43 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 discloses a weeding composition, and particularly relates to a herbicide suitable for soybeans, and belongs to the technical field of herbicides. The weeding composition comprises the components in parts by weight: 0.5-5 parts of alachlor, 0.3-5 parts of metolachlor, 1-8 parts of prometryn, 2-7 parts of pendimethalin, 3-11 parts of MCPA, 5-14 parts of imazethapyr, 3-15 parts of fomesafen, 20-60 parts of a carrier and 7-10 parts of a surfactant. The weeding composition disclosed by the invention is specifically used for various weeds in soybeans, has a good removal effect and is short in residual life.

The invention discloses a preparation method and application of a perovskite quantum dot-molecular imprinted electrochemiluminescence sensor for detecting prometryn. The method is characterized by comprising the following steps: putting a pretreated glassy carbon electrode into a CsPbBr3 QDs solution with the concentration of 10.0 mg / mL, circularly scanning for 20 circles under the conditions that the scanning speed is 50mV / s and the potential range is 0-1.6 V, and carrying out electrodeposition to obtain CsPbBr3-QDs / GCE; putting the perovskite quantum dot into an ethyl acetate solution containing o-aminophenol and prometryn, carrying out cyclic scanning polymerization for 25 circles to obtain an MIP / CsPbBr3-QDs / GCE polymer membrane electrode, and soaking the electrode in a solution formed by mixing methanol and acetic acid according to a volume ratio of 7: 3 so as to obtain the perovskite quantum dot-molecular imprinted electrochemiluminescence sensor for detecting prometryn. The method has the advantages of strong specificity, high sensitivity and high accuracy.

The invention discloses a composite herbicide formulated by 0.5-1.5 portion of pyrazosulfuron-ethyl, an active component, and 7.5-8.5 portion of prometryne according to weight account, which can effectively control weed such as Chinese water chestnut and pondweed, with a herbicidal rate of above 80 per cent. Through measurement of indoor biology, co-toxicity coefficient of the herbicide of the invention is bigger than 100; two single-doses has synergistic interaction effect; dosage for single using the pyrazosulfuron-ethyl is decreased and drug cost is reduce. By field plot experiment, the herbicide of the invention has a stable weeding effect and is safe for growth of rice.

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.

Enantiomers of 1′,6′-isoneplanocin, including derivatives of the enantiomers of 1′,6′-isoneplanocin, are disclosed along with novel synthetic methods. In particular, a substituted cyclopentane epoxide is synthesized into the enantiomers of 1′,6′-isoneplanocin. Enantiomers of carbocyclic nucleoside analogs of 3-deazaneplanocin to provide D- and L-like 1′,6′-iso-3-deazaneplanocin are also disclosed. The small molecule chemotherapeutic compounds beneficially provide DNA and RNA antiviral activity, demonstrating activity towards, for example, human cytomegalovirus, measles, Ebola, norovirus, dengue, vaccinia and HBV. Compounds exhibiting reduced S-adenosylhomocysteine hydrolase inhibitory effects are disclosed and provide improved toxicity profiles in comparison to neplanocin. The invention provides improved prophylactic and / or therapeutic antiviral efficacy.

The invention relates to a novel pesticide composition containing ethoxysulfuron. The composition is a ternary compounded herbicide composition with ethoxysulfuron, prometryn and simetryn as active components, wherein, the weight ratio of ethoxysulfuron to prometryn to simetryn is 1-40:5-60:10-80; the composition can be made into wettable pulvis, water dispersible granules, a suspending agent, a suspension emulsion, a micron emulsion and an emulsion in water. The pesticide composition provided in the invention can be used for controlling annual weeds in paddy rice fields.

The invention belongs to the field of agricultural chemistry, and particularly relates to a method for removing prometryn and heavy metal in porphyra. The method comprises the specific steps that fresh porphyra is subjected to enzymolysis through one or more complex enzymes of cellulase, pectinase and papain, so that the prometryn and the heavy metal on the fresh porphyra can be removed. The method disclosed by the invention is combined with a conventional common-used porphyra processing technology, and only a simple removal technology link needs to be added, the prometryn and the heavy metal in the porphyra can be removed quickly and efficiently, the operation is simple, the cost is saved, pollution is not caused, besides, the removal effects are good, and influence on algae bodies is small. The method disclosed by the invention is safe, pollution-free, healthy and environmental-friendly, the quality of the porphyra is greatly improved, the economic benefits are increased, and the high-value utilization of porphyra industry is promoted.

The invention discloses a weeding composition, which comprises active ingredients A, B and C, wherein the active ingredient A is mefenacet, the active ingredient B is bensulfuron, and the active ingredient C is prometryne or simetryne. According to the weeding composition, the ingredients have the synergistic effect, so the weeding composition is good in weeding effect, wide in weeding spectrum, low in residue, safe to crops, low in cost and high in adaptability, and can be applied to weeds which are difficult to weed.

