CN103039240A - Seeding and seedling raising method for waterbirch in Three Gorges Reservoir region - Google Patents
Seeding and seedling raising method for waterbirch in Three Gorges Reservoir region Download PDFInfo
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- CN103039240A CN103039240A CN2012105845005A CN201210584500A CN103039240A CN 103039240 A CN103039240 A CN 103039240A CN 2012105845005 A CN2012105845005 A CN 2012105845005A CN 201210584500 A CN201210584500 A CN 201210584500A CN 103039240 A CN103039240 A CN 103039240A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
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- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 238000009331 sowing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims description 5
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- Cultivation Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention relates to a plant seed propagation technique, in particular to a seeding and seedling raising method for waterbirch in the Three Gorges Reservoir region. Seeding is performed in late February at the temperature of 15-18 DEG C. The method includes the steps: soaking seeds in warm water at the temperature of 50-60 DEG C for 24-48h to obtain pretreated seeds; well mixing the seeds with sandy soil according to the volume ratio of 1:1-3, uniformly spreading the mixture into the sand bed, covering with sandy soil, and performing heat preservation and moisture preservation treatment; thoroughly watering a seedbed for two to three times a day after seeding is finished; and after the temperature is up to 25 DEG C, increasing watering times, and watering when the surface of the sand bed is grey. The seeds in the seedbed start to sprout about eight to ten days after seeding, the duration is 15 days, the rate of emergence of waterbirch seeds is about 15%, and seedlings grow in order. The seeding and seedling raising method provides effective solutions for subsequent ecological balance and especially makes great contributions to solution of the problems of landslide and greening of hydro-fluctuation belts in the Three Gorges Reservoir region.
Description
Technical field
The present invention relates to the seminal propagation technology of a Plants, specifically the seeding growing seedlings method of western paper birth.
Background technology
Birch is the common name of Betula plant, is specially the genus of Betulaceae, mainly is grown in Northern Hemisphere temperate climate.The whole world approximately has 100 kinds, mainly is distributed in the north temperate zone, and a few species is distributed to the frigid zone.Birch is shrub or middle-size and small-size arbor normally, the edge indentation of single leaf of birch, or the shallow shape that splits.Its fruit is little samara, although the wing on some kind fruits is not obvious.The difference of birch and alder (alder, another of same section belongs to) is, and is different from the strobilaceous female catkin of the lignified class of alder, can lignification and cracked after the female catkin maturation of birch, and to discharge seed.The frequent species of birch comprises white birch, grey birch, Huang Hua, sweet birch and western paper birth etc.Western paper birth has another name called red birch, river birch, formal name used at school Betulanigra, Betulaceae (Betulaceae), Betula is viewed and admired tree, and natural distribution is in coastal plain marsh, U.S. south, flood land, distributes from southern Illinois, Virginia is to the moist location of Texas seashore.The bark bronzing that the high 18-25 rice of western paper birth, veteran are done has zanjon, is cleaved into the uneven close and scale be close to.Trunk and the branch on top are level and smooth, and salmon colour has metallic luster to the rose cinnamon.Leaf wedge shape bottle green, glossy, the irregular heavy sawtooth of tool, the vein of blade back is by hair.
The reservoir area of Three Gorges is the relatively new ground noun of on the Chinese geography, and it has comprised the Yangtze river basin because of the covered region of building of the three gorges hydropower plant, and area is larger.After Three Gorges Projects were built up fully, winter, the reservoir impoundment power generation water level was 175 meters, and summer, flood control level was down to 145 meters, and the soil that exposes of 30 meters heights of water is exactly the falling zone therebetween.According to statistics, the Three Gorges Reservoir area reaches more than 400 square kilometre, is distributed in Hubei Province, all districts, reservoir area, Chongqing City.The ecology of reservoir area fluctuating zone and Greening problem are difficult problems that needs to be resolved hurrily.Be planted in the plant of falling zone, must satisfy the water-fast rapidly basic demand of flooding and grow.And western paper birth has water-fast flooding, and is drought-resistant, acid resistance, the rapidly characteristic of growing is good reservoir area fluctuating zone ecological management seeds, also can view and admire tree and street tree, in addition timber can furniture processed, woodenware etc.Western paper birth can be used as reservoir area fluctuating zone ecological management seeds, and abominable mire and the marshland habitat conditions in the falling zone through indomitable fight, progressively adapts to.Tool resistance tocrocking, the growth characteristics such as very fast.Enrich Species Diversity, promote ecological construction.
In agriculture and forestry are produced, during different plant cuttage condition there are different demands.Understand and comply with their demand, could obtain higher breeding success rate.Improving the ecology of reservoir area fluctuating zone and Greening problem must be based upon and look for a kind of preferably western paper birth seedling-cultivating method.
