CN109258281A - A kind of seeding growing seedlings method of dove tree - Google Patents
A kind of seeding growing seedlings method of dove tree Download PDFInfo
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- CN109258281A CN109258281A CN201811380491.1A CN201811380491A CN109258281A CN 109258281 A CN109258281 A CN 109258281A CN 201811380491 A CN201811380491 A CN 201811380491A CN 109258281 A CN109258281 A CN 109258281A
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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Abstract
The invention discloses a kind of seeding growing seedlings method of dove tree, include the following steps: (1) seed treatment；(2) it sows；(3) it after planting manages.The present invention provides a kind of seeding growing seedlings methods of dove tree, on the basis of abundant reason understands the structure and davidia involucrata seed germination characteristic of Structure of Seed of Davidia Involucrata, break the dormant period of seed, shorten the germination duration of seed, the germination percentage of seed is improved, and improves the nutrient absorption property of seedling, improves the resistance of seedling, and then the survival rate of seedling is improved, great marketing application value.
Description
Technical field
The invention belongs to seedling growth technical fields, and in particular to a kind of seeding growing seedlings method of dove tree.
Background technique
Dove tree (Davidia involucrata) it is also known as water pear or pigeon tree, it is Nyssaceae (Davidiaceae) a kind of jade
Paulownia category (Davidia) plant is the distinctive monotypic genus rare tree species in China, the few survivors as Tertiary Period Gu tropical plants fauna
Kind, it is listed in country-level national key protected plant, needs to reinforce to protect.Dove tree tree is 10 ~ 20 meters high, when blooming, brownish red head
The structure of locusta and base portion two panels bract is similar to pigeon, far sees just as a group pigeon inhabites in green shade clump, thus also has
Very high ornamental value.The most important modes of reproduction of dove tree is exactly seminal propagation, but dove tree is more not easy with seminal propagation, past
Past germination percentage is low, germinating time is long, and the survival rate of seedling is very low, brings to many farmers and greatly perplexs, and now
About davidia involucrata seed germination is accelerated, percentage of seedgermination is improved, the research for improving kind of shoot survival percent is considerably less.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of seeding growing seedlings method of dove tree is provided, in abundant reason
On the basis of the structure and davidia involucrata seed germination characteristic that solve Structure of Seed of Davidia Involucrata, breaks the dormant period of seed, shorten the hair of seed
Bud duration, improves the germination percentage of seed, and improves the nutrient absorption property of seedling, improves the resistance of seedling, and then improve kind
The survival rate of seedling, great marketing application value.
The present invention is achieved by the following technical solutions:
A kind of seeding growing seedlings method of dove tree, includes the following steps:
(1) seed treatment:
A. it is spare that full grains, character stabilization, the mature Structure of Seed of Davidia Involucrata of no disease and pests harm are chosen；
B. the Structure of Seed of Davidia Involucrata chosen in a and special sandy soil will be operated to pile up in supersonic wave cleaning machine in such a way that interlayer is laid with,
One layer of sandy soil are specifically first laid with, one layer of seed is then laid on special sandy soil, then are laid with one layer of special sandy soil on seed,
It amounts to and stacks 6 ~ 7 layers of seed, during heap kind, keeping the moisture content in special sandy soil is 72 ~ 78%, and heap kind takes after handling 5 ~ 6d
It is spare out, the ultrasonication of specific frequency is carried out while the processing of heap kind；
C. in operation b in heap kind treated seed investment sterile water, then sterile water will be placed in -35 ~ -25 DEG C of environment
After standing 4 ~ 5h, takes out and immediately break the ice cube of the surface of the seed into pieces, it is spare to separate seed；
D. it will be impregnated in the seed investment seed-soaking liquid after freezing processing in operation c, the time of immersion treatment is 5 ~ 6d；
E. the seed after seed soaking in operation d is put into constant temperature germinating box, keeping the temperature in germinating box is 31 ~ 33 DEG C,
Keeping the relative humidity in germinating box is 92.5 ~ 93.5%, after vernalization handles 3 ~ 4h, that is, can be taken off sowing；
(2) it sows:
By treated in step (1), Structure of Seed of Davidia Involucrata is seeded into the hole tray of seedling growth greenhouse, and 1 ~ 3 seed is sowed in every hole, then will
Hole tray is placed in magnetic field environment until germination；
(3) it after planting manages:
A. it waits until the germination in step (2), when the height of seedling grows to 2 ~ 3cm, carries out light filling processing, while spraying leaf
Leaven；
B. until operate a in seedling 7 ~ 8cm of height when, seedling is transplanted in planting base, spacing in the rows be 70 × 70 ~ 80 ×
80cm。
Further, the step (1) operates the preparation of special sandy soil in b, includes the following steps:
1) taking the soil of long-term plantation Chinese milk vetch to put in a drying box drying to moisture content is 9 ~ 13%, then by the mud after drying
Soil is placed in pulverizer and is crushed, and it is spare to smash it through 10 meshes；
2) 62 ~ 68 parts of soil powder, 35 ~ 37 parts of the fine sand, rough sand 39 ~ 41 in the step 1) of corresponding parts by weight after sieving are weighed
Part, 15 ~ 19 parts of loess stone, 8 ~ 10 parts of lanthanum carbonate in investment agitator tanks, stir and evenly mix postposition jointly with the revolving speed of 550 ~ 650rpm
It is 52 ~ 58% in humidity, places 7 ~ 8d in the environment that temperature is 46 ~ 54 DEG C.
