CN103918461B - The simple bud rhizome section quick propagation method of a kind of southern reed - Google Patents

The simple bud rhizome section quick propagation method of a kind of southern reed Download PDF

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CN103918461B
CN103918461B CN201410173454.9A CN201410173454A CN103918461B CN 103918461 B CN103918461 B CN 103918461B CN 201410173454 A CN201410173454 A CN 201410173454A CN 103918461 B CN103918461 B CN 103918461B
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rhizome
sprout
culture matrix
bud
water
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CN103918461A (en
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陈心胜
谢永宏
邓正苗
李峰
侯志勇
李旭
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Institute of Subtropical Agriculture of CAS
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Institute of Subtropical Agriculture of CAS
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration

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Abstract

The invention discloses the simple bud rhizome section quick propagation method of a kind of southern reed, its step: draw materials in (1) field: the Nan Di group choosing wetland; (2) select sprout: the rhizome tap water fetched in field, wash earth off, make rhizome keep moistening; (3) culture matrix preparation; (4) seedbed prepares; (5) sow: be placed in seed furrow by the band bud rhizome section level of choosing, sprout upwards; (6) cultivate: often within 1-2 days, water a water, make culture matrix keep moistening, water and take to spray, after one week, sprout starts to sprout, did seedling reach 15 in 2 weeks? cm; (7) transplant: after 4 weeks, seedling reaches 40 centimeters, and 4-6 sheet leaf, rhizome grows new root, dug out by plant from culture matrix, be transplanted in soil.Easy to implement the method, easy and simple to handle, it is short to expand numerous cycle, and germination rate reaches 80%, and transplanting survival rate reaches 98%.Cost is low, makes to obtain a large amount of high-quality south reed seedling in a short time, meets the needs that muskeg recovery, artificial swamp and industrial raw material base are built.

