CN102138408B - Tea light-medium plug seedling method - Google Patents
Tea light-medium plug seedling method Download PDFInfo
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- CN102138408B CN102138408B CN201010609823.6A CN201010609823A CN102138408B CN 102138408 B CN102138408 B CN 102138408B CN 201010609823 A CN201010609823 A CN 201010609823A CN 102138408 B CN102138408 B CN 102138408B
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Classifications
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- Y02P60/216—
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Abstract
The invention relates to a tea light-medium plug seedling method, which comprises the following steps: collecting cut shoots, preparing seedling raising facilities, preparing seedling raising medium, preparing seedling raising plug, preparing cut shoots, cutting, managing after cutting and the like. The method can obviously reduce seedling raising time and improve the transplant survival rate of tea seedlings; when the method is used to grow tea seedlings, the growing speed of the tea plants is high, the tea plants can be shaped and trimmed in the same year, and tea leaves can be picked in next year; and compared with the conventional method, the tea leaves are picked 2 to 3 years earlier after the seedlings are transplanted in field, time and labor are saved, the field planting time is flexible and can be selected freely, and field planting can be performed in seasons other than busy seasons.
Description
[technical field]
The invention belongs to field of plant growing technology.More specifically, the present invention relates to a kind of method of tea light medium plug seedling.
[background technology]
China is the country of planting the earliest in the world tea, tea making, drinking tea, the cultivation history of existing several thousand of tea tree.Tea tree is very strict to the environmental requirement of its growth, for example, select soil layer thick 1 meter of above, not containing limestone serous, well-drained sand loam, and the content of organic matter of this sand loam is high, and air capacity of soils, water penetration or retaining performance are good, pH value 4.5～6.5; Rainfall is average, and annual rainfall is more than 1500mm; Illumination can not be too by force can not be too a little less than; 10 ℃ of the per day need of temperature.Therefore the mountain area of selecting to have certain altitude, rainfall is abundant, and cloud and mist is many, and air humidity is large, diffusion light intensity, this landform is favourable to Growth of Tea Plants.
Conventionally adopt cuttage seedling raising method to carry out tea tree breeding.
Tea tree breeding in the past adopts seed propagation, and this measure is abrogated at present substantially, and widely adopts cuttage seedling raising method to carry out tea tree breeding.Domestic producer and researcher once did practice and the research of series to the cottage propagation of tea tree.CN200810243082 discloses single-node cutting seed-raising method of tea plant, and the method proposes at nursery lot single node cutting, then to water sufficient water cover film late September-mid-October in the fall, and Second Year is opened film, in Second Year seedling autumn and winter, goes out garden; CN99121205 discloses a kind of cuttage without spreading subsoil for tea tree, and the method is the cuttage and seedling culture method of spreading subsoil not on seedbed; CN99114884.3 discloses a kind of fast tea seedling growing method, proposes adopting before fringe 5-7 days to fringe bar will pinch pinching, then single node cutting on the seedbed of putting in order; CN2008100734911 discloses tea tree short sprout tender lateral branch cuttage, and the method is to impel after sprouting of lateral bud by female branch of pinching, then uses the method for lateral bud cuttage on seedbed.
By existing literature search and various places production practices situation, there is following shortcoming in these seedling raising mannerses: be all 1, that open country is grown seedlings, growing-seedling period is long, generally all takes more than 1 year.The seedling of 2, educating is all bareroot seedling, during transplanting, need to be completely cured, and survival rate is not high, and has obvious seedling-slowing stage.3, plant transplantation of seedlings inconvenience, management cost is high.4, not resistance to long-distance transport.
Therefore, in order to overcome these defects of prior art existence, be necessary to develop a kind of method of tea light medium plug seedling, the inventor, through lot of experiments research, has completed the present invention finally.
[summary of the invention]
[technical problem that will solve]
The object of this invention is to provide a kind of method of tea light medium plug seedling.
