CN109452080A - A kind of Chinese catalpa full exposure is sprayed cuttage breeding method - Google Patents
A kind of Chinese catalpa full exposure is sprayed cuttage breeding method Download PDFInfo
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/10—Vegetative propagation by means of cuttings
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Developmental Biology & Embryology (AREA)
- Cultivation Of Plants (AREA)
Abstract
A kind of Chinese catalpa full exposure is sprayed cuttage breeding method, and the asexual multiplication seedling technical field being related in forest-science, step: establishing Chinese catalpa cutting orchard, so that nursery stock is kept spindle or spheroidal, pinches before adopting item；Prepare slotting machine, slotting machine bedding 2-3cm stone, 20cm-30cm sieving river sand in stone upper berth sterilizes slotting machine before cuttage；Acquiring from cutting orchard is suitable for branch, accomplishes 5-8cm cuttings, ABT1 root-inducing powder 1000 × 10‑6The quickly dipped processing of g/L；It put using trench digging, bury soil pressure reality cottage method；During cuttage works, prepare intermittent spraying automatic control equipment, starting device timing spraying and moisturizing, spray 500-600 times of carbendazim medical fluid sterilization, then carry out water management, temperature control, disease control, foliage dressing, after cuttings is largely taken root, spray timings should be gradually decreased until stopping by spraying, after 14d hardening, it should be transplanted in time, cultivating 1 or 2 year by crop field can be out of the garden.The present invention has simple to operation, and cutting plantation is high, and the time that is out of the garden is short, the beneficial effect being produced on a large scale.
Description
Technical field
The present invention relates to the asexual multiplication seedling technical field in forest-science, specifically a kind of Chinese catalpa full exposure is sprayed skewer
Insert mating system.
Background technique
Chinese catalpa (Catalpa bungei C.A.Mey) is that the Bignoniaceae Chinese catalpa (Bignoniaceae) belongs to (Catalpa Scop.)
Tall and big deciduous tree, has a very wide distribution, and union high quality timber, rare ornamental plantation, improves atmospheric environment and medicine at ecological protection
With multiple functions such as health cares in one, it is the distinctive Precious Timber Species in China and ornamental tree species, is known as the laudatory title of " the wooden king ", has
There are more than 2100 years cultivation histories.Since " six or five ", Chinese scholar starts system research to Chinese catalpa platymiscium, and the whole nation utilizes so far
Traditional local varieties or superior type more than 20, breeding correlation new varieties, breeding more than 50, superior hybrid clone are up to a hundred
A, popularizing area mus up to a million are made that pole for China's green barren hill, cities and towns beautification, timber plantation construction, restoration of the ecosystem etc.
For important contribution.Asexual multiplication seedling method is the best mode for obtaining Chinese catalpa breeding strong sprout, and asexual reproduction method is main
There is root segment cuttage (burying root nursery) method, grafting, cottage method and the tissue culture method that Chinese catalpa (C.ovata G.Don) is stock
Deng 4 kinds.Some scholars have also inquired into foundation and the plant regeneration of Chinese catalpa Embryogenic Callus Suspension Culture, but the technology is not yet in production
Using.
Chinese catalpa belongs to cuttage tree species difficult to take root, and self-sterility, seldom solid, and has Seedling propagation difficulty and seed hair
The problems such as bud rate is low, root segment cuttage (burying root nursery) mode nursery is from the cuttage side that the 1980s continues to use always so far
Formula, it is relatively high to bury root propagation survival rate, and different clones root segment cuttage emergence rate 77~95% covers bed with plastics Small plastic shed
Face can also improve emergence rate；But when using root segment cuttage mode nursery, root segment limited amount, length and thickness are appropriate
Root segment difficulty obtains, and is influenced during obtaining by surrounding enviroment or facility, easily damages to resource and surrounding, and expense of taking a lot of work
When.In addition, nursery stock germination is unearthed evening when root segment cuttage (burying root nursery), irregular, production seedling amount is low or current year cannot be out of the garden.Afterwards
Provincial standard " Chinese catalpa buries root Technical regulations for cultivation of tree seedlings (DB 41/T 919-2014) ", root segment cuttage technique side are formulated in continuous Henan Province
Method application gradually decreases.
