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68 results about "Acifluorfen" patented technology

Acifluorfen is an herbicide. It is effective against broadleaf weeds and grasses and is used agriculturally on fields growing soybeans, peanuts, peas, and rice.

Soya bean field herbicide

A composite herbicide for soybean field contains methoxy imazethapyr and acifluorfen sodium or clomazone or fomesafen in weight ratio of (1-30):(1-60). Its advantages are broad spectrum, high effect, low dosage and no pollution.
Owner:JIANGSU CHANGQING AGROCHEMICAL CO LTD

Synthesis method of diphenyl ether derivate, combined production method of oxyfluorfen and acifluorfen and synthesis method of oxyfluorfen

The invention provides a synthesis method of a diphenyl ether derivate. The diphenyl ether derivate has a structure as shown in formula (1). The synthesis method comprises the following step: enabling 3-chloro-4-hydroxyl benzotrifluoride (a compound as shown in formula (2)) to be in contact with a compound as shown in formula (3). By using the 3-chloro-4-hydroxyl benzotrifluoride as the starting material to synthesize the diphenyl ether derivate, the synthesis method can realize the reutilization of byproducts (3-chloro-4-hydroxyl benzotrifluoride) in the dual-etherification process route foroxyfluorfen production. Besides, by using the 3-chloro-4-hydroxyl benzotrifluoride to synthesize diphenyl ether herbicides, the content of the product can be increased to more than 90%.
Owner:SHANGYU NUTRICHEM

Rhodococcus sp. capable of degrading four herbicides and application thereof

The invention discloses a bacterium capable of degrading herbicides and an application thereof. The bacterium capable of degrading herbicides is rhodococcus sp. 198-R-56, and the collection number of the bacterium in the China General Microbiological Culture Collection Centre is CGMCC No. 9868. With regard to the rhodococcus sp. 198-R-56 CGMCC No. 9868 provided by the invention, in an inorganic salt culture medium for 7 days, the degradation rate for 100mg / L of imazethapyr achieves 84.63%, the degradation rate for 50mg / L of acetochlor achieves 69.15%, the degradation rate for 100mg / L of chlorimuron-ethyl achieves 52.20%, and the degradation rate for 100mg / L of acifluorfen sodium achieves 20.16%, which indicates that the strain is capable of degrading the herbicides imazethapyr, acetochlor, chlorimuron-ethyl and acifluorfen sodium; meanwhile, the strain has a capacity of producing plant hormone heteroauxin and has a yield of 62.35+ / -3.76mu g / ml, which indicates that the strain has a capacity of promoting plant growth.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

A kind of herbicidal composition containing bentazone, metazetam and fenoxaprop-p-ethyl and its application

The invention discloses a herbicidal composition containing bentazone, acifluorfen-sodium and fenoxaprop-p-ethyl which serve as the main effective components and are in a mass ratio of 1-70:1-70:1-70. The herbicidal composition of the invention can be used in soybean field post-seedling weeding, and especially presents an obvious effect when applied to control of various gramineous weeds, broadleaf weeds and sedges in soybean fields. Compared with a single agent, the herbicidal composition of the invention, in the precondition of improving herbicide effect, can delay weed resistance and has broad herbicidal spectrum, long persistent period as well as security to soybean and succeeding crops.
Owner:NANJING HUAZHOU PHARMA

Bacterium for degrading herbicide acifluorfen-sodium and application of bacterium

The invention discloses a bacterium for degrading a herbicide acifluorfen-sodium and application of the bacterium. The bacterium for degrading acifluorfen-sodium is Enterobacter sp. ZCF1643, which is preserved in China General Microbiological Culture Collection Center by a preservation number of CGMCC No.7774. The enterobacter sp. ZCF1643 CGMCC No.7774 reaches a degrading rate of 63.47% on 25mg / L of acifluorfen-sodium in an organic salt culture medium within 7 days, showing that the strain can effectively degrade the acifluorfen-sodium; the bacterium has a wide application prospect in an aspect of repairing acifluorfen-sodium pollution of soil.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

A kind of herbicidal composition containing bentazone, metazetam and clethodim and its application

