CN115968895B - Agricultural field herbicide composition and application thereof - Google Patents
Agricultural field herbicide composition and application thereof Download PDFInfo
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- CN115968895B CN115968895B CN202211617946.3A CN202211617946A CN115968895B CN 115968895 B CN115968895 B CN 115968895B CN 202211617946 A CN202211617946 A CN 202211617946A CN 115968895 B CN115968895 B CN 115968895B
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- agricultural field
- herbicide composition
- clomazone
- field herbicide
- active ingredients
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Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides an agricultural field herbicide composition and application thereof, and belongs to the technical field of agricultural herbicides. The agricultural field herbicide composition provided by the invention comprises active ingredients and auxiliary ingredients, wherein the active ingredients consist of pyriftalid and clomazone, and the weight ratio of the pyriftalid to the clomazone is 50:1-1:50. The agricultural field herbicide composition provided by the invention consists of the active ingredients with different action mechanisms, has obvious synergistic effect, quick response, long lasting period and increased action sites, and reduces the field dosage of the active ingredients, thereby reducing the production and use costs and being beneficial to delaying the generation of drug resistance of weeds; and simultaneously, the weeding spectrum is enlarged, and broadleaf weeds and partial gramineous weeds in the wheat fields can be effectively prevented and removed. The weeding composition provided by the invention has multiple functions of sealing, conducting and contact killing, has lasting efficacy, quick and thorough weeding, no recurrence, obvious effect, environmental friendliness and low toxicity to human 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 clomazone and isoxazolinone herbicide are selective pre-emergence treatment agents, have broad herbicidal spectrum, have contact killing effect and are effective on important resistant weeds. The clomazone has safety 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. The weeding effect on broadleaf weeds is better than that of grassy weeds, and the broad-leaf herbicide is an ideal mixed partner for broadleaf herbicides.
The pyriproxyfen is a novel phenylpyrazole contact herbicide, is a novel phenylpyrazole postemergence herbicide, has selectivity to cereal crops, is a pre-emergence herbicide and a postemergence herbicide, and can effectively and rapidly prevent and remove broadleaf weeds in 2-4 leaf periods of wheat fields. The medicine has good quick-acting property, high activity and strong selectivity, but has strong contact killing activity and poor conductivity, and under the conditions of low dosage and uneven application, the phenomena of incomplete grass death and green turning are easy to occur.
In the actual process of agricultural production, the application of chemical agents is the most effective means for controlling plant diseases, weeds, but the most easily generated problem by chemical control of weeds is the generation of weed resistance. And the chemical herbicide compound or compounding which is easy to cause a series of reasonable problems such as medicament residue, environmental pollution and the like has the positive characteristics of expanding the weeding spectrum, improving the control effect, prolonging the application period, reducing the dosage, reducing the phytotoxicity, reducing the residue, delaying the occurrence and development of weed drug resistance and the like.
Disclosure of Invention
The invention provides an agricultural field herbicide composition and application thereof, and the composition has the positive characteristics of enlarging a weeding spectrum, improving a control effect, prolonging a dosing period, reducing the dosage, reducing phytotoxicity, reducing residues, delaying the occurrence and development of drug resistance and the like.
In order to achieve the above purpose, the invention provides an agricultural field herbicide composition, which comprises active ingredients and auxiliary ingredients, wherein the active ingredients consist of pyriproxyfen and clomazone, and the weight ratio of the pyriproxyfen to the clomazone is 50:1-1:50, and the agricultural field herbicide composition is commercially available through various channels.
Preferably, the weight ratio of the active ingredients of pyriftalid to the clomazone is 40:1-1:40, more preferably, the weight ratio of the active ingredients of pyriftalid to the clomazone is 3:1.
Preferably, the active ingredients of pyriftalid and clomazone account for 5-80% of the agricultural field herbicide by weight.
Preferably, the auxiliary components comprise a carrier and an auxiliary agent.
