CN103238448A - Cutting propagation method of torreya jackii chun - Google Patents
Cutting propagation method of torreya jackii chun Download PDFInfo
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- CN103238448A CN103238448A CN2013101994490A CN201310199449A CN103238448A CN 103238448 A CN103238448 A CN 103238448A CN 2013101994490 A CN2013101994490 A CN 2013101994490A CN 201310199449 A CN201310199449 A CN 201310199449A CN 103238448 A CN103238448 A CN 103238448A
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Abstract
The invention belongs to the technical field of plant asexual propagation and particularly relates to a cutting propagation method of torreya jackii chun. The cutting propagation method comprises the steps of construction of a full-illumination automatic mist cutting pond; cutting collection and preparation; cutting; maintenance management after cutting; and management after transplantation. The method is simple and easy, the propagation survival rate is high, the heredity change is small, the management is convenient, large-scale propagation is facilitated, endangered plant torreya jackii chun can be saved effectively, and the survival background of the species is developed northwards.
Description
Technical field
The invention belongs to the plant asexual multiplication technology field, be specifically related to the cuttage breeding method of evergreen dungarunga Torreya jackii.
Background technology
Torreya jackii (
Torreya jackii Chan); have another name called Zhejiang Chinese torreya, Jia Shi Chinese torreya; belong to the taxaceae Torreya; it is remaining few survivors gymnosperm in the Tertiary Period in the Cenozoic; the distinctive rare tree of China; the wild plant that country's II level is laid special stress on protecting, the classification that research is belonged to, flora all have more important meaning to the weather response of Quaternary ice age etc.In addition, the Torreya jackii material is hard, and fragrance is arranged, can utensil processed.
Torreya jackii is evergreen dungarunga or often is the multi-branched shrub; Branch is verticillate or to life, carry out or sprig sagging; Leaf is listed as into two row to life, and matter is hard, wire lanceolar shape, long 3-13 centimetre, wide 3-4 millimeter has gradually thorn-like tip earlier, the base portion wedge shape has short handle, above the light green, 2 of little tools and unconspicuous in arteries and veins.Monoecism, the single leave armpit of male cone, is whenever taken turns 4 pieces of stamens at tool 4-8 wheel.Ellipse or Long Circle, base portion have decussate bract, the short stalk of tool.Female cone is born in leaf in pairs, the bractlet of 2 pairs of decussate bracts of each tool and 1 piece of adnation, the short stalk of tool; Ovule Dan Sheng, upright, only 1 globe daisy grows.Seed is all wrapped by the meat arillus, falls oval, and long 2-3 centimetre, reddish yellow when ripe, by white powder, embryo inwardly wrinkles significantly deeply.
That the Chinese torreya that comes into leaves grows in more is moistening, nice and cool mountain valley limes marginis, under hillside private parts hardwood forest, the bamboo grove and in the rock crack of overhanging cliff.Mainly be distributed in south, China Zhejiang, western part, western part, Fujian, the north, some areas in east, Jiangxi Province, the north and the north, Hubei Province, distribution is narrower.Geographical coordinate: 112 °～122 ° of east longitudes, 26 °～32 ° of north latitude, its distribution the northern fringe is with in grass Chinese torreya mountain range, Tonglu County reed thatch township, Zhejiang Province and yellow township, Baokang County, Hubei Province, the big region of rivers and lakes one; Nan Yuan is in Mei Kou township, Taining County, Fujian Province; East is along cheating in Zhejiang Province's fairy house county An Ling township stone length, to Zixi County, Jiangxi Province and Jingan County state-owned forest farms.
The Torreya jackii distribution is narrow, resource scarcity, and along with the destruction of mankind's activity to natural environment, wild Torreya jackii quantity progressively reduces, and the Torreya jackii seed maturity is long, and the natural regeneration ability is relatively poor.Adopt warm sand storage to pass the winter or directly sowing, germination rate is about 0.5-1% only.Thereby urgent need takes measures to accelerate the artificial breeding of Torreya jackii.Institute of Botany is since the i.e. work of introducing a fine variety of Torreya jackii of phase early 1960s, domestication test through more than 50 years, Torreya jackii has adapted to the weather in Nanjing, now preserved 2 strains from 6 meters of the height of trees of Zhejiang provenance, the big tree that the diameter of a cross-section of a tree trunk 1.3 meters above the ground reaches 13 centimetres, thereby the distributed areas of Torreya jackii have northwards been expanded from former habitat.
Summary of the invention
The object of the present invention is to provide a kind of method of utilizing bio-organic fertilizer to carry out the Torreya jackii cottage propagation, this method can keep the good characteristic of Torreya jackii, and method is simple, and the reproductive survival rate height provides technical guarantee for the energy large-scale application prepares the Torreya jackii nursery stock.
A kind of Torreya jackii cuttage breeding method provided by the invention, concrete steps are as follows:
1, the construction in full exposure auto spraying cuttage pond: selective light according to sufficient, physical features is smooth, well-ventilated and draining local construction cuttage easily pond.The top is provided with the auto spraying system by time control; The sunshade net is not spread in the top, is the full exposure condition.Comprise several plastic crates in the cuttage pond, be covered with a gauze in each basket, spill to prevent matrix.Both sides, the below pad of the direction that plastic crate is wide is gone up fragment of brick, to make things convenient for draining.
