CN111296089A - Artificial breeding method of salix integra, salix integra seedlings and application - Google Patents
Artificial breeding method of salix integra, salix integra seedlings and application Download PDFInfo
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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
- A01G2/10—Vegetative propagation by means of cuttings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
Abstract
The invention relates to the technical field of vegetation planting, and particularly discloses an artificial breeding method of salix integra, salix integra seedlings and application, wherein the artificial breeding method of salix integra comprises the following steps: 1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips; 2) preparing the seed ears: cutting and trimming the seed strips to obtain seed ears; 3) ear-planting treatment: soaking the seed ears in a treatment solution to obtain treated seed ears; 4) cuttage: cutting the treated seed ears, watering and managing in the field to obtain salix integra seedlings; according to the embodiment of the invention, the treatment solution comprising brown sugar, white vinegar, water and the like is adopted to soak the seeds, so that the nutrients of the seeds of the salix integra are increased, the physiological mechanism of the seeds is changed, the seeds of the salix integra are promoted to root as soon as possible, the rooting rate is high, the cost is low, the salix integra can be protected by an artificial propagation and afforestation mode, and the problem of low rooting rate in the conventional artificial propagation method of the salix integra is solved.
Description
Technical Field
The invention relates to the technical field of vegetation planting, in particular to an artificial breeding method of salix davidii, salix davidii seedlings and application.
Background
The salix integra is a single-species plant of salicaceae, is used as a national three-level key protection plant, has extremely high economic value and ecological value, has high growth speed and beautiful tree shape, can be used as a greening tree species, has very strong ecological benefit, is mostly grown beside river banks and streams, and is an optimal bank protection tree species.
At present, the salix integra is scattered in parts of northeast China, forest land environmental conditions change due to excessive deforestation, and rivers in individual areas are polluted, so that germination of salix integra seeds and growth of seedlings and young trees are influenced. Moreover, the artificial breeding of the salix integra is very difficult, and almost no artificial forest exists at present; propagation tests such as medicament stimulation, tissue culture and the like are carried out by people in the early 60 s, but the problem of low rooting rate exists, the problem that the salix integra cannot be artificially propagated cannot be effectively solved, and the popularization cannot be effectively expanded all the time.
Disclosure of Invention
The embodiment of the invention aims to provide an artificial breeding method of salix integra, which aims to solve the problem of low rooting rate of the existing artificial breeding method of salix integra in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
an artificial breeding method of salix integra comprises the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips;
2) preparing the seed ears: cutting and trimming the seed strips to obtain seed ears;
3) ear-planting treatment: soaking the seed ears in a treatment solution to obtain treated seed ears; the treatment fluid comprises the following raw materials in parts by weight: 1-1.5 parts of brown sugar, 1-1.5 parts of white vinegar and 101 parts of water; by soaking the treatment solution, the nutrients of the salix integra ears are increased, the physiological mechanism of the salix integra ears is changed, and the salix integra ears are promoted to root as soon as possible;
4) cuttage: and carrying out cuttage, watering and field management on the treated seed spikes to obtain the salix integra seedlings.
Preferably, the treatment liquid comprises the following raw materials in parts by weight: 1 part of brown sugar, 1 part of white vinegar and 100 parts of water.
As a further scheme of the invention: the shoots are lignified shoots of salix integra during the 11 months to the 2 months of the next year.
As a still further scheme of the invention: the branches are lignified branches from the beginning of winter of 11 months of salix integra to the beginning of spring of 2 months of the next year. Usually, the tree is picked from the beginning of winter in 11 months to before spring in 2 months of the next year, the tree belongs to a dormant period, and the tree is used for cuttage for breeding seedlings, so that the effect of subsequent cuttage operation is guaranteed.
As a still further scheme of the invention: the water may be selected from river water, well water, spring water, purified water, mineral water, distilled water, deionized water, soft water, etc., and is not limited thereto and may be selected as needed.
As a still further scheme of the invention: the cutting and trimming is to cut the seed strip into strips with the length of 12-14cm and the thickness of the end part of 0.6-1.5cm immediately after the seed strip is cut back.
As a still further scheme of the invention: the soaking time is 6-10 h.
