CN105010308A - Insect disease prevention covering agent for plants and preparation method therefor - Google Patents
Insect disease prevention covering agent for plants and preparation method therefor Download PDFInfo
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- CN105010308A CN105010308A CN201510387896.8A CN201510387896A CN105010308A CN 105010308 A CN105010308 A CN 105010308A CN 201510387896 A CN201510387896 A CN 201510387896A CN 105010308 A CN105010308 A CN 105010308A
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Abstract
The invention belongs to the technical field of insect disease prevention of plants and particularly relates to an insect disease prevention covering agent for the plants and a preparation method therefor. The covering agent is prepared from the following ingredients in percentage by weight: 30-35% of methacrylate-acrylic copolymer mixture and 65-70% of water. The preparation method comprises the following steps: (1) preparing a methacrylate-acrylic copolymer emulsion; (2) preparing the methacrylate-acrylic copolymer mixture; and (3) preparing the finished product. According to the insect disease prevention covering agent for the plants and the preparation method therefor, by adopting a biofilm physical pest control method, the problem of pesticide residue of crops such as fruits, vegetables and the like is solved, heavy-pollution and high-pesticide-residue chemical pest control methods are thoroughly rejected, pesticide pollution is eliminated, and meanwhile, the quality of the crops such as the fruits, the vegetables and the like is improved, so that farmers can produce real green and pollution-free fruits and vegetables.
Description
Technical field
The invention belongs to plant pest management technical field, particularly relate to Plants prevention and elimination of disease and pests covering and preparation method thereof.
Background technology
Damage by disease and insect is one of natural calamity of serious harm agricultural production, and plant pest not only can cause the minimizing of crop yield, and to a certain extent also serious threat to the quality safety of agricultural product and international trade thereof.Have in history much because of large area outburst and the popular event bringing major disaster to the mankind of plant disease.
The protecting field facilities such as winter brooder and greenhouse are that canopy is planted growing of vegetables and created suitable microclimate conditions, provide good environment also to twin, the breeding of vegetable-crop pest-insect and harm simultaneously.Since the 1980s; along with the fast development that vegetable at protected field is produced; the species survey of insect, quantity and the extent of injury have had obvious increase; and increasingly rampant, the kind of vegetable-crop pest-insect mainly contains Trialeurodes vaporariorum Westwood, Americal rice leaf miner, aphid, yellow tea mite, dish tetranychid, cotton bollworm, diamond-back moth, fragrant-flowered garlic maggot etc.Again due to for a long time, scientific guidance is lacked during people's pest control, undue dependence chemical pesticide, bringing out insect improves pesticide resistance on the one hand, adds the difficulty of effectively control, kill and wound Natural Enemies of Insects to a certain extent on the other hand, destroy the ecological balance, also improve the residue of pesticide content of victual simultaneously, reduce quality, have a strong impact on foreign exchange earning and the market access of vegetables, cause huge economic loss to numerous vegetable growers.
Along with the development of China's agricultural, output and the usage amount of agricultural chemicals increase year by year.According to statistics, within 2014, China produces agricultural insecticide 56.2 ten thousand tons, disinfectant use in agriculture 23.0 ten thousand tons.Widely using of agricultural chemicals, brings huge interests to agricultural on the one hand, causes serious environmental pollution on the other hand.Spill agricultural chemicals long-term existence to farmland in soil, enter biological tissue simultaneously, and transmit migration in food chain, finally pass to the mankind, cause serious threat to the healthy of the mankind; On the other hand, while using chemical pesticide control damage by disease and insect, killing insect pest, also kill the natural enemy of insect, insect is spread unchecked more, and adds pesticide resistance.
In recent years, the quality-improving of vegetables and fruit is advancing always, such as: in order to prevent, driving away disease and insect to carry out pesticide spraying, for the agricultural chemicals of prevention and expeling disease and insect contains harmful composition.
In addition, apple and pear and other fruits, in order to insect protected, the object such as color optimizing fruit, adopt paper material to cover the bagging of fruit, cover bag operation, owing to being adopt paper bag to wrap up fruit singly, with rope constraint fruit root, very miscellaneous, particularly inherently break because the fruit one of fruit grows sack, so the every secondary growth of fruit all must carry out repeatedly, its amount of labour is large, and cost is very high.