The domestic existing Chinese catalpa breeding overwhelming majority carries out expanding breeding seedling using grafting method, and many scholars think engrafting method
It is preferable mode of reproduction, and is applied in scientific research；(the ZL such as Jiang Yuezhong etc. (ZL 2,015 1 0258515.6), Dong Yufeng
0514888.5) 2015 1 obtain " a method of improve Chinese catalpa graft stock reproductive efficiency " and a kind of " raising Chinese catalpa respectively
The method of graft seedling growth reproductive efficiency " patented technology.But when breeding Chinese catalpa breeding using grafting method, since Chinese catalpa is spent certainly
Infertility, it is seldom solid, and have the problems such as Seedling propagation difficulty and low percentage of seedgermination, Chinese catalpa stock is few, and Chang Xuanyong Chinese catalpa is small
Seedling is as stock, and root-knot nematode infection rate is up to 100%, often resulting in serious root-rot, dry type, flexible, growth potential decline etc. is asked
It inscribes (Li Jingtao etc., 2002)；In addition, since stock and Growth status speed are inconsistent, easily occur that upper coarse and lower fine " bound feet is existing
As " (Hao Cuiping, 2009).Although having formulated grafting professional standard " Precious timber cultivation technical specification Chinese catalpa (LY T
2125~2013) ", but Chinese catalpa breeding own-rooted tree be Chinese catalpa development direction (Wang Ting spacious etc., 2009).
Chinese catalpa tissue cultures raising technology is that experts and scholars inquire into always research since the 1980s, are used for
Solve the problems, such as Chinese catalpa numerous one of important technology fastly.Two kinds of breedings are carried out using tissue culture technique and expand numerous, corresponding technical solution
The factors such as " personalization " is strong, " repeatability " is weak influence, and the differences such as drug, management mode used in laboratory, and correlation is groped in repetition
Reproductive process rebuilds one relatively very long process of related raising technology system needs, and to personnel's technology, facilities and equipment and nothing
The requirements such as collarium border are relatively high, and cost is also relatively high, still fall within " expensive type " raising technology mode, limit vast seedling
The use of garden practitioner.
Cutting propagation technology is the ideal method of catalpa bungei vegetative propagation nursery, still, general since Chinese catalpa cuttage root-taking is difficult
Logical cuttage technique survival rate is very low always, belongs to cuttage tree species difficult to take root, Chinese catalpa breeding nursery stock demand and its raising technology energy
Power exploitation mismatches, and seriously constrains the large-scale production of Chinese catalpa breeding.And different clones, different familys, different type
For cutting plantation between cuttings there are larger difference, Chinese catalpa different cultivars is different to the requirement taken root, in the actual production process,
It must be directed to different type (kind), find out respectively suitable Cutting conditions.Currently, lack to promote on a large scale, it is suitable for
The cutting propagation technology of different Chinese catalpa kinds.
Summary of the invention
The present invention provides a kind of Chinese catalpa full exposure and is sprayed cuttage breeding method, solves Chinese catalpa cottage method in the prior art
It is cumbersome, at high cost, the technical issues of can not achieve multiple Chinese catalpa kinds, clone asexual propagation.
The invention is realized in this way including the following steps:
(1) cuttings childrenization
Chinese catalpa cutting orchard is established according to seeding row spacing 1m × 0.5m, the nursery stock of Chinese catalpa cutting orchard is made to keep spindle or ball
Shape；
The nursery stock in the garden Chinese catalpa Cai Sui keeps spindle or spheroidal that Quantity of the scion can be improved.
