14 results about "Clodinafop-propargyl" patented technology

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active component A and an active component B. The active component A is isoxafop-butyl, the active component B is any one of metamifop, cyhalofop-butyl, clodinafop-propargyl and pinoxaden, and the active component B is one of isoxafop-butyl, cyhalofop-butyl, clodinafop-propargyl and pinoxaden. The mass ratio of the active component A to the active component B is (1: 12)-(24: 1). The weeding composition disclosed by the invention is wide in weed control spectrum and can be used for comprehensively preventing and controlling various weeds in rice fields and wheat fields.

The invention belongs to the field of herbicides, and specifically discloses a green herbicide containing clofonate-mexyl and a preparation process thereof. The herbicide comprises clofonate-mexyl, a complexing agent, a synergistic complexing agent, a moisturizing agent, a safener, a surfactant and deionized water; the complexing agent is selected from one of oxalic acid, tartaric acid and sodium citrate; the synergistic complexing agent is selected from one of diethylenetriamine pentaacetic acid pentasodium and diethylenetriamine pentaacetic acid calcium sodium; the safener is clofonate-mexyl; the moisturizing agent is selected from one or more of isopropyl alcohol, trehalose and polyethylene glycol; the surfactant is selected from one or more of alkyl glycosides, cocamidopropyl betaine and N-acyl sarcosinate; the green herbicide does not contain an organic solvent, has no residue, has little harm to farmland and has low preparation cost.

The present invention provides a strain and application for degrading Quizalofop-PhD, which solves the technical problem that the degradation effect of Quizalofop-PhD by microorganisms in the prior art is poor. The present invention provides a strain and application for degrading Quizalofop-PhD, and the biological collection number is CGMCC No.31610; the strain is named MJ-8; the MJ-8 strain belongs to P. gigantea. The MJ-8 strain can effectively degrade Quizalofop-PhD to generate products with low or no toxicity. And the MJ-8 strain can grow in a culture medium containing Quizalofop-PhD, which shows that it can adapt to the presence of Quizalofop-PhD and can use Quizalofop-PhD as a carbon source for metabolism. This ability gives the MJ-8 strain huge application potential in the actual field of bioremediation, and the use of the MJ-8 strain for bioremediation can avoid the generation of secondary pollution. In addition, the degradation rates of the MJ-8 strain for clodinafop-butyl, high-efficiency fluazifop-butyl, cyhalofop-butyl, fluazifop-butyl and diclofenac all reached more than 90%, providing a basis for the application of the MJ-8 strain in agricultural soil pollution remediation.

The utility model discloses a kind of catalyst filtering devices suitable for clomazone synthesis, specifically related to filter equipment technical field, including cylinder, be located in the inlet pipe of cylinder top surface and be located in the outlet pipe of cylinder bottom surface, the inside of the cylinder is equipped with three mounting frames, and the inside of three mounting frames is equipped with the filter plate for clomazone synthesis catalyst filtering, the inside both sides of mounting frame are fixedly installed with plug-in block.The utility model discloses a kind of catalyst filtering devices suitable for clomazone synthesis, in actual work, staff will arm through processing mouth and enter the inside of cylinder, and push two dials to move in the way of mutually far away, limit rod can be pulled out from the limiting hole of filter plate, and then filter plate can be extracted from the inside of mounting frame, new filter plate is inserted into mounting frame through processing mouth, the quick replacement of filter plate can be completed, to effectively avoid the influence of filtering efficiency due to the slow filter plate replacement speed.

The invention belongs to the technical field of pesticide weeding, and discloses a halauxifen-methyl-containing weeding composition and application thereof, the active ingredients in the weeding composition comprise halauxifen-methyl, clodinafop-propargyl and carfentrazone-ethyl, and the mass ratio of halauxifen-methyl to clodinafop-propargyl to carfentrazone-ethyl is 1: (0.01-50): (0.01-50). According to the weeding composition disclosed by the invention, compounds with different action mechanisms are reasonably compounded, so that the weeding spectrum is expanded, the weeding efficiency is improved, the resistance risk is reduced, the dosage of a single component is reduced, the safety of crops is obviously improved, and the weeding composition is safe to the environment.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active component A and an active component B. The active component A is isoxafop-butyl, the active component B is any one of metamifop, cyhalofop-butyl, clodinafop-propargyl and pinoxaden, and the active component B is one of isoxafop-butyl, cyhalofop-butyl, clodinafop-propargyl and pinoxaden. The mass ratio of the active component A to the active component B is (1: 12)-(24: 1). The weeding composition disclosed by the invention is wide in weed control spectrum and can be used for comprehensively preventing and controlling various weeds in rice fields and wheat fields.

This invention relates to the field of pesticide technology, specifically to a herbicidal composition containing dichloroisoxane and clodinafop-propargyl and its application in controlling agricultural weeds, wherein the weight ratio of dichloroisoxane to clodinafop-propargyl in the composition is 1:0.03-32. The composition can significantly reduce herbicide damage to crops and has a synergistic effect on weeds, making it an ideal herbicide.

