CN104904545B - A kind of velvet crape myrtle high density epicormic branch cutting method - Google Patents
A kind of velvet crape myrtle high density epicormic branch cutting method Download PDFInfo
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- CN104904545B CN104904545B CN201510300907.4A CN201510300907A CN104904545B CN 104904545 B CN104904545 B CN 104904545B CN 201510300907 A CN201510300907 A CN 201510300907A CN 104904545 B CN104904545 B CN 104904545B
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- 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
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Abstract
The invention provides a kind of velvet crape myrtle high density epicormic branch cutting method, comprise the following steps：(1) cutting medium selection；(2) cuttings is selected；(3) cuttage；(4) managed after cuttage；(5) hardening, transplanting.Relative to prior art, crape myrtle epicormic branch cutting method of the present invention, not only condition with prior art is easy, and operation is easy, the low advantage of reproductive-cost, but also it is long to dramatically increase the average root of cuttage crape myrtle, greatly improves transplanting shoot survival percent.
Description
Technical field
The present invention relates to a kind of velvet crape myrtle high density epicormic branch cutting method, belong to trees asexual reproduction method neck
Domain.
Background technology
Velvet crape myrtle (Lagerstroemia indica ' Pink Velour ') is the upright dungarunga of fallen leaves, 8- high
10m, hat width 10-12m, are the Lythraceae Lagerstroemia crape myrtle new varieties that China is introduced from the U.S., are showed after China's introducing and planting
Go out tree-shaped orthostatic strong (side shoot grows up in oblique 45 degree), leaf color uniqueness (young leaves is light red, and old leaf is blackish green), pattern noble
(flower rose), florescence overlength (south was up to 150-180 days), flower amount especially big (panicle is most long up to 50cm), Hua You
Fragrance (flower delicate fragrance is simple and elegant), growth are very fast (root system hypertrophy, annual ground diameter can grow 1.5-2.1cm in Jiangsu) and extremely resistance to low
The advantages of temperature (being resistant to -20 DEG C of low temperature).Velvet crape myrtle Ji Guan flowers, sight leaf, in one, are the best-selling crape myrtle kinds in the U.S., are drawn
Isolated planting or group planting in afforestation, stub or potted landscape can be also made extensively after entering China, be to afforest and beautify environment and family
The excellent ornamental plant grown flower, market demand is very big.
Vegetative propagation can keep the asexual reproduction method of the merit of elite stand, U.S. velvet crape myrtle to train in a organized way
Foster, grafting and cuttage etc..Wherein tissue culture technique requirement is high, and complex operation, production cost is expensive；Propagation by grafiting labor inputs
Greatly, the stock of more than 2 years is also cultivated, and cutting propagation implementation condition is easy, operation is easy, and reproductive-cost is relatively low.
At present, crape myrtle cuttage raise seedling technique of the prior art, easy with condition, operation is easy, and reproductive-cost is low
Advantage, but there is also some problems, such as the problems such as average root length and undesirable survival rate.
The content of the invention
Goal of the invention：It is highly dense the invention provides a kind of velvet crape myrtle in order to overcome the deficiencies in the prior art
Degree epicormic branch cutting method.
Technical scheme：To achieve the above object, the invention provides a kind of velvet crape myrtle high density epicormic branch cutting
Method, comprises the following steps：
(1) cutting medium selection：From the Jiang Sha after treatment as cutting medium, seedbed laying river sand thickness is 25cm；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttage after being processed through root-growing agent；
(3) cuttage：Cutting density is 620-700 plants/m2, cuttage depth is 2/3rds of branch total length；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 20-35 DEG C, humid control carries out the prevention and control of plant diseases, pest control in 70-85%；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, 3 in nutritive cube after 40 days
Nutrition pot seedling is transplanted to crop field after month.
Preferably, Jiang Shawei thin Jiang Sha, a diameter of 0.35-0.25mm in the step (1), using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder.
As another kind preferably, cuttings selects 2-3 buds, cutting length 6-8cm, cutting section 3-5mm in the step (2)
Between healthy and strong branch, base portion is whittled into smooth inclined-plane.
Preferably, root-growing agent is methyl α-naphthyl acetate (NAA) solution of 1000-2000mg/L in the step (2).
As another preferred, in the step (3), 600 times of liquid of carbendazim are sprayed after cuttage.
As it is another preferably, in the step (4) sunshade net in the sunshade rate in June more than 75%, July sunshade
Rate reaches 80-85%.
As another kind preferably, the seedling medium of nutritive cube is the yellow soil+1/3 of 1/3 peat soil+1/3 in the step (5)
Vermiculite, uses after the carbendazol that 800 times are sprayed while stirring.
