CN102498899A - Method for cuttage propagation of rhododendron lapponicum - Google Patents
Method for cuttage propagation of rhododendron lapponicum Download PDFInfo
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Abstract
The invention relates to a method for cuttage propagation of rhododendron lapponicum, which includes: making a mixture of peat and pearlite into cuttage substrate according to a volute ratio of from 1:3 to 1:4, cutting a stem of a current year growing semi-lignified branch of a rhododendron lapponicum plant which is under no pest and disease damage and 3-5 years old as a cutting, and retaining two to three complete leaves at the top of the cutting; dipping the base of the cutting into rooting reagent A or B prior to inserting into the substrate; and performing intermittent spray for subsequent water management, maintaining mass water content of soil to be 60-65%, and maintaining air humidity to be more than 80% during a period from cuttage to rooting of a cutting seedling. The rooting reagent A includes IBA (indole-3-butyric acid) 0.8-1.0% and thiophanate-methyl 2-4%. The rooting reagent B includes IBA 0.015-0.02% and thiophanate-methyl 1-2%. By the method, rooting rate can reach more than 85%, rooting of the cutting only requires about 60 days, and production cycle is short.
Description
Technical field
The invention belongs to field of plant growing technology, be specifically related to the cuttage breeding method of alpine rose.
Background technology
Azalea is universally acknowledged famous and precious ornamental flower, also is one of China's ten big famous flowers.Alpine rose be the Ericaceae Rhododendron (
Rhododendron)In one big type, generally be meant no squama azalea subgenus, the monkeyhead rhododendron leaf in squama azalea subgenus, the root of Egg-shaped Leaves Rhododendron subgenus arranged, and their Hybrid.Alpine rose mainly is distributed in cheuch broad leaved forest or the mountain top of China Midwest height above sea level 1400～4500m and irritates in the thick grass; Its corolla is very large, color abundant, the flower appearance is graceful, plant type is beautiful, the four seasons are evergreen; The low temperature of ability-26 ℃; Be not only and enjoy the annual flower of making a pet of, or the township afforestation good kind of beautifying, vast potential for future development had.Yet the alpine rose potted flower on the China market more than 90% is basically all from external import, and the alpine rose seedling that domestic enterprise provides is compared with import seed, and quality gap is bigger, is difficult to and external competition.
The seed of alpine rose is very little, and it is very different not only to sow the growth of difficulty and seedling, very easily produces variation, is not suitable for large-scale breeding.Though tissue culture has the reproduction coefficient height, can effectively keep advantage such as maternal plant merit, its cost is high, the cycle is long, the refining shoot survival percent is low, has limited the quick popularization of improved seeds.Cottage propagation is the most frequently used a kind of method of azalea breeding; Belgian azalea and similar type thereof are main with cottage propagation all; But the cottage propagation difficulty of alpine rose is big, and conventional cottage propagation rooting rate is extremely low or do not take root, and can't satisfy the growing market demand.In great shortage to domestic alpine rose seedling, the tissue culture propagation cost is high, the present situation of incompatibility improved seeds fast breeding; How effectively to improve the alpine rose reproductive survival rate; Shorten growing-seedling period, reduce production costs, become problem demanding prompt solution in the alpine rose industrialized development.
Summary of the invention
The technical problem that the present invention will solve is to overcome the defective that cuttage with existing cuttage breeding method cottage propagation alpine rose is difficult for taking root, rooting rate is low, its objective is the cuttage breeding method that a kind of easy and simple to handle, with low cost, alpine rose that rooting rate is high is provided.The present invention also provides the root-growing agent and the method for using thereof of the cottage propagation of suitable alpine rose.
