141 results about "Pesticides/herbicides" patented technology

The invention belongs to the field of agricultural herbicides, and particularly discloses a paddy field herbicide mixture. The paddy field herbicide mixture is characterized in that: the active components of the paddy field herbicide mixture include 0.5 to 90 percent of component A, 0 to 90 percent of component B and 0 to 90 percent of component C in part by weight, wherein the component A is clomazone, the component B is cyhalofop butyl ester or pfenoxaprop-ethyl, and the component C is one of bensulfuron-methyl, pyrazosulfuron-ethyl and carfentrazone-ethyl. The paddy field herbicide mixture has a remarkable synergistic effect and the effect of increasing the weed-killing speed, prolongs the persistent time, achieves a prevention and elimination effect on a variety of gramineous weeds and latifolious weeds in paddy fields, and is low in toxicity, the weed control spectrum is broadened, and the dosage is remarkably reduced.

The invention relates to the field of pesticide herbicides, and discloses a triketone compound, a preparation method and applications thereof, and a herbicide. The triketone compound has a structure represented by formula (I), and R is n-propyl or cyclopentyl. The triketone compound provided by the invention can be used as an HPPD herbicide for preventing and removing gramineous weeds and broadleaf weeds in wheat fields and/or peanut fields, and has a good prevention effect on various gramineous weeds and part of broadleaf weeds harmful to the growth of wheat and/or peanuts.

The present invention is the method of treating phenol-containing effluent and recovering resource in 2-methyl-4-chlorophenoxyacetic acid (MCPA) as one farm herbicide. The steps includes: filtering of the effluent, macroporous resin adsorption in adsorbing tower and biochemical treatment of the adsorbed water before discharge; desorbing regeneration of adsorbed macroporous resin with orthocresol as desorption agent; and pH regulation and separation of the desorption agent liquid to obtain orthocresol, which is returned to production, water phase, which is returned to waste water treatment, and low concentration desorption liquid, which is reused. The said process can result in phenol concentration in the effluent below 5 mg/L, phenol eliminating rate higher than 99% and phenol recovering rate greater than 80%.

The present invention relates to preparation process of carboxylate with modified amorphous copper alloy catalyst and alkaline mixture containing primary alcohol. The modified amorphous copper alloy catalyst prepared through a rapid cooling process is modified with one or several metal elements and non-metallic elements, including Cr, Ti, Nb, Ta, Zr, V, Mo, Si, Mo, W, etc. Under the action of the catalyst and in alkaline condition, primary alcohol is dehydrogenated to prepare carboxylate in fixed yield and high stability. The carboxylate obtained through dehydrogenating diethanolamine may be prepared into herbicide glyphosate through chemical reactions in certain conditions.

The invention discloses a pesticide microcapsule and a preparation method thereof. The pesticide microcapsule consists of a capsule core and a capsule wall; and the capsule core is pesticide and the capsule wall is a compound capsule wall which is formed by encapsulating natural fibers by high polymer materials. The preparation method comprises the following steps of: 1) dispersing natural fibers in liquid pesticide, and soaking to ensure that liquid pesticide is filled in microtubules of natural fibers; 2) and encapsulating the natural fibers in which pesticide is filled in the step 1) by using the high polymer materials to obtain the pesticide microcapsule. The cotton fibers which are adopted in the method have natural plant microtubules which have high hollowness, are environment-friendly, and low in price and can be obtained easily, and have the characteristics of high encapsulation capacity, low cost, sustained release and the like when used for the pesticide microcapsule.

The invention relates to paraquat-containing water dispersible granules for pesticides and herbicides, and a preparation method for the paraquat-containing water dispersible granules. The invention aims to solve the problem of animal poisoning in the processes of producing, storing and using the conventional paraquat water dispersible granules. The paraquat water dispersible granules comprise the following components in percentage by weight: 5 to 95 percent of paraquat, 0.1 to 2 percent of wetting agent, 3 to 8 percent of dispersing agent, 1 to 35 percent of disintegrating agent, 0.1 to 4 percent of stabilizing agent, 0.1 to 4 percent of adhesive and the balance of filler. The paraquat water dispersible granules with the formula have the characteristics of good weeding effect, quick disintegration, high dispersibility, light pollution to environment, safety for users, simple packaging, convenience for storage and transportation and the like in the using process.