[technical scheme]
The present invention is achieved through the following technical solutions.
The present invention relates to a kind of method of tea light medium plug seedling.The step of the method is as follows:
(1) collection of cuttings
From stock tree, gather the raw lignified spring tip, summer shoot or the autumn growth branch then that axillalry bud is full, blade is complete, the cuttings under adopting is placed in ventilative gauze bag, and suitably water spray is placed shady and cool place, preserves 3-7 days;
(2) preparation in booth or greenhouse
Selecting all types of plastic tunnels or greenhouse is culture facility, clears up booth or greenhouse before growing seedlings, and simultaneously, at the shade sunshade net of rate of booth or warm outdoor cover one deck 80-90%, in booth or greenhouse, drainage facility is watered well in outfit.
(3) preparation of matrix
Employing is selected from the several without native raw material preparation matrix of the peat composed of rotten mosses, perlite and straw decomposing matrix;
(4) preparation of cave dish
Cave dish size is selected 50 caves, 72 caves and 128 caves, cave dish, and the matrix that step (3) is mixed to get installs in the dish of cave;
(5) preparation of cuttings
It is half leaf one bud or the 1/3 leaf one bud cutting fringe cutting of 3-5 centimetre that the cuttings that step (1) collects is cut into length; Cuttings upper end clip is slightly flat, and clip, from axillalry bud 0.3cm left and right, is as the criterion not damage axillalry bud, and lower end is cut into blade and raw oblique identical 45-50 ° angle, and it is level and smooth that clip is wanted.
(6) cuttage mode
According to the standard of cave one cuttings, in the ready cave of cutting inserting step (3) dish that step (4) is sheared, the cuttage degree of depth is the degree of depth that cuttings bottom is positioned at dish middle, cave, and cuttings direction blade is consistent in the dish of same cave;
(7) management after cuttage
After cuttage, fully guarantee that matrix is moistening, cutting is added to intense light irradiation and fertile part of management.
A preferred embodiment of the invention, before gathering 9 o'clock of morning of selection of time fine day of cuttings in step (1) or the cloudy day.
According to another kind of preferred embodiment of the present invention, in step (3), soilless substrate is prepared by following part by weight: 75% peat composed of rotten mosses+25% perlite.
According to another kind of preferred embodiment of the present invention, in step (3), soilless substrate is prepared by following part by weight: 35% straw decomposing matrix+55% peat composed of rotten mosses+10% perlite.
According to another kind of preferred embodiment of the present invention, in step (7), take following methods fully to guarantee that matrix is moistening:
After cuttage, within front 15-20 days, will fully guarantee that matrix is moistening, relative air humidity is controlled at 85-95%, and every day, mist was filled with 3 times, the morning, noon and afternoon respectively once, each 20-30min;
While manually watering, irrigate once every day sooner or later; Mist filling every day 2 times after 10 days, sooner or later respectively once, each 20-30 minute, while manually watering, irrigate once every day;
After 20 days, reduce to once a day each 20-30min.
According to another kind of preferred embodiment of the present invention, in step (7), take following methods to strengthen illumination management:
After cuttage front 15-25 days in slightly shady place's maintenance, intensity of illumination 3000-1000 lux, and visible sparse light after 10 days progressively adds intense light irradiation later, is beneficial to blade and carries out photosynthesis, promotes cutting base portion produce callus and start to take root; After 45 days, can accept maintenance full sun.
According to another kind of preferred embodiment of the present invention, in step (7), take following methods to strengthen fertile part of management:
After cuttage the 3rd day and the naphthalene acid solution by 100mg/L concentration on the 7th to the root drip irrigation of cutting once, to promote rooting of cuttings;
15 days afterwards new root begin to take shape, now weekly in conjunction with the 250-300ppm water soluble composite fertilizer 20-10-20 of pouring that waters;
Emerge and execute a urea the last week to impel the healthy and strong growth of seedling;
After 14 days, the new root of cutting begins to take shape, and after 30 days, seedling forms, and after this carries out hardening, transplanting.
