CN115968895A - Agricultural field herbicide composition and application thereof - Google Patents
Agricultural field herbicide composition and application thereof Download PDFInfo
- Publication number
- CN115968895A CN115968895A CN202211617946.3A CN202211617946A CN115968895A CN 115968895 A CN115968895 A CN 115968895A CN 202211617946 A CN202211617946 A CN 202211617946A CN 115968895 A CN115968895 A CN 115968895A
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- CN
- China
- Prior art keywords
- agricultural field
- herbicide composition
- dichloroclomazone
- pyraflufen
- field herbicide
- Prior art date
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Abstract
The invention provides an agricultural field herbicide composition and application thereof, belonging to the technical field of agricultural herbicides. The agricultural field herbicide composition provided by the invention comprises effective components and auxiliary components, wherein the effective components consist of pyraflufen-ethyl and dichloroclomazone, and the weight ratio of the pyraflufen-ethyl to the dichloroclomazone is 50. The agricultural field herbicide composition provided by the invention consists of active ingredients with different action mechanisms, has obvious synergistic action, quick response, long lasting period and increased action sites, reduces the field dosage of the active ingredients, thereby reducing the production and use cost and being beneficial to delaying the generation of drug resistance of weeds; meanwhile, the weeding spectrum is expanded, and broadleaf weeds and partial gramineous weeds in the wheat field can be effectively prevented and removed. The weeding composition provided by the invention has multiple effects of sealing, conducting and contact killing, has lasting drug effect, quick and thorough weeding, no relapse, obvious effect, environmental friendliness and low toxicity to people and livestock.
Description
Technical Field
The invention belongs to the technical field of pesticide herbicides, and particularly relates to an agricultural field herbicide composition and application thereof.
Background
The dichloroclomazone and the isoxazolinone herbicide are selective seedling pretreatment agents, have wide weed control spectrum, have contact killing effect and are effective on important resistant weeds. The dichloroclomazone is safe to various crop rotation, is the only herbicide which can be used for 3 main winter crops such as wheat, barley, rape and the like at present, and can provide greater flexibility for crop rotation. And the weeding effect on broadleaf weeds is superior to that of grass weeds, and the broadleaf herbicide is an ideal mixed application partner.
Pyraflufen-ethyl is a novel phenylpyrazole contact herbicide, is a novel phenylpyrazole post-emergence herbicide, has selectivity on cereal crops, is a pre-emergence herbicide and a post-emergence herbicide, and can efficiently and quickly prevent and remove broadleaf weeds in the 2-4 leaf stage of a wheat field. The pesticide has good quick action, high activity and strong selectivity, but has strong contact activity and poor conductivity, and is easy to cause incomplete weed death and green return under the conditions of low dosage and uneven pesticide application.
In the actual process of agricultural production, the application of chemical agents is the most effective means for controlling plant diseases, pests and weeds, but the problem that the chemical control of weeds is most likely to cause is the generation of drug resistance of weeds. Moreover, the compounding or mixing of the chemical herbicide which has reasonable problems such as medicament residue, environmental pollution and the like due to the long-term continuous high-dose application of the single chemical herbicide has the positive characteristics of expanding the weeding spectrum, improving the control effect, prolonging the application suitable period, reducing the dosage, reducing the phytotoxicity, reducing the residue, delaying the generation and development of the drug resistance of weeds and the like, and the compounding or mixing of the herbicide is one of the most effective methods for solving the problems.
Disclosure of Invention
The invention provides an agricultural field herbicide composition and application thereof, and the composition has the positive characteristics of expanding a weeding spectrum, improving the control effect, prolonging the application suitable period, reducing the dosage, reducing the phytotoxicity, reducing the residue, delaying the occurrence and development of drug resistance and the like.
In order to achieve the above objects, the present invention provides an agricultural field herbicide composition comprising active ingredients and auxiliary ingredients, wherein the active ingredients consist of pyraflufen-ethyl and dichloroclomazone in a weight ratio of 50 to 1:50, which can be purchased from various commercial sources.
