CN103229651A - Twig cutting propagation method of betula luminifera - Google Patents
Twig cutting propagation method of betula luminifera Download PDFInfo
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- CN103229651A CN103229651A CN2013101619461A CN201310161946A CN103229651A CN 103229651 A CN103229651 A CN 103229651A CN 2013101619461 A CN2013101619461 A CN 2013101619461A CN 201310161946 A CN201310161946 A CN 201310161946A CN 103229651 A CN103229651 A CN 103229651A
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Abstract
The invention belongs to the vegetative propagation technical field and provides a twig cutting propagation method of betula luminifera. The twig cutting propagation method comprises the following steps of (1) performing trunk cutting and sprout promoting cultivation on a scion-seed tree from the middle of March to the middle of September; (2) scissoring a half lignification twig with the length of 10 to 15 cm from the scion-seed tree from early April to late October and enabling 3 to 5 pieces of leaflet to be reserved on the upper portion and the lower end to be sheared to form into an oblique opening; (3) dipping indole butyric acid paste rooting agents at positions from 2 to 3 cm of the lower ends of cuttings; (4) inserting the cuttings into nutritional substrates with an inserting depth of 4 to 5 cm; and (5) utilizing a black sun-shade net with a 70% shading degree to performing shading on the cuttings after cutting and employing an intermittent spraying method to perform spraying and moisturizing. After 40 days of the cutting, the rooting rate of the cuttings is above 85%. The twig cutting propagation method of the betula luminifera has the advantages of being simple and practical to operate and suitable for rapid propagation of good clone seedlings.
Description
Technical field
The present invention relates to a kind of smoothbark birch softwood cutting propagation method, belong to the plant asexual multiplication technology field.
Background technology
Smoothbark birch is that China's good native soil of south Betulaceae speed is given birth to commerical tree species, and adaptability is strong, and purposes is wide.Early stage speed is given birth to, and is fit to cultivate big or middle footpath level specification timber, and existing germ plasm resource sporadicly is distributed in natural forest and some nature reserves, and the breeding resource extremely lacks.Produce at present to go up and mainly adopt traditional seeding growing seedlings method to cultivate the afforestation nursery stock, phenotype differs seedling because the diversity of genetic material is grown after afforestation, is difficult to reach the target of colony's high yield and high quality.Adopt smoothbark birch softwood cutting propagation technology can breed the good clone nursery stock of gene fast, thereby can reach the purpose of colony's high yield and high quality after the afforestation.
Summary of the invention
Goal of the invention: the present invention utilizes the vegetative propagation technique of plant cuttage, and clip smoothbark birch epicormic branch cuttage carries out asexual propagation, cultivates the choiceness nursery stock of neat high yield for the production of afforestation, can significantly improve the timber yield of unit are.
Technical scheme: for solving the problems of the technologies described above, technical scheme of the present invention is as follows:
1, smoothbark birch softwood cutting propagation method comprises the steps:
(1) in mid-March～mid-September, the healthy and strong nursery stock of choosing 6～12 months seedling ages from the nursery stock of growing directly from seeds cuts and does short cultivation of sprouting, and cuts that to do highly be 20～25cm, adopts the fringe elite stand as what spray was provided;
(2) adopting the fringe time is early April～late October, and from adopting the long semi-lignified spray of clip 10～15cm on the fringe elite stand, top keeps 3～5 leaflets, and with the branch lower end cut into the angle shape as plugged ear;
(3) plugged ear lower end 2～3cm dips in and gets indolebutyric acid pasty state root-growing agent;
(4) use the small wooden thicker slightly than plugged ear diameter to interleave an aperture earlier in grow seedling nutritional cup matrix during cuttage, then plugged ear is inserted in the nutrient matrix, insertion depth is 4～5cm, then with the matrix compacting around the plugged ear.And water immediately 1 time permeable, plugged ear and matrix are combined closely;
(5) be that 70% black sunshade net shades to the branch obscurity after the cuttage, and adopt intermittent spray-on process that plugged ear is carried out spraying and moisturizing, 8 of every mornings add a cover the sunshade net, open the sunshade net after at 18 in afternoon and absorb dew in order to plugged ear.In first week after the cuttage, the spray intervals time is 8～10 minutes daytimes, and in 15～20 minutes evenings, spray time is 15～20 seconds.After one week of cuttage, the spray intervals time is adjusted into 15 minutes daytimes, and in 20 minutes evenings, spray time is 20～25 seconds.After the cuttage 20 days, the spray intervals time is adjusted into 30 minutes daytimes, and spray time is 1～2 minute, evening stop-spraying.After the cuttage every 1 800～1000 times of 50%wt carbendazim solution of 7～10 days foliage-sprays, cuttage after 20 days every 10～12 days pourings 0.2%wt urea and 0.2%wt potassium dihydrogen phosphates.