Preferably, the soaking time is 8 hours.
As a still further scheme of the invention: the seed ears are stored before being soaked, wherein the storage is to bury the seed ears by adopting wet sand at the temperature of 0-5 ℃.
As a still further scheme of the invention: the storing step includes transferring the seed spikes into an underground cellar for burying with wet sand, wherein the relative humidity of the wet sand is 60-70%, during burying, one layer of wet sand is paved on one layer of seed spikes, and finally the wet sand with the thickness of 20-30cm is covered, and the temperature of the underground cellar is 0-5 ℃.
As a still further scheme of the invention: before cuttage, the method further comprises a step of land preparation and ridging, wherein after land preparation, high ridging with the height of 8-10cm and the width of the land surface of 100-120cm is manufactured, the land surface is hugged, and herbicide is sprayed in the first week of cuttage.
Preferably, oxyfluorfen (40-50 ml of oxyfluorfen and 15 kg of water per mu) can be selected for spraying to close the ridge surface.
The soil preparation comprises at least one of operations of shallow stubble cleaning, ploughing, deep scarification, harrowing, land leveling, pressing, flat land, land making, ridging and the like, which can be performed by adopting the methods in the prior art. The soil preparation quality has an important relation with the growth and development of seedlings, and the soil preparation can improve the physical properties of soil, soften the soil and facilitate the extension of root systems.
Preferably, in soil preparation, impurities on the soil are removed after selection, stubble cleaning is carried out on farmland lands, then ploughing depth is 20-25 cm, and if necessary, 400 plus 1000 kg of decomposed organic fertilizer is applied to each mu, wherein the specific type of the decomposed organic fertilizer is selected according to requirements, and is not limited herein, or the existing decomposed livestock and poultry manure is used as base fertilizer for fertilization, and the dosage of the organic fertilizer per hectare is 400 plus 1000 kg.
As a still further scheme of the invention: the cuttage density of the cuttage is 400-600 plants/square meter.
As a still further scheme of the invention: after cuttage, water needs to be watered thoroughly immediately, and then watering is carried out timely according to the situation, wherein water is watered once every 10 days until rooting.
As a still further scheme of the invention: the field management comprises measures of artificial weeding, pruning, pest control and the like.
As a still further scheme of the invention: the artificial weeding is to remove weeds by adopting an artificial mode, when the weeds grow to 15-20 cm, the weeds are pulled out by adopting an artificial mode, the weeds are usually removed by adopting the artificial mode, of course, the weeds can also be removed by adopting the existing herbicide, and the specific type is selected according to the requirement, which is not limited here.
As a still further scheme of the invention: the pest control is disease and pest control, the weeping willow rarely has pest and disease damage, occasionally has rotten skin disease, and can be sprayed or coated with 2-degree lime sulfur mixture or equivalent boldo liquid; for preventing root cancer, the root can be irrigated by equivalent or half-amount Bordeaux mixture per plant in the growth period, or 90% dipterex 800-900 times liquid can be sprayed in the peak period of hatching eggs for preventing and treating, or agricultural prevention and treatment measures such as applying 30-40 kg of lime hydrate per mu can be adopted.
Another objective of the embodiments of the present invention is to provide a seedling of salix integra bred by the above artificial breeding method of salix integra.
The embodiment of the invention also aims to provide application of the artificial propagation method of salix integra in vegetative propagation of plants. Specifically, the method can be used for asexual propagation of plants such as Milan, lagerstroemia indica, honeysuckle, wintersweet, sweet osmanthus, camellia, rhododendron, magnolia denudata and the like.