Further, it is 62 ~ 68 DEG C that the temperature in drying box is kept when dry in the step 1).
Further, the partial size of fine sand is 0.32 ~ 0.38mm in the step 2, and the partial size of rough sand is 1.1 ~ 1.4mm, yellow
The partial size of native stone is 0.22 ~ 0.28mm, and the partial size of lanthanum carbonate is 0.045 ~ 0.055mm.
Further, the frequency of ultrasonic wave is 72 ~ 78kHz in step (1) the operation b.
Further, each ingredient and corresponding parts by weight in seed-soaking liquid in the step (1) operation d are as follows: abscisic acid 0.55 ~
0.65 part, 1.05 ~ 1.15 parts of gibberellin, 1.4 ~ 1.6 parts of gallic acid, 2.2 ~ 2.8 parts of salicylic acid, 20 ~ 22 parts of dehydrated alcohol, nothing
220 ~ 280 parts of bacterium water.
Further, keeping the temperature in seed-soaking liquid when seed soaking in step (1) the operation d is 38 ~ 44 DEG C.
Further, the intensity in magnetic field is 1300 ~ 1500Gs in the step (2).
Further, the concrete operations of light filling processing are once not only to locate every 3 ~ 4h progress in step (3) the operation a
It manages, every time the program of not light processing are as follows: be first 10 ~ 12min of violet exposure of 400 ~ 430nm with wavelength, be then with wavelength
4 ~ 6min of red light irradiation of 700 ~ 730nm.
Further, each ingredient and corresponding parts by weight in foliar fertilizer in the step (3) operation a are as follows: 4 ~ 5 parts of potassium nitrate,
1 ~ 2 part of ammonium phosphate, 0.7 ~ 0.9 part of magnesium sulfate, 0.5 ~ 0.7 part of ferrous sulfate heptahydrate, 0.03 ~ 0.05 part of manganese sulfate, copper sulphate
0.0002 ~ 0.0003 part, 0.000012 ~ 0.000018 part of cobalt chloride, 0.00002 ~ 0.00003 part of sodium molybdate, lanthanum nitrate
0.0003 ~ 0.0005 part, 0.001 ~ 0.002 part of samaric nitrate, 600 ~ 700 parts of purified water.
