19 results about "Pyrimethanil" patented technology

This invention discloses a herbicidal composition and its application. The composition comprises active ingredient A and active ingredient B, wherein active ingredient A is a compound of formula (I), and active ingredient B is selected from either flufenoxuron or pyrimethanil. The mass ratio of active ingredient A to active ingredient B in the composition is 1:20-10:1. This invention also relates to the use of the herbicidal composition in controlling the germination or growth of weeds in useful plants, particularly suitable for controlling the germination or growth of weeds in peanut fields.

The present application relates to the technical field of pesticides, in particular to a kind of pyraclostrobin and prochloraz microemulsion and its preparation method and application, by weight percentage, including: pyraclostrobin 5-20%, prochloraz 20-40%, emulsifier 10%-34%, fertilizer compatible agent 6%-10%, solvent 5%-12%, cosolvent 8-15%, deionized water is made up to 100%.By adopting pyraclostrobin and prochloraz as effective active ingredients, under the action of specific emulsifier, fertilizer compatible agent, solvent and cosolvent, a microemulsion product with good pharmaceutical properties is obtained, which can cope with high and low temperature environment, adapt to various regional environments, transportation conditions and storage conditions, and the raw material is environmentally friendly, effectively reducing soil pollution, and has important significance for application in industry.

The invention relates to the technical field of pesticides, in particular to a suspending agent containing oxathiapiprolin and ametoctradin as well as a preparation method and application of the suspending agent. The bactericidal composition comprises the following components in percentage by weight: 1-20% of oxathiapiprolin, 1-40% of ametoctradin, 2-8% of a dispersing agent, 2-8% of an anti-freezing agent, 0.5-3% of a thickening agent, 0.1-1% of a stabilizer, 0.1-2% of an auxiliary agent and the balance of deionized water, the auxiliary agent comprises at least one of a bactericide and a defoaming agent. The dispersing agent comprises a polycarboxylate dispersing agent and a naphthalene sulfonate dispersing agent, so that the heat storage performance and the cold storage performance of the suspending agent can be improved, and meanwhile, the contact angle and the rolling angle are reduced; by limiting the weight ratio of the polycarboxylate dispersing agent to the naphthalene sulfonate dispersing agent to be 1: (1-3), after the suspending agent is thermally stored for 2 days at 54 DEG C, the suspension rate and the screen analysis rate can both reach 100%, and after the suspending agent is cold stored for one week at 0 DEG C, the suspension rate and the screen analysis rate can both reach 100%.

This invention discloses a pyrimethanil hapten, an artificial antigen, and their preparation methods and applications. The structural formula of the pyrimethanil hapten is shown below. The arm introduced in this invention not only possesses an active group but also fully retains the benzene ring and dimethylpyrimidine ring structure of the target analyte, enhancing the recognition site. The pyrimethanil artificial antigen and monoclonal antibody of this invention exhibit high specificity for ELISA detection, with an IC50 rating of [missing information]. 50 The value is 1.97 μg / L, which is better than existing monoclonal antibodies. It can be used in colloidal gold immunochromatography to rapidly and conveniently detect pyrimethanil. The colloidal gold immunochromatographic test strip prepared in this invention has a detection sensitivity of 10 μg / L for pyrimethanil.

The invention discloses a weeding composition containing oxazole sulcotrione and application of the weeding composition, and relates to the field of pesticides, the effective components of the weeding composition comprise a herbicide A and a herbicide B. The herbicide A is the oxazole sulcotrione, and the herbicide B is an ALS inhibitor; the weight ratio of the herbicide A to the herbicide B is (1-80): (80-1); the ALS inhibitor is selected from one or more of penoxsulam, pyribenzoxim, bispyribac-sodium, pyriminobac-methyl, bensulfuron methyl, pyrazosulfuron methyl, halosulfuron-methyl, metazosulfuron methyl, triafamone, flucetosulfuron and propyrisulfuron methyl. According to the composition disclosed by the invention, the oxazole sulcotrione is compounded with two medicaments with different mechanisms, so that the composition has an obvious gain effect on preventing and removing weeds such as barnyard grass and the like in a paddy field, and the usage amount of active ingredients can be reduced.

The invention discloses a composite herbicide containing halauxifen-methyl and pyraclonil and a preparation method thereof, and belongs to the technical field of herbicides. The preparation method of the composite herbicide comprises the steps of preparation of an oil phase, formation of a microemulsion, preparation of an organic phase loading unit, construction of a core-shell structure and post-treatment, the core of the obtained composite herbicide adopts a microemulsion micelle containing halauxifen-methyl, and the outer layer is a quaternized cyclodextrin shell layer loaded with pyraclonil and a synergist. The composition of the active components of the two herbicidal drugs can significantly improve the weed control effect, realizes rapid contact killing and eradication of weeds, and expands the types of weeds to be controlled. The core-shell structure can control the release speed of the halauxifen-methyl, so that the lasting period is ensured, the phytotoxicity risk of a concentration peak value is avoided, the weed killing speed of the compound herbicide is increased, the safety of the herbicide is greatly improved, and the compound herbicide with high prevention and removal efficiency and high safety is obtained.