The prevention and control of plant diseases, pest control described in the inventive method step (4), is to use carbendazim 800 times of liquid, Bravos every 6-8 days
Or 600 times of liquid of thiophanate methyl carry out foliage spray prevention and elimination of disease and pests.
Hardening described in the inventive method step (5), during using 0.03% urea and potassium dihydrogen phosphate mixed liquor
Sprayed once per 5-7 days, to strengthen rich water quality management；Sprayed once per 5-7 days with 600 times of Baijunlings or Bravo, to carry out
Disease control.
The present invention is directed to the characteristic of velvet crape myrtle, with ventilation and the good Jiang Sha of water permeability, greenhouse facility and nursery
Matrix carries out epicormic branch cutting, by the use of specific root-growing agent, with reference to specific cutting density and depth, can significantly increase
Plus average root is long, survival rate is greatly improved, effectively can in high volume breed high-quality velvet crape myrtle.The inventive method operation letter
Easy row, it is simple with low cost, technical requirements, the advantages of easy popularization and application.
Beneficial effect：Relative to prior art, crape myrtle epicormic branch cutting method of the present invention, not only with prior art
Condition is easy, and operation is easy, the low advantage of reproductive-cost, but also it is long to dramatically increase the average root of cuttage crape myrtle, significantly
Improve and transplant shoot survival percent.
Specific embodiment
The present invention is further described with reference to embodiment.
Embodiment 1
(1) cutting medium selection：From thin Jiang Sha as cutting medium, a diameter of 0.35-0.25mm, using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder, it is 25cm that thin river sand thickness is laid in seedbed；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttings selects 2 buds, and the healthy and strong branch of cutting length 6cm, cutting section 3mm, base portion is whittled into smooth inclined-plane, with 1000mg/L's
Naphthalene acid solution (NAA) speed is stained with rear cuttage；
(3) cuttage：Cutting density is 620 plants/m2, cuttage depth is 2/3rds of branch total length, is sprayed after cuttage
600 times of liquid of carbendazim；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 20 DEG C, humid control 70%, sunshade net June sunshade rate more than 75%, July sunshade rate reaches
To 80%, and it is to carry out foliage spray prevention and elimination of disease and pests using 800 times of liquid of carbendazim, 600 times of liquid of Bravo every 6 days；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, nutrition in nutritive cube after 40 days
The seedling medium of alms bowl is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3, is used after the carbendazol that 800 times are sprayed while stirring, is refined
Urea and potassium dihydrogen phosphate mixed liquor during seedling using 0.03% spray once for every 5 days, to strengthen rich water quality management；With 600
Baijunling again sprays once for every 5 days, to carry out disease control.Nutrition pot seedling is transplanted to crop field after 3 months.
Embodiment 2
(1) cutting medium selection：From thin Jiang Sha as cutting medium, a diameter of 0.35-0.25mm, using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder, it is 25cm that thin river sand thickness is laid in seedbed；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttings selects 3 buds, and the healthy and strong branch of cutting length 8cm, cutting section 5mm, base portion is whittled into smooth inclined-plane, with 2000mg/L's
Naphthalene acid solution (NAA) speed is stained with rear cuttage；
(3) cuttage：Cutting density is 700 plants/m2, cuttage depth is 2/3rds of branch total length, is sprayed after cuttage
600 times of liquid of carbendazim.；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 35 DEG C, humid control 85%, sunshade net June sunshade rate more than 75%, July sunshade rate reaches
To 85%, and it is to carry out foliage spray prevention and elimination of disease and pests using 800 times of liquid of carbendazim, 600 times of liquid of thiophanate methyl every 8 days；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, nutrition in nutritive cube after 40 days
The seedling medium of alms bowl is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3, is used after the carbendazol that 800 times are sprayed while stirring, is refined
Urea and potassium dihydrogen phosphate mixed liquor during seedling using 0.03% spray once for every 7 days, to strengthen rich water quality management；With 600
Bravo again sprays once for every 7 days, to carry out disease control.Nutrition pot seedling is transplanted to crop field after 3 months.
Embodiment 3
(1) cutting medium selection：From thin Jiang Sha as cutting medium, a diameter of 0.35-0.25mm, using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder, it is 25cm that thin river sand thickness is laid in seedbed；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttings selects 2 buds, and the healthy and strong branch of cutting length 7cm, cutting section 4mm, base portion is whittled into smooth inclined-plane, with 1500mg/L's
Naphthalene acid solution (NAA) speed is stained with rear cuttage；
(3) cuttage：Cutting density is 660 plants/m2, cuttage depth is 2/3rds of branch total length, is sprayed after cuttage
600 times of liquid of carbendazim.；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 27 DEG C, humid control 78%, sunshade net June sunshade rate more than 75%, July sunshade rate reaches
To 82%, and it is to carry out foliage spray prevention and elimination of disease and pests using 800 times of liquid of carbendazim, 600 times of liquid of Bravo every 7 days；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, nutrition in nutritive cube after 40 days
The seedling medium of alms bowl is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3, is used after the carbendazol that 800 times are sprayed while stirring, is refined
Urea and potassium dihydrogen phosphate mixed liquor during seedling using 0.03% spray once for every 6 days, to strengthen rich water quality management；With 600
Bravo again sprays once for every 6 days, to carry out disease control.Nutrition pot seedling is transplanted to crop field after 3 months.
