427results about How to "Broad herbicidal spectrum" patented technology

The invention relates to a compounded herbicide composition for rice fields, which contains the following two effective components: component (A): pyribenzoxim; component (B): a herbicide which is one of the following compounds: triazines compounds, heterocyclic compounds, phenoxy compounds, amide compounds, diphoenyl ether compounds, sulfonylurea compounds, phenoxyalkanoic acid compounds, botanical compounds, organic phosphorus compounds, urea compounds, dinitroaniline compounds, benzamide compounds and carbamate compounds; and wherein, the weight ratio of the component (A) to the component (B) is 1-50: 1-50.

The invention discloses herbicide containing glufosinate. The herbicide containing glufosinate is characterized by comprising technical material composed of glufosinate and herbicide B according to a proportion of 1-80:1-80. The herbicide B is one of fenoxaprop-ethyl, fenoxaprop-P-ethyl, isoproturon, diclofop-methyl, chlortoluron, methabenzthiazuron, imazamethabenz, tralkoxydim, difenzoquat, flampro, flamprop-M, pendimethalin, nicosulfuron, primisulfuron and the like. The herbicide containing glufosinate is composed of herbicide A and the herbicide B and has the advantages that the herbicide is capable of killing ground weeds and grass seeds which are about to germinate and is long in effect duration; herbicide controlling spectrum is wide, and the herbicide is widely applicable to controlling weeds in dry lands; the herbicide is low in toxicity, weak in sensitization and low in poisoness to crops and human, can control weeds safely without harming the crops, and is evident in weed control synergy.

The invention discloses a haloxyfop-r-methyl-containing herbicide composition. The haloxyfop-r-methyl-containing herbicide composition is utilized for controlling gramineous weeds, broad-leaved weeds and sedge weeds in broad-leaved crop fields. The haloxyfop-r-methyl-containing herbicide composition comprises active components of 1, a compound A, wherein the compound A is haloxyfop-r-methyl, and 2, a herbicide mixed synergistic active component B, wherein the herbicide mixed synergistic active component B is one or more of diphenyl ether herbicides, sulfonylurea herbicides or benzothiazine dione herbicides. A weight ratio of haloxyfop-r-methyl to the herbicide mixed synergistic active component B is (1 to 30%): (0.5 to 50%). The haloxyfop-r-methyl-containing herbicide composition can be processed into all realizable dosage forms. The haloxyfop-r-methyl-containing herbicide composition can be widely utilized for controlling gramineous weeds such as barnyard grass, green bristlegrass, alopecurus aequalis, crabgrass, annual bluegrass and moleplant seed, broad-leaved weeds such as purslane, solanum nigrum, cocklebur, bindweed, chenopodium album and goosegrass herb, and sedge weeds in soybean and peanut fields, wherein the broad-leaved weeds are difficult to be controlled. The haloxyfop-r-methyl-containing herbicide composition has the characteristics of wide weed control spectrum, safety on crops, and high efficiency.

The invention discloses a tembotrions compound cornfield herbicide. According to the adopted technical scheme, the herbicide comprises the following components in percentage by weight: 5-80 percent of effective components, 5-15 percent of auxiliaries and 5-80 percent of filler, wherein a first effective component is tembotrions, and a second effective component is any one of atrazine, terbuthylazine / nicosulfuron, foramsulfuron, rimsulfuron / fluroxypyr, MCPA-Na / mesotrione, sulcotrione and topramezone; the weight ratio of the first effective component to the second effective component is (1:8)-(8:1). The technical effect is that multiple grassy weeds, broadleaf weeds and cyperaceae weeds which can be prevented by the independent tembotrions can be also prevented by the tembotrions compound cornfield herbicide; furthermore, a prevention effect for part of grassy weeds and part of broadleaf weeds is improved, the herbicide controlling spectrum is expanded, the safety to the corns is improved, the drug using amount is reduced, the prevention and treatment cost is reduced, and the pollution to the environment is reduced.

The invention discloses a weeding composition containing penoxsulam and bensulfuron-methyl, which comprises active ingredient a and active ingredient b, wherein the active ingredient a is penoxsulam, the active ingredient b is bensulfuron-methyl, the weight ratio of the a to the b is 1-90:90-1; preferably, the weight ratio of the a to the b is 1-50:50-1, and particularly preferred, the weight ratio of the a to the b is 1-10:10-1. The active ingredients of the composition account for 8 to 95 percent of the total weight of the composition, and the balance is agriculturally acceptable pesticide adjuvant.