The invention discloses a herbicidal composition containing bentazone, acifluorfen-sodium and clethodim which serve as the main effective components and are in a mass ratio of 1-70:1-80:1-80. The herbicidal composition of the invention can be used in soybean field post-seedling weeding, and especially presents an obvious effect when applied to control of various gramineous and broadleaf weeds in soybean fields. In the precondition of improving the herbicide effect, the herbicidal composition of the invention, compared with a single agent, can delay weed resistance and has broad herbicidal spectrum, long persistent period as well as security to soybean and succeeding crops.
Owner:江苏欧越生物科技有限公司

New use and composition of diphenylether pesticide compositions for controlling and killing shoots of citrus crops

The invention discloses diphenylether pesticide compositions and use thereof. The diphenylether pesticide compositions comprise at least one of nitrofen, oxyfluorfen, fomesafen and acifluorfen or lactofen as an active component, and are used for controlling and killing shoots of citrus crops, wherein the content of the active component in percentage by weight is 0.1% to 90%. The diphenylether pesticides can be used for controlling and killing the shoots of the citrus crops grown for competing for nutrients with fruit when the fruit is produced in summer; therefore, the production cost is greatly reduced, and the fruit yield is improved; moreover, the diphenylether pesticide compositions have the advantages of being safe, efficient and economic, and controlling and killing the shoots of the citrus crops in summer.
Owner:广州农泰生物科技有限公司

Protoporphyrinogen oxidase having activity of imparting resistance against acifluorfen and gene thereof

Protoporphyrinogen oxidase having an activity of imparting acifluorfen resistance and gene thereof are provided. Cyanobacterium protoporphyrinogen oxidase gene is identified by introducing a protoporphyrinogen oxidase gene of Arabidopsis into cyanobacterium, disrupting a cyanobacterium gene with a transposon, selecting a mutant strain in which protoporphyrinogen oxidase gene is disrupted, identifying the disrupted protoporphyrinogen oxidase gene, and isolating the disrupted protoporphyrinogen oxidase gene. This procedure is effective as a gene isolation technique when a protein derived from other organism species that is homologous to a known protein (e.g., protoporphyrinogen oxidase from cyanobacterium) can not be found in a gene database of the other species.
Owner:NIPPON SODA CO LTD +1

Herbicidal composition containing bentazone, imazamox and quizalofop and application thereof

The invention discloses a weeding composition containing bentazone, acifluorfen-sodium and quizalofo-P-ethyl. The weeding composition adopts the bentazone, the acifluorfen-sodium and the quizalofo-P-ethyl as main effective components, wherein a mass ratio of the bentazone to the acifluorfen-sodium to the quizalofo-P-ethyl is 1:60:1-60:1-60. The weeding composition provided by the present invention can be applicable for weeding in the soybean field after seedling, specifically provides significant effects for prevention and elimination of various grassy weeds, broadleaf weeds and papyrus in the soybean field. Compared to the single weed killer, in the premise of improvement of the efficacy, the weeding composition provided by the present invention delays the resistance generating of the weeds, and has wide weeding spectrum and long effective duration, and provides safeties for the soybean and the succeeding crops.
Owner:NANJING HUAZHOU PHARMA

A kind of herbicidal composition containing bentazone, methotrexate and ethenoxydim and its application

The invention discloses a herbicidal composition containing bentazone, acifluorfen-sodium and sethoxydim. The herbicidal composition treats bentazone, acifluorfen-sodium and sethoxydim as main effective components, and the mass ratio among bentazone, acifluorfen-sodium and sethoxydim is 1-60:1-60:1-60. The herbicidal composition of the invention which is used for postemergent weeding in soybean fields has a substantial effect when being applied to control various grassy weeds, broadleaf weeds, and sedges in the soybean fields. Compared with a single dose, the herbicidal composition of the present invention allows weed resistance delay, broad weeding spectrum, and long persistent period to be realized and has security to soybean and later crops on condition that the drug effect is improved.
Owner:NANJING HUAZHOU PHARMA

