38 results about "Metolachlor" patented technology

The present disclosure relates to herbicidal combinations, compositions and methods for controlling weeds comprising the carbamate herbicide asulam and an additional herbicide selected from the group comprising cyclohexanedione oxime herbicides, pyrimidinylsulfonyhirea herbicides, triazolopyrimidine herbicides, imidazolinone herbicides, alkylazine herbicides, triketone herbicides, N-phenylimide herbicides or chloroacetamide herbicides. Specifically, the additional herbicide may be one of clethodim, chlorimuron, diclosulam, imazamox, imazethapyr, indaziflam, mesotrione, saflufenacil, tiafenacil or S-metolachlor.

The invention discloses a bacillus subtilis strain and application thereof. Belongs to the technical field of gold metolachlor degradation. The method comprises the following steps: taking a soil sample from a perennial land where Jinmetor is applied, taking a bacterial cake of the strain in a basic inorganic salt solid culture medium which takes Jinmetor as a unique carbon source, carrying out primary screening on microorganisms in the soil by observing whether a transparent circle can appear around the bacterial cake or not, determining the degradation rate of the strain through a liquid chromatography, and carrying out secondary screening, and identifying the screened strain through morphology, physiology, biochemistry and molecular biology to obtain the bacillus subtilis TXB2. When the bacillus subtilis TXB2 is used for potting control effect tests and field control effect tests on buckwheat seedlings, phytotoxicity in the buckwheat seedling stage can be relieved, and the bacillus subtilis TXB2 is safe to people and livestock.

The present invention relates to a herbicidal composition and its application, and relates to the field of pesticides. The active ingredients include flumioxazin, S-metolachlor, and terbuthylazine. The weight ratio of flumioxazin, S-metolachlor, and terbuthylazine is 1:(0.1-20):(0.1-20), optionally 1:(3-20):(3-20), optionally 1:(5-10):(5-10), and optionally 1:(5.7-7):(6-7.3). The compound agent of flumioxazin, S-metolachlor, and terbuthylazine in the present invention has a synergistic effect, can improve the control effect, and can control a variety of different types of plant weed pests that occur in combination, thereby reducing the amount of medicine used, saving costs, and improving environmental safety.

The present invention belongs to the field of pesticides, and particularly relates to a herbicidal composition and its application. The herbicidal composition comprises an active ingredient A and an active ingredient B in an effective herbicidal amount, wherein the active ingredient A is, and the active ingredient B is selected from one or more of the following compounds: pyroxasulfone, acetochlor, butachlor, propisochlor, S-metolachlor, pendimethalin and metamitron. This composition can effectively control various weed problems in the strip intercropping fields of corn and soybean, has high safety and good selectivity for crops, and has the characteristics of expanding the herbicidal spectrum, reducing the application amount, being able to produce a synergistic effect and solving resistant weeds, etc.

The invention relates to a pharmaceutical composition for effectively removing water hyacinth, the pharmaceutical composition is mainly formed by compounding active ingredients of flumioxazin, pendimethalin and s-metolachlor, the mass ratio of the flumioxazin to the pendimethalin to the s-metolachlor is (0.75-25): (0.2-200): (0.3-300), and the dosage of the active ingredients ranges from 0.75 mg / L to 525 mg / L. After flumioxazin, pendimethalin and s-propisochlor are applied to the water hyacinth, generation of new leaves of the water hyacinth can be effectively inhibited, withering and rotting of the leaves are promoted, generation of new roots and plant rejuvenation are inhibited, a remarkable inhibition effect is achieved, the rotted water hyacinth can serve as nutrients for growth of various aquatic organisms after entering sludge at the bottom of a water body, and the water hyacinth can be used as a nutrient for growth of the aquatic organisms. And the effect of recycling resources is achieved.

The invention discloses a herbicide Jinmetolachlor degradation complex microbial inoculant TDW2 and application thereof. Belongs to the technical field of gold metolachlor degradation. The method comprises the following steps: taking a soil sample from a land parcel where Jinmetolachlor is applied throughout the year, screening out a strain capable of degrading the herbicide Jinmetolachlor, identifying the screened strain through morphology, physiology, biochemistry and molecular biology, then carrying out an antagonism test between strains, and selecting strains without antagonism to construct a compound strain TDW2, so that the compound strain TDW2 can be used for degrading the herbicide Jinmetolachlor. The strain TDW2 is used for carrying out potting control effect tests and field control effect tests on buckwheat seedlings to obtain a Jinmetor degrading strain TDW2, the phytotoxicity in the buckwheat seedling stage is relieved, and the Jinmetor degrading strain TDW2 is safe to human and livestock and free of pollution to the environment and has good development and application prospects.