For solving the problems of the technologies described above, the cuttage breeding method of alpine rose provided by the present invention may further comprise the steps:
(1) prepare in the seedbed: on the seedbed, build shed; Plastic covering film on shed, laying depth is the cutting medium of 12～15cm on the seedbed, below cutting medium, lays the ground hot line; Cutting medium is peat and perlitic mixture; Peat and perlitic volume ratio are 1:3～1:4, the matrix on the seedbed are watered after smooth permeable, and the liquor natrii hypochloritis who uses 1000ppm again is to ground sterilization in seedbed and the shed;
(2) transplant a cutting to select: the alpine rose plant of no damage by disease and insect of gathering life in 3～5 years is as the maternal material of cutting; 9～October; The semi-lignified branch that clip is given birth to then from this female parent material is for transplanting a cutting material; With transplant a cutting material cut be the stem section of 7～8cm for transplanting a cutting, the node more than 2 is arranged in the described cutting, the top keeps 2～3 intact leafs;
(3) processing of taking root before the cuttage: the base portion of will transplanting a cutting dips in natural air drying behind root-growing agent A 10s～20s, and the base portion of maybe will transplanting a cutting is immersed among the root-growing agent B natural air drying behind 24h～36h; The prescription of described root-growing agent A is 0.8～1.0%IBA+2～4% thiophanate methyl, and the prescription of described root-growing agent B is 0.015～0.02% IBA+1～2% thiophanate methyl; Thiophanate methyl among root-growing agent A and the root-growing agent B is that existing usefulness is joined at present; Described percentage is mass fraction;
(4) cuttage: 5～6cm in the described matrix of cutting inserting step (1) that will handle with root-growing agent makes to distance and transplants a cutting the 1st blade of base portion from stromal surface 2cm ± 0.3cm;
(5) manage after the cuttage:
A. water supply in media and ambient humidity management: after cuttage, immediately matrix spraying is watered permeable; And adopt the intermittent spraying mode to carry out follow-up water management; The mass water content of soil of matrix is 60～65%, to the long root of cuttage seeding, keeps air humidity more than 80% from the beginning cuttage;
B. illumination and temperature treatment: adopt the natural daylight full exposure to handle after the cuttage, the temperature on daytime is controlled at 18～25 ℃, and the temperature at night is controlled at 12～18 ℃, and the substrate temperature whole day remains on 18～22 ℃;
C. the extermination of disease and insect pest: after the cuttage, adopting mass fraction is 1000～1500 times of liquid sprayings of thiophanate methyl cuttage seeding of 50%, whenever sprayed once at a distance from 10～15 days, and the timely removing cutting of catching an illness;
D. nutrient management: transplanting a cutting before the long root, every urea that sprayed one time 0.1～0.5% at a distance from 5～15 days, treat that cutting sends out roots after, whenever spray once at a distance from 10～15 days potassium dihydrogen phosphates with 0.1～0.5% urea and 0.1～0.2%; When cuttage seeding formation diameter is the root ball of 1.5～3cm, transplant to the seedling alms bowl; Described percentage is mass fraction.
The branch of medium growth rate of clip and medium-coarse is taken root easily than eugonic branch; Transplant a cutting the loss of water of material for cutting more being prone to take root and reducing; All right; Transplant a cutting the first day of material at step (2) clip and water for maternal material, and 8 o'clock to 14 o'clock next day, from this female parent material clip give birth to then diameter at the semi-lignified branch of 0.5～0.8cm for transplanting a cutting material.
In step (2) lower end of described cutting is cut into flat mouthful, to reduce the formation of callus.
Comprise that also the auto spraying system is installed to carry out after step (5) cuttage management A. water supply in media and ambient humidity and manage described spraying and water permeable and the intermittent spraying mode is carried out follow-up water management.
Can also use the auto spraying system after step (5) cuttage, to manage in the C. extermination of disease and insect pest and the D. nutrient management process and spray thiophanate methyl, urea and dihydrogen phosphate solution.
It is that fine day, half cloudy half fine, overcast and rainy 3 kinds of patterns are set that the intermittent spraying mode of described auto spraying system is carried out follow-up water management, keeps in the shed air humidity more than 80%; The 1st～4 all taking root early stage after cuttage, the 9:00 of auto spraying system opens, and 18:00 closes, fine spray intervals 10 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 15 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying; During the taking root of the 5th～10 week, the 9:00 of auto spraying system opens, and 18:00 closes, fine spray intervals 12 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 20 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying; Before the 11st thoughtful transplanting, spraying system 10:00 opens, and 17:00 closes, fine spray intervals 60 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 180 minutes, 30 seconds duration of spraying; Overcast and rainyly do not spray, keeping the mass water content of soil of matrix is 60～65%, avoids the blade face dry.
