CN105746558A - Bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent and preparation method thereof - Google Patents
Bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent and preparation method thereof Download PDFInfo
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- CN105746558A CN105746558A CN201610326940.9A CN201610326940A CN105746558A CN 105746558 A CN105746558 A CN 105746558A CN 201610326940 A CN201610326940 A CN 201610326940A CN 105746558 A CN105746558 A CN 105746558A
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- cyhalofop
- butyl
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Abstract
The invention discloses a bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent and a preparation method thereof, and relates to the technical field of weed prevention and control of rice direct seeding paddy fields. The bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent is at least prepared from the following components: 5 parts of bensulfuron methyl, 12.5 parts of cyhalofop-butyl, 3.5 parts of penoxsulam, 3 parts of fatty alcohol-polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.5 part of sodium benzoate, 0.5 part of an anti-foaming agent and deionized water which makes up to 100 parts. The preparation method comprises the following steps: pumping raw materials into a preparation kettle, performing primary grinding through a colloid mill after the raw materials are mixed and stirred, performing fine grinding through a grinding machine, sampling for analyzing, and filtering, metering, packaging and warehousing after a sample is qualified. The 21% bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent which is compounded by mixing at the ratio of 5:12.5:3.5 can achieve an obvious synergistic effect range, and preparations mixed at other ratios cannot achieve the obvious synergistic effect range.
Description
Technical field
The present invention relates to rice direct seeding field control of weeds technical field, be specifically related to a kind of bensulfuron-methyl, cyhalofop-butyl and penoxsuam is composite dispersibles oil-suspending agent and preparation method thereof.
Background technology
At present, the existing Herbicidal combinations for rice direct seeding field control of weeds such as such as barnyard grass, Semen Euphorbiae, Lindernia procumbens (Krock.) Phillcox. and Herba monochoriae vaginaliss, such as Chinese patent " CN104145979A " discloses one " transplanted rice field weeds herbicide ", and wherein effective active composition is: the pretilachlor of 10-20%, the penoxsuam of 5-15%, the bensulfuron-methyl that mass fraction is 10% of 5-10%, 0-15% cyhalofop-butyl.Separately having Chinese patent " CN101595886A " to disclose one " Herbicidal combinations for rice terrace ", wherein effective active composition is mesotrione and any one or the multiple combination in cyhalofop-butyl, bensulfuron-methyl, pyrazosulfuron, dichloro quinolinic acid, mefenacet, bispyribac-sodium or penoxsulam herbicide forms；The weight ratio of the two is 1: 40～70: 1.
Inventor verifies through long term test, and these above-mentioned several Herbicidal combinations are primarily present following defect:
1), tested by several concrete proportionings disclosed in above-mentioned several Herbicidal combinations, it has been found that the direct sowing of rice field weeds such as such as barnyard grass, Semen Euphorbiae, Lindernia procumbens (Krock.) Phillcox. and Herba monochoriae vaginalis cannot be played good prevention effect.
2), for several dosage forms disclosed in above-mentioned several Herbicidal combinations, the defect that all there is different problem is found through verification experimental verification.Such as, the oil-suspending agent that dispersibles made bonds easily caused by product, and not easily in water, dispersion suspends, or blocking shower nozzle, the phenomenon such as reason precipitation in aerosol apparatus, cause sprinkling irregular, easily making crop local produce poisoning, it main reason is that the selection of auxiliary agent and filler all exists different defects.
3), composite problem, by several concrete proportionings disclosed in above-mentioned several Herbicidal combinations carry out virulence test, heat storage stability test and co-toxicity coefficient measure find, be all unable to reach obvious potentiation.
Summary of the invention
An object of the present invention is in that to provide a kind of bensulfuron-methyl, cyhalofop-butyl and penoxsuam is composite dispersibles oil-suspending agent, it is reasonable in design that this dispersibles oil-suspending agent, the prevention effect of the direct sowing of rice field weeds such as such as barnyard grass, Semen Euphorbiae, Lindernia procumbens (Krock.) Phillcox. and Herba monochoriae vaginalis is good, and the notable synergistic effect of bensulfuron-methyl, cyhalofop-butyl and penoxsuam can be realized.
For achieving the above object, present invention employs techniques below scheme:
A kind of bensulfuron-methyl, cyhalofop-butyl and penoxsuam is composite dispersibles oil-suspending agent, be at least made up of the component of following weight portion:
Bensulfuron-methyl is a kind of efficiently sulfonylurea optional water field herbicidal, its effective ingredient can spread rapidly in water, it is transmitted in plant body after the root absorption of weeds, the synthesis of hindered aminoacid, promptly suppress the growth of weeds leaves and stems and the stretching, extension of root, then completely withered, to rice safety.Insecticidal spectrum is relatively wide, and the prevention effects such as broad leaved weed, sedge weed, barnyard grass is better.Its drug effect not temperature influence, lasting medicine, disposable use, the multiple Weed infestation of rice growing season can be controlled.
