346 results about "Metolachlor" patented technology

A paddy field herbicide compounded with benzobicylon comprises the following materials by weight: 5 to 80 percent of effective components, 5 to 20 percent of additives and 5 to 80 percent of filling materials, wherein the first effective component is benzobicylon; the second effective component is any one of acetochlor, metolachlor, propisochlor, pretilachlor, butachlor, mefenacet, penoxsulam, fenpyroxim, quinclorac, bensulfuron, pyrazosulfuron, cinosulfuron, clomazone, fenoxaprop-P-ethyl, carfentrazone and isoproturon, wherein the weight ratio between the first effective component and the second effective component is (1:8) to (8:1). The paddy field herbicide has the technical effects that the use is economical and efficient; the safety is high; the control effect of weeds of the grass family, the broad-leafed family and the sedge family in the paddy field is improved; particularly, the control effect of weeds of the broad-leafed family is remarkably improved; the herbicide controlling spectrum is broadened; the safety degree for paddy rice is improved; the dosage as well as the control cost is reduced.

A composite herbicide for rape field contains the pyrimidine benzylamine kind of herbicide, at least one of quizalofop-ethyl, fluazifop-p-butyl, haloxyfop, fenoxaprop and sethoxydim, acetochlor, alachlor, napropamide, ehaprochlor, metolachlor, ethamet sulfuron and benazolin. Its advantages are high effect, broad spectrum, low dosage and high safety.

The present invention provides a comprehensive herbicide for paddy fields, which includes component A and component B, wherein component A is mesotrione, and one or more of component A and component B Item compound, used for weeding in the field; component B is alachlor, metolachlor, propachlor, acetochlor, pretilachlor, butachlor, mefenacet, quinclorac , Cyhalofop-methyl, pendimethalin, saponin, bispyribac, saflufenacil, cyclopyrafen, pyrifluben. After the above scheme is adopted in the present invention, the composition of component A and component B has a synergistic effect, and has a good control effect on both grass weeds in paddy fields and broad-leaved and sedge weeds , and the residual effect period is short, does not affect the growth of the next crop, and is friendly to the environment.

The present invention provides an amicarbazone-containing pesticide composition which is composed of active ingredients, additives, a solvent or a carrier. The active ingredients comprise two components, the first one is amicarbazone, the second one is one of glyphosate, MCPA sodium, ametryn, atrazine, diuron, and 2,4 D-butylate or a combination thereof; the active ingredients may also include any one of acetochlor, metolachlor or nicosulfuron. According to the invention, the combination of above pesticide ingredients not only can complement each other, but also expands an herbicide spectrum, and achieves significant synergies, improving herbicide effect. The pesticide composition of the invention has good safety on sugar cane, corn, and afterreap crops, has significant herbicide effects on evil weeds such as tribulus terrestris, brachiaria plantaginea, bermuda grass and cyperus rotundus, and has no the proneness of making weeds resistant to pesticide, and has broad prospects for agricultural promotion.

The invention relates to a kind of chiral diphosphite ligands, an iridium composite catalyst thereof, a preparation method and application thereof. The ligands are obtained through using chiral (R)-(S)-1-dimethylamino ethyiferroene as raw materials to react with diphenyl phosphonium chloride under the effect of butyl lithium and then to carry out displacement reaction with diaryl phosphine alkane. The chiral diphosphite ligands respectively act with homotropilidene compositions of iridous chloride, tetrabutyl ammonium iodide and glacial acetic acid, and imine asymmetrical hydrogenization catalysts can be obtained. When the iridium-diphosphine catalysts are used for catalyzing 2-methyl-6-ethyl-N-methylene aniline (EMA-imine) hydrogenization reaction, (S)-N-(1-anisyl-2-propyl)-2-methyl-6- ethylaniline ((S)-NNA) can be obtained, and the antimer excessive value (ee) can reach 86.5 percent. The (S)-NNA and chloracetyl chloride carry out acylation reaction to obtain (S)-metolachlor with the ee value of 86 percent. Thereby, the ligands provided by the invneiton can be used for synthesizing chiral herbicidal chemicals of (S)-metolachlor.

