CN102550304A - Method for rapid propagation of improved variety of Eucommia graftings - Google Patents
Method for rapid propagation of improved variety of Eucommia graftings Download PDFInfo
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Abstract
The invention provides a method for rapid propagation of an improved variety of Eucommia graftings, which belongs to cultivation methods for economic varieties of trees and solves the prominent problem that propagation of improved varieties of Eucommia seedlings is slow. The method is developed by means of low-temperature seed treatment, seed dormancy breaking, seeding and seedling growing on a protected land in winter, advanced grafting, post-grafting scion germination promoting, sprout growing and the like. By the method, the germination time of Eucommia rootstock seedlings can be shifted to an earlier time evidently, rapid growth of the rootstock seedlings can be promoted, the grafting time of the Eucommia seedlings is shifted from late August to late May, one-year graftings may grow 80cm-100cm high, the propagation cycle of the improved variety of the Eucommia graftings is shortened evidently, the propagation of the improved variety of the Eucommia seedlings is quickened, Eucommia variety improvement level of China can be increased greatly, and rapid popularization of the improved varieties of Eucommia and continuous and stable development of the Eucommia industry can be promoted.
Description
Technical field:
The present invention relates to the fast breeding method of a kind of bark of eucommia breeding grafting, belong to the cultivation method of economic tree.
Background technology:
The bark of eucommia (
Eucommia ulmoidesOliv) be the distinctive famous and precious economic tree of China, all there are cultivation, about 5,000,000 mu of area under cultivation in 26 provinces (district, city) in China subtropics to warm temperate zone.Cortex Eucommiae is rare traditional Chinese medicine and the important export of China's special product goods and materials of earning foreign exchange, and has strengthening the bones and muscles, filling liver kidney, the clothes anti-effect of waiting for a long time of making light of one's life by commiting suicide for a long time, for Chinese medicine top grade.Modern age, big quantity research proved; Bark of eucommia fruit has high economic worth and utilizes prospect; Pericarp (kind skin) contains multiple mineral elements such as chlorogenic acid, Aucubin, Geniposidic acid, the plain disaccharide glucoside of rosin, polysaccharide, amino acid and Zn, Mn, Cu, Fe, Ca, P, B, Mg, K; Have the pharmacological function similar, and have no side effect with Cortex Eucommiae; What be worth to propose especially is, bark of eucommia kind benevolence contains abundant unsaturated fatty acids such as alpha-linolenic acid, and wherein alpha-linolenic acid content reaches more than 60%, has remarkable reducing blood lipid, hypotensive and suppress effects such as thrombotic diseases, prevention miocardial infarction and cerebral infarction.The bark of eucommia is still produced the quality raw materials of multiple functional food except traditional medicine is used.The tree-like grace of the bark of eucommia, well developed root system, growth rapidly, strong stress resistance, damage by disease and insect are few, are that the husky good spy in district in hills, mountain area and Plain uses economic tree.The utilization of bark of eucommia fruit more and more receives people's attention, is main with production bark of eucommia fruit, and orchardization, the gardening cultivation mode of folium cortex eucommiae, skin, fruit, male flower comprehensive utilization will become one of main cultivation mode of bark of eucommia production development.
Bark of eucommia cultivating superior high-yield needs breeding and propagation technique to support; We pass through the system research in more than 10 year; Select ' secondary 1 ~ No. 5 ' 5 bark of eucommia improved seeds of China and ' secondary 6 ~ No. 9 ' 4 bark of eucommia improved seeds of China; And all passed through Henan Province's new varieties authorization, ' secondary 6 ~ No. 9 ' 4 bark of eucommia improved seeds of China passed through the new varieties authorization of the State Administration of Forestry in 2011, for bark of eucommia cultivating superior high-yield has been established the good resource basis.Adopt bark of eucommia breeding nursery stock to build the garden, build the 6th year mu fruit yield 200 ~ 260kg in garden also through the orchard cultivation.Effect of increasing production very significantly.
The conventional graft seedling growth process of the bark of eucommia is: the mid or late March sowing, mid-August, cut anvil the 2nd year spring to the late September grafting, bud picking, management, 1 year winter Cheng Miao.It is thus clear that because the early growth of bark of eucommia rootstock seedling is slower; Adopt conventional mating system; Eucommia bark seed just can reach the grafting standard after sowing August then, and the strain grafting time of breeding needs 2 years, and the slow-paced problem of breeding seedling-wood breeding has seriously restricted the sound development of bark of eucommia industry.