(2) the fringe time is adopted
Can be in mid or late June, in July, fringe cuttage is adopted in the multiplicating of August early and middle ten days；
(3) cuttage facility and disinfection
Cuttage bed surface bedding 2-3cm stone, stone surface are laid with 20cm-30cm sieving river sand as cutting medium, use
Intermittent spraying automatic control equipment controls moisture；Before cuttage, slotting machine matrix is through sunlight exposure, and the carbendazim for spraying 400 times sterilizes
Sterilizing；
(4) cuttage
Acquiring from the cutting orchard of step (1) is suitable for branch, accomplishes 5-8cm cuttings, and the lower mouth of the cuttings accomplishes angle, is protected
A full leaf is stayed, carries out sterilization treatment with 800 times of carbendazim；Sterilized cuttings uses ABT1 root-inducing powder 1000 × 10- 6The quickly dipped processing of g/L；
Tool trench digging, with covering river sand after cuttings is put in ditch, the starting device timing during tissue cuttage work
Spraying and moisturizing after cuttage, sprays 500-600 times of carbendazim medical fluid sterilization to cuttage seeding；
The cottage method for being put, being buried soil pressure reality using trench digging, prevents cuttings to be damaged.
(5) management after cuttage
The spray timings on daytime and night are adjusted, setting intermittent spraying automatic control controls equipment and keeps 90% humidity；
Intermittent spraying automatic control control is controlled using electronic sensor, can be strong according to sunshine on the basis of setting humidity target
Reaction of the variation and Chinese catalpa cuttings of degree and temperature to water demand, carries out automatically controlling.Such as under intensity of sunshine and temperature
When drop, leaf transpiration effect is decreased, and control equipment will reduce water spray number.
Slotting machine temperature maintains 20~25 DEG C；Afternoon after cuttage every 7 days sprays 1 bacterium more than 500~600 times after stop-spraying mist
Medicine liquid；Foliage dressing is carried out, avoids carrying out in the sun, fertilizer used: urea, potassium dihydrogen phosphate, potassium sulfate and growth
Regulator；
(6) hardening and transplanting
After cuttings is largely taken root, spray timings are gradually decreased until stopping by spraying, after 14d hardening, are carried out in time
Transplanting；After cultivation in 2 weeks, pay attention to observing seedling growing state, be watered in time according to soil moisture content, after surviving, reinforces water and fertilizer management, intertillage
The prevention and control of plant diseases, pest control is carried out in weeding；
Seedling is cultivated 1 or 2 year by crop field and can be out of the garden.
Embodiment as one preferred, type and concentration, the volume ratio of the foliar fertilizer are as follows: 0.1% urea is molten
Liquid: 0.2% potassium dihydrogen phosphate: 2% potassium sulfate solution=2:1:1, the growth regulator are that ABT-1 root-inducing powder is molten
Liquid, the ABT-1 rooting powder solution concentration are 50 × 10-6g/L。
Embodiment as one preferred in step (5), when temperature meets 18~25 DEG C, carries out foliage dressing, and 6~8
The moon will avoid carrying out in the sun.
Embodiment as one preferred, full sunshine and spray nursery should be after cuttage among second week and last day, skewer
After stop by spraying the dusk that 4th week centre amounts to 5 periods after third all intermediate and last day, cuttage after slotting, remix
Spray chemical fertilizer and growth regulator.
Embodiment as one preferred, transplanting should select cloudy day, early morning or when afternoon 18 after carry out, after plant with
Sprinkle profoundly water.
Embodiment as one preferred, cutting density are 15cm × 2cm.
Embodiment as one preferred, the cutting bed periphery set barricade, and the barricade is brick structure.
It sheds convenient for excess moisture to bottom, surrounding.