Preferably, the carrier is one or more of water, solvent and filler, and the auxiliary agent comprises at least one surfactant, and 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 more of N, N-dimethylformamide, cyclohexanone, toluene, xylene, dimethyl sulfoxide, methanol, ethanol, trimethyl cyclohexanone, 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 an osmotic agent; in this embodiment, the surfactant is a single or a complex formulation of a conventional nonionic 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, alkyl diphenyl ether disulfonate magnesium salt, triethanolamine salt, agro-emulsion 400# (benzyl dimethyl phenol polyoxyethylene ether), agro-emulsion 700# (alkylphenol formaldehyde resin polyoxyethylene ether), ningemulsion 36# (phenethyl phenol formaldehyde resin polyoxyethylene ether), agro-emulsion 1600# (phenethyl phenol polyoxyethylene polypropylene ether), ethylene oxide-propylene oxide block copolymer, OP series (nonylphenol polyoxyethylene ether), BY series (castor oil polyoxyethylene ether), agro-emulsion 33# (alkylaryl polyoxyethylene polyoxypropylene ether), span series (sorbitol anhydride monostearate), tween series (sorbitan fatty acid ester polyoxyethylene ether) or AEO series (fatty alcohol polyoxyethylene ether).
The dispersing agent is selected from one or more of polycarboxylate, lignosulfonate, alkylphenol ethoxylate formaldehyde condensate sulfate, calcium alkylbenzenesulfonate, naphthalene sulfonate formaldehyde condensate sodium salt, alkylphenol ethoxylate, fatty amine ethoxylate, fatty acid ethoxylate or glycerin fatty acid ester ethoxylate.
The wetting agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, nekal BX, wetting penetrating agent F, fructus Gleditsiae Abnormalis powder, faeces Bombycis or soapberry powder.
The penetrating agent is selected from one or more of penetrating agent JFC (fatty alcohol polyoxyethylene ether), penetrating agent T (diisooctyl maleate sulfonate), azone or organic silicon.
The thickener is selected from one or more of gelatin, sodium carboxymethyl cellulose, hydroxyethyl cellulose, sodium polyacrylate, modified starch, xanthan gum, bentonite, silicon dioxide or aluminum magnesium silicate. .
The antifreezing agent is selected from one or a mixture of more of ethylene glycol, propylene glycol, glycerol or urea.
The defoamer 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.
Such materials are commercially available from a variety of sources.
Preferably, the agricultural field herbicide composition is in the form of wettable powder, water dispersible granules, dispersible oil suspension, microemulsion or water suspension.
The invention also provides application of the agricultural field herbicide composition in preventing and killing broadleaf weeds and grassy weeds in a wheat field.
Preferably, the broadleaf weeds and grassy weeds in the wheat fields are at least one selected from the group consisting of cleavers, alopecias, shepherd's purse, wild oat, descurainia sophia, chickweed, radix et rhizoma zingiberis, veronica, tremella and spas.
The invention also provides application of the agricultural field herbicide composition in preventing and controlling weeds before crop planting or after sowing and before seedling emergence.
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, and the weeding composition with different action mechanisms is used together, so that the weeding spectrum is enlarged, the generation of weed drug resistance is delayed, and the service life of the pesticide is prolonged.
2. The weeding composition has obvious synergistic effect, has sealing, contact killing and internal sucking effects, and the interaction among the activities of the components is not simple superposition, but obvious synergistic effect, so that the field dosage of the effective components is reduced, the production and use cost is reduced, and the pollution of pesticide residues to the environment is reduced.
3. The weeding composition disclosed by the invention solves the problems of wheat Tian Bufen gramineous weeds and hard-to-remove broadleaf weeds, 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 application.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1. Water dispersible granule
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of pyriftalid and clomazone are added into a carrier, and a surfactant and other functional auxiliary agents are added into the carrier, mixed, subjected to jet milling, added with 10-25% of water, and then kneaded, granulated, dried and screened to prepare a water dispersible granule product; or spraying water, granulating, drying, and sieving to obtain the final product. The main equipment includes mixer, jet mill, kneader, extrusion granulator, drying room or fluidized bed, or boiling granulator, sieving machine.