Summary of the invention:
In order to overcome the deficiency of prior art, the invention provides the fast breeding method of a kind of bark of eucommia breeding grafting.The present invention is directed to China bark of eucommia and produce the outstanding problem that exists, adopt in advance the low temperature treatment seed, break seed dormancy, measure such as the sprouting that promotes to budder after winter protection ground seeding and seedling raising, the grafting in advance, grafting, work out a kind of bark of eucommia seedling fast breeding method.
Result of study shows; Employing breaks seed dormancy, sow, carry out measure such as facilities to breed in advance, not only can obviously do sth. in advance bark of eucommia rootstock seedling sprouting time, promotes rootstock seedling to grow fast; Advance to late May after also making the bark of eucommia seedling grafting time by August; Grafting height of seedling then reaches 80cm ~ 100cm, has obviously shortened the breeding cycle of bark of eucommia breeding grafting, has accelerated bark of eucommia breeding seedling propagation speed.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
The fast breeding method of a kind of bark of eucommia breeding grafting, this method may further comprise the steps:
The first step, eucommia bark seed low temperature treatment:
The eucommia bark seed of gathering then being soaked 12 ~ 24 hours in 25 ℃ ~ 60 ℃ clear water, eucommia bark seed is pulled out drained, is standard not drip, and the gunnysack of packing into was put in 0.1 ℃ ~ 7.2 ℃ the freezer low temperature treatment 10 ~ 25 days then;
Second step, water seed soaking:
With taking out of from freezer through the eucommia bark seed after the low temperature treatment in the first step, use 50 ℃ ~ 75 ℃ warm water then, natural immersion 12 ~ 24 hours; Use 35 ℃ ~ 60 ℃ warm water natural immersions 12 ~ 24 hours again after water leached; Seed pulled out drain, be standard not drip, subsequent use;
The 3rd step, work bed and sowing:
Earlier greenhouse or hotbed soil are turned over one time before the breeding, fertilising, and carry out the soil sterilization sterilization, and it is thin to flatten rake, makes high bed, and the eucommia bark seed of in going on foot second 1 ~ the January 10 December in every year, handling well is then sowed;
The 4th step, greenhouse by solar heat heat:
After planting, adopt greenhouse by solar heat to heat, temperature is not less than 2 ℃ in the control canopy at night, and temperature is no more than 40 ℃ in the whole growth canopy on daytime in season;
The 5th step, seedbed seedling period management:
After planting in time keep the skin wet, when treating that seedling grows 4 true leaves, overstocked seedling is carried out a transplantation of seedlings, behind nursery stock transplanting,, promote the growth of nursery stock according to growing state application in time and the moisturizing of nursery stock according to bed surface humidity;
Prepare before the 6th step, the grafting:
When seedling height reaches 50 ~ 70cm, carry out pinching, promote the nursery stock thickening growth, when the nursery stock leading thread reaches 0.6 ~ 0.8cm, carry out grafting, grafting nursery lot the last week waters once;
The 7th goes on foot, carries out the breeding grafting:
Gather bark of eucommia breeding not lignification or semi-lignified current-year branch do scion, carry out grafting;
The 8th goes on foot, cuts anvil promotes to budder sprouting:
After the grafting, in time cut anvil, promote to budder sprouting, sprout when buddering to separate when length reaches 12 ~ 20cm and tie up;
The 9th step, autumn heat and prolong the seedling growth time:
The maximum air temperature is lower than 20 ℃ in daytime in autumn canopy, or when night, the minimum air temperature was lower than 10 ℃, epiphragma heated up; The maximum air temperature is controlled at 25 ℃ ~ 35 ℃ daytime in the canopy, and night, the minimum air temperature was controlled at 15 ℃ ~ 20 ℃, when grafting up to 80 ~ 100cm; When the ground stem reaches 0.60 ~ 1.00cm; It is aeration-cooling progressively to take off film, takes off behind the film in 10 ~ 25 days in the canopy temperature and progressively reduces to 2 ℃ ~ 5 ℃, is not higher than 2 ℃ with the outside air temperature difference in the canopy.
