CN103947400B - Extend the Optimum Cultivation method of awns Hordeum jubatum viewing period - Google Patents
Extend the Optimum Cultivation method of awns Hordeum jubatum viewing period Download PDFInfo
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- CN103947400B CN103947400B CN201410127551.4A CN201410127551A CN103947400B CN 103947400 B CN103947400 B CN 103947400B CN 201410127551 A CN201410127551 A CN 201410127551A CN 103947400 B CN103947400 B CN 103947400B
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Abstract
The invention provides a kind of Optimum Cultivation method extending awns Hordeum jubatum viewing period, in greenhouse, start sowing the annual last ten-days period in April, the first tenday period of a month in May are transplanted in basin alms bowl, select the Optimum Cultivation matrix through special screening, loam: the peat composed of rotten mosses: sand=1: 1: 1.In the last ten-days period in may, earing, within first 1 week, to spray paclobutrazol (PP333) concentration be 0.75-1.00g/L (concentration unit: g/L and grams per liter) 1 time, and every strain amount of spraying is 100ml, is transplanted to outdoor bed thereafter.In mid-June, within 2 weeks, spray second time paclobutrazol (PP333) 0.75-1.00g/L (concentration unit: g/L and grams per liter) after heading, every strain amount of spraying is 100ml.The present invention through the awns Hordeum jubatum robust growth of Optimum Cultivation, well developed root system.The best-looking states of awns Hordeum jubatum can be made to extend one times from the maturing stage to the loose panicle phase have a surplus, optimize its appreciation effect.
Description
Technical field: the present invention relates to a kind of Optimum Cultivation method extending awns Hordeum jubatum viewing period.
Background technology:
Awns Hordeum jubatum (Hordeumjubatum), the large wheat straw of grass family belongs to perennial herb.Stalk is grown thickly, and upright or base portion slightly tilts, and high 20-65cm, footpath 1-2mm, tool 3-5 save, without hair.Blade is flat, long 5-13cm, and wide 1.5-2.5mm, two sides is coarse.Spike is soft, and reach 12cm (comprising awns), arista shape, long 5-6cm, its little Hua often deteriorates to aristiform.Be born in field or roadside, use seminal propagation.This kind cold-resistant, and plant type is graceful, and spike is golden yellow, waves with the wind, particularly attractive in appearance, is the excellent Ornamental Grasses kind in a kind of north.Be applicable to, in the afforestation at the place such as roadside, garden, flower border, flower bed, open forest land, also can be used as ground cover plant, there is high application and popularization value.
Awns Hordeum jubatum best-looking states in Heilongjiang Province be the beginning of July to mid-July, the time is shorter, is only as two weeks, it may be necessary proper method and extends it and view and admire the time.
Paclobutrazol (PP333) (chemical name: (2RS, 3RS)-1-(4-chlorphenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl) penta-3-alcohol), being the triazole type plant growth regulator succeeded in developing the eighties, is the inhibitor of endogenous gibberellins synthesis.Also can improve the activity of plant indoleacetic acid oxidase, reduce the level of plant endogenous IAA.Obviously weaken plant tip growth advantage, promote that lateral bud (tillering) grows.The short strong many tillers of seedling appearance, leaf look dark green.Well developed root system.Anatomical research shows, paclobutrazol can make the cell of root, leaf sheath, leaf diminish, and the cell number of plies of each organ increases.Paclobutrazol low concentration promotes the photosynthetic efficiency of seedling leaves; High concentration suppresses photosynthetic efficiency, improves root respiration intensity, reduces acrial part respiratory intensity, improves Stoma of Leaves resistance, reduces leaf transpiration effect.
Summary of the invention: the object of this invention is to provide and the spike viewing period of awns Hordeum jubatum is obviously extended, robust growth, regularity is high, the Optimum Cultivation method of the prolongation awns Hordeum jubatum viewing period of root system development stalwartness.Technical scheme of the present invention is: a kind of Optimum Cultivation method extending awns Hordeum jubatum viewing period, sowing is started the annual last ten-days period in April in greenhouse, select the Optimum Cultivation matrix after screening the first tenday period of a month in May, each mass volume is than being loam: the peat composed of rotten mosses: sand=1: 1: 1, by seedling replanting in basin alms bowl, the last ten-days period in May and the heading of awns Hordeum jubatum respectively spray 1 paclobutrazol solution for 2 weeks afterwards with mid-June and the heading of awns Hordeum jubatum in first 1 week, concentration is 0.75-1.00g/L, each every strain amount of spraying is 100ml, the viewing period of awns Hordeum jubatum is made to extend 15-25 days, optimize its appreciation effect.