Compared with the prior art, the invention has the beneficial effects that:
the embodiment of the invention provides an artificial breeding method of salix integra, which comprises the steps of seed shoot collection, seed shoot preparation, seed shoot treatment, cuttage and the like, the seed shoots are soaked by adopting a treatment solution comprising brown sugar, white vinegar, water and the like, the nutrients of the seed shoots of salix integra are increased, the physiological mechanism of the seed shoots is changed, the seed shoots of salix integra are promoted to take root as soon as possible, the rooting rate is high, the cost is low, the method is suitable for expanding popularization, the salix integra can be protected by an artificial propagation forestation mode, the economic benefit is considerable, the problem that the rooting rate is not high in the conventional artificial breeding method of salix integra is solved, the endangered plant of salix integra is saved, the seedling condition is created for building the artificial forest of salix integra, and the market prospect is wide.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
An artificial breeding method of salix integra comprises the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips; the branches are lignified branches of salix integra from 11 months of winter to 2 months of next year before spring; usually, the tree is picked from the beginning of winter in 11 months to before spring in 2 months of the next year, the tree belongs to a dormant period, and the tree is used for cuttage for breeding seedlings, so that the effect of subsequent cuttage operation is guaranteed;
2) preparing the seed ears: cutting and trimming the seed strips, specifically cutting the seed strips back and immediately into strips with the length of 12cm and the end thickness of 0.6cm to obtain seed ears; then, the seed spikes are moved into an underground cellar and buried by wet sand, the relative humidity of the wet sand is 60%, when the seed spikes are buried, a layer of wet sand is paved on one layer of seed spikes, and finally, the wet sand with the thickness of 20cm is covered, and the temperature of the underground cellar is 0 ℃;
3) land preparation and bed making: after land preparation, making a high furrow with the height of 8cm and the furrow surface width of 100cm, raking the furrow surface, and spraying oxyfluorfen (the dosage of oxyfluorfen per mu is 40 ml and 15 kg of water) for sealing the furrow surface one week before cuttage;
4) ear-planting treatment: soaking the seed ears in a treatment solution for 6 hours to obtain treated seed ears; wherein the treatment liquid comprises the following raw materials: 1kg of brown sugar, 1kg of white vinegar and 100kg of water; by soaking the treatment solution, the nutrients of the salix integra ears are increased, the physiological mechanism of the salix integra ears is changed, and the salix integra ears are promoted to root as soon as possible;
5) cuttage: carrying out cuttage on the treated seed spikes, wherein the cuttage density of cuttage is 400 plants per square meter, immediately watering thoroughly after cuttage, watering timely according to the situation, watering once every 10 days until rooting, and carrying out field management to obtain salix davidii seedlings; wherein the field management comprises measures of artificial weeding, pruning, pest control and the like.
Example 2
An artificial breeding method of salix integra comprises the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips; the branches are lignified branches of salix integra from 11 months of winter to 2 months of next year before spring; usually, the tree is picked from the beginning of winter in 11 months to before spring in 2 months of the next year, the tree belongs to a dormant period, and the tree is used for cuttage for breeding seedlings, so that the effect of subsequent cuttage operation is guaranteed;
2) preparing the seed ears: cutting and trimming the seed strips, specifically cutting the seed strips back and immediately into strips with the length of 14cm and the end thickness of 1.5cm to obtain seed ears; then, the seed spikes are moved into an underground cellar and buried by wet sand, the relative humidity of the wet sand is 70%, when the seed spikes are buried, a layer of wet sand is paved on one layer of seed spikes, and finally, the wet sand with the thickness of 30cm is covered, and the temperature of the underground cellar is 5 ℃;
3) land preparation and bed making: after land preparation, making a high furrow with the height of 10cm and the furrow surface width of 120cm, raking the furrow surface, and spraying oxyfluorfen (50 ml of oxyfluorfen and 15 kg of water per mu) for sealing the furrow surface in a week before cuttage;
4) ear-planting treatment: soaking the seed ears in a treatment solution for 10 hours to obtain treated seed ears; wherein the treatment liquid comprises the following raw materials: 1.5kg of brown sugar, 1.5kg of white vinegar and 101kg of water; by soaking the treatment solution, the nutrients of the salix integra ears are increased, the physiological mechanism of the salix integra ears is changed, and the salix integra ears are promoted to root as soon as possible;
5) cuttage: carrying out cuttage on the treated seed spikes, wherein the cuttage density of cuttage is 600 plants/square meter, immediately watering thoroughly after cuttage, watering timely according to the situation, watering once every 10 days until rooting, and carrying out field management to obtain salix davidii seedlings; wherein the field management comprises measures of artificial weeding, pruning, pest control and the like.
