86 results about "Flufenacet" patented technology

Herbicidal compositions are disclosed comprising an effective amount of flufenacet, pendimethalin and diflufenican. A method of controlling harmful plants is disclosed. The compositions may be used flexibly, e.g., in post-emergent and / or pre-emergent applications. The compositions may be used prior to sowing a crop. The compositions may provide enhanced compatibility with crops. The compositions may be used on different soil types, e.g., with high-organic matter soils and / or at different soil depths, e.g., at shallow soil depths. The compositions may be used against herbicide-resistant plant species, for example EMR and TSR-resistant species and / or may be used for resistance management. The compositions may be used with various irrigation techniques.

Herbicidal compositions are disclosed, comprising an effective amount of flufenacet, diclofop(-P-methyl) and diflufenican. A method of controlling harmful plants is disclosed. The disclosed herbicidal compositions have an improved application profile with regard to an improved application flexibility of the active compounds extending into post-emergence of the crop and weed plants; and the herbicidal action on the weed plants and at the same time the crop compatibility are improved.

Herbicidal compositions are disclosed comprising an effective amount of flufenacet, diflufenican and metribuzin. A method of controlling harmful plants is disclosed. The compositions may be used flexibly, e.g, in post-emergent and / or pre-emergent applications. The compositions may be used prior to sowing a crop. The compositions may provide enhanced compatibility with crops. The compositions may be used on different soil types, e.g., with high-organic matter soils and / or at different soil depths, e.g., at shallow soil depths. The compositions may be used against herbicide-resistant plant species, for example EMR and TSR-resistant species and / or may be used for resistance management. The compositions may be used with various irrigation techniques.

The invention relates to a herbicidal combination containing flumetsulam. The herbicidal combination is characterized in that: the active ingredients of the herbicidal combination are component A and component B; the component A is the flumetsulam; and the component B is chosen from one or more of the following compounds: acetochlor, butachlor, alachlor, propisochlor, metolachlor, s-metolachlor, propachlor, ethachlor, napropamide, diphenamide, ethaprochlor, dimethenamid, high-effective dimethenamid, flufenacet, metazachlor, allidochlor, pethoxamid, prynachlor and propyzamide. The herbicidal combination can effectively decrease the dosage of the active ingredients per mu, broaden the weed control spectrum of each single agent and effectively control annual or perennial gramineous, broadleaf and cyperaceous weeds in the fields of peanut, soybean, rape, cotton, wheat, potato and other crops, such as green bristlegrass, crabgrass, barnyard grass, Asian sprangletop, speedwell, cocklebur, night shade, redroot amaranth, goosefoot, Indian mallow, cleavers and datura.

Herbicidal compositions are disclosed comprising an effective amount of flufenacet and the other herbicides prosulfocarb and diflufenican. Further, a method of controlling harmful plants is disclosed. The disclosed herbicidal compositions have an improved application profile with regard to a simplified application process which reduces costs for the user and is thus more environmentally compatible. The herbicidal action on the weed plants is markedly improved, and at the same time there is an enhanced crop compatibility. The disclosed herbicidal compositions have an unexpected improvement of crop plant compatibility on addition of a safener on PE application and incorporation. The disclosed herbicidal compositions have an improved application flexibility of the active compounds extending into post-emergence of the crop and weed plants. The herbicidal action on the weed plants is improved, and there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved application flexibility of the active compounds which allows an application prior to sowing of the crop. The herbicidal action on the weed plants and the crop compatibility is markedly improved on pre-sowing application, and at the same time there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved reliability of action on varying irrigation. The reliability of action on varying irrigation is improved. The mixture compensates for possible activity losses via the gas phase and leaching of the active compounds. The disclosed herbicidal compositions have an improved reliability of action on soils having different soil properties. The application flexibility of the mixture on different soil types is improved. The mixture improves in particular the activity and crop compatibility on soils having a relatively high content of organic substances. The disclosed herbicidal compositions have an improved reliability of action on resistant weed plant species. The reliability of action against TSR- and EMR-resistant plant species is improved. The mixture is suitable for an effective resistance management. The disclosed herbicidal compositions have an improved reliability of action at different sowing depths. The mixture improves the reliability of action at different sowing depths.

Herbicidal compositions are disclosed, comprising an effective amount of flufenacet, pendimethalin and metribuzin. A method of controlling harmful plants is disclosed. The compositions may be used flexibly, e.g, in post-emergent and / or pre-emergent applications. The compositions may be used prior to sowing a crop. The compositions may provide enhanced compatibility with crops. The compositions may be used on different soil types, e.g., with high-organic matter soils and / or at different soil depths, e.g., at shallow soil depths. The compositions may be used against herbicide-resistant plant species, for example EMR and TSR-resistant species and / or may be used for resistance management. The compositions may be used with various irrigation techniques.

