CN1868282A - Chemicals for prolonging green color of lawn - Google Patents
Chemicals for prolonging green color of lawn Download PDFInfo
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- CN1868282A CN1868282A CN 200610028330 CN200610028330A CN1868282A CN 1868282 A CN1868282 A CN 1868282A CN 200610028330 CN200610028330 CN 200610028330 CN 200610028330 A CN200610028330 A CN 200610028330A CN 1868282 A CN1868282 A CN 1868282A
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- lawn
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- green dose
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Abstract
A green maintaining agent for elongating the green period of lawn contains proportionally the flattening resistant ester for suppressing the growth of leaves, cross-linked polyacrylamide as water preserving agent, urea, potassium dihydrogen phosphate, magnesium sulfate and surfactant.
Description
Technical field
The present invention relates to a kind of stagnant green dose of prolonging green period of lawn, be applicable to warm-season turf and cold-season type lawn, can realize that the lawn four seasons are evergreen, belong to the urban afforestation management domain.
Background technology
The four seasons are evergreen to be the basic demand of urban afforestation, still, divides other aspect to change because the four seasons, can appear to the reaction of climatic environment in the natural characteristic of plant.Concerning lawn plant, can be divided into warm-season turf and cold-season type lawn two big classes according to its area of origin with to the adaptability of environmental temperature, common warm-season turf has Bermuda, Korea lawn grass, centipede grass etc., its optimum growth temperature is about 25 ℃, acrial part stops growing when temperature is lower than 12 ℃, progresses into resting state, shows as the whole withered and yellow of ground cauline leaf, but the underground rhizome of its dormancy can be sprouted after the temperature rise again in the coming year, grew new lawn; Common cold-season type lawn has Festuca Arundinacea, kentucky blue grass, English ryegrass, the bent grass etc. of crawling, the evergreen lawn that promptly it has often been said, and its optimum growth temperature is 15-20 ℃.But under north of china in winter extreme low temperature or frost condition, the ground blade also can occur local withered and yellowly because of chilling injury, influences the view on lawn.
Shorten the lawn the withered and yellow phase, to prolong its green functional phase be the key that improves the annual comprehensive quality in urban afforestation lawn.The main cause that the lawn blade is withered and yellow is the disintegration and the chlorophyllous degraded of chloroplast in the blade, therefore, suppress the degraded of chlorophyll molecule in the blade, making it still can keep certain photosynthetic capacity under lower temperature is the major measure that prolongs the meadow green functional period.
Xia Ning etc. have invented a kind of fertilizer (CN00111171.X) that prolongs green period of lawn, mainly are made up of nitrogen-containing compound and iron containing compounds, are used for the foliage fertilization of turfgrass, also can be used for the plant that needs keep its green period of prolongation of blade physiologically active.This fertilizer mainly is the supply by increase nitrogen and iron nutritive element, promotes the growth potential of lawn plant, thereby reduces plant because the withered and yellow problems that malnutrition caused such as nitrogen stress and iron deficiencies.But the seasonal withered and yellow of lawn mainly is that the low temperature of autumn and winter season and frost can make the blade of cold-season type lawn occur damaging to plants caused by sudden drop in temperature, and cause withered and yellow because the environmental stress condition causes; And warm-season turf is for fear of the freeze injury in winter, and acrial part is all withered, tides over the adverse environment in winter with the form of underground dormancy stem.Too much nitrogen nutrition, though can keep plant growth potential preferably, its resistance to adverse circumstances such as low temperature can obviously descend, and may increase the lawn freeze injury.
The prolongation lawn is at the green period of autumn and winter, and key is to increase the resistance of lawn plant to low temperature, slows down the degradation speed of leaf chlorophyll, simultaneously, makes it can keep lower growing ability and the self-repairing capability to damaging to plants caused by sudden drop in temperature under lower temperature conditions.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of stagnant green dose of prolonging green period of lawn is provided, slow down the warm-season turf chlorophyll degradation speed in the temperature decline process in the fall, make it to keep the long green time; Increase the resistance of cold-season type lawn to low temperature, the lawn blade that the minimizing chilling injury causes is withered and yellow, realizes that the four seasons on lawn are evergreen.
To achieve these goals, stagnate green dose main component of lawn of the present invention comprises: suppress the elongation growth of lawn plant blade conditioning agent (the anti-ester that falls, Trinexapac-ethyl), reduce the water-loss reducer (cross-linked polyacrylamide) of moisture loss in soil and the plant corpus and nutritive element (nitrogen, potassium, magnesium) etc.Anti-ester is a plant growth regulators, can block GA in the plant corpus inner gibberellin route of synthesis
20To GA
1Conversion, thereby reach the purpose that suppresses plant excessive growth.This medicine is handled can significantly improve the resistivity of lawn blade cell to adverse circumstances such as low temperature, increases the content of leaf chlorophyll.Cross-linked polyacrylamide is the extremely strong water-loss reducer of a kind of water absorbing capacity, can effectively prevent the lawn leaf tissue after the use because dehydration that autumn, arid caused, avoids the lawn withered because of declining of causing of dehydration.An amount of nitrogen replenishes can keep the certain growth potential in lawn, and potash fertilizer nutrition can increase the anti-adversity ability of lawn plant, and magnesium is chlorophyllous necessary element, replenishes magnesium elements nutrition in right amount and can slow down chlorophyllous degradation process.Add an amount of surfactant in addition as auxiliary agent, with the absorption efficiency of raising lawn blade to stagnant green dose.