Example 1: (66.3% of clomazone and pyriftalid water dispersible granule)
The formula comprises the following components: pyriproxyfen, 65%; 1.3% of clomazone; 6% of wetting agent sodium dodecyl benzene sulfonate; dispersant alkyl naphthalene sulfonate formaldehyde condensate, 6%; and the balance of the filling attapulgite.
Example 2: (44% clomazone and pyriftalid water dispersible granule)
The formula comprises the following components: pyriproxyfen, 40%; 1% of clomazone; sodium dodecyl benzene sulfonate as wetting agent, 5%; dispersant alkyl naphthalene sulfonate formaldehyde condensate, 8%; and the balance of the filling attapulgite.
2. Aqueous suspension agent
The preparation method comprises the following steps: according to the formula proportion, the active ingredients of pyriftalid, clomazone, a surfactant and other functional additives are sequentially placed in a reaction kettle, water is added and mixed uniformly, and the product is obtained through high-speed shearing, wet sanding and homogenizing and filtering. The main equipment is a batching kettle, a colloid mill or a homogenizing mixer and a sand mill.
Example 3: (33% of the aqueous suspension of clomazone and pyriftalid)
The formula comprises the following components: pyriproxyfen, 30%; 3% of clomazone; emulsifying agent agricultural emulsion NP-10,2%; dispersing agent polycarboxylate, 8%; the thickener is xanthan gum and magnesium aluminum silicate, and the dosage is 0.14% and 1.4% respectively; 3% of antifreeze glycol; 0.2% of defoaming agent silicone compound; water, balance.
Example 4: (24% of the aqueous suspension of clomazone and pyriftalid)
The formula comprises the following components: pyriproxyfen, 20%; clomazone, 4%; emulsifying agent agricultural emulsion NP-10,2%; a dispersant polycarboxylate, 6%; the thickener is xanthan gum and magnesium aluminum silicate, and the dosage is 0.16% and 1.6% respectively; 3% of antifreeze glycol; 0.2% of defoaming agent silicone compound; water, balance.
Example 5: (28% of the aqueous suspension of clomazone and pyriftalid)
The formula comprises the following components: pyriproxyfen, 21%; clomazone, 7%; emulsifying agent agricultural emulsion NP-10,2%; a dispersant polycarboxylate, 7%; the thickener is xanthan gum and magnesium aluminum silicate, and the dosage is 0.13% and 1.3% respectively; 3% of antifreeze glycol; 0.2% of defoaming agent silicone compound; water, balance.
3. Dispersible oil suspension agent
The preparation method comprises the following steps: according to the formula proportion, the active ingredients of the clomazone, the pyriftalid, the surfactant and other functional additives are sequentially placed in a reaction kettle, and are evenly mixed by oiling, high-speed shearing and wet sanding are carried out, and finally, the product is obtained by homogenizing and filtering. The main equipment is a batching kettle, a colloid mill or a homogenizing mixer and a sand mill.
Example 6: (30% clomazone and pyriftalid dispersible oil suspension)
The formula comprises the following components: pyriproxyfen, 15%; clomazone, 15%; oil dispersing polycarboxylate, 1% and emulsifier which is a compound nonionic emulsifier, 18%; the thickener is selected from organic bentonite and gas-phase white carbon black, and the dosage is 1.5 percent and 0.8 percent respectively; oil, balance.
Example 7: (24% clomazone and pyriftalid dispersible oil suspension)
The formula comprises the following components: pyriproxyfen, 6%; clomazone, 18%; oil dispersing polycarboxylate, 1% and emulsifier which is a compound nonionic emulsifier, 18%; the thickener is selected from organic bentonite and gas phase white carbon black, and the dosage is 1.8 percent and 1 percent respectively; oil, balance.