Weeding combination containing pyraflufen-ethyl and diphenyl ether compound

The invention relates to a weeding combination containing pyraflufen-ethyl and a diphenyl ether compound, which is mainly characterized in that the weeding combination contains 1-60 percent of active ingredient A, i.e. the pyraflufen-ethyl, 1-80 percent of active ingredient B, adjuvant and other excipients, the active ingredient B is selected from acifluorfen, fomesafen or fluoroglycofen-ethyl, and the weeding combination is prepared into wettable powder, water dispersible granules, oil suspending agent, suspending emulsion, microemulsion and emulsion in water. The weeding combination provided by the invention can be used for preventing and controlling weeds in soy bean fields and paddy fields.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD

Bacterium for degrading herbicides and application thereof

The invention discloses a bacterium for degrading herbicides and application thereof. The bacterium for degrading the herbicides is Rhizobium sp. 198-L-30 which has the collection number of CGMCC No. 9864 in the China General Microbiological Culture Collection Center. According to the Rhizobium sp. 198-L-30 with the collection number of CGMCC No. 9864 provided by the invention, the degradation rate on 100mg / L of imazethapyr in an inorganic salt culture medium within 7 days is 93.40 percent; the degradation rate on 50mg / L of acetochlor is 88.44 percent; the degradation rate on 100mg / L of chlorimuron-ethyl is 41.15 percent; and the degradation rate on 100mg / L of acifluorfen is 12.28 percent. According the strain, the herbicides such as imazethapyr, acetochlor, chlorimuron-ethyl and acifluorfen can be degraded.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

A kind of mixed herbicide containing bentazone, acifluorfen and fenoxaprop-ethyl and its application

The invention belongs to the field of weeding, and discloses a mixing weed killer containing bentazone, acifluorfen-sodium and fenoxaprop-p-ethyl, and an application thereof. The mixing weed killer adopts the bentazone, the acifluorfen-sodium and the fenoxaprop-p-ethyl as main effective components, wherein a mass ratio of the bentazone to the acifluorfen-sodium to the fenoxaprop-p-ethyl is 0.1-80:0.1-80:0.1-80, the total mass percentage of the three materials in the mixing weed killer is 1-85%. The mixing weed killer provided by the present invention can be applicable for weeding in the soybean field after seedling, specifically provides significant effects for prevention and elimination of various grassy weeds and broadleaf weeds in the soybean field. Compared to the single weed killer, in the premise of improvement of the efficacy, the weeding composition provided by the present invention delays the resistance generating of the weeds, and has wide weeding spectrum and long effectiveduration, and provides safeties for the soybean and the succeeding crops.
Owner:江苏欧越生物科技有限公司

Preparation process of acifluorfen

The invention relates to the technical field of herbicides, and discloses a preparation process of acifluorfen, which comprises the following steps: synthesizing 3-[2-chloro-4-(trifluoromethyl) phenoxy] benzoic acid by using 3, 4-dichlorobenzotrifluoride as a raw material, and carrying out nitration reaction by using concentrated sulfuric acid and concentrated nitric acid as mixed acids to obtainacifluorfen. According to the production process disclosed by the invention, an extracted 3-[2-chloro-4-(trifluoromethyl) phenoxy] benzoic acid solution is directly conveyed to a nitration kettle fornitration reaction, the process is simpler, the production progress can be effectively accelerated, the yield can be effectively increased, the nitration reaction temperature in the process is about 40 DEG C, the reaction time is shorter, the problem of more impurities caused by high temperature and overlong reaction time can be avoided, meanwhile, the time cost can also be saved, and the preparation process has the characteristics of mild reaction conditions and high yield.
Owner:西安思科赛实业有限公司

Composite microemulsion of acifluorfen, pyridaben and prochloraz-manganese chloride complex

The invention discloses a composite microemulsion of acifluorfen, pyridaben and prochloraz-manganese chloride complex. The composite microemulsion of the acifluorfen, the pyridaben and the prochloraz-manganese chloride complex comprises 20-30 parts of acifluorfen, 10-15 parts of pyridaben, 5-15 parts of prochloraz-manganese chloride complex, 5-13 parts of calcium dodecyl benzene sulfonate, 4-10 parts of phenyl phenol polyoxyethylene ether and the balance water. A preparation method of the composite microemulsion of the acifluorfen, the pyridaben and the prochloraz-manganese chloride complex includes that the components are added in an agitator kettle in proportion and stirred slowly, and temperature rises to 10-15 DEG C gradually. The composite microemulsion of the acifluorfen, the pyridaben and the prochloraz-manganese chloride complex is combined with a pesticide, can cure summer soybean annual weeds, citrus red mite and rice blast, reduces cost, and improves control efficiency of the pesticide.
Owner:NANTONG DIXING CHEM