2, cutting medium: peat soil is adopted in the cuttage pond: mixed-matrix perlite=1:1(volume ratio), and mixed-matrix autoclave sterilization, the 4-8% by the matrix gross weight adds bio-organic fertilizer then, and abundant mixing, and laying depth is 20-22cm.
3, plugged ear collection and fringe processed: the cuttage Best Times is generally late June to late July.The collection of plugged ear is generally selected overcast and rainy or is carried out when morning, dew was not dried, gathers from Torreya jackii kind tree and gives birth to sturdy branch then, and the branch of collection will be put into bucket or wrap up with wet cloth, and transports to the fringe bar as early as possible and add the building site.The fringe bar is made processing and is preferably carried out indoor, or in the place in outdoor cool place.Cutting length 10-12cm stays leaf 4-6 sheet, and following clip is trimmed to 45 degree and cuts sth. askew, and is conducive to take root.
4, cuttage: the plugged ear cuttage degree of depth is 3-4cm, and the density seeding row spacing is 4 cm * 4 cm; Water after having inserted, plugged ear is closely contacted with matrix.
5, maintenance management after the cuttage: the plugged ear curing condition is full exposure, and regulates water spray frequency and water spraying time length according to weather condition.Cuttage seeding is passed the winter in the cuttage pond.
6, transplant the back management: transplant Best Times and be generally spring.Peat soil and perlite during transplanting on a small amount of cutting bed of plant root band, and in matrix, add " father Bio likes me " efficient biologic-organic fertilizer by 5wt%, helping to take root survives.It is off the net that seedling is positioned over sunshade in earlier stage, in case that sunshine burns is burnt, wait 56-65 days slow seedlings after, move to outdoorly again, and look climate condition, spray is once permeable weekly.In addition, in time change big nutritive cube, be conducive to Torreya jackii root growth and stretching, extension.
Among the present invention, in the step 5, spray water with the auto spraying system of time control, its after cuttage preceding 30 days, time control water spray require be: spray in per 10 minutes is 10 seconds under fine situation; Spray in every 20-25 minute is 10 seconds under the cloudy day situation; After 30 days, the requirement of time control water spray is: spray in per 20 minutes is 10 seconds under fine situation; Spray in every 40-50 minute is 10 seconds under the cloudy day situation.
Beneficial effect of the present invention is: its method is simple, the reproductive survival rate height, and inheritance changes little, convenient management, is beneficial to large-scale breeding, can effectively save Endangered Plant Torreya jackii, and make the existence background of these species pass northwards.
Embodiment
Embodiment 1
1, the construction of cuttage facility: the cuttage place is positioned at Institute of Botany nursery, selective light according to sufficient, physical features is smooth, well-ventilated and draining local construction cuttage easily facility.Cutting bed is the plastics Turnround basket of 55 cm * 36 cm * 18 cm, and the basket bottom is covered with a gauze, spills to prevent matrix.Fragment of brick is all filled up on the both sides, below of the direction that Turnround basket is wide, to make things convenient for draining.The height of top 80 cm sets up the auto spraying system by time control; The sunshade net is not spread in the top, is the full exposure condition.
2, cutting medium: be peat soil: mixed-matrix perlite=1:1(volume ratio), adopt 121 ℃ of sterilization 60min of autoclave, add " father Bio likes me " efficient biologic-organic fertilizer by 5% of mixed-matrix gross weight then, and abundant mixing, laying depth is 20-22cm.Water irrigates 2 times before the cuttage, makes matrix suction moisture.
3, plugged ear collection and fringe processed: overcast and rainy on July 10th, 2011, gather from Torreya jackii kind tree and to give birth to sturdy then, and branch erected insert in the bucket, the water of dark 10 cm is arranged in the bucket.Take indoor fringe processed to after gathering 300 branches, cutting length 10-12 cm stays leaf 4-6 sheet, and following clip is trimmed to 45 degree and cuts sth. askew, and 1 branch can be cut into 1-2 plugged ear, is total to such an extent that 450 plugged ears are used for cuttage at last.
4, cuttage: the cuttage degree of depth is 3-4cm, and the density seeding row spacing is 4cm * 4cm.Inserted the back and watered with water sprager, plugged ear is closely contacted with matrix.
5, maintenance management after the cuttage: the plugged ear curing condition is full exposure, after the cuttage preceding 30 days, time control water spray require be: spray in per 10 minutes is 10 seconds under fine situation; Spray in every 20-25 minute is 10 seconds under the cloudy day situation.After 30 days, the requirement of time control water spray is: spray in per 20 minutes is 10 seconds under fine situation; Spray in every 40-50 minute is 10 seconds under the cloudy day situation.Cuttage seeding is passed the winter in the cuttage pond.