The invention is a kind of 2-pyrimidine oxo-N-urea phenyl benzyl amine compound, the manufacturing method. The structural formula is shown in the picture. D or E = hydrogen, halogen, C1-4C alkyl, C1-C4 alkoxy, C1-C4 halogenated alkyl or C1-C4 alkylogen oxide; X=hydrogen, halogen, nitro, cyan, carboxy, ester group, sulfonyl, C1-C8 alkane acyl amido, C1-C8 halogeno alkane acyl amido, C1-C8 alkane acyl group, C1-C8 alkyl, C1-C8 halogeno alkyl, C1-C8 alkoxy, phenyl etc; R1, R2=hydrogen, ester group, sulfonyl, C1-C8 alkyl, C1-C8 substituted alkyl, C1-C8 alkyl acyl, phenyl, etc; Xí» is H, urea, halogen atom, carboxy, ester group, C1-C8 alkane acyl, C1-C8 alkyl, C1-C8 halogeno alkyl, C1-C8 alkoxy, phenyl, substitution phenyl or heterocyclic radical; R3=hydrogen, C1-C8 alkane acyl, C1-C8 halogeno alkyl, benzene formyl, substitution benzene formyl, C1-C8 alkyl.

The invention discloses a synergic herbicide comprising effective constituents and auxiliary materials, the effective constituents include mixture of bispyribac sodium and cyhalofop-butyl, wherein the percentages by weight of the constituents include, bispyribac sodium 1-45%, cyhalofop-butyl 1-45%. The rice field herbicide has low cost.

The invention relates to a solid preparation of a novel sterilant herbicide composition employing saflufenacil and glyphosate and containing a herbicide auxiliary agent. The solid preparation comprises the two effective compositions saflufenacil and glyphosate, the auxiliary agent and a carrier. The two effective compositions saflufenacil and glyphosate account for 10%-70% by weight of the composition, and the weight ratio of saflufenacil to glyphosate is 1:5-1:40. The solid preparation of the herbicide composition containing saflufenacil and glyphosate employs a particulate agent, a wettable powder and a water-dispersable granule as a product form. The herbicide auxiliary agent is a combination of at least two or more of a plant-resource spray auxiliary agent, a plant-source SD auxiliary agent, an alkyl glycoside surfactant, a trisiloxane surfactant, a tallow amine surfactant, betain, amino oligosaccharin and a penetrating agent JFC. The herbicide composition containing the herbicide auxiliary agent has excellent control efficacy on common gramineae and broad leaf weeds, and especially on weeds generating drug resistance on herbicides such as glyphosate, sulfonylureas, triazines and the like.

The invention relates to a herbicide composition containing nicosulfuron, atrazine and clopyralid, which optimally uses the nicosulfuron, the atrazine and the clopyralid as active ingredients, wherein the weight ratio of the atrazine to the nicosulfuron to affinity is 40-1:20-1:10-1. The herbicide composition has the advantages of low toxicity, weak allergenicity and few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly corn fields.

The invention relates to a herbicide composition for preventing and eradicating weeds in farmlands and applications thereof, and particularly relates to a herbicide which is used for preventing and eradicating gramineae weeds, broadleaf weeds and cyperaceae weeds in rice fields. The herbicide composition is a binary herbicide mixture employing penoxsulam and halosulfuron-methyl as active ingredients, wherein the weight ratio of penoxsulam to halosulfuron-methyl is 1:30-15:1. The herbicide composition can be made into any preparation allowable in agriculture. The herbicide composition is used for preventing and eradicating weeds in the rice fields, has reasonable components, with the prevention effect being superior to the activity of each component applied separately, enlarges weed preventing and eradicating spectrum, reduces preventing and eradicating cost, slows down the generation of weed resistance, has good security for crops, and fits to the security requirement of pesticide preparations.

The invention relates to a herbicide composition used for controlling farmland weeds, and a purpose thereof, and specifically relates to a herbicide used for controlling corn field grass weeds and broadleaf weeds. The invention provides a binary herbicide composition with topramezone and atrazine as active components. In the composition, the weight ratio of topramezone to atrazine is 1:180-1:1. The composition can be prepared into any agriculturally acceptable preparations. When the composition is used in corn field weed controlling, a substantial synergetic effect compared with single applications of the components is provided. With the composition, herbicidal spectrum can be widened, controlling cost can be reduced, appearance of weed resistance can be retarded, and good safety upon crops is provided.