Cyhalofop-butyl is virtue phenoxy phenoxy propionic acid conduction type gramineous weed weedicide, this product is absorbed by stem and leaf, conduct to growing point, reach herbicide effect, process for direct seading rice field stem and leaf, especially barnyard grass class, Semen Euphorbiae etc. are had the effect of brilliance, but to broad leaved weed weak effect, therefore we need one rice terrace of searching to prevent and kill off the fine herbicide of broad leaved weed.
Penoxsuam Chinese commodity rice by name is outstanding, is use herbicide after the Seedling developed by The Dow Agrosciences, LLC., and it is triazolopyrimidine sulfonamide herbicide, by suppressing acetolactate synthestase (ALS) to work.For current rice field broad-spectrum herbicide, it is inner-adsorption conduction-type herbicide, through stem and leaf, plumelet and Root Absorption, conducted to separate living tissue by xylem and phloem, it is suppressed that plant strain growth, make growing point chlorosis, after process, 7～14 zenith bud mutations are red, downright bad, and within 2～4 weeks, plant is dead.Can effectively prevent and kill off barnyard grass, annual sedge weed, and numerous broad leaved weeds are effective, the lasting period up to 30～60 days, a drug energy basic controlling full season Weed infestation.
The bensulfuron-methyl of the present invention, cyhalofop-butyl and penoxsuam are composite dispersibles oil-suspending agent, and its beneficial effect shows:
1) what, prepared by the present invention dispersible oil-suspending agent is significantly better than that the product prepared by other proportionings in suspensibility, wet screening test etc. and heat storage stability etc..
2), verify by experiment, bensulfuron-methyl, cyhalofop-butyl and penoxsuam with 5:12.5:3.5 proportioning mixed composite 21% time bensulfuron-methyl, cyhalofop-butyl and penoxsuam is composite dispersibles oil-suspending agent, notable synergistic sphere of action can be played, and the preparation that other proportioning is mixed, all it is unable to reach notable synergistic sphere of action.Meanwhile, the actual toxicity of different ratio does not promote along with the enhancing of theoretical toxicity, there is no regular change between actual toxicity and theoretical toxicity.
Another object of the present invention is to provide a kind of bensulfuron-methyl, cyhalofop-butyl and penoxsuam the composite preparation method dispersibling oil-suspending agent, through grinding at the beginning of colloid mill after raw material suction is prepared still mix and blend, then through sand mill fine grinding, sample analysis, filters after qualified, measures, packs, puts in storage.
The composite preparation method dispersibling oil-suspending agent of the bensulfuron-methyl of the present invention, cyhalofop-butyl and penoxsuam, preparation technology is relatively simple, it is easy to industrialized production.
Detailed description of the invention
Below with reference to embodiment, the present invention is described in detail.But; embodiment content is only citing made for the present invention and explanation; described specific embodiment is made various amendment or supplements or adopt similar mode to substitute by affiliated those skilled in the art; conceiving or surmounting the scope that present claims book is defined without departing from invention, all should belong to protection scope of the present invention.
One, the composite preparation dispersibling oil-suspending agent of bensulfuron-methyl, cyhalofop-butyl and penoxsuam, and the testing result of all technical dispersibling oil-suspending agent prepared by each embodiment, heat storage stability result of the test.
Embodiment 1
The composite oil-suspending agent that dispersibles of 21% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Bensulfuron-methyl | 5 |
| Cyhalofop-butyl | 12.5 |
| Penoxsuam | 3.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthan gum | 0.5 |
| Sodium benzoate | 0.5 |
| Defoamer | 0.5 |
| Deionized water | 69.5 |
Preparation method: through grinding at the beginning of colloid mill after raw material suction is prepared still mix and blend, then through sand mill fine grinding, sample analysis, filtration after qualified, metering, packaging, warehouse-in.
Embodiment 2
The composite oil-suspending agent that dispersibles of 20.5% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
Preparation method is with embodiment 1.
Embodiment 3
The composite oil-suspending agent that dispersibles of 20% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Bensulfuron-methyl | 4.5 |
| Cyhalofop-butyl | 12.5 |
| Penoxsuam | 3 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthan gum | 0.5 |
| Sodium benzoate | 0.5 |
| Defoamer | 0.5 |
| Deionized water | 70.5 |
Preparation method is with embodiment 1.
Embodiment 4
The composite oil-suspending agent that dispersibles of 21.5% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
Preparation method is with embodiment 1.