Example 3
An artificial breeding method of salix integra comprises the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips; the branches are lignified branches of salix integra from 11 months of winter to 2 months of next year before spring; usually, the tree is picked from the beginning of winter in 11 months to before spring in 2 months of the next year, the tree belongs to a dormant period, and the tree is used for cuttage for breeding seedlings, so that the effect of subsequent cuttage operation is guaranteed;
2) preparing the seed ears: cutting and trimming the seed strips, specifically cutting the seed strips back and immediately into strips with the length of 13cm and the end thickness of 1cm to obtain seed ears; then, the seed spikes are moved into an underground cellar and buried by wet sand, the relative humidity of the wet sand is 65%, when the seed spikes are buried, a layer of wet sand is paved on one layer of seed spikes, finally, the wet sand with the thickness of 25cm is covered, and the temperature of the underground cellar is 0 ℃;
3) land preparation and bed making: after land preparation, making a high furrow with the height of 10cm and the furrow surface width of 120cm, raking the furrow surface, and spraying oxyfluorfen (50 ml of oxyfluorfen and 15 kg of water per mu) for sealing the furrow surface in a week before cuttage;
4) ear-planting treatment: soaking the seed ears in a treatment solution for 8 hours to obtain treated seed ears; wherein the treatment liquid comprises the following raw materials: 1kg of brown sugar, 1kg of white vinegar and 100kg of water; by soaking the treatment solution, the nutrients of the salix integra ears are increased, the physiological mechanism of the salix integra ears is changed, and the salix integra ears are promoted to root as soon as possible;
5) cuttage: carrying out cuttage on the treated seed spikes, wherein the cuttage density of cuttage is 400 plants per square meter, immediately watering thoroughly after cuttage, watering timely according to the situation, watering once every 10 days until rooting, and carrying out field management to obtain salix davidii seedlings; wherein the field management comprises measures of artificial weeding, pruning, pest control and the like.
Example 4
The artificial breeding of salix integra (the time is 2011, 4 and 20 days, and the seed sticks are collected from the wild salix integra) is performed according to the artificial breeding method of salix integra in the embodiment 3, and the artificial breeding method is specifically divided into an experimental group and a control group, wherein in the experimental group and the control group, the conditions are the same except the conditions during the seed spike treatment, the specific seed spike treatment refers to table 1, and the rooting rates of the experimental group and the control group are correspondingly counted.
TABLE 1 statistical results Table
As can be seen from the comparison of the data in table 1, the nutrients of the salix integra spikes are increased by soaking the treatment solution, the physiological mechanism of the salix integra spikes is changed, and the salix integra spikes are promoted to root as soon as possible, wherein the rooting rate is 85% at the highest when the treatment solution with the ratio of brown sugar, white vinegar and water being 1:1:100 is soaked for 8 hours, and the rooting rate is 3% of the non-treatment rate of the control group at the lowest.
Example 5
The artificial breeding of salix integra is carried out according to the artificial breeding method of salix integra in example 3 (the time is 4-15 days in 2014, and the seed sticks are collected from salix integra in a nursery), and the artificial breeding method is specifically divided into an experimental group and a control group, wherein in the experimental group and the control group, the conditions are the same except for the condition during the seed spike treatment, and the specific seed spike treatment refers to table 2, so that the rooting rates of the experimental group and the control group are counted correspondingly.
TABLE 2 statistical results Table
As can be seen from the comparison of the data in table 2, the nutrients of the seed ears of salix integra are increased by soaking the treatment solution, the physiological mechanism of the seed ears of salix integra is changed, and the seed ears of salix integra are promoted to root as soon as possible, wherein the rooting rate is the highest and 98% when the treatment solution with the ratio of brown sugar, white vinegar and water being 1:1:100 is soaked for 8 hours, and the rooting rate is 17% of the rooting rate which is not treated in the control group.
Furthermore, as can be seen from a comparison of the data in tables 1 and 2, the rooting rate of the nursery seed strips (collected from the nursery willow) is 98% higher than that of the wild seed strips (collected from the wild willow), which is due to domestication of the nursery seed strips.