Description

The simple bud rhizome section quick propagation method of a kind of southern reed
Technical field
The invention belongs to biological technical field, more specifically relate to the simple bud rhizome section quick propagation method of a kind of southern reed, it is applicable to wetland recovery, artificial swamp and the industrial raw material base construction demand to a large amount of high-quality south reed seedling.
Background technology
Nan Di (Triarrhenalutarioriparia) originates in each province on the south China middle and lower reach of Yangtze River, is mainly distributed in river, lake, Coastal beach land and water zone of transition, as Lake Dongting area, Hunan and Poyang Lake area, Jiangxi.Nan Di is perennial bamboo shape draft, high 3-7 rice, profile and reed quite similar, be often mistaken as reed.The main distinction of Nan Di and reed is: reed stalk wall is thin, pulp cavity large, and southern reed stalk wall thickness, pulp cavity are little; Reed Leaves is banded, alternate, and southern reed leaf is close to wire lanceolar, and edge is sharper.The root-like stock that south reed tool is very flourishing, there are thick root and young shoot in joint place, and the bud number of every square metre reaches 330 ± 52 (mean ± standard errors).Nan Di adapts to water and to rise the alternate environment fallen, and has the characteristic of " land and water two is raw ".Nan Di not only can dyke strengthening flood control, improve lake, river capacity of flood storage, but also be improved surrounding area climatic environment, the function of the natural ecosystems that purify water, safeguard.Nan Di is C4 plant, there is specular removal, grow fast feature, per hectare can output 22.5-30 ton stem stalk, can produce the dry pulp plate of 15 tons, be a kind of high-biomass resource of sustainable use.There are some researches show, utilize reed class plant community to set up artificial swamp, both can play the effect such as purifying water body and protection bio-diversity, again can as raw material of industry production base.Along with the middle and lower reach of Yangtze River restore farmland to lakes, a large amount of enforcements of the engineering such as artificial swamp, more and more urgent to the seedling demand of southern reed, and current technology meets the growing market demand by being difficult to.Therefore, a kind of can being inevitable demand for the method for a large amount of high-quality south reed seedling by Quick is invented.
Through Chinese patent net and correlative theses retrieved web, find more existing reports about southern reed propagation technique at present, if Gao Handong etc. is at " cultivation and utilization of reed grass " [Chinese Wild plant resources, 2009,28:(3) 65-67] subterranean stem mentioned buries breeding, terrestrial stem cottage propagation, terrestrial stem propagation by layering technology, but it is low to expand numerous coefficient, unfavorable transplanting; The seedling pier breeding that Wang Yuzhen mentions in " propagation technique of reed " [extraordinary Economic animals and plants, 2007, (6): 33], root-like stock breeding and the breeding of green manuring method, but it is low to there is the numerous coefficient of expansion, large to original vegetation deterioration, be inconvenient to problems such as transplanting; Guo Xiayu etc. are at " the tissue culture and rapid proliferation technology of Nan Di " [plant physiology journal, 2011,47 (10): 987-990] in young fringe for explant, obtain higher callus induction, differentiation and rooting rate, but the cycle is longer, and draw materials by time restriction.Easily to rely on oneself etc. " method for quickly breeding of reed " (application publication number CN101711504A) with reed stem section for explant establishes a set of regenerating system, but need to use hormone and chemicals, operation more complicated, general engineering technology personnel are difficult to grasp.
Summary of the invention
The object of the invention is the simple bud rhizome section quick propagation method that there are provided a kind of southern reed, easy to implement the method, easy and simple to handle, the inventive method does not need to use hormone and chemicals, and it is short to expand numerous cycle, and germination rate reaches 80%, and transplanting survival rate reaches 98%.Can supply a large amount of high-quality south reed seedling by Quick by the method, and cost is low, makes to obtain a large amount of high-quality south reed seedling in a short time, meets the needs that muskeg recovery, artificial swamp and industrial raw material base are built.
In order to realize above-mentioned object, the present invention adopts following technical measures:
A simple bud rhizome section quick propagation method for southern reed, the steps include:
(1) draw materials in field: choose the Nan Di group that conversation in Dongting Lake area grows fine, and after being gathered in by acrial part, takes the rhizome of underground 0.1-10cm soil layer.Get colors as far as possible more shallow and diameter 0.8-1.5cm one, biennial rhizome.
(2) select sprout: the rhizome tap water fetched in field, wash earth off, and make rhizome keep moisture state.Select apart from rhizome terminal bud 3-50cm, and length is the axillalry bud of 0.5-1.5cm, band bud rhizome section cut with secateurs, length is 3-4cm, makes axillalry bud be positioned at the centre position of rhizome section.
(3) culture matrix preparation: culture matrix refers to and replaces soil to provide the solid dielectric that plant machinery is supported and material is supplied.River sand is crossed 2mm sieve, the bulky grain things such as removing gravel pebbles, are then mixed with culture matrix by isopyknic river sand and peat soil mixing, for subsequent use.
(4) seedbed prepares: seedbed should be selected at not easily ponding, and does not have the location that trees or building shade.Be layered on by culture matrix on seedbed, thickness is 9-11cm.
(5) sow: be placed in seed furrow by the band bud rhizome section level chosen, upwards, the distance between band bud rhizome section is 9-11cm to sprout.Then use step (3) culture matrix to cover, thickness is at 0.9-1.1cm.
(6) cultivate: look weather condition, every 1-2 days waters a water, make culture matrix keep moistening.Preferably take when watering to spray or spraying, current are unsuitable large, cause rhizome section to expose in order to avoid wash away culture matrix.After one week, namely sprout starts to sprout, and seedling can reach more than 15cm in 2 weeks.
(7) transplant: after 4 weeks, seedling reaches more than 40 centimeters, and 4-6 sheet leaf, rhizome grows new root, dug out by plant from culture matrix, be transplanted in soil.
The present invention establishes the technical system of a fast-propagation south reed, and the present invention compared with prior art, has the following advantages and effect:
(1) material source is simple, and the underground rhizome of Nan Di is flourishing, the bud number average out to 330 of every square metre;
(2) cycle is short, only needs about 30 days from broadcasting bud to transplanting;
(3) sprout germination rate is high, reaches 80%, and rooting rate is up to 100%;
(3) transplanting survival rate is high, is 98%;
(4) do not need to carry out chemicals and HORMONE TREATMENT, technology is simple, be easy to grasp, and cost is low, is applicable to large-scale production seedling;
(5) in the present invention, material therefor is taken at Dongting Lake, and plant is tall and big, on average about 6m, can be widely used in streamside, recovery of lakeside areas and industrial raw material base construction.
Embodiment
The present invention is further illustrated below in conjunction with embodiment, instead of restriction the present invention
Embodiment 1:
A simple bud rhizome section quick propagation method for southern reed, the steps include:
1. draw materials in field: choose southern reed that conversation in Dongting Lake area grows fine, and after being gathered in by terrestrial stem stalk, uses the rhizome of underground 0.1 or 1 or 2 or 3 or 4 or 5 or 7 or 8 or 9 or 10cm soil layer is routed up by first-class instrument, selects the more shallow and diameter of color and to take root stem at one, two of 0.8 or 1 or 1.1 or 1.3 or 1.5cm, load bag weaved in take back.Remaining rhizome is embedded in original place, and these rhizomes still can germinated plantlet, can not damage sampling.
2. select sprout: rinsed well by the rhizome water adopted back from field, peeled off by the scaly leaf that rhizome covers, sprout is more easily recognized.Selected distance rhizome terminal bud 3 or 10 or 24 or 36 or 45 or 50cm, and length is 0.5 or 0.8 or 1.2 or the axillalry bud of 1.5cm, respectively stays 1 or 2cm, band bud rhizome section cut with secateurs at the two ends of bud, the length of band bud rhizome section is 3 or 4cm.
3. seeding in nursery bed: isopyknic fine sand and peat soil mixing are mixed with culture matrix, and this culture matrix is ventilative good, is conducive to the sprouting of rhizome bud and takes root, and easily takes plant when transplanting.Be laid on seedbed by the culture matrix prepared, thickness is 9 or 10 or 11cm.Seedbed scoop is marked the dark seed furrow of about 1cm, be placed in seed furrow by the band bud rhizome section chosen, the distance between band bud rhizome section is 9 or 10 or 11cm, then earthing, and thickness is about 0.9 or 1 or 1.1cm.
4. cultivate: after planting water once permeable, this backsight weather condition, within every 1 or 2 day, water a water, make seedbed keep moisture state.Take when watering to spray or spraying, in order to avoid cause washing away and being with bud rhizome section to expose of culture matrix as far as possible.The temperature in seedbed controls at 15 or 18 or 21 or 23 or 25 DEG C, seedbed can be built in greenhouse or booth as having ready conditions.Illumination can adopt natural lighting condition.After 1 week, sprout starts to sprout, and seedling can reach more than 15cm in 2 weeks, produced 2 or 3 young leaves.Germination rate is 80%.
5. transplant: after 4 weeks, seedling reaches more than 40 centimeters, and 4 or 5 or 6 leaves, rhizome grow new root, now plant can be dug out from culture matrix, be transplanted in soil.Dig Miao Shike to dig out together with the culture matrix of seedling root, make root keep moistening, and be transplanted to as early as possible in soil.Transplanting survival rate reaches 98%.