The invention relates to a convergence chromatography analytical method for residue of herbicides in tobacco and particularly relates to a method for detecting herbicides such as napropamide, alachlor, quizalofop-p-ethyl, diphenamid, metolachlor and clomazone in tobacco by virtue of a UPC<2>. The convergence chromatography analytical method comprises the following steps: firstly, carrying out extraction and primary decontamination on the herbicides contained in tobacco by virtue of a QuRChERS method; secondly, carrying out solid phase extraction purification on an extracting solution by virtue of a Florisil column so as to further reduce the interference of matrixes to a to-be-detected target; thirdly, detecting the herbicides by virtue of an ultra-performance convergence chromatographic instrument, and carrying out quantitative analysis by virtue of an external standard method. According to the convergence chromatography analytical method, all target substances can be analyzed within five minutes by virtue of the ultra-performance convergence chromatographic instrument, and the dosage of an organic solvent is extremely low in the analysis process; the convergence chromatography analytical method has the advantages of high efficiency, sensitivity and environment friendliness.

The invention provides a cassava field herbicide composition which is a ternary herbicide composition with active components of halosulfuron, oxyfluorfen, and an amide herbicide. The composition comprises the components of, by weight: 1-9% of halosulfuron, 2-16% of oxyfluorfen, 24-75% of the amide herbicide, 7-42% of a solvent, and 7-27% of an auxiliary agent. The amide herbicide is one of butachlor, propisochlor, and fine metolachlor. The herbicide composition provided by the invention has significant synergetic effect and wide herbicidal spectrum, and has significant soil enclosing effect against broad leaf weeds, grass weeds, and cperaceae weeds. Especially, a soil enclosing effect against cyperi rhizome is significant. The composition has low harm to cassava, low toxicity, and low residue. With one-time dosage, weed harm of an entire duration period can be controlled.

The invention discloses a micro-capsule suspending agent containing butralin. The micro-capsule suspending agent comprises butralin or a compound of butralin and a second active component, and a capsule wall material, an initiating agent, an additive, a cosolvent and a solvent, wherein the butralin or the compound of butralin and the second active component serves as an active ingredient, and the capsule wall material, the initiating agent, the additive, the cosolvent and the solvent serve as the balance of the micro-capsule suspending agent. The second active component is randomly one of alachlor, metolachlor, acetochlor, pretilachlor, propisochlor or butachlor and the like. The micro-capsule suspending agent can be used for controlling annual and perennial weeds in sugarcane fields or corn fields and has the advantages of being long in duration, high in work efficiency, synergetic in effect, safe and environment-friendly and the like.

The invention relates to a herbicide composition containing cyhalofop-butyl and amides. The herbicide composition is mainly characterized by comprising the following materials in percentage by weight: 1 to 40 percent of cyhalofop-butyl serving as an active ingredient A, 5 to 50 percent of active ingredient B, auxiliary agents and other excipients, wherein the active ingredient B is selected from alachlor, acetochlor, butachlor, mefenacet, metolachlor and propisochlor; and the herbicide composition is prepared into wettable powder, suspension, water emulsion or microemulsion. The herbicide composition is used for preventing and controlling annual gramineous weeds in paddy fields.

The invention provides a crape myrtle nursery stock cottage cultivation method which comprises the steps that 1. the method is carried out on July and August in each year; 2. chemical weeding is forbidden in a scion collecting field, and nursery stock water permeating is carried out 20 days before dry scion collecting; 3. 25 cm-30 cm deep ploughing is carried out on a selected field parcel; 4. soil is subjected to disinfection; 5. column standing and shed building are carried out, and sunshade net covering is carried out for sun shading; 6. after a seedbed is subjected to complete watering, S-metolachlor is used for being sprayed to cover weeds; 7. annual half-lignification branches are selected for pruning; 8. too-tender tops of the branches are removed, 40 g of Guoguang naphthylacetic acid powder and 40 Kg of water are mixed to form a solution in a dissolution mode, and cutting slip soaking is carried out for 15-20 minutes; and 9. before cottage, water is sprayed to the seedbed for 3-4 times, the cottage depth is 1 / 3-1 / 2 of the cutting slip length. According to the method, crape myrtle seedlings cultivated in a cottage mode are high in survival rate, quick in growing, long in flowering phase and capable of being used as urban landscape trees for planting.

The present invention relates to herbicide composition of monosulfuron ester compound as well as its application, which is compounded with two-element or three-element from herbicide monosulfuron ester or its natrium salt (0.1 to 90 percent) as main active component, and other herbicide (0.1 to 85 percent) of ethyl carboxylic fluorine grass ether, Starane, thifensulfuron-methyl, tribenuron-methyl, 2,4D as well as its ramification, Prometrex prometryn, acetochlor, atrazine, triallate, metolachlor, bensulfuron-methyl or 2 armour 4 chlorin natrium etc., and the herbicide composition can be made into breast oil, wettable powder, soluble powder, water emulsion, microemulsion agent, aqua, suspending agent, microcapsule agent or water disperse particle agent by adding proper amount auxiliary agent and carrier accepted in agriculture. The composition can be used to prevent single and double cotyledon weed in wheat, corn and millet field.

