CN110521414A - A kind of zelkova schneideriana electric seed bed heater hardwood cuttage method - Google Patents

A kind of zelkova schneideriana electric seed bed heater hardwood cuttage method Download PDF

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Publication number
CN110521414A
CN110521414A CN201910907045.XA CN201910907045A CN110521414A CN 110521414 A CN110521414 A CN 110521414A CN 201910907045 A CN201910907045 A CN 201910907045A CN 110521414 A CN110521414 A CN 110521414A
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China
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cuttings
cuttage
zelkova schneideriana
cutting
slotting machine
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谈建中
罗兰
袁先峰
赵川乐
管华
朱思宇
周思雨
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Suzhou University
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Suzhou University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G2/00Vegetative propagation
    • A01G2/10Vegetative propagation by means of cuttings

Abstract

The invention discloses a kind of zelkova schneideriana electric seed bed heater hardwood cuttage methods.Electric heating temperature control slotting machine is constructed with materials such as heat-barrier material, river sand, underground heat electric wire, temperature controllers;It germinates first 2 ~ 3 weeks in zelkova schneideriana spring and acquires annual cutting, be stored in shading low temperature place, adjust cutting water content;Clip grows the cuttings of 12 ~ 15 cm, 0.8 cm or more of diameter, and upper end is tiltedly cut, and lower end straight snips is bundled into wisp, 6 ~ 14 h of impregnation in 50 ~ 75 ppm NAA and 100 ~ 150 compound taking root liquids of ppm IBA;When cuttage, bundled cuttings is thrown into slotting machine, fills up wet river sand therebetween;After cuttage in management, the temperature of electric seed bed heater is controlled at 24 DEG C ~ 28 DEG C, and relative humidity is maintained at 70% ~ 85%, sprays a carbendazim medical fluid weekly.The present invention promotes the rooting rate of zelkova schneideriana stiff wood cuttings using electric heating warming, improves rooting rate and survival rate, and new technological approaches is provided for zelkova schneideriana rapid seedling cultivation.

Description

A kind of zelkova schneideriana electric seed bed heater hardwood cuttage method
Technical field
The invention belongs to the growing nursery and culture methods of field of forestry, and in particular to a kind of zelkova schneideriana Simple electric heating breeding ground hardwood cutting Method.
Technical background
Zelkova schneideriana (Zelkova schneideriana) belong to Ulmaceae zelkova schneideriana category fallen leaves megaphanerophyte.The tree-like tall and big grace of zelkova schneideriana, leaf Multicolour is presented with Four seasons change in color, and it is strong with resistance, and wind loading rating is strong, drought resisting, pest and disease damage are few, resistance to flue dust, anti- The fine tree species that the features such as pollution is township afforestation and is planted windbreak forests.
In its natural state, Zelkova schneideriana seeds acquisition is difficult, and germination rate is low, and natural renovation is difficult, causes wild resource very dilute It lacks.In zelkova schneideriana nursery stock production, using sexual propagation, that there is percentages of seedgermination is low, germinating time is irregular, Yi Fasheng The problems such as shape separates.On the other hand, in zelkova schneideriana asexual reproduction method, seminal propagation can be overcome using Technique on Cuttage Propagation Disadvantage, but there is also phenomena such as difficult, survival rate are low and stability is poor of taking root, and require still to have away from high efficiency, large-scale production Biggish gap.Therefore, the rooting rate and survival rate that improve zelkova schneideriana cutting propagation are still the important topic in nursery stock production.
