170 results about "Clomazone" patented technology

Disclosed is a herbicidal mixture comprising (a) at least one herbicide compound selected from the pyrimidines of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof:

wherein

• • R¹ is cyclopropyl, 4-Br-phenyl or 4-Cl-phenyl;
  • X is Cl or Br;
  • R² is H, C₁-C₁₄ alkyl, C₂-C₁₄ alkoxyalkyl, C₃-C₁₄ alkoxyalkoxyalkyl, C₂-C₁₄ hydroxyalkyl or benzyl; and
  • (b) at least one additional herbicide or herbicide safener compound selected from the group consisting of (b1) ACCase inhibitors, (b2) AHAS inhibitors, (b3) photosystem II inhibitors, (b4) photosystem I electron diverters, (b5) PPO inhibitors, (b6) EPSP synthase inhibitors, (b7) GS inhibitors, (b8) VLCFA inhibitors, (b9) auxin mimics, (b10) auxin transport inhibitors, (b11) other herbicides selected from the group consisting of flamprop-M-methyl, flamprop-M-isopropyl, difenzoquat, DSMA, MSMA, bromobutide, flurenol, cinmethylin, cumyluron, dazomet, dymron, methyldymron, etobenzanid, fosamine-ammonium, isoxaflutole, asulam, clomazone, mesotrione, metam, oxaziclomefone, oleic acid, pelargonic acid and pyributicarb, (b12) herbicide safeners selected from the group consisting of benoxacor, 1-bromo-4-[(chloromethyl)sulfonyl]benzene, cloquintocet-mexyl, cyometrinil, dichlormid, 2-(dichloromethyl)-2-methyl-1,3-dioxolane, fenchlorazole-ethyl, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen-ethyl, mefenpyr-diethyl, methoxyphenone, naphthalic anhydride and oxabetrinil, and their salts. Also disclosed is a method for controlling the growth of undesired vegetation comprising contacting the vegetation or its environment with a herbicidally effective amount of a mixture of the invention (e.g., as a composition described herein).

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.

Clomazone safens rice from the slight amounts of damage caused by penoxsulam at concentrations required to adequately control undesirable vegetation.

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 present invention relates to protection of plants from unintended phytotoxic injury due to application of a herbicide to reduce competition for the plant of interest. A preferred herbicide used in the context of the present invention is clomazone. The unintended phytotoxic injury is avoided by application of a safening-effective amount of one or more of the compounds described by formula (I) wherein T and T¹ are independently selected from the group of hydrogen, alkyl haloalkyl alkoxyalkyl, alkenyl and alkynyl; U is oxygen or sulfur, and; V, W, X, Y, and Z are independently selected from the group of hydrogen, halogen, alkyl, haloalkyl, and alkoxy. The present invention is preferably used for growing corn, wheat, and cotton in the presence of the otherwise phytoxic effects of clomazone, for example.

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 relates to pesticide, which in detail is a mixed herbicide with Pdibutalin, Pendimethalin and Imazethapyr. It is characterized in that it takes effective component of Pdibutalin, Pendimethalin and Imazethapyr to prepare mixed herbicide, adds proper amount of carrying agent or adjuvant to produce powder agent, wettable powder, water suspending agent, suspoemulsion microcapsules, missible oil, particle, soluble granule, dispersing granule and etc. The advantages of said herbicide are that it solves problem of no herbicide for dry rice field and enlarges weed removing range, it can control forage grass, perennial broadleaf weed and cyperus weed in the dry rice field, the herbicide consumption is dramatically reduced, and it is safe for crops in the field and the second stubble crops.

The present invention is directed to micro-encapsulated formulations of soil-active pest control and agricultural chemicals such as herbicides, insecticides, nematicides and fungicides (pesticides) that combine a strong initial activity and a longer residual activity in the soil than provided by current micro-encapsulated formulations. These formulations are prepared by combining two separate suspensions of microcapsules, containing one or more pesticides, which were separately prepared under differing conditions and therefore have significantly different chemical properties and field release rates. The present invention, in particular, is useful for the herbicide clomazone, alone or in combination with other herbicides.

The invention relates to a preparation method of clomazone, wherein an intermediate, 4,4-dimethylisoxazole-3-one, is synthesized by dropwise adding chloro-pivaloyl chloride to a raw material, hydroxylamine hydrochloride, under the effects of a self-made ether catalyst; and then the intermediate is condensed with o-chlorobenzyl chloride under the effects of a caustic soda flake catalyst to synthesize a raw drug of the clomazone. The preparation method uses easy-to-obtained raw materials and mild reactions, is high in yield and is simple in separation and purification, has low cost, is environment-friendly, and has great industrial application prospect.