To explain the present invention below.
The present invention relates to a kind of tea light medium plug seedling method.
The step of the method is as follows:
(1) collection of cuttings
Choose after satisfactory tealeaves maternal plant garden, the raw lignified spring tip, summer shoot or the autumn growth branch then that from stock tree, gather that axillalry bud is full, blade is complete, while gathering cuttings, before selecting 9 o'clock of morning of fine day or the cloudy day.Cuttings under adopting is placed in ventilative gauze bag, and suitably water spray is placed shady and cool place, preserves 3-7 days.
According to the present invention, the alternative condition of tealeaves maternal plant garden is: the tea tree breed of maternal plant garden should be clone original seed garden or the maternal breeding of the direct I and II of introducing from original seed garden; The age of tree is more than 4 years, and robust growth, without the tea tree of dangerous plant pests; The fertile training management of maternal plant garden must be higher than conventional tea plantation, and cake fertilizer 150-200 kilogram or corresponding organic manure are executed in every mu, autumn dust tea garden.
(2) preparation in booth or greenhouse
It is culture facility that the present invention adopts all types of plastic tunnels or greenhouse.Before growing seedlings, clear up booth or greenhouse, simultaneously at the shade sunshade net of rate of booth or warm outdoor cover one deck 85%.In booth or greenhouse, drainage facility is watered well in outfit.
Described greenhouse is using daylighting cladding material as all or part of space enclosing structure material, can be in the winter time or other be not suitable for the season of open country plant growth for the building of cultivated plant.For example plastic greenhouse is bent by galvanizing pipe or square tube, and cladding material is film, and version is various.According to weather conditions difference, plantation object difference and function difference, can build up single thin film, bilayer film greenhouse.Adopt galvanizing steel section bar to do skeleton, top, side are import (or domestic) high-quality cover film.Plastic greenhouse is simple in structure, cheap, and the duration is short, and applicability is strong.
Described plastic tunnel is not heating take plastic film as cladding material, single span arch roof structure greenhouse.
(3) preparation of matrix
The present invention takes without native formulation media, according to various places raw material difference, adopts and is selected from the several without native raw material preparation matrix of the peat composed of rotten mosses, perlite, straw decomposing matrix and straw decomposing matrix.By weight, the configuration proportion of these raw materials can be: 75% peat composed of rotten mosses+25% perlite or 35% straw decomposing matrix+55% peat composed of rotten mosses+10% perlite.
According to the present invention, point disk seedling growing should be appreciated that it is a kind of seedling growing process that adopts once-seedling forming container and soilless culture.The matrix that point disk seedling growing is used is the light matrix such as peat soil, vermiculite or perlite.The light specific gravity of these matrix, has good gas permeability and moisture capacity, and acid-base value is moderate.Adopt point disk seedling growing can reach seedling bud ratio high, seedling vitality is strong, and seedling density is high, and cost is low.After transplanting, dish seedling in cave can shoot up and the seedling-slowing stage that do not have tradition to grow seedlings.Point disk seedling growing is conducive to do mechanization operation, is conducive to seedling commercialization.
(4) preparation of cave dish
Cave dish size is selected 50 caves, 72 caves and 128 caves, cave dish, and the matrix that step (3) is mixed to get installs in the dish of cave.
Described cave dish is normally used cave dish in the art, and for example specification is PS plastic sucking disc or the PE plastic sucking disc in 50,72,128 holes.
Cave dish that can not allow according to the different choice of the size of cuttage seeding and transplanting time specification, general large cuttings adopts 50 cave, cave dishes, and little cuttings adopts 72 caves or 128 caves, cave dish.Described cave dish needs to carry out conventional cleaning and sterilizing before use.
Described cave dish is used the amount of matrix long-pending larger more than 10% than described cave disk body.