The invention discloses a pesticide herbicide microcapsule and a preparation method thereof. The pesticide microcapsule comprises a capsule core and a capsule wall. The capsule core is a high-molecular gel embedded with pesticide; and the capsule wall is natural fibre or a composite capsule wall with a high-molecular material cladded the natural fibre. The preparation method is as below: 1) mixing the pesticide, an emulsifier, water and gel monomer to prepare an emulsion; 2) dispersing the natural fibre in the emulsion and immersing to fill microtubules of the natural fibre with emulsion; 3) filtering and collecting natural fibre full of emulsion, carrying out gelating or crosslinking solidification on the gel monomers in the emulsion to form gel and obtaining the pesticide microcapsule. When preparing the composite capsule wall, hollow fiber needs to be further cladded by the high-molecular material. The bombax cotton employed by the invention is an environment friendly cheap and easily available natural plant microtubule with large degree of hollowness and has characteristics of high packaging amount, low cost ad slow release, etc., when used as the pesticide microcapsule.

The invention belongs to the field of weed killer, in particular to a pyrithiobac-sodium containing soluble powder, soluble granules and soluble tablets. The invention aims at providing a pyrithiobac-sodium containing pesticide new formulation as well as improving the utilization rate of active ingredients and enhancing environmental compatibility by improving the formulation. The technical scheme thereof includes that a pyrithiobac-sodium containing soluble powder, soluble granules or soluble tablets comprises the components such as pyrithiobac-sodium crude drug, wetting agent, dispersing agent and a carrier, wherein the soluble tablets also comprise adhesive, lubricating agent and disintegrating agent. The invention has the beneficial effects: firstly, product is completely dissolved in water when in use, thus spraying is more uniform; secondly, the pyrithiobac-sodium containing soluble powder, soluble granules and soluble tablets are solid, thus being convenient for production and transportation and reducing production cost.

The present invention relates to a pesticide herbicide product, in particular to a dispersible oil suspension containing penoxsulam, saflufenacil, and cloclofenac and a preparation method thereof, wherein the distribution ratio of each component is: penoxsulam Amine 2%~8%, saflufenacil 2%~8%, cloclofenac 0.5%~3%, dispersant 1%~8%, emulsifier 5%~15%, wetting agent 0.5%~5% , 0.5% to 5% thickener, 0.5% to 8% stabilizer, 0.2% to 2% defoamer, 0.1% to 2% pH regulator, and the balance is oil-based solvent. Compared with the prior art, the penoxsulam, saflufenacil, and clofenac-ethyl dispersible oil suspension concentrate of the present invention have low toxicity to humans, animals, and beneficial organisms, can reduce the toxicity of active ingredients to applicators, and reduce the The phytotoxicity of drugs on target crops improves the control effect of herbicide products on weeds and the safety of crops. It is a low-carbon, environmentally friendly, safe and efficient dosage form.

The invention relates to a tribenuron-methyl water dispersible granule and a method for preparing the same, belonging to the field of the agrochemical herbicide. The tribenuron-methyl water dispersible granule is regular or irregular in shape and contains 40-80 weight percent of tribenuron-methyl. The method for preparing the tribenuron-methyl water dispersible granule comprises the following steps: a certain proportion of wetting agent, dispersing agent, disintegrating agent, binding agent and carrier are added to the raw tribenuron-methyl, mixed with the tribenuron-methyl and stirred uniformly to the tribenuron-methyl; the mixture is pulverized to obtain mother powder; a certain proportion of deionized water is added to the mother powder and mixed with the same; the mother powder mixed by the deionized water is granulated; and the tribenuron-methyl water dispersible granule is prepared after being dried and screened. The tribenuron-methyl water dispersible granule overcomes the defect of the wettable powder and reduces the use cost of the peasant and the pollution to the environment when being processed and used. With agents of different components being added to the tribenuron-methyl water dispersible granule, the tribenuron-methyl water dispersible granule has the characteristics of high content of active components, rapid disintegrating speed, good dispersing property, stable thermal storage performance, high fungicidal effectiveness and safety during use, and the like.

The invention discloses a herbicide as an agricultural chemical, and in particular relates to a pretilachlor-containing aqueous emulsion. The pretilachlor-containing aqueous emulsion for weed control comprises the following components by weight: 5 to 60 percent of pretilachlor, 2 to 10 percent of solubilizer, 2 to 15 percent of surfactant, 4 to 8 percent of antifreeze, 0.5 to 2 percent of thickener, and the balance of water. The pretilachlor-containing aqueous emulsion uses water as a solvent. Under a condition of a weed control effect equal to or better than other formulations, the pretilachlor-containing aqueous emulsion has the advantages of considerable resource conservation, great reduction in environmental pollution, safe production and storage, convenient use, and the like.