Example 8: (18% clomazone-pyriftalid dispersible oil suspension)
The formula comprises the following components: pyriproxyfen, 3%; clomazone, 15%; oil dispersing polycarboxylate, 1% and emulsifier which is a compound nonionic emulsifier, 18%; the thickener is selected from organic bentonite and gas-phase white carbon black, and the dosage is 2.0 percent and 1.5 percent respectively; oil, balance.
4. Microemulsion preparation
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of pyriftalid and clomazone are completely dissolved by using a solvent and a cosolvent, then other auxiliary agents are added, the mixture is uniformly mixed, finally water is added, and the mixture is fully stirred, so that the insecticidal composition microemulsion preparation is prepared.
Example 9: (5.5% clomazone-pyriftalid microemulsion)
The formula comprises the following components: pyriproxyfen, 0.5%; 5% of clomazone; the solvent is cyclohexanone and N, N-dimethylformamide, and the dosage is 15% and 15% respectively; the emulsifier is selected from agricultural emulsion 602# and agricultural emulsion 500# with the dosage of 9% and 6% respectively; water, balance.
5. Wettable powder
The preparation method comprises the following steps: according to the formula proportion of the embodiment, the active ingredients of pyriftalid and clomazone are added into a carrier, and a surfactant and other functional auxiliary agents are added into the carrier, mixed, and then mixed after jet milling, so as to prepare the wettable powder. The main equipment is a mixer and an air flow pulverizer.
Example 10: (58.8% of wettable powder of clomazone and pyriftalid)
The formula comprises the following components: pyriproxyfen 1.4%; 57.4% of clomazone; wetting agent sodium dodecyl sulfate, 2%; dispersant calcium lignosulfonate, 2%; filler white carbon black, 5 percent, filler kaolin and the balance.
Example 11: (76.5% of wettable powder of clomazone and pyriftalid)
The formula comprises the following components: pyriproxyfen 1.5%; clomazone, 75%; wetting agent sodium dodecyl sulfate, 1%; dispersant calcium lignosulfonate, 2%; 7% of filler white carbon black, 7% of filler kaolin and the balance of filler kaolin.
Indoor bioactivity assay:
1. And an indoor combined toxicity biological assay test is adopted to verify whether the pyriproxyfen and the clomazone have a synergistic effect after being compounded.
1.1 Reagents for test
96% Of clomazone technical, fumeishi company in the United states; 95% pyriftalid original drug, the Weifang reaches chemical industry Co., ltd.
1.2 Test targets
Galium and Myrtle
1.3 Test methods
Indoor activity assay was performed using a greenhouse potting assay. And (3) filling evenly mixed nutrient soil (flower soil: vermiculite is 2:1) into plastic pots with the diameter of 12cm according to NY/T1156-2006, sowing 30 seeds of cleavers which are cultured until the seeds are exposed, covering the surfaces of the seeds with a soil layer of 1cm, and culturing the seeds in a controllable sunlight greenhouse. The temperature of the white day in the greenhouse during the test is 25+/-2 ℃, the temperature of the night is 20+/-2 ℃, the illumination period is 16D/8L, the illumination intensity is 1400 mu mol/(m 2. S), and the relative humidity is 70+/-5%. After emergence, 20 plants of each pot of seedlings are fixed, and are cultivated to 2-4 leaf stages, and spray tower stem and leaf spraying treatment is adopted, wherein the spraying amount is 450L/hm 2, and the spraying pressure is 0.275MPa.
And (3) preparation of a medicament: the test agent is prepared by a method of preparing mother liquor and then diluting the mother liquor to required dosage (active ingredients) in sequence. Each treatment was repeated 4 times. The signs of weed damage were recorded in detail after application. And (3) shearing fresh weight parts on the ground of each treated weed after the treatment for 21d, weighing, calculating the fresh weight inhibition rate, and evaluating the toxicity of the medicament to the target according to the fresh weight inhibition rate.
1.4 Data statistics and analysis
Fresh weight inhibition ratio (%) = [ (fresh weight of plant in blank control area-fresh weight of plant in treated area)/fresh weight of plant in blank control area ] ×100
Combined action evaluation method: the virulence equation, EC50 value (mg/L) and co-toxicity coefficient were calculated using DPS software analysis.