Beneficial effects of the present invention: using Chinese catalpa clones epicormic branch cutting, and mode is simple, and cutting plantation is high, fits
For a variety of Chinese catalpa kinds, can promote on a large scale.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiments of the present invention, is shown
So, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
A kind of Chinese catalpa full exposure is sprayed cuttage breeding method, and steps are as follows:
(1) cuttings childrenization
Chinese catalpa cutting orchard is established according to seeding row spacing 1m × 0.5m, the nursery stock of Chinese catalpa cutting orchard is made to keep spindle or ball
Shape；
(2) the fringe time is adopted
Can be in mid or late June, in July, fringe cuttage is adopted in the multiplicating of August early and middle ten days；
(3) cuttage facility and disinfection
Cuttage bed surface bedding 2-3cm stone, stone surface are laid with 20cm-30cm sieving river sand as cutting medium, use
Intermittent spraying automatic control equipment controls moisture；Before cuttage, slotting machine matrix is through sunlight exposure, and the carbendazim for spraying 400 times sterilizes
Sterilizing；
(4) cuttage
Acquiring from the cutting orchard of step (1) is suitable for branch, accomplishes 5-8cm cuttings, and the lower mouth of the cuttings accomplishes angle, is protected
A full leaf is stayed, carries out sterilization treatment with 800 times of carbendazim；Sterilized cuttings uses ABT1 root-inducing powder 1000 × 10- 6The quickly dipped processing of g/L；
Tool trench digging, with covering river sand after cuttings is put in ditch, the starting device timing during tissue cuttage work
Spraying and moisturizing after cuttage, sprays 500-600 times of carbendazim medical fluid sterilization to cuttage seeding；
(5) management after cuttage
The spray timings on daytime and night are adjusted, setting control equipment keeps 90% humidity；
Slotting machine temperature maintains 20~25 DEG C；Afternoon after cuttage every 7 days sprays 1 bacterium more than 500~600 times after stop-spraying mist
Medicine liquid；Foliage dressing is carried out, avoids carrying out in the sun, fertilizer used: urea, potassium dihydrogen phosphate, potassium sulfate and growth
Regulator；
(6) hardening and transplanting
After cuttings is largely taken root, spray timings are gradually decreased until stopping by spraying, after 14d hardening, are carried out in time
Transplanting；After cultivation in 2 weeks, pay attention to observing seedling growing state, be watered in time according to soil moisture content, after surviving, reinforces water and fertilizer management, intertillage
The prevention and control of plant diseases, pest control is carried out in weeding；
Seedling is cultivated 1 or 2 year by crop field and can be out of the garden.
Further, type and concentration, the proportion of the foliar fertilizer: urea 0.1%: potassium dihydrogen phosphate 0.2%: sulfuric acid
Potassium 2%=2:1:1, the growth regulator are ABT-1 rooting powder solution, the ABT-1 rooting powder solution 50 × 10-6g/
L。
Further, in step (5), when temperature meets 18~25 DEG C, foliage dressing is carried out, 6~August will be avoided in sunlight
Lower progress.
Further, full sunshine and spray nursery, should be after cuttage among second week and after last day, cuttage among third week
And it after amounting to the dusk stopping by spraying of 5 periods after last day, cuttage among 4th week, remixes and sprays chemical fertilizer and growth
Regulator.The centre is 4d weekly, and the last day is 7d weekly.
Further, it carries out after when transplanting should select cloudy day, early morning or afternoon 18, is sprinkled profoundly water immediately after plant.
Further, cutting density is 15cm × 2cm.
Further, the cutting bed periphery sets barricade, and the barricade is brick structure.
Embodiment
1 cuttings childrenization
Since the power of regeneration of Chinese catalpa cuttings is reduced with the growth of plant age, so being eager to excel in cutting propagation
" young age " of cutting elite stand is adjusted, establishing cutting orchard is one of main path of childrenization.It is young using its ontogeny, physiology generation
To thank vigorous, cell division is strong, and it is free of in childrenization cuttings body or seldom containing the advantages of hindering substance of taking root, carries out Semi hardwood cutting,
It especially to the tree species for being difficult to take root, takes root highly effective, this cuttings is taken root much easier than the cuttings of advanced age parent.
Chinese catalpa cutting orchard is established according to seeding row spacing 1m × 0.5m, the nursery stock of Chinese catalpa cutting orchard is made to keep spindle or ball
Shape, to improve the quantity of scion.
To improve cuttage survival rate, pinches before adopting item to elite stand, erase terminal bud and branch, cultivate many sides
Branch.
In order to keep cutting orchard a large amount of in 6-8 month and repeatedly produce fringe, in second pruning, to tree crown top and its
The vigorous position of his growing way carries out intensity trimming, growth-promoting rudiment branch.
2 cuttings times
, can be in mid or late June using summer shoot cutting, in July, fringe cuttage is adopted in the multiplicating of August early and middle ten days.
3 cuttage facilities and disinfection
(1) cuttage bed surface is with brick shop fixtures, and 18 hole hole trays of a portion, turf: perlite=1:1 is matrix；It is another
Partial cuttage bed surface stone bedding 2-3cm, finally using 20cm-30cm sieving river sand as cutting medium.Cuttage pond periphery
Barricade is brick structure, is shed convenient for excess moisture to bottom, surrounding.
