CN102599002A - Technique for effectively increasing vetiver propagation coefficient - Google Patents
Technique for effectively increasing vetiver propagation coefficient Download PDFInfo
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- CN102599002A CN102599002A CN2012100904670A CN201210090467A CN102599002A CN 102599002 A CN102599002 A CN 102599002A CN 2012100904670 A CN2012100904670 A CN 2012100904670A CN 201210090467 A CN201210090467 A CN 201210090467A CN 102599002 A CN102599002 A CN 102599002A
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Abstract
The invention relates to a technique for effectively increasing vetiver propagation coefficient, which is characterized by including steps of seed selection, seedling separation, planting, spraying and the like. By the technique, the vetiver propagation coefficient is increased by more than 50% stably. The technique is simple, feasible and lower in cost than that of enhanced fertilizer-water management.
Description
Technical field
The present invention relates to a kind of technical method of effective raising vetiver reproduction coefficient, the method for taking this can significantly improve the reproduction coefficient of vetiver, alleviates the nervous situation of vetiver seedling, helps applying of vetiver technology.
Background technology
Vetiver (VEtiveriazizanioides (L.) Nash) has another name called cus-cus; It is perennial grass family C4 plant; Originate in the torrid zone, have characteristics such as well developed root system, biomass is big, adaptability is strong, apply rapidly in global tropical and subtropical zone the past few decades.It is reported; Vetiver is used widely at the aspects such as ecological recovery in purification, soot and the industrial pollution district of the revegetation in the checking winds and fixing drifting sand of firm, the dust storm ground on the protection of extracting vetiver oil, water and soil conservation, highway and railway slope, reservoir, dykes and dams, riverbank, metal tailings and stone pit, polluted-water in recent years; And obtained good effect, thereby receive national governments, scientist and the producer's great attention.
At present, the whole world has more than 100 countries and regions to introduce a fine variety to plant, be widely used in the improvement of bringing soil erosion under control and contaminated environment.In recent years, vetiver also comes into one's own at home and obtains promotion and application rapidly, and also soaring thereupon to the demand of vetiver, supply falls short of demand to cause seedling, seriously restricted applying of it.In the face of the great demand in market, the raising technology that how to improve vetiver becomes a problem demanding prompt solution with the cultivation high quality seedling.Up to now, the pierre method of vetiver is a lot, and the method for having succeedd has the breeding method of tillering, stays the maternal plant breeding method, cottage propagation method, the method that is propagated from cuttings, cut top breeding method, vertical profile breeding method, tissue culture method.According to another report, south China has the people to attempt using seminal propagation, but this technical sophistication and receive region limits is difficult to large scale application.Therefore; Vetiver still more at present adopts asexual reproduction method that seedling is provided; Also more around the technical research of this respect, but great majority set about from the water and fertilizer management technology, but this type measure is loaded down with trivial details; Cost is also high, and therefore the method through spray plant growth regulator raising vetiver reproduction coefficient has important practical significance.
Summary of the invention
For promoting the extensive use of vetiver technology; Reduce application cost, the object of the invention will provide a kind of effective technical method that improves the vetiver reproduction coefficient exactly; Be intended to break through vetiver provenance restriction bottleneck in short supply, for the extensive use of vetiver provides technical support.
Realize that the object of the invention technical scheme is such:
A kind of technical method of effective raising vetiver reproduction coefficient, it is characterized in that: said technical method comprises the steps:
(1) seed selection divides seedling:
Select 1～2 year living vetiver seedling, keep its root length 5cm～10cm, overground part length 15～20cm, remainder is clipped, and the grow thickly seedlings of tillering of cluster are divided into every Xiao Cong 5～10 strains and vetiver is taked the water conservation measure.
(2) plantation: the said vetiver seedling of above-mentioned steps (1) is pressed line-spacing 40～60cm, the plantation of spacing in the rows 20～30cm specification; Tread vetiver shoot root border soil after planting; And water a sufficient normal root water alive, and keep within 30～40 days after the plantation being not less than 60% water capacity, grow until newborn cauline leaf;
(3) spray: treat that the described vetiver of above-mentioned steps (2) begins to get into vigorous period; Supply rich water one time; Select after 7～10 days to spray paclobutrazol under the no dew situation, this paclobutrazol concentration is 15%, is to blend soup at 1: 25 by the weight ratio of paclobutrazol wetting powder and water; Said chemical liquid consumption standard is 30g ± 10g/ mu, and maintenance after this is not less than 60% water capacity.