Described fine day, half cloudy half finely, overcast and rainy is as the criterion with weather forecast.
Described natural daylight full exposure is handled and is meant the natural lighting cultivation cuttage seeding of utilizing whole day, cuttage seeding is not carried out the measure of any shading.
The root-growing agent A of alpine rose cottage propagation provided by the present invention is made up of 0.8～1.0%IBA+2～4% thiophanate methyl in mass fraction.
The root-growing agent B of alpine rose cottage propagation provided by the present invention is by 0.015～0.02% IBA+1～2% thiophanate methyl in mass fraction.
Described IBA is the 3-indolebutyric acid; The chemical name of thiophanate methyl is 1,2-two (3-carbometoxyl-2-ghiourea group) benzene.
Thiophanate methyl when the method for using of the root-growing agent A of described alpine rose cottage propagation is to use among the root-growing agent A is at present with join at present; Alpine rose is transplanted a cutting base portion dip in root-growing agent A 10s～20s, insert matrix behind the natural air drying again.
Thiophanate methyl when the method for using of the root-growing agent B of described alpine rose cottage propagation is to use among the root-growing agent B is at present with join at present; Alpine rose is transplanted a cutting base portion be immersed in 24h～36h among the root-growing agent B, insert matrix behind the natural air drying again.
The present invention has following advantage with respect to prior art:
1, the present invention is through selecting aggregate measures such as suitable matrix, suitable root-growing agent and processing mode and suitable fertilising, temp. and humidity for use; Solved the difficult problem that the alpine rose cuttage is difficult for taking root, the cottage propagation rate is low effectively; Effectively increase rooting rate and take root quality; Rooting rate can reach more than 85%, is one of approach of the effective breeding of alpine rose.
2, the inventive method has promoted cutting to take root fast, and rooting of cuttings only needs about 60 days, and is with short production cycle, with low cost.
3, the inventive method is suitable fully adopts auto spraying water and fertilizer management system and the operation of temp. and humidity automatic control system, and method of operating is simple, be the alpine rose scale cuttage effective modernization method of breeding fast.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but they are not to qualification of the present invention.Used test material alpine rose kind among the embodiment
Rhododendron' Nova Zembla ', alpine rose kind
Rhododendron' ground hot line, peat, perlite, each reagent of root-growing agent etc. all can be bought from the commercial channel and obtain for Furnlvall daughter ', auto spraying system.
Embodiment 1
Test material: alpine rose kind
Rhododendron' Nova Zembla '.
(1) prepare in the seedbed: on the breeding spot of choosing, setting up width is 1m, and length is the seedbed of 15m, on the seedbed, builds shed, plastic covering film on shed
,Laying depth is the cutting medium of 12～15cm on the seedbed; Cutting medium with peat and perlite by volume 1:3 mix; Below cutting medium, lay the ground hot line, with stromal surface smooth after, start spraying system; Make water content of substrate saturated, the liquor natrii hypochloritis who uses 1000ppm again is to ground sterilization in seedbed and the shed; The used auto spraying system of floral nursery is installed in the shed;
(2) cutting is selected: the alpine rose kind of choosing the no damage by disease and insect of seedling age life in 3 years
Rhododendron' Nova Zembla' is as female parent, in point in the mornings 9 September 14, from this female parent material clip give birth to then diameter at the semi-lignified branch of 0.5～0.8cm for transplanting a cutting material.Cut be the stem section of 7～8cm for transplanting a cutting, the top keeps 3 intact leafs, can keep terminal bud, transplanting a cutting has 2 nodes, lower end to be cut into flat mouthful.