Preferably, the weight ratio of the active ingredients pyraflufen to dichloroclomazone is 40.
Preferably, the weight percentage content of the active ingredients pyraflufen-ethyl and dichloroclomazone in the agricultural field herbicide is 5-80%.
Preferably, the auxiliary components comprise a carrier and an auxiliary agent.
Preferably, the carrier is one or more of water, a solvent and a filler, and the auxiliary agent comprises at least one surfactant, which can be selected according to different application occasions and requirements.
In the above scheme, the water is preferably deionized water.
The solvent is selected from one or a mixture of more of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethylcyclohexanone, N-octyl pyrrolidone, ethanolamine, triethanolamine, isopropylamine, N-methyl pyrrolidone, propanol, butanol, ethylene glycol, diethylene glycol, butyl ether, ethanolamine, ethyl acetate or acetonitrile.
The filler is selected from one or a mixture of more of kaolin, diatomite, bentonite, attapulgite, white carbon black, starch or light calcium carbonate.
Preferably, the surfactant comprises one or more of an emulsifier, a dispersant, a wetting agent or a penetrant; in this embodiment, the surfactant is a single or a combination of a common nonionic surfactant or anionic surfactant.
The auxiliary agent also comprises one or more of an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent and an antifoaming agent.
The emulsifier is selected from one or a mixture of more of OP series phosphate (nonylphenol polyoxyethylene ether phosphate), 600# phosphate (phenylphenol polyoxyethylene ether phosphate), styrene polyoxyethylene ether ammonium sulfate, magnesium alkyldiphenyl ether disulfonate, triethanolamine salt, nostoc 400# (benzyldimethylphenol polyoxyethylene ether), nostoc 700# (alkylphenol formaldehyde resin polyoxyethylene ether), ningru 36# (phenethylphenol formaldehyde resin polyoxyethylene ether), nostoc 1600# (phenethylphenol polyoxyethylene polypropylene ether), ethylene oxide-propylene oxide block copolymer, OP series (nonylphenol polyoxyethylene ether), BY series (castor oil polyoxyethylene ether), nostoc 33# (alkylaryl polyoxyethylene polyoxypropylene ether), span series (sorbitan monostearate), tween series (sorbitan polyoxyethylene ether) or AEO series (fatty alcohol polyoxyethylene ether).
The dispersing agent is selected from one or a mixture of a plurality of polycarboxylate, lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, calcium alkylbenzene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether, fatty amine polyoxyethylene ether, fatty acid polyoxyethylene ether or glycerin fatty acid ester polyoxyethylene ether.
The wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrant F, saponin powder, silkworm excrement or soapberry powder.
The penetrating agent is selected from one or a mixture of more of penetrating agent JFC (fatty alcohol-polyoxyethylene ether), penetrating agent T (diisooctyl maleate sulfonate), azone or organic silicon.
The thickening agent is selected from one or a mixture of more of gelatin, sodium carboxymethylcellulose, hydroxyethyl cellulose, sodium polyacrylate, modified starch, xanthan gum, bentonite, silicon dioxide or magnesium aluminum silicate. .
The antifreezing agent is a mixture consisting of one or more of ethylene glycol, propylene glycol, glycerol or urea.
The defoaming agent is selected from one or a mixture of more of silicone oil, silicone compounds, C10-C20 saturated fatty acid compounds or C8-C10 fatty alcohol compounds.
The disintegrating agent is selected from one or more of bentonite, urea, ammonium sulfate, aluminum chloride, low-substituted hydroxypropyl cellulose, lactose, citric acid, succinic acid or sodium bicarbonate.
The stabilizer is selected from one or more of epoxidized soybean oil, epichlorohydrin, BHT, ethyl acetate or triphenyl phosphate.
The above-mentioned substances are commercially available from various sources.