Dove tree pericarp thickness is big, and hard and compactness is high, influences the mass exchange of seed and external environment, leads to fine jade paulownia kind
Sub- dormant period is longer, and germination is more difficult than general seed, seriously limits the popularization of dove tree, therefore the present invention is in existing dove tree kind
It is significantly improved on the basis of subprocessing method, is to choose full grains, character stabilization, no disease and pests harm first
Mature Structure of Seed of Davidia Involucrata, optimizes from provenance, guarantees davidia involucrata seed germination rate.And then by seed and special sandy soil super
The processing of heap kind is carried out in the environment of sound wave, wherein the soil of long-term plantation Chinese milk vetch is added in special sandy soil, it is micro- in soil
Biology has certain corrosiveness, rough sand, fine sand, loess stone and the lanthanum carbonate of addition, with different grains to the kind skin of Structure of Seed of Davidia Involucrata
Diameter is mixed, and during heap kind, facilitates the entrance of oxygen, the effect of ultrasonic wave promotes functional component in sandy soil
Movement accelerates rotting for kind of skin, promotes the development of Structure of Seed of Davidia Involucrata embryo, shorten the germination duration of seed, the carbonic acid added in sandy soil
Lanthanum is a kind of rare-earth compound, can be improved the activity of peroxidase in Structure of Seed of Davidia Involucrata, and phenolic substances increases, Ke Yiyou
The invasion and extension for preventing pathogen of effect, in addition can be improved absorption of the seed to nutrient, and the nutrient absorption for improving seed is special
Property, the resistance of dove tree is improved, also added loess stone, under the booster action of ultrasonic wave, quickly absorbs week during heap kind
Harmful substance in air is enclosed, anion is radiated, purifies air, the effective activity for ensureing embryo.Then seed is placed in ultralow temperature
In environment, low temperature environment helps to kill worm's ovum and the pathogen of the surface of the seed, promotes the quality of Structure of Seed of Davidia Involucrata, it is anti-to improve dove tree
The ability of pest and disease damage, and directly strong ice cube is broken into pieces, can efficiently be softened dove tree kind skin, be accelerated Structure of Seed of Davidia Involucrata and external environment
Mass exchange is carried out, Structure of Seed of Davidia Involucrata is put into seed-soaking liquid impregnate at this time, functional component can promote dove tree in seed-soaking liquid
The activity expression of a variety of enzymes in seed body, if the activity of amylase, peroxidase in Structure of Seed of Davidia Involucrata is significantly improved,
And the raising of both enzymatic activitys, Structure of Seed of Davidia Involucrata cellular respiration intensity can greatly be reinforced, can further promote dove tree kind
The development of sub- embryo improves the vigor of seed, improves the germination characteristic of seed.Vernalization processing is finally carried out in germinating box, is provided
Suitable humidity and temperature, accelerate germination.In order to further improve the growth characteristics of seedling, by treated, seed is sowed
Into hole tray, be subsequently placed in magnetic field environment until germination, seed prior to seeding, the positive and negative charge on internal cell membranes
In very confusing state, after planting just can be under the slow effect of earth interior electric field, Interior Seed be most of
Positive and negative charge gradually sequentially arranges, and generates a kind of trend for being more advantageous to seed germination and growth, so that seed germination and growth be made to add
Fastly, the present invention accelerates germination using external magnetic field auxiliary, and band germination carries out light filling when seedling height grows to 2 ~ 3cm
Processing, while spraying foliar fertilizer, and the present invention breaks conventional lighting process, using two kinds of light wave alternate intermittents to seedling into
The light wave of the processing of row light filling, different wave length carries out intermittent stimulation, can not only promote absorption of the blade to foliar fertilizer, accelerates photosynthetic
The progress of effect promotes the growth and development of seedling, while can also stimulate the expression of adversity gene in seedling, improves the degeneration-resistant of seedling
Property, improve the survival rate of seedling.
The present invention has the advantage that compared with prior art
The present invention provides a kind of seeding growing seedlings methods of dove tree, understand the structure and Structure of Seed of Davidia Involucrata of Structure of Seed of Davidia Involucrata in abundant reason
On the basis of germination characteristic, break the dormant period of seed, shortens the germination duration of seed, improve the germination percentage of seed, and change
The nutrient absorption property of kind seedling improves the resistance of seedling, and then improves the survival rate of seedling, great marketing application valence
Value.
