498results about How to "Broad spectrum herbicide" patented technology

The invention discloses a weeding composition for wheat fields, the active component of which is formed by any one combination of methyl-2-ethyl with fenoxaprop-p-ethyl, tribenuron, fluroxypyr, carfentrazone-ethyl or thifensulfuronmethyl herbicide by weight ratio of 1:50-20:1. The composition can be prepared into oil suspension agent, emulsifiable concentrate, wettable powder, dry suspension agentand the like in accordance with the known methods. The composition is characterized by high-efficient weeding effect, wide weeding spectral, less dosage, low residue, low cost, safety to the crops, and better control effect to the broadleaf weeds and grassy weeds, and can basically control the hazards of full season weeds in the wheat fields by the pesticide application once.

The invention discloses a weeding composition for a cornfield. The weeding composition is prepared by combining nicosulfuron as an active ingredient and bentazon; and the weight ratio of the nicosulfuron to the bentazon is 1:30-40:1. The composition can be made into missible oil, oil deflocculant, wettable powder, dry deflocculant and the like according to a well-known method. The weeding composition has the characteristics of high-efficient weeding effect, wide weed spectrum, little use amount, low residue, safety to crop, cold and drought resistance, low cost and good prevention and control effect on broadleaf weed and grassy weed.

The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and cyhalofop-butyl. The herbicide composition adopts the bispyribac-sodium and the cyhalofop-butyl as main active components, the weight ratio of the bispyribac-sodium and the cyhalofop-butyl is 1 to 99:1 to 99, and the herbicide composition is mainly applied to postemergence weeding in paddy fields, and particularly can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields. Compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the pesticide effect is enhanced, has a broad weeding spectrum and long persistence period and is safe for rice and next-stubble crops.

The invention discloses a synergic herbicide composition containing cyhalofop-butyl and 2,4-dichlorophenoxyacetic acid and application thereof. The herbicide composition comprises the cyhalofop-butyl and the 2,4-dichlorophenoxyacetic acid which serve as the main active ingredients, wherein the mass ratio of the cyhalofop-butyl to the 2,4-dichlorophenoxyacetic acid is 1-60:1-60. The synergic herbicide composition can be used for preparing herbicides for controlling post-emergence weeds in paddy field. Compared with single-composition herbicide, the herbicide composition has a broad herbicide spectrum and acts for a long time on the premise of improving the herbicide effect, is safe for the paddy fields and after-reap crops and particularly has obvious effect of controlling various gramineous weeds and broadleaf weeds in the paddy fields.

The invention belongs to the field of pesticide, and discloses a herbicidal composition containing diflufenican and clodinafop-propargyl and application thereof. The diflufenican and the clodinafop-propargyl are used as main active ingredients in the herbicidal composition; the mass ratio of the diflufenican to the clodinafop-propargyl is 1-80: 1-80; and the diflufenican and the clodinafop-propargyl account for 5 to 85 percent of the total mass of the herbicidal composition. The herbicidal composition can be applied in preparation of herbicide for controlling weeds among barley or wheat fieldseedlings, particularly in preparation of herbicide for controlling various gramineous weeds and broadleaf weeds in wheat or barley fields. Compared with a single-component herbicide, the herbicidal composition delays the weed resistance, has broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for wheat, barley and afterculture crops.

The invention discloses a synergistic herbicide composition comprising triclopyr and glufosinate and an application thereof; in the synergistic herbicide composition, triclopyr and glufosinate are used as main effective components, and the mass ratio of triclopyr to glufosinate is 1-65: 1-50. The synergistic herbicide composition can be used for preparing the herbicide for removing weeds in forest land or uncultivated area. Under the precondition that the pesticide effect is improved relative to simple dosage, the synergistic herbicide composition retards weed resistance, and has wide herbicide spectrum and long duration; moreover, the synergistic herbicide composition has safety to forest and afterreap crops, and particularly has obvious effect in all kinds of gramineous and broadleaf weeds in forest land or uncultivated area.