Herbicidal compositions are disclosed comprising an effective amount of flufenacet and the other herbicide trifluralin. Further, a method of controlling harmful plants is disclosed. The disclosed herbicidal compositions have an improved application profile with regard to a simplified application process which reduces costs for the user and is thus more environmentally compatible. The herbicidal action on the weed plants is increased, and there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improvement of crop plant compatibility and activity on addition of a safener on PE application and incorporation. The disclosed herbicidal compositions have an improved application flexibility of the active compounds extending into post-emergence of the crop and weed plants. The herbicidal action on the weed plants is increased, and there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved application flexibility of the active compounds which allows an application prior to sowing of the crop. The herbicidal action on the weed plants is increased with comparable crop compatibility. The disclosed herbicidal compositions have an improved reliability of action on soils having different soil properties. The application flexibility of the mixture on different soil types is improved. The disclosed herbicidal compositions have an improved reliability of action on resistant weed plant species. The reliability of action against TSR- and EMR-resistant plant species is markedly improved. The mixture is suitable for an effective resistance management.

Herbicidal compositions are disclosed comprising an effective amount of flufenacet and the other herbicides prosulfocarb and metribuzin. Further, a method of controlling harmful plants is disclosed. The disclosed herbicidal compositions have an improved application profile with regard to a simplified application process which reduces costs for the user and is thus more environmentally compatible. The herbicidal action on the weed plants is comparable, and at the same time there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved application flexibility of the active compounds extending into post-emergence of the crop and weed plants. The herbicidal action on the weed plants is improved, and there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved application flexibility of the active compounds which allows an application prior to sowing of the crop. The herbicidal action on the weed plants and the crop compatibility is markedly improved on pre-sowing application, and at the same time there is an enhanced crop compatibility. The disclosed herbicidal compositions have an improved reliability of action on varying irrigation. The reliability of action on varying irrigation is improved. The mixture compensates for possible activity losses via the gas phase and leaching of the active compounds. The disclosed herbicidal compositions have an improved reliability of action on soils having different soil properties: the application flexibility of the mixture on different soil types is improved. The mixture improves in particular the activity on soils having a relatively high content of organic substances at a comparable crop compatibility. The disclosed herbicidal compositions have an improved reliability of action on resistant weed plant species: the reliability of action against TSR- and EMR-resistant plant species is improved. The mixture is suitable for an effective resistance management. The disclosed herbicidal compositions have an improved reliability of action at different sowing depths: the mixture improves the reliability of action at different sowing depths.

The invention belongs to the technical field of pesticides and discloses a weeding composition for a wheat field and a medicinal preparation of the weeding composition. The weeding composition for the wheat field provided by the invention is composed of following ingredients in parts by weight: 20-80 parts of isoproturon, 2-20 parts of diflufenican and 2-20 parts of flufenacet. By utilizing different acting mechanisms of three weedicides including isoproturon, diflufenican and flufenacet, the weeding composition for the wheat field has the advantage that isoproturon, diflufenican and flufenacet are compounded to have a synergistic effect; a ternary mixture can be used for carrying out soil sealing treatment before wheat seedlings grow and carrying out steam-leaf treatment before winter; the weeding composition has a good prevention effect and a long lasting effect, can be used for preventing and treating weeds of the wheat field and can be prepared into a suspending agent, wettable powder or water dispersible granules.

Herbicidal compositions are disclosed, comprising an effective amount of flufenacet and pendimethalin. A method of controlling harmful plants is disclosed. The compositions may be used flexibly, e.g, in post-emergent and / or pre-emergent applications. The compositions may be used prior to sowing a crop. The compositions may provide enhanced compatibility with crops. The compositions may be used on different soil types, e.g., with high-organic matter soils and / or at different soil depths, e.g., at shallow soil depths. The compositions may be used against herbicide-resistant plant species, for example EMR and TSR-resistant species and / or may be used for resistance management. The compositions may be used with various irrigation techniques.