The invention provides an amidase mutant and application thereof in preparation of (S)-penthiopyrad, and belongs to the technical field of gene engineering and enzyme catalysis. Compared with amidase with an amino acid sequence as shown in SEQ ID No.1, the amidase mutant disclosed by the invention comprises one or more site mutations as follows: alanine at the 132 site is mutated into leucine; serine at the 205th site is mutated into glycine; the alanine at the 211 site is mutated into glycine. Compared with wild amidase, the amidase mutant disclosed by the invention has the advantages that the enzyme activity and stereoselectivity are obviously improved; the preparation method based on the mutant is mild in process and simple and convenient to operate, and the obtained (S)-penthiopyrad has excellent chiral selectivity and product optical purity, conforms to the development trend of green pesticide creation and has important industrial application value.

The invention refers to a fungicide mixture comprising the biocides thiabendazole (TBZ), pyrimethanil (PYM) and fludioxonil (FDL), wherein the total amount of FDL based on the entire amount of biocidal actives is greater than 2 wt. %.

The invention relates to a hybridoma cell strain secreting a thifluzamide monoclonal antibody and application of the hybridoma cell strain, and belongs to the technical field of immunodetection. The monoclonal antibody secreted by the hybridoma cell strain has good sensitivity and specificity to thifluzamide, and the IC50 value of the monoclonal antibody to thifluzamide is 0.42 ng / mL and is far lower than the minimum IC50 value of an existing monoclonal antibody. The monoclonal antibody provided by the invention has no cross reaction on structural analogues of thifluzamide, such as furoxime amide, flutolanil, fluazifop-p-butyl, hexaflumuron, acifluorfen and pyrimethanil, and has good specificity, so that the thifluzamide with low concentration can be accurately detected.

This invention discloses a difluoromethylpyrimidine-substituted 1,3,4-oxadiazole derivative for the prevention and control of pathogenic fungi in edible fungi, its preparation method, and its application. It relates to the field of biochemistry, and the key technical points are: through rational molecular design, a class of thioether derivatives (6a-6t) with difluoromethylpyrimidine as the parent nucleus and 1,3,4-oxadiazole as the active terminal group were constructed, and their inhibitory activity against *Trichoderma* and *Mucor* was systematically studied. The results show that some compounds exhibit superior EC50 activity compared to the commercially available fungicide pyrimethanil. 50 It has high value, and the synthesis process is simple and controllable, showing good development prospects.

The invention discloses application of pyrimethanil in prevention and treatment of pathogenic fungi of crops. The pyrimethanil has excellent bacteriostatic activity on pathogenic fungi of crops, and can be used for preventing and treating diseases caused by the pathogenic fungi of important economic crops such as vegetables, tea trees, rice, fruit trees and the like. According to the application disclosed by the invention, the pyrimethanil is found to have a remarkable antibacterial effect on pathogenic fungi such as trichospora fistula, corynespora cassiicola and the like; the bactericidal composition can be compounded with berberine according to a ratio of 1: 2 or 2: 1, or compounded with luteochlorin according to a ratio of 2: 1, and has a synergistic effect in prevention and treatment of corynespora cassiicola. The pyrimethanil disclosed by the invention can delay the generation of drug resistance of germs, expand the bactericidal spectrum of pesticides and reduce the pollution of the pesticides to the environment, conforms to the policy of pesticide reduction and synergism in China, and has a wide application prospect in the field of crop disease control.

This invention belongs to the field of pesticide weeding technology, and discloses a weeding composition and its application. The weeding composition comprises active ingredient A and active ingredient B. Active ingredient A is isoxaflutole or isoxaflutole methyl ester, and active ingredient B is any one of pyrimethanil, pyrimifluridine, or bispyribac-sodium. The mass ratio of active ingredient A to active ingredient B is 1:6 to 12:1. The weeding composition of this invention has a significant synergistic effect on weeds in paddy fields.

This invention provides a herbicidal composition containing benzoxam, wherein the active ingredients comprise active ingredient A and active ingredient B; the mass ratio of active ingredient A to active ingredient B is 1:10-10:1; active ingredient A is benzoxam, and active ingredient B is one or both of pyrimethanil and propyzoxystrobin. This herbicidal composition exhibits a significant synergistic effect, significantly improving the herbicidal efficacy of the herbicide, reducing the dosage required, slowing the development of pesticide resistance, and mitigating environmental pollution. This herbicidal composition can be used for weed control in non-cultivated land, demonstrating excellent herbicidal efficacy.

