CN104814012B - A kind of trunk whitewashing compositionss, the trunk whitewashing agent containing said composition and application - Google Patents
A kind of trunk whitewashing compositionss, the trunk whitewashing agent containing said composition and application Download PDFInfo
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Abstract
The present invention discloses a kind of trunk whitewashing compositionss, trunk whitewashing agent containing said composition and application, described compositionss are by hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer forms, in described ethylene-vinyl acetate copolymer, the percentage by weight of vinyl acetate is 70 95%, in described trunk whitewashing agent, the mass percent of described compositionss is 1 70%, remaining is adjuvant, the each group of this trunk whitewashing compositions has significant synergistic function between dividing, northern evergreen tree winter freezing injury can effectively be slowed down, day burn or stripping phenomenon generation, improve plant growth condition, compositionss in technical scheme or the trunk whitewashing agent containing said composition, each composition is environmentally friendly, steady quality, consumption is few, effect is obvious, wide accommodation, apply convenient and safe.
Description
Technical field
The present invention relates to tree whitening agent field is and in particular to a kind of trunk whitewashing compositionss, the tree containing said composition
Dry white-out agent and application.
Background technology
In urban landscaping, evergreen species can be scene dull autumn and winter season, increases color and life, but with
Southern area is different, and after evergreen species are transplanted to the north, can survive is less, and its reason mainly has following three points：First
It is to produce freeze injury, the northern area of China easily occurs extreme low temperature, the cooling of extreme day and extreme continuous cooling event, if the limit is low
The warm weather persistent period is long, the phenomenon arise that a lot of evergreen species frost bittens, freezing to death；Second is the wound that day burns to trunk
Evil, because the sunlight on daytime of north of china in winter irradiates strong, trunk sunny slope temperature rising, cell thawing, night temperatures decline, again weight
Newly freeze, one freezes a change repeatedly, will result in the death of trees dermal tissue, produce " day burns " phenomenon；3rd is stripping to branch
The injury causing, early spring ground temperature gos up slowly, and temperature luffing is big, and rainfall is few, northern area much wind dry weather, early spring tree body
Upper part runs into hot weather and is easy for breaking dormancy, but soil layer is still in sharp freezing state, root water uptake ability, root system
The moisture absorbing can not meet the rising needs of plant, lead to plant Water content of branch degradation, lead to plant stripping phenomenon
Generation.So, evergreen species are in the north because occurring freeze injury, day to burn and stripping phenomenon leads to that large area trunk is withered to die
Phenomenon is very universal.
At present, trunk survives the winter protection major measure for being wound around straw rope and trunk whitewashing, but is wound around straw rope and occurs in that many
Drawback, the straw rope being such as wound around provides, for insect, environment of surviving the winter, and coming year insect pest increases, and straw rope is wound around artificial and material cost height.
So mostly carrying out protection of surviving the winter at present by the way of trunk whitewashing, trunk whitewashing is it is therefore an objective to prevention and elimination of disease and pests and delay are set
Wooden rudiment, it is to avoid harm of burning day, in the continental climate area that sunshine, temperature change are violent, whitewashes and can weaken trees on the ground
Partially absorb solar radiant heat, thus postponing the sprouting period of bud, whitewashing and can reflect sunlight, it is to avoid the local of branch humidity is increased,
Thus can effectively prevent harm of burning day；May also function as necessarily preventing and treating trunk borer, skin ulcer disease etc.；Whitewash highly consistent woods
Wood more gives people a kind of neat unique aesthetic feeling, and tree whitening is beautified the environment and reduced road traffic accident.
Traditional trunk whitewashing agent is that quick lime adds water ripening, adds water and makes lime cream, then pour into after adding oils and fatss stirring
Lime sulfur stock solution and saline, after being sufficiently stirred for, are applied on trunk.But it is primarily present following after traditional white-out agent use
Four major problem：1st, traditional white-out agent quality is unstable, and raw material is mineral composition, and fineness is poor, free settling, and can only use a large amount of people
Work is brushed, and layer thickness uniformity is poor；2nd, viscosity is poor, and film property is poor, the phenomenon of easily cracking peeling, guard time
Short it is often necessary to brushing more than 2 times；3rd, effective ingredient is single, and heat and moisture preserving effect is poor, simply can only play the effect of whitewashing,
Effect of burning freeze proof, anti-day is limited；4th, traditional white-out agent alkalescence is stronger, uses year after year, is easily caused or increases root soil salinization of soil,
Particularly northern area is using limited；5th, traditional fungi-proofing effect of white-out agent insect protected is poor, and most of pesticide active ingredient is in alkalescence
Easy decomposition failure under partially strong environment, so cannot add farm chemical ingredients when applying.