Fluroxypyr clethodim missible oil

The invention discloses fluroxypyr clethodim missible oil which comprises the components in percentages by mass as follows: 5-10% acifluorfen, 5-10% of clethodim, 2-6% of calcium dodecyl benzene sulfonate, 4-8% of pesticide emulsifier No. 600 and 70-80% of dimethylbenzene. The effective components of the fluroxypyr clethodim missible oil are the acifluorfen and the clethodim. As the acifluorfen, the clethodim and padding are compounded according to a certain proportion to form a fluroxypyr clethodim compound pesticide, the fluroxypyr clethodim missible oil, disclosed by the invention, has the advantages of delaying resistance to drugs of plants, improving preventive treatment of the pesticide, playing the advantages of various drugs, reducing cost, obtaining obvious labor-saving benefits and improving economic benefits.
Owner:秦施豪

Weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium

ActiveCN103120181AOvercoming unsatisfactory single-use effectOvercome problems such as insufficient weed spectrumBiocideAnimal repellantsAcifluorfenActive component
The invention discloses a weedicide composition containing glyphosate, acifluorfen and pyrithiobac-sodium. The weedicide composition contains the active components of glyphosate, acifluorfen and pyrithiobac-sodium, and comprises the following components in percentage by weight: 30-60% of glyphosate, 5-30% of acifluorfen, 0.5-10% of pyrithiobac-sodium and the balance of assistant. The preparation formulation of the weedicide composition can be water and soluble powder (granules). The composition has obvious synergistic action after being complexed, enlarges the weed control spectrum, improves the weeding speed and remarkably reduces the consumption and use frequency of the weedicide, and can be used for controlling weeds in woodlands, noncroplands, citrus orchards and other places as well as some gramineous and broadleaf weeds which are difficult to control.
Owner:GUANGXI RES INST OF CHEM IND CO LTD +2

Preparation method of acifluorfen water aqua

The invention relates to a preparation method of an acifluorfen water aqua. The method comprises the following steps: 1) first mixing a raw material of acifluorfen with a solvent of calixarene at the temperature of 10 DEG to 40 DEG C; 2) mixing evenly, adding an emulsifier carboxylic ester, and stirring evenly; and 3) and filtering the sediment to obtain the water aqua. The invention has the following advantages: 1) the invention uses calixarene as the solvent, the cup-shaped structure of calixarene can form good surrounding around the acifluorfen, and has certain concentration performance while maintaining dispersion properties of the acifluorfen water aqua, so as to keep the uniformity of pesticide properties in the application process, ensure the concentration of pesticide properties, and improve the control effect; and 2) acifluorfen is added to the emulsifier to guarantee the emulsifying effect of acifluorfen, and improve the dispersion performance.
Owner:JIANGSU CHANGQING AGROCHEMICAL CO LTD

Safe and effective weeding agent for vegetable planting

The present invention provides a safe and effective weeding agent for vegetable planting, wherein the safe and effective weeding agent comprises, by weight, 100 parts of water, 25-35 parts of abamectin, 4-10 parts of fentrazamide, 3-7 parts of pyriminobac-methyl, 4-8 parts of pyrazosulfuron-ethyl, 1-5 parts of s-metolachlor, 2-6 parts of flumetsulam, 1-5 parts of fomesafen, 5-7 parts of permethrin, 2-10 parts of acetochlor, 4-6 parts of sethoxydim, 3-5 parts of acifluorfen, 1-3 parts of cyhalothrin, and 2-6 parts of methothrin. According to the present invention, the safe and effective weeding agent has the reasonable formula, can well eliminate various weeds during vegetable growth processes, is safe and efficient, can effectively improve the yield and the quality of vegetables, and further has advantages of good drug degradation effect and less residue.
Owner:安徽新北卡化学有限公司