Summary of the invention
In view of this, the invention provides the method that is fit to reservoir area of Three Gorges western paper birth seeding and seedling raising, the method is simple and survival rate is high.
For achieving the above object, technical scheme of the present invention is:
The method of reservoir area of Three Gorges western paper birth seeding and seedling raising, being chosen in the late Febuary temperature is to sow under 15-18 ℃ the condition, specifically may further comprise the steps:
The preliminary treatment of A seed
With 50-60 ℃ of emerge in worm water 24-48 hour, get the preliminary treatment seed;
The B sowing
Be 1 with preliminary treatment seed and sandy soil according to volume ratio: 1-3 fully mixes, and evenly is sprinkled in the husky bed, and covers with sandy soil, and carry out heat and moisture preserving and process;
C grows seedlings
Sow complete after, fully watered in the seedbed, watering time is 2-3 days/time; After temperature rose 25 ℃, irrigation times increased, and watered when canescence appears in husky bed surface.
Further, among the method step A of described reservoir area of Three Gorges western paper birth seeding and seedling raising, soaked 48 hours with 50-60 ℃ of PBS solution, get the preliminary treatment seed.
Further, among the method step A of described reservoir area of Three Gorges western paper birth seeding and seedling raising, soaked 48 hours with 50-60 ℃ of PBS solution, drip hyclone in the described PBS solution, the concentration expressed in percentage by volume of described hyclone is 3-5%, gets the preliminary treatment seed.
Among the method step B of further described reservoir area of Three Gorges western paper birth seeding and seedling raising, be fully to mix at 1: 2 preliminary treatment seed and sandy soil according to volume ratio, evenly be sprinkled in the husky bed, and cover with sandy soil, and cover plastic film and carry out heat and moisture preserving, the ratio of sowing is according to the even sowing 25-30g western paper birth seed of every square metre of husky bed.
Further, among the method step B of described reservoir area of Three Gorges western paper birth seeding and seedling raising, prior to seeding, husky bed is carried out sterilization treatment.
Further, among the method step B of described reservoir area of Three Gorges western paper birth seeding and seedling raising, husky bed used front 10-20 days, be that 800 times of liquid of 40% carbendazim of 2%～3% copperas solution or mass percentage concentration spray bed surface with mass percentage concentration, after fully squirting soil, cover with plastic film, throw off film after 5-8 days, can use husky bed after 2-3 days.
Further, among the method step B of described reservoir area of Three Gorges western paper birth seeding and seedling raising, preliminary treatment seed and sandy soil are fully mixed, evenly be sprinkled in the husky bed, and cover with sandy soil, used 20-40 order humus soil secondary to cover, cladding thickness is 1-2mm.
Beneficial effect of the present invention: the seed that the present invention selects, germination rate reach more than 49.5%, and germination vigor reaches more than 23.5%; After planting about 8-10 days, seed begins to germinate employing this method in the seedbed, and the duration is 15 days, and the emergence rate of western paper birth seed is about 15%, and growth of seedling is comparatively neat; This seedling-cultivating method provides effective solution for the ecological balance of follow-up reservoir area, especially makes huge contribution for the greening and the Landslide Problems that solve follow-up reservoir area fluctuating zone.
Embodiment
Below will gather embodiment the present invention will be further described for the ease of it will be appreciated by those skilled in the art that.Component and proportioning thereof used among the embodiment are to illustrate of the present invention, are not limitation of the invention.The preparation method of the various loquat preserved fruits among the embodiment all is prior arts, is not described in detail at this.The present invention is described further below in conjunction with embodiment.
Embodiment one
Introduce the western paper birth seed by Chinese arboreal seeds branch from the U.S., calculate the thousand kernel weight of western paper birth, be specially and be 1.192g.
Germination test.Method: 3-4 metafiltration paper is put into culture dish, soak with sterile water, get the seed that soaked 48 hours and evenly put into culture dish, 100 seeds in each ware, 4 processing are put into 24 ℃ of constant incubators and are cultivated, the observation of germinateing.Germination test final (seed sprouting begins, and the duration is 10 days), germination rate is 49.5%, and germination vigor is 23.5%.
Embodiment two
The seed of getting embodiment one is with 60 ℃ of emerge in worm water, and filter seed after 24 hours is stand-by.
The sterilization in seedbed is prepared: preferably husky bed of gas permeability is selected in the seedbed, used front 10 days, be that 2% copperas solution sprays bed surface with mass percentage concentration, fully squirt soil after, with the plastic film covering, throw off film after 5 days, can use after 2 days.With the seed after soaking and a small amount of husky mixing (be 1: 3 fully mix according to volume ratio with seed and sandy soil), evenly be sprinkled in the sand bed, sow completely, with the sandy soil covering, and cover the plastic film heat and moisture preserving.