Specific embodiment
Embodiment 1
A kind of seeding growing seedlings method of dove tree, includes the following steps:
(1) seed treatment:
A. it is spare that full grains, character stabilization, the mature Structure of Seed of Davidia Involucrata of no disease and pests harm are chosen；
B. the Structure of Seed of Davidia Involucrata chosen in a and special sandy soil will be operated to pile up in supersonic wave cleaning machine in such a way that interlayer is laid with,
One layer of sandy soil are specifically first laid with, one layer of seed is then laid on special sandy soil, then are laid with one layer of special sandy soil on seed,
Amount to and stack 6 layers of seed, during heap kind, keeping the moisture content in special sandy soil is 72%, taken out after heap kind processing 5d it is spare,
The ultrasonication of specific frequency is carried out while the processing of heap kind；
C. in operation b in heap kind treated seed investment sterile water, then sterile water will be placed in -35 DEG C of environment and stood
After 4h, takes out and immediately break the ice cube of the surface of the seed into pieces, it is spare to separate seed；
D. it will be impregnated in the seed investment seed-soaking liquid after freezing processing in operation c, the time of immersion treatment is 5d；
E. the seed after seed soaking in operation d is put into constant temperature germinating box, keeping the temperature in germinating box is 31 DEG C, is protected
Holding the relative humidity in germinating box is 92.5%, after vernalization handles 3h, that is, can be taken off sowing；
(2) it sows:
By treated in step (1), Structure of Seed of Davidia Involucrata is seeded into the hole tray of seedling growth greenhouse, and 1 seed is sowed in every hole, then by cave
Disk is placed in magnetic field environment until germination；
(3) it after planting manages:
A. it waits until the germination in step (2), when the height of seedling grows to 2cm, carries out light filling processing, while spraying blade face
Fertilizer；
B. until operating the seedling height 7cm in a, seedling is transplanted in planting base, spacing in the rows is 70 × 70cm.
Further, the step (1) operates the preparation of special sandy soil in b, includes the following steps:
1) taking the soil of long-term plantation Chinese milk vetch to put in a drying box drying to moisture content is 9%, then sets the soil after drying
In being crushed in pulverizer, it is spare to smash it through 10 meshes；
2) 62 parts of soil powder, 35 parts of the fine sand, 39 parts of rough sand, loess stone 15 in the step 1) of corresponding parts by weight after sieving are weighed
In part, 8 parts of lanthanum carbonate common investment agitator tanks, being stirred and evenly mixed with the revolving speed of 550rpm and being placed on humidity is 52%, temperature 46
DEG C environment in place 7d.
Further, it is 62 DEG C that the temperature in drying box is kept when dry in the step 1).
Further, the partial size of fine sand is 0.32mm in the step 2, and the partial size of rough sand is 1.1mm, the grain of loess stone
Diameter is 0.22mm, and the partial size of lanthanum carbonate is 0.045mm.
Further, the frequency of ultrasonic wave is 72kHz in step (1) the operation b.
Further, each ingredient and corresponding parts by weight in seed-soaking liquid in the step (1) operation d are as follows: 0.55 part of abscisic acid,
1.05 parts of gibberellin, 1.4 parts of gallic acid, 2.2 parts of salicylic acid, 20 parts of dehydrated alcohol, 220 parts of sterile water.
Further, keeping the temperature in seed-soaking liquid when seed soaking in step (1) the operation d is 38 DEG C.
Further, the intensity in magnetic field is 1300Gs in the step (2).
Further, the concrete operations of light filling processing are once not only to locate every 3h progress in step (3) the operation a
It manages, every time the program of not light processing are as follows: then the violet exposure 10min for being first 400nm with wavelength is 700nm's with wavelength
Red light irradiation 4min.
Further, each ingredient and corresponding parts by weight in foliar fertilizer in the step (3) operation a are as follows: 4 parts of potassium nitrate, phosphorus
1 part of sour ammonium, 0.7 part of magnesium sulfate, 0.5 part of ferrous sulfate heptahydrate, 0.03 part of manganese sulfate, 0.0002 part of copper sulphate, cobalt chloride
0.000012 part, 0.00002 part of sodium molybdate, 0.0003 part of lanthanum nitrate, 0.001 part of samaric nitrate, 600 parts of purified water.