The concentration of the indolebutyric acid pastel in the step (3) is 600～800mg/L, compound method is: take by weighing the indolebutyric acid powder and be mixed with 600～800mg/L indolebutyric acid solution with a small amount of alcohol dissolving back constant volume, add talcum powder furnishing pasty state then, viscosity with the plugged ear lower end sticking get not drip behind this pastel get final product.
Nutrient matrix composition in the step (4) is pine bark: after wooden chaff=abundant carbonization of mixture in 4: 1, being made into diameter with nonwoven nutritious bag liquid filling machine is 5～6cm, it highly is the nutrition cup of 10cm, put in the frame of plastic of long 50cm * wide 50cm * dark 10cm, irrigate sterilization with the 0.5%wt liquor potassic permanganate, get final product cuttage after 24 hours.
Beneficial effect: smoothbark birch softwood cutting propagation method provided by the invention, its practicality simple to operate, be applicable to extensive cuttage, and seedling raise period is short, after the cuttage 40 days, seedling percent is up to more than 85%, and seedling can effectively keep the good genetic character of elite stand, guaranteed that new plant is with the unanimity of elite stand fine quality.
Embodiment
Be described further below in conjunction with the present invention of embodiment.
Embodiment 1:
(1) 2012 in mid-March, and the healthy and strong nursery stock of choosing 8 months seedling ages from the nursery stock of growing directly from seeds cuts and does short cultivation of sprouting, and cuts that to do highly be 20～25cm, adopts the fringe elite stand as what spray was provided;
(2) in late April, from adopting the long semi-lignified spray of clip 10～15cm on the fringe elite stand, top keeps 3～5 leaflets, and with the branch lower end cut into the angle shape as plugged ear;
(3) plugged ear lower end 2～3cm is dipped in get indolebutyric acid pasty state root-growing agent.Described root-growing agent is mixed with 800mg/L indolebutyric acid solution for taking by weighing the indolebutyric acid powder with a small amount of alcohol dissolving back constant volume, adds talcum powder furnishing pasty state then;
(4) cutting medium is pine bark and the wooden chaff mixture of abundant carbonization, mixed proportion is 4: 1, it is 5～6cm that mixture is made into diameter with nonwoven nutritious bag liquid filling machine, it highly is the nutrition cup of 10cm, put in the frame of plastic of long 50cm * wide 50cm * dark 10cm, irrigate sterilization with the 0.5%wt liquor potassic permanganate, get final product cuttage after 24 hours.Use the small wooden thicker slightly than plugged ear diameter in grow seedling nutritional cup matrix, to interleave an aperture during cuttage earlier, then plugged ear is inserted in the nutrient matrix, insertion depth is 4～5cm, then with the matrix compacting around the plugged ear, and water immediately 1 time permeable, plugged ear and matrix are combined closely;
(5) be that 70% black sunshade net shades to the branch obscurity after the cuttage, and adopt intermittent spray-on process that plugged ear is carried out spraying and moisturizing, 8 of every mornings add a cover the sunshade net, open the sunshade net after at 18 in afternoon and absorb dew in order to plugged ear.In first week after the cuttage, the spray intervals time is 8～10 minutes daytimes, and in 15～20 minutes evenings, spray time is 15～20 seconds.After one week of cuttage, the spray intervals time is adjusted into 15 minutes daytimes, and in 20 minutes evenings, spray time is 20～25 seconds.After the cuttage 20 days, the spray intervals time is adjusted into 30 minutes daytimes, and spray time is 1～2 minute, evening stop-spraying.After the cuttage every 1 800～1000 times of 50%wt carbendazim solution of 7～10 days foliage-sprays, cuttage after 20 days every 10～12 days pourings 0.2%wt urea and 0.2%wt potassium dihydrogen phosphates.