(3) processing of taking root before the cuttage: will transplant a cutting with 15 is a bundle; The base portion alignment is dipped in 10s in root-growing agent A, cuttage is in the described matrix of step (1) behind the natural air drying; The cuttage degree of depth is 5～6cm, and the 1st blade that makes distance cutting base portion is from stromal surface 2cm ± 0.3cm; Cutting density is with not overlapping being advisable between the cuttage rear blade; The prescription of described root-growing agent A is the 0.8%IBA+2% thiophanate methyl.2% thiophanate methyl is that existing usefulness is formulated in the IBA solution at present among the root-growing agent A; Described percentage is mass fraction;
(4) cuttage: 5～6cm in the described matrix of cutting inserting step (1) that will handle with root-growing agent, transplant a cutting the 1st blade of base portion from stromal surface 2cm ± 0.3cm to distance;
(5) manage after the cuttage:
A. water supply in media and ambient humidity management: after cuttage, start spraying system immediately and matrix spraying is watered permeable; And adopt the intermittent spraying mode to carry out follow-up water management; The mass water content of soil of matrix is 64～65%, to the long root of cuttage seeding, keeps air humidity more than 80% from the beginning cuttage; The automatic intermittent spraying mode is adopted in air humidity and water supply in media management, and fine day, half cloudy half fine, overcast and rainy 3 kinds of patterns are set; Before the taking root of the 1st～4 week, the 9:00 of auto spraying system opens after the cuttage, and 18:00 closes.Fine spray intervals 10 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 15 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying.During the taking root of the 5th～10 week, the 9:00 of auto spraying system opens, and 18:00 closes, fine spray intervals 12 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 20 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying.Seedling stage is refined in the back entering that the 11st week began to take root, and before the 11st thoughtful transplanting, the 10:00 of auto spraying system opens, and 17:00 closes.Fine spray intervals 60 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 180 minutes, 30 seconds duration of spraying; Overcast and rainyly do not spray, keeping the mass water content of soil of matrix is 64～65%, avoids the blade face dry.
B. illumination and temperature treatment: adopt the natural daylight full exposure to handle after the cuttage, the temperature on daytime is controlled at 18 ℃, and the temperature at night is controlled at 12 ℃, and the substrate temperature whole day remains on 18 ℃; The temperature of matrix to be being advisable a little more than nighttime temperature, so as not to germinate earlier afterwards take root influence into alive;
C. the extermination of disease and insect pest: after the cuttage, close moisture spray in the afternoon after, adopting mass fraction is 1000 times of liquid sprayings of thiophanate methyl cuttage seeding of 50%, whenever sprays once at a distance from 10 days, and the timely removing cutting of catching an illness;
D. nutrient management: before the long root of cutting; It is every that sprayed mass fraction at a distance from 5 days be 0.1% urea; After treating that cutting sends out roots; Every at a distance from 10 days, the use mass fraction is that 0.1% urea liquid and mass fraction are that 0.1% potassium dihydrogen phosphate sprays once, closes afternoon to carry out fertilizer after the moisture spray and spray; After 80～90 days, when cutting base portion formation diameter is the root ball of 1.5-3cm, cuttage seeding is transplanted the paramount 12cm that is, diameter is in the pot for growing seedlings of 14cm.
Statistics: alpine rose
Rhododendron' Nova Zembla' began to form callus in 25 days after cuttage, begin to have new root to grow after 60 days, rooting rate reaches 85%, well developed root system, and to form diameter be the root ball of 1.5～3cm transplanting a cutting base portion, no damage by disease and insect.
Embodiment 2
Except that following difference was arranged, all the other steps were identical with embodiment 1, repeat no more:
(1) substrate composition: peat and perlitic volume ratio are 1 ︰ 4;
(2) cutting is selected: select the no damage by disease and insect of seedling age life in 5 years, the alpine rose kind of healthy growth
Rhododendron' Furnlvall daughter ' waters for maternal material as maternal material in the first day of clip cutting material, and the cutting top keeps 2 intact leafs, and transplanting a cutting has 3 nodes.
(3) processing of taking root before the cuttage: the base portion of will transplanting a cutting dips in natural air drying behind the root-growing agent A 20s.Used root-growing agent A prescription is the 1.0%IBA+4% thiophanate methyl.
(5) manage after the cuttage:
A. the mass water content of soil of matrix is 62～63%;
B. illumination and temperature treatment: the temperature on daytime is controlled at 25 ℃, and the temperature at night is controlled at 18 ℃, and the substrate temperature whole day remains on 22 ℃;
C. the extermination of disease and insect pest: adopting mass fraction is 1500 times of liquid sprayings of thiophanate methyl cuttage seeding of 50%, whenever sprays once at a distance from 15 days, and the startup spraying system sprays;
D. nutrient management: before the long root of cutting; It is every that sprayed mass fraction at a distance from 15 days be 0.5% urea, wait to transplant a cutting send out roots after, whenever at a distance from 15 days; Using mass fraction is that 0.5% urea and mass fraction are that 0.2% potassium dihydrogen phosphate sprays once, and the startup spraying system sprays.