Further, the work bed in described the 3rd step turns over greenhouse or hotbed soil one time for elder generation before growing seedlings with sowing, executes diammonium phosphate 10 ~ 20 kg for every mu; Carry out the soil sterilization sterilization with 50 ~ 200 g powder of carbendazim, the leveling rake is thin, makes high bed: high 10 ~ 15 cm of bed surface; Wide 35 ~ 50 cm; Pavement 20 ~ 30 cm, each bed surface sowing 2 row, line-spacing 20 ~ 30cm; Annual sowing on 1 ~ January 10 December is adopted drilling method: sown scope 5 ~ 8 cm, line-spacing 25 ~ 30 cm; The trench digging degree of depth 3 ~ 5 cm, end water is watered along ditch earlier in the trench digging back, waters every meter 2 ~ 5kg of the water yield; Sow then; Seeding quantity is grasped per 10 cm apart from 5～7 of sowing, and every mu of sowing 8 ~ 10 kg are after planting about earthing 2 cm.
Further, the greenhouse by solar heat in described the 4th step heats to adopting Plastic steel framework arched roof, arched roof north-south in the greenhouse; 60 ~ 100m long from south to north, the wide 6 ~ 12m of thing rises 3.0 ~ 5.0m; High 1.5 ~ the 2.0m in both sides after planting covers the plastic film of 2 bed thickness, 0.02 ~ 0.08mm again in booth, film is to ceiling distance about 20cm, 40cm respectively; Cover the little shed about high 30cm then in the seedbed, little shed is with plastic film thickness 0.02 ~ 0.05mm.
Further, the bark of eucommia breeding in described the 7th step is secondary No. 6 barks of eucommia (Eucommia ulmoides ' Huazhong No 6 ') of China.
Further, the grafting method in described the 7th step is to be with wooden plate budding: the long 2.0 ~ 4.0cm that budders, 1.5 ~ 2.5cm on the bud wherein, 0.5 ~ 1.5cm under the bud; The stock grafting height is 10 ~ 20cm overhead, stays 1 ~ 3 leaf below the stock cutting position, and stock and scion cambium use the plastic film of thick 0.02 ~ 0.04mm to wrap up to good then, and it is exposed to budder.
Further, the anvil of cutting in described the 8th step is after the grafting 7 ~ 10 days, stays 1 ~ 3 blade to cut anvil at above 5 ~ 10cm place of buddering, the promotion sprouting of buddering; When the sprouting length of buddering reaches 5 ~ 10cm, carrying out cutting the second time anvil again apart from grafting bud sheet upper limb 0.5 ~ 1.5cm place.
Beneficial effect of the present invention:
1, through enforcement of the present invention, bark of eucommia breeding grafting shortened to 1 year from 2 years breeding cycle, for bark of eucommia industry development provides the breeding quick propagating technology.
2, the present invention adopts and to break seed dormancy, sow, carry out measure such as facilities to breed in advance; Not only can obviously do sth. in advance bark of eucommia rootstock seedling sprouting time; Promote rootstock seedling to grow fast, advance to late May after also making the bark of eucommia seedling grafting time by August, grafting height of seedling then reaches 80cm ~ 100cm; Obviously shorten the breeding cycle of bark of eucommia breeding grafting, accelerated bark of eucommia breeding seedling propagation speed.
3, The Application of Technology of the present invention has been alleviated the great demand of present bark of eucommia production to bark of eucommia breeding grafting, can increase substantially China's bark of eucommia improved variety level simultaneously, promotes bark of eucommia breeding to promote fast and the continual and steady development of bark of eucommia industry.
Embodiment:
Below in conjunction with embodiment the present invention is done further detailed description.The used Hua Zhongliu bark of eucommia of the present invention is the forest breeding of the forest variety certification committee authorization through Henan Province, title: secondary No. 6 barks of eucommia of China; Formal name used at school: Eucommia ulmoides ' Huazhong No 6 '; Breeding numbering: Henan S-SV-EU-002-2007.
Embodiment 1:
The fast breeding method of a kind of bark of eucommia breeding grafting, this method may further comprise the steps:
The first step, the eucommia bark seed low temperature treatment of carrying out: the eucommia bark seed that will gather was then soaked 24 hours in 30 ℃ of clear water; Eucommia bark seed pulled out drain the gunnysack of packing into after (is standard not drip); 20 kilograms in seed after each gunnysack dress soaks was put in 0.1 ℃ of freezer low temperature treatment 10 days then.