The country is concentrated mainly on about the research of zelkova schneideriana cuttage and probes into cuttage season, cuttings type, the selection of root-growing agent, skewer Insert matrix etc..If document report uses the 2 years raw branches sprouted after seedling cutting strunk as fringe bar, to be uniformly blended into corruption Cottage method of the soil of soil as matrix is grown, there is preferable cutting experiment, and selects rooting efficiency of the river sand as matrix Worst (Wu Xueli etc., zelkova schneideriana Technique on Cuttage Propagation Preliminary Report on Experiment, forest inventory and planning, 2008,33 (3): 140 ~ 142).But it is another There is document report in zelkova schneideriana shoot cutting, discovery uses perlite and peat soil with 3:1 mixed-matrix preferably (Zhang Chuntao Deng, the Technique on Cuttage Propagation of zelkova schneideriana, economic forest research, 2011,29 (2): 108 ~ 110);Cuttings is acquired in aged zelkova schneideriana to carry out When hardwood cutting, under suitable root-growing agent processing and environmental condition, it is also possible to obtain the good cutting experiment (such as Liu Deliang Rare or endangered species zelkova schneideriana cutting propagation studies [J] Xibei Forest College journal, 2001 (1) .37 ~ 39);Chinese invention patent A kind of technique (CN 109089576A) with hardwood cutting breeding zelkova schneideriana is disclosed, in production practices, generally all from young age beech Cuttings is acquired on tree and carries out hardwood cutting in spring, and cutting experiment is usually by cuttings thickness, matrix, root-growing agent, temperature and humidity pipe The influences of many factors such as reason and have very big difference, cuttage survival rate is not sufficiently stable, the open country cuttage or cold bed cuttage the case where Under this phenomenon it is especially pronounced, to influence the popularization and application of zelkova schneideriana cuttage technique in production practice.
On the other hand, electric seed bed heater can be with Effective Regulation slotting machine temperature, the not influence of climate variation, so as to reach It is good to urge root effect, shorten the growing-seedling period of hardwood cutting breeding.Therefore, electric seed bed heater cuttage technique grape, Chinese white poplar, Has application in a variety of xylophyta breedings such as hickory nut, mulberry tree, Chionanthus retusus, but electricity consumption heat cradle carries out stiff wood in zelkova schneideriana Cuttage is there is not yet research report.
Summary of the invention
The present invention provides that a kind of rootage duration is short, root system is good for insufficient present on existing zelkova schneideriana cuttage raise seedling technique Zelkova schneideriana stiff wood electric seed bed heater cottage method good, growing-seedling period is short.The present invention urges the method and preferred skill of root using electric seed bed heater Art parameter improves the rooting rate of zelkova schneideriana hardwood cutting, provides new technological approaches for the production of zelkova schneideriana quick reproduction technique.
In order to achieve the above-mentioned object of the invention, the technical solution of the present invention is to provide a kind of zelkova schneideriana electric seed bed heater hardwood cutting sides Method includes the following steps:
(1) slotting machine constructs: before implementing cuttage, constructing electric heating temperature control slotting machine, sets the wet sand of 3 ~ 5 cm thickness on ground hot line upper berth, draws Flat sand face forms sand bed, prepares for placing cuttings;
(2) cutting acquires: 2 ~ 3 weeks before the germination of spring zelkova schneideriana, acquiring cutting from zelkova schneideriana elite stand, is used for clip cuttings;It inserts After item adopts go back to interior, it is bundled into wisp, shading is placed on, saves 7 ~ 10 days under room temperature;
(3) cuttings is handled: from clip cuttings in zelkova schneideriana cutting, long 12 ~ 15 cm, 0.8 cm or more of diameter;When clip cuttings, on It holds and is tiltedly cut from 1 ~ 2 cm above terminal bud, 0.5 ~ 1 cm straight snips below root substance of the lower end from bud, every 20 ~ 40 bundles of the cuttings sheared At a bundle, cuttings base portion is immersed in 6 ~ 14 h in taking root liquid in time, impregnating depth is 3 ~ 4 cm;The taking root liquid is 50 ~ 75 The compound taking root liquid of ppm NAA and 100 ~ 150 ppm IBA;
(4) cottage method: by through the processed bundled cuttings vertical out-fall of taking root liquid in the sand bed of electric heating temperature control slotting machine, at Paving wet sand is filled out between bundle cuttings, with a thickness of the 1/2 ~ 2/3 of cuttings;
(5) manage after inserting: after cuttage, slotting machine temperature is controlled at 24 DEG C ~ 28 DEG C;Wet, holding relative humidity 70% ~ 85% is mended daily; Every other week, 500 ~ 1000 times of carbendazim medical fluids are sprayed;25 ~ 35 days after cuttage, cuttings base portion forms a large amount of root systems, obtains Zelkova schneideriana hardwood cutting seedling is obtained, for transplanting.
One preferred embodiment of taking root liquid of the present invention is the compound taking root liquid of 50 ppm NAA and 100 ppm IBA.