The invention relates to the technical field of pesticides, and discloses a maize seedling post compound herbicide containing flufenacet. The maize seedling post compound herbicide comprises two active components of the flufenacet and nicosulfuron, wherein the weight ratio of the flufenacet to the nicosulfuron is 1-5:1, and preferably, the mass percentage of the flufenacet and the nicosulfuron is10 to 85 percent of the compound herbicide. The compound herbicide not only can prevent the growing of annual grassy weeds in a cornfield, but also can prevent and kill off broad leaved weeds and redcouch grasses, has significant weeding effect and significant synergized action; and one herbicide delivery not only can prevent and kill off weeds in the whole growing time of a crop but also generate no influence on after crops, so the maize seedling post compound herbicide is an ideal herbicide.

The invention belongs to the technical field of pesticide preparations, and particularly relates to a weeding composition containing tritosulfuron pestanal active components. The weeding composition comprises a component A and a component B which serve as the active components, wherein the component A is tritosulfuron pestanal, the component B is one or more of compounds including acetochlor, alachlor, metolachlor, dimethenamid, efficient dimethenamid, propisochlor, propachlor, ethachlor, diphenamide, ethaprochlor, flufenacet, allidochlor, prynachlor, nicosulfuron, rimsulfuron, thifensulfuron, atrazine, cyanazine, simazine, simetryn, ametryn, terbutryn, terbuthylazine, dimethyl tetrachloro, 2, 4-D butyl ester, 2, 4-D isooctyl ester, fluroxypyr, dichloro pyridine acid and fluroxypyr-mepthyl. The weeding composition can greatly improve preventing and removing effects of single doses, enlarges weeding spectrum, reduces dosage per mu (Chinese acre) and is very safe to crops.

The invention discloses a flufenacet preparation method, which comprises synthesis of 2-methylsulfonyl-5-trifluoromethyl-1,3,4-thiadiazole, synthesis of 2-hydroxy-N-(4-fluoroaniline)-N-(1-methylethyl)acetamide and synthesis of 4'-fluoro-N-isopropyl-2-[5-(trifluridine)-1,3,4-thiadiazole-2-imide]acetamide. The optimal flufenacet preparation method is screened by a large number of experiments, the whole process is reasonable in design, particularly the steps of screening optimal reaction conditions and the optimal amount ratio, reaction temperature, reaction time and the like of reaction raw materials, the reaction yield (capable of reaching 90 percent or more) can be greatly increased, side reaction can be reduced, the reaction rate can be increased, the reaction raw materials can be recycled, the production cost is greatly reduced, and a broad application prospect is achieved.

The present Invention relates to a herbicide composition comprising, as active ingredients, at least one compound selected from the thienopyrimidine derivatives represented by the formula (I);wherein R1 represents a fluoroalkyl group having 1 or 2 carbon atoms, a fluoroalkoxy group having 1 or 2 carbon atoms or a fluoroalkylthio group having 1 or 2 carbon atoms, R2 represents a linear or branched alkyl group having 1 to 4 carbon atoms or a linear or branched fluoroalkyl group having 1 to 4 carbon atoms, and R3 and R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 3 carbon atoms; and one or two or more kinds of herbicides selected from a urea-based herbicide, a dinitroaniline-based herbicide, a phenoxypropionic acid-based herbicide, a cyclohexanedione-based herbicide, an imidazolinone-based herbicide, a sulfonylurea-based herbicide, a carbamate-based herbicide, a triazolinone-based herbicide, a triazolopyrimidine-based herbicide, fluoroxypyr or a derivative thereof, clopyralid or a derivative thereof, flufenacet, flurtamone and pinoxaden, and a method for using the same.

The invention relates to a tembotrione-containing weeding composition which is characterized by comprising two effective constituents namely tembotrione (A) and (B), wherein (B) is at least one selected from metolachlor and flufenacet; the weight part ratio of A to B is (56:1)-(1:63), and (30:5)-(5:40) preferably. In the composition, the total weight part of A and B accounts for 1-80% of that of the composition, and 5-45% preferably. Pesticide preparation forms such as wettable powder, a suspending agent, missible oil, a microemulsion, an emulsion in water, a granular formulation and a water dispersible granule can be prepared from the tembotrione-containing weeding composition. The tembotrione-containing weeding composition enlarges the weeding spectrum, overcomes the defect that metolachlor and flufenacet are inefficient in preventing broad-leaf weeds, greatly increases the prevention and kill-off rate, retards occurrence of resistance of weeds, reduces the repeated application times of a pesticide, and decreases the application amount of the pesticide and agricultural cost.