(5) preparation of cuttings
It is half leaf one bud or the 1/3 leaf one bud cutting fringe cutting of 3-5 centimetre that the cuttings that step (1) collects is cut into length.Cuttings upper end clip is slightly flat, and clip, from axillalry bud 0.3cm left and right, is as the criterion not damage axillalry bud, and lower end is cut into blade and raw oblique identical 45-50 ° angle, and it is level and smooth that clip is wanted.
(6) cuttage mode
According to the standard of cave one cuttings, in the ready cave of cutting inserting step (3) dish that step (4) is sheared, the cuttage degree of depth is the degree of depth that cuttings bottom is positioned at dish middle, cave, and cuttings direction blade is consistent in the dish of same cave.
(7) management after cuttage
After cuttage, fully guarantee that matrix is moistening, cutting is added to intense light irradiation and fertile part of management.
In this step, take following methods fully to guarantee that matrix is moistening:
After cuttage, within front 15-20 days, will fully guarantee that matrix is moistening, relative air humidity is controlled at 85-95%, and every day, mist was filled with 3 times, the morning, noon and afternoon respectively once, each 20-30min.
While manually watering, irrigate once every day sooner or later; Mist filling every day 2 times after 10 days, sooner or later respectively once, each 20-30 minute, while manually watering, irrigate once every day.
After 20 days, reduce to once a day each 20-30min;
If humidity is too high, can cause rotting of cuttings; If humidity is too low, can cause cuttings to be wilted.
In this step, take following methods to strengthen illumination management:
After cuttage front 15-25 days in slightly shady place's maintenance, intensity of illumination 3000-1000 lux, and visible sparse light after 10 days progressively adds intense light irradiation later, is beneficial to blade and carries out photosynthesis, promotes cutting base portion produce callus and start to take root; After 45 days, can accept maintenance full sun.
Wherein, described maintenance full sun is interpreted as without any the facility that shades, and the whole day sun directly shines.
If illumination is too high, can cause seedling evaporation discharge to strengthen causing wilting or excess Temperature causes and burns; Too low, growth of seedling is thin and delicate.
In this step, take following methods to strengthen fertile part of management:
After cuttage the 3rd day and the naphthalene acid solution by 100mg/L concentration on the 7th to the root drip irrigation of cutting once, to promote rooting of cuttings.
Methyl α-naphthyl acetate (NAA) is broad spectrum activity plant growth regulator, can promote cell division, and induction forms adventive root, changes Proportion of male and female flowers, increases fruit-setting rate etc.Methyl α-naphthyl acetate mainly enters in plant corpus via plant leaf blade, spray epidermis etc., with nutrient solution transporting to the position of working.Methyl α-naphthyl acetate promotes that the principle of cuttage root-taking is the parenchyma cell dedifferentiation that can promote cutting base portion because of it, i.e. the ability of cellular-restoring division, produces callus, and then grow adventive root.
The methyl α-naphthyl acetate that the present invention uses can be the methyl α-naphthyl acetate that is for example called state's light methyl α-naphthyl acetate by Sichuan Guoguang Agricultural Chemicals Co., Ltd.'s sale, commodity.
15 days afterwards new root begin to take shape, now weekly in conjunction with the 250-300ppm water soluble composite fertilizer 20-10-20 of pouring that waters;
Described water soluble composite fertilizer 20-10-20 counts 20% (weight) in described composite fertilizer gross weight with N, with P
2o
5meter 10% (weight), with K
2o counts 20% (weight), and described water soluble composite fertilizer is the water soluble composite fertilizer of selling in the market.
The composite fertilizer 20-10-20 that the present invention uses for example carrys out by Wuhan nouveaux riches the 20-10-20 that fertilizer Co., Ltd sells, commodity are called green rich Lay.
Emerge and execute a urea the last week to impel the healthy and strong growth of seedling.
After 14 days, the new root of cutting begins to take shape, and after 30 days, seedling forms, and after this carries out hardening, transplanting.