Therefore it provides a kind of steady quality, be effectively reduced because freeze injury, burn day and stripping and lead to plant mortality,
Plant growth condition can be improved, and easy to use, consumption is few, environment amenable tree whitening agent, has important reality
Meaning.
Content of the invention
In view of this, the application provides a kind of trunk whitewashing compositionss, the trunk whitewashing agent containing said composition and application,
The each group of this trunk whitewashing compositions has significant synergistic function between dividing, and can effectively slow down northern evergreen tree and survive the winter
Freeze injury, day burn or stripping phenomenon generation, improve plant growth condition, the compositionss in technical scheme or contain this group
The trunk whitewashing agent of compound, each composition is environmentally friendly, steady quality, and consumption is few, and effect is obvious, wide accommodation, administration side
Just safety.
For solving above technical problem, the technical scheme that the present invention provides is a kind of trunk whitewashing compositionss, described combination
Thing is made up of hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer, in described ethylene-vinyl acetate copolymer, acetic acid second
The percentage by weight of alkene is 70 95%.
Preferably, in described compositionss, hydroxypropyl methyl cellulose, the mass ratio of ethylene-vinyl acetate copolymer are 1：
(0.2—60).
It is more highly preferred to, in described compositionss, hydroxypropyl methyl cellulose, the mass ratio of ethylene-vinyl acetate copolymer
For 1：20.
Technical scheme also provides a kind of trunk whitewashing agent containing above-mentioned composition, in described trunk whitewashing agent,
The mass percent of described compositionss is 1 70%, and remaining is adjuvant.
Preferably, in described trunk whitewashing agent, the mass percent of described compositionss is 5 50%, and remaining is adjuvant.
It is more highly preferred to, in described trunk whitewashing agent, the mass percent of described compositionss is 5 30%, supplemented by remaining
Material.
Preferably, based on the percent accounting for trunk whitewashing agent gross mass, in described compositionss, hydroxypropyl methyl cellulose is
0.1 10%, ethylene-vinyl acetate copolymer is 1 60%, and described adjuvant is 1 20% by precipitated calcium carbonate, and bentonite is
1 10%, sodium lignin sulfonate is 1 5%, and polyvinyl alcohol is 1 5%, and the group of balance of ground calcium carbonate is grouped into.
Preferably, based on the percent accounting for trunk whitewashing agent gross mass, in described compositionss, hydroxypropyl methyl cellulose is
0.1 5%, ethylene-vinyl acetate copolymer is 1 20%, and described adjuvant is 1 50% by precipitated calcium carbonate, and bentonite is
1 5%, Kazon is 0.1 2%, and alkyl naphthalene sulfonic acid condensation polymer sodium salt is 1 5%, and ethylene glycol is 1 5%, balance of water
Group is grouped into.
Preferably, based on the percent accounting for trunk whitewashing agent gross mass, in described compositionss, hydroxypropyl methyl cellulose is
0.1 10%, ethylene-vinyl acetate copolymer is 2 30%, and described adjuvant is 1 50% by precipitated calcium carbonate, polyvinyl alcohol
Powder is 1 5%, and sodium polyacrylate is 1 10%, and glycerol is 1 5%, and Kazon is 0.1 2%, the component of balance of water
Composition.
Technical scheme also provides a kind of above-mentioned trunk whitewashing compositionss or trunk whitewashing agent for afforestation
Seeds, fruit tree or seedling overwintering tree trunk spray coating, the application that raising trees freezing tolerance, mitigation day burn or stripping injures.
Wherein, herein described ethylene-vinyl acetate copolymer is redispersable latex powder, vinyl acetate percentage by weight
It is preferred that vinyl acetate percentage by weight is between 80 90% between 70 95%, it is that a kind of water solublity is redispersible
Powder, the powder adhesive made after spray drying, using polyvinyl alcohol as protecting colloid.This powder body after contact with water may be used
Emulsion is become with redispersion quickly.Similar also has vinyl acetate-versatic acid ethylene copolymer, polyvinylacetate-acrylic copolymer
Deng the redispersable latex powder being formed.