The plant of vegetables and fruit etc., from root absorption nutrient, stores sugar and starch because of carbonic acid assimilation.Till now, containing the composition be necessary in the soil of planting, because recycle, necessary composition is absorbed from soil by plant, even if manure use material, because nutrient is not enough in continuous cropping soil all the year round, add mineral deficiency, pathogen is many and disease and insect occurs.Under these circumstances, because produce the plant of easily sick easily insect pest, so in order to remove disease and insect, have to use agricultural chemicals; Usually that mineral matter is deficient in nearest soil, local flavor and sweet taste is lacked in the taste of vegetables and fruit, just effect is lacked if provided by the composition of compost, particularly greenhouse gardening increases, and chemical fertilizer is employed, and just a bit lacks along with mineral matter, if mineral composition is sufficient, just flavoursome, just soft, just nice when eating vegetables, but if mineral composition is not enough, just firmly, be not just very good eating.
At present, in order to supplementary mineral matter, there is the leaf surface adopting and the dilution of seawater fresh water is sprayed at plant, directly mineral composition is supplemented from blade face, make the method that it absorbs, the seawater of sprinkling is not easy to be absorbed by leaf, dissolves and run off because raining, so one rainfall event just needs to re-start sprinkling, its cost is higher.
Prevent damage by disease and insect with chemicals, seem to enter a blind alley can not walked out, therefore, exploitation controls insect pest technology without the biology of poisoning, noresidue, has very important realistic meaning.
Summary of the invention
An object of the present invention is: the deficiency existed for prior art, provides one to eliminate pesticide pollution, improves the plant prevention and elimination of disease and pests covering of the crops qualities such as fruits and vegetables simultaneously.
For solving the problems of the technologies described above, technical scheme of the present invention is:
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 30-35%, water 65-70%.
Improve as one, the EVA mixture of described methyl acrylate-acrylic acid is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 96.5-98.9%, Span 1-3%, mineral matter 0.1-0.5%.
Preferably, described methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 96.5%, Span 3%, mineral matter 0.5%.
As improving further, the degree of polymerization of described methyl acrylate-acrylic acid EVA emulsion is 800-1000.
Improve as one, described mineral matter is the dried powder of underground deep layer water; Dried powder passes through, to underground deep water heating 10-15 minute, moisture to be evaporated obtained at 250-280 DEG C.
As improving further, described mineral matter also comprises trisodium citrate.
Another object of the present invention is: the preparation method providing a Plants prevention and elimination of disease and pests covering.Described preparation method comprises the following steps:
(1) preparation of methyl acrylate-acrylic acid EVA emulsion: get methyl acrylate, acrylic acid, hydrogen peroxide, 14% alkyl benzene sulphonate sodium solution and water, mixing, obtain mixed solution, described mixed solution is stirred at the temperature of 70-80 DEG C, obtains methyl acrylate-acrylic acid copolymer emulsion;
(2) preparation of methyl acrylate-acrylic acid EVA mixture: take described methyl acrylate-acrylic acid EVA emulsion, Span and mineral matter in proportion, mixing, obtains methyl acrylate-acrylic acid EVA mixture;
(3) preparation of finished product: take described methyl acrylate-acrylic acid EVA mixture and water in proportion, mixing, to obtain final product.
Improve as one, in step (1), the weight ratio of described methyl acrylate, acrylic acid, hydrogen peroxide, 14% alkyl benzene sulphonate sodium solution and water is 700:700:126:20:2000.
Improve as one, in step (1), after completion of the mixing, by weight percentage, first get mixed solution described in 20% to stir 2 hours at the temperature of 70-80 DEG C, while stirring, mixed solution described in remaining 80% is added in it several times, finally pass into nitrogen to remove unreacted reactant.
As improving further, while stirring, mixed solution described in remaining 80% was added in it several times in 3 hours.
14% alkyl benzene sulphonate sodium solution in the present invention refers to that mass concentration is the alkyl benzene sulphonate sodium water solution of 14%.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
(1) owing to containing methyl acrylate-acrylic acid EVA in product provided by the invention, make the existing multiple film-strength of this covering, continuation is strong again, the leaf being attached to plant is first-class, parcel cell membrane, extension is grown together with leaf, in addition, because Span can prevent this covering from being flicked when being attached on leaf, due to these effects, the health of disease and insect is wrapped by agent parcel, and inaccessible spiracle makes disease and insect suffocate, so just can prevent constantly and remove disease and insect.
(2) tasteless, the odorless of product provided by the invention, harmless, colourless, harm can not be produced to the health of the mankind, methyl acrylate-acrylic acid copolymer emulsion can also use, even if so it enters also is harmless in human body as enteric solubility surface coating agent at field of medicaments.