Seed selection described in the above-mentioned steps (1) divides seedling should be chosen in outside air temperature in the time of 18～20 ℃, to carry out.
Plantation described in the above-mentioned steps (2), should to select that the soil is porous fertile, physical features is invigorating, can irritate the farmland that can arrange carries out.
Supply rich water one time described in the above-mentioned steps (3), be meant by 40～60kg/ mu to apply composite fertilizer nitrogen in this composite fertilizer (N): phosphorus (P): the weight ratio of potassium (K) element is 15: 15: 15, soil moisture content >=60%.
Spraying described in the above-mentioned steps (3) should be chosen in when outside air temperature is stablized through 18～20 ℃ and carry out.Outside air temperature is stable to be meant that through certain temperature value continuous 5 days outside air temperature surpasses designated value.
The present invention selects the vetiver seedling of life in 1～2 year as provenance, and vitality is strong, is easy to short tiller; And about the root length 5～10cm of reservation vetiver seedling, about overground part length 15～20cm; Remainder is clipped, to and the seedlings of bunch growing thickly be divided into every Xiao Cong 5～10 strains, help rejuvenation and increase tiller.Keep suitable seeding row spacing, help the ventilation and penetrating light of nursery lot vetiver, promote new life's healthy growth of tillering.The spraying effect in early stage that begins to get into vigorous growth vetiver is better, and postponing short tiller effect the period that sprays can descend.In middle reaches, the Changjiang river areas mid or late May or June early and middle ten days, natural resourcess such as temperature, light, water begin synchronous rising, just in time identical with the vetiver biological property, it is better that this period sprays the paclobutrazol effect.Spray and to guarantee sufficient nutrient supply behind the paclobutrazol, satisfy suitable Soil Moisture, guarantee that paclobutrazol gives full play to effect.
Technical scheme provided by the invention, simple, the easy row of measure, the vetiver reproduction coefficient is stable to be increased more than 50%.Secondly, compare with strengthening the rich water quality management measure, this technical method cost is cheaper.
Embodiment
For making your auditor and the public can further understand characteristic of the present invention and beneficial effect thereof, the spy describes in detail as follows with the embodiment specific embodiments of the invention:
Embodiment 1 (pot experiment):
(1) chooses 2 years living vetiver seedlings within the border from Jiangsu the April 28 in 1 year; At this moment outside air temperature is at 18～20 ℃; It is high to prune back reservation top 20cm; Root system 5cm is long, the Da Cong seedling is prone to separately punish into every Xiao Cong 6 strains (tillering) along it, and in time the vetiver root system is soaked and place water to keep vetiver moisture.Take vegetable field top layer 20cm soil, it is spread out till airing on the cement court to convenient the pulverizing, it is subsequent use to cross the 1mm sieve after crushed.Water to approaching saturated the previous day at the dress basin, and it is subsequent use to bank up after constantly stirring.Select the Plastic Drum of high 50cm, base diameter 30cm for use, in each barrel, place the fine earth that sieves of 25kg.Select for use above-mentioned vetiver seedling vertically to plant in Plastic Drum again, plant one clump in every barrel, every clump 6 strain because be potted plant and every barrel in plant one clump, so do not consider line-spacing and spacing in the rows, keep root system nature extended configuration during plantation, then compacting rhizosphere soil gently.The normal root that waters a sufficient equivalent water of living is in bucket till the soil saturation.After this, took the circumstances into consideration moisturizing once, a bag interior soil conservation 60-80% water-holding capacity is got final product in approximately every separated 7-10 days.
(2) execute equivalent composite fertilizer every barrel of May 30 in the same year, adopt Ruihe Chemical Fertilizer Co., Ltd., Jiangsu auspicious with board composite fertilizer 45% (S) (15-15-15), the mode of spreading manuer in holes, the consumption of 50g/ mu (the bung sectional area is calculated as land area) keeps the skin wet to soil saturation again.