Second step, water seed soaking: the eucommia bark seed that will pass through after the low temperature treatment is taken out of from freezer; Use 50 ℃ of warm water natural immersions 24 hours then; Use 60 ℃ of warm water natural immersions 12 hours again after water leached, seed is pulled out drain (is standard not drip) after, subsequent use.
The 3rd step, work bed and sowing: elder generation turns over hotbed soil one time before growing seedlings, and executes diammonium phosphate 10kg for every mu, carries out the soil sterilization sterilization with 50 g powder of carbendazim, and the leveling rake is thin, makes the height bed.High 10 cm of bed surface, wide 35 cm, pavement 20 cm, each bed surface sowing 2 row, line-spacing 20cm.Sowing on December 1 is adopted drilling method, sown scope 5 cm.Line-spacing 25 cm.The trench digging degree of depth 3 cm.End water is watered along ditch earlier in the trench digging back, waters every meter 2kg of the water yield, sows then.Seeding quantity is grasped per 10 cm apart from 5 of sowing, and every mu of sowing 8 kg are after planting about earthing 2 cm.
The 4th step, greenhouse by solar heat heat: adopt greenhouse by solar heat to heat, the greenhouse adopts the Plastic steel framework arched roof, the arched roof north-south, and 60mm long from south to north, the wide 6.0m of thing rises 3.0m, the high 1.5mm in both sides.After planting in booth, cover the plastic film of 2 bed thickness 0.02 again, film covers the little shed about high 30cm then to ceiling distance about 20cm, 40cm respectively in the seedbed, and little shed is used plastic film thickness 0.02mm.Temperature is not less than 2 ℃ in the control canopy at night, and temperature is no more than 40 ℃ in the whole growth canopy on daytime in season, takes off the film cooling when temperature reaches 40 ℃ in the canopy.
The 5th step, seedbed seedling period management: after planting in time spray water, water after coming up 1～2 time, when treating that seedling grows 4 true leaves, overstocked seedling is carried out a transplantation of seedlings, transplant about the about 5cm of back seedling spacing in the rows to keep the skin wet according to bed surface humidity.In nursery stock transplanting soil application 1 time after 5 days, fertilising in later per 15 days is once executed urea 5kg for every mu for the first time, executes urea 10kg for each every mu later on, and every mu is affixed by the 10kg compound nitrogen phosphate fertilizer after the nursery stock pinching.
Prepare before the 6th step, the grafting: when seedling height reaches 50cm, carry out pinching, promote the nursery stock thickening growth., the nursery stock leading thread carries out grafting when reaching 0.6cm.Grafting nursery lot the last week waters once, waters 30 tons every mu of the water yields.
The 7th step, carry out the breeding grafting: lignification or semi-lignified current-year branch are not done scion to gather secondary No. 6 barks of eucommia of China (Eucommia ulmoides ' Huazhong No 6 '); Employing is carried out grafting with the method for wooden plate budding; Grafting bud length of a film 2.0cm; 1.5cm on the bud wherein, 0.5cm under the bud.The stock grafting height is 10cm overhead, stays 1 leaf below the stock cutting position, and stock and scion cambium are wrapped up with the plastic film of thickness 0.02mm good then, and it is exposed to budder.
The 8th step, cut anvil sproutings that promote to budder: after the grafting 7 days, stay 1 blade to cut anvil at the above 5cm place of buddering, the promotion sprouting of buddering.When the sprouting back length of buddering reaches 5cm, carrying out cutting the second time anvil again apart from grafting bud sheet upper limb 1.0cm place; Budder to sprout to separate when length reaches 12cm and tie up.
The 9th step, autumn heat the seedling growth time that prolongs: the maximum air temperature is lower than 20 ℃ in daytime in autumn canopy, or when night, the minimum air temperature was lower than 10 ℃, epiphragma heated up.Maximum air temperature control on daytime is 25 ℃ ~ 30 ℃ in the canopy, and night, minimum air temperature control was 15 ℃ ~ 18 ℃.When grafting up to 80cm, when the ground stem reached 0.60cm, it was aeration-cooling progressively to take off film.Take off in the film 15 days in the canopy temperature and progressively reduce to 5 ℃, is not higher than 2 ℃ with the outside air temperature difference in the canopy.