[beneficial effect]
Method of the present invention has following beneficial effect:
1) transplanting survival rate reaches 98%.The tealeaves seedling that this technical method cuttage is bred as is because the complete prosperity of root system and root hair are in the vigorous growth stage, within one week, can grow new root, as long as water sufficient normal root water when transplanting, by simple maintenance management, make transplanting survival rate bring up to more than 98% even 100%.
2) growth rapidly.The tealeaves seedling that this technical method cuttage is bred as is because seedling age is short, Gen Maofada, and seedling vitality is strong, therefore substantially there is no seedling-slowing stage, can grow into then more than 50 centimetres, and Second Year can be picked tea-leaves.
3) laborsaving saving of labor.The tealeaves seedling that this technical method cuttage is bred as is in transplanting and final-period management, and water management, weeds management all tail off because of its vigorous growth.
4) resistance to transportation.The tealeaves seedling height of seedling that this technology is bred as, single seedling weigh basically identical, are easy to packed and transported.
[embodiment]
embodiment 1
(1) collection of cuttings
July 15 chose after No. 4 tealeaves maternal plant gardens of Hubei Province tea in Yichang, from stock tree, gathered the spring tip of raw semi-lignified then that axillalry bud is full, blade is complete.While gathering cuttings, before selecting 9 o'clock of morning of fine day.Cuttings under adopting is placed in ventilative gauze bag, and suitably water spray is placed shady and cool place, cuttings to be cut.
(2) booth is prepared
Various foreign material in complete cleaning booth before growing seedlings cover the shade sunshade net of rate of one deck 85% outward at booth simultaneously.Booth is equipped with and waters drainage facility.
(3) preparation of matrix
Adopting 75% peat composed of rotten mosses+25% perlite is seedling medium.
(4) preparation of cave dish
Cave dish size is selected 128 cave, cave dishes, and the matrix that step (3) is mixed to get installs in the dish of cave.
(5) preparation of cuttings
It is half leaf one bud or the 1/3 leaf one bud cutting fringe cutting of 3-5 centimetre that the cuttings that step (1) collects is cut into length.Cuttings upper end clip is slightly flat, and clip, from axillalry bud 0.3cm left and right, is as the criterion not damage axillalry bud, and lower end is cut into blade and raw oblique identical 45-50 ° angle, and it is level and smooth that clip is wanted.
(6) cuttage mode
July 17 is according to the standard of cave one cuttings, in the ready cave of cutting inserting step (4) dish that step (5) is sheared, the cuttage degree of depth is the degree of depth that cuttings bottom is positioned at dish middle, cave, and cuttings direction blade is consistent in the dish of same cave.
(7) management after cuttage
July 17 is between August 1, no matter fine day or overcast and rainy, and while manually watering, irrigate once every day sooner or later, and spray water once noon.Wherein July 20 and July 25, irrigate morning with the naphthalene acid solution of 100mg/L concentration.
August 2 is between August 15, no matter fine day or overcast and rainy, and while manually watering, early irrigate once every day, and spray water once noon.
August 15, new root grew gradually afterwards, watered after both can having taked matrix half-dried, ran into hot weather, noon spray cooling once.
After September 15, root system is grown completely, parches and irrigating.
August 15, new root began to take shape afterwards, now watered weekly 250ppm water soluble composite fertilizer 20-10-20 one time.
Need before September 5 the 85% rate sunshade net whole day of sheltering from heat or light to cover and shelter from heat or light, after September 15, remove gradually sunshade net, full exposure management.
Nursery stage insect pest is take aphid, leaf roll, food leaf class pest as main, and disease is take red tikka, damping off as main.Insect pest can be with the control of pyrethroid or organophosphorus insecticide, and disease should be with controls such as carbendazol wettable powder or fenaminosulf, bordeaux mixture.
