42 results about "Simazine" patented technology

The present invention provides a stable complex microbial system, which simultaneously decomposes a plurality of organic contaminants even under a polluted environment with these contaminants and permits more effective decomposition of persistent organic contaminants such as PCNB and simazine. A support for holding a complexed enrichment of degrading bacteria, which contains a porous material provided as a support on which degrading bacteria A capable of degrading at least one organic contaminant and degrading bacteria B capable of degrading another organic contaminant are enriched, is produced.

The degrading bacteria A may be a PCNB-degrading bacteria, particularly degrading bacteria containing degrading bacteria having part or all of the bacteriological characteristics of Nocardioides sp. PD653 and the degrading bacteria B may be degrading bacteria containing degrading bacteria having part or all of the bacteriological characteristics of β-Proteobacteria CDB21.

The invention discloses a method for simultaneously determining multiple plant growth regulators in exported vegetables. The method comprises the following steps: extraction, purification, concentration, ultrahigh-performance liquid chromatography-triple quadrupole/composite linear ion hydrazine mass spectrometer (UHPLC-QTRAP) determination and the like. The method can simultaneously determine the 17 plant growth regulators, including gibberellin, indolyl-3-butyric acid, p-chlorophenoxyacetic acid, abamectin, diethyl aminoethyl hexanoate, atrazine, simazine, 6-benzyl aminopurine, 2,4-dichlorphenoxyacetic acid, forchlorfenuron, mepiquat chloride, chlormequat chloride, paclobutrazol, uniconazole, abscisic acid, thidiazuron and p-fluorophenoxyacetic acid. The method disclosed by the invention has the advantages of simple steps, short time consumption, high accuracy and high precision.

The invention discloses a weeding combination containing hexazinone. The active ingredients of the combination adopt the mixture of hexazinone and an arbitrary component selected from ametrex, atrazine, simazine or cyanazine; the weight percentage of hexazinone is 1 to 70 percent, and the weight percentage of ametrex, atrazine, simazine or cyanazine is 3 to 80 percent; and the weight ratio of hexazinone to ametrex, atrazine, simazine or cyanazine is 1:20 to 20:1. The weeding combination is used for preventing and controlling weeds of orchards, forests, sugarcane fields or waste lands, compared with the single formulation, the preventing and controlling effect of the weeding combination is obviously improved, the application amount of pesticide can be reduced, so that the pesticide application cost is reduced, and the adverse effect on the environment by pesticide is reduced; and the service life of each single formulation can be prolonged, the use spectrum is enlarged, and the weeding combination has great significance to the overall management of vital hardiness problem of pesticide.

The herbicide composition contains symmetrical triazine herbicide atrazine, simazine or propazine; amide herbicide acetachlor, butachlor, propisochlor or metoachlor; and paraquat in the ratio of 1-10 to 1-10 to 1. The herbicide composition may be compounded into water suspension, wettable powder, oil suspension, dry suspension, water dispersed granulated preparation, granulated preparation or tablet. The herbicide composition may be used directionally in preemergence or postemergence stage in corn field, sugar cane field, etc.

The invention relates to the technical field of solid phase extraction, and particularly discloses a prometryn molecular imprinting solid phase extraction column and an application method thereof. With prometryn as a template, methacrylic acid as a functional monomer, glycol dimethyl methacrylate as a cross-linking agent, azodiisobutyronitrile as an initiating agent, dichloromethane as a solvent, a precipitation polymerization method is adopted to prepare prometryn molecular imprintingpolymeric microsphere; microballoons are uniformly filled in the solid phase extraction column, thus obtaining the prometryn molecular imprinting solid phase extraction column; dichloromethane is utilized as, residuals of simazine, atrazine, szimetrin, propazine, ametryn, terbuthylazine, prometryn and terbutryn in a grain sample are simultaneously enriched and purified by taking a sample solvent and dichloromethane-acetonitrile as a leaching solvent and taking methyl alcohol-water as an eluting solvent, when used together with a capillary electrophoresis multiresidue detection method, the prometryn molecular imprinting solid phase extraction column can simultaneously detect the residuals of the eight herbicideds.