Embodiment 2:
The fast breeding method of a kind of bark of eucommia breeding grafting, this method may further comprise the steps:
The first step, the eucommia bark seed low temperature treatment of carrying out: the eucommia bark seed that will gather was then soaked 12 hours in 60 ℃ of clear water; Eucommia bark seed pulled out drain the gunnysack of packing into after (is standard not drip); 50 kilograms in seed after each gunnysack dress soaks was put in 5.0 ℃ of freezers low temperature treatment 15 days then.
Second step, water seed soaking: the eucommia bark seed that will pass through after the low temperature treatment is taken out of from freezer; Use 75 ℃ of warm water natural immersions 12 hours then; Use 40 ℃ of warm water natural immersions 15 hours again after water leached, seed is pulled out drain (is standard not drip) after, subsequent use.
The 3rd step, work bed and sowing: elder generation turns over greenhouse soil one time before growing seedlings, and executes diammonium phosphate 15 kg for every mu, carries out the soil sterilization sterilization with 100 g powder of carbendazim, and the leveling rake is thin, makes the height bed.The high 12cm of bed surface, wide 40 cm, pavement 25 cm, each bed surface sowing 2 row, line-spacing 25cm.Sowing on January 10 is adopted drilling method, sown scope 8 cm.Line-spacing 30 cm.The trench digging degree of depth 5 cm.End water is watered along ditch earlier in the trench digging back, waters every meter 5kg of the water yield, sows then.Seeding quantity is grasped per 10 cm apart from 7 of sowing, and every mu of sowing 10 kg are after planting about earthing 2 cm;
The 4th step, greenhouse by solar heat heat: adopt greenhouse by solar heat to heat, the greenhouse adopts the Plastic steel framework arched roof, the arched roof north-south, and 100m long from south to north, the wide 12m of thing rises 5.0m, the high 2.0m in both sides.After planting in booth, cover the plastic film of 2 bed thickness 0.06mm again, film covers the little shed about high 30cm then to ceiling distance about 20cm, 40cm respectively in the seedbed, and little shed is used plastic film thickness 0.03mm.Temperature is not less than 2 ℃ in the control canopy at night, and temperature is no more than 40 ℃ in the whole growth canopy on daytime in season, takes off the film cooling when temperature reaches 40 ℃ in the canopy.
The 5th step, seedbed seedling period management: after planting in time spray water, water after coming up 1～2 time, when treating that seedling grows 4 true leaves, overstocked seedling is carried out a transplantation of seedlings, transplant about the about 5cm of back seedling spacing in the rows to keep the skin wet according to bed surface humidity.In nursery stock transplanting soil application 1 time after 5 days, fertilising in later per 20 days is once executed urea 5kg for every mu for the first time, executes urea 10kg for each every mu later on, and every mu is affixed by the 10kg compound nitrogen phosphate fertilizer after the nursery stock pinching.
Prepare before the 6th step, the grafting: when seedling height reaches 70cm, carry out pinching, promote the nursery stock thickening growth., the nursery stock leading thread carries out grafting when reaching 0.80cm.Grafting nursery lot the last week waters once, waters 60 tons every mu of the water yields.
The 7th step, carry out the breeding grafting: lignification or semi-lignified current-year branch are not done scion to gather secondary No. 6 barks of eucommia of China (Eucommia ulmoides ' Huazhong No 6 '); Employing is carried out grafting with the method for wooden plate budding; Grafting bud length of a film 4.0cm; 2.5cm on the bud wherein, 1.5cm under the bud.The stock grafting height is 20cm overhead, stays 3 leaves below the stock cutting position, and stock and scion cambium are wrapped up with the plastic film of thickness 0.04mm good then, and it is exposed to budder.
The 8th step, cut anvil sproutings that promote to budder: after the grafting 10 days, stay 3 blades to cut anvil at the above 10cm place of buddering, the promotion sprouting of buddering.When the sprouting back length of buddering reaches 10cm, carrying out cutting the second time anvil again apart from grafting bud sheet upper limb 1.5cm place.When the sprouting length of buddering reaches 20cm, separate and tie up.
The 9th step, autumn heat the seedling growth time that prolongs: the maximum air temperature is lower than 25 ℃ in daytime in autumn canopy, or when night, the minimum air temperature was lower than 15 ℃, epiphragma heated up.Maximum air temperature control on daytime is 30 ℃ ~ 35 ℃ in the canopy, and night, the minimum air temperature was controlled at 18 ℃ ~ 20 ℃.When grafting up to 100cm, when the ground stem reached 1.00cm, it was aeration-cooling progressively to take off film.Take off in the film 25 days in the canopy temperature and progressively reduce to 3 ℃, is not higher than 2 ℃ with the outside air temperature difference in the canopy.