Compared with prior art, the present invention before zelkova schneideriana is germinateed due to acquiring cutting, clip cuttings, being suitable at root-growing agent It after reason, carries out urging root by electric seed bed heater, cutting experiment can be improved, rooting rate reaches as high as 90% or so, and beneficial effect is main It embodies as follows:
(1) cuttage root-taking speed is fast.Zelkova schneideriana hardwood cutting is in the past all by the way of cold bed cuttage, substrate temperature and cuttings base portion Temperature-sensitive is lower than temperature, is unfavorable for cuttage rooting.The method that the present invention uses electric heating slotting machine, can regulate and control slotting machine and cuttings base portion temperature Degree remains at 24 DEG C ~ 28 DEG C or so, and such temperature condition cooperates preferred root-growing agent to handle again, promotes cuttings Rapid Rooting forms callus after cuttage 1 week, starts to take root after 2 weeks, formed a large amount of root systems after 4 weeks, to be conducive to Taking root for zelkova schneideriana hardwood cutting is improved to survive.
(2) cutting plantation is improved.Forefathers show in relation to the result of study of zelkova schneideriana hardwood cutting using river sand as base The rooting efficiency of matter is poor, and rooting rate is only 15% or so.The present invention urges the method for root and the technology ginseng of optimization using electric seed bed heater Number, significantly improves the rooting efficiency of zelkova schneideriana hardwood cutting, rooting percent reaches as high as 90% or so, compared with cold bed cuttage Rooting rate significantly improves.
(3) cuttage and seedling culture efficiency can be improved.The method that the present invention urges root using electric seed bed heater, can be by the bundled intensive row of cuttings It is put in breeding ground, is transplanted again after taking root to crop field, compared to the utilization that slotting machine can be significantly increased in the direct hardwood cutting in crop field Efficiency and the efficiency of management, to improve the working efficiency of hardwood cutting and seedling raising.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of methods of zelkova schneideriana Simple electric heating breeding ground hardwood cutting, the specific steps are as follows:
1. slotting machine constructs:
Relatively dry level land is selected indoors or in greenhouse, is laid with cutting bed with brick or other suitable materials, slotting machine is wide by 1.2 ~ 1.4 m, high 25 ~ 30 cm, depending on length base area hot line specification and place size;Bottom in cutting bed is laid with one layer of rice The thermal insulation materials such as grass, cover film above it, re-lay the thick river sand of 3 ~ 5 cm thickness, it is desirable that Shamian Island strikes off, in order to uniform Lay ground hot line.On slotting machine both ends and intermediate river sand, batten each 1 for placing long 1.2 ~ 1.4 m, on batten every 5 ~ 8 cm hammer into nail.It when wiring, is routed back and forth between the batten of both ends, it is desirable that hot line drawing in ground is even to be straightened, and elastic appropriateness cannot There is breakage, cannot mutually wind, originates the end of a thread and end the end of a thread is placed on slotting machine the same side, to connect temperature controller.Wire bond Shu Hou re-lays the wet sand of 3 ~ 5 cm thickness on ground hot line, evens up Shamian Island, prepares for placing cuttings.
2. cutting acquires:
It germinates first 2 ~ 3 weeks in zelkova schneideriana spring, clip kind is excellent from elite stand, growth is normal, branch is sturdy, no disease and pests harm branch Item is as cutting.After cutting is adopted back, it is bundled into wisp, is placed on shading, the place of room temperature is taken care of 7 ~ 10 days;It is laid in advance on ground Straw or river sand close the doors and windows wisp cutting vertical out-fall daytime, ventilation of opeing the window at night, pay attention to suitably mending wet, holding Cutting is fresh, not shrivelled, moisture is appropriate, and cutting is made to lose portion of water, but still keeps appropriate aqueous amount, prevents fringe bar mistake It is dry, to delay the sprout time of cutting hibernaculum, reduce nutrient consumption.
3. cuttings is handled:
(1) from clip cuttings in zelkova schneideriana cutting, long 12 ~ 15 cm, 0.8 cm or more of diameter;When clip cuttings, upper end is from terminal bud 1 ~ 2 cm of side is tiltedly cut, 0.5 ~ 1 cm straight snips below root substance of the lower end from bud, it is desirable that it is smooth that clip is straight, without wound;It shears Cuttings every 20 ~ 40 be bundled into a bundle.
(2) cuttings tied up is handled with root-growing agent in time, base portion is immersed in 6 ~ 14 h in taking root liquid, and dipping is deep Degree is 3 ~ 4 cm.Formula of liquid of taking root is the compound taking root liquid of 50 ~ 75 ppm NAA and 100 ~ 150 ppm IBA.