The present application relates to a kind of herbicidal composition suitable for low temperature environment, including herbicidal active ingredient A, herbicidal active ingredient B and pyrrolidone carboxylate;The herbicidal active ingredient A is glufosinate ammonium or glufosinate-P, and the herbicidal active ingredient B is butroxydim.The present application uses pyrrolidone carboxylate (especially sodium pyrrolidone carboxylate), glufosinate ammonium / glufosinate-P and butroxydim in combination, utilizes the synergistic effect of two different action mechanisms of herbicide active ingredient and sodium pyrrolidone carboxylate, and then the herbicidal activity of glufosinate ammonium / glufosinate-P at low temperature is improved to 2 times and more than the prior art.

The application discloses application of a herbicide containing fluazifop-butyl and a safener in preventing and treating weeds in rice fields, wherein the herbicide takes fluazifop-butyl and the safener as effective components, and the mass ratio of the fluazifop-butyl and the safener is 1:0.25-1:100. The herbicide has not been used in the rice field, and thus there is no drug resistance to the main weeds, such as barnyard grass and leafflower, in the rice field. In addition, the herbicide has high activity, and the minimum 10 ghm ‑2 The fluazifop-butyl can prevent weeds, and it can be inferred that there is no cross-resistance between the fluazifop-butyl and other ACC herbicides commonly used in the rice field.

The invention discloses a preparation method of pillararene grafted cyclodextrin double-macrocyclic chiral filler and application of the pillararene grafted cyclodextrin double-macrocyclic chiral filler in chiral pesticide separation. According to the filler, p-brominated pillararene and beta-aminopropyl cyclodextrin are covalently grafted to aminopropyl silica gel, and a double-macrocyclic structure with multiple chiral recognition sites is formed. The preparation process comprises catalytic condensation synthesis of brominated pillararene and double-macrocyclic bonding reaction on the surface of silica gel. The filler has high selectivity, multi-mode compatibility (both normal phase and reverse phase can be used) and excellent stability. The method is particularly suitable for enantiomer resolution of triazole (propiconazole and triazolone) and ester (clodinafop-propargyl) pesticides, and an efficient separation tool is provided for environmental behavior research and safety evaluation of chiral pesticides. The method is simple and convenient in process and low in cost, solves the problems of insufficient selectivity and narrow solvent application range of the existing chiral filler, and has industrial application potential.

This invention belongs to the field of agricultural chemistry and relates to a biphasic herbicidal dispersible oil suspension and its preparation method. The formulation consists of an oil phase A and a nano-aqueous phase B. Oil phase A contains a ternary compound herbicide of mesosulfuron-methyl, diflubenzuron, and clodinafop-propargyl, as well as safener A. Nano-aqueous phase B contains safener B, a hydrophilic co-solvent, and an aqueous phase adjuvant, ensuring that safener A is primarily distributed in the oil phase and safener B is primarily distributed in the aqueous phase, synergistically with a specific oil phase solvent, emulsifier, and polymer dispersion system. A pre-dispersion and sand milling process is used to obtain a biphasic fine-particle structure of oil droplets and nano-aqueous phase, maintaining good dilution and storage stability under high active ingredient loading conditions, while significantly reducing phytotoxicity to wheat and improving the control efficacy and duration of action against grasses and broadleaf weeds in wheat fields.

This invention discloses a method for preparing a column aromatics-grafted cyclodextrin bicyclic chiral packing material and its application in the separation of chiral pesticides. This packing material separates brominated column aromatics from... β -Aminopropyl cyclodextrin is covalently grafted onto aminopropyl silica gel to form a bicyclic macrocyclic structure with multiple chiral recognition sites. The preparation process includes the catalytic condensation synthesis of brominated columnar aromatics and the bicyclic macrocyclic bonding reaction on the silica gel surface. This packing material exhibits high selectivity, multi-mode compatibility (can be used in both normal and reverse phases), and excellent stability. It is particularly suitable for the enantiomeric resolution of triazoles (propiconazole, triadimefon) and esters (clodinafop-propargyl), providing an efficient separation tool for the environmental behavior study and safety evaluation of chiral pesticides. This invention features a simple process and low cost, solving the problems of insufficient selectivity and narrow solvent applicability of existing chiral packing materials, and has the potential for industrial application.

The present invention discloses the application of the GSTF2 gene of Glechoma longituba in improving the herbicide resistance of plants and a method for improving the herbicide resistance of plants, and belongs to the technical field of molecular biology. The nucleic acid sequence of the GSTF2 gene of Glechoma longituba described in the present invention is shown in SEQ ID NO:1, and the amino acid sequence encoded by it is shown in SEQ ID NO:2. The CDS sequence of the gene is transformed into rice, and it is found that the rice with the GSTF2 gene of Glechoma longituba has different degrees of resistance to fenoxaprop-butyl, clodinafop-butyl, clethodim, and pinoxaden. Therefore, the rice with the GSTF2 gene of Glechoma longituba has the characteristics of herbicide resistance, which lays the foundation for cultivating new varieties of wheat and rice with herbicide resistance.

The present disclosure relates to a process for producing propaquizafop. The process of the present disclosure is carried out under mild reaction conditions. Furthermore, the process of the present disclosure is a one-step synthesis. Furthermore, the process of the present disclosure is simple, cost-effective, and environmentally friendly, and produces propaquizafop with comparatively better purity and yield.