苏省林业科学研究院 | Crape myrtle seedling stage flowering delay regulation and control method |
| CN106212175A (en) * | 2016-07-31 | 2016-12-14 | 普定县绿源苗业开发有限公司 | A kind of method of apocarya cutting propagation |
| CN109452076A (en) * | 2018-12-21 | 2019-03-12 | 安徽省农业科学院农业工程研究所 | A kind of building of crape myrtle tracery wall and cultural method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145692A (en) * | 2014-08-28 | 2014-11-19 | 浙江采悠园林有限公司 | Method for cutting crape myrtle seedlings on seedbed |
| CN104145692B (en) * | 2014-08-28 | 2016-04-13 | 浙江采悠园林有限公司 | A kind of method of seedbed cuttage crape myrtle seedling |
| CN104969756A (en) * | 2015-07-02 | 2015-10-14 | 湖北天健农产品有限公司 | Crape myrtle tender branch vessel cuttage method |
| CN104969756B (en) * | 2015-07-02 | 2019-03-01 | 湖北天健农产品有限公司 | Crape myrtle spray container cutting propagation method |
| CN105325272A (en) * | 2015-10-25 | 2016-02-17 | 湖北京穗农林科技发展有限公司 | Lagerstroemia indica cutting breeding method |
| CN105432292A (en) * | 2015-11-27 | 2016-03-30 | 安徽建业苗木科技有限公司 | High-survival-rate cutting method for oriental-red lagerstroemia indica |
| CN105961115A (en) * | 2016-05-11 | 2016-09-28 | 江苏省林业科学研究院 | Crape myrtle seedling stage flowering delay regulation and control method |
| CN106212175A (en) * | 2016-07-31 | 2016-12-14 | 普定县绿源苗业开发有限公司 | A kind of method of apocarya cutting propagation |
| CN109452076A (en) * | 2018-12-21 | 2019-03-12 | 安徽省农业科学院农业工程研究所 | A kind of building of crape myrtle tracery wall and cultural method |
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