In technical scheme, trunk whitewashing agent need to be processed as certain dosage form, such as powder, aqueous suspension agent or paste.
Wherein, powder is one kind of the formulations of pesticide, and it is that one or more medicament be blended with filler and a small amount of auxiliary agent, powder
Broken remix to the powderous preparations of certain fineness, can be used directly, or use after adding appropriate filler or some auxiliary dilution agents,
Have the advantages that easy to use, powder is thin, can be uniformly distributed, dissemination efficiency is high, save labour force and processing charges is relatively low.This Shen
Please the preparation method of trunk whitewashing agent powder be：Trunk whitewashing compositionss and the adjuvant mixing of the application offer are provided, pulverize, then mix
Close, obtain final product.
Wherein, aqueous suspension agent is the water baseization preparation being processed into by auxiliary agents such as effective ingredient, carriers, has advantages below：
No dust harzard, to operator and Environmental security；With water as disperse medium, do not asked by the inflammable and poisoning that organic solvent produces
Topic；Liquid suspension spreads the place being well watered inconvenience in arid in water, can direct spraying use；Ratio is great, package body
Long-pending little.The preparation method of the application trunk whitewashing agent aqueous suspension agent is：Trunk whitewashing compositionss and the adjuvant of the application offer are provided
Mixing, dispersion, sand milling, obtain final product.
Wherein, paste, also known as unguentum, is a kind of semisolid paste-like preparation of pesticide and field of medicaments, and paste is former by solid-state
Medicine, dispersing aid, liquid matrix etc. process together, have good dispersibility and uniformity, the multiplex water of liquid matrix, many
Directly smear use, save medicament.The preparation method of the application trunk whitewashing agent paste is：Take the trunk whitewashing that the application provides
Compositionss and adjuvant mixing, dispersion, obtain final product.
In application technical scheme, hydroxypropyl methyl cellulose and ethylene-vinyl acetate copolymer are processed into preparation, spray
After being coated onto plant trunk of surviving the winter, the excellent thickening of hydroxypropyl methyl cellulose, film forming, dispersion, protecting colloid, keep moisture, viscous
Closing performance enables ethylene-vinyl acetate copolymer to be uniformly dispersed inside white-out agent, is brushed to adhesiveness, levelability after trunk
More preferably；Ethylene-vinyl acetate copolymer utilizes its excellent heat-insulated, insulation, cold-proof and cryogenic property, makes hydroxypropyl methyl fiber
Element also can play its film forming and water retention property in severe cold with tanning by the sun.
By the spray test to trunk of surviving the winter, result shows the trunk whitewashing compositionss phase that technical scheme provides
For hydroxypropyl methyl cellulose single dose, ethylene-vinyl acetate copolymer single dose, there is significant synergistic function,
Be effectively reduced because freeze injury, day burn and stripping and lead to plant mortality, plant growth condition can be improved.
Additionally, technical scheme provide trunk whitewashing compositionss, raw materials used medicine or adjuvant in trunk whitewashing agent
All can be buied by market.Wherein, hydroxypropyl methyl cellulose is purchased from Sino-German Chemical Co., Ltd. of Wenan County；Ethene-vinyl acetate
Copolymer is purchased from German Wacker Chemical Stock Co., Ltd, model WACKER VINNAPAS 328；
Precipitated calcium carbonate is purchased from Dujiangyan City Yun Yigai industry Co., Ltd；Ground calcium carbonate is purchased from Wenchuan County new bridge ore deposit
Industry company limited；Bentonite gives greatly bentonite mining industry company limited purchased from Sichuan Province Santai County；Sodium polyacrylate is purchased from Guangzhou and holds in the palm
Li Te Chemical Co., Ltd.；Sodium lignin sulfonate is purchased from Norway Bao Lige；Ethylene glycol is purchased from Jinan Hui Shi Chemical Co., Ltd.；Alkane
Base LOMAR PWA EINECS 246-676-2 condensation polymer sodium salt is purchased from Dutch Akzo Nobel N.V.；Kazon is purchased from Guangzhou Di Mei bio tech ltd；
Polyvinyl alcohol is purchased from SINOPEC Sichuan Vinylon Factory；Glycerol is purchased from Chengdu ten thousand and believes Chemical Co., Ltd.；Water is pure
Water, is produced by reverse osmosis equipment.
