41 results about "Prometryne" patented technology

The invention discloses a method for preparing the molecular engram solid phase micro-extraction coat, which comprises following steps: alkali cleaning, acid cleaning, activating and silanizing quartz fiber; assembling the template molecular and functional nomomer; adding crosslinking agnet and initiator, inserting silanized quartz molecular and thermally initiating the polymerization; extracting out the fiber to be aged; repeating aforementioned steps to reach needed thickness of coat; washing and removing the template molecular. Compared with commercial coat, the Prometryne molecular engram solid phase micro-extraction coat prepared by said method has better molecular recognition function on the triazine herbicide, while said coat is in porous structure without broken in long service. And its thickness can be adjusted via the plating times with better repeating ability. The extracting head can be used with the liquid chromatography, to separated and collect the triazine herbicide in the complex base as environment sample and food.

The invention discloses a preparation method and application of a mass-selective monoclonal antibody capable of resisting 8 triazin type agricultural chemicals, and belongs to the technical field of biology. According to the preparation method disclosed by the invention, an appropriate activity arm is introduced into a 1,3,5- triazine ring, immune half-antigen and coating half-antigen are prepared, by an activity ester method, ovalbumin (OVA) and bovine serum albumin (BSA) are coupled to prepare immunogen and coating antigen, a Balb/c mouse is immunized by the immunogen, and a monoclonal antibody is prepared through a hybridoma technique; based on the antibody, the coating antigen is used as detection antigen, heterogenous indirect competitive enzyme-linked immunosorbent assay (ELISA) is established, and the mass-selective monoclonal antibody can be used for detecting 8 triazin type agricultural chemicals including prometryn, prometon, mesoran, secbumeton, atratone, desmetryn, simetrynand ametryn. The method is low in detection cost, high in sensitivity and simple and convenient in operation, and is suitable for on-site quick massive screening of the 8 triazin type agricultural chemicals.

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 medicinal composition for preventing and controlling moss. The medicinal composition is formed by uniformly mixing 0.1-10 parts by weight of copper sulfate and 1-50 parts by weight of fructus cnidii water extract. The medicinal composition is mainly used for removing moss on a soil surface or in a pool, and the effect of the medicinal composition is superior to that of single copper sulfate and prometryn. The invention also provides a method for preventing and controlling growth of moss in a fritillaria planting greenhouse. The method comprises the following steps: keeping ventilation in the greenhouse, and illuminating for 1-2 hours every other day; mixing the copper sulfate and the fructus cnidii water extract, adding water into the mixture so as to prepare a medicinal liquid; spraying the medicinal liquid in a dosage of 500-800ml per square meter on the soil surface in the fritillaria planting greenhouse. The medicinal composition is small in dosage and durable in drug effect, cannot cause hazard to the environment, and can be used for overcoming the defect of drug residues of existing chemicals; meanwhile, the method has the advantages of simplicity in operation, safety in use and exact curative effect.

The invention relates to a herbicidal composition containing cyhalofop-butyl and triazines. The composition is mainly characterized by containing active ingredients of 1 to 60 percent of cyhalofop-butyl and 1 to 60 percent of prometryn, aids and other excipients and being prepared into wettable powder, water dispersable granules, a suspending agent, suspension emulsion, microemulsion and water emulsion. The herbicidal composition is used for controlling annual gramineous weeds and partial broadleaf weeds in rice fields.

The present invention relates to a weed killer for sunflower fields, wherein the composition comprises the following components by weight: 15-25 parts of diclofop-methyl, 10-20 parts of glyphosate, 10-20 parts of butralin, 15-25 parts of prometryne, 10-20 parts of fatty acid glyceride, 25-35 parts of stearic acid, and 45-55 parts of salad oil. The weed killer composition of the present invention has the following beneficial effects that: the weed killer is mainly used for preventing and controlling weeds in sunflower fields, the weed killing effect is good, the target weeds can be effectively removed, the weed killer use amount and the number of the application are reduced, and the persistence period is long.

