CN107114397A - A kind of herbicidal composition containing anilofos, cyhalofop-butyl He metamifop - Google Patents
A kind of herbicidal composition containing anilofos, cyhalofop-butyl He metamifop Download PDFInfo
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- CN107114397A CN107114397A CN201710396584.2A CN201710396584A CN107114397A CN 107114397 A CN107114397 A CN 107114397A CN 201710396584 A CN201710396584 A CN 201710396584A CN 107114397 A CN107114397 A CN 107114397A
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- Prior art keywords
- metamifop
- anilofos
- cyhalofop
- butyl
- weeds
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
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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
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to the Herbicidal combinations containing anilofos, cyhalofop-butyl He metamifop, described Herbicidal combinations have synergistic function, wherein, anilofos, cyhalofop-butyl are He the mass ratio of metamifop is 10~25：10~25：4~10, more preferably 10~15：20~25：8~10, optimal proportion is 15：25：8.
Description
Technical field
The invention belongs to pesticide herbicide compounding field, and in particular to be that a kind of active ingredient contains anilofos, cyanogen fluorine
Careless Zhi is He the ternary built herbicidal composition of metamifop and its application.
Background technology
Paddy rice is China the first generalized grain crop, paddy land weed prevent and kill off be paddy rice good harvest important leverage.Rice field is mainly miscellaneous
Straw bag includes barnyard grass gramineous, moleplant seed, lady's-grass, Digitaria ischaemum (Schreib.) Schreib. Ex Mubl, Paspalum distichum, rice Leersia Sw etc., broad leaved weed include Monochoria vaginalis,
Water peanut, short arrowhead, dayflower etc., Cyperaceae include the rhizome of nutgrass flatsedge, Herba Cyperi Glomerati, difformed galingale herb, cyperus iria, fescue, Scirpus tabernaemontani etc..
As single herbicide uses the increase in time, weeds are more and more stronger to the resistance of herbicide, generate many anti-
Property weeds, such as resistance barnyard grass, resistance lady's-grass, resistance Herba Cyperi Glomerati, this kind of weeds to common cyhalofop-butyl, penoxsuam,
The single doses such as dichloro quinolinic acid generate very strong resistance.
Anilofos（Anilofos）For absorbability organic phosphates herbicide.It is general to be absorbed by weeds root system and young shoot, pass
Plant whole body is directed at, suppresses plant cell division growth, causes plant strain growth suppressed, young leaves is difficult to extract out, and old leaf color turns
To be dark green, decolourize sometimes, growth stops, it is last withered.It is good to the weeds effect in germinating, to the weeds grown up
Effect is poor.It is usually used in preventing and kill off rice field monocotyledon weed, such as barnyard grass, difformed galingale herb, cyperus iria, Monochoria vaginalis, fescue, successively
Grass, dichotomous fimbristylis herb etc..Pesticide supplying effect is fine within the leaf phase of weeds 3, to rice safety.
Cyhalofop-butyl（Cyhalofop-butyl）It is unique in fragrant phenoxy phenoxy propionic acid herbicide there is height to pacify paddy rice
The composition of full property, it is uptake and translocation herbicide to belong to.Absorbed, passed by vascular bundle bast by the blade and leaf sheath of weeds
Lead, be accumulated in the meristem zone of weeds, suppress acetyl-CoA carboxylase, make aliphatic acid synthesis stopping, the growth division of cell
It can not be normally carried out, the destruction of the structure containing fat such as membranous system finally results in Plant death.Cyhalofop-butyl bud pre-treatment is invalid, only makees
For cauline leaf process.It is mainly used in preventing and kill off the grassy weeds such as rice field moleplant seed, barnyard grass, to moleplant seed special efficacy.
Metamifop (Metamifop) belongs to aromatic oxygen-phenoxy group propionates class herbicide, suppresses aliphatic acid synthesis crucial
Enzyme, is to be developed by Chemical Engineering Technology research institute of South Korea, can effectively prevent and kill off most of annual gramineous weeds, it is to rice safety
Property it is high.It is currently used primarily in transplanting and direct sowing rice field prevents and kill off common annual gramineous weed, such as barnyard grass, moleplant seed, lady's-grass
With eleusine indica etc..Metamifop miscibilty is strong, and toxicity is low, environmentally safe.After being absorbed by plant stem-leaf, susceptible weeds are several
Occur blade face after it and move back green, growth stops, and 14 days start to dry up, and last weeds are thoroughly dead.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of safe efficient, low-residual Herbicidal synergistic group
Compound, is conducive to the integrated control of weeds, and described Herbicidal combinations active component includes anilofos, cyhalofop-butyl He metamifop.