Preferably, the agricultural field herbicide composition is in the form of wettable powder, water dispersible granules, dispersible oil suspending agent, microemulsion or water suspending agent.
The invention also provides application of the agricultural field herbicide composition in any technical scheme in controlling and removing broadleaf weeds and grassy weeds in wheat fields.
Preferably, the wheat field broad-leaved weeds and grassy weeds are at least one selected from cleavers, alopecurus, shepherd's purse, wild oats, descurainia, chickweed, caraway, veronica, white fungus and ricepaperplant.
The invention also provides application of the agricultural field herbicide composition in any technical scheme in prevention and treatment of weeds before crop planting or before emergence of seedlings after sowing.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the invention is composed of active ingredients with different action mechanisms, the action sites are increased, the weeding compositions with different action mechanisms are used together, the weeding spectrum is enlarged, the generation of drug resistance of weeds is delayed, and the service life of pesticides is prolonged.
2. The weeding composition has obvious synergistic effect, has sealing, contact killing and systemic effects, has obvious synergistic effect instead of simple superposition of the activities of all the components, reduces the field dosage of the active ingredients, reduces the production and use cost, and reduces the pollution of pesticide residues to the environment.
3. The weeding composition solves the problems of part of gramineous weeds and hard-to-remove broadleaf weeds in wheat fields, enlarges the weeding range and reduces the application times.
4. The invention is safe to human and livestock and has good environmental compatibility.
5. The invention has low cost and simple preparation process, and is suitable for large-area popularization and use.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1. Water dispersible granule
The preparation method comprises the following steps: adding pyraflufen-ethyl and dichloroclomazone serving as active ingredients into a carrier according to the formula proportion of an embodiment, adding a surfactant and other functional auxiliaries, mixing, performing jet milling, adding 10-25% of water, kneading, granulating, drying and screening to obtain a water dispersible granule product; or spraying water to the pulverized powder in a boiling granulator, granulating, drying, and sieving to obtain the final product. The main equipment comprises a mixer, a jet mill, a kneader, an extrusion granulator, a drying room or fluidized bed drying, or a boiling granulator and a sieving machine.
Example 1: (66.3% dichloroclomazone pyraflufen water dispersible granule)
The formula is as follows: pyraflufen-ethyl, 65%; 1.3% of dichloroclomazone; wetting agent sodium dodecylbenzene sulfonate, 6%; 6% of dispersant alkyl naphthalene sulfonate formaldehyde condensate; attapulgite is filled, and the balance is.
Example 2: (44% Dichloroclomazone-pyraflufen water dispersible granule)
The formula is as follows: pyraflufen-ethyl, 40%; 1% of dichloroclomazone; wetting agent sodium dodecylbenzene sulfonate, 5%; 8% of dispersant alkyl naphthalene sulfonate formaldehyde condensate; attapulgite is filled, and the balance is.
2. Aqueous suspension agent
The preparation method comprises the following steps: according to the formula proportion, the active ingredients of pyraflufen-ethyl, dichloroclomazone, surfactant and other functional additives are sequentially placed in a reaction kettle, water is added for uniform mixing, and the product is obtained through high-speed shearing, wet sanding and finally homogeneous filtration. The main equipment is a batching kettle, a colloid mill or a homogenizing mixer, and a sand mill.
Example 3: (33% Dichloroclomazone-pyraflufen suspension concentrate)
The formula is as follows: 30% of pyraflufen-ethyl; 3% of dichloroclomazone; emulsifier Nongru NP-10,2%; dispersant polycarboxylate, 8%; the thickening agent is selected from xanthan gum and aluminum magnesium silicate, and the use amounts are 0.14% and 1.4% respectively; 3% of antifreeze glycol; 0.2 percent of defoaming agent silicone compound; water and the balance.
