CN105379733B - A kind of flufenacet Garagard compounding corn field herbicide - Google Patents
A kind of flufenacet Garagard compounding corn field herbicide Download PDFInfo
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- CN105379733B CN105379733B CN201510827759.1A CN201510827759A CN105379733B CN 105379733 B CN105379733 B CN 105379733B CN 201510827759 A CN201510827759 A CN 201510827759A CN 105379733 B CN105379733 B CN 105379733B
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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
- 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
- A01N43/82—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 three ring hetero atoms
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/66—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
- A01N43/68—1,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
- A01N43/70—Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a kind of corn field herbicide compositions, the herbicide is made of active constituent flufenacet and Garagard, active constituent accounts for the 40%~80% of the composition total weight, and the weight ratio of active constituent flufenacet and Garagard is 5: (1~5).The herbicide can be configured to suspending agent, wettable powder or water dispersible granules.The herbicide is prevented and kill off for corn field annual gramineous weed and broad leaved weed, can mitigate the pollution to underground water, and being compatible with the environment property is good, and have many advantages, such as to corn safety, low toxicity is efficient, broad weed-killing spectrum.
Description
Technical field
The invention belongs to pesticide fields, relate in particular to a kind of corn field herbicide, more specifically, it relates to a kind of
The corn field herbicide of flufenacet Garagard compounding.
Technical background
Broadcasting the medicament that management of weeds before rear seedling carries out soil treatment currently used for corn mainly has alachlor, Acetochlor, different
The single doses such as methoxalamine, propisochlor, atrazine, metribuzin and its mix preparation.Wherein, Acetochlor, atrazine and second green bristlegrass are closed
Agent is the larger herbicide kind of China's corn field application area.Although Acetochlor is annual to annual gramineae and part wealthy
Leaf weeds, such as barnyard grass, lamb's-quarters, Amaranthus retroflexus, purslane have a preferable preventive effect, but its to acalypha copperleaf, horse race seedling, piemarker,
The preventive effects such as wild broomcorn millet are poor, and nearly unavailable to horse race seedling (Zhao Wei difference herbicide Control Weeds in Maize Field test of pesticide effectiveness plants protect
Protect .2011 Augusts).And Acetochlor is poor to corn safety, in the case where dosage is larger or low temperature and high relative humidity, can influence it
Growth and development (influence China agronomy notification .2006 August of the gorgeous soil moisture of Huang Chun to Acetochlor poisoning).Although atrazine
There is preferable preventive effect to annual gramineae and broad leaved weed, but its lasting period is long, comes into operation for a long time, is easy to soil
Earth, surface water and underground water pollute, and the crop as caused by the rolling action of rainwash enters the atrazine in river
Adverse drug events also happen occasionally.Currently, it has been forbidden to use in European Union (thanks to the residue dynamics of civilized atrazines in the soil
With Coptotermes firmosanus Pesticide Science journal .2003 March).Spring Corn Area of Northeast of China in China uses second green bristlegrass mixture, causes for a long time
Some areas Weed-control effect declines, and weed community changes, the frequency and density that piemarker, field thistle, bitter dish and Siberian cocklebur occur
Be substantially increased (king's bodyguard steady northeast part spring maize second green bristlegrass mixture preventive effect decline the reason of and countermeasure Maize Sciences .2007 2
Month).
Flufenacet (Flufenacet), No. CAS：142459-58-3, chemical name：The fluoro- N- isopropyls -2- (5- of 4'-
Trifluoromethyl-1,3,4- thiadiazoles -2- bases oxygen) antifebrin, belong to herbicide of aryloxyl acetamide type, by inhibiting cell division
With growth and play a role, be mainly used for before bud or bud rear defence be except Tanakas' annual gramineae such as corn, wheat, barley, soybean
The broad leaved weed that weeds and certain small-sized seeds are sprouted, such as lady's-grass, eleusine indica, Itanlian rye.But at flufenacet soil
Reason is poor to large seed broad leaved weed preventive effect, and herbicide controlling spectrum is relatively narrow.Therefore, flufenacet is mainly and broad leaved weed weeding
Agent is used in compounding.Currently, flufenacet and metribuzin, diflufenican, pendimethalin and isoxaflutole isoreactivity composition
Compound product merchandized handling.Flufenacet is to corn safety, to jade under the conditions of dosage is 300 and 600g a.i./ha
Rice seed is sprouted and growth of seedling is without obvious inhibiting effect (Saayman-du Toit A.Phytotoxicity of seven
graminicides on maize.South African Journal of Plant and Soil.2002).In addition, fluorine thiophene
Careless being compatible with the environment property of amine is good, and there is only the surface layer faces of soil, will not be seeped into the deep layer of soil, reduce its polluted underground water
It may the study on the synthesis Hebei University of Science and Technology master thesis .2013 May of flufenacets (Liu's treasured arrogate to oneself).Currently, domestic
Group is obtained about a variety of mixture of herbicides such as flufenacet and nicosulfuron, fluroxypyr, cyhalofop-butyl, picloram
Close the patented mandate (CN101965846A, CN101946781A, CN101999373A, CN102334485B) of object.