The invention discloses a rapid on-site detection method for trichlorfon and simazine in seawater. The method comprises the following steps: (1) synthesizing gold nanorods by a seeding method; (2) adding L-cysteine to a gold nanorod solution to obtain an L-cysteine -modified gold nanorod material; (3) hydrothermally synthesizing gold nanospheres; (4) adding p-aminothiophenol to gold nanospheres toobtain a p-aminothiophenol-modified gold nanosphere composite; (5) mixing the L-cysteine -modified gold nanorod material with the p-aminothiophenol-modified gold nanosphere composite to obtain a goldnanorod and gold nanosphere composite as a SERS active substrate by peptide bonding; and (6) detecting the trichlorfon and the simazine by a Raman spectrometer to achieve qualitative and quantitativeanalysis of the trichlorfon and the simazine in the seawater. The rapid on-site detection method has the characteristics such as rapid analysis, high sensitivity, small sample consumption, wide application range, simple operation and convenient carrying.

The invention discloses a tree growth promoting fertilizer, a preparation method and a sprinkling device. The tree growth promoting fertilizer comprises the following components in parts by weight: 30-40 parts of straw powder, 20-30 parts of wild plant powder, 1-3 parts of kinetin, 0.5-1 part of chloroethanol, 1-5 parts of ethephon, 0.5-1 part of chlormequat, 1-3 parts of 6-benzylaminopurine, 1-3 parts of paclobutrazol, 1-3 parts of triiodobenzoic acid, 1-3 parts of uniconazole, 1-1.5 parts of indolebutyric acid, 1-1.5 parts of naphthylacetic acid, 1-5 parts of p-chlorophenoxyacetic acid, 1-5 parts of simazine and 40-50 parts of black soil powder. The tree growth promoting fertilizer is used for promoting tree growth.

The invention provides a method for detecting the residual quantity of simazine in a farmland environment based on gas chromatography-mass spectrometrometry. The method comprises the following steps:1, extracting the simazine from a farmland environment sample to obtain a sample to be purified; 2, purifying the sample to be purified to obtain a sample to be detected; and 3, carrying out gas chromatography-mass spectrometrometry on the sample to be detected, and carrying out qualitative analysis and quantitative analysis on the simazine in the sample to complete the detection of the residual quantity of the simazine in the environment sample. The lowest detection limit of the detection method reaches 0.01 mg/kg, and the established detection method is simple, accurate and highly sensitive,and completely meets needs of the detection of the simazine in animal manure, soil, farmland irrigation water and other farmland environment samples.

The invention discloses a highly efficient composite bactericidal algaecide and a preparation method thereof, which can solve the problem that the existing biocide has poor application result. The invention adopts the following technical proposal: the bactericidal algaecide consists of the following components by weight: 20-50 percent of quaternary ammonium salt, 20-50 percent of thiazolinone, 10-30 percent of simazine and 5-20 percent of organic solvent. The highly efficient composite bactericidal algaecide can be prepared to a bactericidal algaecide with different foamability according to customer needs and has obvious sterilization and algae removal effects on the hazards of bacteria, fungi, algae and legionnella in an opened recirculation cooling water system.

The invention discloses a herbicidal composition containing triafamone and benzobicylon. The herbicidal composition comprises a component A and a component B, wherein the component A is a mixture which comprises triafamone and benzobicylon; the component B is selected from one, two or more than two of a variety of recorded compounds, comprising bensulfuron methyl, pyrazosulfuron ethyl, cyclosulfamuron, ethoxysulfuron, cyclosulfamuron, cyhalofop-butyl, pyriminobac-methyl, 2,4-D,2-methyl-4chlorophenoxyacetic acid, propanamide, nitrofen, chlornitrofen, diuron, monuron, simazine, atrazine and prometryn. The herbicidal composition disclosed by the invention has an excellent herbicidal effect, and can effectively prevent and remove gramineous weeds, cyperaceous weeds and broadleaf weeds in paddy fields by applying pesticides once, and is further wide in weeding range and safe to rice for being a triafamone and benzobicylon compounded preparation.

The invention relates to a herbicide composition, in particular to a cornfield herbicide composition taking topramezone, halosulfuron-methyl and ametryn or simazine selected from a triazine herbicide as active ingredients, the weight ratio of the effective components of the topramezone to the halosulfuron-methyl to the triazine herbicide in the composition is 0.375-6 to 0.5-8 to 30-480, and the weight percentage of the effective components in the composition ranges from 10 percent to 80 percent. The compound herbicide can be prepared into conventional dosage forms such as wettable powder, water dispersible granules and suspending agents, the herbicide composition can prevent and kill off various weeds in the cornfield simultaneously, the control effect to the cornfield weeds is obviously improved, the dosage of the effective components is less, the usage cost is low, safety to corn and afterreap crops is achieved, and the herbicide composition is an ideal herbicide.