Embodiment 3:
The fast breeding method of a kind of bark of eucommia breeding grafting, this method may further comprise the steps:
The first step, the eucommia bark seed low temperature treatment of carrying out: the eucommia bark seed that will gather was then soaked 24 hours in 20 ℃ of clear water; Eucommia bark seed pulled out draining, is standard not drip, after the gunnysack of packing into; Seed 50kg after each gunnysack dress soaks put in 7.2 ℃ of freezers low temperature treatment 25 days then.
Second step, water seed soaking: the eucommia bark seed that will pass through after the low temperature treatment is taken out of from freezer, uses 60 ℃ of warm water natural immersions 16 hours then, uses 30 ℃ of warm water natural immersions 24 hours after water is leached again, seed is pulled out drain, and is standard not drip, and is subsequent use.
The 3rd step, work bed and sowing: elder generation turns over greenhouse or hotbed soil one time before growing seedlings, and executes diammonium phosphate 20 kg for every mu, carries out the soil sterilization sterilization with 200 g powder of carbendazim, and the leveling rake is thin, makes the height bed.The high 15cm of bed surface, wide 50 cm, pavement 30 cm, each bed surface sowing 2 row, line-spacing 30cm.Sowing on January 10 is adopted drilling method, sown scope 8 cm.Line-spacing 30 cm.The trench digging degree of depth 5 cm.End water is watered along ditch earlier in the trench digging back, waters every meter 5kg of the water yield, sows then.Seeding quantity is grasped per 10 cm apart from 7 of sowing, and every mu of sowing 10 kg are after planting about earthing 2 cm;
The 4th step, greenhouse by solar heat heat: adopt greenhouse by solar heat to heat, the greenhouse adopts the Plastic steel framework arched roof, the arched roof north-south, and 100m long from south to north, the wide 12m of thing rises 5.0m, the high 2.0m in both sides.After planting in booth, cover the plastic film of 2 bed thickness 0.06mm again, film covers the little shed about high 30cm then to ceiling distance about 20cm, 40cm respectively in the seedbed, and little shed is used plastic film thickness 0.03mm.Temperature is not less than 2 ℃ in the control canopy at night, and temperature is no more than 40 ℃ in the whole growth canopy on daytime in season, takes off the film cooling when temperature reaches 40 ℃ in the canopy.
The 5th step, seedbed seedling period management: after planting in time spray water, water after coming up 1～2 time, when treating that seedling grows 4 true leaves, overstocked seedling is carried out a transplantation of seedlings, transplant about the about 5cm of back seedling spacing in the rows to keep the skin wet according to bed surface humidity.In nursery stock transplanting soil application 1 time after 5 days, fertilising in later per 20 days is once executed urea 5kg for every mu for the first time, executes urea 10kg for each every mu later on, and every mu is affixed by the 10kg compound nitrogen phosphate fertilizer after the nursery stock pinching.
Prepare before the 6th step, the grafting: when seedling height reaches 60cm, carry out pinching, promote the nursery stock thickening growth., the nursery stock leading thread carries out grafting when reaching 0.80cm.Grafting nursery lot the last week waters once, waters 60 tons every mu of the water yields.
The 7th step, carry out the breeding grafting: lignification or semi-lignified current-year branch are not done scion to gather secondary No. 6 barks of eucommia of China (Eucommia ulmoides ' Huazhong No 6 '); Employing is carried out grafting with the method for wooden plate budding; Grafting bud length of a film 4.0cm; 2.5cm on the bud wherein, 1.5cm under the bud.The stock grafting height is 20cm overhead, stays 3 leaves below the stock cutting position, and stock and scion cambium are wrapped up with the plastic film of thickness 0.04mm good then, and it is exposed to budder.
The 8th step, cut anvil sproutings that promote to budder: after the grafting 10 days, stay 3 blades to cut anvil at the above 10cm place of buddering, the promotion sprouting of buddering.When the sprouting back length of buddering reaches 10cm, carrying out cutting the second time anvil again apart from grafting bud sheet upper limb 1.5cm place.When the sprouting length of buddering reaches 20cm, separate and tie up.