The invention discloses a pesticide composition containing flufenacet, isoproturon and florasulam, and application thereof. The pesticide composition comprises active ingredients, namely flufenacet, isoproturon and florasulam at a mass ratio of (10-80) to (5-80) to (0.1-3). The pesticide composition has an obvious synergistic effect within the range of such as mass ratio, the pesticide dosage is reduced, the pesticide use frequency is reduced, the pesticide cost is lowered, and negative influence of the pesticide on ecological environment is reduced; the weeding spectrum is enlarged, various weed problems can be used by using the pesticide once, and the defects and limitations of a single preparation are overcome; the service life of the pesticide composition is prolonged, and the pesticide composition has great significance in comprehensive control on weed resistance, is rapid in pesticide effect exertion and long in durable, is lowered in use cost and is capable of preventing and controlling gramineous weeds and broadleaf weeds in the wheat fields.

The invention belongs to the technical field of pesticide and discloses a weeding suspending agent containing diflufenican, flufenacet and pretilachlor. According to the weeding suspending agent, the diflufenican, the flufenacet and the pretilachlor are utilized as main effective components; the weight ratio of the diflufenican to the flufenacet to the pretilachlor is (1 to 50) to (1 to 50) to (1 to 80), and the total mass percent content of the sum of the diflufenican, the flufenacet and the pretilachlor in the suspending agent is 1 to 80%. The suspending agent is further prepared from 0.2 to 2% of wetting agent, 0.3 to 3% of dispersing agent, 02 to 2% of thickening agent, 0.3 to 3% of stabilizer, 4 to 6% of antifreezing agent and the balance of deionized water to 100%. The invention further discloses application of the suspending agent in preventing and removing weeds in a winter wheat field. As herbicides are mixed and used, a weeding spectrum is expanded, a weeding effect is improved, and an effect of preventing gramineous weeds and broadleaf weeds is obvious. The suspending agent has the advantages of quick effect, long lasting period, delay in weeding herbicide drug resistance, weeding completeness, low residue, low toxicity, safety, environmental friendliness and the like.

The invention discloses a pesticide combination containing flufenacet and pendimethalin and an appliance thereof, wherein active ingredients of the pesticide combination are the flufenacet and the pendimethalin, the quality radio of the flufenacet and the pendimethalin is 2-100:5-100. The pesticide combination containing the flufenacet and the pendimethalin obviously shows obvious synergistic effects in the proportion range, reduces dosage, reduces use times, reduce use cost, reduces adverse effect to ecological environment, enlarges a weed control spectrum, solves a lot of weed problems at one time, also makes up defects and limitations when using a single dosage, prolongs service life, has important significance in comprehensive treatment of weed resistance, is rapid to play pesticide effect, long in lasting period and low in use cost, and can be used to prevent wheat paddock gramineae weeds and broadleaf weeds.

The invention relates to the technical field of pesticides, and discloses a post-seedling complex herbicide for corn and paddy, which comprises two active ingredients of flufenacet and fluroxypyr in a weight ratio of 0.4-1.33:1 preferably and the content of the flufenacet and the fluroxypyr is 10 to 85 mass percent of that of the complex herbicide. The complex herbicide can weed annual gramineous weeds in corn and paddy fields and weed broadleaf weeds and sedges, has obvious weeding effect and synergistic effect, can weed the weeds of crops within an integral growth season, has no influence on successive crops, and is an ideal herbicide.

The invention discloses a pesticide composition containing flucarbazone, flufenacet and florasulam and application of the pesticide composition. Active components of the pesticide composition are the flucarbazone, the flufenacet and the florasulam, wherein the mass ratio of the flucarbazone to the flufenacet to the florasulam is (0.5 to 5):(5 to 80):(0.1 to 3). According to the pesticide composition, a remarkable synergistic effect within the proportioning range is shown, the using dose of pesticide is reduced, application times of the pesticide are reduced, the pesticide use cost is reduced, and adverse influence of pesticide on an ecological environment is reduced; a weeding spectrum is enlarged, and by one-time pesticide application, various weed problems are solved, and the defects and the limitation of single-dose use are made up; the service life of the pesticide is prolonged, and important significance for integrated management of weed resistance is realized. The pesticide composition is quick in pesticide efficiency playing, long in duration and low in use cost, and can be used for controlling gramineous weeds and broadleaf weeds in the wheat field.

The invention relates to a flufenacet-containing post-emergence compound herbicide for corn fields. The compound herbicide is prepared from 1.5-24% by weight of flufenacet, 5-50% by weight of mesotrione, 0.5-19% by weight of thifensulfuron methyl, 4-23% by weight of an auxiliary agent and 27-88% by weight of a solvent and / or a carrier. The total weight of the flufenacet, the mesotrione and the thifensulfuron methyl is 8-80% of the total weight of the compound herbicide. Beneficial effects of the compound herbicide are that combination of the flufenacet, the mesotrione and the thifensulfuron methyl can effectively overcome a malignant weed control problem for corn fields, the compound herbicide is particularly suitable for post-emergence weed control of the corn fields, the compound herbicide is small in using amount, easily degradable, short in residual period in soil and good in safety for corn and afterreap crops, and the compound herbicide delays and controls drug resistance of weeds and field weed community succession.