The Herbicidal combinations of the present invention may also include other agricultural active compositions, such as the herbicides of other species, insecticide, kill
The additive and/or insecticides adjuvant commonly used in microbial inoculum, the pesticide activity component of fertilizer and safener and/or plant protection, or can
Use together with which.
The Herbicidal combinations of the present invention have the activity of weeding of height, and broad weed-killing spectrum.Pass through the different work of each active ingredient
Mechanism Synergistic is used, weeding high activity is shown as, wherein anilofos suppress cell division growth, and cyhalofop-butyl is He oxazole acyl is careless
Amine is the auxiliary quick A carboxylase inhibitors of acetyl, suppresses the synthesis of plant body fat.The ternary built has expanded single component simultaneously
Herbicide controlling spectrum, can disposably prevent and kill off the perennial sedge weed of a variety of annual gramineous weeds of rice terrace and part, include grass
Barnyard grass, lady's-grass, moleplant seed, rice Leersia Sw, Paspalum distichum of section etc., and Cyperaceae Herba Cyperi Glomerati, difformed galingale herb, cyperus iria
Deng.In the case where recommending dosage to paddy rice high safety, and toxicity is low, and the residence time is short in soil, to succession crop safety.
The Herbicidal combinations of the present invention can be with auxiliary element conventional in Pesticide formulation according to customary preparation methods
Any one formulation is prepared, for example, can be missible oil, dispersible oil-suspending agent, microemulsion, aqueous emulsion, suspension emulsion, micro-capsule
Suspending agent, water dispersible granules, dry suspending agent etc..
Further, in Herbicidal combinations of the invention active ingredient be anilofos, cyhalofop-butyl He metamifop, they
The mass ratio of compounding is 10~25：10~25：4~10, more preferably 10~15：20~25：8~10, optimal proportion is 15：25：8.
The present invention Herbicidal combinations frequency of use and usage amount with crops, weeds, weather conditions and it is small change,
The purpose effectively prevented and treated can be reached by using suitable dosage.
Embodiment
In order to be better understood from the essence of the present invention, present disclosure is described further with reference to embodiment,
But limitation of the present invention can not be considered as, it is as described below to be only used for explaining the present invention, for without departing from spirit of the invention and principle
Modification, replacement or the improvement made, belong to the scope of protection of present invention.
First, example of formulations
Embodiment 1：When the present composition is missible oil, each component content is：
Anilofos 10%
Cyhalofop-butyl 7.5%
Metamifop 3%
AEO 10%
Alkyl phenol formaldehyde resin polyoxyethylene ether 6%
Ethylene glycol 5%
Dimethylbenzene 10%
Ethyl acetate 5%
Deionized water polishing is to 100%
The specific procedure of processing of said composition missible oil is：After above-mentioned formula in proportion mixed dissolution, it is mixed into through high speed shear
The phase of homogeneous transparent, is made 20.5% anilofos Qing fluorine Cao Zhi metamifop missible oil of the present invention.
Embodiment 2：When the present composition is dispersible oil-suspending agent, each component content is：
Anilofos 5%
Cyhalofop-butyl 10%
Metamifop 5%
Neopelex 6%
Sorbitan monostearate 3%
Alkyl succinate 5%
Gas phase of white carbon black 1%
Aluminium-magnesium silicate 1%
Dibutyl phthalate 10%
Methyl oleate polishing is to 100%
The specific procedure of processing of the dispersible oil-suspending agent of said composition is：By above-mentioned formula by dibutyl phthalate and Sha barnyard grass
After phosphorus mixed dissolution, mineral oil, thickener, emulsifying agent mixing are added, it is well mixed through high speed shear, it is separately added into cyanogen fluorine grass
Zhi, metamifops, continue to shear mixing, are ground subsequently into horizontal sand mill, make preparation particle diameter all in below 10UM,
The dispersible oil-suspending agent of 20% anilofos Qing fluorine Cao Zhi metamifops of the present invention is made.
