42 results about "Chlortoluron" patented technology

The invention discloses a herbicide composition containing topramezone, belonging to the technical field of pesticides. The herbicide composition comprises a raw medicine prepared by compounding topramezone and a herbicide B, wherein the ratio of the topramezone to the herbicide B is (1-80):(1-80); and the herbicide B is any one of the following herbicides: fenoxaprop, fenoxaprop-p, isoproturon, diclofop-methyl, chlortoluron, methabenzthiazuron, imazamethabenz, tralkoxydim, difenzoquat, flampro, flampro M, pendimethalin, primisulfuron and the like. The herbicide composition disclosed by the invention is prepared by compounding topramezone and any one of the herbicide B; and the composition has the advantages of long duration, wide herbicide controlling spectrum and obvious weed control synergism, and overcomes the shortcomings of high cost and short duration by using topramezone only in the prior art.

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 mesosulfuron-methyl compound herbicide which consists of mesosulfuron-methyl as active ingredient I, active ingredient II and auxiliary ingredients; the active ingredient II is the combination of one or more of flucarbazone-Na, isoproturon, chlortoluron, pyroxsulam, 2-methyl-4-chlorophenoxy acetic acid, 2,4-D butyl ester, dicamba, bromoxynil, amidosulfuron, bensulfuron-methyl, flumetsulam, fluoroglycofen-ethyl and florasulam; the auxiliary ingredients consists of adjuvant and one of filler and solvent, and the adjuvant is the combination of one or more of emulsifying agent, dispersing agent, wetting agent, disintegrant, binding agent, antifreezing agent and thickening agent; the sum of the weight of the mesosulfuron-methyl as the active ingredient I and the weight of the active ingredient II is 1 to 85 percent of the total weight of the mesosulfuron-methyl compound herbicide; and the weight ratio of the active ingredient I to the active ingredient II is 1:20 to 20:1. The mesosulfuron-methyl mixed herbicide is novel herbicide for wheatlands.

The invention relates to an herbicide composition containing clacyfos. The 100% of herbicide composition comprises an ingredient A, one or more of an ingredient B and the balance, wherein the ingredient A is the clacyfos, the ingredient B is selected from one or more effective ingredients including flucarbazone, pyraflufen-ethyl, florasulam, flumetsulam, pyroxsulam, 2,4-D butyl ester, fenoxaprop-p-ethyl, barban, bensulfuron-methyl, pinoxaden, chlortoluron, thifensulfuron, mesosulfuron or sodium metsulfuron methyl iodide, and the balance includes a dispersing agent, a wetting agent, a stabilizing agent, a thickening agent and a solvent. The weight ratio of the ingredient A to the ingredient B is 1:160-160:1. Two groups of active substance can be compounded to effectively prevent and control annual or perennial broadleaf gramineous weeds in wheat fields. The herbicide composition can improve preventive effects of simple dosages and enlarge weeding spectrum and is safe to wheat.

The invention discloses a method for absorbing and utilizing phosgene tail gas. The method comprises the following steps: the phosgene tail gas generated in a phosgenation process (especially the phosgene tail gas generated in the phosgenation process with content of between 10 and 50 percent (V/V), such as the phosgene tail gas generated in the phosgenation process of diuron, chlortoluron and other products) is directly cooled and absorbed through a halohydrocarbon solvent, phosgene and partial hydrogen chloride in the phosgene tail gas are recovered to obtain a phosgene tail gas solution; the phosgene tail gas solution is used as a phosgene raw material for synthesizing pesticide intermediate or acyl chloride chemical products in the action of a composite catalyst; and the composite catalyst contains at least one pyridine or bipyridyl and Lewis acid salt of at least one rare-earth metal. Compared with other methods, the solvent cooling direct absorption method has the advantages of less investment, low energy consumption, convenience in operation and the like.

The invention relates to a method for removing a phenylurea herbicide chlortoluron in water by an ultraviolet/persulfate combined process. The method comprises the following specific steps: (1) pretreating a water sample containing impurities; and (2) adding a persulfate solution into the pretreated water sample, adjusting the pH value, and carrying out photodegradation on the water sample by using ultraviolet lamp illumination to remove the phenylurea herbicide chlortoluron in the water. Compared with the prior art, the chlortoluron removal effect can reach 99% or above, the concentration ofdegradation-resistant harmful substances in water is effectively reduced, operation is easy, reaction conditions are easy to control, adopted chemical reagents and materials are conventional productsfor water treatment, other toxic and harmful substances are not introduced, and the method is outstanding in safety and practicability. The reaction environment is easy to realize, treatment can be performed at room temperature, so that feasibility and operability of the method are effectively improved.