Before and after October 15, can go out garden transplants.
embodiment 2
(1) collection of cuttings
October 30 chose after five peak 212 tealeaves maternal plant gardens in Yichang, from stock tree, gathered the spring tip of raw semi-lignified then that axillalry bud is full, blade is complete.While gathering cuttings, before selecting 9 o'clock of morning of fine day.Cuttings under adopting is placed in ventilative gauze bag, and suitably water spray is placed shady and cool place, cuttings to be cut.
(2) booth is prepared
Various foreign material in complete cleaning booth before growing seedlings cover the shade sunshade net of rate of one deck 85% outward at booth simultaneously.Booth is equipped with and waters drainage facility.
(3) preparation of matrix
Adopting 75% peat composed of rotten mosses+25% perlite is seedling medium.
(4) preparation of cave dish
Cave dish size is selected 128 cave, cave dishes, and the matrix that step (3) is mixed to get installs in the dish of cave.
(5) preparation of cuttings
It is half leaf one bud or the 1/3 leaf one bud cutting fringe cutting of 3-5 centimetre that the cuttings that step (1) collects is cut into length.
(6) cuttage mode
November 1 is according to the standard of cave one cuttings, in the ready cave of cutting inserting step (4) dish that step (5) is sheared, the cuttage degree of depth is the degree of depth that cuttings bottom is positioned at dish middle, cave, and cuttings direction blade is consistent in the dish of same cave.
(7) management after cuttage
November 1 is to December 1, no matter fine day or overcast and rainy, and while manually watering, early irrigate once every day, and during fine day, spray water once noon.Wherein November 3 and November 7, irrigate morning with the naphthalene acid solution of 100mg/L concentration.
Between February 1 December 1 to next year, keep matrix moistening, after slightly doing, rewater.
Approximately to January 15 next year afterwards new root grow gradually, water after both can having taked matrix half-dried, run into hot weather, noon spray cooling once.Water weekly 250ppm water soluble composite fertilizer 20-10-20 one time.
November 1 did not need to shelter from heat or light during going out garden, full exposure management.
Prevention and elimination of disease and pests in a conventional manner during this period.
Approximately before and after February 25 next year, can go out garden transplanting.
Comparative example 1:
(1) prepare in seedbed
Select smooth, the fertile soil of physical features, irrigation and drainage are convenient, cuttage and seedling culture ground is not done in the plot of ponding, before seedbed is built, first spray herbicide is eliminated weeds, after 20-30cm is ploughed deeply in ground, harrow broken raking, play furrow, furrow face width 1.2m, high 10cm, the wide 30cm of raceway groove between furrow, length is determined according to physical features, general 10～20m.Rise after furrow, by mu, apply well-rotted farmyard manure 1000-2000kg, fused calcium magnesium phosphate 25kg, mixes thoroughly, flattens.
Getting virgin land yellow soil loose, ventilative, good water permeability, to be laid on the about 5cm of furrow face thick, has 3.5cm left and right to be advisable with round log after slightly compressing, and reality is beaten with wooden unit in furrow limit, treats cuttage.
In the high 2m of canopy left and right, build 85% shade.
(2) clip of cuttings and processing
At maternal plant garden clip lignification current-year branch, be cut into the long cuttings of 3-4cm October, and every braid has 1 complete leaf and 1 axillalry bud.
With root-inducing powder (ABT) 400-500ppm, soak the cuttings base portion 3-5 second shearing, then cuttings being placed in to shady and cool wet environment 2-4 hour can cuttage.
Before cuttage, first furrow face water is watered to fully moistening, slightly dryly just can carry out cuttage after not touching with one's hand.Line-spacing 8-10cm is pressed in cuttage, spacing in the rows 3-3.5cm, insertion depth is spike length 2/3, with not clay of blade, blade becomes 10-15 ° of angle with ground, expose upper end axillalry bud, cuttings blade is parallel with line-spacing direction, unified towards a direction, insert neat.After being plugged, base portion soil is compressed gently.
After cuttage, on every seedbed, with bamboo chip, build shed film and cover.