Compared with prior art, its detailed description is as follows for the application：
First, the trunk whitewashing compositionss that technical scheme provides or trunk whitewashing agent raw material sources are stable, product ring
Border is friendly, the mature production technology of hydroxypropyl methyl cellulose and ethylene-vinyl acetate copolymer, and effective ingredient is degradable,
Remain low in soil, safety, environmental friendliness will not be applied to environment；Product fineness is high, suspensibility is preferable, can be straight
Sprayed after connecing or being watered, coating uniform, effect stability.
2nd, the trunk whitewashing agent consumption that technical scheme provides is few, and substantially, this trunk whitewashing agent adopts organic effect
Polymer is effective ingredient, has broken the limitation with simple inorganic mineral as effective ingredient for traditional white-out agent, and it is breathed freely
Property, opacifying property, warmth retention property and bulkiness more conventional trunk whitewashing agent more preferably, Organic substance adhesiveness is good, difficult for drop-off after being dried, resistance to
Time property preferably, only need to spray once, effect is good, low cost for 1 year.
3rd, technical scheme provides trunk whitewashing compositionss or trunk whitewashing agent are in neutral or alkalescence, permissible
Chronic administration, will not increase the salinization of soil of soil, applied widely；The agricultures such as parasite killing, sterilization can be added as needed in this product
Medicine, does not result in the decomposition of pesticide active ingredient, and prevention effect is stable.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
Embodiment one
The trunk whitewashing compositionss of different quality proportioning
The hydroxypropyl methyl cellulose (I) of mass ratio in table 1, ethylene-vinyl acetate copolymer (II) is taken uniformly to mix respectively
Close, obtain final product the trunk whitewashing compositionss of technical scheme.
The trunk whitewashing compositionss of table 1 different quality proportioning
| Numbering | Hydroxypropyl methyl cellulose quality/g | Ethylene-vinyl acetate copolymer quality/g | Compositionss (I, II) mass ratio |
| A | 10 | 10 | 1:1 |
| B | 10 | 30 | 1:3 |
| C | 10 | 50 | 1:5 |
| D | 10 | 100 | 1:10 |
| E | 10 | 150 | 1:15 |
| F | 10 | 200 | 1:20 |
| G | 10 | 300 | 1:30 |
| H | 10 | 450 | 1:45 |
| I | 10 | 600 | 1:60 |
| J | 10 | 3 | 1:0.3 |
| K | 10 | 2 | 1:0.2 |
Embodiment two
Elaeocarpus decipiens survives the winter brushing tests
Test is divided into matched group and test group, and wherein matched group is divided into I single dose matched group, II single dose matched group, commercially available right
According to group, clear water matched group.
The medicament of I single dose matched group is：Take hydroxypropyl methyl cellulose 10g, add ground calcium carbonate to complement to 1000g,
Mixing, numbering is 1.
The medicament of II single dose matched group is：Take respectively ethylene-vinyl acetate copolymer 10g, 30g, 50g, 100g, 150g,
200g, 300g, 450g, 600g, 3g, 2g, add ground calcium carbonate to complement to 1000g, and mixed medicament is compiled by mixing respectively
Number be 2 12.
The medicament of commercially available matched group is commercially available trunk whitewashing agent.
Test group：The trunk whitewashing compositionss A K that Example one is provided, is separately added into ground calcium carbonate and complements to
1000g, mixing, prepared test group medicament, numbering respectively is a k.
Test site：Henan Province Kaifeng, test trees be Nanyang City, Henan Province heel in observation 1 year after transplant again to
The Elaeocarpus decipiens of Kaifeng, the diameter of a cross-section of a tree trunk 1.3 meters above the ground about 10cm, test adopts random alignment, and other agronomic measures are routinely carried out.
Test method：In on November 3rd, 2013 respectively by test group, the first matched group, the second matched group, the 3rd matched group
Medicament in mass ratio 1：1 is watered, and after stirring, is uniformly painted on the Elaeocarpus decipiens trunk surface after transplanting, brushing height be away from
1.2 meters from the ground, brushing thickness is calculated according to the trunk diameter of a cross-section of a tree trunk 1.3 meters above the ground, brushing thickness is watered brushing 1m with the corresponding medicament of 1000g2Bark is
Accurate；Burn and stripping situation in the freeze injury of May in 2014 statistical test Elaeocarpus decipiens on the 15th, day, result of the test such as table 3.