After 40 days, skewer fringe rooting rate is 85% with this method cuttage.
Embodiment 2:
(1) 2012 in mid-September, and the healthy and strong nursery stock of choosing 8 months seedling ages from the nursery stock of growing directly from seeds cuts and does short cultivation of sprouting, and cuts that to do highly be 20～25cm, adopts the fringe elite stand as what spray was provided;
(2) in late October, from adopting the long semi-lignified spray of clip 10～15cm on the fringe elite stand, top keeps 3～5 leaflets, and with the branch lower end cut into the angle shape as plugged ear;
(3) plugged ear lower end 2～3cm is dipped in get indolebutyric acid pasty state root-growing agent.Described root-growing agent is mixed with 800mg/L indolebutyric acid solution for taking by weighing the indolebutyric acid powder with a small amount of alcohol dissolving back constant volume, adds talcum powder furnishing pasty state then;
(4) cutting medium is pine bark and the wooden chaff mixture of abundant carbonization, mixed proportion is 4: 1, it is 5～6cm that mixture is made into diameter with nonwoven nutritious bag liquid filling machine, it highly is the nutrition cup of 10cm, put in the frame of plastic of long 50cm * wide 50cm * dark 10cm, irrigate sterilization with the 0.5%wt liquor potassic permanganate, get final product cuttage after 24 hours.Use the small wooden thicker slightly than plugged ear diameter in grow seedling nutritional cup matrix, to interleave an aperture during cuttage earlier, then plugged ear is inserted in the nutrient matrix, insertion depth is 4～5cm, then with the matrix compacting around the plugged ear, and water immediately 1 time permeable, plugged ear and matrix are combined closely;
(5) be that 70% black sunshade net shades to the branch obscurity after the cuttage, and adopt intermittent spray-on process that plugged ear is carried out spraying and moisturizing, 8 of every mornings add a cover the sunshade net, open the sunshade net after at 18 in afternoon and absorb dew in order to plugged ear.In first week after the cuttage, the spray intervals time is 8～10 minutes daytimes, and in 15～20 minutes evenings, spray time is 15～20 seconds.After one week of cuttage, the spray intervals time is adjusted into 15 minutes daytimes, and in 20 minutes evenings, spray time is 20～25 seconds.After the cuttage 20 days, the spray intervals time is adjusted into 30 minutes daytimes, and spray time is 1～2 minute, evening stop-spraying.After the cuttage every 1 800～1000 times of 50%wt carbendazim solution of 7～10 days foliage-sprays, cuttage after 20 days every 10～12 days pourings 0.2%wt urea and 0.2%wt potassium dihydrogen phosphates.
After 40 days, skewer fringe rooting rate is 87% with this method cuttage.
Claims (1)
1. smoothbark birch softwood cutting propagation method comprises the steps:
(1) in mid-March～mid-September, the healthy and strong nursery stock of choosing 6～12 months seedling ages from the smoothbark birch seedling cuts and does short cultivation of sprouting, and cuts that to do highly be 20～25cm, adopts the fringe elite stand as what spray was provided;
(2) adopting the fringe time is early April～late October, and from adopting the long semi-lignified spray of clip 10～15cm on the fringe elite stand, top keeps 3～5 leaflets, and with the branch lower end cut into the angle shape as plugged ear;
(3) plugged ear lower end 2～3cm dips in and gets indolebutyric acid pasty state root-growing agent; Described root-growing agent for take by weighing the indolebutyric acid powder with the dissolving of a small amount of alcohol after, be mixed with 600～800mg/L solution with the distilled water constant volume, add talcum powder furnishing pasty state again;
(4) use the small wooden thicker slightly than plugged ear diameter in grow seedling nutritional cup matrix, to interleave an aperture earlier during cuttage, then plugged ear is inserted in the nutrient matrix, insertion depth is 4～5cm, then with the matrix compacting around the plugged ear, and water immediately 1 time permeable, plugged ear and matrix are combined closely; Described nutrient matrix is pine bark and the wooden chaff of abundant carbonization, and its ratio is 4: 1, and being made into diameter with nonwoven nutritious bag liquid filling machine is 5～6cm, highly is the nutrition cup of 10cm;