The invention discloses a compound pesticide composition containing picloram or salts thereof. Active ingredients comprise a component I and a component II, wherein the component I is picloram or salts thereof; the component II is flumetsulam, pyribenzoxim, carfentrazone-ethyl, topramezone, florasulam, flucarbazone-sodium, clodinafop-propargyl or metamifop; and the mass ratio of the component I to the component II is 60:1-1:60. The invention also discloses a preparation prepared from the composition and suitable for agriculture, and application of the preparation to controlling weeds. The compound pesticide composition containing the picloram has an obvious synergistic effect and controls broad leaf weeds and annual grass weeds, the dosage is reduced, the pesticide burden of farmers is reduced, the environmental pollution is lightened, and the compound pesticide composition has a wide development and promotion prospect.

The invention discloses a weed controlling compound pesticide composition. The pesticide composition contains such active ingredients as fluroxypyr or esters thereof and topramezone, wherein the weight ratio of fluroxypyr or esters thereof to topramezone is 15: (1-3). The pesticide composition is characterized in that the dosage form of the pesticide composition is wettable powder or water dispersible granules; based on the total weight of the composition, the content of fluroxypyr or esters thereof is 10-70%, the content of topramezone is 2-30% and the content of additives is 10-88%; and theamount of the esters of fluroxypyr is converted into the amount of fluroxypyr. The invention also discloses a preparation method of the wettable powder or water dispersible granules. The pesticide composition is formed by compounding fluroxypyr or esters thereof and topramezone, has low toxicity, wide weed control spectrum, quick effect, good persistence and medium cost, can control broadleaf weeds, annual grass weeds and the like, is a more ideal pesticide variety for controlling weeds in the maize fields and has the advantages of simpleness in production, convenience and safety in use, zeroenvironmental pollution and the like.

The invention discloses a herbicide composition containing ametryn and terbutryn and a preparation method thereof. The herbicide composition takes ametryn and terbutryn as active ingredients. The invention also discloses the preparation method of the herbicide composition. The composition disclosed by the invention consists of two active components and has low toxicity; and when the herbicide composition is used, the dosage of the ametryn can be reduced, the growth safety of crops can be ensured, the active components stay in crops and soil for such a short time that toxin accumulation is avoided, the dosage of the ametryn is lower than the normal dosage and grass can be killed effectively. In addition, the herbicide composition has a wider herbicide spectrum than terbutryn alone, monocotyledonous grass such as cockspur grass, hairy finger, green bristlegrass (green foxtail) and eleusine indica can be better killed, and at the same time, the respective drawbacks of ametryn and terbutryn which are used alone are overcome.

The invention relates to a Dicamba herbicide, in particular relating to a Dicamba aqueous solution and a preparation method thereof. The Dicamba aqueous solution comprises the following components in percentage by weight: 10-55% of Dicamba, 0.1-20% of rhamnolipid, 25-35% of a fourth component and the balance of water, wherein the fourth component is one or more of dimethylamine, isopropamide or sodium hydroxide. The preparation method comprises the following steps: after evenly mixing and stirring the Dicamba, the fourth component and water in proportion; then adding the rhamnolipid; and stirring to obtain the Dicamba aqueous solution. A biological surfactant is adopted by the Dicamba aqueous solution, so that the Dicamba aqueous solution is safer and more environmentally-friendly, and the production cost is lowered; after the Dicamba aqueous solution is applied, the weeding effect is ideal, and the Dicamba aqueous solution has the advantages of wide weed killing spectrum, small dosage for each acre and prolonged quality guarantee period.

The invention relates to safety herbicide for a corn field. An active ingredient of the safety herbicide is prepared by mixing topramezone and one or more than one of atrazine, ametryn, amides active compound, the mass ratio of topramezone to atrazine is 0.5-8:1-30, the mass ratio of topramezone to ametryn is 0.5-8:1-30, and the mass ratio of topramezone to amides active compound is 0.5-8:1-30. The amides active compound is alachlor, pretilachlor, butachlor or metolachlor. The topramezone has remarkable synergistic effect after adding atrazine / ametryn, the herbicide has good prevention and control effect on weeds and has good preventing and removing effect on malice broad leaf weeds such as cirsium setosum, chicory, acalypha australis and dayflower. The topramezone has a wide weed control spectrum, is safe for the height of corns, and can effectively synergize after combining the atrazine and the like. After combination, use amount of atrazine alone is reduced, and safety of the corns is improved.

The invention discloses an herbicidal composition for a corn field. The composition comprises a component (a) and a component (b), wherein the component (a) is foramsulfuron, the component (b) is at least one of cyanazine, rimsulfuron, atrazine, bentazone, eluthiacet-methyl and bromoxynil octanoate; and the weight ratio of the component (a) to the component (b) is 1:1-70. The herbicidal composition for the corn field can prevent and control gramineous weeds and most broadleaf weeds, has good prevention and control effects and obvious synergy and effectively expands the weed control spectrum.