Embodiment 5
The composite oil-suspending agent that dispersibles of 22% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Bensulfuron-methyl | 5 |
| Cyhalofop-butyl | 13 |
| Penoxsuam | 4 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthan gum | 0.5 |
| Sodium benzoate | 0.5 |
| Defoamer | 0.5 |
| Deionized water | 68.5 |
Preparation method is with embodiment 1.
Embodiment 6
The composite oil-suspending agent that dispersibles of 21% bensulfuron-methyl, cyhalofop-butyl and penoxsuam, each component and weight portion thereof are as follows:
| Composition | Weight portion |
| Bensulfuron-methyl | 5 |
| Cyhalofop-butyl | 12.5 |
| Penoxsuam | 3.5 |
| Nitidine | 0.5 |
| Fatty alcohol-polyoxyethylene ether | 3 |
| Styrylphenol polyoxyethylene ether | 5 |
| Xanthan gum | 0.5 |
| Sodium benzoate | 0.5 |
| Defoamer | 0.5 |
| Deionized water | 69 |
Preparation method is with embodiment 1.
Bensulfuron-methyl prepared by embodiment 1～6, cyhalofop-butyl and the composite oil-suspending agent that dispersibles of penoxsuam, the testing result of product all technical is as shown in table 1, and product heat storage stability result of the test is as shown in table 2.
16 embodiments of table prepare the testing result of product all technical
26 embodiments of table prepare product heat storage stability result of the test
By table 1 and 2 it can be seen that the product of embodiment 1 and 6 preparation is significantly better than that the product prepared by other embodiments in suspensibility, wet screening test etc. and heat storage stability etc..
Two, toxicological information
Bensulfuron-methyl: rat acute per os LD50> 5000mg/kg, rat acute percutaneous LD50> 5000mg/kg, acute toxicity is low toxicity.
Cyhalofop-butyl: rat acute per os: male and female LD50It is all higher than 5000mg/kg；Rat acute percutaneous: male and female LD50It is all higher than 5000mg/kg.
Penoxsuam: acute oral LD50For > 5000mg/kg, acute percutaneous LD50> 5000mg/kg, acceptable daily intake: 0.04mg/kg.b.w/d.
Three, composite indoor biological activity (virulence) dispersibling oil-suspending agent of bensulfuron-methyl, cyhalofop-butyl and penoxsuam measures.
1 test objective
Pot experiment method method is adopted to determine bensulfuron-methyl, cyhalofop-butyl and the penoxsuam biological activity to barnyard grass, Semen Euphorbiae, Lindernia procumbens (Krock.) Phillcox. and Herba monochoriae vaginalis, and adopt the synergy type of Cobly method evaluation three's mixture, select to provide scientific basis for the rationally mixed of three and the proportioning in producing.
2 experimental conditions
2.1 materials to be tested
Barnyard grass: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Semen Euphorbiae: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Lindernia procumbens (Krock.) Phillcox.: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
Herba monochoriae vaginalis: Seed storage is collected in innovation methylene blue (Hefei) limited company's laboratory field.
2.2 test medicines
96% bensulfuron-methyl (bensulfuronmethyl) former medicine, innovation methylene blue (Hefei) limited company provides.
95% cyhalofop-butyl (Cyhalofop-butyl) former medicine, innovation methylene blue (Hefei) limited company provides.
95% penoxsuam (Pyribenzoxim) former medicine, innovation methylene blue (Hefei) limited company provides.
2.3 test proportionings process
It is designed according to embodiment 1-6 proportioning.
2.4 processing modes
2.4.1 the medicament activity test to barnyard grass
After barnyard grass seed presoaking and germinating, point is sowed at the sectional area 0.25m equipped with earth2Basin in, every basin broadcasts 100, is cultured to barnyard grass 1 leaf 1 heart stage and processes in greenhouse.Spraying medicinal liquid with POTTER precision laboratory spray tower, spouting liquid, for often processing 50ml, keeps ground moistening, and sets clear water blank after medicine.Often processing and repeat 4 times, within after medicine 20 days, weigh each process barnyard grass aerial parts fresh weight, the inhibition percentage and the remaining barnyard grass that calculate each process aerial growth are the percent compareed, and evaluate the mixed synergy type to barnyard grass of three by Gobly method.The actual preventive effect of mixe herbicide calculates as follows:
E0=A × B × C × ... N/100(N-1)(this test is ternary built, therefore E0=A × B × C/10000)
In formula: A is the Weed-control effect of herbicide 1；
B is the Weed-control effect of herbicide 2；
C is the Weed-control effect of herbicide 3；
N is mixed herbicide kind quantity；
E0Weed-control effect+herbicide n the Weed-control effect of Weed-control effect+herbicide 3 for the Weed-control effect+herbicide 2 of herbicide 1；
E1For the actual preventive effect of mixe herbicide, E is observation (100-E1)。
E-E0> 10% for potentiation；E-E0 <-10% is antagonism；E-E0 value is addition between theoretical value ± 10%.
