173 results about "Tribenuron-methyl" patented technology

The invention discloses a flucarbazone-Na compounded herbicide which comprises an active component I (flucarbazone-Na), an active component II and auxiliary components, wherein the active component II is one or a combination of several of mesosulfuron methyl, isoproturon, chlortoluron, pyroxsulam, Clodinafop-propargyl, carfentrazone-ethyl, tribenuron-methyl, fluroxypyr, methoxone, 2,4-D-butyl ester, dicamba, bromoxynil, thifensulfuron methyl, amidosulfuron, bensulfuron-methyl, flumetsulam, fluoroglycofen-ethyl and florasulam; the auxiliary components comprise an auxiliary agent and also comprise one of a filler and a solvent; the auxiliary agent is one or a combination of two of an emulsifying agent, a dispersant, a wetting agent, a disintegrant, an agglomerant, an antifreezing agent and a thickening agent; the mass sum of the active component I (flucarbazone-Na) and the active component II is 1%-85% of the total mass of the flucarbazone-Na compounded herbicide; and the mass ratio of the active component I to the active component II is (1:20)-(20:1). The flucarbazone-Na compounded herbicide disclosed by the invention is a novel herbicide for preventing and removing weeds in a wheatland.

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 invention belongs to the field of agricultural herbicides, and in particular relates to a rice paddy herbicide containing a tribenuron-methyl and florasulam compounded composition. The invention aims to provide a compounded composition containing tribenuron-methyl and florasulam serving as active ingredients. By compounding, the prevention and control range is widened, the prevention and control effect is improved, and the pesticide consumption and agricultural cost are reduced. The technical scheme of the invention is that: in the compounded composition containing the tribenuron-methyl and the florasulam, the weight ratio of the tribenuron-methyl to the florasulam is 40:1-1:20; and the tribenuron-methyl and the florasulam account for 1 to 80 percent of the total weight of the compounded composition. The compounded composition has the advantages that: the synergism is achieved and the herbicide effect time is prolonged by compounding.

The invention relates to the field of pesticide preparations, and particularly relates to a wheat field weeding composition and a preparation of the wheat field weeding composition. The wheat field weeding composition comprises halauxifen-methyl and active components, wherein the active components are selected from clopyralid, 2-methyl-4-chlorine sodium, carfentrazone, dicamba, tribenuron-methyl, bensulfuron methyl or thifensulfuron methyl. The wheat field weeding composition is mixed to use, and has an obvious synergistic effect. According to the wheat field weeding composition and the preparation of the wheat field weeding composition, the overall control effect of wheat field weeds can be improved, the active components do not have antagonistic action, and the dosage is reduced.

The invention relates to a fermentation and preparation method of a composite microbial agent for degrading sulfonylurea herbicides in soil and water with high efficiency, and the composite microbial agent is fermented compositely by using bacillus benzoevorans ACCC 10244 and bacillus chitinivorous ACCC 10227 as bacterial sources. After fermentation, a carrier substance of alginic acid (in a form of micro-colloid in aqueous solutions), a electrolyte (potassium nitrate) and an antifreeze agent (glycerin) are added into the fermented bacterial liquid; the bacterial number ratio of bacillus benzoevorans ACCC 10244 and bacillus chitinivorous ACCC 10227 in the prepared bacterial agent is 1:1, and the bacterial number contents of both bacteria in the bacterial agent are up to above 1 billion / ml. The bacterial agent can degrade the followings with high efficiency: nicosulfuron, suifometuron-methyl, monosulfuron, bensulfuron-methyl, thifensulfuron-methyl, tribenuron-methyl, metsulfuron-methyl, chlorsulfuron, methyl sulfuron, etc.

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.

Disclosed herein are herbicidal compositions, characterized in that they comprise:A) an antidotically effective amount of one or more safeners from the group of the phosphorated esters of the formula (I):whereinT and T1 are independently selected from the group of hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl, and alkynyl;U is O or S, andV, W, X, Y, and Z are independently selected from the group of hydrogen, halogen, alkyl, haloalkyl, and alkoxy; andB) one or more sulfonamide or sulfonylurea herbicides selected from the group consisting of amidosulfuron, azimsulfuron, bensulfuron-methyl, chlorimuron-ethyl, chlorsulfuron, cinosulfuron, cyclosulfamuron, ethametsulfuron-methyl, ethoxysulfuron, flupyrsulfuron-methyl, flazasulfuron, foramsulfuron, halosulfuron-methyl, imazosulfuron, iodosulfuron-methyl, mesosulfuron-methyl, metsulfuron-methyl, nicosulfuron, oxasulfuron, primisulfuron-methyl, prosulfuron, thifensulfuron-methyl, tribenuron-methyl, trifloxysulfuron, triflusulfuron-methyl, triosulfuron, cloransulam-methyl, diclosulam, florasulam, flumetsulam, metosulam, penoxsulam, and combinations thereof, and methods for using the same.