Embodiment 2
A kind of seeding growing seedlings method of dove tree, includes the following steps:
(1) seed treatment:
A. it is spare that full grains, character stabilization, the mature Structure of Seed of Davidia Involucrata of no disease and pests harm are chosen；
B. the Structure of Seed of Davidia Involucrata chosen in a and special sandy soil will be operated to pile up in supersonic wave cleaning machine in such a way that interlayer is laid with,
One layer of sandy soil are specifically first laid with, one layer of seed is then laid on special sandy soil, then are laid with one layer of special sandy soil on seed,
It amounts to and stacks 6 layers of seed, during heap kind, keeping the moisture content in special sandy soil is 75%, is taken out after heap kind processing 5.5d standby
With the ultrasonication of progress specific frequency while the processing of heap kind；
C. in operation b in heap kind treated seed investment sterile water, then sterile water will be placed in -30 DEG C of environment and stood
After 4.5h, takes out and immediately break the ice cube of the surface of the seed into pieces, it is spare to separate seed；
D. it will be impregnated in the seed investment seed-soaking liquid after freezing processing in operation c, the time of immersion treatment is .5d；
E. the seed after seed soaking in operation d is put into constant temperature germinating box, keeping the temperature in germinating box is 32 DEG C, is protected
Holding the relative humidity in germinating box is 93%, after vernalization handles 3.5h, that is, can be taken off sowing；
(2) it sows:
By treated in step (1), Structure of Seed of Davidia Involucrata is seeded into the hole tray of seedling growth greenhouse, and 2 seeds are sowed in every hole, then by cave
Disk is placed in magnetic field environment until germination；
(3) it after planting manages:
A. it waits until the germination in step (2), when the height of seedling grows to 2.5cm, carries out light filling processing, while spraying leaf
Leaven；
B. until operating the seedling height 7.5cm in a, seedling is transplanted in planting base, spacing in the rows is 75 × 75cm.
Further, the step (1) operates the preparation of special sandy soil in b, includes the following steps:
1) taking the soil of long-term plantation Chinese milk vetch to put in a drying box drying to moisture content is 11%, then by the soil after drying
It is placed in pulverizer and is crushed, it is spare to smash it through 10 meshes；
2) 65 parts of soil powder, 36 parts of the fine sand, 40 parts of rough sand, loess stone 17 in the step 1) of corresponding parts by weight after sieving are weighed
In part, 9 parts of lanthanum carbonate common investment agitator tanks, being stirred and evenly mixed with the revolving speed of 600rpm and being placed on humidity is 55%, temperature 50
DEG C environment in place 7.5d.
Further, it is 65 DEG C that the temperature in drying box is kept when dry in the step 1).
Further, the partial size of fine sand is 0.35mm in the step 2, and the partial size of rough sand is 1.25mm, the grain of loess stone
Diameter is 0.25mm, and the partial size of lanthanum carbonate is 0.05mm.
Further, the frequency of ultrasonic wave is 75kHz in step (1) the operation b.
Further, each ingredient and corresponding parts by weight in seed-soaking liquid in the step (1) operation d are as follows: 0.6 part of abscisic acid,
1.1 parts of gibberellin, 1.5 parts of gallic acid, 2.5 parts of salicylic acid, 21 parts of dehydrated alcohol, 250 parts of sterile water.
Further, keeping the temperature in seed-soaking liquid when seed soaking in step (1) the operation d is 41 DEG C.
Further, the intensity in magnetic field is 1400Gs in the step (2).
Further, the concrete operations of light filling processing are once not only to locate every 3.5h progress in step (3) the operation a
It manages, every time the program of not light processing are as follows: then the violet exposure 11min for being first 415nm with wavelength is 715nm's with wavelength
Red light irradiation 5min.
Further, each ingredient and corresponding parts by weight in foliar fertilizer in the step (3) operation a are as follows: 4.5 parts of potassium nitrate,
1.5 parts of ammonium phosphate, 0.8 part of magnesium sulfate, 0.6 part of ferrous sulfate heptahydrate, 0.04 part of manganese sulfate, 0.00025 part of copper sulphate, cobalt chloride
0.000015 part, 0.000025 part of sodium molybdate, 0.0004 part of lanthanum nitrate, 0.0015 part of samaric nitrate, 650 parts of purified water.