2.4.2 the medicament activity test to Semen Euphorbiae
After Semen Euphorbiae seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, all the other same 2.4.1.
2.4.3 the medicament activity test to Lindernia procumbens (Krock.) Phillcox.
After Lindernia procumbens (Krock.) Phillcox. seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, all the other same 2.4.1.
2.4.4 the medicament activity test to Herba monochoriae vaginalis
After Herba monochoriae vaginalis seed-soaking, after accelerating germination, point is sowed at the sectional area 0.25m equipped with earth2Basin in, all the other same 2.4.1.
3 interpretations of result and discussion
The mixture of embodiment 1-6 totally 6 the different compound proportions E-E to barnyard grass0Value is followed successively by 23.15%, and 2.95%, 3.56%, 2.61%, 1.90%, 23.35%；E-E to Semen Euphorbiae0Value respectively 23.45%, 3.55%, 4.26%, 3.35%, 2.76%, 24.15%；E-E to Lindernia procumbens (Krock.) Phillcox.0Value respectively 22.27%, 3.55%, 4.55%, 3.36%, 2.26%, 23.05%；E-E to Herba monochoriae vaginalis0Value respectively 23.27%, 3.50%, 4.50%, 3.46%, 2.36%, 23.56%；Thus the synergy describing the compound proportion of embodiment 1 and 6 belongs to obvious addition potentiation, and the synergy of other embodiments substantially belongs to addition.Meanwhile, by the experimental data of embodiment 6 it can be seen that composite dispersible oil-suspending agent with the addition of a small amount of nitidine after, the composite synergy of bensulfuron-methyl, cyhalofop-butyl and penoxsuam can be made to promote further.
Claims (2)
1. a bensulfuron-methyl, cyhalofop-butyl and penoxsuam is composite dispersibles oil-suspending agent, it is characterised in that: at least it is made up of the component of following weight portion:
2. prepare the composite method dispersibling oil-suspending agent of bensulfuron-methyl as claimed in claim 1, cyhalofop-butyl and penoxsuam for one kind, it is characterized in that: through grinding at the beginning of colloid mill after raw material suction is prepared still mix and blend, then through sand mill fine grinding, sample analysis, filters after qualified, measures, packs, puts in storage.
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| CN201610326940.9A CN105746558A (en) | 2016-05-13 | 2016-05-13 | Bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent and preparation method thereof |
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| CN201610326940.9A CN105746558A (en) | 2016-05-13 | 2016-05-13 | Bensulfuron methyl, cyhalofop-butyl and penoxsulam compounded dispersible oil suspending agent and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190198A (en) * | 2010-03-12 | 2011-09-29 | Mitsui Chemicals Agro Inc | Mixed herbicidal composition |
| CN103120173A (en) * | 2013-02-04 | 2013-05-29 | 广东中迅农科股份有限公司 | Paddy field weeding composition |
| CN104145979A (en) * | 2014-08-04 | 2014-11-19 | 苏州市新泾村农业基地专业合作社 | Herbicide for weeds in transplanted rice field and application method thereof |
| CN105123730A (en) * | 2015-09-16 | 2015-12-09 | 安庆市宜秀区永兴农机农艺综合发展专业合作社 | Phytocidal composition |
| CN105246331A (en) * | 2013-03-15 | 2016-01-13 | 美国陶氏益农公司 | Synergistic weed control from applications of penoxsulam and benzobicyclon or clomazone and benzobicyclon |
-
2016
- 2016-05-13 CN CN201610326940.9A patent/CN105746558A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011190198A (en) * | 2010-03-12 | 2011-09-29 | Mitsui Chemicals Agro Inc | Mixed herbicidal composition |
| CN103120173A (en) * | 2013-02-04 | 2013-05-29 | 广东中迅农科股份有限公司 | Paddy field weeding composition |
| CN105246331A (en) * | 2013-03-15 | 2016-01-13 | 美国陶氏益农公司 | Synergistic weed control from applications of penoxsulam and benzobicyclon or clomazone and benzobicyclon |
| CN104145979A (en) * | 2014-08-04 | 2014-11-19 | 苏州市新泾村农业基地专业合作社 | Herbicide for weeds in transplanted rice field and application method thereof |
| CN105123730A (en) * | 2015-09-16 | 2015-12-09 | 安庆市宜秀区永兴农机农艺综合发展专业合作社 | Phytocidal composition |
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Application publication date: 20160713 |