(3) nursery bed management
In February October-next year, keep the interior matrix of shed moistening.Before and after March 20, can remove film.When root system is not completed into, except the rainy day, water every day 2 times, each 1 time of the morning, afternoon; After root of hair, water every day 1 time; Be completed into after plant, 2 days or a couple of days water 1 time; After heavy rain or heavy rain, should spray water and wash away the dirt on blade and drain the water away in time in time.
Before root of hair, spray the urea of 0.2-0.5%, after root of hair, carry out foliage fertilization, with the urea of 0.2-0.5% and potassium dihydrogen phosphate mixed liquor or thin night soil, drench and execute, every 7-10 days executes 1 time.
Weeds in nursery are carefully pulled out with hand, anti-damage tea shoot.
The insect pest of nursery phase is take aphid, leaf roll, food leaf class pest as main, and disease is take red tikka, damping off as main.Insect pest can be with the control of pyrethroid or organophosphorus insecticide, and disease should be with controls such as carbendazol wettable powder or fenaminosulf, bordeaux mixture.
Through management more than a year, Second Year seedling autumn and winter can grow into more than 15 centimetres, can transplant.
Claims (5)
1. a method for tea light medium plug seedling, is characterized in that the step of the method is as follows:
(1) collection of cuttings
From stock tree, gather the raw lignified spring tip, summer shoot or the autumn growth branch then that axillalry bud is full, blade is complete, the cuttings under adopting is placed in ventilative gauze bag, and water spray is placed shady and cool place, preserves 3-7 days;
(2) preparation in booth or greenhouse
Selecting plastic tunnel or greenhouse is culture facility, simultaneously at the shade sunshade net of rate 80-90% of booth or warm outdoor cover one deck, outfit irrigating facility booth or greenhouse in;
(3) preparation of matrix
Employing is selected from the several without native raw material preparation matrix of the peat composed of rotten mosses, perlite and straw decomposing matrix;
(4) preparation of cave dish
Cave dish size is selected 50 caves, 72 caves and 128 caves, cave dish, and the matrix that step (3) is mixed to get installs in the dish of cave;
(5) preparation of cuttings
It is half leaf one bud or the 1/3 leaf one bud cutting fringe cutting of 3-5 centimetre that the cuttings that step (1) collects is cut into length;
(6) cuttage mode
According to the standard of cave one cuttings, in the ready cave of cutting inserting step (4) dish that step (5) is sheared, the cuttage degree of depth is the degree of depth that cuttings bottom is positioned at dish middle, cave, and cuttings direction blade is consistent in the dish of same cave;
(7) management after cuttage
After cuttage, fully guarantee that matrix is moistening, cutting is added to intense light irradiation and fertile part of management; Described reinforcement illumination management refers to: after July 17 cuttings, to covering and shelter from heat or light by the 85% rate sunshade net whole day of sheltering from heat or light before September 5, remove gradually sunshade net after September 15, full exposure is managed.
2. method according to claim 1, before gathering 9 o'clock of morning of selection of time fine day of cuttings in step (1) or the cloudy day.
3. method according to claim 1, in step (3), soilless substrate is prepared by following part by weight: 75% peat composed of rotten mosses+25% perlite.
4. method according to claim 1, in step (3), soilless substrate is prepared by following part by weight: 35% straw decomposing matrix+55% peat composed of rotten mosses+10% perlite.
5. method according to claim 1, in step (7), strengthen fertile part of management:
After cuttage the 3rd day and the naphthalene acid solution by 100mg/L concentration on the 7th to the root drip irrigation of cutting once, to promote rooting of cuttings;
15 days afterwards new root begin to take shape, now weekly in conjunction with the 250-300ppm water soluble composite fertilizer 20-10-20 of pouring that waters;
Emerge and execute a urea the last week to impel the healthy and strong growth of seedling;
After 14 days, the new root of cutting begins to take shape, and after 30 days, seedling forms, and after this carries out hardening, transplanting.
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