The method comprises the steps of respectively establishing a virulence regression equation by taking the logarithmic value of the concentration (mg/L) of the medicament as an independent variable x and the several value of the fresh weight inhibition ratio as a dependent variable y, calculating the EC50 of a single medicament and each proportion by adopting DPS software, and calculating the virulence index and the co-virulence coefficient (CTC) according to the grand cloud Pei method. The calculation formula is as follows: (with pyriproxyfen as standard agent, its virulence index is 100):
measured virulence index (ATI) = (standard agent EC 50/test agent EC 50) ×100
Theoretical Toxicity Index (TTI) = Σ (toxicity index ATI of an active ingredient x percentage of the active ingredient in a mixture)
Co-toxicity coefficient (CTC) = [ actual drug mixed toxicity index (ATI)/drug mixed Theoretical Toxicity Index (TTI) ]100
CTCs are synergistic when greater than 120, antagonistic when less than 80, additive when 80-120.
1.5 Measurement results
1.5.1 Toxicity measurement results of pyriproxyfen and clomazone on pig seedling
TABLE 1 determination of virulence of active ingredient in different proportions on pig seedling
As can be seen from Table 1, when the co-toxicity coefficients of the pyriproxyfen and the clomazone are more than 120 in the range of 40:1-1:40, the complex of the pyriproxyfen and the clomazone shows a synergistic effect on wheat Tian Zhu seedlings, especially the pyriproxyfen: when the mass ratio of the clomazone is 3:1, the synergy is most obvious, and the co-toxicity coefficient is 171.
1.5.2 Toxicity measurement results of pyriproxyfen and clomazone
TABLE 2 toxicity measurement results of different ratios of active ingredients on Myrtaceae
As can be seen from Table 2, when the ratio of pyriproxyfen to clomazone is 40:1-1:40, the co-toxicity coefficients of the pyriproxyfen and the clomazone are both greater than 120, which indicates that the pyriproxyfen and the clomazone are compounded to show a synergistic effect on Gan Xiaomai field weeds, especially the pyriproxyfen: when the mass ratio of the clomazone is 3:1, the synergy is most obvious, and the co-toxicity coefficient is 167.
As shown in tables 1 and 2, when the common toxicity coefficient of pyriproxyfen and the clomazone is greater than 120 in the range of 40:1-1:40, the complex of the pyriproxyfen and the clomazone shows a synergistic effect on wheat field weeds, and the pyriproxyfen is shown as a synergistic effect: when the mass ratio of the clomazone is 3:1, the synergy is most obvious, and the co-toxicity coefficient is more than 167.
And (3) verifying the field efficacy:
2, by adopting a field efficacy test method, the synergistic effect of the pyriproxyfen and the clomazone on controlling weeds in a wheat field is further proved when the pyriproxyfen and the clomazone are compounded in a field.
2.1 Test methods
In order to better illustrate the effective control effect of the present invention, the field efficacy control of grassy weeds and broadleaf weeds in wheat fields was performed using the above examples 2,3,4,5,6,7,8,9, 10 and 36% clomazone SC and 2% pyriproxyfen SC, and the test results are shown in tables 3 and 4 below.
The field pharmacodynamic test is to apply 12 treatments such as medicament, control medicament, clear water, etc., the area of each test cell is 25m 2, each treatment is repeated for 4 times, the cells are arranged randomly, and 0.5m protection rows are arranged between each cell and around the test field. The conventional spraying is carried out by using a manual sprayer of industrial and agricultural type-16 type, the spraying is carried out in the 2-4 leaf period of wheat field weeds, clear water is used as a control, no rainfall exists in the application period of 24 hours, no special bad weather exists in the test period, and the conventional management is carried out in the field. Each of 15d and 30d after the administration was investigated 1 time and 2 times in total.