The present invention sprays paclobutrazol (PP333) 1 time in may the last ten-days period (earing first 1 week), and concentration is 0.75-1.00g/L, and every strain amount of spraying is 100ml.The excessive growth of awns Hordeum jubatum can be suppressed, make plant strain growth more healthy and stronger, well developed root system, promote to tiller, make the regularity of plant maturation consistent, be conducive to plant nutrition accumulation.Spray second time paclobutrazol (PP333) 0.75-1.00g/L in mid-June (after heading 2 weeks), every strain amount of spraying is 100ml.Make awns Hordeum jubatum while ripen in advance 7-10 days, postpone loose panicle and fly kind of a 10-15 days.Viewing period reaches about 40 days, increases about 25 days, and optimize its appreciation effect than the awns Hordeum jubatum viewing period grown under natural conditions.
Paclobutrazol is the conventional low toxicity of agricultural, harmless, environmental protection, growth regulator with low cost.Diluted concentration in this application again very low, consumption is less, there is not the possibility of any ecological pollution.Have and delay plant growth, suppress cane to extend, promote plant tillering, increase plant stress-resistance performance, improve the effects such as output.Two time points that the present invention have found awns Hordeum jubatum accurately crucial in growth in the application to paclobutrazol normal usage are applied, and reach very good effect.The present invention through the awns Hordeum jubatum robust growth of Optimum Cultivation, well developed root system.The best-looking states of awns Hordeum jubatum can be made to extend one times from the maturing stage to the loose panicle phase have a surplus, optimize its appreciation effect.
Accompanying drawing explanation
Fig. 1 is the awns Hordeum jubatum Optimum Cultivation test effect table of comparisons
Fig. 2 is that awns Hordeum jubatum sprays variable concentrations paclobutrazol effect comparison table
Fig. 3 is the awns Hordeum jubatum of conventional method cultivation
Fig. 4 is the awns Hordeum jubatum of Optimum Cultivation method cultivation
Embodiment:
A kind of Optimum Cultivation method extending awns Hordeum jubatum viewing period, sowing is started the annual last ten-days period in April in greenhouse, select the Optimum Cultivation matrix after screening the first tenday period of a month in May, each mass volume is than being loam: the peat composed of rotten mosses: sand=1: 1: 1, by seedling replanting in basin alms bowl, the last ten-days period in May and the heading of awns Hordeum jubatum respectively spray 1 paclobutrazol solution for 2 weeks afterwards with mid-June and the heading of awns Hordeum jubatum in first 1 week, concentration is 0.75-1.00g/L, each every strain amount of spraying is 100ml, make the viewing period of awns Hordeum jubatum extend 15-25 days, optimize its appreciation effect.As shown in Figure 1: experiment proves, adopt the awns Hordeum jubatum maturing stage of the awns Hordeum jubatum of Optimum Cultivation method contrast conventional cultivation to shift to an earlier date 7-10 days, the loose panicle phase delays 10-15 days.Effectively extend the viewing period of awns Hordeum jubatum.
Embodiment 1: the April 17 of 2012, we are at the seed of warm indoor seeding awns Hordeum jubatum, start to germinate through 7 days.May 7, we by seedling replanting in basin alms bowl.In basin alms bowl, we select four kinds of different substrates, their volume ratio respectively: 1, loam: the peat composed of rotten mosses=2: 1; 2, loam: vermiculite=2: 1; 3, loam: the peat composed of rotten mosses: sand=1: 1: 1; 4, loam: vermiculite: the peat composed of rotten mosses=1: 1: 1.We make discovery from observation, and in matrix 1, growth of seedling is bad, have matrix to glue heavy phenomenon, bad hydraulic permeability.In matrix 2, vermiculite is due to comparatively light, and after watering, matrix layering is serious, and growth seedling performance is wherein also bad.The balanced proportioning of different materials in matrix 3, after especially adding sand, water penetration and gas permeability obviously increase, awns Hordeum jubatum seedling robust growth wherein, and regularity is high, and root system development is healthy and strong.Matrix 4 shows as ventilative and water penetration is poor, and seedling grows situations such as occurring flavescence, wilting wherein.Therefrom can analyze out awns Hordeum jubatum to be suitable for growing in sandy loam.So we think that the volume ratio of each material is: loam: the peat composed of rotten mosses: sand=1: the matrix of 1: 1, be the ideal transition cultivating matrix of awns Hordeum jubatum seedling.