The invention relates to weeding composition containing diflufenican, which comprises an active ingredient A, an active ingredient B, auxiliary agent and other excipients. The active ingredient A is diflufenican, and the active ingredient B is selected from one of the following compounds: fluoroglycofen-ethyl, dicamba or metolachlor. The weeding composition is mainly characterized in that: the weight percentage of the active ingredient A is 1 percent to 60 percent, and the weight percentage of active ingredient B is 1 percent to 80 percent; and the weeding composition can be made into wettable powder, water dispersion granule, suspending agent, suspension emulsion, water emulsion and micro emulsion, can be used for preventing weeds in soybean field, wheat field and corn field, and has the characteristics of less use of farm chemicals, less residue of farm chemical, good environment compatibility and safety to the human beings and animals.

The invention discloses a synergistic weeding composition, which is characterized in that the synergistic weeding composition is prepared by using glufosinate and s-metolachlor as active ingredients in a compound way, and the weight ratio of the glufosinate to s-metolachlor is (1-80): (1:80). The synergistic weeding composition has the advantages that the weeds on the ground can be killed, the weed seeds which are about to germinate can also be killed at the same time and the efficacy duration is long; the weeding spectrum is wide and the synergistic weeding composition can be widely used for weeding in dry lands; and the toxicity is low, the sensitization is weak, the toxicity to crops, human and livestock is low, the weeds can be safely removed under the situation that the crops are not damaged, the weeding synergistic effect is obvious and the generation speed of pesticide resisting capacity of the weeds is slowed down.

The invention discloses a micro-capsule suspension-suspending agent containing atrazine. The 100% of micro-capsule suspension-suspending agent comprises an active ingredient and the balance including a capsule wall material, an initiator, an auxiliary agent and a solvent, wherein the active ingredient is prepared by compounding the atrazine and an active ingredient II. The active ingredient II is one of alachlor, metolachlor, acetochlor, pretilachlor, propisochlor or butachlor. The micro-capsule suspension-suspending agent containing the atrazine is suitable for target crops including corns, sugarcanes, cotton, garlic, gingers, apples, bananas, citrus, hawthorns, peaches and the like, is used for preventing and controlling annual gramineous weeds, parts of broadleaf weeds and sedges, and has the advantages of being long in efficacy duration, high in work efficiency, good in synergistic effect, safe, environment-friendly and the like.

The invention discloses a gibberellic acid-containing herbicide composition and a preparation method as well as application thereof. The gibberellic acid-containing herbicide composition is prepared from the following components in parts by weight: 0.01 to 99 parts of gibberellic acid and 1 to 90 parts of herbicide; the herbicide is one or a mixture of at least two of cyhalofop-butyl, penoxsulam, metamifop, bispyribac-sodium, quinclorac, anilofos, pretilachlor, butachlor, mefenacet, bensulfuron methyl, pyrazosulfuron-ethyl, pyriminobac-methyl, bentazone, mesotrione, halosulfuron-methyl, metolachlor, pendimethalin, oxadiazon, oxadiargyl, MCPa, fluroxypyr and diflufenican. The gibberellic acid-containing herbicide composition has synergism to weed prevention and control, the weed control efficiency is improved, the safety of the herbicide to crops can be improved, the herbicide phytotoxicity problem in agricultural production is fundamentally solved, and meanwhile the crop yield is improved by adjusting crop growth.

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 a corn herbicide, which comprises flumetsulam and atrazine (b)W / ( / b)(b), wherein the (b)W is nicosulfuron, alachlor, acetochlor, butachlor, propisochlor, metolachlor, or s-metolachlor; the mass ratio of flumetsulam to atrazine to W is (1-10):(5-60):(2-60). Low dosage of the herbicide comprising atrazine, flumetsulam and nicosulfuron can achieve the control efficacy of grassy weed and broad-leaf weed respectively by 98.1% and 99.3%, as well as comprehensive control efficacy by 84.5%-99.9%. The prevention effects of the herbicide comprising atrazine, flumetsulam and nicosulfuron on grassy weed and broad-leaf weed are respectively 92.2% and 100%. Compared with the single agent, the corn herbicide has very obviously synergistic interaction, the weeding effect after corn closing and seedling can be obviously improved. The resistance of weeds can be postponed, the corn herbicide is wide in the herbicide controlling spectrum and long in lasting period, and has safety on the corn and afterreap crops.

