8 results about "Sulfentrazone" patented technology

Provided are a herbicidal composition having excellent control effect on weeds and a method for controlling weeds. The herbicidal composition comprising one or more PPO-inhibiting herbicides selected from the group consisting of flumioxazin, flumiclorac-pentyl, lactofen, carfentrazone-ethyl, sulfentrazone, tiafenacil, trifludimoxazin, and a compound represented by the following formula (I):wherein X represents CH or a nitrogen atom, and Z represents CH or a nitrogen atom, and glufosinate or a salt thereof, wherein a weight ratio of the PPO-inhibiting herbicide to the glufosinate or a salt thereof is 1:150 to 1:700.

The present invention belongs to the field of pesticides, and specifically relates to a herbicidal composition and the use thereof. The composition comprises a herbicidally effective amount of an active ingredient A and an active ingredient B, wherein the active ingredient A is; and the active ingredient B is selected from one or more of the following compounds or acids / esters / salts thereof: diflufenican, picolinafen, fluridone, fenpyrazone, saflufenacil, flumioxazin, sulfentrazone or. The composition can effectively control problems of gramineous weeds, cyperaceous weeds, broadleaf weeds, etc., and exhibits characteristics of an expanded herbicidal spectrum, a reduced application dosage, the ability to produce a synergistic effect, effectiveness in controlling resistant weeds, etc.

The invention discloses a weeding composition containing sulfentrazone and pyroxasulfone and a use method of the weeding composition, the weeding composition comprises a sulfentrazone microcapsule and a pyroxasulfone microcapsule, the particle size of the sulfentrazone microcapsule is 10-20 microns, and the particle size of the pyroxasulfone microcapsule is 30-50 microns; the two kinds of capsules are distributed in an up-down double-layer mode in the preparation through a centrifugal layering technology. The upper-layer rapidly-released sulfentrazone can timely prevent and remove early-stage germinated weeds, and the lower-layer slowly-released pyroxasulfone continuously inhibits the growth of later-stage weeds, so that the whole-course protection of early-stage rapid weed control and later-stage long-acting weed suppression is realized, and the trouble of repeated prevention and removal of weeds in different growth stages is avoided; according to the invention, processing of multiple dosage forms and two treatment modes of stems, leaves and soil are supported, flexible adjustment can be realized according to crop types and weed conditions, the stability and dispersity of the pesticide are improved through reasonable matching of an auxiliary agent and a microcapsule wall material, and pesticide application parameters and dosage are controlled accurately, so that the pesticide effect is guaranteed, and the influence on crops and the environment is reduced.

The invention belongs to the field of pesticides, and particularly relates to a weeding composition and application thereof. The composition comprises an active component A and an active component B with effective weeding amounts, the active ingredient A is an active ingredient B, and the active ingredient B is selected from one or more of diflufenican, diflufenican, fluridone, toprazole fluridone, saflufenacil, flumioxazin and sulfentrazone. The composition can be used for effectively preventing and removing the problems of gramineous weeds, cyperaceae weeds, broadleaf weeds and the like; the herbicide composition has the characteristics of expanding the herbicide controlling spectrum, reducing the application amount, generating a synergistic effect, solving resistant weeds and the like.

The utility model relates to the technical field of mesosulfuron-methyl synthesis, and particularly discloses a mesosulfuron-methyl nitration reaction device, which comprises a reaction kettle, a feed inlet and a waste gas outlet are arranged on the top of the reaction kettle, a discharge port is arranged at the bottom of the reaction kettle, and a detachable sealing cover is installed on the discharge port through a threaded connection mode; a spiral propelling type stirrer is vertically arranged in the reaction kettle, the spiral propelling type stirrer comprises a stirring shaft and spiral blades that are continuously distributed along the stirring shaft from top to bottom, the distance between the outer edge of the spiral blade and the inner wall of the reaction kettle is 5-8 mm, a polytetrafluoroethylene coating with a thickness of 0.2-0.5 mm is coated on the surface of the spiral blade, and a motor is coaxially and fixedly connected to the driving stirring shaft on the top of the reaction kettle; through the cooperation of the spiral propelling type stirrer and the polytetrafluoroethylene coating, the gradient temperature control of the multi-stage variable-diameter cooling coil, the precise distribution of the 40-degree inclined atomizing nozzle, and the synergistic design of the pH closed-loop discharge control, the nitration reaction efficiency and the product purity are significantly improved.

The application discloses a microcapsule suspension-suspension agent containing isoxaben and sulfentrazone, a preparation method and application thereof, and relates to the field of pesticides, and comprises isoxaben microcapsule suspension agent and sulfentrazone suspension agent mixed according to a mass ratio of 1:(0.1-10). The isoxaben microcapsule suspension agent comprises the following raw materials: isoxaben 5-50 parts by weight, solvent oil 2-10 parts by weight, oil-phase wall material 0.4-5 parts by weight, dispersant 1-8 parts by weight, water-phase wall material 0.1-1 part by weight and water 25-80 parts by weight. The sulfentrazone suspension agent comprises the following raw materials: sulfentrazone 5-50 parts by weight, dispersant 1-8 parts by weight and water 45-96 parts by weight. The dispersant is at least one of sodium lignosulfonate and polycarboxylate. The application can ensure that isoxaben and sulfentrazone are compounded, and the two can stably exist after being mixed, and meanwhile, the drawbacks of isoxaben drift and phytotoxicity in use are solved.

The present disclosure provides a herbicidal composition comprising: pendimethalin in an amount ranging from 20% to 32% w / w; sulfentrazone in an amount ranging from 8% to 15% w / w; one herbicide selected from: metribuzin, chlorimuron ethyl, and imazethapyr, said one herbicide being in an amount ranging from 0.2% to 12% w / w; and one or more agrochemically acceptable excipients. The present disclosure further relates to a method for controlling unwanted vegetative herbs by applying an effective amount of said herbicidal composition and formulations thereof.