The invention discloses a preparation method of flufenacet, and belongs to the technical field of pesticide preparation. The method comprises the steps: adding 2-hydroxy-N-(4-fluoroaniline)-N-(1-methylethyl)acetamide into an alkali-containing organic solvent A, dropping 2-chloro-5-trifluoromethyl-1,3,4-thiadiazole into the reaction liquid, carrying out a reaction at room temperature, adding an organic solvent B, extracting, washing with water, drying, and concentrating to obtain a crude product flufenacet; and refining the crude product to obtain the pure product flufenacet. The preparation method has the advantages that the required raw materials are easy to obtain, less pollution to the environment exists, the synthesis is simple and convenient, the process conditions are not harsh, the yield can reach more than or equal to 85%, the purity can reach more than or equal to 98%, and the preparation method is suitable for industrialized production.

The invention provides a synergistic herbicidal composition comprising flufenacet, flucarbazone and diflufenican. The herbicidal composition includes the following active components: (A) flufenacet, (B) flucarbazone, and (C) diflufenican, and also includes additives being available in pesticide preparation processing. The herbicidal composition is processed to obtain a common herbicide preparation which is used for preventing and controlling undesirable plants.

The invention relates to the field of pesticides, and discloses a paddy field herbicide composition and a preparation thereof. The herbicide composition of the invention comprises cyhalofop-butyl and flufenacet, wherein the mass ratio of the cyhalofop-butyl to the flufenacet is 1:1-3; the preparation of the herbicide composition consists of the herbicide composition serving as an active ingredient; and the preparation has the formulations of missible oil, oil suspension agent, wettable powder or water dispersible granules. The herbicide composition and the preparation thereof of the inventioncan prevent and kill off gramineous weeds, sedge weeds and broadleaf weeds, is safe to paddy, does not have influence on after-reap crops, is environment-friendly and has good application prospect.

The invention provides a synergetic weeding composition containing flufenacet, flucarbazone and amicarbazone. The weeding composition is characterized by comprising active components A, B and C and an aid, wherein A is flufenacet, B is flucarbazone, C is amicarbazone, and the aid can be used in the processing process of a pesticide preparation. The weeding composition is prepared into a conventional pesticide preparation and is applied to the prevention and control of unnecessary plants.

The invention belongs to the technical field of pesticides, and discloses a wheat field and corn field weeding composition and a medicinal preparation thereof. The weeding composition comprises, by weight, 5-40 parts of oxadiazon, 2-30 parts of diflufenican and 2-20 parts of flufenacet. Different auxiliary materials are added to prepare missible oil, a suspoemulsion, a suspension, a wettable pulvis or a water dispersible granule. The weeding composition utilizes the different action mechanisms of the oxadiazon, diflufenican and flufenacet, and the above three herbicides are compounded to achieve synergistic effects. The above ternary herbicide composition can effectively control diseases of annual gramineous weeds and sedge weeds in the corn field and the wheat field, and especially has agood control effect on malignant weeds in the wheat field, such as bromegrass, Aegilops tauschii, wild oats and Lolium multiflorum; and test proves that the composition is safe to wheat, corn and next-stubble crops, and is an ideal wheat field and corn field herbicide composition.

The invention discloses a pesticide composition containing flucarbazone and flufenacet and application of the pesticide composition. Active components of the pesticide composition are the flucarbazone and the flufenacet, wherein the mass ratio of the flucarbazone to the flufenacet is (0.5 to 5):(5 to 80). According to the pesticide composition, a remarkable synergistic effect within the proportioning range is shown, the using dose of pesticide is reduced, application times of the pesticide are reduced, the pesticide use cost is reduced, and adverse influence of pesticide on an ecological environment is reduced; a weeding spectrum is enlarged, and by one-time pesticide application, the problems of gramineous weeds and part of broadleaf weeds in the wheat field are solved, and the defects and the limitation of single-dose use are made up; the service life of the pesticide is prolonged, and important significance for integrated management of weed resistance is realized. The pesticide composition is quick in pesticide efficiency playing, long in duration and low in use cost, and can be used for controlling the gramineous weeds and part of broadleaf weeds in the wheat field.