1st, test Elaeocarpus decipiens is subject to freeze injury condition survey
According to field investigation situation and freeze injury light and heavy degree, Elaeocarpus decipiens freeze injury performance is divided into 5 grades (being shown in Table 2).Field is adjusted
The data obtaining after looking into is arranged, and calculates the extent of injury of freeze injuries at different levels respectively, to accurately reflect the degree of freeze injury.
Table 2 Elaeocarpus decipiens freeze injury grade scale
The impact to Elaeocarpus decipiens freeze injury for table 3 different disposal
As shown in Table 3, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethyl vinyl acetate
Ethylene copolymer single dose and Elaeocarpus decipiens trunk handled by the trunk whitewashing agent of commercially available routine, suffer from freeze injury slighter.Result shows when painting
The medicament of brush same dose effective ingredient when Elaeocarpus decipiens trunk, hydroxypropyl methyl cellulose, the joining of ethylene-vinyl acetate copolymer
Than for 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing compositionss compare hydroxyl
Propyl methocel, ethylene-vinyl acetate copolymer single dose and commercially available routine trunk whitewashing agent antifreezing effect are more preferable.Data shows
Show hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer under the mass ratio of technical scheme, for Elaeocarpus decipiens
Survive the winter and antifreeze there is synergistic function, especially when the mass ratio of hydroxypropyl methyl cellulose and ethylene-vinyl acetate copolymer
Example is 1:When 20, potentiation is the most obvious, is the preferred version of the application.
2nd, test Elaeocarpus decipiens is by day bright condition survey
The light and heavy degree being burnt according to field test investigation and generation day, performance of being burnt Elaeocarpus decipiens day is divided into 5 grades (to be shown in Table
4).The data obtaining after field investigation is arranged, calculates the extent of injury burnt days at different levels respectively, met with accurately reflecting tree body
The degree burnt by day.
Day, bright formula of index was：
Burn table 4 Elaeocarpus decipiens day grade scale
| Rank | Harm (trunk) |
| 0 grade | There is not phenomenon of burning day in trunk |
| 1 grade | The local light discolouration or coarse of trunk cortex |
| 2 grades | Trunk cortex drying shrinkage is dead, and area is less than the 1/4 of trunk girth area |
| 3 grades | Trunk cortex drying shrinkage is dead, and area is less than the 1/3 of trunk girth area |
| 4 grades | Trunk cortex Large Scale Death, cortex comes off, and burns serious |
Burn table 5 Elaeocarpus decipiens day harmful situation
As shown in Table 5, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethyl vinyl acetate
Ethylene copolymer single dose and Elaeocarpus decipiens trunk handled by the trunk whitewashing agent of commercially available routine, suffering from burning day, it is slighter to endanger.Result shows
When brushing same dose effective ingredient medicament in Elaeocarpus decipiens trunk constantly, hydroxypropyl methyl cellulose, ethene-vinyl acetate copolymerization
The proportioning of thing is 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing combination
Thing prevents, than hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer single dose and the trunk whitewashing agent of commercially available routine, harm of burning day
Effect more preferable.Data display hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer are in the quality of technical scheme
Under ratio, for harm of burning the day preventing Elaeocarpus decipiens, there is synergistic function, especially when hydroxypropyl methyl cellulose and ethylene-vinegar
The mass ratio of sour ethylene copolymer is 1:When 20, potentiation is the most obvious, is the preferred version of the application.
3rd, stripping condition survey
According to field investigation situation and stripping light and heavy degree, Elaeocarpus decipiens stripping situation is divided into 5 grades (being shown in Table 6).Field is adjusted
The data obtaining after looking into is arranged, and calculates the extent of injury of strippings at different levels respectively, to accurately reflect the harm to trees for the stripping
Degree.