4. cottage method:
(1) a bundle closely a bundle, will be arranged in rows through the processed bundled cuttings vertical out-fall of root-growing agent in sand bed, row to Vertical with slotting machine trend, capable and 2 ~ 3 cm of row interval, in the ranks river sand is clogged in gap;All after discharge, then in bundled cuttings River sand is in the ranks filled, is inserted into the 1/2 ~ 2/3 of cuttings in river sand;It is finally wet with sprayer or watering can benefit, keep cuttings close with river sand Cut-grafting touching.
(2) after cuttings all drains into slotting machine, connection ground hot line and temperature controller adjust the temperature of temperature controller to purpose temperature Degree.By temperature-sensing probe be inserted into slotting machine in, and near temperature-sensing probe and slotting machine different location be inserted into 3 ~ 4 thermometers, insertion Depth is identical as cuttings lower end clip.
5. the management after cuttage:
(1) after cuttings all drains into slotting machine, temperature-sensing probe is inserted into slotting machine, and near temperature-sensing probe and slotting machine difference position 3 ~ 4 thermometers of insertion are set, insertion depth is identical as cuttings lower end clip.Connection ground hot line and temperature controller, by temperature controller Temperature is adjusted to purpose temperature.
(2) after cuttage, slotting machine temperature is controlled at 24 DEG C ~ 28 DEG C;Wet, holding relative humidity 70% ~ 85% is mended daily;It is indoor or Temperature and humidity keeps nature in greenhouse, without especially adjusting.
(3) after cuttage, every other week, 500 ~ 1000 times of carbendazim medical fluids of sprinkling rot to prevent cuttings base portion.
According to the above method, cuttings forms callus after cuttage 1 week, starts to take root after 2 weeks, has been formed after 4 weeks a large amount of Root system survives to be conducive to taking root for zelkova schneideriana hardwood cutting of raising, can be used for transplanting.
Embodiment 2
It germinates first 2 ~ 3 weeks in zelkova schneideriana spring, annotinous branch is acquired on elite stand as cutting, wisp is bundled into, is stored in low temperature Shelter from the sun, ground is laid with straw or yellow sand closes the doors and windows wisp cutting vertical out-fall daytime, ventilation of opeing the window at night, note Anticipating, it is wet suitably to mend, and cutting is made to keep appropriate aqueous amount.Meanwhile brick and wide 1.2 ~ 1.4 m of other material-pavings, height are used indoors The cutting bed of 25 ~ 30 cm.3 ~ 5 cm wet sands are re-layed on well laid ground hot line, even up Shamian Island, are prepared slotting for placing Fringe.
On the day of cuttage, clip grows the cuttings of 12 ~ 15 cm, the diameter cm thickness of 0.8 cm ~ 1.0 from cutting;Upper end is far from top 1 ~ 2 cm or so is tiltedly cut above bud, lower end 0.5 ~ 1 cm or so straight snips below bud root substance.The cuttings sheared every 20 are bundled into It a bundle, is impregnated in different taking root liquids, impregnates 3 ~ 4 cm of base portion, 14 h of dip time.
It by impregnated bundled cuttings vertical out-fall in sand bed, a bundle closely a bundle, is arranged in rows, row is walked to slotting machine To vertical, capable and 2 ~ 3 cm of row interval, the yellow sand of gap filling in the ranks.In the ranks add yellow sand in bundled cuttings, make cuttings 1/2 ~ It is finally wet with sprayer or watering can benefit in 2/3 insertion river sand, make cuttings and yellow sand close contact.Cuttings all drains into slotting machine Afterwards, connection ground hot line and temperature controller, the temperature of temperature controller is adjusted to 24 DEG C ~ 28 DEG C or so.After cuttage, the temperature of slotting machine is controlled At 24 DEG C ~ 28 DEG C or so, wet, holding relative humidity 70% ~ 85% is mended daily;Indoor temperature and humidity keeps nature, without special It adjusts;Every other week, a carbendazim medical fluid is sprayed, is rotted to prevent cuttings base portion.