Embodiment 3
A kind of seeding growing seedlings method of dove tree, includes the following steps:
(1) seed treatment:
A. it is spare that full grains, character stabilization, the mature Structure of Seed of Davidia Involucrata of no disease and pests harm are chosen；
B. the Structure of Seed of Davidia Involucrata chosen in a and special sandy soil will be operated to pile up in supersonic wave cleaning machine in such a way that interlayer is laid with,
One layer of sandy soil are specifically first laid with, one layer of seed is then laid on special sandy soil, then are laid with one layer of special sandy soil on seed,
Amount to and stack 7 layers of seed, during heap kind, keeping the moisture content in special sandy soil is 78%, taken out after heap kind processing 6d it is spare,
The ultrasonication of specific frequency is carried out while the processing of heap kind；
C. in operation b in heap kind treated seed investment sterile water, then sterile water will be placed in -25 DEG C of environment and stood
After 5h, takes out and immediately break the ice cube of the surface of the seed into pieces, it is spare to separate seed；
D. it will be impregnated in the seed investment seed-soaking liquid after freezing processing in operation c, the time of immersion treatment is 6d；
E. the seed after seed soaking in operation d is put into constant temperature germinating box, keeping the temperature in germinating box is 33 DEG C, is protected
Holding the relative humidity in germinating box is 93.5%, after vernalization handles 4h, that is, can be taken off sowing；
(2) it sows:
By treated in step (1), Structure of Seed of Davidia Involucrata is seeded into the hole tray of seedling growth greenhouse, and 3 seeds are sowed in every hole, then by cave
Disk is placed in magnetic field environment until germination；
(3) it after planting manages:
A. it waits until the germination in step (2), when the height of seedling grows to 3cm, carries out light filling processing, while spraying blade face
Fertilizer；
B. until operating the seedling height 8cm in a, seedling is transplanted in planting base, spacing in the rows is 80 × 80cm.
Further, the step (1) operates the preparation of special sandy soil in b, includes the following steps:
1) taking the soil of long-term plantation Chinese milk vetch to put in a drying box drying to moisture content is 13%, then by the soil after drying
It is placed in pulverizer and is crushed, it is spare to smash it through 10 meshes；
2) 68 parts of soil powder, 37 parts of the fine sand, 41 parts of rough sand, loess stone 19 in the step 1) of corresponding parts by weight after sieving are weighed
In part, 10 parts of lanthanum carbonate common investment agitator tanks, being stirred and evenly mixed with the revolving speed of 650rpm and being placed on humidity is 58%, and temperature is
8d is placed in 54 DEG C of environment.
Further, it is 68 DEG C that the temperature in drying box is kept when dry in the step 1).
Further, the partial size of fine sand is 0.38mm in the step 2, and the partial size of rough sand is 1.4mm, the grain of loess stone
Diameter is 0.28mm, and the partial size of lanthanum carbonate is 0.055mm.
Further, the frequency of ultrasonic wave is 78kHz in step (1) the operation b.
Further, each ingredient and corresponding parts by weight in seed-soaking liquid in the step (1) operation d are as follows: 0.65 part of abscisic acid,
1.15 parts of gibberellin, 1.6 parts of gallic acid, 2.8 parts of salicylic acid, 22 parts of dehydrated alcohol, 280 parts of sterile water.
Further, keeping the temperature in seed-soaking liquid when seed soaking in step (1) the operation d is 44 DEG C.
Further, the intensity in magnetic field is 1500Gs in the step (2).
Further, the concrete operations of light filling processing are once not only to locate every 4h progress in step (3) the operation a
It manages, every time the program of not light processing are as follows: then the violet exposure 12min for being first 430nm with wavelength is 730nm's with wavelength
Red light irradiation 6min.
Further, each ingredient and corresponding parts by weight in foliar fertilizer in the step (3) operation a are as follows: 5 parts of potassium nitrate, phosphorus
2 parts of sour ammonium, 0.9 part of magnesium sulfate, 0.7 part of ferrous sulfate heptahydrate, 0.05 part of manganese sulfate, 0.0003 part of copper sulphate, cobalt chloride
0.000018 part, 0.00003 part of sodium molybdate, 0.0005 part of lanthanum nitrate, 0.002 part of samaric nitrate, 700 parts of purified water.
Comparative example 1
This comparative example 1 compared with Example 2, saves the whole operation that b is operated in step (1) seed treatment, in addition to this
Method and step is all the same.
Comparative example 2
This comparative example 2 compared with Example 2, saves the whole operation that c is operated in step (1) seed treatment, in addition to this
Method and step is all the same.
Comparative example 3
This comparative example 3 compared with Example 2, saves the whole operation that d is operated in step (1) seed treatment, in addition to this
Method and step is all the same.
Control group 1
Existing conventional Structure of Seed of Davidia Involucrata processing method.