Lawn of the present invention stagnates green dose can make multiple formulations such as pulvis, suspending agent, specifically fill a prescription following (by weight percentage):
1) anti-ester: 0.25~1.25%
2) cross-linked polyacrylamide: 20~32%
3) urea: 20~45%
4) potassium dihydrogen phosphate: 20~40%
5) magnesium sulfate: 2.5~6%
6) surface-active auxiliary agent: 1~5%.Because the surface-active auxiliary component is to the stagnant green not directly effect in lawn, not the main contents of the stagnant green dose of invention in lawn, can select various surfactants such as polyoxyethylene, benzene sulfonic acid salt or amide-type commonly used on the market, the present invention does not limit the kind of surperficial coagent.
Lawn of the present invention stagnate green dose all applicable to warm-season turf and cold-season type lawn.During use, get stagnate green dose soluble in water, the green dose of ratio with water that stagnate is 1: 100-500, even spraying is on the lawn, stagnant green dose of usage amount on the lawn is 50-250 gram/mu.
Lawn of the present invention stagnates green dose and can slow down the warm-season turf chlorophyll degradation speed in the temperature decline process in the fall, make it to keep the long green time, can increase the resistance of cold-season type lawn to low temperature, the lawn blade that the minimizing chilling injury causes is withered and yellow, realizes that the four seasons on lawn are evergreen.
Description of drawings
Fig. 1 is for adopting the influence of green dose of processing to Manila Korea lawn grass chlorophyll content that stagnate of the present invention.
H is that the high-caliber green dose of processing (250g/ mu) that stagnate, M are that middle horizontal processing (100g/ mu), L are that low-level processing (50g/ mu), CTL do not have stagnant green dose contrast among Fig. 1.Stagnant green dose of processing time is October 28, and the lawn chlorophyll measuring time is December 12.
Embodiment
Below by specific embodiment technical scheme of the present invention is further described.
Embodiment 1
The percentage by weight of stagnant green dose of each component in lawn is: anti-ester 0.5%, and cross-linked polyacrylamide 25%, urea 40%, potassium dihydrogen phosphate 25%, magnesium sulfate 5% adds 4.5% sodium alkyl benzene sulfonate as the surface-active auxiliary agent.Make pulvis behind the mixing.
On warm-season turf (Manila Korea lawn grass), use the green dose of processing that stagnate October 28 (temperature is more than 18 ℃), the green dose of consumption that stagnate divides three levels, be respectively high level (250g/ mu), middle level (100g/ mu), low-level (50g/ mu), 25 kilograms of clear water of every mu of usefulness evenly spray in the lawn blade surface, if the clear water with amount is treated to contrast, normal turf management.Do not spray green dose the lawn of stagnating along with the decline of temperature, the lawn blade is withered and yellow rapidly, to November 12 turf quality promptly drop to and normally can accept below the turf quality (the grading index is 6, American National lawn evaluation index), to December 9 lawn all withered and yellow.Stagnant green dose of processing of three levels all can obviously slow down the withered and yellow process of blade that the lawn descends and caused because of temperature, up to November 26 lawn still reach normally and can accept turf quality, to December 12, it is green preferably that the lawn of treatment at high levels still keeps, and chlorophyll content still reaches 2.5mg/cm
2More than (Fig. 1), in, the low-level green dose of processing that stagnate also can keep a certain amount of chlorophyll content.Compared with the control, three kinds stagnated green dose of processing withered and yellow phase of lawn, equal deferrable Manila more than 14 days.
Embodiment 2
The percentage by weight of stagnant green dose of each component in lawn is: anti-ester 1.0%, and cross-linked polyacrylamide 25%, urea 40%, potassium dihydrogen phosphate 25%, magnesium sulfate 5% adds 4.0% washing powder as the surface-active auxiliary agent.Get in the distilled water that above component 100g is dissolved in 1kg, make aqua behind the mixing.
On cold-season type lawn (Festuca Arundinacea), (more than 15 ℃) use the green dose of processing that stagnate when the temperature autumn air temperature begins to descend, and the green dose of aqua consumption that stagnate is 1kg/ mu, after 25 kilograms of clear water dilutions of every mu of usefulness, evenly spray in the lawn blade surface normal turf management.November 7 for the first time cold air arrive, do not spray green dose the blade tip of tall fescue turf of stagnating and damaging to plants caused by sudden drop in temperature of part promptly occurred with withered and yellow, obviously descending appears in turf quality, and that the Festuca Arundinacea of the green dose of processing that stagnate is still a slice is emerald green; When temperature is by the end of December reduced to-4 ℃, it is substantially all withered and yellow that the contrast lawn is exposed to airborne acrial part blade, and the Festuca Arundinacea of the green dose of processing that stagnate to be blade tip 1-2cm place the part occurs damages to plants caused by sudden drop in temperature symptom, but lower blade is still kept normal green, can realize that substantially the four seasons of tall fescue turf are evergreen.