The invention provides a herbicidal composition comprising a mixture of: (a) polymeric microparticles containing a first herbicide, wherein the first herbicide is a synthetic auxin herbicide (e.g. dicamba, MCPA or 2,4-D) or an acetolactate synthase (ALS) inhibitor herbicide (e.g. triasulfuron, tribenuron-methyl, iodosulfuron-methyl, mesosulfuron-methyl, sulfosulfuron, flupyrsulfuron-methyl, or pyroxsulam); wherein the first herbicide, when in a salt-free form and when not contained within polymeric microparticles, antagonises the herbicidal activity of pinoxaden; and (b) pinoxaden; wherein the polymeric microparticles are controlled-release matrices, within which is the first herbicide, and which function in such a way as to control and / or slow down the release of the first herbicide from the polymeric microparticles into a liquid (e.g. aqueous) medium when the polymeric microparticles are placed (e.g. dispersed) in and in contact with the liquid medium. The containing of the first herbicide within the controlled-release polymeric microparticles is thought to mitigate the antagonism of the grass-weed-herbicidal activity of pinoxaden which might otherwise be caused by the first herbicide depending on the circumstances. The invention also provides a method of reducing the antagonistic effect on the control of monocotyledonous weeds in non-oat cereals which is shown by a herbicidal mixture of either a synthetic auxin herbicide with pinoxadenor an ALS inhibitor herbicide with pinoxaden, which comprises applying a herbicidal composition according to the invention. The invention also provides a herbicidal composition comprising (a) polymeric microparticles (e.g. controlled-release matrices), containing a first herbicide as defined above, and either (x) a nonionic surfactant or (y) a surface-modified clay, as defined herein.

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 herbicide composition for preventing and killing off farmland weeds and application thereof, and in particular relates to a herbicide for preventing and controlling broadleaf weeds in the wheatfield. The herbicide composition is a triplet herbicide mixture consisting of carfentrazone-ethyl serving as a first active ingredient, tribenuron-methyl or thifensulfuron-methyl serving as a second active ingredient and fluroxypyr serving as a third active ingredient. The weight ratio of the first active ingredient to the second active ingredient to the third active ingredient in the composition is (1-16) to (2-32) to (8-128), and preferably (1-10) to (2-10) to (10-30); and the composition can be prepared into agriculturally allowable formulations such as wettable powder, water dispersible granules and dispersible oil suspending agents in practical application. The composition has the advantages of expanding the weed prevention and control spectrum, reducing the herbicide application frequency, reducing the prevention and control cost, slowing down the production of herbicide resistance of the weeds and meeting the requirement on safety of pesticide formulations, along with reasonable components, good weed control effect and high crop safety.

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.

A herbicide is prepared from one of tribenuron-methyl, triasulfuron and bensulfuron-methyl, and fluoroglycofen-ethyl (1-50 wt.%) in ratio of 1:(0.625-2) through mixing. Its advantages are broad spectrum, low dosage, no environmental pollution, and high effect.

The invention discloses a method for preparing tribenuron-methyl, which comprises the following steps: ortho carbomethoxyl group benzene sulfonamide and ethyl chloroformate are reacted in a solvent, filtered and dried to obtain an ortho carbomethoxyl group benzene sulfonamide ethyl formate solid, the ortho carbomethoxyl group benzene sulfonamide ethyl formate solid is dissolved in the solvent, a 2-methylamino-4-methoxy-6-methyl-s-triazine solution is added drop by drop, stirred and heated, and reacted to obtain the tribenuron-methyl, wherein the purity is greater than or equal to 95%. According to the invention, ethyl chloroformate is used as an amide agent, the reaction temperature can be controlled by ice bath, and the speed for adding ethyl chloroformate drop by drop can be controlled, thereby the ethyl chloroformate is reacted with ortho carbomethoxyl group benzene sulfonamide in the solvent to obtain the ortho carbomethoxyl group benzene sulfonamide ethyl formate, and then reacted with s-triazine to obtain tribenuron-methyl. The present invention adopts ethyl chloroformate as a raw material, compared with phosgene, triphosgene and oxalyl chloride, and the method for preparing the tribenuron-methyl has the advantages of simple operation, high production security, low cost and less generation amount of three wastes.