Garagard (terbuthylazine), No. CAS：5915-41-3, chemical name：The chloro- 4- spy's fourth amino -6- second of 2-
Amino -1,3,5-triazines belongs to triazine herbicide, is mainly absorbed by the root of plant, is applied to corn, peanut, jowar
Etc. the crop fields prevent and kill off a variety of weeds.Garagard has good effect to most annual broadleaf weeds, such as Amaranthus retroflexus, dent
Amaranth, carp intestines, black nightshade, lamb's-quarters etc., but preventive effect (the Li Guang pines to broad leaved weed is substantially less than to the preventive effect of grassy weed
Garagard is in Summer Maize Field in Shandong Province application technical research Shandong Agricultural University master thesis .2005 April).Garagard
Solubility in water be 8.5mg/L, substantially less than atrazine (33.0mg/L), and the half-life period of Garagard in the soil compared with
Short, the half-life period in sandy soil and clay is respectively 23 days and 37 days, and the residual of Garagard is can't detect at soil depth 10cm
Stay (James.Degradation and movement of terbuthylazine in soil.Proceedings of
The New Zealand Plant Protection Conference.1998).In addition, safety of the Garagard to crop
Preferably, atrazine is above to the safety of corn, cotton and peanut.(the flat Garagards of Wang Li and prometryn, atrazine pair 3
Modern .2005 Augusts are compared in the safety of kind crop).
Invention content
It is an object of the invention to avoid drawbacks described above, a kind of cornfield weeding of flufenacet Garagard compounding is provided
Agent, the preemergence application after corn is broadcast can not only be used for preventing and kill off grassy weed, but also can prevent broad leaved weed.The Herbicidal combination
Object can not only expand herbicide controlling spectrum, but also can mitigate the pollution to underground water, and being compatible with the environment property is good, and to corn safety.
The technical proposal of the invention is realized in this way：This flufenacet Garagard compounds corn field herbicide,
It is characterized in that：Herbicide includes the flufenacet that weight percent is 40%~80% and Garagard active constituent and auxiliary agent；Its
The weight ratio of middle active constituent flufenacet and Garagard is 5: (1~5).
The corn field herbicide of the flufenacet Garagard compounding, flufenacet and Garagard weight ratio 5:3.
The corn field herbicide of the flufenacet Garagard compounding, the application form of herbicide is suspending agent, is helped
Agent is prevented including 0.2~1% wetting agent, 0.3~3% dispersant, 0.2~5% thickener, 0.1~10% stabilizer, 5~10%
Freeze agent and 0.1~2% antifoaming agent, surplus is supplied with water.
The corn field herbicide of the flufenacet Garagard compounding, suspending agent includes following weight percent
's：
95% flufenacet active compound：21.05~70.18%,
97% Garagard active compound：6.87~41.24%,
In above-mentioned auxiliary agent：
Wetting agent be neopelex, lauryl sodium sulfate, agriculture breast BY110, agriculture breast 1601, agriculture breast 1602,
In Nongru-700 any one or more 0.2%~1%；
Dispersant be sodium lignin sulfonate, calcium lignosulfonate, metal carboxylate dispersant Tersperse2700, NO, NNO,
In MF-5 any one or more 0.3%~3%；
Thickener be aluminium-magnesium silicate, xanthan gum, in polyvinyl alcohol any one or more 0.2%~5%；
Stabilizer is in bentonite, precipitated calcium carbonate, white carbon, diatomite, crushed crude pearlite, silica gel, talcum powder, calcium silicates
Any one or more 0.1%~10%；
Antifreezing agent be 1,2- propylene glycol, ethylene glycol, sodium chloride, in urea any one or more 5%~10%.
Antifoaming agent be silicone, BX-822, palmitic acid, in lauric acid any one or more 0.1%~2%；
Surplus is water.