Example 4: (24% Dichloroclomazone-pyraflufen suspension concentrate)
The formula is as follows: 20% of pyraflufen-ethyl; 4% of dichloroclomazone; emulsifier Nongru NP-10,2%; 6% of dispersant polycarboxylate; the thickening agent is selected from xanthan gum and aluminum magnesium silicate, and the use amounts are respectively 0.16% and 1.6%; 3% of antifreeze glycol; 0.2 percent of defoaming agent silicone compound; water and the balance.
Example 5: (28% Dichloroclomazone-pyraflufen-ethyl water suspension concentrate)
The formula is as follows: pyraflufen-ethyl, 21%; 7% of dichloroclomazone; emulsifier Nongru NP-10,2%; dispersant polycarboxylate, 7%; the thickening agent is selected from xanthan gum and aluminum magnesium silicate, and the using amounts are 0.13% and 1.3% respectively; 3% of antifreeze glycol; 0.2 percent of defoaming agent silicone compound; water and the balance.
3. Dispersible oil suspension
The preparation method comprises the following steps: according to the formula proportion, the active ingredients of the dichloroclomazone, the pyraflufen-ethyl, the surfactant and other functional additives are sequentially placed in a reaction kettle, added with oil and uniformly mixed, and subjected to high-speed shearing, wet sanding and finally homogeneous filtration to obtain the product. The main equipment is a batching kettle, a colloid mill or a homogeneous mixer, and a sand mill.
Example 6: (30% dichloroclomazone pyraflufen dispersible oil suspending agent)
The formula is as follows: pyraflufen-ethyl, 15%; 15% of dichloroclomazone; 1% of oil dispersant polycarboxylate, 18% of compound nonionic emulsifier; the thickening agent is organic bentonite and fumed silica, and the use amounts are respectively 1.5% and 0.8%; oil, the balance.
Example 7: (24% dichloroclomazone pyraflufen dispersible oil suspension concentrate)
The formula is as follows: 6% of pyraflufen-ethyl; 18% of dichloroclomazone; 1% of oil dispersant polycarboxylate, 18% of compound nonionic emulsifier; the thickening agent is organic bentonite and fumed silica, and the use amounts of the organic bentonite and the fumed silica are 1.8% and 1%, respectively; oil, the balance.
Example 8: (18% dichloroclomazone pyraflufen dispersible oil suspension concentrate)
The formula is as follows: pyraflufen-ethyl, 3%; dichloroclomazone, 15%; 1% of oil dispersant polycarboxylate, 18% of compound nonionic emulsifier; the thickening agent is organic bentonite and fumed silica, and the use amounts are respectively 2.0% and 1.5%; oil and the balance.
4. Microemulsion formulations
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the effective components pyraflufen-ethyl and dichloroclomazone are completely dissolved by using a solvent and a cosolvent, then other auxiliaries are added and mixed uniformly, finally water is added, and the mixture is fully stirred, so that the microemulsion preparation of the insecticidal composition can be prepared.
Example 9: (5.5% Dichloroclomazone-pyraflufen microemulsion)
The formula is as follows: pyraflufen-ethyl, 0.5%; 5% of dichloroclomazone; the solvent is cyclohexanone and N, N-dimethylformamide, and the dosage is 15% and 15% respectively; the emulsifier is selected from agricultural milk 602# and agricultural milk 500# with the dosage of 9% and 6% respectively; water and the balance.
5. Wettable powder
The preparation method comprises the following steps: adding pyraflufen-ethyl and dichloroclomazone serving as active ingredients into a carrier according to the formula proportion of an embodiment, adding a surfactant and other functional auxiliaries into the carrier, mixing, carrying out air flow crushing, and mixing to obtain the wettable powder. The main equipment is mixer and jet mill.
Example 10: (58.8% Dichloroclomazone-pyraflufen wettable powder)
The formula is as follows: pyraflufen-ethyl, 1.4%; 57.4% of dichloroclomazone; wetting agent sodium dodecyl sulfate, 2%; dispersant calcium lignosulfonate, 2%; 5% of filler white carbon black, and the balance of filler kaolin.
