CN101243759B - Trunk-burying germination-forcing epicormic branch cuttage raise seedling technique - Google Patents
Trunk-burying germination-forcing epicormic branch cuttage raise seedling technique Download PDFInfo
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- CN101243759B CN101243759B CN2008100572908A CN200810057290A CN101243759B CN 101243759 B CN101243759 B CN 101243759B CN 2008100572908 A CN2008100572908 A CN 2008100572908A CN 200810057290 A CN200810057290 A CN 200810057290A CN 101243759 B CN101243759 B CN 101243759B
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- seedling
- vernalization
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- aspen
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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
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Abstract
The invention discloses a seedling culture method of pregermination with buried stems and cutting with twig for aspen, which is as follow: firstly, a layer of cow dung is spread in a germination accelerating bed in a greenhouse; secondly, a layer of accelerating germination substrate is spread; thirdly, seedling stems are laid on the accelerating germination substrate, and then are covered by a layer of accelerating germination substrate; fourthly, the seedling stems are accelerated for germination, wherein, the temperature in the germination accelerating bed is kept between 12 and 25 DEG C; the temperature in the greenhouse is 15 to 30 DEG C; the relative humidity is 75 to 80%; fifthly, when the sprouts are 5 to 15 cm high, the twigs are used for cuttage and are transplanted in the fieldone month later. The seedling culture method has the advantages of high propagation coefficient and satisfaction for the demand of afforestation.
Description
Technical field
The present invention relates to a kind of botanical seedling culturing technology, relate in particular to a kind of method of aspen vernalization cuttage and seedling culture.
Background technology
Aspen (Populus davidiana Dode) belongs to white poplar sends seeds, and arbor is up to 25 meters.Mainly be distributed in northeast, northwest, North China, Central China and southwestern alpine belt in China.Normal become pure forest or distribute with mixed friendship such as Chinese pine, birch, dragon spruce, be the seeds the widest, volume of timber accumulation maximum that distribute in the willow, also be the mountain region dominant tree species of sylvosteppe, wet grassland and dry steppe climatic region, high mountain low temperature that can be anti--50 ℃, barren-resistant has than the strong drought resistant ability.
In the prior art, the aspen nursery stock mainly adopts the root turion seedling to afforest, and the method for root segment breeding is also adopted in the breeding of nursery stock.
There is following shortcoming at least in above-mentioned prior art: reproduction coefficient is smaller, is difficult to satisfy the demand of afforestation.
Summary of the invention
The method that the purpose of this invention is to provide the big trunk-burying germination-forcing epicormic branch cuttage raise seedling of a kind of reproduction coefficient.
The objective of the invention is to be achieved through the following technical solutions:
The method of trunk-burying germination-forcing epicormic branch cuttage raise seedling of the present invention is at first buried dried vernalization, and when bud carries out the tender shoots cuttage up to 5～15cm the time, described burying done vernalization and comprised:
At first the vernalization furrow middle berth one deck cow dung in warm canopy repaves one deck vernalization matrix, puts the aspen seedling then and do on vernalization matrix, and cover one deck vernalization matrix on the aspen seedling is done;
The temperature of described vernalization furrow is 12～25 ℃, and the temperature in the described temperature canopy is that 15～30 ℃, relative moisture are 75～80%.
As seen from the above technical solution provided by the invention, the method of trunk-burying germination-forcing epicormic branch cuttage raise seedling of the present invention, because the vernalization furrow middle berth one deck cow dung in warm canopy at first, repave one deck vernalization matrix, putting the aspen seedling then on vernalization matrix does, and on doing, the aspen seedling covers one deck vernalization matrix, keeping the temperature of vernalization furrow is 12～25 ℃, the temperature of temperature in the canopy is that 15～30 ℃, relative moisture are 75～80%, bury dried vernalization, when bud carries out the tender shoots cuttage up to 5～15cm the time, reproduction coefficient is big.
Embodiment
The method of trunk-burying germination-forcing epicormic branch cuttage raise seedling of the present invention, its preferable embodiment are at first to bury dried vernalization, when bud carries out the tender shoots cuttage up to 5～15cm the time.
Wherein burying dried vernalization specifically comprises:
The vernalization furrow middle berth one deck cow dung in warm canopy at first, repave one deck vernalization matrix, putting the aspen seedling then on vernalization matrix does, and on doing, the aspen seedling covers one deck vernalization matrix, keeping the temperature of vernalization furrow is 12～25 ℃, and the temperature in the warm canopy is that 15～30 ℃, relative moisture are 75～80%.
The thickness of the cow dung layer of being spread in the vernalization furrow is 8～12cm, and the thickness of the vernalization matrix on cow dung layer upper berth is 4～6cm, and it is 5～8cm that the aspen seedling is done the thickness of going up the vernalization matrix that covers.The aspen seedling is done and can be selected for use 1 year seedling of northeast aspen to do, and the density of putting that the aspen seedling is done is that seedling is done 2～3cm at interval, also can select for use other aspen seedling to do.