Embodiment 3
The percentage by weight of stagnant green dose of each component in lawn is: anti-ester 1.2%, and cross-linked polyacrylamide 30%, urea 20%, potassium dihydrogen phosphate 40%, magnesium sulfate 4.8% adds 4.0% sodium alkyl benzene sulfonate as the surface-active auxiliary agent.Make pulvis behind the mixing.
On cold-season type lawn (Festuca Arundinacea), (more than 15 ℃) use the green dose of processing that stagnate when the temperature autumn air temperature begins to descend, the green dose of consumption that stagnate is 100g/ mu, 25 kilograms of clear water of every mu of usefulness evenly spray in the lawn blade surface, every mu is spread fertilizer over the fields 10 kilograms in urea, normal turf management after one week of green dose of processing that stagnates.November 7 for the first time cold air arrive, do not spray green dose the blade tip of tall fescue turf of stagnating and damaging to plants caused by sudden drop in temperature of part promptly occurred with withered and yellow, obviously descending appears in turf quality, when temperature is reduced to-4 ℃, contrast lawn acrial part blade is substantially all withered and yellow; Stagnate green dose and add the tall fescue turf that vacation imposes urea and still can keep certain growth potential at low temperatures, symptom does not appear significantly damaging to plants caused by sudden drop in temperature under-4 ℃ temperature condition, prune under the management normal, the turf quality in whole winter all can maintain normally can be accepted more than the turf quality, has realized the evergreen and better quality of the four seasons of tall fescue turf.
Claims (3)
1, a kind of stagnant green dose of prolonging green period of lawn, the percentage by weight that it is characterized in that each component is: the anti-ester 0.25~1.25% of growth regulator, water-loss reducer cross-linked polyacrylamide 20~32%, urea 20~45%, potassium dihydrogen phosphate 20~40%, magnesium sulfate 2.5~6%, surface-active auxiliary agent 1~5%.
2, according to stagnant green dose of the prolongation green period of lawn of claim 1, it is characterized in that described surface-active auxiliary agent is the surfactant of polyoxyethylene, Sulfonates or amide-type.
3, a kind of using method of stagnant green dose of prolongation green period of lawn of claim 1, it is characterized in that getting stagnate green dose soluble in water, the green dose of ratio with water that stagnate is 1: 100-500, and even spraying is on the lawn, and the green dose of usage amount on the lawn that stagnate is 50-250 gram/mu.
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CNB2006100283307A CN100336451C (en) | 2006-06-29 | 2006-06-29 | Chemicals for prolonging green color of lawn |
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CN100336451C CN100336451C (en) | 2007-09-12 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104285622A (en) * | 2014-08-15 | 2015-01-21 | 华东师范大学 | Community establishment method for keeping warm-season type lawn evergreen in cold seasons |
CN107047007A (en) * | 2017-04-24 | 2017-08-18 | 广州熙地环境科技有限公司 | A kind of method that roof planting sedum lineare extends green period |
CN108605979A (en) * | 2018-04-19 | 2018-10-02 | 浦江县欧立生物技术有限公司 | Stagnant green dose of prolonging green period of lawn |
CN108812088A (en) * | 2018-04-25 | 2018-11-16 | 浙江师范大学 | A kind of maintenance process on garden landscape lawn |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1279228A (en) * | 2000-07-05 | 2001-01-10 | 夏宁 | Fertilizer for elongating green period of lawn |
US7135435B2 (en) * | 2002-12-27 | 2006-11-14 | Sepro Corporation | Plant growth regulation compositions and methods using gibberellin biosynthesis inhibitor combinations |
JP2004277346A (en) * | 2003-03-17 | 2004-10-07 | Arysta Lifescience Corp | Composition for suppressing differentiation of flower bud of japanese cedar and/or white cedar |
-
2006
- 2006-06-29 CN CNB2006100283307A patent/CN100336451C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104285622A (en) * | 2014-08-15 | 2015-01-21 | 华东师范大学 | Community establishment method for keeping warm-season type lawn evergreen in cold seasons |
CN107047007A (en) * | 2017-04-24 | 2017-08-18 | 广州熙地环境科技有限公司 | A kind of method that roof planting sedum lineare extends green period |
CN108605979A (en) * | 2018-04-19 | 2018-10-02 | 浦江县欧立生物技术有限公司 | Stagnant green dose of prolonging green period of lawn |
CN108812088A (en) * | 2018-04-25 | 2018-11-16 | 浙江师范大学 | A kind of maintenance process on garden landscape lawn |
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