Embodiment 4
(1) cutting medium selection：From thin Jiang Sha as cutting medium, a diameter of 0.35-0.25mm, using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder, it is 25cm that thin river sand thickness is laid in seedbed；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttings selects 3 buds, cutting length 7cm, the healthy and strong branch between cutting section 4mm, base portion to be whittled into smooth inclined-plane, uses
Naphthalene acid solution (NAA) speed of 1200mg/L is stained with rear cuttage；
(3) cuttage：Cutting density is 640 plants/m2, cuttage depth is 2/3rds of branch total length, is sprayed after cuttage
600 times of liquid of carbendazim.；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 25 DEG C, humid control 75%, sunshade net June sunshade rate more than 75%, July sunshade rate reaches
To 81%, and it is to carry out foliage spray prevention and elimination of disease and pests using 800 times of liquid of carbendazim, 600 times of liquid of Bravo every 7 days；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, nutrition in nutritive cube after 40 days
The seedling medium of alms bowl is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3, is used after the carbendazol that 800 times are sprayed while stirring, is refined
Urea and potassium dihydrogen phosphate mixed liquor during seedling using 0.03% spray once for every 6 days, to strengthen rich water quality management；With 600
Bravo again sprays once for every 6 days, to carry out disease control.Nutrition pot seedling is transplanted to crop field after 3 months.
Embodiment 5
(1) cutting medium selection：From thin Jiang Sha as cutting medium, a diameter of 0.35-0.25mm, using 58% first frost
Used after 1000 times of solution disinfections of spirit-mancozeb wettable powder, it is 25cm that thin river sand thickness is laid in seedbed；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings,
Cuttings selects 2 buds, cutting length 7cm, the healthy and strong branch between cutting section 7mm, base portion to be whittled into smooth inclined-plane, uses
Naphthalene acid solution (NAA) speed of 1800mg/L is stained with rear cuttage；
(3) cuttage：Cutting density is 680 plants/m2, cuttage depth is 2/3rds of branch total length, is sprayed after cuttage
600 times of liquid of carbendazim.；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information by the folding and unfolding and water spray moisturizing of sunshade net
Make temperature control at 30 DEG C, humid control 80%, sunshade net June sunshade rate more than 75%, July sunshade rate reaches
To 84%, and it is to carry out foliage spray prevention and elimination of disease and pests using 800 times of liquid of carbendazim, 600 times of liquid of Bravo every 7 days；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, and rooted seedling is transplanted into hardening, nutrition in nutritive cube after 40 days
The seedling medium of alms bowl is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3, is used after the carbendazol that 800 times are sprayed while stirring, is refined
Urea and potassium dihydrogen phosphate mixed liquor during seedling using 0.03% spray once for every 6 days, to strengthen rich water quality management；With 600
Baijunling again sprays once for every 6 days, to carry out disease control.Nutrition pot seedling is transplanted to crop field after 3 months.
Experimental example cuttage and seedling culture method root of the present invention is long and survival rate is investigated
From with a batch of velvet crape myrtle cuttings, stochastic averagina is divided into 5 groups, respectively compare 1 group, control 2 groups with
And 3 groups of embodiment, 4 groups of embodiment, 5 groups of embodiment.
1 group is compareed according to the method for the embodiment of the present invention 3, the difference is that cutting density is 750 plants/m2, cuttage depth is branch
Bar total length 1/2nd carries out cuttage and seedling culture；
2 groups are compareed according to the method for the embodiment of the present invention 3, step (2) uses the heteroauxin solution of 1500mg/L after terminating
Speed be stained with after cuttage again, then carry out cuttage and seedling culture；
5 groups of 3 groups of embodiment, 4 groups of embodiment and embodiment carry out cuttage according to the embodiment of the present invention 3,4 and 5 methods respectively
Nursery.
The management method of each group and external environment all same after transplanting, investigate each group average root is long and survival rate, as a result
See the table below 1
Average root is long and survival rate investigates result after the transplanting of each group cuttage and seedling culture method of table 1
Can be obtained by the result of upper table 1, compared with 1 group of control, i.e., from different cutting densities and the cuttage and seedling culture method phase of depth
Than, by the embodiment of the present invention 3, embodiment 4 and the method for culturing seedlings of embodiment 5 transplanting after, the average root of velvet crape myrtle it is long and into
Motility rate is significantly increased.