Example 11: (76.5% Dichloroclomazone-pyraflufen wettable powder)
The formula is as follows: pyraflufen-ethyl, 1.5%; 75% of dichloroclomazone; wetting agent sodium dodecyl sulfate, 1%; dispersant calcium lignosulfonate, 2%; 7% of filler white carbon black, and the balance of filler kaolin.
Indoor biological activity determination:
1. an indoor combined toxicity bioassay test is adopted to verify whether the synergistic effect is achieved after the pyraflufen-ethyl and the dichloroclomazone are compounded.
1.1 reagent
96% of a crude clomazone, richames, usa; 95% pyraflufen-ethyl original pesticide, weifang Xichengda chemical industry Co., ltd.
1.2 test targets
Galium aparine and alocasia rhodobryum
1.3 test methods
Indoor activity assays were performed using the greenhouse potting assay. According to NY/T1156-2006, uniformly mixed nutrient soil (flower soil: vermiculite: 2. During the test period, the temperature in the greenhouse is 25 +/-2 ℃ in the daytime, 20 +/-2 ℃ in the evening and the illumination periodThe period is 16D/8L, and the illumination intensity is 1400 mu mol/(m) 2 S), relative humidity (70. + -. 5)%. After seedling emergence, 20 seedlings are set in each pot, cultured to the 2-4 leaf stage, sprayed by stem leaves of a spray tower, and the liquid spraying amount is 450L/hm 2 The spraying pressure is 0.275MPa.
Preparing a medicament: the test medicament is prepared by preparing mother liquor and then sequentially diluting the mother liquor to required dosage (effective components). Each treatment was set to 4 replicates. Weed damage symptoms were recorded in detail after application. Shearing the ground fresh weight parts of the weeds to be treated at 21d after treatment, weighing, calculating the fresh weight inhibition rate, and evaluating the toxicity of the medicament on the target by using the fresh weight inhibition rate.
1.4 data statistics and analysis
Fresh weight inhibition (%) = [ (fresh weight of plant in blank control area-fresh weight of plant in treatment area)/fresh weight of plant in blank control area ] × 100
The combined action evaluation method comprises the following steps: and (3) analyzing by adopting DPS software, and calculating a toxicity equation, an EC50 value (mg/L) and a co-toxicity coefficient.
Respectively establishing virulence regression equations by taking the logarithm value of the medicament concentration (mg/L) as an independent variable x and taking the value of the fresh weight inhibition rate as a dependent variable y, calculating EC50 of a single agent and each proportion by adopting DPS software, and calculating a virulence index and a cotoxicity coefficient (CTC) according to a Sunfei method. The calculation formula is as follows: (pyraflufen-ethyl is taken as a standard medicament, and the toxicity index is 100):
measured virulence index (ATI) = (standard agent EC 50/test agent EC 50). Times.100
Theoretical virulence index (TTI) = ∑ (virulence index ATI of an active ingredient x the percentage of the active ingredient in the mixture)
Cotoxicity coefficient (CTC) = [ measured virulence index (ATI)/theoretical virulence index of the mixture (TTI) ] × 100
CTC is synergistic when more than 120, antagonistic when less than 80, additive when 80-120.
1.5 results of measurement
1.5.1 toxicity test results of Bispyribac-sodium and Dichloroclomazone compound-paired seedling
TABLE 1 determination of virulence of the seedlings of the pigs by different proportions of the active ingredients
As can be seen from table 1, when the ratio of pyraflufen to dichloroclomazone is 40: when the mass ratio of the dichloroclomazone to the clomazone is 3.
1.5.2 toxicity test results of rhodozyl rhodozyma and dichloroclomazone
TABLE 2 determination of toxicity of effective components in different proportions to Aleurites montana
As can be seen from table 2, when the ratio of pyraflufen-ethyl to dichloroclomazone is 40: when the mass ratio of the dichloroclomazone to the clomazone is 3.