The invention relates to an evaporation reducing water-saving method using iron-containing fertilizer. The method comprises: laying a sprinkling irrigation system and performing sprinkling irrigation. Sprinkling irrigation includes sprinkling irrigation in a seedling stage, sprinkling irrigation in a growing period, and sprinkling irrigation in a cutting stage. The sprinkling irrigation in a growing period uses a mixed sprinkling irrigation method of using iron-containing fertilizer salt water and fresh water. The iron-containing fertilizer contains components in the following parts by weight: 21-23 parts of monoammonium phosphate, 15-17 parts of monopotassium phosphate, 10-13 parts of ammonium bicarbonate, 8-10 parts of ammonium phosphate, 5-7 parts of ammonium chloride, 3-5 parts of Fe-chelate, 2-4 parts of grape vinegar, 1-3 parts of fulvic acid potassium, 0.2-0.4 parts of silybum marianum extract, 0.1-0.3 parts of simazine, 0.1-0.3 parts of paclobutrazol, 0.1-0.3 parts of chlorothalonil, 0.1-0.3 parts of fenaminosulf, 1-3 parts of 5-nitroguaiacol sodium salt, 1-3 parts of urethane, and 50-52 parts of water.

The invention discloses a simazine water dispersant granule and a preparation method thereof. The simazine water dispersant granule comprises the following components: 3-30 percent of simazine, 3-12 percent of dispersant, 3-10 percent of wetting agent, 5-25 percent of disintegrating agent and the balance of carrier. The simazine water dispersant granule has the following four advantages: 1. since the simazine water dispersant granule is free from organic solvent, the damage to ecological environment is mitigated and the production cost is lowered; 2. the toxic action on the applicators is significantly decreased; 3. after being made into water dispersant, the simazine water dispersant granule is characterized by good dispersibility and suspension property, high effective component content and stable physical and chemical properties, can expand the application scope of the drug, extend the persistent period, improve the drug effect, save organic solvent, and do no harm to environment, and has the advantages of both wettable powder and suspending agent; and 4. the granule is convenient to be packaged and transported.

The invention belongs to the technical field of agricultural weeding chemicals, and particularly relates to a novel weedicide which is mainly applicable to weeding of sugarcane, corn and sorghum fields. The novel weedicide is characterized by comprising the following active ingredients in percentage by weight: 20-80% of simazine, 20-80% of atrazine, 3-15% of auxiliaries, and the balance of fillers. The novel weedicide belongs to uptake and translocation type weedicide, and inhibits the photophosphorylation action in a plant body through the uptake and translocation of stem leaves and roots of plants, the processes of NADP (nicotinamide - adenine dinucleotide phosphate) reduction and CO2 fixation and the like, damages the photosynthesis of plants, and influences the absorption of nutrients in weeds so as to stop the growth of plants. According to the novel weedicide, two ingredients have synergistic interaction, the weedicide controlling spectrum can be effectively extended, various weeds can be prevented through once application, the application amount of the weedicide can be greatly decreased, the cost can be lowered and the adverse effect on the environment can be reduced, the drug resistance of the weeds can be postponed, and the defects that the drug resistance of the weeds due to long-time use of one weedicide is increased, weedicide effect is decreased, and the like can be overcome.

The invention discloses a rice insecticide. The rice insecticide is prepared from the following raw materials by weight: 25-35 parts of nux vomica, 15-20 parts of marsdenia tenacissima, 12-17 parts ofherba andrographitis, 15-20 parts of metolachlor, 16-21 parts of centella, 10-16 parts of microcos paniculata, 4-8 parts of fennel, 13-17 parts of simazine, 10-15 parts of abamectin, 15-18 parts of blackberry lily, 12-16 parts of Chinese toona root-bark powder, 5-10 parts of clove, and 11-13 parts of stearic acid. The rice insecticide has a good insecticidal effect, does not cause antibiosis easily, and protects the environment, and the preparation cost is low.

The invention belongs to the field of pesticides, and provides a mixed herbicide containing topramezone and simazine, and application thereof. The mixed herbicide contains active ingredients of topramezone and simazine in the weight ratio of 1:60-900:1. The mixed herbicide can be applied to the weeding of corn field, and particularly has significant effect in controlling germinated or nearly germinated Gramineae, Cyperaceae and broadleaf weeds. Compared to a single dosage, the herbicide of the invention, on the promise of improving the drug effect, delays weed resistance, widens herbicidal spectrum, and has long duration and security to corn.