The corn field herbicide of the flufenacet Garagard compounding, the suspending agent select following weight percent
Ratio：(5：3)
The application form of the corn field herbicide of the flufenacet Garagard compounding, herbicide is water-dispersible grain
Agent, auxiliary agent include that 1~10% dispersant, 1~10% wetting agent, 3~6% disintegrant, 2~8% binders and 3~6% collapse
Agent is solved, surplus is supplied with carrier.
The corn field herbicide of the flufenacet Garagard compounding, water dispersible granules include following weight percent
Ratio：
95% flufenacet active compound：21.05~70.18%,
97% Garagard active compound：6.87~41.24%,
In above-mentioned auxiliary agent：
Dispersant is that lignosulfonates, naphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound, polycarboxylate etc. contain anion
In the surfactant of group (such as carboxylate radical, sulfonate radical) any one or more 1~10%；
Wetting and penetrating agent be SOPA, pull open powder, petroleum sodium sulfonate, sldium lauryl sulfate, JFC, wetting agent T, agriculture breast 2000,
In Tween60, octyl sulfate, sodium dodecyl benzene sulfonate, gleditsia sinensis, isopropanol any one or more 1~10%；
Disintegrant is arbitrary in sodium carboxymethylcellulose, soluble starch, polyethyl acrylate, calcium chloride, ammonium sulfate
One or more 3~6%；
Binder is appointing in xanthans, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, dextrin, soluble starch
Anticipate one or more 2~8%；
Carrier is kaolin, precipitated calcium carbonate, bentonite, montmorillonite, talcum powder, clay, diatomite, corncob cellulose, white
Any one or more in carbon black, precipitated calcium carbonate supplies surplus.
The corn field herbicide of the flufenacet Garagard compounding, the water dispersible granules select following weight
Percentage：(5：3)
The application form of the corn field herbicide of the flufenacet Garagard compounding, herbicide is wettable powder
Agent, auxiliary agent include 1~15% dispersant and 1~10% wetting agent, and surplus is supplied with carrier.
The corn field herbicide of the flufenacet Garagard compounding, wettable powder includes following weight percent
Ratio：
95% flufenacet active compound：21.05~70.18%,
97% Garagard active compound：6.87~41.24%,
In above-mentioned auxiliary agent：
Dispersant is one or more 1~15% in lignosulfonates, NNO, pull open powder；
Wetting agent is Negel, alkyl naphthalene sulfonic acid calcium, alkyl phenol polyoxyethylene ether, fatty alcohol phenol polyethenoxy ether
In one or more 1~10%；
Carrier is that clay, kaolin, diatomite, calcium carbonate, any one or more in white carbon supply surplus.
The corn field herbicide of the flufenacet Garagard compounding, the wettable powder select following weight
Percentage：(5：3)
The advantageous effect of the corn field herbicide of flufenacet Garagard compounding provided by the invention：
(1) preventive effect is improved, synergistic effect is apparent, expands herbicide controlling spectrum：It can be significantly improved to lady's-grass, Cowhells after the two compounding
The preventive effect of the broad leaved weeds and grassy weed such as grass, piemarker and acalypha copperleaf shows synergistic effect, to lady's-grass, eleusine indica, piemarker
The preventive effects such as fiber crops and acalypha copperleaf are improved up to 90% or more, and field is substantially better than Common Herbicides to the preventive effect of weeds.
(2) safety for improving crop, avoids corn phytotoxicity：Relative to blank control, corn yield increasing 9.7%-
14.7%.There is symptom of chemical damage without corn after finding flufenacet Garagard medication during experiment, also has no this at present
Two kinds of medicaments cause corn the relevant report of poisoning.
Specific implementation mode
The embodiment of the present invention is selected from for processing 100g preparations using active constituent：
Content is 95% flufenacet active compound (Anhui Fengle Agricultural Co., Ltd),
Content is 97% Garagard active compound (Shandong Bin Dong Science and Technology Ltd.s),
Corresponding additive is commercially available.
1 40% flufenacet Garagard suspending agent (5 of embodiment：3)
Its processing step is：After taking flufenacet and Garagard active compound to be dried according to above-mentioned formula, weigh, crushing,
Active compound, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are put into modulation kettle successively, after agitated machine mixes well,
Just disperseed with high-speed shearing machine, effective ingredient grain size is then ground in sand mill to 2 μm~3 μm, through quality inspection qualification
It is finished product afterwards.
2 60% flufenacet Garagard water dispersible granules (5 of embodiment：1)
Its processing step is：According to above-mentioned formula take flufenacet and Garagard active compound, dispersant, wetting agent, disintegrant,
The auxiliary agents such as antifoaming agent, binder and a small amount of filler, by wet method or dry pulverization process, after being allowed to miniaturization, then it is dry by spraying
The techniques such as dry, thermopnore, extruding, disk granulation are granulated, and water dispersible granules can be made.