The invention discloses a composition containing C20H19N3ClF3O3 and chlortoluron and used for treating Alopecurus japonicas with resistance and application of the composition. The herbicide composition has the advantages that the composition can effectively prevent and weed gramineous weeds, which has resistance and uses Alopecurus japonicas with resistance as the dominant species, in winter wheatfields and is safe to wheat; herbicide use amount can be lowered evidently, herbicide use times can be reduced, and field chemical prevention and weeding cost can be reduced; weed resistance generation and recurrence are delayed; part of broadleaf weeds can also be treated, herbicide weed control spectrum can be expanded and the like. The composition is a currently feasible herbicide compositionfor preventing and weeding the gramineous weeds in the winter wheat fields.

The invention relates to a herbicidal composition containing florasulam. The composition is mainly characterized in that the herbicidal composition comprises 1-60% of active ingredient A, 1-80% of active ingredient B and the balance of auxiliaries. The active ingredient A is florasulam while the active ingredient B is selected from mesotrione or chlortoluron. The composition can be prepared into wettable powder, water dispersible granules, suspension, suspended emulsion and the like. The herbicidal composition provided by the invention is used for preventing and treating weeds in wheat and corn fields.

The invention discloses an herbicide composition containing chlortoluron, pretilachlor and diflufenican and a use thereof. Active components of the herbicide composition comprise chlortoluron, pretilachlor and diflufenican. A mass ratio of chlortoluron, pretilachlor to diflufenican is 10-150: 10-50: 1-50. The herbicide composition has obvious synergism in the above ratio range, reduces an herbicide use dosage, reduces herbicide use frequency, reduces an herbicide use cost, reduces the unfavorable influence produced by the herbicide on an ecological environment and enlarges a weeding spectrum. Through one herbicide use step, various weed problems are solved and defects and limitation of single-ingredient herbicide use are overcome. The herbicide composition prolongs a service life and has an important meaning for comprehensive control of weed resistance. The herbicide composition can fast produce effects, has long action time, has a low use cost and can be used for preventing and controlling gramineous weeds and broadleaf weeds in a wheat field.

The invention discloses an insecticide composition containing prothioconazole and chlortoluron, belonging to the technical field of pesticide preparations. The insecticide composition is prepared fromthe effective active components, i.e., prothioconazole and chlortoluron, wherein the weight ratio of the prothioconazole to the chlortoluron is equal to (30 to 1)-(1 to 30). In the insecticide composition, the weight ratio of the prothioconazole to the chlortoluron is equal to (10 to 1)-(1 to 10). Preferentially, in the insecticide composition, the weight ratio of the prothioconazole to the chlortoluron is equal to 1 to 1, 2 to 1, 3 to 1 or 4 to 1. By reasonably blending the prothioconazole with the chlortoluron, the insecticidal spectrum is expanded, the pesticide effect is improved, the pesticide consumption is reduced, the environmental pollution is reduced, and the insecticide composition is safe and efficient.

The invention discloses a herbicidal composition containing nicosulfuron and chlortoluron and application thereof. The nicosulfuron and the chlortoluron serve as main active ingredients; and the mass ratio of the nicosulfuron to the chlortoluron is 1-60:1-80. Compared with a single-component herbicide, the herbicidal composition delays weed resistance, has a broad herbicidal spectrum and acts for a long time on the premise of improving a herbicide effect, is safe for corns and succeeding crops and can be used for preparing herbicides for controlling postemergence weeds in corn fields.

The invention discloses a resistant weed control auxiliary Silwet 806 and chlortoluron synergism composition and an application thereof. The herbicide and auxiliary composition can achieve remarkablesynergistic effects on fenothiocarb-resistant alopecurus japonicus in a winter wheat field, and has the advantages that the composition is safe for wheat, dosage is remarkably reduced, chemical control cost is reduced, other resistant grassy weeds and parts of broadleaf weeds in the winter wheat field are controlled, dosing frequency is decreased and the like. The composition is a feasible synergistic and decrement herbicide and auxiliary composition for controlling the fenothiocarb-resistant alopecurus japonicus in the winter wheat field at present.