(3) surface that product provided by the invention is sprayed at the plant such as fruit, vegetables is formed multiple film, the effect same with bagging can be obtained, just can carry out with simple operations such as sprayings, do not need as before to fruit or vegetables one by one carry out bagging, simplify operating process, greatly reduce labor intensive.When thinking that removing plant surface answers film, use weakly acidic acetic acid just this product can be dissolved and simply remove.
(4) also mineral matter is contained in product provided by the invention, when described mineral matter is underground deep layer water dried powder, containing nearly 70 Multiple components such as sodium chloride, magnesium chloride, calcium chloride, potassium chloride in mineral matter, compare with using the product of seawater, its impurity is few, as the most applicable to supplementing of plant, mineral matter can also increase the delicious food of fruit or vegetables.
(5) trisodium citrate contained in mineral composition, has the effect of valve of the leaf expanding plant, because facilitate carbonic acid assimilation, the absorptive amount of mineral matter increases, fruit or vegetables nicier.
In sum, product provided by the invention is sprayed at after on fruits and vegetables, blade and fruit form layer protecting film, insect and pathogen tunicle cover and wrap up, insect can be capped death by suffocation, leaf and fruit protected, film can not dissolve because of raining and run off, because this product also added mineral matter, improve the quality of fruits and vegetables; Preparation method provided by the invention, its process is simple, and cost is lower, and consuming time less, is suitable for suitability for industrialized production.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 30%, water 70%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 96.5%, Span 3%, mineral matter 0.5%.
Embodiment two
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 31%, water 69%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 97.1%, Span 2.5%, mineral matter 0.4%; Its mineral is the dried powder of underground deep layer water.
Embodiment three
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 32%, water 68%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 97.7%, Span 2%, mineral matter 0.3%; Its mineral is the dried powder of underground deep layer water, is also added with the trisodium citrate that percentage by weight is 3% in mineral matter.
Embodiment four
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 33%, water 67%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 98.3%, Span 1.5%, mineral matter 0.2%; Its mineral is the dried powder of underground deep layer water, is also added with the trisodium citrate that percentage by weight is 4% in mineral matter.
Embodiment five
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 34%, water 66%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 98.9%, Span 1%, mineral matter 0.1%; Its mineral is the dried powder of underground deep layer water, is also added with the trisodium citrate that percentage by weight is 5% in mineral matter.
Embodiment six
One Plants prevention and elimination of disease and pests covering, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 35%, water 65%; Wherein, methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 97%, Span 2.5%, mineral matter 0.5%; Its mineral is the dried powder of underground deep layer water, is also added with the trisodium citrate that percentage by weight is 3% in mineral matter.
Embodiment seven
The one Plants preparation method of prevention and elimination of disease and pests covering, described preparation method comprises the following steps:
(1) preparation of methyl acrylate-acrylic acid EVA emulsion: get methyl acrylate 700g, acrylic acid 700g, hydrogen peroxide 126g, 14% alkyl benzene sulphonate sodium solution 20g and water 2000g, mixing, obtain mixed solution, mixed solution is stirred at the temperature of 70 DEG C, obtains methyl acrylate-acrylic acid copolymer emulsion;
(2) preparation of methyl acrylate-acrylic acid EVA mixture: by weight percentage, get 30% aforesaid propylene acid methyl esters-acrylic copolymer emulsion, by weight percentage, add the mineral matter (namely Span and mineral matter account for 1% and 0.5% of this EVA mixture respectively) of 3% Span and 0.5% again, mixing, obtains methyl acrylate-acrylic acid EVA mixture;
(3) preparation of finished product: take described methyl acrylate-acrylic acid EVA mixture and water in the ratio of embodiment one, mixing, to obtain final product.
Embodiment eight
The one Plants preparation method of prevention and elimination of disease and pests covering, described preparation method comprises the following steps:
(1) preparation of methyl acrylate-acrylic acid EVA emulsion: get methyl acrylate 700g, acrylic acid 700g, hydrogen peroxide 126g, 14% alkyl benzene sulphonate sodium solution 20g and water 2000g, mixing, obtain mixed solution, by weight percentage, get 20% must stir 2 hours at the temperature of 75 DEG C by mixed solution, while stirring, mixed solution described in remaining 80% is added in it several times, finally pass into nitrogen removing unreacted reactant, obtain methyl acrylate-acrylic acid copolymer emulsion;
(2) preparation of methyl acrylate-acrylic acid EVA mixture: by weight percentage, get 30% aforesaid propylene acid methyl esters-acrylic copolymer emulsion, by weight percentage, add the mineral matter (namely Span and mineral matter account for 2% and 0.3% of this EVA mixture respectively) of 2% Span and 0.3% again, wherein, the trisodium citrate accounting for mineral matter gross weight 3% is also added with in mineral matter, mixing, obtains methyl acrylate-acrylic acid EVA mixture;
(3) preparation of finished product: take described methyl acrylate-acrylic acid EVA mixture and water in the ratio of embodiment three, mixing, to obtain final product.