The invention belongs to the technical field of farm chemical herbicides, and particularly relates to a herbicide composition containing halauxifen-methyl and diquat. The herbicide composition is suitable for uncultivated land. The weight ratio of the active ingredient halauxifen-methyl to the active ingredient diquat ranges from 1:9.4 to 1:600. According to the herbicide composition, the weed control spectrum is broadened, the control effect is enhanced, the situation that the herbicide resistance of weeds can be rapidly generated when weed control is performed with a single herbicide is avoided, generation of the herbicide resistance of weeds is retarded, the dosage is reduced, the use cost is lowered, and environmental pollution is relieved.

The invention belongs to the technical field of farm chemical herbicides, and particularly relates to a herbicide composition containing halauxifen-methyl and halosulfuron-methyl. The herbicide composition is suitable for wheat fields. The weight ratio of the active ingredient halauxifen-methyl to the active ingredient halosulfuron-methyl ranges from 1:1.25 to 1:80. According to the herbicide composition, the weed control spectrum is broadened, the control effect is enhanced, the situation that the herbicide resistance of weeds can be rapidly generated when weed control is performed with a single herbicide is avoided, generation of the herbicide resistance of weeds is retarded, the dosage is reduced, the use cost is lowered, and environmental pollution is relieved.

The invention belongs to the technical field of farm chemical herbicides, and particularly relates to a herbicide composition containing halauxifen-methyl and topramezone. The herbicide composition is suitable for corn fields. The weight ratio of the active ingredient halauxifen-methyl to the active ingredient topramezone ranges from 1:0.6 to 1:40. According to the herbicide composition, the weed control spectrum is broadened, the control effect is enhanced, the situation that the herbicide resistance of weeds can be rapidly generated when weed control is performed with a single herbicide is avoided, generation of the herbicide resistance of weeds is retarded, the dosage is reduced, the use cost is lowered, and environmental pollution is relieved.

The present invention relates to the field of pesticide herbicides, and discloses a pyrazole-based derivative containing a quinazolinedione fragment, and applications thereof, and a pesticide herbicide, wherein the pyrazole-based derivative has a structure represented by a formula (I). According to the present invention, the pyrazole-based derivative has advantages of broad herbicidal spectrum andhigh safety to crops.

The herbicide composition features its contained active components including fenoxaprop-P-ethyl in 0.6-60 wt% and pyrazosulfuron-ethyl in 0.5-50 wt%. It has wide herbicidal spectrum, and can preventand kill gramineous weed, cyperaceae weed and latifoliate weed. It has the features of powerful synergistic effect, safety to crop and environment, low cost, etc. It has especially effective preventing and killing effect on weeds in directly seeding rice field in its middle stage.

The invention discloses a herbicide compound with broad-spectrum weeding function. The herbicide compound is different from other prior agricultural chemical herbicide. The effective component of the compound herbicide consists of ester Cyhalofop-grass and double grass ether, and uses milk oil as the product agent. The compound herbicide has the material weight percentage that the ester Cyhalofop-grass is 5-25 percent, the double grass ether is 3-25 percent, the emulsifying agent is 5-15 percent, and the solvent is 35-87 percent. The invention is a herbicide agricultural chemical compound which can perform high-effective and broad-spectrum weeding capability, is mainly used to prevent and remove various ruderal in the rice direct seeding filed, and has no blight on the crops. The herbicide compound with the broad-spectrum weeding function is applicable for preventing and removing various ruderal in the rice direct seeding filed.

The invention belongs to the technical field of farm chemical herbicides, and particularly relates to a herbicide composition containing halauxifen-methyl and diflufenican. The herbicide composition is suitable for wheat fields. The weight ratio of the active ingredient halauxifen-methyl to the active ingredient diflufenican ranges from 1:1.6 to 1:100. According to the herbicide composition, the weed control spectrum is broadened, the control effect is enhanced, the situation that the herbicide resistance of weeds can be rapidly generated when weed control is performed with a single herbicide is avoided, generation of the herbicide resistance of weeds is retarded, the dosage is reduced, the use cost is lowered, and environmental pollution is relieved.

The invention relates to the field of agricultural chemistry, in particular to herbicidal fertilizer for a rice field. The herbicidal fertilizer is prepared from, in percentage by weight, 0.015%-0.5%of a herbicide, 0.1%-0.6% of an aid and carrier fertilizer, wherein the aid is prepared from an emulsifier, a dispersant, a viscosity regulator and an organic solvent; the herbicide is prepared from afirst effective ingredient and a second effective ingredient, the first effective ingredient is penoxsulam; the second effective ingredient is any two of bispyribac-sodium, fenoxaprop-p-ethyl and clomazone. The effective herbicidal ingredients in the herbicide fertilizer adopt a combination manner of three different herbicides and have complementary advantages, the herbicide controlling spectrumis enlarged, and double effects of fertilizer and the herbicide are realized. The herbicidal fertilizer integrates the herbicide and the fertilizer, has double functions of weeding and fertilizer effects by combining the herbicide and a fertilizer carrier and is labor-saving, time-saving, effort-saving and cost-saving. With the combination of the aid, the herbicidal fertilizer has excellent thermal stability, high yield and good herbicidal effects.