(2) moisture controls.Using intermittent spraying automatic control equipment, inserted according to intensity of sunshine and the variation of the height of temperature and plant
Reaction of the fringe to water demand, is controlled by electronic sensor.
(3) before cuttage, fringe bar processing site, operational instrument, ambient enviroment etc. are cleared up and is disinfected.
(4) sunlight exposure to be passed through to slotting machine matrix before cuttage, and is sterilized with 400 times of carbendazim spray disinfectant.
4 cuttages
(1) scion is handled.Acquiring from cutting orchard is suitable for branch, then accomplishes 5-8cm cuttings according to section spacer conditions, wherein
The lower mouth of cuttings accomplishes angle, retains a full leaf, repairs other blades and retains petiole, finally with 800 times of carbendazim into
Row sterilization treatment.
(2) the best hormone of preliminary experiment and concentration: ABT1 root-inducing powder 1000 × 10 are used-6The quickly dipped processing of g/L.
(3) cuttings is the spray of semi-lignified, cuttings cuttage is used in sand bed, it is easy to be damaged.Using opening
Ditch is put, buries soil pressure reality cottage method, i.e., is ditched with tool, then put cuttings in ditch, finally buried cuttings with river sand
Firmly.Cutting density is 15cm × 2cm.
(4) the starting device timing spraying and moisturizing during tissue cuttage work.
(5) after cuttage task is completed, 500-600 times of carbendazim medical fluid sterilization is sprayed to cuttage seeding.
Management after 5 cuttages
The success or failure of cutting propagation, whether the processing for depending not only on cuttings and matrix before cuttage is scientific, cuttage period and skewer
Whether insert method is reasonable, and is largely to rely on the later scientific management of cuttage, so the management after cuttage is shadow
Ring the important link of cuttage and seedling culture success or failure.
(1) water management
Equipment is controlled according to keeping 90% humidity to be arranged.Intensity of sunshine and temperature become very high sometimes in one day, and
Spraying apparatus can increase spray timings automatically, so as to meet plant cuttings at high temperature to moisture the needs of, so on the one hand can
Guarantee insert surely before taking root will not dehydration, on the other hand will not because spray water number increase due to generate seeping phenomenon, this is because
The special tectonic of cutting bed excludes extra water in time, to guarantee that death of rotting will not be caused because spraying water excessively.
In intensity of sunshine and mercury dropped, also with reduction, controller just automatically controls and subtracts the transpiration of blade
Few spray timings.
Night, the automatic control function of controller was just ineffective and stops spray due to not having stimulation of the photo-thermal to sensor
Mist, the timing spraying function of controller, is timed it by the time set spraying at this time.It can generally be set to often at night
0.5h is spraying primary, and if night is that fine day is calm, weather has dew to be formed more, and it is spraying at this moment can to stop night, can be used at this time
Spray sterilizing or progress foliage dressing etc..
(2) temperature controls
20~25 DEG C of slotting machine temperature are optimum temperature.Spray drop water energy prevents burn caused by strong sunshine, can also reduce sky
The temperature of gas.Temperature can be changed to cuttage rooting detrimental effect in the automatic management of intermittent spraying.
(3) disease control
In management after cuttage, 1 500-600 times of carbendazim medical fluid was sprayed after stop-spraying mist every 7 days afternoons, to prevent
Only rot disease occurs, and usually to keep slotting machine sanitation and hygiene, in time disposes fallen leaves or rotten cuttings.
(4) foliage dressing
Foliage top dressing is also named in foliage dressing, is that the dilution of chemical fertilizer or microelement is sprayed on blade face, through leaf
A kind of fertilizing method that sub- stomata is absorbed and utilized by plant.Foliage dressing major advantage is: dosage is few, fertilizer efficiency is significant and fast
Speed, to the effective ways of the tree species or kind and hestening rooting that take root difficult.
1. fertilizer used in foliage application, urea, potassium dihydrogen phosphate, potassium sulfate and growth regulator, the growth regulating
Agent is ABT1 rooting powder solution.