Claims (1)

1. a simple bud rhizome section quick propagation method for southern reed, the steps include:
(1) draw materials in field: the Nan Di group choosing wetland, by acrial part gather in after, take the rhizome of underground 0.1-10cm soil layer, select diameter 0.8-1.5cm one, biennial rhizome;
(2) select sprout: the rhizome tap water fetched in field, wash earth off, make rhizome keep moistening, select apart from rhizome terminal bud 3-50cm, length is the axillalry bud of 0.5-1.5cm, band bud rhizome section is cut with secateurs, length is 3-4cm, makes axillalry bud be positioned at the centre position of rhizome section;
(3) culture matrix preparation: river sand is crossed 2mm sieve, removing gravel pebbles bulky grain thing, is mixed with culture matrix by isopyknic river sand and peat soil mixing, for subsequent use;
(4) seedbed prepares: seedbed is selected at not easily ponding, and do not have the location that trees or building shade, be layered on by culture matrix on seedbed, thickness is 9-11cm;
(5) sow: be placed in seed furrow by the band bud rhizome section level of choosing, upwards, the distance between band bud rhizome section is 9-11cm to sprout, and cover with step (3) culture matrix, thickness is at 0.9-1.1cm;
(6) cultivate: often within 1-2 days, water a water, make culture matrix keep moistening, water and take to spray, after one week, sprout starts to sprout, and seedling reached 15cm in 2 weeks;
(7) transplant: after 4 weeks, seedling reaches 40 centimeters, and 4-6 sheet leaf, rhizome grows new root, dug out by plant from culture matrix, be transplanted in soil.
CN201410173454.9A 2014-04-28 2014-04-28 The simple bud rhizome section quick propagation method of a kind of southern reed Active CN103918461B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104855084B (en) * 2015-04-23 2017-05-03 湖南农业大学 Method for culturing seedlings from triarrhena lutarioriparia seeds
CN105052500A (en) * 2015-08-20 2015-11-18 中国科学院东北地理与农业生态研究所 Method for rapid propagation of switchgrass through rhizome transplantation
CN105746143B (en) * 2016-03-10 2018-06-08 中国科学院亚热带农业生态研究所 A kind of rhizome section quick propagation method of water pepper
CN105993535B (en) * 2016-06-13 2020-05-08 中国科学院亚热带农业生态研究所 Rapid propagation method for potamogeton crispus single-section stem segments
CN109463211A (en) * 2018-11-12 2019-03-15 中国科学院东北地理与农业生态研究所 The method of the height of water level optimization method and the fast quick-recovery of degeneration saline-alkali wetland plant of three river scirpus triqueter seedling

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN101711504A (en) * 2009-12-14 2010-05-26 湖南农业大学 Rapid propagation method of triarrhena sacchariflora
CN101946617A (en) * 2010-08-23 2011-01-19 湖南农业大学 Cottage and rapid propagation method of perennial energy grass
CN102972199A (en) * 2013-01-04 2013-03-20 黑龙江省科学院自然与生态研究所 High yield cultivation method for silvergrass in North China
CN103109674A (en) * 2013-03-14 2013-05-22 雷学军 Quick-growing high-yield and high-efficiency carbon-catching cultivation method of reed and silvergrass

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711504A (en) * 2009-12-14 2010-05-26 湖南农业大学 Rapid propagation method of triarrhena sacchariflora
CN101946617A (en) * 2010-08-23 2011-01-19 湖南农业大学 Cottage and rapid propagation method of perennial energy grass
CN102972199A (en) * 2013-01-04 2013-03-20 黑龙江省科学院自然与生态研究所 High yield cultivation method for silvergrass in North China
CN103109674A (en) * 2013-03-14 2013-05-22 雷学军 Quick-growing high-yield and high-efficiency carbon-catching cultivation method of reed and silvergrass

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