Acifluorfen and quizalofopethyl emulsifiable concentrate

The invention discloses acifluorfen and quizalofopethyl emulsifiable concentrate, which comprises the following components in percentage by mass: 1 to 4 percent of acifluorfen, 2 to 8 percent of quizalofopethyl, 2 to 6 percent of dodecyl calcium bensosulfonate, 2 to 10 percent of styrylphenol polyoxyethylene ether and 80 to 85 percent of dimethylaniline. In the invention, acifluorfen single agent, quizalofopethyl single agent and some filler are mixed in a certain ratio to form an acifluorfen and quizalofopethyl compound agent. The compound pesticide is a postemergence stem and leaf herbicide, has double functions of suction conduction and contact killing, can kill simple-leaf and double-leaf weed, has high weeding activity and broad weeding spectrum and exerts no influences on afterreap crops under normal use technical conditions.
Owner:王海林

A kind of mixed herbicide containing bentazone, acifluorfen and molinate and its application

The invention belongs to the field of herbicide, and discloses a mixed herbicide containing bentazone, acifluorfen and molinate, and application thereof. The herbicide comprises main effective components of bentazone, acifluorfen and molinate in a mass ratio of 0.1-80:0.1-80:0.1-80. The mixed herbicide of the invention has substantial effects on application to weeding after seedling in a rice field, especially application to control of gramineae weeds and broad leaf weeds in the rice field. Compared with a single dose, the herbicide of the invention, on the premise of enhancing drug effect, delays weed resistance, has a wide weeding spectrum and a long persistent period, and is safe to rice and later crops.
Owner:NANJING HUAZHOU PHARMA

Pre-emergence herbicide mixture applied to peanut field

The invention relates to a herbicide composition and in particular relates to a pre-emergence herbicide mixture applied to a peanut field. The composition is prepared from the following raw materials in parts by weight: 30-45 parts of lactofen, 30-45 parts of acifluorfen, 14-23 parts of pendimethalin, 14-22 parts of metolachlor and 8-10 parts of s-metolachlor. The herbicide composition is used for weeding by different manners; different tissue parts of weeds are used as absorption paths; the herbicide composition respectively takes effect on different target enzymes of the weeds by synthetic action of touching and killing, internally adsorbing and transmitting; the weeds can be removed at one time; the succession of weed communities and the herbicide resistance enhancement can be effectively avoided; the pollution to the environment and the threat on the crops and foods can be alleviated.
Owner:QINGDAO KANGHE FOOD

A kind of mixed herbicide containing bentazone, acifluorfen and cyhalofop-ethyl and its application

The invention belongs to the field of herbicides, and discloses a mixed herbicide containing bentazone, acifluorfen and cyhalofopbutyl and application thereof. The bentazone, the acifluorfen and the cyhalofopbutyl are used as main effective ingredients of the herbicide; the mass ratio of the bentazone, the acifluorfen and the cyhalofopbutyl is (0.1-80): (0.1-80): (0.1-80); and the total mass percentage composition of the bentazone, the acifluorfen and the cyhalofopbutyl in the herbicide is 1 to 85 percent. The mixed herbicide has remarkable effect on application of weeding in soybean field seedlings, particularly on application of preventing and weeding various gramineous or broadleaf weeds of soybean fields. Compared with a single agent, the herbicide delays the resistance of the weeds on the premise of improving the pesticide effect, and has wide weeding spectrum and long acting period; and the herbicide has safety on soybean and subsequent crops.
Owner:NANJING HUAZHOU PHARMA

Synthesis process of fluoroglycofen active compound

The invention discloses a synthesis process of a fluoroglycofen active compound. The fluoroglycofen active compound comprises 5-13 parts of ethyl acetate, 20-43 parts of acifluorfen, 10-15 parts of emulsifier, 15-19 parts of methyl oleate, 3-8 parts of caustic soda flake, 7-10 parts of paraquat, 8-15 parts of phenyl phenol polyoxyethylene ether and 30-50 parts of deionized water. By mixing ethyl acetate, acifluorfen, emulsifier, methyl oleate, caustic soda flake, paraquat, phenyl phenol polyoxyethylene ether and deionized water together according to a certain proportion, chemical reaction occurs, so that saving of time, quick action and high efficiency during dissolving are realized; a herbicide after being absorbed by weed can directly give play to effect to thoroughly kill the weed, so that convenience is brought to people's work.
Owner:枣阳市先飞高科农药有限公司