The invention discloses a ternary compound herbicide composition and application thereof to prevention and control of Chinese fir forest weeds. The herbicide composition is prepared by taking prometryn, haloxyfop-R-methyl and sulfentrazone as effective components according to the weight proportion, wherein the mass ratio of the prometryn to the haloxyfop-R-methyl to the sulfentrazone is (1-100):(1-30):(1-100); the chemical name of the prometryn is N,N-diisopropyl-6-methylmercapto-1,3,5-triazine-2,4-diamine; the chemical name of the sulfentrazone is N-(2,4-dichloro-5-(4-difluoro methyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazole-1-yl)phenyl)sulfonamide. Three herbicide components with different action mechanisms are adopted, the weed control spectrum is wide, the prevention effect is obviously improved, broadleaf weed and grassy weed can be prevented and controlled, the weed control time is long, the safety of Chinese fir is guaranteed, and the problems of high manual weeding cost, lowefficiency and high damage to seedlings by herbicide harm in the weeding link in the process of nourishing young Chinese fir by people are effectively solved.

The invention provides synergetic increased weeding composition. The composition is prepared from active components of pyroxasulfone and prometryn in a weight ratio being 10:1-1:100. The synergetic weeding composition is used for controlling unexpected plant growth. The invention also provides a method for controlling unexpected plant growth. The active components of pyroxasulfone and prometryn of the synergetic weeding composition are applied to unexpected plants or growth places of the unexpected plants together or independently.

The invention discloses a weeding composition which comprises three active components, namely metolachlor, clomazone and prometryn. Mass ratio of metolachlor to clomazone to prometryn is 1:1.5-2.5:5-7. By complex formulation of metolachlor, clomazone and prometryn, the weeding composition has an obvious spread spectrum synergy, has a high effect of preventing weeds such as duckweed, Spirogyra, barnyard grass, digitaria sanguinalis and the like, can remove weeds rapidly, can be used to obviously reduce drug dosage. Thus, the environment is improved; food safety is raised; and the weeding composition is beneficial to cost reduction and yield increasing, and is in accordance with national conditions in China.

The composition of compounded weedicide contains (wt%) 6%-16% of prometryn, 17%-27% of butralin, 15%-30% of cyclohexanone as cosolvent, 35-45% of solvent xylene and 2%-12% of agricultural emulsifier No.8203. Its production process includes the following steps: the above-mentioned raw amterials are heated in reactor, heating at 50-60 deg.C and stirring for 1-3 hr.

The invention discloses a nucleic acid aptamer capable of being combined with prometryn and application of nucleic acid aptamer, belongs to the field of environmental pollutant detection, and particularly relates to a nucleic acid aptamer for detecting prometryn and a nanogold colorimetric detection method of the nucleic acid aptamer. The nucleic acid aptamer provided by the invention has relatively high affinity and specificity to prometryn, and can be used for detecting prometryn in environments, foods, medicines, raw materials or biological samples. The invention also provides a nanogold colorimetric method for detecting prometryn in a sample.

The invention discloses a comprehensive weed control method in radix bupleuri planting. The method comprises the following steps: before planting and sowing radix bupleuri, ploughing soil by using a rotary cultivator, conducting weeding through ploughing, and after planting and sowing of radix bupleuri, spraying a sealing agent; after the sealing agent is sprayed on the radix bupleuri, covering the compartment surface; before radix bupleuri seeds germinate and when weeds exist in the field, spraying prometryn wettable powder once with the application amount of 8-20 g per 667 m<2>; after the radix bupleuri completely emerges, observing the field weeds: when a large scale of monocotyledonous weeds appear, applying 2-8 ml of haloxyfop-R-methyl emulsifiable concentrate per 667 m<2>; and when mixed monocotyledonous and dicotyledonous weeds appear and when the radix bupleuri grows to a four-leaf stage or the plant height is greater than or equal to 8 cm, firstly spraying 4-15 ml of oxyfluorfen emulsifiable concentrate and then spraying 3-10 ml of efficient haloxyfop-R-methyl emulsifiable concentrate per 667 m<2>. The weed control effect reaches 90%, the yield of the radix bupleuri can be increased by 20%, and only two working hours are needed.