Example 2:2012 May 21, we choose the close awns Hordeum jubatum of 60 strain growing ways, 10 strains are 1 group, spraying concentration is the paclobutrazol solution of 0.50g/L, 0.75g/L, 1.00g/L, 1.50g/L, 2.00g/L respectively, leave 1 group and do not spray paclobutrazol as blank, each every strain amount of spraying is 100ml.After heading, we are carried out open country transplanting, and June 18, we sprayed paclobutrazol solution for the second time, and spraying concentration is consistent with last time, and each every strain amount of spraying is 100ml.The initial heading of awns Hordeum jubatum experiment in 2012 is May 29, and June 3, heading was neat.
Through paired observation, spraying concentration be the awns Hordeum jubatum growth potential of 0.50g/L paclobutrazol solution with flowering stage compared with control group, effect is not remarkable.Spraying concentration be the awns Hordeum jubatum growth potential of the paclobutrazol solution of 0.75g/L with 1.00g/L with viewing period compared with control group, plant is slightly short, and grow more healthy and strong, main Ornamental Feature spicate viewing period obviously extends.Spraying concentration is the colored fringe viewing period of the awns Hordeum jubatum of 0.75g/L paclobutrazol solution extend 15 days, and spraying concentration is the colored fringe viewing period of the awns Hordeum jubatum of 1.00g/L paclobutrazol solution extend 25 days.Spraying concentration is that the awns Hordeum jubatum of the paclobutrazol solution of 1.50g/L with 2.00g/L is compared with control group, occurred obvious poisoning, plant height only has the 50%-60% of control group, downgrades obviously, spike is also less even can not be ripe, had a strong impact on its ornamental value.Therefore, we think that 2 weeks spraying concentrations are the paclobutrazol solution of 0.75-1.00g/L after front 1 week of awns Hordeum jubatum heading and heading, can promote its robust growth, extend its spicate viewing period, effective its ornamental value of raising.Refer to Fig. 2
As can be seen from these two examples, in the seedling replanting stage of awns Hordeum jubatum, the volume ratio choosing each material is: loam: the peat composed of rotten mosses: sand=1: the matrix of 1: 1, and being conducive to seedling stalwartness and growing up, is good transition cultivating matrix.After front 1 week of awns Hordeum jubatum heading and heading, 2 weeks spraying concentrations are the paclobutrazol solution of 0.75-1.00g/L, can promote its robust growth, obvious its spicate viewing period of prolongation.This is also our Optimum Cultivation method and the advantage place of conventional open field culture method.
Observation photo to awns Hordeum jubatum in mid-July with the time can find: in Fig. 3, the awns Hordeum jubatum of conventional cultivation starts loose panicle, and seed disperses, and its ornamental value greatly reduces.Fig. 4 adopts the awns Hordeum jubatum of our Optimum Cultivation method cultivation, and at one time, be still in the maturing stage, Hua Sui is strong, does not occur that loose panicle and seed disperse situation, remain and view and admire state preferably.
Claims (1)
1. one kind extends the Optimum Cultivation method of awns Hordeum jubatum viewing period, it is characterized in that: the annual last ten-days period in April start sowing in greenhouse, select the Optimum Cultivation matrix after screening the first tenday period of a month in May, each mass volume is than being loam: the peat composed of rotten mosses: sand=1: 1: 1, by seedling replanting in basin alms bowl, the last ten-days period in May and the heading of awns Hordeum jubatum respectively spray 1 paclobutrazol solution for 2 weeks afterwards with mid-June and the heading of awns Hordeum jubatum in first 1 week, concentration is 0.75-1.00g/L, each every strain amount of spraying is 100ml, the viewing period of awns Hordeum jubatum is made to extend 15-25 days, optimize its appreciation effect.
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511289A (en) * | 2011-12-26 | 2012-06-27 | 杭州市园林绿化工程有限公司 | Early blossoming regulating and controlling method for potted osmanthus fragrans |
| CN103314750A (en) * | 2013-06-09 | 2013-09-25 | 镇江瑞繁农艺有限公司 | Cultivation method for dwarfing and prolonging ornamental period of spiderflower |
| CN103477846A (en) * | 2013-09-26 | 2014-01-01 | 江苏农林职业技术学院 | Method for maintaining and reproducing evergreen lawn |
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