The invention discloses a herbicide metolachlor degradation complex microbial inoculant WT1 and application thereof. Belongs to the technical field of gold metolachlor degradation. The method comprises the following steps: taking a soil sample from a land parcel where Jinmetolal is applied throughout the year, screening out a strain capable of degrading herbicide Jinmetolal, identifying the screened strain through morphology, physiology, biochemistry and molecular biology, then carrying out an antagonism test between strains, and selecting strains without antagonism to construct a compound strain WT1, the strain WT1 is used for carrying out potting control effect tests and field control effect tests on buckwheat seedlings to obtain a Jinmetor degrading strain WT1, the phytotoxicity in the buckwheat seedling stage is relieved, and the Jinmetor degrading strain WT1 is safe to human and livestock and free of pollution to the environment and has good development and application prospects.

The invention discloses a method for preparing a chiral amine compound through asymmetric hydrogenation of ruthenium catalyzed imine. The chiral ruthenium catalyst is a chiral metal ruthenium complex prepared by reacting metal ruthenium salt with a chiral phosphine-phosphoramidite ester ligand and chiral diamine in a solvent and carrying out column chromatography. Compared with other chiral amine synthesis methods, the method provided by the invention has the characteristics of cheap catalyst, easy preparation of chiral ligand, mild reaction conditions, simple operation, high yield and enantioselectivity and the like, and can be applied to large-scale preparation of chiral amine compounds. The method is also suitable for synthesis of the key intermediate of the herbicide (S)-metolachlor, the yield can reach 92%, the enantioselectivity can reach 90%, and the method has good industrial application prospects.

The invention relates to the technical field of biological science, in particular to a synthetic method of hapten with glyphosate and alachlor structural characteristics. Comprising the following steps: dissolving alachlor in absolute ethyl alcohol in a clean and dry round-bottom flask to enable the concentration of alachlor to be 0.6 mol / l, stirring and clarifying, adding glyphosate and sodium hydroxide solids according to a molar ratio of 1: 1: 2, carrying out reflux reaction at 80 DEG C for 4 hours, monitoring by a TLC (Thin Layer Chromatography) method, and after no alachlor raw material is left, carrying out reduced pressure distillation to remove absolute ethyl alcohol to obtain the alachlor. Dissolving the residue in water, adjusting the pH value to 10 by using a 2mol / l sodium hydroxide solution, extracting by using ethyl acetate, supplementing the sodium hydroxide solution in each extraction, keeping the pH value to be more than 10 until the organic phase does not absorb ultraviolet light, adjusting the pH value of the water phase to 3 by using a 2mol / l hydrochloric acid solution, and extracting once by using ethyl acetate; the operation is simple, the post-treatment is easy, and the yield is high.

This utility model relates to the field of pesticide production technology, specifically to a device for preparing a compound suspension of propyzamide and metolachlor, comprising a mixing tank, a sealing cover fixedly connected to the upper end of the mixing tank, and a stirring assembly provided on the surface of the sealing cover. The stirring assembly includes a servo motor, a first bevel gear, a stirring frame, a connecting shaft, a second bevel gear, a first stirring blade, a stirring shaft, a third bevel gear, and a second stirring blade. A device housing is fixedly connected to the upper surface of the sealing cover, and a feed chute is provided on the left side of the device housing. Viewing windows are provided on both the front and rear sides of the sealing cover. Through the cooperation of the servo motor, the first bevel gear, the second bevel gear, the third bevel gear, the stirring frame, and the stirring shaft, the first and second stirring blades are driven to rotate in opposite directions, preventing the pesticide solution from rotating in the same direction, facilitating rapid dispersion of the internal suspension, and effectively improving the mixing efficiency and mixing effect of the pesticide solution.

The invention belongs to the technical field of environmental engineering wastewater treatment, and discloses a modified granular biochar adsorbent as well as preparation and application thereof. The invention relates to a preparation method of a modified granular biochar adsorbent. The preparation method comprises the following steps: 1) cutting agricultural straw waste, and carbonizing; 2) soaking the biomass carbonized material obtained in the step 1) in a metal ion solution, stirring, separating and drying; and 3) mixing the modified charcoal powder material obtained in the step 2) with a polyacrylate emulsion to form a viscous mixture, preparing the mixture into granules, and drying to obtain the modified granular charcoal adsorbent. According to the method disclosed by the invention, resource utilization of agricultural straw wastes is realized, the obtained adsorbent has an excellent adsorption effect on metolachlor, the problems that liquid-solid separation is difficult, a packed column is easy to block and the like in practical application of a powdery adsorbent (micron-sized) are solved, and a simple and efficient method is provided for treating excessive metolachlor in source water.