The invention discloses a broad-spectrum substituted urea herbicide degradation bacterium and amidohydrolase gene and application and provides an amidohydrolase gene of a substituted urea herbicide and hydrolase protein induced by the gene.The total length of the gene is 1377 bp, the G+C content is 63.5%, 458 amino acids are encoded, and the gene is a new amidohydrolase gene resource having a broad-spectrum hydrolysis function on the substituted urea herbicide, 30 mg/L N-methoxyl-N-methyl substituted urea herbicide (linuron) and N,N-dimethyl substituted urea herbicide (diuron, chlortoluron and fluometuron) can be completely degraded within 24 h, and produced enzymic preparations can be used for removing substituted urea herbicide residues on soil, water and crops.The gene can be used for cultivation of transgenic crops resisting substituted urea herbicide.

The invention relates to a herbicide composition for controlling annual weeds in a wheat field, which consists of tricornox and isoproturon or chlortoluron. The binary composition can be added with a surfactant, a solvent, a stuffing and other auxiliary agents to be prepared into suspending agents, wettable powder, and water dispersible granules. The prior chemical herbicide has the problems of single herbicide controlling spectrum, easy generation of herbicide resistance of weeds, and drug injuries to the current crops and the succession crops, but the herbicide composition overcomes the defects and has the advantages of remarkable synergism, capability of preventing and eliminating the annual gramineae and broad leaved weeds, and safety for wheat and the succession crops.

The invention relates to a method for removing a phenylurea herbicide chlortoluron in water, which is characterized in that PMS is used as an oxidant, and the phenylurea herbicide chlortoluron in the water is oxidized and degraded through ultraviolet radiation. Compared with the prior art, the method provided by the invention can realize thorough mineralization of a considerable part of refractory trace organic pollutants, basically has no catalyst residue and no toxic and harmful by-product generation, has strong adaptability to different matrix water bodies, basically does not need to adjust the pH value of the water to be treated, and has the advantages of wide pH range, convenient operation and low operation cost.

The invention relates to a herbicide composition containing pendimethalin, oxadiazon and chlortoluron. The herbicide composition is characterized in that the weight ratio of the pendimethalin to the oxadiazon to the chlortoluron preferably is 1-75:1-30:1-75 and most preferably is 3-9:2-7:2-8. The herbicide composition has the synergistic effect.

The invention relates to the field of herbicides, and discloses a herbicide composition being wide in herbicide controlling spectrum and remarkable in weed control effect, and application thereof. The active ingredients of the herbicide composition disclosed by the invention contain pyroxasulfone and chlortoluron. The herbicide composition provided by the invention shows an excellent synergistic effect, and the use dosage of pesticides is reduced, so that the pesticide use cost of farmers and the influence degree on the environment are reduced.

The invention relates to weeding composition containing tembotrions and chlortoluron. A preparation of the weeding composition contains tembotrions and chlortoluron at a ratio of parts by weight of (55:1): (1:50), the total part by weight of effective components in the weeding composition preparation accounts for 1%-60% of the total part by weight of the whole preparation, and the weeding composition can be prepared to form pesticide preparation formulations such as wettable powder, a suspending agent, missible oil, microemulsion, an emulsion in water, a granule and a water dispersible granule. The weeding composition has a remarkable synergistic effect, the persistent effect of a single dosage of each component is improved, herbicide resistance of weeds is remarkably delayed, the repeated use times of herbicide, the herbicide use quantity and the agricultural cost are reduced, and the weeding composition is safe to crops, is easily decomposed in the environment after the lasting period, improves safety of next-stubble crops and has significance on ecological environmental protection.

The invention relates to a pesticide composition containing rimsulfuron. The pesticide composition contains an active ingredient A, an active ingredient B, an auxiliary agent and other excipients, wherein the active ingredient A is selected from rimsulfuron; and the active ingredient B is selected from any one of the following compounds: sulcotrione and chlortoluron. The pesticide composition is mainly characterized by containing 1 to 60 weight percent of active ingredient A and 1 to 80 weight percent of active ingredient B; and the weeding composition can be prepared into wettable powder, water dispersible granules, suspending agent, emulsion, emulsion in water or micro emulsion. The weeding composition is used for preventing and controlling weed in corn fields, and has the characteristics of reduction in pesticide consumption, reduction in pesticide residue, good environmental compatibility and safety to people and animals.