Embodiment 3：When the present composition is suspension emulsion, each component content is：
Anilofos 7.5%
Cyhalofop-butyl 10%
Metamifop 4%
Methyl oleate 13%
APES phosphate 2%
Calcium dodecyl benzene sulfonate 5%
Alkyl phenol alcohol ether phosphate 4%
Organic silicone 1.2%
PH value regulator 0.2%
Xanthans 0.2%
Ethylene glycol 4%
Deionized water polishing is to 100%
The specific procedure of processing of the suspension emulsion is：
1. after anilofos methyl oleate is diluted by above-mentioned formula, the well mixed obtained oil-phase solution of emulsifying agent is added, then
Add appropriate amount of deionized water and emulsify obtained emulsion through homogenizer.
2. dispersant, thickener, defoamer are mixed by above-mentioned formula, it is well mixed through high speed shear, add cyanogen fluorine grass
Ester, continues to shear mixing, then Jia Ru metamifops, continues shearing and mixes, and finally enters three-level in horizontal sand mill and grinds,
Make preparation particle diameter all below 5 microns, suspension is made.
Mixed 3. above emulsion and suspension are mixed through high speed shear, that is, 21.5% Sha barnyard grass of the present invention is made
Phosphorus Qing fluorine Cao Zhi metamifop suspension emulsions.
Embodiment 4：When the present composition is water dispersible granules, each component content is：
Anilofos 15%
Cyhalofop-butyl 25%
Metamifop 8%
Calcium lignosulfonate 8%
Lauryl sodium sulfate 3%
Bentonite 7%
Hydroxymethyl cellulose 2%
Deionized water 6%
Kaolin polishing is to 100%
The procedure of processing of the water dispersible granules is：By above-mentioned formula is by anilofos, cyhalofop-butyl, metamifops and disperses
Agent, wetting agent, disintegrant, binding agent, softened water and filler are well mixed, are crushed with micro jet, through mediating, so
Enter Squeezinggranulator afterwards to granulate, dried in boiling drier, through sampling analysis after screening, 48% Sha of the present invention is made
Barnyard grass phosphorus Qing fluorine Cao Zhi metamifop water dispersible granules.
2nd, determination of activity
1st, toxicity is determined：The life of anilofos, cyhalofop-butyl He metamifop and its mixture composition to paddy field weed
Thing determination of activity is reported
Experiment purpose：Anilofos, cyhalofop-butyl and metamifop and its different blended are determined under laboratory greenhouse condition of pot
With composition to subjects barnyard grass（Echinochloa crusgalli）, moleplant seed（Leptochloachinensis）, Sha
Careless section weeds difformed galingale herb（Cyperus difformis）Fresh weight preventive effect after 15 days, and its synergy is have rated, it is mixture
The formulation development and agriculture chemical registration field control effectiveness test of medicament provide scientific basis.
For examination target:Barnyard grass（Echinochloa crusgalli）, moleplant seed（Leptochloachinensis）, it is different
Type nutgrass flatsedge（Cyperus difformis）.Hot-house culture weeds are sprayed sample to the heart of 3 leaf 1 or so with sprayer respectively
Processing.It is placed in after processing in greenhouse and cultivates observation.Calculate fresh weight preventive effect.（NY/T1155.7-2006）
Two-spot compounds evaluation method：Herbicide mode of application is evaluated according to Colby methods, its formula is：E0=X+Y-XY/100
X, Y are respectively the Relative fresh weight preventive effect of single dose 1 and single dose 2 when dosage is a or b to weeds；E0For single dose 1 and single dose 2
Desired value when dosage is a+b.
Ternary built synergy evaluation method：Herbicide synergy is evaluated according to Colby methods（NY/T1155.7-
2006）, its formula is as follows：
A：Anilofos are with Relative fresh weight preventive effect during single dose consumption；
B：Cyhalofop-butyl is with Relative fresh weight preventive effect during single dose consumption；
C：Metamifop is with Relative fresh weight preventive effect during single dose consumption；
E0：Theoretical Relative fresh weight preventive effect when anilofos, cyhalofop-butyl He three kinds of pharmacy mix of metamifop；
E：Relative fresh weight preventive effect when anilofos, cyhalofop-butyl He three kinds of pharmacy mix of metamifop；
Evaluation criterion：As E- E0During ＞ 10%, synergistic effect is shown as；As -10% ＜ E- E0During ＜ 10%, show as being added and make
With；As E- E0During ＜ -10%, antagonism is shown as.Result of the test is shown in Table 1.