Stripping formula of index is：
Table 6 Elaeocarpus decipiens stripping hazard level
| Rank | Harm (terminal bud, branch) |
| 0 grade | 1 year raw branch and terminal bud are no drained and no withered |
| 1 grade | Within raw branch is drained below 15cm or is drained 1/4 within 1 year |
| 2 grades | Raw branch is drained 15-30cm or is drained 1/4-1/3 within 1 year |
| 3 grades | Raw branch is drained more than 30cm or is drained 1/3-3/4 within 1 year |
| 4 grades | Raw branch is drained more than 3/4 or is drained to full tree within 1 year |
The stripping situation that the different trunk whitewashing agent of table 7 is processed
As shown in Table 7, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethyl vinyl acetate
Ethylene copolymer single dose and Elaeocarpus decipiens trunk handled by the trunk whitewashing agent of commercially available routine, suffer from stripping harm slighter.Result shows
When the medicament of brushing same dose effective ingredient is in Elaeocarpus decipiens trunk, hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer
Proportioning be 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing compositionss
Prevent stripping harm effect than hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer single dose and the trunk whitewashing agent of commercially available routine
Fruit is more preferably.Data display hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer are in the mass ratio of technical scheme
Under, the stripping preventing Elaeocarpus decipiens is endangered there is synergistic function, especially when hydroxypropyl methyl cellulose and ethyl vinyl acetate second
The mass ratio of alkene copolymer is 1:When 20, potentiation is the most obvious, is the preferred version of the application.
Embodiment three
Citrus are survived the winter brushing tests
Test is divided into matched group and test group, and wherein matched group is divided into I single dose matched group, II single dose matched group, commercially available right
According to group, clear water matched group.
The medicament of I single dose matched group is：Take hydroxypropyl methyl cellulose 10g, add ground calcium carbonate to complement to 1000g,
Mixing, numbering is 1.
The medicament of II single dose matched group is：Take respectively ethylene-vinyl acetate copolymer 10g, 30g, 50g, 100g, 150g,
200g, 300g, 450g, 600g, 3g, 2g, add ground calcium carbonate to complement to 1000g, and mixed medicament is compiled by mixing respectively
Number be 2 12.
The medicament of commercially available matched group is commercially available trunk whitewashing agent.
Test group：The test group medicament a k of embodiment two is used for the present embodiment.
Test site：Shaanxi Province's Hanzhong City, test fruit tree is city No. 02 Citrus of honey in local plantation, the diameter of a cross-section of a tree trunk 1.3 meters above the ground about 10cm.
Test adopts random alignment, and other agronomic measures are routinely carried out.
Test method：In on November 10th, 2013 respectively by test group, the first matched group, the second matched group, the 3rd comparison
The medicament in mass ratio 1 of group：1 is watered, and after stirring, is uniformly painted on the Citrus trunk after transplanting, brushing height is distance
0.8 meter of ground, calculates brushing thickness according to the trunk diameter of a cross-section of a tree trunk 1.3 meters above the ground, and brushing thickness is watered, with the corresponding medicament of 700g, the medicament brushing preparing
1m2Trunk is defined；Burn and stripping situation in the freeze injury of April in 2014 statistical test Citrus on the 21st, day.
1st, test Citrus are subject to freeze injury condition survey
According to field investigation situation and freeze injury light and heavy degree, Citrus freeze injury performance is divided into 5 grades (being shown in Table 8).Field is adjusted
The data obtaining after looking into is arranged, and calculates the extent of injury of freeze injuries at different levels respectively, to accurately reflect the degree of freeze injury.
Table 8 Citrus freeze injury grade scale
The impact to Citrus freeze injury for table 9 different disposal
As shown in Table 9, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethyl vinyl acetate
Ethylene copolymer single dose and Citrus trunk handled by the trunk whitewashing agent of commercially available routine, suffer from freeze injury slighter.Result shows when painting
The medicament of brush same dose effective ingredient when Citrus trunk, hydroxypropyl methyl cellulose, the joining of ethylene-vinyl acetate copolymer
Than for 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing compositionss compare hydroxyl
Propyl methocel, ethylene-vinyl acetate copolymer single dose and commercially available routine trunk whitewashing agent antifreezing effect are more preferable.Data shows
Show hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer under the mass ratio of technical scheme, for Citrus
Survive the winter and antifreeze there is synergistic function, especially when the mass ratio of hydroxypropyl methyl cellulose and ethylene-vinyl acetate copolymer
Example is 1:When 20, potentiation is the most obvious, is the preferred version of the application.
2nd, test Citrus are by day bright condition survey
The light and heavy degree being burnt according to field investigation situation and generation day, performance of being burnt Citrus day is divided into 5 grades (being shown in Table 10).Will
The data obtaining after field investigation is arranged, and calculates the extent of injury burnt days at different levels respectively, suffers from day to accurately reflect tree body
Bright degree.