(3) in morning June 5 in the same year, at random above-mentioned barrel plant vetiver is divided into two groups, i.e. processed group and control group (ck), every group 20 basin, plant height, the tiller number of the every basin vetiver of statistics record one by one.
(4) afternoon June 5 in the same year is to the vetiver spray plant growth regulator paclobutrazol of processed group; Outside air temperature was through 20 ℃ at that time; Weight ratio by 15% paclobutrazol wetting powder and water is blent soup at 1: 25, and this soup consumption is used (the bung sectional area is calculated as land area) by 30g/ mu standard.
(5) be mainly water management during after this 6～September 14 June, when the bucket endosexine of two groups antecedent soil moisture turns white, replenish the moisture (can keep equivalent like this, also be convenient to operation) of 5000ml.
(6) add up tiller number and the plant height of vetiver afternoon September 14 the same year.The vetiver group The mean tillering of handling through paclobutrazol is counted the ratio vetiver of being untreated increases by 78.5%; But be short grow thickly shape owing to the vetiver that sprays paclobutrazol tillers more except that the minority stem, reduce by 68.2% than control group so spray the average plant height of the vetiver of paclobutrazol.Average plant height for processed group can improve through the rich water supply of abundance than the situation that control group decreases.
Embodiment 2 (field experiment):
(1) chooses 1 year living vetiver seedling within the border from Jiangsu Province the April 20 in 1 year; At this moment outside air temperature is at 18～20 ℃; It is high to prune back reservation top 20cm, and root system 5cm is long, and the Da Cong seedling is prone to separately punish into every Xiao Cong 6 strains (tillering) along it; Existing side by side is about to it and vertically is placed in the slime water to keep vetiver moisture, keeps root all to immerse in the slime water.
(2) April 21 the same year above-mentioned ready vetiver seedling is planted in the farmland of preceding stubble for the area same as described above of vegetable field by line-spacing 50cm * spacing in the rows 30cm neat specification; 6 young plants/cave; Keep root system nature extended configuration during plantation; The real root border soil that tramps with one's feet then, and water a sufficient normal root water of living.After this, basic maintenance is not less than 60% water capacity, otherwise needs pouring in time.
(3) June 5 the same year, spread fertilizer over the fields composite fertilizer by the standard of every mu of 50kg afternoon, adopt Ruihe Chemical Fertilizer Co., Ltd., Jiangsu auspicious with board composite fertilizer 45% (S) (15-15-15)), the fertilising back is general waters sufficient water one time, makes soil moisture content >=60%
(4) in morning June 14 in the same year, above-mentioned vetiver is divided into two groups, i.e. processed group and control group (ck) are selected 5 row in every group at random, and every row is accompanied and confirmed continuous 10 cave vetivers, and one by one the every cave of statistics record vetiver plant height, tiller.
(5) afternoon June 14 the same year, outside air temperature was blent soup through 20 ℃ by the weight ratio of 15% paclobutrazol wetting powder and water at 1: 25 at that time to the vetiver spray plant growth regulator paclobutrazol of processed group, and this soup consumption is used by 40g/ mu standard.
(6) be mainly water management and weeds management during after this 15～September 21 June, when the native drying of table is turned white general water once permeable;
(7) to September 22～23 the same year statistics tiller number and plant height; Vetiver through paclobutrazol is handled is organized the vetiver increase by 138.5% of The mean tillering number than untreated fish group; But almost be the short shape of growing thickly owing to the vetiver that sprays paclobutrazol tillers except that the part stem, thereby spray the average plant height comparison of the vetiver photograph reduction by 76.6% of paclobutrazol.Average plant height for processed group can improve through the rich water supply of abundance than the situation that control group decreases.
Claims (5)
1. technical method that effectively improves the vetiver reproduction coefficient, it is characterized in that: said technical method comprises the steps:
(1) seed selection divides seedling:
Select 1～2 year living vetiver seedling, keep its root length 5cm～10cm, overground part length 15～20cm, remainder is clipped, and the grow thickly seedlings of tillering of cluster are divided into every Xiao Cong 5～10 strains and vetiver is taked the water conservation measure.