Sow completely, the seedbed is watered permeable, make arched roof, in the above covered with plastic film moisture-heat preservation with bamboo matter or ferrous material.Take covered with sunshade net on the film according to climatic condition, keep out of the direct sun.Behind the seed sprouting, raise the plastic film two ends and breathe freely.Water in good time.Be that the sand on surface, seedbed begins to become the opportunity of watering greyish white, can water, when watering the seedbed is irrigated; Behind the seed sprouting, need to raise the plastic film two ends and breathe freely, each 1 time sooner or later.
After planting about 10 days, seed begins to germinate in the seedbed, and the duration is 15 days, and the emergence rate of western paper birth seed is about 15%, and growth of seedling is comparatively neat.
The comparative example two
Difference with embodiment two is not disinfection of seedbed.The emergence rate of western paper birth seed is about 8%, the flavescence of part seedling even death.
Embodiment three
The seed of getting embodiment one is with 50 ℃ of emerge in worm water, and filter seed after 48 hours is stand-by.
The sterilization in seedbed is prepared: preferably husky bed of gas permeability is selected in the seedbed, uses front 10 days, sprays bed surface with 800 times of liquid of 40% carbendazim of mass percentage concentration, fully squirt soil after, cover with plastic film, throw off film after 8 days, can use after 3 days.Seed after soaking is mixed with a small amount of sand (be fully to mix at 1: 1 seed and sandy soil according to volume ratio), evenly be sprinkled in the husky bed, sow complete, cover with sandy soil, again cover with crossing 200 order humus soils, cladding thickness is that the 2mm secondary covers, and covers the plastic film heat and moisture preserving.
Sow completely, the seedbed is watered permeable, make arched roof, in the above covered with plastic film moisture-heat preservation with bamboo matter or ferrous material.Take covered with sunshade net on the film according to climatic condition, keep out of the direct sun.Behind the seed sprouting, raise the plastic film two ends and breathe freely.Water in good time.Be that the sand on surface, seedbed begins to become the opportunity of watering greyish white, can water, when watering the seedbed is irrigated; Behind the seed sprouting, need to raise the plastic film two ends and breathe freely, each 1 time sooner or later.
After planting about 8 days, seed begins to germinate in the seedbed, and the duration is 15 days, and the emergence rate of western paper birth seed is about 23%.
The comparative example three
Difference with embodiment three is that seed does not carry out preliminary treatment with warm water.After planting about 8 days, the western paper birth seed begins to germinate, and the duration is 15 days, and the emergence rate of western paper birth seed is about 15%, and the most agglomerating distributions of seedling are germinateed inhomogeneous.
Embodiment four
The seed of getting embodiment one soaks filter seed after 48 hours with 50 ℃ of PBS solution, and is stand-by.
The sterilization in seedbed is prepared: preferably husky bed of gas permeability is selected in the seedbed, uses front 10 days, sprays bed surface with 800 times of liquid of 40% carbendazim of mass percentage concentration, fully squirt soil after, cover with plastic film, throw off film after 8 days, can use after 3 days.Seed after soaking is mixed with a small amount of sand (be fully to mix at 1: 2 seed and sandy soil according to volume ratio), evenly be sprinkled in the husky bed, sow complete, cover with sandy soil, again cover with crossing 200 order humus soils, cladding thickness is that the 2mm secondary covers, and covers the plastic film heat and moisture preserving.
Sow completely, the seedbed is watered permeable, make arched roof, in the above covered with plastic film moisture-heat preservation with bamboo matter or ferrous material.Take covered with sunshade net on the film according to climatic condition, keep out of the direct sun.Behind the seed sprouting, raise the plastic film two ends and breathe freely.Water in good time.Be that the sand on surface, seedbed begins to become the opportunity of watering greyish white, can water, when watering the seedbed is irrigated; Behind the seed sprouting, need to raise the plastic film two ends and breathe freely, each 1 time sooner or later.
Embodiment five
It is that the PBS solution of the hyclone of 3-5% soaks filter seed after 48 hours that the seed of getting embodiment one contains concentration expressed in percentage by volume with 50 ℃, stand-by.
The sterilization in seedbed is prepared: preferably husky bed of gas permeability is selected in the seedbed, uses front 10 days, sprays bed surface with 800 times of liquid of 40% carbendazim of mass percentage concentration, fully squirt soil after, cover with plastic film, throw off film after 8 days, can use after 3 days.Seed after soaking is mixed with a small amount of sand (be fully to mix at 1: 2 seed and sandy soil according to volume ratio), evenly be sprinkled in the husky bed, sow complete, cover with sandy soil, again cover with crossing 200 order humus soils, cladding thickness is that the 2mm secondary covers, and covers the plastic film heat and moisture preserving.