The invention provides a weeding composition containing s-metolachlor and fomesafen, and a missible oil preparation containing the weeding composition. The active ingredients of the composition are S-metolachlor and fomesafen, and the weight ratio of S-metolachlor to fomesafen is (30-100): (10-50). The missible oil preparation comprises the composition and also comprises auxiliary components, and the effective components account for 40-80% of the total weight of the missible oil preparation. The weeding composition provided by the invention has an obvious synergistic effect, and can effectively prolong the weed control period, reduce the dosage and expand the weed control spectrum.

The invention relates to the technical field of pesticides, in particular to a herbicidal composition, preparation and application thereof. The herbicidal composition comprises a component A and a component B, wherein, the component A is benzylazole, and the component B is at least one of acetochlor, butachlor, metolachlo, dimethylphenoxychlor, mesotrione, nicosulfuron, atrazine, terbuthylazine, metribuzin, S-metolachlor and dimethylphenoxychlor. The weight ratio of the component A to the component B is 1:(1-80).

The invention relates to the technical field of microorganisms, and discloses an animal lactic acid bacterium ZS-1 and application thereof.The animal lactic acid bacterium ZS-1 has the characteristics of low temperature resistance, pH tolerance, salt tolerance and the like, can generate an excellent pesticide degradation effect, and particularly has high degradation capacity on cyhalothrin, metolachlor and chlorfenapyr.

The invention belongs to the technical field of pesticide preparations, and particularly relates to a suspoemulsion containing diclosulam and s-metolachlor and a preparation method of the suspoemulsion. Compared with the prior art, the suspoemulsion containing diclosulam and s-metolachlor provided by the invention has the advantages that the stability of the product is improved by preferably selecting the auxiliaries, the influence of environmental change in the transportation process is effectively solved, and the risks of layering, bleeding and creaming are avoided. The problem of storage stability is solved, the use in different countries and regions is met, and large-scale popularization and application are facilitated.

The present invention relates to a kind of herbicidal composition, herbicide and application thereof.The herbicidal composition includes component A, component B and component C, wherein component A is cashew nut shell liquid and / or tea tree essential oil, component B is tembotrione, component C is selected from at least one of S-isopropylamine, 2-methyl-4-chloro and its derivatives, clofopyralid and its derivatives, atrazine, nicosulfuron, and the mass ratio of component A, component B and component C is 1:(1 2.5):(1 10).The herbicidal composition of the present invention shows good synergistic effect, and in terms of preventing and treating grass weeds, broadleaf weeds and sedge, the herbicidal effect of the herbicidal composition is better than the herbicidal effect of a single component.

The present invention relates to a herbicidal composition comprising as active ingredient a mixture of components (A) and (B) wherein component (A) is a compound of formula (I) and component (B) is s-metolachlor or an agrochemically acceptable ester or salt thereof.

The invention relates to the technical field of herbicides, in particular to a tembotrione-containing herbicide and a preparation method thereof. The weeding composition is prepared from the following raw materials: a tembotrione composition and a s-metolachlor composition, the mass ratio of the tembotrione composition to the s-metolachlor composition is 1: (4-6); the tembotrione composition is prepared from tembotrione, clopyrone, a dispersing agent and water, the S-metolachlor composition comprises S-metolachlor, an emulsifier, colloid, a preservative, a stabilizer and water. The tembotrione-containing herbicide with good stability can be obtained by adopting the preparation raw materials provided by the invention.

The present invention relates to a herbicidal composition comprising as active ingredients a mixture of components (A) and (B), wherein component (A) is a compound of formula (I) [Formula 1] JPEG2026507059000017.jpg38160, and component (B) is S-metolachlor or an agrochemically acceptable ester or salt thereof.

The invention discloses a weeding composition and a preparation method thereof. The weeding composition is prepared from the following components in percentage by weight: 10.5 to 31.5 percent of butralin, 10 to 30 percent of s-metolachlor, 5 to 10 percent of clomazone, 10 to 30 percent of compound emulsifier and the balance of compound solvent. The weeding composition provided by the invention can effectively prevent and remove annual weeds in a tobacco field, is safe to tobacco, high in preparation stability, long in weed closing time, low in dosage and very high in market value, and solves the problems of poor safety, short lasting period, high dosage and the like in the process of preventing and removing the annual weeds in the tobacco field by using an existing medicament.