Example 6
The artificial breeding of salix integra (collecting seed strips from salix integra in nursery garden) is performed according to the artificial breeding method of salix integra in example 3, and the artificial breeding method is specifically divided into an experimental group and a control group, wherein the experimental group and the control group have the same conditions except for different conditions during seed spike treatment, and the specific seed spike treatment is shown in table 3, and the rooting rates of the experimental group and the control group are correspondingly counted.
TABLE 3 statistical results Table
As can be seen from the comparison of the data in table 3, the nutrients of the seed ears of salix integra are increased by soaking the treatment solution, the physiological mechanism of the treatment solution is changed, and the seed ears of salix integra are promoted to root as soon as possible, wherein the treatment solution prepared from brown sugar, white vinegar and water in a ratio of 1:1:100 has the highest rooting rate (98%) after soaking for 8 hours, while the rooting rate treated by the brown sugar and the water alone is 74%, and the rooting rate treated by the white vinegar and the water alone is 67%.
Example 7
An artificial breeding method of salix integra comprises the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips; the branches are lignified branches of salix integra from 11 months of winter to 2 months of next year before spring; usually, the tree is picked from the beginning of winter in 11 months to before spring in 2 months of the next year, the tree belongs to a dormant period, and the tree is used for cuttage for breeding seedlings, so that the effect of subsequent cuttage operation is guaranteed;
2) preparing the seed ears: cutting and trimming the seed strips, specifically cutting the seed strips back and immediately into strips with the length of 12-14cm and the end thickness of 0.6-1.5cm to obtain seed ears; then, the seed spikes are moved into an underground cellar and buried by wet sand, the relative humidity of the wet sand is 60%, when the seed spikes are buried, a layer of wet sand is paved on one layer of seed spikes, and finally, the wet sand with the thickness of 20cm is covered, and the temperature of the underground cellar is 0-5 ℃;
3) land preparation and bed making: after land preparation, making a high furrow with the height of 10cm and the furrow surface width of 120cm, raking the furrow surface, and spraying oxyfluorfen (50 ml of oxyfluorfen and 15 kg of water per mu) for sealing the furrow surface in a week before cuttage;
4) ear-planting treatment: soaking the seed ears in a treatment solution prepared from brown sugar, white vinegar and water in a weight ratio of 1:1:100 for 8 hours to obtain treated seed ears; by soaking the treatment solution, the nutrients of the salix integra ears are increased, the physiological mechanism of the salix integra ears is changed, and the salix integra ears are promoted to root as soon as possible;
5) cuttage: carrying out cuttage on the treated seed spikes, wherein the cuttage density of cuttage is 400 plants per square meter, immediately watering thoroughly after cuttage, watering timely according to the situation, watering once every 10 days until rooting, and carrying out field management to obtain salix davidii seedlings; wherein the field management comprises measures of artificial weeding, pruning, pest control and the like.
Example 8
The same as example 7 except that the cutting density was 500 plants/m, compared to example 7.
Example 9
Same as example 7 except that the cutting density was 600 plants/m compared to example 7.
Example 10
Artificially breeding salix integra according to the salix integra artificial breeding method in the embodiment 7-9 to obtain salix integra seedlings (the cuttage time is 5 months and 15 days in 2013), and counting the quality of the corresponding salix integra seedlings, wherein the specific statistical result is shown in table 4; wherein the height is more than 1m, and the ground diameter is more than 0.35cm, which is the seedling meeting the afforestation requirement.
TABLE 4 statistical results Table
| Group of | Cutting density | Average ground diameter of one year | Average height per year |
| Example 7 | 400 plants/square meter | 0.4cm | 130cm |
| Example 8 | 500 plants/square meter | 0.2cm | 90cm |
| Example 9 | 600 plants/square meter | 0.13cm | 50cm |
As can be seen from the data in table 4, in this embodiment, the average annual height of the salix integra seedlings with the cutting density of 400 plants/square meter is 130cm, the average ground diameter is 0.4cm, the requirement of afforestation is met, the seedlings out of the nursery belong to high-quality seedlings, and the optimal cutting density condition is that the cutting density is 400 plants/square meter.
