14results about How to "Reduce drug damage" patented technology

The invention discloses a pyriproxyfen microcapsule suspending agent. The pyriproxyfen microcapsule suspending agent is prepared from the following raw materials in percentage by weight: 8 to 12 percent of pyriproxyfen, 1 to 3 percent of isocyanate, 0.1 to 0.5 percent of polyamine and the balance of deionized water. Compared with the traditional dosage form, the pyriproxyfen microcapsule suspending agent has the advantages that the toxicity of aquatic organisms can be obviously reduced; the field dosage can be greatly reduced, the environmental pollution and pesticide residues are effectively reduced, and the production and use cost is reduced; the dosage form of the microcapsule suspending agent accords with the trend of future agricultural environmental protection development; the smell can be reduced, the pesticide effect is improved, and the lasting period is prolonged.

The invention relates to the technical field of pesticides, in particular to a composition containing fluxazole amide and chlorfluazuron as well as a preparation method and application of the composition. The invention relates to a composition containing fluxazole amide and chlorfluazuron, which is prepared from the following preparation raw materials in parts by mass: 10 to 12 parts of active ingredients, 4 to 6 parts of composite surfactants, 2 to 3 parts of ethylene glycol, 4 to 5 parts of bio-based thickening adsorbents, 0.3 to 0.5 part of defoaming agents, 4 to 5 parts of synergists, 2 to 3 parts of dispersing agents, 0.5 to 0.8 part of preservatives, 5 to 6 parts of propylene glycol methyl ether acetate and 65 to 70 parts of water, wherein the active component is prepared by mixing fluxazole amide and chlorfluazuron according to a mass part ratio of (6 to 8): (4 to 6), and the synergist is a modified siloxane surfactant. The composition containing fluxazole amide and chlorfluazuron provided by the invention has the advantages of synergistic interaction, high selectivity, environmental compatibility, environmental pollution reduction, cost saving and the like in the aspect of preventing and treating beet armyworms, and is a safe, efficient and environment-friendly novel pesticide.

The invention discloses an iron-based modifier capable of rapidly degrading farmland soil pesticides and an application method of the iron-based modifier. The iron-based modifier comprises 85-95 parts of industrial micron iron powder and 5-15 parts of nitrogen and sulfur doped biochar. The application method of the iron-based modifier comprises the steps that firstly, the iron-based modifier is spread to the surface layer of farmland soil, ploughing and uniform mixing are conducted, and the concentration of the iron-based modifier is 0.25-1.0 g / kg; then irrigating the farmland, covering a film, preserving moisture, isolating oxygen, maintaining for 5-7 days, and uncovering the film; after the water naturally drops, the crop seeds are sown into the soil, and water and fertilizer management is carried out until harvesting is carried out. The iron-based modifier disclosed by the invention can be used for remarkably reducing the content of pesticides in farmland soil and subsequent crops and rapidly reducing the phytotoxicity of residual pesticides in the soil to the crops, and the soil remediation efficiency is high.

The invention provides a pesticide adjuvant composition containing lipoids and application of the lipoids. The pesticide adjuvant composition disclosed by the invention comprises the lipoid, can be matched with a pesticide for use, and improves the permeability and wettability of the pesticide by reducing the surface tension of the pesticide, so that the action effect of the pesticide is enhanced, and the phytotoxicity caused by improper use of the pesticide can also be reduced.

The invention discloses an application method of extract of Picrasma quassioides (D. Don) Benn., a plant of the family Quassioides, in alleviating the phytotoxicity of hormone herbicides to rice, comprising the following steps: step 1: crushing the Quassioides, passing through a 40-100 mesh sieve, extracting with a solvent and concentrating to obtain a paste extract; step 2: applying the paste extract and a composition thereof to crops. The Quassioides extract of the invention can enhance the tolerance of crops to herbicides to improve the selectivity of herbicides, can be used to prepare herbicide safeners, and can protect crops from the toxicity of herbicides to a certain extent, and improve the selectivity of herbicides by enhancing the tolerance of crops to herbicides, without affecting the sensitivity of target weeds to herbicides.