Day, bright formula of index was：
Burn table 10 Citrus day grade scale
| Rank | Trunk |
| 0 grade | There is not phenomenon of burning day in trunk |
| 1 grade | The local light discolouration or coarse of trunk cortex |
| 2 grades | Trunk cortex drying shrinkage is dead, and area is less than the 1/4 of trunk girth area |
| 3 grades | Trunk cortex drying shrinkage is dead, and area is less than the 1/3 of trunk girth area |
| 4 grades | Trunk cortex Large Scale Death, cortex comes off, and burns serious |
Burn table 11 Citrus day harmful situation
As shown in Table 11, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethylene-vinegar
Sour ethylene copolymer single dose and Elaeocarpus decipiens trunk handled by the trunk whitewashing agent of commercially available routine, suffering from burning day, it is slighter to endanger.Result shows
Show when the medicament of brushing same dose effective ingredient is in Elaeocarpus decipiens trunk, hydroxypropyl methyl cellulose, ethene-vinyl acetate copolymerization
The proportioning of thing is 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing combination
Thing prevents, than hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer single dose and the trunk whitewashing agent of commercially available routine, harm of burning day
Effect more preferable.Data display hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer are in the quality of technical scheme
Under ratio, for harm of burning the day preventing Citrus, there is synergistic function, especially when hydroxypropyl methyl cellulose and ethylene-vinegar
The mass ratio of sour ethylene copolymer is 1:When 20, potentiation is the most obvious, is the preferred version of the application.
3rd, stripping condition survey
According to field investigation situation and stripping light and heavy degree, Elaeocarpus decipiens stripping situation is divided into 5 grades (being shown in Table 12).Field is adjusted
The data obtaining after looking into is arranged, and calculates the extent of injury of strippings at different levels respectively, to accurately reflect the harm to trees for the stripping
Degree.
Stripping formula of index is：
Table 12 Citrus stripping hazard level
| Rank | Harm |
| 0 grade | 1 year raw branch and terminal bud are no drained and no withered |
| 1 grade | Within raw branch is drained below 15cm or is drained 1/4 within 1 year |
| 2 grades | Raw branch is drained 15-30cm or is drained 1/4-1/3 within 1 year |
| 3 grades | Raw branch is drained more than 30cm or is drained 1/3-3/4 within 1 year |
| 4 grades | Raw branch is drained more than 3/4 or is drained to full tree within 1 year |
The stripping situation that the different trunk whitewashing agent of table 13 is processed
As shown in Table 13, compared with clear water comparison, test group (a k) is compared with hydroxypropyl methyl cellulose single dose, ethylene-vinegar
Sour ethylene copolymer single dose and Citrus trunk handled by the trunk whitewashing agent of commercially available routine, suffer from stripping harm slighter.Result shows
Show when the medicament of brushing same dose effective ingredient is in Citrus trunk, hydroxypropyl methyl cellulose, ethene-vinyl acetate copolymerization
The proportioning of thing is 1:3、1:5、1:10、1:15、1:20、1:30、1:45、1:60、1:1、1:0.3、1:0.2 trunk whitewashing combination
Thing prevents stripping from endangering than hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer single dose and the trunk whitewashing agent of commercially available routine
Effect is more preferable.Data display hydroxypropyl methyl cellulose, ethylene-vinyl acetate copolymer are in the mass ratio of technical scheme
Under example, the stripping preventing Citrus is endangered there is synergistic function, especially when hydroxypropyl methyl cellulose and ethyl vinyl acetate
The mass ratio of ethylene copolymer is 1:When 20, potentiation is the most obvious, is the preferred version of the application.In an experiment, lead to
Cross observation display test group medicament and harmful effect is not produced to crop, and to beneficial insect safety.
Example IV
A kind of trunk whitewashing agent, is obtained using component each in technical scheme and quality proportioning, and dosage form is powder：
Its preparation method is：Take the example mixing in mass ratio of above-mentioned each component, pulverize, remix, obtain final product.
Embodiment five
A kind of trunk whitewashing agent, is obtained using component each in technical scheme and quality proportioning, and dosage form is aqueous suspension
Agent：
Its preparation method is：Take the example mixing in mass ratio of above-mentioned each component, dispersion, sand milling, obtain final product.
Embodiment six
A kind of trunk whitewashing agent, is obtained using component each in technical scheme and quality proportioning, and dosage form is paste：
Its preparation method is：Take the example mixing in mass ratio of above-mentioned each component, dispersion, obtain final product.