It is only 10% ~ 15% without the rooting percent that root-growing agent is handled, through NAA1000 ppm or IBA after cuttage 35 days What 1000 ppm individually soaked processing fastly is respectively 35% and 40%, and the rooting rate of the NAA and IBA mixed processing with 50 ~ 100 ppm Between 40% ~ 90%, wherein the rooting rate of 50 ppm NAA and 100 ppm IBA treatment regions has been up to 90%, compared to The rooting rate of 100 ppm ABT root-growing agents processing is also obviously improved.Therefore, it in zelkova schneideriana electric seed bed heater hardwood cutting and seedling raising, uses The compound root-growing agent of 50 ppm NAA and 100 ppm IBA can significantly improve cuttage root-taking survival rate.
Embodiment 3
It germinates first 2 ~ 3 weeks in zelkova schneideriana spring, annotinous branch is acquired on elite stand as cutting, wisp is bundled into, is stored in low temperature Shelter from the sun, ground is laid with straw or yellow sand closes the doors and windows wisp cutting vertical out-fall daytime, ventilation of opeing the window at night, note Anticipating, it is wet suitably to mend, and cutting is made to keep appropriate aqueous amount.Meanwhile brick and wide 1.2 ~ 1.4 m of other material-pavings, height are used indoors The cutting bed of 25 ~ 30 cm.3 ~ 5 cm wet sands are re-layed on well laid ground hot line, even up Shamian Island, are prepared slotting for placing Fringe.
On the day of cuttage, the cuttings of clip different length and thickness is distinguished from cutting, wherein the average length of tiny cuttings 11.60 cm, 0.57 cm of diameter, 12.16 cm of average length, 0.87 cm of diameter of medium cuttings, the average length of thick long cuttings Spend 29.73 cm, 0.97 cm of diameter;When cutting cuttings, upper end is tiltedly cut away from 1 ~ 2 cm above terminal bud or so, and lower end is under bud root substance 1 ~ 2 cm of side or so straight snips.The cuttings sheared every 20 are bundled into a bundle, are impregnated in 100 ppm ABT taking root liquids, impregnate base portion 3 ~ 4 cm, 14 h of dip time.
It by impregnated bundled cuttings vertical out-fall in sand bed, a bundle closely a bundle, is arranged in rows, row is walked to slotting machine To vertical, capable and 2 ~ 3 cm of row interval, the yellow sand of gap filling in the ranks.In the ranks add yellow sand in bundled cuttings, make cuttings 1/2 ~ It is finally wet with sprayer or watering can benefit in 2/3 insertion river sand, make cuttings and yellow sand close contact.Cuttings all drains into slotting machine Afterwards, connection ground hot line and temperature controller, the temperature of temperature controller is adjusted to 24 DEG C ~ 28 DEG C or so.After cuttage, the control of slotting machine temperature exists 24 DEG C ~ 28 DEG C or so, wet, holding relative humidity 70% ~ 85% is mended daily;Indoor temperature and humidity keeps nature, without especially adjusting Section;Every other week, a carbendazim medical fluid is sprayed, is rotted to prevent cuttings base portion.
After cuttage 40 days, it can be seen that there are great differences for the cutting experiment of different type cuttings, wherein tiny cuttings Rooting rate is 55%, and the rooting rate of medium cuttings is 70%, and the rooting rate of thick long cuttings is 75%.Therefore, zelkova schneideriana electric seed bed heater stiff wood In cuttage and seedling culture, branch clip cuttings of the Ying Xuanyong diameter from 0.8 cm or more;Although long cuttings cuttage works well, consider To the utilization efficiency of cutting, cutting length is advisable with 12 ~ 15 cm, is conducive to improve cuttage root-taking survival rate in this way;In cutting material Expect it is abundant in the case where, can also the appropriate long cuttings of clip carry out cuttage.
Embodiment 4
It germinates first 2 ~ 3 weeks in zelkova schneideriana spring, annotinous branch is acquired on elite stand as cutting, wisp is bundled into, is stored in low temperature Shelter from the sun, ground is laid with straw or yellow sand closes the doors and windows wisp cutting vertical out-fall daytime, ventilation of opeing the window at night, note Anticipating, it is wet suitably to mend, and cutting is made to keep appropriate aqueous amount.Meanwhile brick and wide 1.2 ~ 1.4 m of other material-pavings, height are used indoors The cutting bed of 25 ~ 30 cm.The perlite that the river sand or volume ratio that 3 ~ 5 cm are re-layed on well laid ground hot line are 1:1 With vermiculite as cutting medium, cuttings is placed in preparation in matrix.