As shown in tables 1 and 2, when the ratio of pyraflufen-ethyl to dichloroclomazone is 40: when the mass ratio of the dichloroclomazone to the clomazone is 3.
And (3) field efficacy verification:
2, a field pesticide effect test method is adopted, and the synergistic effect of the pyraflufen-ethyl and the dichloroclomazone on the control of weeds in the wheat field is further proved.
2.1 test methods
To better illustrate the effective control effect of the present invention, the following examples 2,3,4,5,6,7,8,9, 10 and 36% of dichloroclomazone SC and 2% of pyraflufen SC were used for field effect control of gramineous weeds and broadleaf weeds in wheat fields, and the test results are shown in tables 3 and 4 below.
The field efficacy test is designed to carry out 12 treatments of medicament, contrast medicament, clear water and the like, and the area of each test cell is 25m 2 And 4 times of treatment, cells are randomly arranged, and 0.5m protection rows are arranged between every two cells and around the test field. The Gongnong-16 type manual sprayer is used for carrying out conventional spraying, spraying is carried out in the 2-4 leaf period of weeds in a wheat field, clear water is used as a contrast, rainfall does not occur within 24 hours after pesticide application, special severe weather does not exist during the test period, and the field is subjected to conventional management. Each of the tests was carried out 1 time and 2 times at 15d and 30d after the application.
The growth condition of wheat is visually observed 3, 7, 15 and 30d after the test is carried out, and whether the phytotoxicity occurs or not is observed. The weed control effect is investigated 15d and 30d after the pesticide is applied, and the test is carried out according to the pesticide field efficacy test criterion GB/T17980.30-2000. The investigation method comprises the steps of sampling four points of each cell diagonal line, wherein each point is 0.25m 2 Record the number of weed plants. The prevention effect calculation method comprises the following steps:
2.2 results of the field drug effect test
TABLE 3 results of the control of wheat field weed plants by the 15d treatment agent
TABLE 3 30d control of weeds in wheat field by treatment chemicals
From the data, the control effect of the agents in examples 2-10 on weeds in wheat fields is obviously higher than that of the control agent 1 (36% dichloroclomazone SC) and the control agent 2 (2% pyraflufen SC) after the effective components are compounded and applied for 15d and 30 d. 15 days and 30 days after application, the control effect of the implemented medicament on weeds in the wheat field is over 90 percent, which shows that the two effective components of the dichloroclomazone and the pyraflufen-ethyl are compounded according to a certain proportion to have obvious synergistic effect, and the ratio of the pyraflufen-ethyl to the dichloroclomazone is 3:1, the control effect is best, and the average control effect on four weeds reaches more than 98% at 15d and 30d after the control of the herbicide. After the two active ingredients are compounded, the compound herbicide has obvious control effect on both gramineous weeds and broadleaf weeds, and has good quick-acting property and lasting effect. Experiments show that the compound composition obviously increases the pesticide effect, broadens the weeding spectrum, reduces the using amount of the pesticide, and reduces the production cost, pesticide residue and environmental pollution.
In addition, the indoor activity determination and the field efficacy test show that the treatment liquid medicine of the medicament in the embodiment has no influence on the growth of crops, is safe to the surrounding beneficial organisms and has good compatibility with the environment. The weeding composition has the advantages of small dosage, wide weeding spectrum, quick response, long lasting period and capability of delaying the generation of drug resistance of weeds. Therefore, the dichloroclomazone and the pyraflufen-ethyl are ideal compound weeding products. The research, development and popularization of the invention have important significance for farmers to become rich and for the protection of local ecological environment.
Claims (10)
1. The agricultural field herbicide composition is characterized by comprising effective components and auxiliary components, wherein the effective components consist of pyraflufen-ethyl and dichloroclomazone, and the weight ratio of the pyraflufen-ethyl to the dichloroclomazone is 50.