The present invention relates to a novel method of synthesizing (S)-metolachlor, and discloses a complete synthesis route which adopts chiron. In the novel method, (D)-methyl lactate or (D)-ethyl lactate is used as a raw material and reacts with p-toluenesulfonyl chloride to generate (R)-2-(p-tolylsulfonyl oxyl) propionate; the (R)-2-(p-tolylsulfonyl oxyl) propionate reacts with 2-methyl-6-ethyl aniline to prepare S-(-)-N-(2-methyl-6-ethyl benzyl) alanine ester; the S-(-)-N-(2-methyl-6-ethyl benzyl) alanine ester reacts with a reducing agent C to prepare S-(-)-N- (1'-methyl-2'-ethylol)-2-methyl-6-ethyl aniline; and the S-(-)-N- (1'-methyl-2'-ethylol)-2-methyl-6-ethyl aniline is acylated with chloroacetic chloride and ultimately methylated to prepare the (S)-metolachlor. The present invention has the advantages that no resolution is required in the whole process, the reaction is mild, the yield rate is high, the optical purity is good, the reaction time is short, the raw materials are inexpensive and can be easily acquired, and the cost is low.

The invention relates to a high performance liquid chromatography-tandem mass spectrometry measuring method of three amide herbicides (i.e., alachlor, metolachlor and napropamide) in tobacco and tobacco products, which belongs to the technical filed of physical and chemical inspection of pesticide residue in the tobacco and tobacco products. The high performance liquid chromatography-tandem mass spectrometry measuring method is characterized by being the method which is used for directly extracting the pesticide residue by a substrate dispersion solid-phase extraction method to directly measure the pesticide residue in the tobacco and tobacco products by virtue of chromatography-tandem mass spectrometry. The high performance liquid chromatography-tandem mass spectrometry measuring method of three amide herbicides in tobacco and tobacco products disclosed by the invention can be used for overcoming the defects of the sample treatment method in the prior art, and optimizing the sample pre-treatment method and the apparatus detection condition for the tobacco sample. Moreover, compared with the prior art, the method disclosed by the invention has the excellent effects that the sample pre-treatment process of the method is simple and quick, capable of reducing the interferences of the impurities including pigment and the like in the tobacco, and provided with the advantages of being accurate to operate, high in flexibility and good in repeatability.

A herbicidal composition, the mass ratio of the active ingredients thionsulfuron-methyl and the refined metolachlor in the herbicidal composition is 1-50:50-1, and the active ingredients thionsulfuron-methyl and refined metolachlor in the preparation The total mass of amines in the formulation accounts for 1% to 80% of the mass of the entire formulation, and the rest are auxiliary components that are allowed to be used and accepted in pesticides. The formulations of the herbicidal composition are emulsifiable concentrate, suspension concentrate, wettable powder, water dispersion Granules, aqueous emulsions, microemulsions, granules, microcapsules. It is mainly used to control broad-leaved weeds, annual grass weeds and some dicotyledonous weeds in crops.

The invention discloses an asymmetric catalytic hydrogenation method of imine. Chiral amine is prepared through asymmetric hydrogenation of the imine through using a complex as a catalyst in the presence of an iodate or iodine under the co-action of an acid, wherein the complex is prepared through an in-situ reaction of {(R)-1-[(S)-2-di-phenyl-phosphino-ferrocene]}-propyl-di-(3,5-dimethyl-phenyl)phosphine and an iridium complex; and the proper molar ratio (s / c) of the raw material imine to the catalyst is 100-500000. The method has the advantages of easily available ligand, convenience of large-scale preparation, simple operation, and realization of continuous operation, is suitable for the large-scale preparation of the chiral amine, enables the e.e value of the chiral amine to be above 70%, completely satisfies requirements of a pesticide intermediate, is especially suitable for preparing chiral intermediates of a pesticide S-metolachlor, and has a very good industrial practicality.

The invention describes a herbicide, O, O-demethyl-1-(2, 4-dichlorophenoxy)ethylphosphate (HW02), processing stems and leaves as well as weeding combination, containing an active compound and a compound selected from the compounds: tribenuron, thifensulfuron, methsulfuron, chlorsulfuron, bensulfuron, isoproturon, fluroxypyr, quinclorac, mefenacet ,alachlor, aetochlor, butachlor and metolachlor. The herbicide and its combination are applied to effectively prevent and cure various weeds in dry land, especially cornfield and rice paddy as well as garden, tea garden and lawn. It also describes their preparation and weed processing method as well as application to processing stems and leaves.