3 70% flufenacet Garagard wettable powder (5 of embodiment：2)
Its processing step is：According to above-mentioned formula weigh material, according to after first more less, first weigh after auxiliary agent after light, first filler
Principle mixed, crushed using pin rod milling, make material size between 150~200 mesh, by airslide disintegrating mill into one
The crushing of step carries out two-stage mixing using whirlwind dust excluder and impulse bag trap and is made.
4 45% flufenacet Garagard suspending agent (5 of embodiment：4)
Its processing step is：After taking flufenacet and Garagard active compound to be dried according to above-mentioned formula, weigh, crushing,
Active compound, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are put into modulation kettle successively, after agitated machine mixes well,
Just disperseed with high-speed shearing machine, effective ingredient grain size is then ground in sand mill to 2 μm~3 μm, through quality inspection qualification
It is finished product afterwards.
5 80% flufenacet Garagard water dispersible granules (5 of embodiment：3)
Its processing step is：According to above-mentioned formula take flufenacet and Garagard active compound, dispersant, wetting agent, disintegrant,
The auxiliary agents such as antifoaming agent, binder and a small amount of filler, by wet method or dry pulverization process, after being allowed to miniaturization, then it is dry by spraying
The techniques such as dry, thermopnore, extruding, disk granulation are granulated, and water dispersible granules can be made.
6 57% flufenacet Garagard wettable powder (5 of embodiment：4.5)
Its processing step is：According to above-mentioned formula weigh material, according to after first more less, first weigh after auxiliary agent after light, first filler
Principle mixed, crushed using pin rod milling, make material size between 150~200 mesh, by airslide disintegrating mill into one
The crushing of step carries out two-stage mixing using whirlwind dust excluder and impulse bag trap and is made.
7 50% flufenacet Garagard suspending agent (5 of embodiment：5)
Its processing step is：After taking flufenacet and Garagard active compound to be dried according to above-mentioned formula, weigh, crushing,
Active compound, dispersant, wetting agent, viscosity modifier, antifreezing agent etc. are put into modulation kettle successively, after agitated machine mixes well,
Just disperseed with high-speed shearing machine, effective ingredient grain size is then ground in sand mill to 2 μm~3 μm, through quality inspection qualification
It is finished product afterwards.
8 75% flufenacet Garagard water dispersible granules (5 of embodiment：2.5)
Its processing step is：According to above-mentioned formula take flufenacet and Garagard active compound, dispersant, wetting agent, disintegrant,
The auxiliary agents such as antifoaming agent, binder and a small amount of filler, by wet method or dry pulverization process, after being allowed to miniaturization, then it is dry by spraying
The techniques such as dry, thermopnore, extruding, disk granulation are granulated, and water dispersible granules can be made.
9 80% flufenacet Garagard wettable powder (5 of embodiment：3)
Its processing step is：According to above-mentioned formula weigh material, according to after first more less, first weigh after auxiliary agent after light, first filler
Principle mixed, crushed using pin rod milling, make material size between 150~200 mesh, by airslide disintegrating mill into one
The crushing of step carries out two-stage mixing using whirlwind dust excluder and impulse bag trap and is made.
Flufenacet measures the herbicidal effect of corn field weed and synergy with Garagard mixture and tests
1. for examination weeds and cultural method
It is lady's-grass (Digitaria sanguinalis), acalypha copperleaf (Acalypha australis) for examination weeds.
Specific cultural method：In the built-in soil of the polypots of high 10cm, diameter 11cm at 4/5, using bottom infiltrating irrigation side
Formula makes the soil in basin alms bowl moisten completely, by pretreated for trying the uniform broadcasting of target weeds seed in soil surface, per basin alms bowl
In 20 seeds, then earthing 0.8cm is placed in greenhouse and cultivates, and condition of culture is：15~20 DEG C/25~30 DEG C (N/ of temperature
D), 0/8000~10000lx of illumination (N/D), light application time 12h/12h (N/D), relative humidity are 70% ± 10%.Culture period
Between by bottom infiltration in a manner of regular replenishment growth needed for moisture.
2. reagent agent and preparation method
Reagent agent：95% flufenacet active compound (Anhui Fengle Agricultural Co., Ltd), 97% Garagard it is former
Medicine (Shandong Bin Dong Science and Technology Ltd.s).
The active compound needed for electronic balance precise, with dmso solution, finally with 0.1% Tween 80 aqueous solution
Above-mentioned single dose is diluted to required concentration.