The invention discloses a clodinafop-propargyl and beflubutamid containing weeding composition and an application thereof. According to the weeding composition, clodinafop-propargyl and beflubutamid serve as major active components and the mass ratio of clodinafop-propargyl to beflubutamid is (1 to 99): (1 to 99), and the total mass percentage of clodinafop-propargyl and beflubutamid in the weeding composition is 10-80%. The weeding composition disclosed by the invention can be applied to the post-emergence weeding of wheat fields and particularly has a remarkable effect when the weeding composition is used for controlling Gramineae weeds and broad-leaved weeds in the wheat fields. Compared with single agents, the weeding composition disclosed by the invention has the advantages that the resistance to the weeds is retarded on the premise of improving drug effect, the weeding spectrum is broad, the effect duration is long, and the weeding composition has safety to both wheats and succession crops.

The invention discloses a herbicidal composition containing fluazifop-p-butyl and clethodim and application thereof. The herbicidal composition takes fluazifop-p-butyl and clethodim as the main active ingredients, wherein the mass ratio of fluazifop-p-butyl to clethodim is (1-70):(1-80) and fluazifop-p-butyl and clethodim account for 5-85% of the herbicidal composition by mass. The herbicidal composition has obvious effect on preparing the herbicides for controlling the postemergence weeds in the soybean fields, especially the herbicides for controlling various grass weeds in the soybean fields. Compared with the single agent, the herbicidal composition delays weed resistance, has wide herbicidal spectrum and long efficacy duration and does no harm to the rapes and the aftercrops on the premise of improving the drug effect.

The invention provides a synergistic weeding composition, which comprises active components: pyroxasulfone and atrazine. The weight ratio of the pyroxasulfone to the atrazine is 10:1 to 1:100. The synergistic weeding composition provided by the invention is used for preventing and curing undesirable plant growth. The invention also provides a method for preventing and curing undesirable plant growth. The active components, i.e. the pyroxasulfone and the atrazine of the synergistic weeding composition provided by the invention are commonly or independently applied in undesirable plants or growing places thereof. The invention also provides a method for reducing or preventing the damage to plants of useful crops, seeds of the useful crops or other reproduction parts of the useful crops, which are treated by the pyroxasulfone, of the pyroxasulfone.

The invention discloses a micro-capsule suspension-suspension agent of s-metolachlor and oxadiargyl and a preparation method thereof. The preparation method comprises the steps (1), oil phrase materials are added into water phrase materials and stirred, and O / W emulsion is formed; (2), water-solubility capsule shell materials are added into the O / W emulsion, mixed evenly and polymerized, and then a s-metolachlor micro-capsule suspension agent is obtained; and (3), an oxadiargyl suspension agent is added into the s-metolachlor micro-capsule suspension agent, and the micro-capsule suspension-suspension agents of the s-metolachlor and the oxadiargyl are obtained. The s-metolachlor and the oxadiargyl are compounded, the weeding spectrum is wide, and the micro-capsule suspension-suspension agent of the s-metolachlor and the oxadiargyl prepared by the preparation method has the advantages of being stable in storage, long in lasting period, capable of reducing the pesticide application time and the pesticide dosage effectively, and friendly to environment.

The invention belongs to the technical field of agricultural agents, and particularly relates to a mixed weeding composite containing bispyribac and pyrazosulfuron. The weeding composite takes the bispyribac and the pyrazosulfuron as main active ingredients, and the mass ratio of the bispyribac and the pyrazosulfuron is 1-99 / 1-99. The composite and agricultural agent-allowed auxiliary agents are processed into missible oils, suspending agents, water dispersible granules, wettable powder and various dosage forms. The weeding composite can prevent and weed ephemeral weeds of grass families, broad leaves and sedge families in paddy field, compared with a single herbicide, under the premise of improving the efficacy, the mixed weeding composite has the weakened herbicide resistance, wide weeding scope and long duration, is safe to paddy and succeeding crops, and is an ideal weeding composite for the paddy field.

The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and quinclorac. The herbicide composition adopts the bispyribac-sodium and the quinclorac as main active components, the weight ratio of the bispyribac-sodium and the quinclorac is 1 to 99:1 to 99, and different surfactants, thickening agents, solvents, solid fillers or the like can be added to the herbicide composition to become a variety of agents, such as emulsifiable concentrate, suspending agents, water-dispersible granules, wettable powder and the like. The herbicide composition can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields, and compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the pesticide effect is enhanced, has a broad weeding spectrum and long persistence, is safe for rice and next-stubble crops, and therefore is an ideal paddy field herbicide.