The invention belongs to the technical field of environmental microorganisms, and particularly relates to a metolachlor anaerobic degradation strain SRB-9 and application thereof. According to the present invention, a strain SRB-9 capable of efficiently and anaerobically degrading metolachlor (MET) is separated from anaerobic sediments, and the morphological and molecular biological identification results show that the strain belongs to nitrate desulfurization vibrio, is named as Nitatidesulfurvibrio sp. SRB-9, is preserved in the China Center for Type Culture Collection (CCTCC), and has a preservation number of CCTCC M 20251781. The invention further provides a preparation method of the metolachlor-metolachlor anaerobic degradation strain SRB-9, and the metolachlor-metolachlor anaerobic degradation strain SRB-9 can be used for efficiently and anaerobically degrading metolachlor-metolachlor anaerobic degradation strain SRB-9, the bacterial strain can rapidly degrade MET under anaerobic conditions, and the degradation half-life period of the bacterial strain to MET with the concentration of 100 [mu] M is 9.6 d. And the strain can also be used for rapidly and anaerobically degrading five kinds of chloroacetamide herbicides such as alachlor, acetochlor, propisochlor, pretilachlor and butachlor. The strain disclosed by the invention is beneficial to repairing wastewater or soil polluted by various chloroacetamide herbicides, enriches a resource library of pesticide degrading bacteria, and has a good application prospect.

The present application belongs to the technical field of chemical herbicides, and particularly relates to a compound herbicide containing S-Isopropyl Methylcarbamate. The present application provides a compound herbicide containing S-Isopropyl Methylcarbamate, which is composed of S-Isopropyl Methylcarbamate-propynyl oxadiazolone microcapsule suspensible granules and propynyl oxadiazolone suspensible granules, so that: 1, part of the propynyl oxadiazolone is effectively microencapsulated, prolonging the effective period of weed control; 2, the compound herbicide has relatively high intensity of broadleaf weeds, gramineous weeds, and sedge weeds control effect in the early stage of the 100-day effective period, and can appropriately control various annual and perennial weeds throughout the effective period, ensuring outstanding weed control effect in corn, sorghum, peanut and other dry land crops.

The invention belongs to the technical field of biology, and particularly relates to a metolachlor and chloroacetamide herbicide degrading bacterium, an enzyme and application. According to the present invention, the degrading bacterium Rhodococcus sp. L-9 capable of efficiently degrading metolachlor and other chloroacetamide herbicides is found through screening, and the degrading bacterium Rhodococcus sp. L-9 can be used for efficiently degrading metolachlor and other chloroacetamide herbicides. Furthermore, according to the invention, a gene cluster metABD for degrading the metolachlor and other chloroacetamide herbicides is cloned from a strain L-9, and the gene cluster metABD can encode three-component cytochrome P450 oxidase MetABD to catalyze the degradation of the metolachlor and other five chloroacetamide herbicides (alachlor, acetochlor, propisochlor, pretilachlor and butachlor); and enantiomer selectivity is achieved in catalysis of chiral herbicide metolachlor, and good social and economic benefits are achieved.

The present invention belongs to the technical field of herbicides, and particularly relates to a pre-emergence herbicide for sesame fields containing isoproturon and flumioxazin. A pre-emergence herbicide for sesame fields, wherein the pre-emergence herbicide for sesame fields is prepared from active ingredients supplemented with auxiliary ingredients permitted to be added in pesticide science; wherein, the active ingredients are compounded by isoproturon and flumioxazin according to a mass ratio of 1-30:15-1, or are compounded by isoproturon, flumioxazin and metolachlor according to a mass ratio of 1:1-20:8-1. The herbicide compounded by isoproturon and flumioxazin in the present invention, or the herbicide compounded by isoproturon, flumioxazin and metolachlor, has a co-toxicity coefficient greater than 120 within a certain mass ratio range, shows a synergistic effect on the weed Abutilon theophrasti in sesame fields, can improve the control effect on weeds such as Abutilon theophrasti in sesame fields, and at the same time can delay the generation of weed resistance and reduce the resistance risk of herbicides, and can be used for developing new high-efficiency herbicides.

The invention relates to the technical field of herbicides, and discloses a missible oil type herbicide and a preparation method and application thereof.The missible oil type herbicide is mainly composed of clomazone and s-metolachlor, the clomazone and the s-metolachlor are compounded according to a scientific proportion, complementation of action mechanisms of broadleaf weeds and grassy weeds is achieved, and the effect of the missible oil type herbicide on the grassy weeds is achieved. The comprehensive control effect of the compound preparation on common barnyard grass, green bristlegrass, amaranthus retroflexus and other weeds in a rape field is obviously superior to that of each single agent and conventional barrel mixing, the herbicide controlling spectrum is wide, the lasting period is long, the synergistic effect of the two is obvious, and the highest control effect can reach 99%.