Statistics: alpine rose Rhododendron ' Furnlvall daughter ' began to form callus in 20 days after cuttage; Begin to have new root to grow after 55 days, rooting rate reaches 86%, and well developed root system; Forming diameter at the cutting base portion is the root ball of 1.5～3cm, no damage by disease and insect.
Embodiment 3
Except that following difference was arranged, all the other steps were identical with embodiment 1, repeat no more:
(1) substrate composition: peat and perlitic volume ratio are 1 ︰ 4;
(2) cutting is selected:: select the no damage by disease and insect of seedling age life in 4 years, the alpine rose kind of healthy growth
Rhododendron' Furnlvall daughter ' waters for maternal material as maternal material in the first day of clip cutting material, and the cutting top keeps 2 intact leafs, and transplanting a cutting has 3 nodes.
(3) processing of taking root before the cuttage: the base portion of will transplanting a cutting dips in natural air drying behind the root-growing agent A 15s.Used root-growing agent A prescription is the 0.9%IBA+3% thiophanate methyl.
(5) manage after the cuttage:
A. the mass water content of soil of matrix is 60～61%; To transplanting, open the shed ventilation air humidity is reduced to 70～79%, after entering is refined and is the long root of cuttage seeding seedling stage after the 10th week beginning to take root with the growth of promotion root system.
B. illumination and temperature treatment: the temperature on daytime is controlled at 23 ℃, and the temperature at night is controlled at 15 ℃, and the substrate temperature whole day remains on 20 ℃;
C. the extermination of disease and insect pest: adopting mass fraction is 1300 times of liquid sprayings of thiophanate methyl cuttage seeding of 50%, whenever sprays once at a distance from 12 days;
D. nutrient management: transplanting a cutting before the long root, every sprayed mass fraction at a distance from 10 days be 0.3% urea, wait to transplant a cutting send out roots after, whenever at a distance from 12 days, the use mass fraction is that 0.3% urea and mass fraction are that 0.2% potassium dihydrogen phosphate sprays once.
Statistics: alpine rose Rhododendron ' Furnlvall daughter ' began to form callus in 22 days after cuttage; Begin to have new root to grow after 57 days, rooting rate reaches 87%, and well developed root system; Forming diameter at the cutting base portion is the root ball of 1.5～3cm, no damage by disease and insect.
Embodiment 4
Except that used root-growing agent and method for using difference, all the other steps are identical with embodiment 1, repeat no more.Used root-growing agent is root-growing agent B, and its prescription is: 0.015% IBA+1% thiophanate methyl; Thiophanate methyl among the said root-growing agent B is that existing usefulness is formulated in the 0.015% IBA solution at present, and will transplant a cutting with 15 is one to prick and to be immersed among this root-growing agent B natural air drying behind the 24h.
Statistics: alpine rose
Rhododendron' Nova Zembla' began to form callus in 25 days after cuttage, begin to have new root to grow after 60 days, rooting rate reaches 85%, well developed root system, and to form diameter be the root ball of 1.5～3cm transplanting a cutting base portion, no damage by disease and insect.
Embodiment 5
Except that used root-growing agent and method for using difference, all the other steps are identical with embodiment 2, repeat no more.Used root-growing agent is root-growing agent B, and its prescription is: 0.02% IBA+2% thiophanate methyl; Thiophanate methyl among the said root-growing agent B is that existing usefulness is formulated in the 0.02% IBA solution at present, and will transplant a cutting with 15 is one to prick and to be immersed among this root-growing agent B natural air drying behind the 30h.
Statistics: alpine rose kind
Rhododendron' Furnlvall daughter ' began to form callus in 25 days after cuttage, begin to have new root to grow after 54 days, and rooting rate reaches 89%, well developed root system, and to form diameter be the root ball of 1.5～3cm transplanting a cutting base portion, no damage by disease and insect.