The invention discloses a herbicidal composition containing bentazone, dicamba and sulcotrione. The herbicidal composition takes bentazone, dicamba and sulcotrione as main active ingredients, wherein the mass ratio of bentazone to dicamba to sulcotrione is (1-80):(1-80):(1-80). The herbicidal composition has an obvious effect on postemergence weed control in corn fields, especially on controllingvarious grass and broadleaf weeds in the corn fields. Compared with the single agent, the herbicidal composition delays weed resistance, has wide herbicidal spectrum and long efficacy duration and does no harm to the corns and the aftercrops on the premise of improving the pesticide effect.

The invention discloses a compound weeding composition which comprises active ingredients of alon, clodinafop-propargyl and thifensulfuron in a mass ratio of (30-60):(1-10):(0.5-5). In the composition, the components are synergic, thus the composition has a good weeding effect, a wide weeding spectrum, few residues, safety to crops, low cost and wide applicability, and can be applied to weeds which are difficult to remove.

The invention relates to a compound herbicide containing carfentrazone, halosulfuron-methyl and fluroxypyr and application of the compound herbicide. The principle active ingredients of the compound herbicide are carfentrazone, halosulfuron-methyl and fluroxypyr in the mass ratio of (5-15):(15-28):(5-20). The compound herbicide has a remarkable effect on application in sugarcane field weeding after seedling, in particular in application in prevention and weeding of various gramineous weeds and broadleaf weeds in the sugarcane field. Compared with other compound herbicides, the compound herbicide containing carfentrazone, halosulfuron-methyl and fluroxypyr has the advantages of weed resistance delaying, weeding spectrum expanding, both gramineous weed and broadleaf weed eliminating, long period of preserving heat, and reliable safety on sugarcane and after-reap crops on the premise of improvement of pesticide effect.

The invention belongs to the field of weeding, and relates to a mixing weed killer containing bentazone, rimsulfuron and mesotrione, and an application thereof. The mixing weed killer adopts the bentazone, the rimsulfuron and the mesotrione as main effective components, wherein a mass ratio of the bentazone to the rimsulfuron to the mesotrione is 0.1-80:0.1-80:0.1-80, the total mass percentage ofthe three materials in the mixing weed killer is 1-85%. The mixing weed killer provided by the present invention can be applicable for weeding in the corn field after seedling, specifically provides significant effects for prevention and elimination of various grassy weeds or broadleaf weeds in the corn field. Compared to the single weed killer, in the premise of improvement of the efficacy, the weeding composition provided by the present invention delays the resistance generating of the weeds, and has wide weeding spectrum and long effective duration, and provides safeties for the corn and the succeeding crops.

The invention discloses a herbicidal composition containing bentazone, acifluorfen-sodium and fenoxaprop-p-ethyl which serve as the main effective components and are in a mass ratio of 1-70:1-70:1-70. The herbicidal composition of the invention can be used in soybean field post-seedling weeding, and especially presents an obvious effect when applied to control of various gramineous weeds, broadleaf weeds and sedges in soybean fields. Compared with a single agent, the herbicidal composition of the invention, in the precondition of improving herbicide effect, can delay weed resistance and has broad herbicidal spectrum, long persistent period as well as security to soybean and succeeding crops.

The purpose of the present invention is to provide an agrochemical composition for foliage treatment, which does not cause chemical damage due to deposition on cultivated crop and is highly safe when carrying out foliage treatment on farmland using pyroxasulfone, and also has a broad herbicidal spectrum. Provided is an agrochemical composition for foliage treatment that includes pyroxasulfone and a concealing substance for concealing the pyroxasulfone, and the agrochemical composition for foliage treatment is characterized in that the concealing substance microencapsulates or covers the pyroxasulfone such that there is no chemical damage due to deposition on cultivated crop during foliage application.

The invention discloses a ternary weed-killing composition for a corn field. The ternary weed-killing composition is characterized in that halosulfuron methyl, bentazone and atrazine are adopted as effective components, and the weight rate of the halosulfuron methyl, the bentazone and the atrazine is (10-20):(1-5):(3-15). The ternary weed-killing composition has the characteristic of wide weed killing spectrum, and also has the advantages that a higher synergistic effect can be generated, the control effect of the composition is obviously improved compared with that of a single agent, the use dosage of the pesticide is reduced, the use times of the pesticide are reduced, the production cost is reduced and the influence of the pesticide on the ecological environment is reduced.