The invention belongs to the field of pesticides, and relates to a mixed herbicide composition containing bispyribac-sodium and prometryn. The herbicide composition adopts the bispyribac-sodium and the prometryn as main active components, the weight ratio of which is 0.1 to 99:0.1 to 99. The herbicide composition can prevent and get rid of annual gramineous weeds, broadleaf weeds and cyperaceous weeds in paddy fields, and compared with single agents, the herbicide composition delays the resistance of weeds under the premise that the effect is enhanced, has a broad weeding spectrum and long persistence, is safe for rice and next-stubble crops, and therefore is an ideal paddy field herbicide.

The invention provides weeding composition. The weeding composition comprises active ingredients as follows: pyraclonil and prometryn in a weight ratio being 1:1-1:100. The invention further relates to an application of the weeding composition in control for growth of undesirable plants such as monocotyledonous and dicotyledonous weeds, in particular to an application of the weeding composition incontrol for undesirable plants in grain crops. The invention further provides a method for controlling growth of the undesirable plants. The method comprises the step as follows: the effective weeding amount of the weeding composition is contacted with the undesirable plants or growing places of the undesirable plants, or the effective weeding amount of the weeding composition is applied to soilto prevent the undesirable plants from germination or growth.

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 relates to a herbicide composition for carrot land. The herbicide composition is mainly composed of active ingredients including quizalofop-p-ethyl and prometryn according to a mass ratio of 1:2-20. The herbicide composition can prevent and remove gramineous weed and broad-leaf weed, and is high in weeding activity, wide in weeding spectrum and remarkable in effect improvement; the herbicide composition is high in safety grade to carrot seedlings and is an ideal post-seedling herbicide of the carrot land.

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 relates to the technical field of herbicide preparation, in particular to a compound herbicide for a paddy field and a preparation process of the compound herbicide. The raw material ofthe herbicide comprises the following components in parts by weight: 18-25 parts of a mixed agent formed by mixing penoxsulam, mesotrione and ethoxysulfuron according to the weight ratio of (2.8-3.2):5.0: (2.5-3.5), 5-10 parts of bensulfuron methyl, 3-7 parts of prometryn, 10-15 parts of butachlor, 8-12 parts of azone, 5-8 parts of thienone, 1.3-1.8 parts of a disintegrating agent, 2.2-2.8 partsof an adhesive, 0.9-1.4 parts of a defoaming agent and 4-7 parts of an auxiliary agent, compared with commercially available paddy field herbicides, the prepared herbicide has a better killing effecton annual gramineous weeds, broadleaf weeds and cyperus weeds in a paddy field, the effect is more remarkable, the weeding range is wider, and the herbicide has a very good market prospect; besides, the herbicide prepared by the invention can be directly sown into a rice field, and compared with a traditional spray application method, the herbicide prepared by the invention is more time-saving, labor-saving and labor-saving when being applied.

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 present invention relates to a weedicide composition. It contains sulcotrione and at least one tripyridine weedicide. The weight portion ratio of sulcotrione and tripyridine weedicide is 1:100 to 100:1, and the weight percentage content of the active component in the composition is 0.5-95%, and the described tripyridine weedicide is: atrazine, simazine, metribuzin, cyanazine, prometryn and ametryn, etc. Said weedicide composition has obvious synergistic action, can be used for controlling gramineous weeds and latifolious weeds.

The invention discloses a pesticide residue degradation nutrient solution which comprises the following substance components in percentage: 37% of fertilizer, 4% of bacillus subtilis, 3% of white rot fungi, 5% of aspergillus, 4% of photosynthetic bacteria and 45% of underground water. The invention also discloses a preparation method of the pesticide residue degradation nutrient solution. The preparation method comprises the following steps: S1, calculating the weight of the required fertilizer, bacillus subtilis, white rot fungi, aspergillus, photosynthetic bacteria and underground water, and weighing for later use; s2, placing the underground water in a reaction kettle, heating the underground water in the reaction kettle, and keeping the underground water at a constant temperature; and S3, crushing the fertilizer. Fertilizer of the pesticide residue degradation nutrient solution can provide nutritional ingredients for crops and is beneficial to growth of the crops, meanwhile, bacillus subtilis, white rot fungi, aspergillus and photosynthetic bacteria are added into the nutrient solution, pesticides such as trichlorfon and prometryn can be degraded, and guarantee is provided for health of people.

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 method for reducing prometryn in marine bivalves, which belongs to the technical field of food pesticide residue reduction. According to the invention, degradation is carriedout under combined action of direct oxidization of ozone molecules in ozone water and indirect oxidization of active free radicals. The final concentration of ozone is controlled to be 4.0-4.2 mg / L,Na2CO3 or citric acid is adopted to adjust the pH value of the solution to be 6-7, the solution system is in a constant-temperature water bath environment, the temperature is 23-27 DEG C, cleaning isconducted after treatment is conducted for 20-40 min, and a marine bivalve product with prometryn residues greatly reduced is obtained. The method can safely and efficiently degrade prometryn residuesin marine bivalves, the degradation rate can reach 85% or above to the maximum extent, the structure of the product is prevented from being damaged, the processing cost of the product is reduced, theadditional value of the product is increased, and besides, the nutritional ingredients of marine bivalves are kept to the maximum extent.

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 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.

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.