Embodiment 6
Except that used root-growing agent and method for using difference, all the other steps are identical with embodiment 3, repeat no more.Used root-growing agent is root-growing agent B, and its prescription is: 0.018% IBA+1.5% thiophanate methyl; Thiophanate methyl among the said root-growing agent B is that existing usefulness is formulated in the 0.018% IBA solution at present, and will transplant a cutting with 15 is one to prick and to be immersed among this root-growing agent B natural air drying behind the 36h.
Statistics: alpine rose kind
Rhododendron' Furnlvall daughter ' began to form callus in 25 days after cuttage, begin to have new root to grow after 55 days, and rooting rate reaches 87%, well developed root system, and to form diameter be the root ball of 1.5～3cm transplanting a cutting base portion, no damage by disease and insect.
Embodiment 1-embodiment 6 shows:Of the present invention through selecting aggregate measures such as suitable matrix, suitable root-growing agent and processing mode and suitable fertilising, temp. and humidity for use; Solved the difficult problem that the alpine rose cuttage is difficult for taking root effectively; Rooting rate can reach more than 85%, is one of method of the efficient breeding of alpine rose.
Embodiment 7
Root-growing agent of the cottage propagation of suitable alpine rose provided by the present invention and preparation method thereof
The prescription of root-growing agent A: 0.8～1.0%IBA+2～4% thiophanate methyl.
The prescription of root-growing agent B: 0.015～0.02% IBA+1～2% thiophanate methyl.
The preparation method of described root-growing agent A and root-growing agent B is following: using earlier a spot of mass fraction is the highly concentrated solution that 95% alcohol is dissolved into IBA 10000～15000ppm; Add pure water again and be diluted to this described concentration of filling a prescription; When handling cutting, again thiophanate methyl is dissolved in this IBA solution by the described concentration of prescription.Percentage described in root-growing agent A and the root-growing agent B is mass fraction.
Claims (10)
1. the cuttage breeding method of alpine rose may further comprise the steps:
(1) prepare in the seedbed: on the seedbed, build shed; Plastic covering film on shed, laying depth is the cutting medium of 12～15cm on the seedbed, below cutting medium, lays the ground hot line; Cutting medium is peat and perlitic mixture; Peat and perlitic volume ratio are 1:3～1:4, the matrix on the seedbed are watered after smooth permeable, and the liquor natrii hypochloritis who uses 1000ppm again is to ground sterilization in seedbed and the shed;
(2) transplant a cutting to select: the alpine rose plant of no damage by disease and insect of gathering life in 3～5 years is as the maternal material of cutting; 9～October; The semi-lignified branch that clip is given birth to then from this female parent material is for transplanting a cutting material; With transplant a cutting material cut be the stem section of 7～8cm for transplanting a cutting, the node more than 2 is arranged in the described cutting, the top keeps 2～3 intact leafs;
(3) processing of taking root before the cuttage: the base portion of will transplanting a cutting dips in natural air drying behind root-growing agent A 10s～20s, and the base portion of maybe will transplanting a cutting is immersed among the root-growing agent B natural air drying behind 24h～36h; The prescription of described root-growing agent A is 0.8～1.0%IBA+2～4% thiophanate methyl, and the prescription of described root-growing agent B is 0.015～0.02% IBA+1～2% thiophanate methyl; Thiophanate methyl among root-growing agent A and the root-growing agent B is that existing usefulness is joined at present; Described percentage is mass fraction;
(4) cuttage: 5～6cm in the described matrix of cutting inserting step (1) that will handle with root-growing agent makes to distance and transplants a cutting the 1st blade of base portion from stromal surface 2cm ± 0.3cm;
(5) manage after the cuttage:
A. water supply in media and ambient humidity management: after cuttage, immediately matrix spraying is watered permeable; And adopt the intermittent spraying mode to carry out follow-up water management; The mass water content of soil of matrix is 60～65%, to the long root of cuttage seeding, keeps air humidity more than 80% from the beginning cuttage;
B. illumination and temperature treatment: adopt the natural daylight full exposure to handle after the cuttage, the temperature on daytime is controlled at 18～25 ℃, and the temperature at night is controlled at 12～18 ℃, and the substrate temperature whole day remains on 18～22 ℃;
C. the extermination of disease and insect pest: after the cuttage, adopting mass fraction is 1000～1500 times of liquid sprayings of 50% thiophanate methyl cuttage seeding, whenever sprayed once at a distance from 10～15 days, and the timely removing cutting of catching an illness;
D. nutrient management: transplanting a cutting before the long root, every urea that sprayed one time 0.1～0.5% at a distance from 5～15 days, treat that cutting sends out roots after, whenever spray once at a distance from 10～15 days potassium dihydrogen phosphates with 0.1～0.5% urea and 0.1～0.2%; When cuttage seeding formation diameter is the root ball of 1.5～3cm, transplant to the seedling alms bowl; Described percentage is mass fraction.