The invention discloses a Jinmetor degrading bacterium DH5 and application thereof. Belongs to the technical field of gold metolachlor degradation. Aspergillus fungi are named as DH5, the classification name of the Aspergillus fungi is Aspergillus sp., the Aspergillus fungi are preserved in the China Center for Type Culture Collection on July 1, 2024, and the preservation number is CCTCC NO: M 20241438. When the strain DH5 is used for degrading Jinmetolar 7d in a culture medium, the degradation rate is 40.43%, and when the strain DH5 is used for degrading Jinmetolar 21d in the culture medium, the degradation rate is 46.53%. The Aspergillus sp. DH5 provided by the invention is used for rapidly degrading Jinmetolachlor and relieving phytotoxicity in the seedling stage of buckwheat, is safe to human and livestock, has no pollution to the environment, and has good development and application prospects.

The present invention discloses a phosphorus-doped modified biochar material, its preparation method and application. The raw materials of this material include potassium dihydrogen phosphate and rice straw, and the mass ratio is 1:(100-800). Its preparation method includes the following steps: (1) Wash and dry the rice straw, and crush it into powder; (2) Add potassium dihydrogen phosphate particles into ultrapure water to make a potassium dihydrogen phosphate solution; (3) Add the rice straw powder into the potassium dihydrogen phosphate solution, stir and dry to obtain the dried phosphorus-doped rice straw material; (4) Carbonize the dried phosphorus-doped rice straw material to obtain a phosphorus-doped rice straw carbonized material; (5) Wash the phosphorus-doped rice straw carbonized material to remove ash, dry and crush it to obtain the modified biochar material. By using the rich pore distribution, high specific surface area and abundant surface functional groups of this material, the purpose of removing acetochlor, butachlor and metolachlor in environmental water bodies is achieved.

This invention relates to the application of a stabilizer for preventing or inhibiting discoloration in amide herbicide formulations and the herbicide itself, belonging to the field of pesticide formulation technology. The stabilizer is epichlorohydrin and / or BHT; the application involves using the stabilizer in amide herbicide formulations to prevent or inhibit discoloration. The amide technical grade is one or more of acetochlor, metolachlor, butachlor, and propachlor. The amide herbicide comprises, by mass fraction: 20%–90% amide technical grade, 3%–30% emulsifier, 0.1%–2% stabilizer, and 1%–75% solvent. This invention significantly improves color stability: epichlorohydrin and BHT effectively inhibit the oxidative discoloration process of amide herbicides, allowing the technical grade to maintain a golden-yellow appearance during storage under light, preventing it from turning red or purplish-red. Maintaining the integrity of efficacy: Epichlorohydrin and BHT act only on the oxidation pathway of impurities and do not interfere with the main active ingredients of amide herbicides (such as acetochlor and butachlor), ensuring that the weeding effect is not affected.

The invention relates to the technical field of pesticide preparation, and provides a preparation method of a micro-capsule suspending agent containing s-metolachlor and flumetsulam, and the preparation method comprises the following steps: S1, preparing flumetsulam into a flumetsulam suspension, and then mixing an emulsifier, the flumetsulam suspension and water to obtain a solution A; s2, mixing the oil-phase wall material, s-metolachlor and an organic solvent to obtain a solution B, and mixing the water-phase wall material and water to obtain a solution C; s3, dropwise adding the solution B in the step S2 into the solution A, and shearing while stirring in the dropwise adding process; and S4, continuously dropwise adding the solution C after dropwise adding the solution B in the step S3, and stirring in the dropwise adding process to obtain the stable s-metolachlor and flumetsulam microcapsule suspending agent.

This invention belongs to the field of pesticide formulation technology and provides a herbicidal extrusion floating granule and its preparation method. The herbicidal extrusion floating granule comprises the following raw materials by mass percentage: 0.1-50% active ingredient, 5-30% silica, 5-25% floating material, 3-10% dispersant, 3-10% disintegrant, 1-5% wetting agent, 1-5% emulsifier, 1-5% binder, 0-1% pH adjuster, 0-1% defoamer, with the remainder made up with filler. The active ingredient includes a first active ingredient and a second active ingredient; the first active ingredient includes pyrimisulfuron and / or bensulfuron-methyl; the second active ingredient includes pretilachlor and / or metolachlor. The prepared floating granule product has good floating and dispersing properties. Field trial results show that the prepared floating granule sample has a good control effect on weeds in paddy fields when applied by broadcasting, and is labor-saving, time-saving, labor-saving, and environmentally friendly.