In order to compare effect of the present invention, the mature Structure of Seed of Davidia Involucrata of full grains, character stabilization, no disease and pests harm is chosen, then
Therefrom the Structure of Seed of Davidia Involucrata of picking is randomly divided into 5 as experimental subjects by the almost completely the same Structure of Seed of Davidia Involucrata of picking weight size
Group, then respectively with the method corresponding position of embodiment 2, comparative example 1, comparative example 2, comparative example 3 and control group
Every group of Structure of Seed of Davidia Involucrata is managed, after processing, measures index of correlation.
Specific experiment correlation data is as shown in table 1 below:
Table 1
By upper table 1 it can be seen that the Structure of Seed of Davidia Involucrata proline content that embodiment 2 is handled is higher than comparative example 1 and control under one's name
Group, and proline content reflects the resistance of plant to a certain extent in plant, the strong plant of resistance often accumulates
It is more, the Structure of Seed of Davidia Involucrata resistance that the present invention is handled is apparently higher than control group 1, and seed vitality increases；Seed is in germination process
In, the content of soluble sugar can decline, and the content for the soluble sugar in Structure of Seed of Davidia Involucrata that the present invention is handled is real significantly lower than comparison
Example and control group are applied, Seed Development metabolism is fast, and seed has good germination characteristic；
Comparative example 4
This comparative example 4 compared with Example 2, saves the magnetic field environment of step (2) sowing, and method and step in addition to this is homogeneous
Together.
Comparative example 5
This comparative example 5 compared with Example 2, save step (3) after planting manage in light filling processing, method in addition to this
Step is all the same.
Comparative example 6
This comparative example 6 compared with Example 2, save step (3) after planting manage in foliar fertilizer, in addition to this method step
It is rapid all the same.
Comparative example 7
This comparative example 7 compared with Example 2, save step (3) after planting manage in operate a whole operation, in addition to this
Method and step it is all the same.
Control group 2
Existing conventional dove tree seeding growing seedlings method.
In order to further compare effect of the present invention, full grains, character stabilization, the mature dove tree kind of no disease and pests harm are chosen
Son, then therefrom picking weight size almost completely the same Structure of Seed of Davidia Involucrata as experimental subjects, by the Structure of Seed of Davidia Involucrata of picking with
Machine is divided into 9 groups, then respectively with embodiment 2, comparative example 1, comparative example 2, comparative example 3, comparative example 4, right
Than every group of Structure of Seed of Davidia Involucrata of method alignment processing of embodiment 5, comparative example 6, comparative example 7 and control group, after processing,
It is sowed, then measures the germination percentage of seed, average duration of germinateing, and sowed according to every group of corresponding planting patterns
Nursery after planting measures the survival rate of seedling.
Specific experiment correlation data is as shown in table 2 below:
Table 2
The present invention provides a kind of seeding growing seedlings methods of dove tree it can be seen from upper table 2, understand Structure of Seed of Davidia Involucrata in abundant reason
On the basis of structure and davidia involucrata seed germination characteristic, break the dormant period of seed, shorten the germination duration of seed, improves kind
The germination percentage of son, and improve the nutrient absorption property of seedling, the resistance of seedling is improved, and then improve the survival rate of seedling, pole
Has marketing application value.