2. spray concentration be not easy it is excessively high, should be different according to plant variety because fertilizer damage easily occurs for overrich.Urea 0.1%: phosphoric acid
Potassium dihydrogen 0.2%: potassium sulfate 2%=2:1:1, the ABT-1 rooting powder solution concentration are 50 × 10-6g/L。
3. grasping spray fertilizer time and method.Because foliage application optimum temperature is 18~25 DEG C, so 6~August is exactly height
Warm season has to avoid to carry out in the sun, using full sunshine and spray nursery, should be selected in second week centre and last day, skewer
Spray is remixed after the dusk stopping of 5 periods is spraying among 4th week etc. among third week and after last day, cuttage after slotting
To fertilize and growth regulator, in order to avoid because of spraying leaching loss.
6 hardenings and transplanting
After cuttings is largely taken root, spray timings should be gradually decreased until stopping by spraying, after 14d hardening, answered timely
It is transplanted.It carries out after when transplanting should select cloudy day, early morning or afternoon 18, is sprinkled profoundly water immediately after plant.
After cultivation in 2 weeks, it should be noted that observation seedling growing state waters in time according to soil moisture content, after surviving, reinforces liquid manure pipe
Reason, tillage and weeding carry out the prevention and control of plant diseases, pest control.
Cuttage root-taking seedling is cultivated 1 or 2 year by crop field and can be out of the garden.
Test example
Test variety: Henan Chinese catalpa No. 2, Henan Chinese catalpa No. 1, light leaf Chinese catalpa, the long fruit Chinese catalpa of physa, great Ye spun gold Chinese catalpa, Chinese catalpa No. 23, Chinese catalpa No. 24.
Kind is tested by 7 and carries out cuttage with the method for embodiment, as test group；By the slotting machine river sand in embodiment
Be changed to turf: after perlite=1:1, remaining step is remained unchanged, using 7 experiment kinds using modified cottage method as
Control group carries out shoot cutting breeding trial, the rooting rate of two groups of statistics.Test group, control group rooting rate be shown in Table 1.
17 Chinese catalpa clones full exposures of table are sprayed cuttage root-taking situation
Seen from table 1, the average rooting rate of the spray all-optical cutting of 7 Chinese catalpa clones of control group is 56.6%.Its
The shoot cutting rooting rate highest of middle Henan Chinese catalpa No. 2 is 72.2%；Chinese catalpa No. 23 shoot cutting rooting rates are minimum, are 46.3%；Henan
The cutting plantation that Chinese catalpa is No. 1 is 61.1%, and the cutting plantation of light leaf Chinese catalpa is 51.9%, and the cutting plantation of the long fruit Chinese catalpa of physa is
The cutting plantation of 55.6%, great Ye spun gold Chinese catalpa is 59.3%, and the cutting plantation that Chinese catalpa is No. 24 is 50%.
The average rooting rate of the spray all-optical cutting of 7 Chinese catalpa clones of test group is 80.3%, is much higher than turf: precious
The average rooting rate of pearl batholith matter, that is, control group, has reached the requirement of scale cutting plantation, can promote numerous for scale
It educates.Wherein 7 clonal cuttage survival rates of cuttage are respectively higher than turf in river sand: cuttage in pearlite interstitial substance at
Motility rate.Henan Chinese catalpa No. 2 shoot cutting rooting rate highests are 92.9%；The shoot cutting rooting rate that Chinese catalpa is No. 24 and Chinese catalpa No. 23 is minimum,
It is 71.4%；The cutting plantation that Henan Chinese catalpa is No. 1 is 85.9%, and the cutting plantation of light leaf Chinese catalpa is 83%, the skewer of the long fruit Chinese catalpa of physa
Inserting the cutting plantation that rooting rate is 81.8%, great Ye spun gold Chinese catalpa is 76%.