Embodiment nine
The one Plants preparation method of prevention and elimination of disease and pests covering, described preparation method comprises the following steps:
(1) preparation of methyl acrylate-acrylic acid EVA emulsion: get methyl acrylate 700g, acrylic acid 700g, hydrogen peroxide 126g, 14% alkyl benzene sulphonate sodium solution 20g and water 2000g, mixing, obtain mixed solution, by weight percentage, get 20% must stir 2 hours at the temperature of 80 DEG C by mixed solution, while stirring, mixed solution described in remaining 80% was added in it several times in 3 hours, finally pass into nitrogen removing unreacted reactant, obtain methyl acrylate-acrylic acid copolymer emulsion;
(2) preparation of methyl acrylate-acrylic acid EVA mixture: by weight percentage, get 30% aforesaid propylene acid methyl esters-acrylic copolymer emulsion, by weight percentage, add the mineral matter (namely Span and mineral matter account for 1.5% and 0.2% of this EVA mixture respectively) of 1.5% Span and 0.2% again, wherein, the trisodium citrate accounting for mineral matter gross weight 4% is also added with in mineral matter, mixing, obtains methyl acrylate-acrylic acid EVA mixture;
(3) preparation of finished product: take described methyl acrylate-acrylic acid EVA mixture and water in the ratio of embodiment four, mixing, to obtain final product.
Wherein, the degree of polymerization of the methyl acrylate-acrylic acid EVA emulsion in above-described embodiment is preferably 800-1000.
Experimental example one
By weight percentage, get plant prevention and elimination of disease and pests covering prepared by 30% embodiment seven, by its dilute with water 25 times, be sprayed on the tomato of 10 ares, spray after 15-20 minute, Xi Waerye aleyrodid 100% falls, death by suffocation.
Experimental example two
By weight percentage, get plant prevention and elimination of disease and pests covering prepared by 30% embodiment eight, by its dilute with water 25 times, be sprayed on the apple tree of 5 ares, although there occurs the disease and insects such as stinkbug, tick worm, chafer, longicorn on apple, but these disease and insects 100% fall, death by suffocation.
Experimental example three
By weight percentage, get plant prevention and elimination of disease and pests covering prepared by 30% embodiment nine, by its dilute with water 25 times, spray on it at little tomato in ripe first 10 days, in transportation, there is not the situation that little tomato fruit is split.
The present invention, biomembranous physics is adopted to control insect pest method, solve the crops such as fruit, vegetables medicament residue problem, thoroughly eliminate the Chemo-Therapy insect pest method seriously polluted, residue of pesticide are high, eliminate pesticide pollution, improve the quality of the crops such as fruits and vegetables simultaneously, allow peasant produce real green non-pollution fruit and vegetable.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. Plants prevention and elimination of disease and pests covering, is characterized in that, described covering is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA mixture 30-35%, water 65-70%.
2. a Plants prevention and elimination of disease and pests covering as claimed in claim 1, it is characterized in that, described methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 96.5-98.9%, Span 1-3%, mineral matter 0.1-0.5%.
3. a Plants prevention and elimination of disease and pests covering as claimed in claim 2, it is characterized in that, described methyl acrylate-acrylic acid EVA mixture is made up of the component of following percentage by weight: methyl acrylate-acrylic acid EVA emulsion 96.5%, Span 3%, mineral matter 0.5%.
4. a Plants prevention and elimination of disease and pests covering as claimed in claim 2 or claim 3, is characterized in that, the degree of polymerization of described methyl acrylate-acrylic acid EVA emulsion is 800-1000.
5. a Plants prevention and elimination of disease and pests covering as claimed in claim 2 or claim 3, it is characterized in that, described mineral matter is the dried powder of underground deep layer water.
6. a Plants prevention and elimination of disease and pests covering as claimed in claim 5, it is characterized in that, described mineral matter also comprises trisodium citrate.