On the day of cuttage, the cuttings of 12 ~ 15 cm long of clip, 0.8 cm or more of diameter, the upper end is away from 1 ~ 2 cm above terminal bud Left and right is tiltedly cut, lower end 0.5 ~ 1 cm or so straight snips below bud root substance.The cuttings sheared every 20 are bundled into a bundle, are impregnated in In 100 ppm ABT taking root liquids, 3 ~ 4 cm of base portion, 14 h of dip time are impregnated.
It by impregnated bundled cuttings vertical out-fall in sand bed, a bundle closely a bundle, is arranged in rows, row is walked to slotting machine To vertical, capable and 2 ~ 3 cm of row interval, the cutting medium of gap filling in the ranks.Matrix is in the ranks also added in bundled cuttings, makes cuttings 1/2 ~ 2/3 insertion river sand in, finally mended with sprayer or watering can wet, make cuttings and matrix close contact.Cuttings is all discharged After entering slotting machine, connection ground hot line and temperature controller adjust the temperature of temperature controller to 24 DEG C ~ 28 DEG C or so.After cuttage, slotting machine is controlled Temperature mends wet, holding relative humidity 70% ~ 85% at 24 DEG C ~ 28 DEG C or so daily;Indoor temperature and humidity keeps nature, is not necessarily to Especially adjust;Every other week, a carbendazim medical fluid is sprayed, is rotted to prevent cuttings base portion.
After cuttage 40 days, it can be seen that influence of the different substrates to zelkova schneideriana cutting experiment is very big, wherein using river sand as skewer The rooting rate for inserting matrix is 70%, and perlite mixes the rooting rate only 10% or so as cutting medium with vermiculite (1:1), this can It can be related with the water management situation during the characteristic of different substrates and cuttage.Therefore, zelkova schneideriana electric seed bed heater hardwood cutting and seedling raising In, slotting machine matrix is preferably river sand, especially under the environmental condition that moisturizing is more, how wet slotting machine is, the good water penetration of river sand and Aeration is more advantageous to cuttage rooting.

Claims (2)

1. a kind of zelkova schneideriana electric seed bed heater hardwood cuttage method, it is characterised in that include the following steps:
(1) slotting machine constructs: before implementing cuttage, constructing electric heating temperature control slotting machine, sets the wet sand of 3 ~ 5 cm thickness on ground hot line upper berth, draws Flat sand face forms sand bed, prepares for placing cuttings;
(2) cutting acquires: 2 ~ 3 weeks before the germination of spring zelkova schneideriana, acquiring cutting from zelkova schneideriana elite stand, is used for clip cuttings;It inserts After item adopts go back to interior, it is bundled into wisp, shading is placed on, saves 7 ~ 10 days under room temperature;
(3) cuttings is handled: from clip cuttings in zelkova schneideriana cutting, long 12 ~ 15 cm, 0.8 cm or more of diameter;When clip cuttings, on It holds and is tiltedly cut from 1 ~ 2 cm above terminal bud, 0.5 ~ 1 cm straight snips below root substance of the lower end from bud, every 20 ~ 40 bundles of the cuttings sheared At a bundle, cuttings base portion is immersed in 6 ~ 14 h in taking root liquid in time, impregnating depth is 3 ~ 4 cm;The taking root liquid is 50 ~ 75 The compound taking root liquid of ppm NAA and 100 ~ 150 ppm IBA;
(4) cottage method: by through the processed bundled cuttings vertical out-fall of taking root liquid in the sand bed of electric heating temperature control slotting machine, at Paving wet sand is filled out between bundle cuttings, with a thickness of the 1/2 ~ 2/3 of cuttings;
(5) manage after inserting: after cuttage, slotting machine temperature is controlled at 24 DEG C ~ 28 DEG C;Wet, holding relative humidity 70% ~ 85% is mended daily; Every other week, 500 ~ 1000 times of carbendazim medical fluids are sprayed;25 ~ 35 days after cuttage, cuttings base portion forms a large amount of root systems, obtains Zelkova schneideriana hardwood cutting seedling is obtained, for transplanting.
2. a kind of zelkova schneideriana electric seed bed heater hardwood cuttage method according to claim 1, it is characterised in that: the taking root liquid is The compound taking root liquid of 50 ppm NAA and 100 ppm IBA.
CN201910907045.XA 2019-09-24 2019-09-24 A kind of zelkova schneideriana electric seed bed heater hardwood cuttage method Pending CN110521414A (en)

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