The above is only the preferred embodiment of the present invention it is noted that above-mentioned preferred implementation be not construed as right
The restriction of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of trunk whitewashing compositionss it is characterised in that：Described compositionss are by hydroxypropyl methyl cellulose, ethyl vinyl acetate second
Alkene copolymer forms, and hydroxypropyl methyl cellulose is 1 with the mass ratio of ethylene-vinyl acetate copolymer：20, described ethylene-vinegar
In sour ethylene copolymer, the percentage by weight of vinyl acetate is 70 95%.
2. a kind of trunk whitewashing agent containing compositionss described in claim 1 it is characterised in that：In described trunk whitewashing agent, institute
The mass percent stating compositionss is 1 70%, and remaining is adjuvant.
3. a kind of trunk whitewashing agent according to claim 2 it is characterised in that：In described trunk whitewashing agent, described combination
The mass percent of thing is 5 50%, and remaining is adjuvant.
4. a kind of trunk whitewashing agent according to claim 2 it is characterised in that：In described trunk whitewashing agent, described combination
The mass percent of thing is 5 30%, and remaining is adjuvant.
5. a kind of trunk whitewashing agent according to any one of claim 24 it is characterised in that：By accounting for, trunk whitewashing agent is total
The percent meter of quality, in described compositionss, hydroxypropyl methyl cellulose is 0.1 10%, and ethylene-vinyl acetate copolymer is
1 60%, described adjuvant is 1 20% by precipitated calcium carbonate, and sodium lignin sulfonate is 1 5%, and polyvinyl alcohol is 1 5%,
Bentonite is 1 10%, and the group of balance of ground calcium carbonate is grouped into.
6. a kind of trunk whitewashing agent according to any one of claim 24 it is characterised in that：By accounting for, trunk whitewashing agent is total
The percent meter of quality, in described compositionss, hydroxypropyl methyl cellulose is 0.1 5%, and ethylene-vinyl acetate copolymer is
1 20%, described adjuvant is 1 50% by precipitated calcium carbonate, and bentonite is 1 5%, and Kazon is 0.1 2%, alkylnaphthalene sulphur
Sour condensation polymer sodium salt is 1 5%, and ethylene glycol is 1 5%, and the group of balance of water is grouped into.
7. a kind of trunk whitewashing agent according to any one of claim 24 it is characterised in that：By accounting for, trunk whitewashing agent is total
The percent meter of quality, in described compositionss, hydroxypropyl methyl cellulose is 0.1 10%, and ethylene-vinyl acetate copolymer is
2 30%, described adjuvant is 1 50% by precipitated calcium carbonate, and pva powder is 1 5%, and sodium polyacrylate is 1
10%, glycerol is 1 5%, and Kazon is 0.1 2%, and the group of balance of water is grouped into.
8. trunk whitewashing compositionss described in claim 1, for Landscape Trees, fruit tree or seedling overwintering tree trunk spray coating, carry
The application that high trees freezing tolerance, mitigation day burn or stripping injures.
9. trunk whitewashing agent described in any one of claim 27 is for the spray of Landscape Trees, fruit tree or seedling overwintering trunk
Apply, the application that raising trees freezing tolerance, mitigation day burn or stripping injures.
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| CN106258647A (en) * | 2016-08-05 | 2017-01-04 | 广东龙湖科技股份有限公司 | A kind of method utilizing cement mortar that trees are protected |
| CN106634281B (en) * | 2016-12-27 | 2020-07-17 | 重庆市风景园林科学研究院 | Environment-friendly transparent coating drying agent for trees and preparation method thereof |
| CN108690422B (en) * | 2017-04-06 | 2021-03-23 | 湖北省农业科学院果树茶叶研究所 | Peach tree coating and drying agent, and preparation method and application thereof |
| CN107474743A (en) * | 2017-08-29 | 2017-12-15 | 天津市瀚葳园林植物保护技术有限公司 | A kind of sun-proof white-out agent of antifreeze summer in plant trunk winter |
| CN107896803A (en) * | 2017-12-21 | 2018-04-13 | 安庆市枞阳县阳和苗圃 | A kind of means of defence in smoke tree seedling winter |
| CN111066545B (en) * | 2020-01-02 | 2022-01-14 | 广州普邦园林股份有限公司 | Method for preventing Duying transplantation ulcer disease |
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