7. the Plants preparation method of prevention and elimination of disease and pests covering, is characterized in that, described preparation method comprises the following steps:
(1) preparation of methyl acrylate-acrylic acid EVA emulsion: get methyl acrylate, acrylic acid, hydrogen peroxide, 14% alkyl benzene sulphonate sodium solution and water, mixing, obtain mixed solution, described mixed solution is stirred at the temperature of 70-80 DEG C, obtains methyl acrylate-acrylic acid EVA emulsion;
(2) preparation of methyl acrylate-acrylic acid EVA mixture: take described methyl acrylate-acrylic acid EVA emulsion, Span and mineral matter in proportion, mixing, obtains methyl acrylate-acrylic acid EVA mixture;
(3) preparation of finished product: take described methyl acrylate-acrylic acid EVA mixture and water in proportion, mixing, to obtain final product.
8. the preparation method of a Plants prevention and elimination of disease and pests covering as claimed in claim 7, it is characterized in that, in step (1), the weight ratio of described methyl acrylate, acrylic acid, hydrogen peroxide, 14% alkyl benzene sulphonate sodium solution and water is 700:700:126:20:2000.
9. the preparation method of a Plants prevention and elimination of disease and pests covering as claimed in claim 7, it is characterized in that, in step (1), after mixing, by weight percentage, first get mixed solution described in 20% to stir 2 hours at the temperature of 70-80 DEG C, while stirring, mixed solution described in remaining 80% is added in it several times, finally pass into nitrogen.
10. the preparation method of a Plants prevention and elimination of disease and pests covering as claimed in claim 9, is characterized in that, is added in it several times by mixed solution described in remaining 80% while stirring in 3 hours.
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| CN201510387896.8A CN105010308B (en) | 2015-07-03 | 2015-07-03 | A kind of plant preventing and treating pest and disease damage covering and preparation method thereof |
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| CN201510387896.8A CN105010308B (en) | 2015-07-03 | 2015-07-03 | A kind of plant preventing and treating pest and disease damage covering and preparation method thereof |
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| CN105010308A true CN105010308A (en) | 2015-11-04 |
| CN105010308B CN105010308B (en) | 2017-11-03 |
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| CN1736218A (en) * | 2005-05-13 | 2006-02-22 | 河北科技大学 | Application of high molecular polymer emulsion film in protection film for fruit growth |
| CN1775021A (en) * | 2005-11-24 | 2006-05-24 | 四川大学 | Method for preventing melon trypetid by spraying polyvingl alcohol |
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| CN103039532A (en) * | 2011-10-11 | 2013-04-17 | 上海万力华生物科技有限公司 | Biologically active coating liquid for fruit bagging, fruit bagging and preparation method thereof |
| CN103145493A (en) * | 2013-02-24 | 2013-06-12 | 崔青青 | Surface spraying film agent for plant |
| CN103733924A (en) * | 2013-11-22 | 2014-04-23 | 陕西开新宇农业科技有限公司 | Multi-functional liquid plant protection film agent |
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2015
- 2015-07-03 CN CN201510387896.8A patent/CN105010308B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736218A (en) * | 2005-05-13 | 2006-02-22 | 河北科技大学 | Application of high molecular polymer emulsion film in protection film for fruit growth |
| CN1775021A (en) * | 2005-11-24 | 2006-05-24 | 四川大学 | Method for preventing melon trypetid by spraying polyvingl alcohol |
| CN101326909A (en) * | 2008-07-04 | 2008-12-24 | 翟明芳 | Plant protection film agent |
| KR20110068627A (en) * | 2009-12-16 | 2011-06-22 | 주식회사 식물나라 | Bag film for cultivating fruit tree having a degradable quality and insecticidable quality and manufacturing method thereof |
| CN103039532A (en) * | 2011-10-11 | 2013-04-17 | 上海万力华生物科技有限公司 | Biologically active coating liquid for fruit bagging, fruit bagging and preparation method thereof |
| CN103145493A (en) * | 2013-02-24 | 2013-06-12 | 崔青青 | Surface spraying film agent for plant |
| CN103733924A (en) * | 2013-11-22 | 2014-04-23 | 陕西开新宇农业科技有限公司 | Multi-functional liquid plant protection film agent |
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Effective date of registration: 20170913 Address after: Room 303, building 2, Weifang health industry accelerator, Weifang high tech District, Shandong Applicant after: Weifang Jiamei Biotechnology Co. Ltd. Applicant after: YOKOHAMA AGULI CO., LTD. Address before: 261100, Weifang District, Shandong province Hanting Tong Ting Street, No. 5299 King Park Applicant before: WEIFANG XINCHANG CHEMICAL CO., LTD. Applicant before: YOKOHAMA AGULI CO., LTD. |
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