3. application method
After waiting for that weed seed is sowed 24 hours, ASS-1 types pesticide spraying system (XR8003 nozzles, atomisation pressure are utilized
0.3MPa, spouting liquid 400L/ha) it is handled, often processing is repeated 4 times, and sets the processing without medicament as control.Handle postposition
In continuing to cultivate in greenhouse, the growing state of routine observation target weeds weighs aerial part fresh weight after 21d, it is anti-to calculate fresh weight
Effect.
4. synergy evaluation method
Herbicide mode of application (NY/T 1155.7-2006) is evaluated according to Gowing methods,
Its formula is as follows：
E0=X+Y-X × Y/100, X is the fresh weight inhibition rate to target weeds when flufenacet is applied alone with certain dosage in formula；
Y is the fresh weight inhibition rate to target weeds when Garagard is applied alone with certain dosage；E0It is mixed for flufenacet and two kinds of medicaments of Garagard
Theoretical value of the used time to target weeds fresh weight inhibition rate.To target weeds when E is flufenacet and two kinds of pharmacy mix of Garagard
The measured value of fresh weight inhibition rate.
Evaluation criterion is：Work as E-E0It is expressed as synergistic effect when ＞ 10%, phase is expressed as -10%≤E-E0≤10%
Add effect, works as E-E0Antagonism is expressed as when ＜ -10%.
The preventive effect of 1 flufenacet of table and Garagard and its compounded combination to lady's-grass, acalypha copperleaf
As can be seen from Table 1, after flufenacet and Garagard compounding to the fresh weight preventive effect of lady's-grass and acalypha copperleaf compared with the two list
It is significantly improved when solely using.To the difference (E-E of the fresh weight preventive effect of lady's-grass and acalypha copperleaf and theoretical preventive effect after the two compounding0)
Respectively between 4.2~12.8,5.0~12.4.Wherein, flufenacet and Garagard compound proportion are 5：Under the conditions of (1~5),
To the difference (E-E of the fresh weight preventive effect and theoretical preventive effect of lady's-grass and acalypha copperleaf0) 10 are all higher than, show apparent synergistic effect.
Flufenacet：Garagard is 5:When 3, to the difference (E-E of the fresh weight preventive effect and theoretical preventive effect of lady's-grass and acalypha copperleaf0) maximum.
The embodiment that the present invention enumerates is intended to further illustrate the combination and processing method of the present invention, without right
The scope of the present invention constitutes any restrictions.
Claims (3)
1. a kind of flufenacet Garagard compounds corn field herbicide, it is characterised in that：Herbicide is by weight percent
40%~80% flufenacet and Garagard active constituent and auxiliary component composition, the herbicide application form are
Water dispersible granules, auxiliary agent include following weight percent：1~10% dispersant, 1~10% wetting agent, 3~6% disintegration
Agent and 2~8% binders supply surplus with carrier, the weight ratio of active constituent flufenacet and Garagard in the herbicide
It is 5: 3.
2. the corn field herbicide of flufenacet Garagard compounding according to claim 1, it is characterised in that：The water
The auxiliary agent of dispersible granule selects following ingredient：
The dispersant is any one in lignosulfonates, naphthalene sulfonate, naphthalenesulfonate formaldehyde condensation compound, polycarboxylate
Or it is a variety of；
The wetting agent be SOPA, pull open powder, petroleum sodium sulfonate, sldium lauryl sulfate, JFC, wetting agent T, agriculture breast 2000,
Any one or more in Tween60, octyl sulfate, sodium dodecyl benzene sulfonate, gleditsia sinensis；
The disintegrant is arbitrary in sodium carboxymethylcellulose, soluble starch, polyethyl acrylate, calcium chloride, ammonium sulfate
It is one or more；
The binder is appointing in xanthans, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol, dextrin, soluble starch
It anticipates one or more；
The carrier is kaolin, precipitated calcium carbonate, bentonite, montmorillonite, talcum powder, clay, diatomite, corncob cellulose, white
Any one or more in carbon black supplies surplus.
3. a kind of corn field herbicide of flufenacet Garagard compounding according to claim 2, it is characterised in that：
The water dispersible granules select following weight percent：
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| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| EP2832223A1 (en) * | 2012-03-30 | 2015-02-04 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition |
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| CN1527666A (en) * | 2001-06-13 | 2004-09-08 | �����ɷ� | Herbicidal composition |
| EP2832223A1 (en) * | 2012-03-30 | 2015-02-04 | Ishihara Sangyo Kaisha, Ltd. | Herbicidal composition |
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