Beneficial effects of the present invention: using Chinese catalpa clones epicormic branch cutting, and mode is simple, and cutting plantation is high, fits
For a variety of Chinese catalpa kinds, can promote on a large scale.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of Chinese catalpa full exposure is sprayed cuttage breeding method, which comprises the steps of:
(1) cuttings childrenization
Chinese catalpa cutting orchard is established according to seeding row spacing 1m × 0.5m, the nursery stock of Chinese catalpa cutting orchard is made to keep spindle or spheroidal；
(2) the fringe time is adopted
Can be in mid or late June, in July, fringe cuttage is adopted in the multiplicating of August early and middle ten days；
(3) cuttage facility and disinfection
Cuttage bed surface bedding 2-3cm stone, stone surface are laid with 20cm-30cm sieving river sand as cutting medium, using interval
Spray automatic controlling equipment controls moisture；Before cuttage, slotting machine matrix sprays 400 times of carbendazim sterilization through sunlight exposure；
(4) cuttage
Acquiring from the cutting orchard of step (1) is suitable for branch, accomplishes 5-8cm cuttings, and the lower mouth of the cuttings accomplishes angle, retains one
A full leaf carries out sterilization treatment with 800 times of carbendazim；Sterilized cuttings uses ABT1 root-inducing powder 1000 × 10-6G/L speed
Dip in processing；
Tool trench digging, with covering river sand after cuttings is put in ditch, starting device timing is spraying during tissue cuttage work
Moisturizing after cuttage, sprays 500-600 times of carbendazim medical fluid sterilization to cuttage seeding；
(5) management after cuttage
The spray timings on daytime and night are adjusted, setting control equipment keeps 90% humidity；
Slotting machine temperature maintains 20~25 DEG C；Afternoon after cuttage every 7 days sprays 1 500-600 times of carbendazim medicine after stop-spraying mist
Liquid；Foliage dressing is carried out, avoids carrying out in the sun, fertilizer used: urea, potassium dihydrogen phosphate, potassium sulfate and growth regulating
Agent；
(6) hardening and transplanting
After cuttings is largely taken root, spray timings are gradually decreased until stopping by spraying, after 14d hardening, being transplanted in time；
After cultivation in 2 weeks, pays attention to observing seedling growing state, be watered in time according to soil moisture content, after surviving, reinforcement water and fertilizer management, tillage and weeding,
Carry out the prevention and control of plant diseases, pest control；
Seedling is cultivated 1 or 2 year by crop field and can be out of the garden.
2. a kind of Chinese catalpa full exposure according to claim 1 is sprayed cuttage breeding method, which is characterized in that the foliar fertilizer
Type and concentration, the proportion of material: urea 0.1%: potassium dihydrogen phosphate 0.2%: potassium sulfate 2%=2:1:1, the growth regulator
For ABT-1 rooting powder solution, the ABT-1 rooting powder solution 50 × 10-6g/L。
3. a kind of Chinese catalpa full exposure according to claim 2 is sprayed cuttage breeding method, which is characterized in that in step (5),
When temperature meets 18~25 DEG C, foliage dressing is carried out, 6~August will avoid carrying out in the sun.
4. a kind of Chinese catalpa full exposure according to claim 1 is sprayed cuttage breeding method, which is characterized in that full sunshine and spray is educated
Seedling, should be after cuttage among second week and after last day, cuttage among third week and after last day, cuttage among 4th week
After the dusk of total 5 periods stops by spraying, remixes and spray chemical fertilizer and growth regulator.
5. a kind of Chinese catalpa full exposure according to any one of claims 1-4 is sprayed cuttage breeding method, which is characterized in that
It carries out after when transplanting should select cloudy day, early morning or afternoon 18, is sprinkled profoundly water immediately after plant.
6. a kind of Chinese catalpa full exposure according to claim 5 is sprayed cuttage breeding method, which is characterized in that cutting density is
15cm×2cm。
7. a kind of Chinese catalpa full exposure according to claim 6 is sprayed cuttage breeding method, which is characterized in that the cutting bed
Periphery sets barricade, and the barricade is brick structure.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111543193A (en) * | 2020-05-22 | 2020-08-18 | 浙江凤阳山—百山祖国家级自然保护区管理局凤阳山管理处 | Secondary cuttage method for red bean trees after cutting shoots and leafing |
| CN114902883A (en) * | 2022-05-16 | 2022-08-16 | 南京林业大学 | Method for intensively producing cutting shoots and twigs of catalpa bungei |
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