Claims (10)
1. a kind of seeding growing seedlings method of dove tree, which comprises the steps of:
(1) seed treatment:
A. it is spare that full grains, character stabilization, the mature Structure of Seed of Davidia Involucrata of no disease and pests harm are chosen；
B. the Structure of Seed of Davidia Involucrata chosen in a and special sandy soil will be operated to pile up in supersonic wave cleaning machine in such a way that interlayer is laid with,
One layer of sandy soil are specifically first laid with, one layer of seed is then laid on special sandy soil, then are laid with one layer of special sandy soil on seed,
It amounts to and stacks 6 ~ 7 layers of seed, during heap kind, keeping the moisture content in special sandy soil is 72 ~ 78%, and heap kind takes after handling 5 ~ 6d
It is spare out, the ultrasonication of specific frequency is carried out while the processing of heap kind；
C. in operation b in heap kind treated seed investment sterile water, then sterile water will be placed in -35 ~ -25 DEG C of environment
After standing 4 ~ 5h, takes out and immediately break the ice cube of the surface of the seed into pieces, it is spare to separate seed；
D. it will be impregnated in the seed investment seed-soaking liquid after freezing processing in operation c, the time of immersion treatment is 5 ~ 6d；
E. the seed after seed soaking in operation d is put into constant temperature germinating box, keeping the temperature in germinating box is 31 ~ 33 DEG C,
Keeping the relative humidity in germinating box is 92.5 ~ 93.5%, after vernalization handles 3 ~ 4h, that is, can be taken off sowing；
(2) it sows:
By treated in step (1), Structure of Seed of Davidia Involucrata is seeded into the hole tray of seedling growth greenhouse, and 1 ~ 3 seed is sowed in every hole, then will
Hole tray is placed in magnetic field environment until germination；
(3) it after planting manages:
A. it waits until the germination in step (2), when the height of seedling grows to 2 ~ 3cm, carries out light filling processing, while spraying leaf
Leaven；
B. until operate a in seedling 7 ~ 8cm of height when, seedling is transplanted in planting base, spacing in the rows be 70 × 70 ~ 80 ×
80cm。
2. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that special in step (1) the operation b
The preparation of sandy soil processed, includes the following steps:
1) taking the soil of long-term plantation Chinese milk vetch to put in a drying box drying to moisture content is 9 ~ 13%, then by the mud after drying
Soil is placed in pulverizer and is crushed, and it is spare to smash it through 10 meshes；
2) 62 ~ 68 parts of soil powder, 35 ~ 37 parts of the fine sand, rough sand 39 ~ 41 in the step 1) of corresponding parts by weight after sieving are weighed
Part, 15 ~ 19 parts of loess stone, 8 ~ 10 parts of lanthanum carbonate in investment agitator tanks, stir and evenly mix postposition jointly with the revolving speed of 550 ~ 650rpm
It is 52 ~ 58% in humidity, places 7 ~ 8d in the environment that temperature is 46 ~ 54 DEG C.
3. a kind of seeding growing seedlings method of dove tree according to claim 2, which is characterized in that protected when dry in the step 1)
Holding the temperature in drying box is 62 ~ 68 DEG C.
4. a kind of seeding growing seedlings method of dove tree according to claim 2, which is characterized in that the grain of fine sand in the step 2
Diameter is 0.32 ~ 0.38mm, and the partial size of rough sand is 1.1 ~ 1.4mm, and the partial size of loess stone is 0.22 ~ 0.28mm, the partial size of lanthanum carbonate
For 0.045 ~ 0.055mm.
5. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that surpass in step (1) the operation b
The frequency of sound wave is 72 ~ 78kHz.
6. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that soaked in step (1) the operation d
Each ingredient and corresponding parts by weight in kind liquid are as follows: 0.55 ~ 0.65 part of abscisic acid, 1.05 ~ 1.15 parts of gibberellin, gallic acid 1.4 ~
1.6 parts, 2.2 ~ 2.8 parts of salicylic acid, 20 ~ 22 parts of dehydrated alcohol, 220 ~ 280 parts of sterile water.
7. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that soaked in step (1) the operation d
It is 38 ~ 44 DEG C that the temperature in seed-soaking liquid is kept when kind processing.
8. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that magnetic field in the step (2)
Intensity is 1300 ~ 1500Gs.
9. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that mended in step (3) the operation a
The concrete operations of light processing are to carry out primary not light processing every 3 ~ 4h, every time the program of not light processing are as follows: are with wavelength first
10 ~ 12min of violet exposure of 400 ~ 430nm, the 4 ~ 6min of red light irradiation for being then 700 ~ 730nm with wavelength.
10. a kind of seeding growing seedlings method of dove tree according to claim 1, which is characterized in that in step (3) the operation a
Each ingredient and corresponding parts by weight in foliar fertilizer are as follows: 4 ~ 5 parts of potassium nitrate, 1 ~ 2 part of ammonium phosphate, 0.7 ~ 0.9 part of magnesium sulfate, seven water sulfuric acid
Ferrous 0.5 ~ 0.7 part, 0.03 ~ 0.05 part of manganese sulfate, 0.0002 ~ 0.0003 part of copper sulphate, cobalt chloride 0.000012 ~ 0.000018
Part, 0.00002 ~ 0.00003 part of sodium molybdate, 0.0003 ~ 0.0005 part of lanthanum nitrate, 0.001 ~ 0.002 part of samaric nitrate, purified water
600 ~ 700 parts.
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Application publication date: 20190125 |