The invention relates to a compound herbicide composition containing mesotrione, clopyralid and atrazine, which uses the mesotrione, the clopyralid and the atrazine as active ingredients, wherein the weight ratio of the mesotrione to the clopyralid to the atrazine is 1-15:1-15:1-50. The invention has the advantages of low toxicity, weak allergenicity and few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly corn fields.

The invention discloses a 3-arylpyridazinone compound, a preparation method, a pesticide composition and an application. The invention provides a 3-arylpyridazinone compound shown by formula I, and the structure is shown in the specification. The 3-arylpyridazinone compound disclosed by the invention has the advantages of high herbicidal activity, relatively wide weeding spectrum, good crop safety, relatively long application time, short residual period in soil and good pre-emergence and post-emergence herbicidal activity with low dosage, realizes a control effect on farmland broadleaf weeds, farmland grassy weeds and cyperaceous weeds as well certain safety on the crops such as corn, rice, wheat, cotton and soybeans with high dosage, and can inhibit the weed germination relatively well; and meanwhile, the 3-arylpyridazinone compound also has relatively good herbicidal activity against older sensitive weeds of the leaf stages 3-6, avoids adverse effects on the growth of succeeding crops, has reasonable toxicity, ecological toxicity and environmental compatibility, is a low-toxicity environment-friendly pesticide and has good market prospect.

The invention belongs to the field of pesticide mixing, and discloses a composition of corn field herbicides. The composition is a suspoemulsion, a water suspending agent or an oil suspending agent composed of A, B and C herbicide compounds serving as active ingredients, and the active ingredient content of the composition is 5 to 60 percent; A is mesotrione, B is one or more of triazine herbicides, and C is one or more of amide herbicides, wherein the composition contains one herbicide compound A, at least one herbicide compound B selected from the following compounds and at least one herbicide compound C selected from the following compounds; and according to the formula, the composition is ground under high pressure, emulsified and dispersed into the suspoemulsion, the water suspending agent or the oil suspending agent according to different proportions, and is used for preventing and killing weeds in corn fields at the post-emergence stage.

The invention relates to a pesticide and a preparation method thereof, in particular to an unselective herbicide and a preparation method thereof. The unselective herbicide is characterized by being an oil suspending agent prepared by mixing glyphosate, oxyfluorfen and auxiliary materials. In the invention, the glyphosate and the oxyfluorfen are combined, the oxyfluorfen has the touch killing action on the blades of a plant so as to accelerate the absorption of the glyphosate and enhance the pesticide effect of the glyphosate, and the oxyfluorfen has the certain inhibiting effect on weed seeds in the soil so as to prolong the residual life. The herbicide has the advantages of excellent performances on weeding speed, environmental friendliness and herbicide cost conservation as well as obvious effect, wide weeding spectrum, long pesticide effect, rain washing resistance, environmental friendliness and the like on the weeding effect.

The invention provides a glyphosate weeding composition containing a brassinolide compound. Effective ingredients of the glyphosate weeding composition include a glyphosate compound and a brassinolide compound. In the glyphosate weeding composition, the glyphosate compound is glyphosate acid or a herbicidal active derivative thereof, and the brassinolide compound is one or more of 24-hybrid epibrassinolide, 24-epibrassinolide, 28-epihomobrassinolide, 28-homobrassinolide and other brassinolide compounds. The mass ratio of glyphosate to brassinolide is 100:(0.01*10<-3>-10*10<-3>). The glyphosate weeding composition containing the brassinolide compound has the advantages that brassinolide and a glyphosate product are compounded, and the uptake and translocation effects of glyphosate in stems and leaves and the growth regulation effect of brassinolide are utilized and combined, so that the weeding composition has obvious synergistic effects, the initial weeding effect time is shortened for 2-4 days, the usage amount of a herbicide is reduced by 20-50%, and control effects on some noxious weeds are better. The weeding composition provided by the invention has the advantages of broad spectrum, high efficiency, low toxicity, little pollution, high effect taking speed, low cost and convenience in application.

The invention relates to an active composition for preventing and eliminating resistant weeds, conventional weeds of the grass family and broadleaf weeds in a paddy field. The active composition contains metamifop and bispyribacsodium. The mass ratio of the two active ingredients is (0.5-1):(1-2). The active composition can be prepared into pesticide formulations, such as oil suspending agents, emulsion in water, water dispersible granules, wettable powder and the like. The weedicide composition has higher activity on resistant cockspur grass and broadleaf weeds. The weeding effect on conventional weeds is also obviously higher than single dosages. Simultaneously, the active composition has the advantages of enlarging a weeding spectrum, reducing use amount, increasing crop activity and the like.