The 9th step, autumn heat the seedling growth time that prolongs: the maximum air temperature is lower than 25 ℃ in daytime in autumn canopy, or when night, the minimum air temperature was lower than 15 ℃, epiphragma heated up.Maximum air temperature control on daytime is 30 ℃ ~ 35 ℃ in the canopy, and night, the minimum air temperature was controlled at 18 ℃ ~ 20 ℃.When grafting up to 100cm, when the ground stem reached 1.00cm, it was aeration-cooling progressively to take off film.Take off in the film 25 days in the canopy temperature and progressively reduce to 3 ℃, is not higher than 2 ℃ with the outside air temperature difference in the canopy.
Claims (6)
1. the fast breeding method of a bark of eucommia breeding grafting, it is characterized in that: this method may further comprise the steps:
The first step, eucommia bark seed low temperature treatment:
The eucommia bark seed of gathering then being soaked 12 ~ 24 hours in 25 ℃ ~ 60 ℃ clear water, eucommia bark seed is pulled out drained, is standard not drip, and the gunnysack of packing into was put in 0.1 ℃ ~ 7.2 ℃ the freezer low temperature treatment 10 ~ 25 days then;
Second step, water seed soaking:
With taking out of from freezer through the eucommia bark seed after the low temperature treatment in the first step, use 50 ℃ ~ 75 ℃ warm water then, natural immersion 12 ~ 24 hours; Use 35 ℃ ~ 60 ℃ warm water natural immersions 12 ~ 24 hours again after water leached; Seed pulled out drain, be standard not drip, subsequent use;
The 3rd step, work bed and sowing:
Earlier greenhouse or hotbed soil are turned over one time before the breeding, fertilising, and carry out the soil sterilization sterilization, and it is thin to flatten rake, makes high bed, and the eucommia bark seed of in going on foot second 1 ~ the January 10 December in every year, handling well is then sowed;
The 4th step, greenhouse by solar heat heat:
After planting, adopt greenhouse by solar heat to heat, temperature is not less than 2 ℃ in the control canopy at night, and temperature is no more than 40 ℃ in the whole growth canopy on daytime in season;
The 5th step, seedbed seedling period management:
After planting in time keep the skin wet, when treating that seedling grows 4 true leaves, overstocked seedling is carried out a transplantation of seedlings, behind nursery stock transplanting,, promote the growth of nursery stock according to growing state application in time and the moisturizing of nursery stock according to bed surface humidity;
Prepare before the 6th step, the grafting:
When seedling height reaches 50 ~ 70cm, carry out pinching, promote the nursery stock thickening growth, when the nursery stock leading thread reaches 0.6 ~ 0.8cm, carry out grafting, grafting nursery lot the last week waters once;
The 7th goes on foot, carries out the breeding grafting:
Gather bark of eucommia breeding not lignification or semi-lignified current-year branch do scion, carry out grafting;
The 8th goes on foot, cuts anvil promotes to budder sprouting:
After the grafting, in time cut anvil, promote to budder sprouting, sprout when buddering to separate when length reaches 12 ~ 20cm and tie up;
The 9th step, autumn heat and prolong the seedling growth time:
The maximum air temperature is lower than 20 ℃ in daytime in autumn canopy, or when night, the minimum air temperature was lower than 10 ℃, epiphragma heated up; The maximum air temperature is controlled at 25 ℃ ~ 35 ℃ daytime in the canopy, and night, the minimum air temperature was controlled at 15 ℃ ~ 20 ℃, when grafting up to 80 ~ 100cm; When the ground stem reaches 0.60 ~ 1.00cm; It is aeration-cooling progressively to take off film, takes off behind the film in 10 ~ 25 days in the canopy temperature and progressively reduces to 2 ℃ ~ 5 ℃, is not higher than 2 ℃ with the outside air temperature difference in the canopy.