Sow completely, the seedbed is watered permeable, make arched roof, in the above covered with plastic film moisture-heat preservation with bamboo matter or ferrous material.Take covered with sunshade net on the film according to climatic condition, keep out of the direct sun.Behind the seed sprouting, raise the plastic film two ends and breathe freely.Water in good time.Be that the sand on surface, seedbed begins to become the opportunity of watering greyish white, can water, when watering the seedbed is irrigated; Behind the seed sprouting, need to raise the plastic film two ends and breathe freely, each 1 time sooner or later.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. the method for reservoir area of Three Gorges western paper birth seeding and seedling raising, being chosen in the late Febuary temperature is to sow under 15-18 ℃ the condition, it is characterized in that, specifically may further comprise the steps:
The preliminary treatment of A seed
With 50-60 ℃ of emerge in worm water 24-48 hour, get the preliminary treatment seed;
The B sowing
Be 1 with preliminary treatment seed and sandy soil according to volume ratio: 1-3 fully mixes, and evenly is sprinkled in the husky bed, and covers with sandy soil, and carry out heat and moisture preserving and process;
C grows seedlings
Sow complete after, fully watered in the seedbed, watering time is 2-3 days/time; After temperature rose 25 ℃, irrigation times increased, and watered when canescence appears in husky bed surface.
2. the method for reservoir area of Three Gorges according to claim 1 western paper birth seeding and seedling raising is characterized in that: in the steps A, soaked 48 hours with 50-60 ℃ of PBS solution, get the preliminary treatment seed.
3. the method for reservoir area of Three Gorges according to claim 2 western paper birth seeding and seedling raising, it is characterized in that: in the steps A, soaked 48 hours with 50-60 ℃ of PBS solution, drip hyclone in the described PBS solution, the concentration expressed in percentage by volume of described hyclone is 3-5%, gets the preliminary treatment seed.
4. the method for reservoir area of Three Gorges according to claim 1 western paper birth seeding and seedling raising, it is characterized in that: among the step B, be fully to mix at 1: 2 preliminary treatment seed and sandy soil according to volume ratio, evenly be sprinkled in the husky bed, and cover with sandy soil, and cover plastic film and carry out heat and moisture preserving, the ratio of sowing is according to the even sowing 25-30g western paper birth seed of every square metre of husky bed.
5. the method for reservoir area of Three Gorges according to claim 1 western paper birth seeding and seedling raising is characterized in that: among the step B, prior to seeding, husky bed is carried out sterilization treatment.
6. the method for reservoir area of Three Gorges according to claim 5 western paper birth seeding and seedling raising, it is characterized in that: among the step B, husky bed used front 10-20 days, be that 800 times of liquid of 40% carbendazim of 2%～3% copperas solution or mass percentage concentration spray bed surface with mass percentage concentration, after fully squirting soil, cover with plastic film, throw off film after 5-8 days, can use husky bed after 2-3 days.
7. the method for reservoir area of Three Gorges according to claim 5 western paper birth seeding and seedling raising is characterized in that: among the step B, preliminary treatment seed and sandy soil are fully mixed, evenly be sprinkled in the husky bed, and with the sandy soil covering, cover with the humus soil powder second, cladding thickness is 1-2mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636402A (en) * | 2013-12-27 | 2014-03-19 | 任立 | Method for planting walnut trees in wet land hydro-fluctuation belt by using grafting technique |
| CN103636402B (en) * | 2013-12-27 | 2015-08-19 | 任立 | Utilize graft technology in the method for wetland falling zone plantation walnut |
| CN106105871A (en) * | 2016-07-27 | 2016-11-16 | 吕爱萍 | A kind of soil beds with moisture retention |
| CN107306740A (en) * | 2017-07-31 | 2017-11-03 | 中国科学院西双版纳热带植物园 | A kind of indian pseudostreblus bark sapling multiplication method |
| CN107580950A (en) * | 2017-09-29 | 2018-01-16 | 重庆市林业科学研究院 | A kind of Nanchuan wood pineapple sand bed method for culturing seedlings |
| CN110999701A (en) * | 2019-12-11 | 2020-04-14 | 福建省林业科学研究院（福建省林业技术发展研究中心、福建省林业生产力促进中心、中国林业科学研究院海西分院） | Sowing and seedling raising method for birch min seeds |
| CN110999701B (en) * | 2019-12-11 | 2021-07-20 | 福建省林业科学研究院（福建省林业技术发展研究中心、福建省林业生产力促进中心、中国林业科学研究院海西分院） | Sowing and seedling raising method for birch min seeds |
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|---|---|
| CN103039240B (en) | 2014-11-05 |
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