The invention discloses a mixed herbicide comprising the following constituents: nicosulfuron 3-50%, S-metolachlor 10-77%, emulsifying agent 5-15%, and balancing dimethylbenzene. The invention can realize a prevention and curing effect of over 96%.

The invention relates to an ultralow-volume liquor containing amicarbazone. The ultralow-volume liquor consists of an active ingredient, an auxiliary agent and a dissolvent, wherein the active ingredient is amicarbazone, or complex combination of amicarbazone and an active ingredient II, and the active ingredient II is any one of nicosulfuron, metolachlor and acetochlor. An airplane, a tractor or an ultralow-volume atomizing machine is adopted for carrying out ultralow-volume atomization for preventing and controlling weeds in corn fields and sugarcane fields so as to solve the problems that in the existing weeding work in corn fields and sugarcane fields, the work of water fetching, dispensing and water loading are heavy and much physical labor is required to be wasted; and the ultralow-volume liquor containing amicarbazone has the advantages of simple production technology, high work efficiency and low weeding cost, and medicines are saved.

The invention relates to a herbicidal composition containing mesotrione and amides. The composition is mainly characterized in that: the herbicidal composition contains 1-60% of mesotrione, 1-60% of amides, auxiliary agents and Other excipients, amides are selected from: metolachlor, purified metolachlor, made into wettable powder, water dispersible granule, suspension concentrate, suspoemulsion, microemulsion, water emulsion. The herbicidal composition of the present invention is used for controlling weeds in corn fields and wheat fields.

The invention relates to a weed control composition for plant haulm treatment, which comprises compound an and compound b with the general formula (1) as active compositions, wherein b is selected from any of the following compounds, tribenuron-methyl, thifensulfuron methyl, metsulfuron-methyl, chlorsulfuron, bensulfuron-methyl, isoproturon, siduron, quinclorac, mefenacet,.alachlor, acetochlor, butachlor and metolachlor. The invention also discloses the preparation of the weed control composition, the method for weeds removing, and the use of the weed control composition as herbicide for haulm processing.

The invention discloses a compound herbicide containing mesotrione, s-metolachlor and atrazine containing and application of the compound herbicide. The herbicide takes the mesotrione, the s-metolachlor and the atrazine as main active ingredients, the mass ratio of the mesotrione, the s-metolachlor and the atrazine is (0.1-40): (0. 1-40): (0. 1-40), and the mass percent of the three ingredients in the herbicide is 1%-50%. The compound herbicide disclosed by the invention is applied to the postemergence weeding of corn fields, and particularly has a remarkable effect in prevention and extirpation of various grassy weeds and broadleaf weeds in the corn fields. Compared with a single herbicide, the compound herbicide disclosed by the invention delays weed resistance on the premise of improving efficacy, is wide in weed control spectrum and long in effect preserving period, and is reliable and safe to corns and succeeding crops.

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 provides a herbicide compounded from benthiazole clomazone and metolachlor, and relates to the technical field of production of herbicides. The herbicide is composed of effective components of benthiazole clomazone and metolachlor, and the dosage form of the herbicide is a suspension or a wettable powder. The herbicide composition comprises the following raw materials by weight: 1 to 15% parts of benthiazole clomazone, 1 to 50% of metolachlor, 2 to 25 parts of an additive, and 10 to 96% of a filler. The herbicide provided by the invention is a herbicide pesticide composition, shows highly-efficient and broad-spectrum weeding performance, is mainly applied in prevention and control of annual weeds in corn fields, and has no adverse influence on crops.

The invention discloses a special medicinal fertilizer for overwintering pisum sativum and a production method thereof. The production method of the special medicinal fertilizer is characterized by mixing and granulating urea, calcium superphosphate, Sugumi potassium, ammonium molybdate, borax and DMPP to obtain inner cores, pelletizing for two times, and coating with a coating agent, wherein the components pelletized for the first time comprise urea, monoammonium phosphate, Sugumi potassium, compound potassium nitrophenolate, the solution of tea saponin and nicotine, matrine, DMPP and a colloidal suspension, the components pelletized for the second time comprise urea, a calcium, magnesium and phosphate fertilizer, Sugumi potassium, a chelated salt of amino acid and trace elements, borax, DMPP and a colloidal suspension, and the components of the coating agent comprise imidacloprid, Dual metolachlor, a film forming agent, pearl powder, titanium dioxide and a dye. Through one-time coating, two-time granulating and three-time controlled-release material using, the effective period of urea can be prolonged to 170 days from 15 days or so. The special medicinal fertilizer disclosed by the invention has the effects of weeding, killing insects, promoting the growth of plants and increasing the fruit setting rate of plants.