A kind of mixed herbicide containing bentazone, acifluorfen and sethenoxydim and its application

The invention belongs to the field of herbicides and discloses a mixed herbicide containing bentazone, acifluorfen and sethenoxydim and an application thereof. The herbicide uses bentazone, acifluorfen and sethoxydim as main active ingredients, and the mass ratio of bentazone, acifluorfen and sethoxydim is 0.1~80:0.1~80:0.1~80 , the total mass percentage of the three in the herbicide is 1-85%. The application of the mixed herbicide of the present invention in post-emergence weeding in soybean fields, especially in the application of controlling various gramineous or broad-leaved weeds in soybean fields has remarkable effects. Compared with a single dose, the herbicide of the present invention delays weed resistance, has a wide herbicide spectrum, long duration of action and is safe to soybeans and subsequent crops under the premise of improving the efficacy of a single agent.
Owner:NANJING HUAZHOU PHARMA

Preparation method of acifluorfen

The invention relates to the field of herbicides and specifically discloses a preparation method of acifluorfen. The acifluorfen is a compound shown by formula (1) in the specification. The method comprises the following steps: (1) dropwise adding the compound shown by formula (2) in the specification into an organic solvent containing alkali carbonate and the compound shown by formula (3) in the specification so that the compound shown by formula (3) contacts and reacts with the compound shown by formula (2) to obtain the compound shown by formula (4); and (2) performing alkaline hydrolysis and acidification of the compound shown by formula (4) to obtain the compound shown by formula (1). By adopting the preparation method, the target compound can be prepared with relatively high yield in relatively mild reaction conditions.
Owner:NUTRICHEM LAB CO LTD

Farm chemical soluble granules and preparation method thereof

The invention provides farm chemical soluble granules and a preparation method thereof. The mass content of effective components in the soluble granules is 60%-90%, and the effective components are one or a mixture of two of fomesafen, bentazone, imazamox, imazapic and acifluorfen-sodium. The soluble granules prepared by the invention have the advantages of high content, convenience in packaging and low transportation cost, and can be automatically dissolved in water, so that the farm chemical effect is greatly exerted; and no dust is generated in the production and use processes, so that thegranules are environment-friendly.
Owner:赵邦斌

Herbicide compound preparation for peanut field

The invention relates to a herbicide composition, and in particular relates to a herbicide compound preparation for a peanut field. The composition is prepared from the following raw materials in parts by weight: 25-35 parts of sethoxydim, 20-30 parts of clethodim, 18-23 parts of quizalofop-P-tefuryl, 14-20 parts of lactofen and 20-32 parts of acifluorfen. According to the herbicide composition, different acting ways are used for weeding, different tissue parts of weeds are taken as absorbing ways, and the herbicide composition respectively acts on different target enzymes of the weeds in a way of combining touch killing and intake transportation, so that the weeds can be removed once, the succession and the drug resistance enhancement of a weed community are effectively avoided, and the environmental pollution and the threat to crops and food safety can be reduced.
Owner:QINGDAO RUNXIN WEIYE TECH & TRADE

Method for preparing acifluorfen by catalyzing and nitrifying with solid super acid

The invention discloses a method for preparing acifluorfen by catalyzing and nitrifying with solid super acid and relates to a preparation method of a nitro compound. The method comprises the following steps of: reacting 3-[2-chlorine-4-(trifluoromethyl) phenoxyl] benzoic acid and fuming nitric acid under the catalysis of solid super acid for 1-20 hours at 20-80 DEG C in the presence of acetic anhydride in dichloroethane; filtering and recovering a solid super acid catalyst; and layering, drying and evaporating the solution to obtain an acifluorfen product. In the invention, the used solid super acid is a load type super acid using metallic oxides as carriers, wherein the carriers comprise iron sesquioxide, titanium dioxide and zirconium dioxide. Compared with the traditional mixed acid nitrification, the method has the advantages of high yield, good selectivity, easiness of product separation, catalyst recycling capability and low environmental pollution and has industrial application prospect.
Owner:NANJING UNIV OF TECH
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