The invention belongs to the technical field of chemical synthesis, and provides a mixed herbicide comprising two active ingredients of cloransulam-methyl and clethodim, and a preparation method and application of the mixed herbicide. The mass ratio of the cloransulam-methyl and the clethodim in the mixed herbicide is (5-60):(1-25), the total mass of the cloransulam-methyl and the clethodim is 6 to 75 percent based on the mass of the herbicide, and the mixed herbicide can be used for preventing and controlling grassy weeds and broadleaf weeds in a soybean field. The mixed herbicide has advantages of being high in herbicidal activity, broad in herbicidal spectrum, long in efficacy duration, high in safety, high in effectivity, broad in spectrum, high in environmental compatibility, safe for human and livestock, and the like, and is a high-quality chemical herbicide for soybean crops.

The invention discloses a weeding composition containing bentazone and propanil and application thereof. The weeding composition comprises the following main effective components: the bentazone and the propanil, wherein the mass ratio of the bentazone to the propanil is (0.1-80):(0.1-80). The weeding composition disclosed by the invention can be applied to the post-emergence weeding for paddy fields and especially has an outstanding effect on preventing and weeding gramineous weeds and broadleaf weeds in the paddy fields; in addition, compared with a single agent, the weeding composition disclosed by the invention has the advantages of weed resistance delay performance, broad weeding spectrum, and long acting period under the precondition of enhancing a weeding effect and has safety for paddy rice and succession crops.

The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and pretilachlor. The herbicide composition adopts the bispyribac-sodium and the pretilachlor as main active components, the weight ratio of the bispyribac-sodium and the pretilachlor is 1 to 99:1 to 99, and the herbicide composition is mainly applied to postemergence weeding in paddy fields. Compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the pesticide effect is enhanced, has a broad weeding spectrum and long persistence, and is safe for rice and next-stubble crops.

The invention discloses a biogenic herbicide which is characterized by being prepared from, by mass, 15-25 parts of artemisia scoparia, 10-15 parts of fragrant eupatorium herb, 10-20 parts of coptis chinensis, 10-20 parts of melia azedarach bark, 15-25 parts of celastrus angulatus, 10-20 parts of dicranopteris pedata, 20-30 parts of lemons, 10-20 parts of green plums and 1-3 parts of a penetrating agent.The materials are smashed, extracted, mixed and purified to prepare the biogenic herbicide.The biogenic herbicide is good in drug type.Through medicine effect comparison, the biogenic herbicide has a better prevention effect than a traditional herbicide and is free of toxin and harm, little in environment pollution and capable of effectively guaranteeing safety of crops, and accordingly it is guaranteed that people and animals cannot be harmed by absorbing chemical matter from the crops.

The invention discloses a weeding composition for a cotton field. The weeding composition is prepared by combining a pyrithiobac weedicide as an active ingredients and any one of a quizalofop-ethyl weedicide, a haloxyfop-P-methyl weedicide, a clethodim weedicide and a fluazifop-P-butyl weedicide; and the weight ratio of two materials is 1:20-20:1. The composition can be made into missible oil, oil deflocculant and the like according to a well-known method. The weeding composition has the characteristics of high-efficient weeding effect, wide weeding spectrum, little use amount, low residue, safety to crop, low cost, small environmental pollution, little use amount, convenient use and the like.

The invention relates to a weeding composition which is composed of isoxaflutole, halosulfuron-methyl and fluroxypyr in the mass ratio of (0.1-40): (0.1-20) (0.1-20). The weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr, namely a composite herbicide, has a remarkable effect in application to post-emergence weeding in sugarcane fields, particularly in application to preventing and weeding various gramineous weeds and broadleaf weeds in the sugarcane fields. Compared with an individual agent, the composite herbicide is capable of delaying the resistance of weeds, widening the weeding spectrum and weeding both gramineous and broadleaf weeds, and long in lasting period under the premise of an improved pesticide effect, and thus has reliable safety to sugarcane and afterreap crops.