(5) be that 70% black sunshade net shades to the branch obscurity after the cuttage, and adopt intermittent spray-on process that plugged ear is carried out spraying and moisturizing, 8 of every mornings add a cover the sunshade net, open the sunshade net after at 18 in afternoon and absorb dew in order to plugged ear.In first week after the cuttage, the spray intervals time is 8～10 minutes daytimes, and in 15～20 minutes evenings, spray time is 15～20 seconds; After one week of cuttage, the spray intervals time is adjusted into 15 minutes daytimes, and in 20 minutes evenings, spray time is 20～25 seconds; After the cuttage 20 days, the spray intervals time is adjusted into 30 minutes daytimes, and spray time is 1～2 minute, evening stop-spraying; After the cuttage every 1 800～1000 times of 50%wt carbendazim solution of 7～10 days foliage-sprays, cuttage after 20 days every 10～12 days pourings 0.2%wt urea and 0.2%wt potassium dihydrogen phosphates.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460935A (en) * | 2013-09-11 | 2013-12-25 | 蒋红良 | Cuttage seedling raising method for wild butterflybush flower |
| CN104186311A (en) * | 2014-07-31 | 2014-12-10 | 浙江农林大学 | Tissue culture device and betula luminifera micro cuttage and rapid propagation method |
| CN104429508A (en) * | 2014-11-18 | 2015-03-25 | 北京林业大学 | Chimonanthus praecox cutting propagation method |
| CN106386353A (en) * | 2016-09-14 | 2017-02-15 | 广西壮族自治区林业科学研究院 | Seedling growing method of tender branch cutting for keteleeria cyclolepis flous |
| CN107125118A (en) * | 2017-05-18 | 2017-09-05 | 湖北省林业科学研究院 | A kind of cultivation of Luotian weeping branch China fir base portion coppice shoot and cuttage and seedling culture method |
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| CN102138416A (en) * | 2011-01-13 | 2011-08-03 | 南京林业大学 | Cuttage propagation method for twig of cyclocarya paliurus |
| CN102301909A (en) * | 2011-08-18 | 2012-01-04 | 中国科学院华南植物园 | Method for efficiently and quickly propagating Grevillea 'Sandra Gordon' |
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2013
- 2013-05-05 CN CN2013101619461A patent/CN103229651A/en active Pending
Patent Citations (2)
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| CN102138416A (en) * | 2011-01-13 | 2011-08-03 | 南京林业大学 | Cuttage propagation method for twig of cyclocarya paliurus |
| CN102301909A (en) * | 2011-08-18 | 2012-01-04 | 中国科学院华南植物园 | Method for efficiently and quickly propagating Grevillea 'Sandra Gordon' |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460935A (en) * | 2013-09-11 | 2013-12-25 | 蒋红良 | Cuttage seedling raising method for wild butterflybush flower |
| CN103460935B (en) * | 2013-09-11 | 2015-04-08 | 蒋红良 | Cuttage seedling raising method for wild butterflybush flower |
| CN104186311A (en) * | 2014-07-31 | 2014-12-10 | 浙江农林大学 | Tissue culture device and betula luminifera micro cuttage and rapid propagation method |
| CN104186311B (en) * | 2014-07-31 | 2018-04-27 | 浙江农林大学 | A kind of tissue culture device and smoothbark birch minitype cuttage quick-breeding method |
| CN104429508A (en) * | 2014-11-18 | 2015-03-25 | 北京林业大学 | Chimonanthus praecox cutting propagation method |
| CN104429508B (en) * | 2014-11-18 | 2017-01-11 | 北京林业大学 | Chimonanthus praecox cutting propagation method |
| CN106386353A (en) * | 2016-09-14 | 2017-02-15 | 广西壮族自治区林业科学研究院 | Seedling growing method of tender branch cutting for keteleeria cyclolepis flous |
| CN107125118A (en) * | 2017-05-18 | 2017-09-05 | 湖北省林业科学研究院 | A kind of cultivation of Luotian weeping branch China fir base portion coppice shoot and cuttage and seedling culture method |
| CN107125118B (en) * | 2017-05-18 | 2019-11-19 | 湖北省林业科学研究院 | A kind of cultivation of Luotian weeping branch China fir base portion coppice shoot and cuttage and seedling culture method |
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Application publication date: 20130807 |