The method has the beneficial effects that the embodiment of the invention provides an artificial breeding method of the salix integra, and the artificial breeding method of the salix integra comprises the steps of seed strip collection, seed ear production, seed ear treatment, cuttage and the like; the processing liquid containing the raw materials of brown sugar, white vinegar, water and the like is adopted to soak the seed ears, so that the nutrients of the seed ears of the salix integra are increased, the physiological mechanism of the seed ears of the salix integra is changed, the seed ears of the salix integra are promoted to root as soon as possible, the rooting rate is high, the cost is low, the method is suitable for expanding popularization, the salix integra can be protected by an artificial propagation forestation mode, the economic benefit is considerable, the problem that the rooting rate is low in the existing artificial breeding method of the salix integra is solved, seedling conditions are created for saving endangered plants of the salix integra, and the method has a wide market prospect.
The artificial propagation method of the salix integra is asexual propagation (spring cutting), the specific implementation places comprise a forestry center nursery of the south-of-the-Ganshun county in Heilongjiang province, a salix robusta nursery of the south-of-the-Gansu county, a seedling center of the salix rhynchophylla seedling (Qiqi Harl city), a forest farm of the south-of-the-Gansu county and the like, the rooting rate is 85-98% by soaking the salix rhynchophylla seedling center in the treatment solution for 8 hours, the method is an effective method, can be used for the artificial asexual propagation in spring, solves the problem that the salix rhynchophylla cannot be artificially propagated, creates seedling conditions for saving endangered plants of the salix rhynchophylla and building artificial forest of the salix rhynchophylla, and repeatedly tests for 7 years, adopts the treatment solution with the weight ratio of brown sugar, white vinegar and water being 1:1:100, the rooting rate being over 95% for soaking for 8 hours, so that the salix rhynchophylla, has great economic benefit and social benefit.
It needs to be further explained that the construction of the artificial forest of the salix integra is feasible, the endangered tree species can be protected by artificial propagation and forestation, millions of high-quality salix integra seedlings can be produced every 10 mu of land, and the economic benefit is considerable. By utilizing the method in 2018 and on the basis of obtaining the cutting seedling raising experience, 120 thousands of seedlings of the salix davidii are raised, seedlings are provided for depression forestation and river diking, and millions of seedlings of the salix davidii are produced in the current year, so that the method has great economic benefit and social benefit.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. An artificial breeding method of salix integra is characterized by comprising the following steps:
1) seed strip collection: collecting lignified branches of salix integra to obtain seed strips;
2) preparing the seed ears: cutting and trimming the seed strips to obtain seed ears;
3) ear-planting treatment: soaking the seed ears in a treatment solution to obtain treated seed ears; the treatment fluid comprises the following raw materials in parts by weight: 1-1.5 parts of brown sugar, 1-1.5 parts of white vinegar and 101 parts of water;
4) cuttage: and carrying out cuttage and field management on the treated seed spikes to obtain the salix integra seedlings.
2. The artificial breeding method of salix integra according to claim 1, wherein the shoots are lignified shoots of salix integra during the period from 11 months to 2 months in the next year.
3. The artificial propagation method of salix integra as claimed in claim 1, wherein the cutting and trimming is to cut the seed strips into strips with a length of 12-14cm and a thickness of 0.6-1.5 cm.
4. The artificial propagation method of salix integra according to claim 1, wherein the soaking time is 6-10 h.
5. The artificial propagation method of salix integra as claimed in claim 1, wherein the step of storing the seed ears before soaking is carried out, and the storing step is to bury the seed ears at 0-5 ℃ by using wet sand.
6. The artificial propagation method of salix integra as claimed in claim 5, wherein the relative humidity of the wet sand is 60-70%.
7. The artificial propagation method of salix integra as claimed in claim 1, further comprising a land preparation and bedding step before cuttage.
8. The artificial propagation method of salix rhynchophylla as claimed in claim 1, wherein the cutting density of the cutting is 400-600 plants/square meter.
9. A seedling of the salix integra bred by the artificial breeding method of the salix integra as claimed in any one of claims 1 to 8.
10. Use of the artificial propagation method of salix integra according to any one of claims 1 to 8 for asexual propagation of plants.
Priority Applications (1)
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