The invention belongs to the technical field of pesticides, and relates to a special auxiliary agent suitable for preparing a prochloraz-containing soluble concentrate. The auxiliary agent comprises 30-50% of lanolin alcohol polyoxyethylene ether, 5-15% of cocamidopropyl dimethyl tertiary amine, 1-5% of perfluorononenoxy sodium benzenesulfonate, and the balance of one or more solvents selected from cyclohexanone, n-butanol and isobutanol. The auxiliary agent provided by the invention is suitable for preparation of a soluble concentrate containing 5-25% of prochloraz, and is especially suitable for storage and use at low temperature.

This invention provides an amidase mutant and its application in the preparation of ( S The application of pyrimethanil belongs to the fields of genetic engineering and enzyme catalysis technology. Compared with the amidase shown in SEQ ID No. 1, the amidase mutant of this invention contains one or more mutations at the following sites: alanine at position 132 is mutated to leucine; serine at position 205 is mutated to glycine; alanine at position 211 is mutated to glycine. Compared with wild-type amidase, the enzyme activity and stereoselectivity of the amidase mutant of this invention are significantly improved; based on the mild and simple preparation method of this mutant, the obtained ( S )-Pyrimethanil possesses excellent chiral selectivity and product optical purity, which aligns with the development trend of green pesticide creation and has significant industrial application value.

The application discloses a kind of feed in enoxamium, pyrimethanil and / or triazolopyrimidines novel herbicide determination method and application.Belongs to pesticide residue detection technical field.The application provides a kind of feed in enoxamium, pyrimethanil and triazolopyrimidines novel herbicide determination method, based on dispersive solid phase extraction pretreatment technology, without solid phase extraction column, and the reagent cost used is low, realizes the effective purification and enrichment of three kinds of novel herbicides, combined with ultra-high performance liquid chromatography tandem mass spectrometry UPLC-MS / MS can be quickly, accurately determine whether the animal feed contains pyrimethanil, enoxamium and triazolopyrimidines herbicide and corresponding residual amount, the method is high in sensitivity, good in special property, detection result is accurate and reliable, for enoxamium, pyrimethanil and triazolopyrimidines this three kinds of novel herbicide simultaneous detection provides technical support.

The invention belongs to the technical field of pesticide mite killing, and discloses a mite killing composition and application thereof.The mite killing composition comprises an active ingredient A and an active ingredient B. The active ingredient A is a compound shown in the formula I, the active ingredient B is any one of pyrimidifen, tebufenpyrad and fenazaquin, and the mass ratio of the active ingredient A to the active ingredient B is 1: 50-64: 1. The acaricidal composition disclosed by the invention has an obvious synergistic effect on multiple phytophagous harmful mites, the use amount of pesticides is effectively reduced, and the pollution to the environment is reduced.

A mixture for killing pests, comprising, as the active compound, A) an ethyl sulfone compound having formula (I) and B) At least one additional compound B, selected from fipronil, λ-cyhalothrin, bifenthrin, heptafluthrin, α-cyhalothrin, thiamethoxam, thiamethoxam, acetamiprid, imidacloprid, dinotefuran, trifluralin, dithiamethoxam, spinosad, ethyl spinosad, abamectin, bispyribac-methyl, indoxacarb; cyfluthrin, methoxypiperazine ethyl ester, dispirenil, chlorantraniliprole, brofenoxuronamide, tetrazolium acetonitrile, cyclobromhizobium acetonitrile, brofenoxuron dimethoate; pyrimethanil, M.UN.1: 1-[6-(2,2-difluoro-7-methyl-[1,3]m-dioxacyclopenten[4,5-f]benzimidazol-6-yl)-5-ethylsulfonyl-3-pyridyl]cyclopropaneformonium, M.UN.2: 6-(5-cyclopropyl-3-ethylsulfonyl- 2-pyridyl)-2,2-difluoro-7-methyl-[1,3]m-dioxacyclopenten[4,5-f]benzimidazole; and difenoconazole, prothioconazole, fenbendazole, tebuconazole, chlorfluazuron, cymoxanil, fluopyram, tetrazoxystrobin, azoxystrobin, oxadiazon, azoxystrobin, fluopyram, fluopyram, fluopyram, fluopyram, fluopyram, isopropoxystrobin, trifluoropyridamole, fluthiazolinone, flusaprolin, metalaxyl, tetrazoxystrobin, fludioxonil, thiophanate-methyl; these mixtures are used to combat invertebrate pests such as insects, arachnoides or nematodes inside and on the surface of plants, and for the protection of such plants, especially for the protection of plant propagation material such as seeds from pest infestation.