Vernalization matrix can select for use thin river sand to mix in 1: 1 ratio with peat soil, also can select other vernalization matrix for use.Vernalization matrix can also can carry out disinfection with other thimerosal with millesimal carbendazim sterilization before using.
Vernalization furrow leveling back can be spilt one time 3% furans pellet earlier before the cow dung of shop, consumption is 4～6g/cm
2, kill soil insect.
On the vernalization matrix put the aspen seedling also can at first spread fertilizer over the fields before doing 3% furans red with 25% carbendazim mixed powder in 1: 1 ratio, consumption is 8～12g/m
2
Bury and do vernalization and can carry out at late March, late April the bud height just can reach 5～15cm, can carry out the tender shoots cuttage, late May can be carried out field-transplanting.
Before the tender shoots cuttage at first with tender shoots with the soaking with indole butyric acid of 500ppm 8～12 minutes, in nutrient cup or seedling culture hole plate, carry out cuttage then, the cutting density of seedling culture hole plate is 330 strains/m
2, the cutting density of nutrient cup is 255 strains/m
2
First week added the sunshade net after the tender shoots cuttage, and spraying keeps blade face humidity, each spray 10～25 seconds, morning, afternoon spray less, diligent spray at noon, evening stop-spraying, reduce the water spray number of times after 15 days gradually, prolong the blanking time of spraying water, and add forced ventilation, increase intensity of illumination, and stopped water spray in preceding four days in field-transplanting.
Specific embodiment:
Seedling dry separation is selected and germination accelerating method:
Having chosen 1 year seedling of northeast aspen of forest-science academy, China Dark Longjiang cultivation does.Vernalization matrix be mixed according to 1: 1 ratio with thin river sand and peat soil even, with being used further to bury dried vernalization after the millesimal carbendazim sterilization.Vernalization is carried out at Wen Peng, and warm canopy specification is 240m
2～480m
2After the leveling of temperature canopy, spread fertilizer over the fields the furans pellet earlier one time, kill soil insect, consumption is 5g/m
2(3% granula), shop one deck about thickness 10cm, spreads fertilizer over the fields the thick fine sand of one deck 5cm without the pure cow dung of becoming thoroughly decomposed on cow dung, spread fertilizer over the fields the mixed powder of 3% furans pellet and 25% carbendazim (1: 1) then on fine sand, and consumption is 10g/m
2, evenly remove and execute, spray one time clear water, make the vernalization furrow reach preference temperature.Dried seedling is pressed thickness length classification yaw in warm canopy vernalization furrow, and density is the about 2～3cm in interval between seedling is done.Miao Gan covers the thick moistening fine sand of 5～8cm, carries out heat and moisture preserving vernalization, and time sight canopy temperature and bed furrow temperature make it remain on 12～25 ℃ of furrow temperature, 15～30 ℃ of canopy temperature, relative moisture 75～80%.
The tender shoots cottage method:
March 25 began to bury dried vernalization, and late April begins the rudiment of allocation semi-lignified, the high 5～15cm of bud, use the soaking with indole butyric acid 10 minutes of 500ppm then, carry out cuttage respectively in nutrient cup and cave dish then, the seedling culture hole plate specification is 28cm * 54cm50 cave, and cutting density is 330 strains/m
2, the nutrient cup specification is 8cm * 8cm, cutting density 255 strains/m
2Insert the back and first week added the sunshade net, keep blade face humidity with auto spraying, begin spraying after doing with blade face moisture daytime, each spray 10～25 seconds, to keep the blade face moistening is principle, and morning, afternoon spray less, diligent spray at noon (spray once about 10 minutes), evening stop-spraying, begin to take root about 15 days, reduce the water spray number of times gradually, prolong the blanking time of spraying water, control injection flow rate with the adjustment time, the 15 day time after cuttage seeding is taken root, the beginning hardening mainly is to add forced ventilation, reduce injection flow rate, increase intensity of illumination etc.Transplant and stopped water spray in preceding four days.May 12 was extracted the take root investigation of situation of 10 strains respectively to the cave of cuttage on April 18 dish seedling and nutrient cup nursery stock.Late May is carried out field-transplanting, investigates storage rate by the end of October.
The cuttage effect:
As shown in table 1, cave dish cuttage root-taking rate is 80%, and nutrient cup cuttage root-taking rate is 90%, and visible two kinds of container for plant growth cuttage and seedling culture effects are all relatively good, and no matter the nutrient cup of comparing cuttage seeding is rooting rate or one-level radical, the long cave dish seedling that all is better than of the longest root.
As shown in table 2, be land for growing field crops transplanted plantlet storage rate measurement result then, it is 78% that the aspen bare area transplants that storage rate reaches.
The transplantation technique link of aspen epicormic branch cuttage seedling is very crucial, directly has influence on storage rate.Therefore, when transplanting, aspen epicormic branch cuttage seedling bare area also to award giving shade of appropriate time, in case the burnt leaf of nursery stock, dried top and death improve the storage rate of nursery stock.