The invention discloses a composition for controlling cornfield broad-leaved weed and is characterized in that the composition comprises active ingredient A and B, wherein the active ingredient A is 4-chloro-2-oxidbenzothiazole-3-ylacetate and the active ingredient B is one of or a plurality of tribenuron-methyl, thifensulfuron-methyl, bensulfuron-methyl, monosulfuron, monosulfuron-ester and the like.The composition provided in the invention has a broad weed-killing range, has a high activity to broad-leaved weed which is hard to control, and can effectively control broad-leaved weeds such as sticky willie, starwort, crickweed, descurainia, shepherd's-purse, vetch, lamium, corn gromwell, conical silene herb, pennsylvania bittercress herb, queshecao, fallopia convolvulus, brooklime, chorispora tenella, silene conoidea, pigweed, armstrong, xanthium sibiricum and the like.The composition also has advantages of safety to wheat, low toxicity, low residual, wide pot life and the like.Furthermore, the composition reduces employ dosage of each active compound, reduces the cost, enhancing the security of succession crop and has favorable economic effectiveness and ecological benefit.

The invention relates to a weed killing composition containing pyraflufen ethyl and sulfonylurea compounds. The composition is mainly characterized in that the pesticide composition contains 1-60% of effective ingredient A, 1-80% of effective ingredient B and the balance of auxiliaries. The effective ingredient A is pyraflufen ethyl, and the effective ingredient B is selected from tribenuron-methyl or thifensulfuron methyl. The composition can be prepared into wettable powder, water dispersible granules, microemulsions, emulsions in water, oil suspensions and suspending emulsions. The pesticide composition provided by the invention can be used for controlling weeds in wheat fields and corn fields.

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 weeding composition for oat fields and a preparation and application method of the weeding composition. The composition comprises the active ingredients as follows: agroxone, bromoxynil and tribenuron-methyl, and the mass ratio of agroxone, bromoxynil and tribenuron-methyl is 1:1: (0.02-0.06). When in use, the composition is soluble in water, is used for stalk and leaf spraying during the 2-3 leaf stages of oat seedlings, can effectively prevent and control broad-leafed weeds in the oat fields, has special effects on chenopodium album and salsola collina, and has the characteristics of strong selectivity, high prevention effect, good security and few residues.

The invention relates to a rape multiple ALS (acetolactate synthase) inhibitor type herbicide-resistant gene based on in-vitro site-specific mutagenesis and application, and belongs to the technical field of biology. The gene mALS3 is obtained by introducing a new mutant site into the ALS3 gene sequence of the herbicide-resistant rape M342, and the site is positioned at the 560th site of the ALS3 gene; the original gene is alanine with a C alkaline group at the 187th site, the C alkaline group is mutated into a T alkaline group, and valine is formed at the 187th site. The rape mALS3 gene with double mutation sites A187V and W556L is obtained through an in-vitro site-specific mutation technique. The double mutation sites are not reported in the literatures of the rape genome. After preliminary functional verification of transgenic arabidopsis, the rape mALS3 gene with double mutation sites has the advantages that the obvious resistance on multiple ALS inhibitor herbicides, such as imidazolamide, tribenuron-methyl, difluorosulfonamide and bispyribac-sodium, is realized; the resistance gene can be used for the culturing of herbicide-resistant crops.

The invention discloses a herbicide composition. The herbicide composition is characterized by comprising the components in parts by weight: 5-10 parts of carfentrazone, 10-20 parts of dicamba, 5-8 parts of tribenuron-methyl, 1.5-2 parts of surfactants, 10-20 parts of szimetrin, 10-20 parts of penoxsulam, 10-15 parts of amyl trazodone and 5,000 parts of water. The herbicide composition has the advantages that the herbicide composition has significant effect on weeding and obvious synergistic effect, and is wide in weeding range and safe for crops.

The invention provides a new process for preparing tribenuron-methyl. The process comprises the following steps of: performing first reaction in a solvent with a catalyst by using methyl o-sulphamoylbenzoate and solid phosgene, and continuously performing second reaction on the reaction product and methyl triazine to generate the tribenuron-methyl. The process is characterized in that: a one-pot method and a single dimethyl benzene solvent are adopted. By the process, the reaction device is simplified, the reaction time is shortened, the consumption of energy is reduced, and the total yield of the product reaches over 80 percent.

The present invention relates to the use of a herbicide-tolerant protein, wherein the method for controlling weeds comprises applying a herbicide containing an effective dose of tribenuron-methyl to a plant growth environment where at least one transgenic plant is present, wherein the transgenic plant comprises a nucleotide sequence encoding a thifensulfuron hydrolase in its genome, and compared to other plants without the nucleotide sequence encoding the hydrolase, the transgenic plant has reduced plant damage and / or an increased plant yield. The present invention discloses for the first time that a thifensulfuron hydrolase can show a high tolerance to a tribenuron-methyl herbicide, plants containing a nucleotide sequence encoding the thifensulfuron hydrolase are strongly tolerant to the tribenuron-methyl herbicide and can at least tolerate 1-fold field concentration, and thus the hydrolase has broad application prospects in plants.