The invention discloses a compound pesticide herbicide. The herbicide is a combination of two or more of a bensulfuron methyl and quinclorac granule, a bensulfuron methyl and mefenacet granule, a pyrazosulfuron methyl and penoxsulam granule, an azoxystrobin granule, a hymexazol granule, a penoxsulam granule, a bensulfuron methyl and butachlor granule, a bensulfuron methyl and pretilachlor granule and a penoxsulam and butachlor granule, and the carrier consists of a urea carrier and an ammonium sulfate carrier. More than two herbicides are mixed, so that a synergistic effect is achieved on weed control, the weeding efficiency is improved, the safety of the herbicide to crops can be improved, the problem of phytotoxicity of herbicides in agricultural production is fundamentally solved, the crop yield is improved by adjusting the crop growth, the cost is reduced, the ecological environment is protected, and the drug resistance of pests to chemical pesticides is delayed.

The invention discloses a herbicide composition and application thereof, and relates to the technical field of pesticide herbicides, the effective components of the herbicide composition comprise glufosinate-ammonium, 2-methyl-4-chloro-phenoxyacetic acid salt or 2-methyl-4-chloro-phenoxyacetic acid ester and haloxyfop-R-methyl, the mass fraction ratio of the glufosinate-ammonium to the 2-methyl-4-chloro-phenoxyacetic acid salt or the 2-methyl-4-chloro-phenoxyacetic acid ester to the haloxyfop-R-methyl in the herbicide composition is (8-32): (10-50): (1-5), and the total mass percent of the glufosinate-ammonium, the 2-methyl-4-chloro-phenoxyacetic acid salt or the 2-methyl-4-chloro-phenoxyacetic acid ester and the haloxyfop-R-methyl in the herbicide composition is 20%-80%. Compared with a single agent and a composition containing two groups of effective components, the herbicide composition has the advantages that the control effect is obviously improved, the use dosage of pesticides is reduced, the pesticide use frequency is reduced, the pesticide use cost is reduced, and the adverse influence of the pesticides on the ecological environment is reduced.

The invention belongs to the technical field of agricultural herbicides and provides a herbicide composition with sulfentrazone and fluroxypyr. The weight ratio of the sulfentrazone to the fluroxypyris (16:1)-(0.25:1). Advantages of the two single agents, namely the sulfentrazone and the fluroxypyr, are combined, advantages of weed control spectrums are complemented by each other, good fast-acting properties and long-lasting effects can be achieved, and the herbicide composition has a very good effect on test field weeds such as flixweed, shepherd's purse and galium aparine. By adopting the herbicide composition, herbicide controlling spectrums are widened, prevention effects are improved, the consequence that the drug resistance of weeds can be rapidly caused when a single herbicide is used can be avoided, drug resistance of the weeds can be retarded, the chemical amount can be reduced, the use cost can be reduced, and the environmental pollution can be alleviated.

The invention provides a weeding composition containing nicosulfuron and relates to the technical field of pesticide herbicide. Active ingredients of the weeding composition are fluroxypyr-mepthyl and nicosulfuron according to a mass ratio of 0.2-5:1. The weeding composition contains the active ingredients, fluroxypyr-mepthyl and nicosulfuron which are synergistic, so that consumption of fluroxypyr-mepthyl and nicosulfuron is reduced remarkably, weeding spectrum is expanded, economic cost is saved, resistance development is slowed down, environment pollution is reduced, and prevention and control effect on important weed can be improved remarkably.

The invention relates to a pesticide weedicide, in particular to a propisochlor-atrazine suspending agent. The invention aims at preventing the insect damages of such gramineous annual growth weeds as corn, soy bean, potato and broadleaf weeds in crop fields.

The present invention relates to the field of pesticide herbicides, and discloses a quinazolinedione compound and applications thereof, and a pesticide herbicide, wherein the quinazolinedione compoundhas a structure represented by a formula (I), and R is H or a group represented by a formula (I-1). According to the present invention, the quinazolinedione compound has excellent weeding activity and excellent crop safety.