Table 1 aspen epicormic branch cuttage rooting rate situation
The investigation of table 2 field-transplanting aspen storage rate
The method breeding aspen that the present invention grows seedlings by burying dried germination epicormic branch cuttage, reproduction coefficient is big, can satisfy the demand of afforestation.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (7)
1. the method for a trunk-burying germination-forcing epicormic branch cuttage raise seedling is characterized in that, at first buries dried vernalization, and when bud carries out the tender shoots cuttage up to 5～15cm the time, described burying done vernalization and comprised:
At first the vernalization furrow middle berth one deck cow dung in warm canopy repaves one deck vernalization matrix, puts the aspen seedling then and do on vernalization matrix, and cover one deck vernalization matrix on the aspen seedling is done;
The temperature of described vernalization furrow is 12～25 ℃, and the temperature in the described temperature canopy is that 15～30 ℃, relative moisture are 75～80%;
Described vernalization matrix is to mix in 1: 1 ratio with peat soil with thin river sand;
Described aspen seedling is done to 1 year seedling of northeast aspen and is done, and the density of putting that described aspen seedling is done is that seedling is done 2～3cm at interval;
Described burying done vernalization and carried out at late March; Described tender shoots cuttage was carried out in late April, and carried out field-transplanting in late May.
2. the method for trunk-burying germination-forcing epicormic branch cuttage raise seedling according to claim 1 is characterized in that, described vernalization matrix was sterilized with millesimal carbendazim before using.
3. the method for trunk-burying germination-forcing epicormic branch cuttage raise seedling according to claim 1 is characterized in that, described vernalization furrow spilt one time 3% furans pellet earlier before the cow dung of shop, and consumption is 4～6g/cm
2
4. according to the method for claim 1 or 3 described trunk-burying germination-forcing epicormic branch cuttage raise seedlings, it is characterized in that, on the described vernalization matrix put the aspen seedling at first spread fertilizer over the fields before doing 3% furans red with 25% carbendazim mixed powder in 1: 1 ratio, consumption is 8～12g/m
2
5. the method for trunk-burying germination-forcing epicormic branch cuttage raise seedling according to claim 1, it is characterized in that, the thickness of the cow dung layer of being spread in the described vernalization furrow is 8～12cm, the thickness of the vernalization matrix of being spread on the described cow dung layer is 4～6cm, and it is 5～8cm that described aspen seedling is done the thickness of going up the vernalization matrix that covers.
6. the method for trunk-burying germination-forcing epicormic branch cuttage raise seedling according to claim 1, it is characterized in that, before the described tender shoots cuttage at first with described tender shoots with the soaking with indole butyric acid of 500ppm 8～12 minutes, carry out cuttage then in nutrient cup or seedling culture hole plate, the cutting density of described seedling culture hole plate is 330 strains/m
2, the cutting density of described nutrient cup is 255 strains/m
2
7. the method for trunk-burying germination-forcing epicormic branch cuttage raise seedling according to claim 6 is characterized in that, first week adds the sunshade net after the described tender shoots cuttage, and spraying keeps blade face humidity, each spray 10～25 seconds, morning, afternoon spray less, diligent spray at noon, evening stop-spraying, reduce the water spray number of times after 15 days gradually, prolong the blanking time of spraying water, and add forced ventilation, increase intensity of illumination, described field-transplanting stopped water spray in preceding four days.
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| CN2008100572908A CN101243759B (en) | 2008-01-31 | 2008-01-31 | Trunk-burying germination-forcing epicormic branch cuttage raise seedling technique |
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| CN101243759B true CN101243759B (en) | 2010-12-01 |
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| CN105766547A (en) * | 2016-05-04 | 2016-07-20 | 梁友盛 | Plug seedling foresting method for broad-leaf tree species |
| CN107960251A (en) * | 2017-07-19 | 2018-04-27 | 福建师范大学 | A kind of Common zenia germ plasm resource strange land live body preserves new method |
| CN107409915A (en) * | 2017-08-14 | 2017-12-01 | 四川省林业科学研究院 | A kind of method of blue or green money willow underground layering breeding nursery stock |
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| CN1287776A (en) * | 2000-10-24 | 2001-03-21 | 王恭祎 | Method for breeding new varieties of poplar |
| CN1303584A (en) * | 2000-01-12 | 2001-07-18 | 吕国良 | Cutting forset-plantation method of poplar |
| JP2001232345A (en) * | 2000-02-24 | 2001-08-28 | Idemitsu Kosan Co Ltd | Cleaning method for soil or water contaminated with chlorinated dioxin |
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- 2008-01-31 CN CN2008100572908A patent/CN101243759B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303584A (en) * | 2000-01-12 | 2001-07-18 | 吕国良 | Cutting forset-plantation method of poplar |
| JP2001232345A (en) * | 2000-02-24 | 2001-08-28 | Idemitsu Kosan Co Ltd | Cleaning method for soil or water contaminated with chlorinated dioxin |
| CN1287776A (en) * | 2000-10-24 | 2001-03-21 | 王恭祎 | Method for breeding new varieties of poplar |
Non-Patent Citations (4)
| Title |
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| 吴洪.速生杨育苗以冬插为好.新农村 9.2006,(9),15. |
| 吴洪.速生杨育苗以冬插为好.新农村 9.2006,(9),15. * |
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