The invention relates to a synergistic herbicide composition and an application method thereof and in particular relates to a synergistic herbicide composition which is prepared through ternary combination of pendimethalin, oxyfluorfen and oxadiazon and is applied to corn fields. The synergistic herbicide composition comprises active ingredients including (a) N-(1-ethylpropyl)-2,6-binitro-3,4-dimethylaniline, (b) 2-chloro-4-trifluoromethylphenyl-3'-ethoxy-4'-nitrophenyl ether and (c) 5-tert-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-dioxazoline-2-ketone, wherein the weight ratio of (a) to (b) to (c) is (1-50):(1-50):(1-50). The synergistic herbicide composition has a beneficial effect on controlling weeds in the peanut fields, effectively controls annual grassy and broadleaf weeds in the peanut fields, effectively controls generation of weeds with resistance, and simultaneously can reduce the overall use cost and expand the weed control spectrum.

This invention relates to a group of compounds [N-(2-pyrimidinyloxy) benzyl amino phenyl] sulfonamide. In the general formula as shown right, D or E = C1~C4 alkoxyl or C1~C4 halogenated alkyloxyl; X= H, halogens, nitro, C1~C8 alkyl, C1~C8 halogenated alkyl and C1~C8 alkyloxyl; R1, R2= H, halogens, nitro, phenyl, halogenated or C1~C4 alkyl-substituted phenyl or heterocyclic radical which includes pyridyl, thienyl, thiazyl and pyrimidinyl.

The invention relates to an optional stem and leaf herbicide for a paddy field and a preparation method thereof, and in particular relates to a bispyribac-sodium dispersible oil suspended agent and a preparation method thereof. The bispyribac-sodium dispersible oil suspended agent comprises the following components in percentage by mass: 10-20 percent of bispyribac-sodium, 2-30 percent of emulsifier, 0.2-5 percent of a wetting agent, 0.3-5 percent of a dispersing agent, 0.5-4 percent of a thickening agent, 0.01-5 percent of a defoaming agent, 0.1-1.5 percent of a pH regulating agent, and the balance of an oil-based solvent. The preparation method comprises the following steps: adding the emulsifier, the wetting agent, the dispersing agent, the thickening agent, the defoaming agent and the pH regulating agent into the oil-based solvent, mixing and stirring; adding the bispyribac-sodium drug under stirring of a high-speed shearing machine at a rotating speed of 1,500-10,000 revolution / minute, and shearing for 10-40 minutes; and grinding the mixture by a sand mill until the grain diameter D90 is less than 8 mu m to obtain the bispyribac-sodium dispersible oil suspended agent.

The invention discloses a dispersible oil suspending agent. The dispersible oil suspending agent comprises, by mass, 15-30% of pretilachlor, 3-6% of allylene oxadiazon, 1-3% of pyrazosulfuron-ethyl, 1-8% of dispersing agents, 5-15% of emulsifiers, 0.5-5% of wetting agents, 0.5-5% of thickeners, 0.5-8% of stabilizers, 0.2-2% of defoamers, 0.1-2% of pH regulators and the balance oil-base solvent. The dispersible oil suspending agent has the advantages that the dispersible oil suspending agent has low toxin on human, livestock and beneficial organisms, toxicity of effective components to chemical application persons can be reduced effectively, phytotoxicity of chemicals to target crops can be lowered, prevention effect of herbicide products on weeds and safety of the herbicide products on the crops are improved, and the dispersible oil suspending agent is a low-carbon, environment friendly and safe dosage form.

The invention provides an application of halogenated indole-3-acetic acid as herbicide and further provides novel herbicide. According to the invention, halogenated indole-3-acetic acid has efficient herbicidal activity and wide herbicide controlling spectrum. Meanwhile, halogenated indole-3-acetic acid is free of harmful effect to afterreap crops. In addition, halogenated indole-3-acetic acid stays in soil for a short period of time and is low in toxicity, good in environmental compatibility and high in safety.

The invention belongs to the technical field of pesticides, and especially discloses a wheat field herbicide composition. The wheat field composition comprises a component A and a component B according to a weight percentage ratio of 1-500:500-1, wherein the component A is 2,4-DB and its derivatives, and the component B is one or more of sulfonylurea, aryloxyphenoxypropionate, triazolopyrimidines, triazoline-ketones, pyrazoles and synthetic hormones. The composition has a wide weed control spectrum, can prevent and treat grassy weeds and broad leaf weeds, has a very good synergistic effect, has an obvious synergistic effect than single use of preparations, has a fast weeding speed and is highly safe to wheat.