The invention discloses a microcapsul water suspension agent of herbicide clomazone and preparation method thereof. The slow-release microcapsule water suspension agent uses the clomazone as core material by complex coacervation method and uses the sodium cellulose glycolate, gelatin and arabic gum as wall material with particle diameter of 0.1-10micron. The capsule wall material is non-poisonous and biological degradable. The microcapsule water suspension agent has features of high stabilization, slow-release of effective component, deviation prevention, super efficiency, low toxicity, economy, safety. The microcapsule can be widely used for preventing and controlling the broad leaved weed and gramineous weed in crops field such as soya, cassava, corn, rape, sugar cane and tobacco.

The invention relates to the field of researches on clomazone, and particularly discloses a method for producing clomazone. In the method for producing the clomazone, a clomazone crude product prepared by a 3-chloropivaloyl chloride method is adopted as a raw material. The method is characterized in that: the raw material crude product is introduced into two to three cooling crystallizers which are connected in series; circulating pumps are arranged on the cooling crystallizers; and the cooling crystallizers adopt cooling water and cooling brine as coolants respectively. In the method, a plurality of crystallizers with a grading function are connected in series for operations, crystalline particles are graded for many times, and the product has high purity; and the method is favorable for subsequent clients with high requirements.

The invention discloses an achromobacter xylosoxidans and the application thereof in the degradation of clomazone. The achromobacter xylosoxidans is achromobacter xylosoxidans CGMCC No. 2773. The bacterial strain can grow in the environment of high concentration clomazone, and can degrade the clomazone with high efficiency, so as to provide important foundation for the study of micro-biological degradation of residual weedicide clomazone, thus being applied to biological purification of the water body and soil which are polluted by the clomazone.

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.

A weed herbicide is prepared by the following raw materials by weight parts: 9.5 % of fomesafen, 2.5 % of quizalofop p ethyl, 23 % of clomazone, 42 % of 1,1'-dimethyl 4,4'-dichloro bipyridine, and 40 % of glyphosin. The weed herbicide can control various annual weeds, is strong in killing effect on perennial weeds, while underground stems and roots of the perennial weeds can sprout new branches, and has no influence on lignified brown stems and trunks. The weed herbicide is suitable for controlling weeds in orchards, mulberry gardens, rubber plantations and forests, as well as weeds at non-cultivated lands, ridges and road sides, and can control weeds for corns, sugarcanes, soybeans, nursery gardens and other wide-row crops by directed sprays. The weed herbicide can be further used as an auxiliary medicament used after a defoliant for machine harvested crops. For an ideal defoliating effect is not achieved when a harvesting stage is approaching after the crops are applied with the defoliant, the weed herbicide can be used to rapidly kill green tissues of the crops, dehydrate and dry the green tissues, and do not influence short-period stacking and transporting of the harvested fruits after a mechanical harvesting.

The invention discloses a penoxsulam-clomazone pesticide composition. The penoxsulam-clomazone pesticide composition comprises a common auxiliary agent, penoxsulam and clomazone, wherein the mass ratio of the penoxsulam to the clomazone is 20:1-1:30, preferably 10:1-1:20. After the penoxsulam is compounded with the clomazone, the synergistic effect is obvious, the dosage of the pesticide composition is obviously less than that of single use of the component, and the penoxsulam-clomazone pesticide composition is applicable to controlling annual weeds in dry-land raised rice seedling field.

The invention relates to a weeding composition containing bispyribac-sodium. The composition is mainly characterized by containing 1 to 50 percent of bispyribac-sodium serving as an active ingredient A, 1 to 70 percent of active ingredient B, auxiliary agent and other excipient, wherein the active ingredient B is selected from prometryn, clomazone or oxadiazon; and the weeding composition can be prepared into wettable powder, water dispersible granules, suspending agent, emulsion, micro emulsion or emulsion in water. The weeding composition is used for preventing and controlling weed in paddy fields.

The invention provides a mixed herbicide, comprising the effective components of bensulfuron, clomazone, pretilachlor with a weight ratio of 1-2:0.5-16:0.5-30. The mixed herbicide has safener fenclorim (CGA123407) with the weight ratio of pretilachlor: safener = 2-4:1. The mixed herbicide also has pesticide science acceptable accessory material such as dispersant, humectant, surfactant and carrier. The dosage form of the mixed herbicide is pesticide science acceptable form such as wettable powder, missible oil, water-dispersing granules preparation, suspending agent, micro emulsion aqua. The mixed herbicide has a good effect to the graminaceous weed, broad-leaf weed and sedge.