As can be seen from Table 1, anilofos, cyhalofop-butyl He metamifop mixture two-by-two, integrated control effect highest only has
41.1%, highest synergy is 11.82%, and after ternary built, minimum integrated control effect is 81.12%, and most bottom synergy is 32.11%, table
Reveal significant synergistic effect, there is extraordinary anti-to grassy weed barnyard grass, moleplant seed and sedge weed difformed galingale herb
Except effect, highest integrated control effect can reach that synergistic function is substantially after 97.45%, compounding after ternary built, particularly Sha barnyard grass
Phosphorus single dose is all undesirable to the barnyard grass of 3 leaves, moleplant seed and difformed galingale herb effect, but with cyhalofop-butyl, metamifops compounding after,
Cyhalofop-butyl can be significantly improved He the preventive effect of metamifop, illustrate anilofos to cyhalofop-butyl He metamifop have compared with
Strong synergistic effect.In a word, ternary built is notable to preventive effect synergy, with promotional value.
2nd, field control effectiveness test
2.1 experiments one：Inventor has carried out example of formulations 1 in Anhui Changfeng County in 2016 for market town（20.5% Sha barnyard grass
Phosphorus Qing fluorine Cao Zhi metamifop missible oil）, example of formulations 2（20% anilofos Qing fluorine Cao Zhi metamifops can divide
Dissipate oil-suspending agent）, example of formulations 3（21.5% anilofos Qing fluorine Cao Zhi metamifop suspension emulsions）With example of formulations 4
（48% anilofos Qing fluorine Cao Zhi metamifop water dispersible granules）Prevent and treat the examination of dry seeded rice field after seedling weeds field efficacy
Test, compared for the preventive effect between different formulations, it was confirmed that security of the mixture preparation to the heart direct-sowing dry rice seedlings of 3 leaf 1.This area
Soil property is drab soil pH6.6, the content of organic matter 14.Spraying period is on June 10th, 2016, and weather is fine, 18 ~ 32 DEG C of temperature.
Rice varieties are the magnificent hybrid rice of favour, and paddy rice is in the heart of 3 leaf 1 during spray, and weeds are in 3-4 leaf phases, field main weeds species
For barnyard grass（Coverage accounts for whole weed community 65%）, difformed galingale herb（Coverage accounts for whole weed community 32%）.Plot area 67
Square metre, it is repeated 4 times, random district's groups arrangement.Using conventional spray-on process, 30 kilograms of mu dispenser liquid.Respectively at 15 days, 30 days after medicine
Preventive effect is investigated, result of the test is shown in Table 2.
Field control effectiveness test result shows that anilofos, cyhalofop-butyl are He metamifop ternary composition is to rice terrace barnyard grass
Grass and difformed galingale herb have preferable preventive effect.It can be seen that in 15 days preventive effects and the preventive effect data of 30 days by table 2 and pass through ternary
Preventive effect will be apparently higher than two-spot complex composition and single dose after compounding.In recommended drug scope innerlich anwenden, to rice safety, and increase
Production effect is obvious, its 48% anilofos Qing fluorine Cao Zhi metamifop water dispersible granules（15%+25%+8%）Synergy reaches
30.53%, it is significant for production weeding volume increase, it can be seen that, anilofos, cyhalofop-butyl He metamifop ternary
Compounded combination is worth having promotional value.