2. the cuttage breeding method of alpine rose according to claim 1 is characterized in that: the described semi-lignified branch that clip is given birth to then from this female parent material of step (2) for transplant a cutting material be from this female parent material clip give birth to then diameter at the semi-lignified branch of 0.5～0.8cm for transplanting a cutting material.
3. the cuttage breeding method of alpine rose according to claim 1 and 2 is characterized in that: be cut into flat mouthful in the lower end of the described cutting of step (2).
4. according to the cuttage breeding method of claim 1 or 2 or 3 described alpine roses, comprise that also the auto spraying system is installed to carry out after step (5) cuttage management A. water supply in media and ambient humidity and manage described spraying and water permeable and the intermittent spraying mode is carried out follow-up water management.
5. the cuttage breeding method of alpine rose according to claim 4 is characterized in that: after step (5) cuttage, manage in the C. extermination of disease and insect pest and the D. nutrient management process spraying thiophanate methyl, urea and dihydrogen phosphate solution with the auto spraying system.
6. the cuttage breeding method of alpine rose according to claim 4; It is characterized in that: it is that fine day, half cloudy half fine, overcast and rainy 3 kinds of patterns are set that the intermittent spraying mode of described auto spraying system is carried out follow-up water management, keeps in the shed air humidity more than 80%; The 1st～4 all taking root early stage after cuttage, the 9:00 of auto spraying system opens, and 18:00 closes, fine spray intervals 10 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 15 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying; During the taking root of the 5th～10 week, the 9:00 of auto spraying system opens, and 18:00 closes, fine spray intervals 12 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 20 minutes, 30 seconds duration of spraying; Overcast and rainy spray intervals 60 minutes, 30 seconds duration of spraying; Before the 11st thoughtful transplanting, spraying system 10:00 opens, and 17:00 closes, fine spray intervals 60 minutes, 30 seconds duration of spraying; Half cloudy half fine spray intervals 180 minutes, 30 seconds duration of spraying; Overcast and rainyly do not spray, keeping the mass water content of soil of matrix is 60～65%.
7. the root-growing agent A of an alpine rose cottage propagation, it is characterized in that: 0.8～1.0%IBA+2～4% thiophanate methyl by in mass fraction is formed.
8. the root-growing agent B of an alpine rose cottage propagation is characterized in that: by 0.015～0.02% IBA+1～2% thiophanate methyl in mass fraction.
9. the method for using of the root-growing agent A of the described alpine rose cottage propagation of claim 7, it is characterized in that: the thiophanate methyl during use among the root-growing agent A is at present with join at present; Alpine rose is transplanted a cutting base portion dip in root-growing agent A 10s～20s, insert matrix behind the natural air drying again.
10. the method for using of the root-growing agent B of the described alpine rose cottage propagation of claim 8, it is characterized in that: the thiophanate methyl during use among the root-growing agent B is at present with join at present; Alpine rose is transplanted a cutting base portion be immersed in 24h～36h among the root-growing agent B, insert matrix behind the natural air drying again.
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| CN103283447A (en) * | 2013-05-21 | 2013-09-11 | 江苏圣宏农业科技有限公司 | Full-light-break mist cutting and seedling culturing method for greenhouses |
| CN103621293A (en) * | 2013-11-29 | 2014-03-12 | 杭州赛石园林集团有限公司 | Container transplantation and domestication method for super-big wild rhododendrons |
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