2. the fast breeding method of a kind of bark of eucommia breeding grafting according to claim 1 is characterized in that: the work bed in described the 3rd step turns over greenhouse or hotbed soil one time for elder generation before growing seedlings with sowing, executes diammonium phosphate 10 ~ 20 kg for every mu; Carry out the soil sterilization sterilization with 50 ~ 200 g powder of carbendazim, the leveling rake is thin, makes high bed: high 10 ~ 15 cm of bed surface; Wide 35 ~ 50 cm; Pavement 20 ~ 30 cm, each bed surface sowing 2 row, line-spacing 20 ~ 30cm; Annual sowing on 1 ~ January 10 December is adopted drilling method: sown scope 5 ~ 8 cm, line-spacing 25 ~ 30 cm; The trench digging degree of depth 3 ~ 5 cm, end water is watered along ditch earlier in the trench digging back, waters every meter 2 ~ 5kg of the water yield; Sow then; Seeding quantity is grasped per 10 cm apart from 5～7 of sowing, and every mu of sowing 8 ~ 10 kg are after planting about earthing 2 cm.
3. the fast breeding method of a kind of bark of eucommia breeding grafting according to claim 1 is characterized in that: the greenhouse by solar heat in described the 4th step heats to adopting Plastic steel framework arched roof, arched roof north-south in the greenhouse; 60 ~ 100m long from south to north; Wide 6 ~ the 12m of thing rises 3.0 ~ 5.0m, the high 1.5 ~ 2.0m in both sides; After planting in booth, cover the plastic film of 2 bed thickness, 0.02 ~ 0.08mm again; Film covers the little shed about high 30cm then to ceiling distance about 20cm, 40cm respectively in the seedbed, little shed is with plastic film thickness 0.02 ~ 0.05mm.
4. the fast breeding method of a kind of bark of eucommia breeding grafting according to claim 1 is characterized in that: the bark of eucommia breeding in described the 7th step is secondary No. 6 barks of eucommia (Eucommia ulmoides ' Huazhong No 6 ') of China.
5. the fast breeding method of a kind of bark of eucommia breeding grafting according to claim 1 is characterized in that: the grafting method in described the 7th step is to be with wooden plate budding: the long 2.0 ~ 4.0cm that budders, 1.5 ~ 2.5cm on the bud wherein, 0.5 ~ 1.5cm under the bud; The stock grafting height is 10 ~ 20cm overhead, stays 1 ~ 3 leaf below the stock cutting position, and stock and scion cambium use the plastic film of thick 0.02 ~ 0.04mm to wrap up to good then, and it is exposed to budder.
6. the fast breeding method of a kind of bark of eucommia breeding grafting according to claim 1 is characterized in that: the anvil of cutting in described the 8th step is after the grafting 7 ~ 10 days, stays 1 ~ 3 blade to cut anvil at above 5 ~ 10cm place of buddering, the promotion sprouting of buddering; When the sprouting length of buddering reaches 5 ~ 10cm, carrying out cutting the second time anvil again apart from grafting bud sheet upper limb 0.5 ~ 1.5cm place.
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| CN102771280A (en) * | 2012-07-18 | 2012-11-14 | 山东贝隆杜仲生物工程有限公司 | Thinning transplanting method of Eucommia ulmoides greenhouse seedlings |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771280A (en) * | 2012-07-18 | 2012-11-14 | 山东贝隆杜仲生物工程有限公司 | Thinning transplanting method of Eucommia ulmoides greenhouse seedlings |
| CN105766510A (en) * | 2014-12-22 | 2016-07-20 | 重庆市万盛经开区黑山镇供销合作社有限公司 | Method for planting cortex eucommiae |
| CN105284431A (en) * | 2015-09-21 | 2016-02-03 | 梁世君 | Eucommia ulmoides seedling nursing method |
| CN105284431B (en) * | 2015-09-21 | 2017-10-13 | 梁世君 | A kind of bark of eucommia method for culturing seedlings |
| CN106613298A (en) * | 2017-03-02 | 2017-05-10 | 孔翠云 | High-quality eucommia ulmoides grafting seedling breeding method |
| CN109673360A (en) * | 2019-01-14 | 2019-04-26 | 吉首大学 | A kind of fast breeding method of south Cortex Eucommiae grafting |
| CN110313343A (en) * | 2019-08-19 | 2019-10-11 | 四川省林业科学研究院 | A kind of cultural method for promoting Cortex Eucommiae to do sth. in advance result |
| CN114731885A (en) * | 2022-02-28 | 2022-07-12 | 江西普正制药股份有限公司 | Seedling growing method for eucommia ulmoides |
| CN114731885B (en) * | 2022-02-28 | 2023-10-24 | 江西普正制药股份有限公司 | Seedling raising method for eucommia ulmoides |
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