6, transplant the back management: the investigation and transplanting of taking root in April, 2012, its rooting rate is 75%, and only is not 30% with the processing rooting rate of bio-fertilizer.Investigate the situation of taking root of 100 strain cuttage seeding, the average root of hair number of every strain is 2.73, average root long 4.35 cm, thick 0.168 cm of root.Peat soil and perlite during transplanting on a small amount of cutting bed of plant root band, and in matrix, add " father Bio likes me " efficient biologic-organic fertilizer by 5wt%, helping to take root survives.It is off the net that seedling is positioned over sunshade in earlier stage, in case that sunshine burns is burnt, waits about 60 days behind the slow seedling, moves to outdoorly again, and looks climate condition, and spray is once permeable weekly.In addition, in time change big nutritive cube, be conducive to Torreya jackii root growth and stretching, extension.It is 95% that on July 20th, 2012 was investigated its transplanting survival rate.
Claims (6)
1. Torreya jackii cuttage breeding method is characterized in that concrete steps are as follows:
(1) construction in full exposure auto spraying cuttage pond: selective light according to sufficient, physical features is smooth, well-ventilated and draining local construction cuttage easily pond, lay the mixed-matrix that sterilization is crossed in the cuttage pond, it is peat soil and the perlite of 1:1 that mixed-matrix adopts volume ratio, the 4-8% that presses the mixed-matrix gross weight again adds bio-organic fertilizer, abundant mixing, laying depth is 20-22cm, and top, cuttage pond is provided with the auto spraying system by time control;
(2) plugged ear collection and fringe processed: gather living sturdy branch fringe processed then from Torreya jackii kind tree;
(3) cuttage: the plugged ear cuttage degree of depth is 3-4cm, and the density seeding row spacing is 4cm * 4cm, waters after having inserted, and plugged ear is closely contacted with matrix;
(4) maintenance management after the cuttage: under the full exposure condition, carry out maintenance, after the cuttage preceding 30 days, time control water spray require be: spray in per 10 minutes is 10 seconds under fine situation; Spray in every 20-25 minute is 10 seconds under the cloudy day situation; After 30 days, the requirement of time control water spray is: spray in per 20 minutes is 10 seconds under fine situation; Spray in every 40-50 minute is 10 seconds under the cloudy day situation; Cuttage seeding is passed the winter in the cuttage pond;
(5) transplant the back management: 1 year spring transplanted, and suitably managed, and was conducive to improve the transplanting survival rate of Torreya jackii.
2. Torreya jackii cuttage breeding method according to claim 1 is characterized in that: the employing of mixed-matrix described in the step (1) autoclave sterilization.
3. Torreya jackii cuttage breeding method according to claim 1, it is characterized in that: bio-organic fertilizer accounts for 5% of mixed-matrix gross weight described in the step (1).
4. Torreya jackii cuttage breeding method according to claim 1 is characterized in that: the length 10-12cm of plugged ear described in the step (2), stay leaf 4-6 sheet, and following clip is trimmed to 45 degree and cuts sth. askew.
5. Torreya jackii cuttage breeding method according to claim 1 is characterized in that: cutting time described in the step (3) for annual late June to late July.
6. Torreya jackii cuttage breeding method according to claim 1, it is characterized in that: when plugged ear described in the step (5) is transplanted, peat soil and perlite on a small amount of cutting bed of plant root band, and in matrix, add " father Bio likes me " efficient biologic-organic fertilizer by 5wt%; It is off the net that seedling is positioned over sunshade in earlier stage, in case that sunshine burns is burnt, waits about 56-65 days behind the slow seedling, moves to outdoorly again, and looks climate condition, and spray is once permeable weekly; In addition, in time change big nutritive cube, be conducive to Torreya jackii root growth and stretching, extension.
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Cited By (4)
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|---|---|---|---|---|
| CN104838829A (en) * | 2014-02-14 | 2015-08-19 | 周欣 | Asexual rapid propagation method for high quality edible Chinese torreya |
| CN105830718A (en) * | 2016-04-13 | 2016-08-10 | 江苏省中国科学院植物研究所 | Cutting propagation method for Torreya jackii |
| CN105830720A (en) * | 2016-04-18 | 2016-08-10 | 杭州富阳飞博科技有限公司 | Cutting propagation method for needle-leaved tree |
| CN112930891A (en) * | 2021-02-04 | 2021-06-11 | 浙江省林业科学研究院 | Method for full-exposure cutting seedling raising of Chinese torreya |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838829A (en) * | 2014-02-14 | 2015-08-19 | 周欣 | Asexual rapid propagation method for high quality edible Chinese torreya |
| CN105830718A (en) * | 2016-04-13 | 2016-08-10 | 江苏省中国科学院植物研究所 | Cutting propagation method for Torreya jackii |
| CN105830720A (en) * | 2016-04-18 | 2016-08-10 | 杭州富阳飞博科技有限公司 | Cutting propagation method for needle-leaved tree |
| CN105830720B (en) * | 2016-04-18 | 2018-10-12 | 杭州富阳飞博科技有限公司 | Cuttage breeding method for coniferous tree |
| CN112930891A (en) * | 2021-02-04 | 2021-06-11 | 浙江省林业科学研究院 | Method for full-exposure cutting seedling raising of Chinese torreya |
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Application publication date: 20130814 |