2. An agricultural field herbicide composition according to claim 1, wherein the weight ratio of the active ingredients pyraflufen-ethyl and dichloroclomazone is 40.
3. The agricultural field herbicide composition of claim 1 or 2, wherein the active ingredients pyraflufen-ethyl and dichloroclomazone are present in the agricultural field herbicide in an amount of 5 to 80% by weight.
4. An agricultural field herbicide composition as claimed in claim 1, wherein the adjunct ingredients include a carrier and an adjuvant.
5. An agricultural field herbicide composition as claimed in claim 4, wherein the carrier is one or more of water, solvent and filler, and the adjuvant comprises at least one surfactant.
6. An agricultural field herbicide composition as claimed in claim 5, wherein the surfactant comprises one or more of an emulsifier, a dispersant, a wetting agent or a penetrant; the auxiliary agent also comprises one or more of an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent and a defoaming agent.
7. The agricultural field herbicide composition of claim 3 or 4 wherein the formulation of the agricultural field herbicide composition is a wettable powder, a water dispersible granule, a dispersible oil suspension, a microemulsion or a water suspension.
8. Use of the agricultural field herbicide composition of any one of claims 1-7 for controlling broad-leaved weeds and grassy weeds in wheat fields.
9. An agricultural field herbicide composition as recited in claim 8 wherein said wheat field broadleaf and grass weeds are selected from at least one of cleavers, alopecurus, shepherd's purse, wild oats, descurainia, chickweed, bovine chickweed, veronica, persimmonia, grasswort and ricepaperplant.
10. Use of an agricultural field herbicide composition as claimed in any one of claims 1 to 7 for controlling pre-planted or post-sown pre-emergent weeds.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054421A (en) * | 1988-08-31 | 1991-09-11 | 日本农药株式会社 | The preparation method of 3-(substituted-phenyl) pyrazole derivatives, its salt, weedicide prepared therefrom and said derivative or salt |
| US20170042155A1 (en) * | 2014-02-23 | 2017-02-16 | Fmc Corporation | Use of 3-isoxazolidinones compounds as selective herbicides |
| CN107920511A (en) * | 2015-08-07 | 2018-04-17 | 拜耳作物科学股份公司 | New application of 2 4,4 dimethyl of (2,4 dichlorophenyl) methyl, 3 isoxazole alkyl ketone as blade face herbicide |
| WO2019243100A1 (en) * | 2018-06-20 | 2019-12-26 | BASF Agro B.V. | Herbicidal combination |
| WO2019243104A1 (en) * | 2018-06-20 | 2019-12-26 | BASF Agro B.V. | Method for controlling herbicide resistant or tolerant weeds |
-
2022
- 2022-12-15 CN CN202211617946.3A patent/CN115968895A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1054421A (en) * | 1988-08-31 | 1991-09-11 | 日本农药株式会社 | The preparation method of 3-(substituted-phenyl) pyrazole derivatives, its salt, weedicide prepared therefrom and said derivative or salt |
| US20170042155A1 (en) * | 2014-02-23 | 2017-02-16 | Fmc Corporation | Use of 3-isoxazolidinones compounds as selective herbicides |
| CN106455569A (en) * | 2014-02-23 | 2017-02-22 | Fmc有限公司 | Use of 3-isoxazolidinones compounds as selective herbicides |
| CN107920511A (en) * | 2015-08-07 | 2018-04-17 | 拜耳作物科学股份公司 | New application of 2 4,4 dimethyl of (2,4 dichlorophenyl) methyl, 3 isoxazole alkyl ketone as blade face herbicide |
| WO2019243100A1 (en) * | 2018-06-20 | 2019-12-26 | BASF Agro B.V. | Herbicidal combination |
| WO2019243104A1 (en) * | 2018-06-20 | 2019-12-26 | BASF Agro B.V. | Method for controlling herbicide resistant or tolerant weeds |
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