(2) plantation: the said vetiver seedling of above-mentioned steps (1) is pressed line-spacing 40～60cm, the plantation of spacing in the rows 20～30cm specification; Tread vetiver shoot root border soil after planting; And water a sufficient normal root water alive, and keep within 30～40 days after the plantation being not less than 60% water capacity, grow until newborn cauline leaf;
(3) spray: treat that the described vetiver of above-mentioned steps (2) begins to get into vigorous period; Supply rich water one time; Select after 7～10 days to spray paclobutrazol under the no dew situation, this paclobutrazol concentration is 15%, is to blend soup at 1: 25 by the weight ratio of paclobutrazol wetting powder and water; Said chemical liquid consumption standard is 30g ± 10g/ mu, and maintenance after this is not less than 60% water capacity.
2. the technical method of effective raising vetiver reproduction coefficient according to claim 1 is characterized in that: the seed selection described in the said step (1) divides seedling should be chosen in outside air temperature in the time of 18～20 ℃, to carry out.
3. the technical method of effective raising vetiver reproduction coefficient according to claim 1 is characterized in that: the plantation described in the said step (2), should to select that the soil is porous fertile, physical features is invigorating, can irritate the farmland that can arrange carries out.
4. the technical method of effective raising vetiver reproduction coefficient according to claim 1; It is characterized in that: supply rich water one time described in the said step (3); Be meant by 40～60kg/ mu and apply composite fertilizer; Nitrogen in this composite fertilizer (N): phosphorus (P): the weight ratio of potassium (K) element is 15: 15: 15, soil moisture content >=60%.
5. the technical method of effective raising vetiver reproduction coefficient according to claim 1 is characterized in that: spraying described in the said step (3) should be chosen in when outside air temperature is stablized through 18～20 ℃ and carry out.Outside air temperature is stable to be meant that through certain temperature value continuous 5 days outside air temperature surpasses designated value.
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| CN2012100904670A CN102599002A (en) | 2012-03-26 | 2012-03-26 | Technique for effectively increasing vetiver propagation coefficient |
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| CN2012100904670A CN102599002A (en) | 2012-03-26 | 2012-03-26 | Technique for effectively increasing vetiver propagation coefficient |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105981551A (en) * | 2015-03-02 | 2016-10-05 | 昆明光宝生物技术工程有限公司 | Planting method for vetiver-grass heading and seed setting |
| CN108293664A (en) * | 2016-08-09 | 2018-07-20 | 曹富鲜 | A kind of strawberry method for planting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470158A (en) * | 2003-06-04 | 2004-01-28 | 湛江师范学院 | Vetiver-seed propagating method |
| CN102138422A (en) * | 2011-02-28 | 2011-08-03 | 苏州绿世界生态科技发展有限公司 | Simple and effective planting method for vetiver at severe environment |
-
2012
- 2012-03-26 CN CN2012100904670A patent/CN102599002A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470158A (en) * | 2003-06-04 | 2004-01-28 | 湛江师范学院 | Vetiver-seed propagating method |
| CN102138422A (en) * | 2011-02-28 | 2011-08-03 | 苏州绿世界生态科技发展有限公司 | Simple and effective planting method for vetiver at severe environment |
Non-Patent Citations (3)
| Title |
|---|
| 夏汉平等: "几种植物生长延缓剂对香根草矮化与分蘖形成的影响", 《草原与草坪》, 30 September 2000 (2000-09-30) * |
| 杨冰冰等: "香根草组织培养技术的研究", 《草业学报》, 31 August 2007 (2007-08-31) * |
| 陈慧等: "六种植物生长调节剂对香根草生长发育的效应研究", 《草业与畜牧》, 31 March 2010 (2010-03-31) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105981551A (en) * | 2015-03-02 | 2016-10-05 | 昆明光宝生物技术工程有限公司 | Planting method for vetiver-grass heading and seed setting |
| CN108293664A (en) * | 2016-08-09 | 2018-07-20 | 曹富鲜 | A kind of strawberry method for planting |
| CN108293664B (en) * | 2016-08-09 | 2020-04-03 | 曹富鲜 | Strawberry planting method |
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