The growth of wheat was visually examined 3, 7, 15 and 30 days after the drug, and whether or not drug damage occurred was observed. The weed control was investigated 15d and 30d after the application of the pesticide, and the test was carried out according to the "pesticide field efficacy test criterion" GB/T17980.30-2000. Four points are sampled on the diagonal of each cell, each point is 0.25m 2, and the number of weed plants is recorded. The control effect calculation method comprises the following steps:
2.2 results of field efficacy test
TABLE 3 test results of control efficacy of 15d treatment agent against weed strains in wheat fields
Table 330 d test results of controlling effects of treatment agent on weed plants in wheat fields
From the above data, it can be seen that the control effect of the agents of examples 2 to 10 on wheat field weeds is significantly higher than that of the control agent 1 (36% clomazone SC) and the control agent 2 (2% pyriftalid SC) after the effective components are compounded and applied for 15d and 30 d. 15d and 30d after the medicine, the control effect of the implementation medicine on the weeds in the wheat fields is over 90 percent, which shows that after two active ingredients of the clomazone and the pyriproxyfen are compounded according to a certain proportion, obvious synergistic effect exists, and after the pyriproxyfen and the clomazone are compounded according to a certain proportion, the following steps: 1, the prevention effect is best, and the average prevention effect on four weeds reaches more than 98% after 15d and 30d after the medicine. After the two effective components are compounded, the composition has obvious prevention effect on grassy weeds and broadleaf weeds, and has good quick-acting property and lasting effect. Experiments show that the compound composition obviously increases the drug effect, widens the weeding spectrum, reduces the dosage of the medicament, and reduces the production cost, pesticide residue and environmental pollution.
In addition, the indoor activity measurement and the field efficacy test show that the treatment liquid medicine of the preparation of the embodiment has no influence on the growth of crops, is safe to surrounding beneficial organisms and has good environmental compatibility. The weeding composition has the advantages of small dosage, wide weeding spectrum, quick response, long lasting period and delay of the generation of drug resistance of weeds. Therefore, the clomazone and pyriftalid are ideal compound weeding products. The research and development and popularization of the invention have important significance for peasant enrichment and local ecological environment protection.
Claims (8)
1. The application of the agricultural field herbicide composition is characterized in that the agricultural field herbicide composition is applied to preventing and killing broad-leaved weeds and grassy weeds in a wheat field, and comprises active ingredients and auxiliary ingredients, wherein the active ingredients consist of pyriproxyfen and clomazone, and the weight ratio of the pyriproxyfen to the clomazone is 40:1-1:40.
2. The use of the agricultural field herbicide composition according to claim 1, wherein the active ingredients of pyriftalid and clomazone account for 5-80% by weight of the agricultural field herbicide.
3. The use of an agricultural field herbicide composition according to claim 1, wherein the auxiliary ingredients include carriers and other adjuvants.
4. Use of an agricultural field herbicide composition according to claim 3, characterized in that the carrier is one or more of a solvent and a filler, the further adjuvant comprising at least one surfactant.
5. The use of an agricultural field herbicide composition according to claim 4, wherein the surfactant comprises one or more of an emulsifier, a dispersant, a wetting agent or a penetrant; the other auxiliary agents also comprise one or more of an antifreezing agent, a thickening agent, a stabilizing agent, a disintegrating agent and an antifoaming agent.
6. The use of an agricultural field herbicide composition according to claim 2, wherein the formulation of the agricultural field herbicide composition is wettable powder, water dispersible granule, dispersible oil suspension, microemulsion or water suspension.
7. The use of an agricultural field herbicide composition according to claim 1, wherein the wheat field broadleaf weeds and grasses are selected from at least one of galium, myrtle, shepherd's purse, wild oat, descurainia sophia, chickweed, corktree bark, grandma grandiflora, tremella and spatholobus stem.
8. The use of an agricultural field herbicide composition according to any one of claims 1-6, characterized in that it is applied in the control of pre-emergence weeds before or after crop planting.
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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 |
| 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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2022
- 2022-12-15 CN CN202211617946.3A patent/CN115968895B/en active Active
Patent 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 |
| 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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| CN115968895A (en) | 2023-04-18 |
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