The invention belongs to the field of herbicides, and relates to a mixed herbicide containing bentazone, mesotrione and atrazine and an application thereof. The herbicide uses bentazone, mesotrione and atrazine as the main active ingredients, and the mass ratio of bentazone, mesotrione and atrazine is 0.1-80:0.1-80:0.1-80, three The mass percent content in the herbicide is 1-85%. The application of the mixed herbicide of the present invention in post-emergence weeding of corn fields, especially in the application of controlling various gramineous and broad-leaved weeds in corn fields has remarkable effects. Compared with a single agent, the herbicide of the present invention delays weed resistance, has a wide weeding spectrum, long duration of action and is safe to corn and subsequent crops on the premise of improving the efficacy of a single agent.

The present invention provides a synergistic herbicidal composition comprising Pyroxasulfone, Topramezone and Atrazine as the active components, wherein the weight ratio of Pyroxasulfone, Topramezoneand Atrazine ranges from 1 to 10: 1 to 10: 1 to 100, as well as the use of the synergistic herbicidal composition of present invention for controlling the growth of undesirable plants. The present invention also provides a method of controlling the growth of undesirable plants, which comprises applying the active components Pyroxasulfone, Topramezone and Atrazine of the synergistic herbicidal composition of present invention to the undesirable plants or their growing locus or separately. The present invention further provides a method of reducing or preventing harm caused by Pyroxasulfone whenapplied to plants, seeds or other reproductive parts of useful crops.

The invention belongs to the field of pesticides and discloses a herbicidal composition containing haloxyfop-R-methyl and quizalofop-p-ethyl and application thereof. The herbicide takes haloxyfop-R-methyl and quizalofop-p-ethyl as the main active ingredients, wherein the mass ratio of haloxyfop-R-methyl to quizalofop-p-ethyl is (1-80):(1-80) and haloxyfop-R-methyl and quizalofop-p-ethyl account for 1-85% of the herbicidal composition by mass. The herbicidal composition has obvious effect on controlling the postemergence weeds in the soybean fields, especially on controlling various grass weeds in the soybean fields. Compared with the single agent, the herbicidal composition reduces the drug dose, delays weed resistance, has the advantages of wide herbicidal spectrum and long efficacy duration and does no harm to the soybeans and the aftercrops on the premise of improving the drug effect.

The invention relates to a postemergence weedicidal composition for crops. The postemergence weedicidal composition for the crops has the active components of mesotrione and atrazine in a weight ratio of 15:38. The postemergence weedicidal composition for the crops has the advantages as follows: 1) high weedicidal activity: the postemergence weedicidal composition can kill weeds by two different mechanisms and reduce the resistance generating speed of the weeds, and the two components are synergistic, thus greatly improving the weedicidal activity of the weedicide; 2) broad weedicidal spectrum and long duration: the two weedicides have different weedicidal spectra, the postemergence weedicidal composition prepared by mixing the two weedicides in a specific mixing ratio combines the weedicidal spectra and activities of the two weedicides, so that the postemergence weedicidal composition has a wider weedicidal spectrum and longer duration; 3) delaying of weed resistance: the postemergence weedicidal composition can significantly improve the effect of controlling various resistant weeds, delay the generation of drug resistance of the weeds and prolong the service life of the weedicide; and 4) high safety: the postemergence weedicidal composition is applied to postemergence weeding in a corn field, can control various grassy or broadleaf weeds in the corn field, and is safe to corns and afterreap crops on the premise of improving the weedicidal effect.

The invention belongs to the technical field of agricultural agents, and discloses a mixed herbicide containing cinosulfuron, butachlor and cinmethylin and application thereof, wherein the herbicide takes the cinosulfuron, the butachlor and the cinmethylin as main active ingredients, and the mass ratio of the cinosulfuron, the butachlor and the cinmethylin is 0.1-80 / 0.1-80 / 0.1-80. The mixed herbicide is applied to weeding paddy field, and particularly has the obvious effect on the application in preventing and weeding weeds of various grass families, sedge families or broad leaves in the paddy field. Compared with a single herbicide, under the premise of improving the efficacy, the mixed herbicide also has the advantages of weakened herbicide resistance, wide weeding scope and long efficacy duration, and is safe to paddy and succeeding crops.