Additionally, compared with 2 groups of control, i.e., compared with the method for culturing seedlings processed by heteroauxin root-growing agent, the present invention is real
Apply example 3, embodiment 4 and the method for culturing seedlings of embodiment 5, the velvet crape myrtle after transplanting, average root is long and survival rate is also significantly carried
It is high.
Claims (5)
1. a kind of velvet crape myrtle high density epicormic branch cutting method, it is characterised in that comprise the following steps：
(1) cutting medium selection：From the Jiang Sha after treatment as cutting medium, seedbed laying river sand thickness is 25cm；It is described
Jiang Shawei thin Jiang Sha, a diameter of 0.35-0.25mm, after 58% metalaxyl-mancozeb wettable powder, 1000 times of solution disinfections
Use；
(2) cuttings is selected：In 6 months, the last ten-days period from raw healthy and strong then the semi-lignified branch of no disease and pests harm as cuttings, through life
Cuttage after root agent treatment；The root-growing agent is the naphthalene acid solution of 1000-2000mg/L；
(3) cuttage：Cutting density is 620-700 plants/m2, cuttage depth is 2/3rds of branch total length；
(4) managed after cuttage：Sunshade net is covered after cuttage on greenhouse, is divulged information and is made temperature by the folding and unfolding and water spray moisturizing of sunshade net
At 20-35 DEG C, humid control carries out the prevention and control of plant diseases, pest control in 70-85% for degree control；
(5) hardening, transplanting：Cuttage starts to take root after 20 days, rooted seedling is transplanted into hardening in nutritive cube after 40 days, after 3 months
Nutrition pot seedling is transplanted to crop field.
2. velvet crape myrtle high density epicormic branch cutting method according to claim 1, it is characterised in that the step
(2) cuttings selects 2-3 buds in, cutting length 6-8cm, and the healthy and strong branch between cutting section 3-5mm, base portion is whittled into smooth oblique
Face.
3. velvet crape myrtle high density epicormic branch cutting method according to claim 1, it is characterised in that the step
(3) in, 600 times of liquid of carbendazim are sprayed after cuttage.
4. velvet crape myrtle high density epicormic branch cutting method according to claim 1, it is characterised in that the step
(4) in the sunshade rate in June more than 75%, July sunshade rate reaches 80-85% to sunshade net in.
5. velvet crape myrtle high density epicormic branch cutting method according to claim 1, it is characterised in that the step
(5) seedling medium of nutritive cube is the vermiculite of+1/3 yellow soil of 1/3 peat soil+1/3 in, and 800 times of carbendazol is sprayed while stirring
After use.
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| CN105325272A (en) * | 2015-10-25 | 2016-02-17 | 湖北京穗农林科技发展有限公司 | Lagerstroemia indica cutting breeding method |
| CN107047195A (en) * | 2017-04-26 | 2017-08-18 | 江苏农林职业技术学院 | A kind of shellfish widens rose camellia epicormic branch cutting method |
| CN107896777B (en) * | 2017-11-16 | 2020-10-27 | 黄财权 | Method for planting crape myrtle seedlings in cold storage and high-temperature seasons |
| CN107821137A (en) * | 2017-12-11 | 2018-03-23 | 成都农业科技职业学院 | A kind of crape myrtle root system cuttage and seedling culture propagation method |
| CN110140535A (en) * | 2019-02-01 | 2019-08-20 | 海南省农业科学院热带园艺研究所 | A kind of mao of calyx crape myrtle seedling rapid propagation method |
| CN111567242B (en) * | 2020-05-22 | 2022-03-18 | 安庆师范大学 | High-density twig cutting seedling method for crape myrtle velvet |
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| CN102726190A (en) * | 2012-06-29 | 2012-10-17 | 句容市仑山花木场 | Cuttage seedling culture method for red lagerstroemia speciosa |
| CN103348862B (en) * | 2013-07-19 | 2016-01-20 | 江苏农林职业技术学院 | The emerald green common vetch cuttage and seedling culture method of a kind of straight branch |
| CN104115661B (en) * | 2014-07-21 | 2016-04-20 | 江苏绿苑园林建设有限公司 | A kind of American Red rocket crape myrtle branch cuttage breeding method |
| CN104206135B (en) * | 2014-08-06 | 2016-05-18 | 金寨县万紫千红农业科技开发有限公司 | A kind of efficient cottage method that can improve crape myrtle survival rate |
| CN104429468B (en) * | 2014-11-07 | 2017-10-27 | 襄阳景源花木有限责任公司 | A kind of crape myrtle nursery stock cottage breeding method |
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