An herbicidal composition containing from 1 to 4 pounds of clomazone per gallon of formulation and having a clomazone volatility less than fifty percent of that of an emulsifiable concentrate containing four pounds of clomazone per gallon of formulation is prepared by the interfacial reaction of polymethylene polyphenyl isocyanate with a polyfunctional amine selected from ethylenediamine, diethylenetriamine, triethylenetetramine, 1,6-hexanediamine, and their mixtures in an aqueous phase optionally containing from 0.05 to 0.25 weight percent of a xanthan gum viscosity modified/stabilizer. Several such formulations and the method of their preparation are described.

The invention discloses a weeding composition containing pretilachlor and clomazone for lotus root field. The composition comprises two active ingredients and the balance of pesticide adjuvants and carriers, wherein the two active ingredients are pretilachlor and clomazone respectively; the ratio of pretilachlor to clomazone is (1-50): 1; the weight of the two active ingredients accounts for 10%-50% of the total weight of the composition. The composition is prepared into emulsified oil, emulsifiable powder or fine granules.

The invention discloses herbicide for a rice field. The herbicide comprises 31 to 60 mass percent of an active ingredient, 11 to 19 mass percent of auxiliary and a carrier, wherein the active ingredient consists of 1 to 5 mass parts of isoproturon, 8 to 25 mass parts of clomazone and 8 to 30 mass parts of halosulfuron-methyl. The herbicide is safe for the germination and seedling emergence of rice, free of influence on the growth of seedlings and long in lasting time, has good prevention and control effects on resistant barnyard grass, resistant moleplant seeds, digitaria sanguinalis, setaria lutescens, nutgrass flatsedge, monochoria vaginalis and the like, and is an excellent herbicide for preventing and controlling annual grassy weeds, broadleaf weeds and nutgrass flatsedge in a direct-sowing rice field.

The invention relates to the field of herbicides, and in particular discloses a suspension emulsion containing clomazone and propanil. The suspension emulsion containing the clomazone and the propanil is characterized by being prepared from a clomazone technical material, a propanil technical material, a surfactant, a functional auxiliary, a solvent and water according to a certain weight ratio. The suspension emulsion is easy to prepare, and a system is stable; an obtained suspension emulsion is mainly used for preventing and treating gramineous weeds such as field weeds as well as part of broad-leaf weeds of crops such as paddy rice; compared with the conventional emulsion of the same type, the suspension emulsion guarantees the medicinal effect, reduces the using amount of an organic solvent, and improves the environment safety.

The invention belongs to the field of agricultural chemicals and in particular relates to a paddy field synergistic weeding composition. The paddy field synergistic weeding composition is characterized by comprising the following active ingredients in percentage by weight: 5-40 percent of oxadiazon or 0.5-20 percent of oxadiargyl, 5-30 percent of pretilachlor or butachlor and 2-30 percent of clomazone. According to the composition, the weeding effect can be improved, the herbicide controlling spectrum is widened, the composition is low in toxicity and small in residual, and the pesticide hazard on rice is reduced. Moreover, the dosage, the administration frequency and the use cost are obviously reduced, the effect of the composition is obviously higher than that of each single-dose agent, and the paddy field synergistic weeding composition is suitable for controlling and eliminating of annual and perennial weeds in paddy fields.

The invention discloses a compound herbicidal composition. The compound herbicidal composition includes three effective components, namely tembotrions, clomazone and isoproturon, in the mass ratio of (0.4-1.0):(1-4):(1-10), and the sum of the mass ratios of the three effective components in the composition is 1-60%. The herbicidal composition is suitable for controlling the majority of grassy weeds and broadleaf weeds in a paddy field, especially has a good control effect on leerisia orygoides, the lasting period is long, the use is convenient, and the compound herbicidal composition has no harm to rice.

The invention relates to a combined weed control formulation containing quizalofop-p-ethyl, fomesafen and clomazone and a preparation method thereof. The preparation method comprises the following steps: adopting an emulsifiable solution formulation, in which the total weight of the quizalofop-p-ethyl, the fomesafen and the clomazone is 18 percent; and the fomesafen is mixed with organic amine in advance to form salts according to the proportion of 1:5-5:1 by percentage by weight, so that the salts can be dissolved in vegetable oil or derivatives of the vegetable oil; and mixing the salts with the quizalofop-p-ethyl and the clomazone, adding 1 to 3 weight percent of isobutyl alcohol and 5 to 10 weight percent of emulsifier into the mixture to give the emulsifiable solution with transparent and uniform state, and taking the balance as the vegetable oil or the derivatives of the vegetable oil of a solvent. Compared with the prior art, the combined weed control formulation has the advantages that the reaction of raw medicines of diphenyl ether substances such as the fomesafen, and the like and the organic amine is performed to generate amine salts in advance, so that the amine salts can be dissolved in an environment-friendly vegetable oil solvent to realize the abandon of the prior solvent which is harmful to the environment and represented by DMF.