2.2 experiments two：Inventor has carried out example of formulations 1 in 2016 in Hubei Tianmen City Yue Kou towns（20.5% Sha
Barnyard grass phosphorus Qing fluorine Cao Zhi metamifop missible oil）, example of formulations 2（20% anilofos Qing fluorine Cao Zhi metamifops can
Scattered oil-suspending agent）, example of formulations 3（21.5% anilofos Qing fluorine Cao Zhi metamifop suspension emulsions）Implement with preparation
Example 4（48% anilofos Qing fluorine Cao Zhi metamifop water dispersible granules）Prevent and treat Direct sowing rice field after seedling weeds field efficacy
Experiment, compared for the preventive effect between different formulations, it is determined that security of the mixture preparation to the edema with the heart involved direct seading rice seedling of 3 leaf 1.The ground
Area's soil property is brown soil pH6.8, the content of organic matter 18.Spraying period is on June 21st, 2016, and weather is fine, temperature 21 ~ 35
℃.Rice varieties are that the high novel species industry China in Jing Zhou accounts for king, and paddy rice is in the heart of 3 leaf 1 during spray, and weeds are in the 4-5 leaf phases, and field is main
Weeds species is barnyard grass（Coverage accounts for whole weed community 45%）, moleplant seed（Coverage accounts for whole weed community 22%）, it is special-shaped
Nutgrass flatsedge（Coverage accounts for whole weed community 25%）.67 square metres of plot area, is repeated 4 times, random district's groups arrangement.Using routine
Spray-on process, 30 kilograms of mu dispenser liquid.Respectively at 15 days after medicine, 30 days investigation preventive effects, result of the test is shown in Table 3.
Show from the field control effectiveness test result in Hubei Tianmen Yue Kou towns, anilofos, cyhalofop-butyl and metamifop three
First composition has preferable preventive effect to rice terrace barnyard grass, moleplant seed and difformed galingale herb.By table 3 15 days preventive effects and 30 days
Preventive effect data can be seen that the preventive effect after ternary built will be apparently higher than two-spot complex composition and single dose.In recommended drug
Scope innerlich anwenden, to rice safety, and production-increasing function is significantly, and its 48% anilofos cyanogen fluorine grass ester metamifop moisture dissipates
Granula（15%+25%+8%）Synergy reaches 32.42%, significant for production weeding volume increase, it can be seen that, anilofos,
Cyhalofop-butyl is He metamifop ternary built combined value must have promotional value.
The illustrative embodiments that above-described embodiment uses only for explanation inventive principle, but the present invention is not limited only to
This, those skilled in the art can make various improvement and change in the case where not departing from real situation of the present invention, and these improve and become
More fall within protection scope of the present invention.
Claims (7)
1. a kind of herbicidal composition, it is characterised in that active component is comprising anilofos, cyhalofop-butyl He metamifop, three
The weight ratio of person is 10~25：10~25：4~10.
2. Herbicidal combinations according to claim 1, it is characterised in that the anilofos, cyhalofop-butyl He oxazole acyl are careless
The weight of amine is than more preferably 10~15：20~25：8~10, optimal proportion is 15：25：8.
3. according to the Herbicidal combinations of claim 1 or 2, it is characterised in that the Herbicidal combinations also add comprising pesticidal preparations
Conventional auxiliary element in work.
4. the Herbicidal combinations according to any claim in claim 1-3, it is characterised in that described weeding
Composition also includes one or more other agricultural active compositions.
5. herbicidal composition according to claim 4, it is characterised in that other agricultural active compositions are conditioning agent.
6. the herbicidal composition according to claim 1-5 is used for the purposes for preventing and kill off noxious plant.
7. purposes according to claim 6, it is characterised in that the noxious plant is paddy field weed.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372585A (en) * | 2017-08-18 | 2017-11-24 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition |
| CN109832296A (en) * | 2017-11-27 | 2019-06-04 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing anilofos, cyhalofop-butyl and pyraclonil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376577A (en) * | 2016-10-26 | 2017-02-08 | 广东中迅农科股份有限公司 | Weeding composition containing metamifop |
| CN107372585A (en) * | 2017-08-18 | 2017-11-24 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition |
-
2017
- 2017-05-31 CN CN201710396584.2A patent/CN107114397A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376577A (en) * | 2016-10-26 | 2017-02-08 | 广东中迅农科股份有限公司 | Weeding composition containing metamifop |
| CN107372585A (en) * | 2017-08-18 | 2017-11-24 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372585A (en) * | 2017-08-18 | 2017-11-24 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition |
| CN109832296A (en) * | 2017-11-27 | 2019-06-04 | 佛山市盈辉作物科学有限公司 | A kind of herbicidal composition containing anilofos, cyhalofop-butyl and pyraclonil |
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