The invention discloses a cotton top cutting agent and a preparation method thereof. The cotton top cutting agent comprises, by weight, 0.2-0.6 part of tribenuron-methyl, 28-32 parts of butralin, 7-15parts of flumetralin, 8-13 parts of an emulsifier, 5 to 11 parts of dimethylformamide and 30 to 45 parts of a xylene solvent. The cotton top cutting agent has simple preparation and low production cost. After the cotton top cutting agent is diluted, the cotton top cutting agent is sprayed on cotton leaf surface by a mechanical or manual means, the need of manual cotton top cutting can be eliminated, the top cutting effect can be achieved only by one-time application, and the cotton top cutting agent has high top cutting efficiency and high timeliness. At the same time, the degree of mechanization is improved, and the cotton planting cost and the labor intensity of cotton farmers are greatly reduced. In addition, after using the cotton top cutting agent, the average yield per mu is significantly higher than that of manual top cutting, the quality of cotton is high, the effects of saving time, labor saving, saving money, saving effort and increasing production can be achieved, the cotton top cutting agent can replace artificial cotton top cutting and facilitates promotion and use.

The invention discloses a synergistic weedicide composition containing clodinafop-propargyl and tribenuron-methyl and a preparation method thereof and relates to a composition for preventing and controlling weeds in wheat paddocks. The synergistic weedicide composition comprises clodinafop-propargyl, tribenuron-methyl and additives. By mixing the clodinafop-propargyl and the tribenuron-methyl, the invention keeps the advantages of broad weeding spectrum and good control effect on weeds of the clodinafop-propargyl and the tribenuron-methyl, overcomes the existing disadvantages, reduces the poison to other living things, enhances the quick action, extends the lasting period, broadens the weeding spectrum and reduces the cost. The composition is different from other existing weedicides and can defer the generation of weedicide resistance. In addition, the composition has a small residual quantity which ensures the environmental safety, so that goals of increasing agricultural yields and revenues and ensuring safe production of food are achieved. The synergistic weedicide composition is a comparatively ideal agricultural chemical for preventing and controlling weeds in wheat paddocks.

The invention discloses herbicide special for wheat and a preparation method of the herbicide. The herbicide is prepared from ethylene oxide, chlorimuron-methyl, metsulfuron-methyl, tribenuron-methyl, sodium polyacrylate, diuron, isopropyl N-(3-chlorophenyl)carbamate, fluazifop-butyl, fluorine cyanide, paraquat, kaolin, a surface active agent, fungicide, a herba leonuri extraction solution, a rhizoma pinelliae extraction solution, rhizoma atractylodis macrocephalae leach liquor, Chinese yam leach liquor, radix scrophulariae leach liquor, licorice root leach liquor, radix saposhnikoviae leach liquor, radix astragali leach liquor, radix bupleuri leach liquor, radix salviae miltiorrhizae leach liquor, rhizoma anemarrhenae leach liquor, carbonate, tripterygium wilfordii and radix stemonae. The raw materials are reasonable in matching and easy to obtain and are all harmless non-chemical components, the herbicide is pure natural and free of pollution, can prevent and treat various types of weeds, and is good in weeding effect, wide in weeding spectrum, free of harms to the environment and humans and suitable for being applied and popularized, cost is low, and thus the herbicide does not influence plantation of organic food and is good in absorption and convenient to use and popularize.

The invention belongs to the technical field of crop marker-assisted breeding, and more specifically relates to a chemical emasculation seed production method by using herbicide-resistant gene rape. The method is characterized by comprising a step for culturing a male parent material of a tolerance chemical male gametocide and a chemical emasculation step without shielding. According to the invention, a chemical mutagen is used for mutagenesis of cabbage-type rape seeds, a herbicide tribenuron methyl is sprayed at 5-6 leaf stage, a mutant material for herbicide resistance is primarily obtained, selfing is carried out so that herbicide-resistant mutant strain with stable heredity is obtained, a rape mutant strain genome DNA is extracted, BnaAHAS1 and BnaAHAS3 gene fragments can be obtained through amplification, wherein a nucleotide sequence of a BnaAHAS3 gene fragment is shown in SEQ ID NO: 1, and a C / T mutation is existed on a 536bp site of the gene BnaAHAS3. The invention also discloses a preparation method of an herbicide-resistant specific marker, and an application in shield-free chemical emasculation seed production.