The invention discloses a rapid propagation method for a hybrid orchid seedling of a cymbidium orchid and a cymbidium orchid, including hybrid breeding, seed treatment, seed germination, cluster bud induction and rooting culture procedures, selecting cymbidium orchid and a cymbidium orchid for hybrid breeding according to a conventional method, using the obtained hybrid seeds as explants, cleaning and disinfecting the explants, and then sequentially inoculating them in a primary culture medium, an induction culture medium and a rooting culture medium, and culturing them in a suitable environment, and finally obtaining hybrid orchid seedlings of a cymbidium orchid and a cymbidium orchid. The invention adopts pollen pollination at an optimal time stage to improve the fruit setting rate, adopts a high-efficiency and low-toxicity disinfectant to reduce the contamination rate of the explant, and minimizes the effect of the disinfectant on the growth of the explant, selects a suitable culture medium for different growth stages of the hybrid orchid of a cymbidium orchid and a cymbidium orchid, shortens the production and seedling raising cycle, preserves the excellent characteristics of the individual plants to the greatest extent, and promotes the large-scale development of hybrid orchid seedling breeding.

The embodiment of the present invention discloses a water-emulsifiable paste for preventing and controlling resistant grass weeds in rice fields and a preparation method thereof. The paste comprises, by weight percentage: 1-4% Tolpyralate, 12.5-50% Diquat, 3-5% Cloquintocet-mexyl, 10-30% emulsifier, 5-10% dispersant, 0.1-0.5% defoamer, and the remainder is a carrier; wherein the mass ratio of Tolpyralate, Diquat and Cloquintocet-mexyl is 1.8-2.1:24-26:3-5. The paste provided by the present invention can effectively prevent and control resistant grass weeds in rice fields, is safe for rice, and has a very high market value, so as to solve the problems of poor safety, waste of resources, harm to the environment, and incomplete weed killing encountered by existing agents in the process of preventing and controlling resistant grass weeds in rice fields.

The utility model discloses a kind of rice herbicide spraying devices, belong to spraying device field, including rack, sliding block, guide light axis, fish eye bearing, the inside installation of rack has adjusting unit, spraying mechanism, the adjusting unit includes motor, two-way screw rod, bearing seat, adjusting sliding block, limiting nut, pin shaft, one side installation of motor has two-way screw rod, two-way screw rod is installed between two bearing seats, the surface of two-way screw rod is connected with adjusting sliding block and limiting nut, the inside installation of adjusting sliding block has pin shaft, the spraying mechanism includes main cross bar, nozzle, rectangular clamping groove, the surface of main cross bar is equidistant and has been opened with multiple groups of cylindrical groove, nozzle is installed in cylindrical groove, the surface of nozzle is connected with rectangular clamping groove;Through the cooperation between above each device, different rice varieties, different growth stages of row distance change can be quickly adapted, ensure that herbicide is accurately sprayed in rice row, reduce the drug damage to rice plant, improve weeding effect.

The present application relates to the field of pesticide technology, and in particular to a composition containing fluorine oxazolidinone and chlorpyrifos, and a preparation method and application thereof. A composition containing fluorine oxazolidinone and chlorpyrifos, by mass, includes the following raw materials: 10-12 parts of active ingredients, 4-6 parts of composite surfactants, 2-3 parts of ethylene glycol, 4-5 parts of bio-based thickening adsorbents, 0.3-0.5 parts of defoamers, 4-5 parts of synergists, 2-3 parts of dispersants, 0.5-0.8 parts of preservatives, 5-6 parts of propylene glycol methyl ether acetate, and 65-70 parts of water; wherein the active ingredient is prepared by mixing fluorine oxazolidinone and chlorpyrifos with a mass ratio of (6-8): (4-6), and the synergist is a modified siloxane surfactant. The present application provides a composition containing fluorine oxazolidinone and chlorpyrifos, which has the advantages of synergistic enhancement, high selectivity, environmental compatibility, reduced environmental pollution, and cost savings in the prevention and control of beet armyworms, and is a safe, efficient, and environmentally friendly new pesticide.

The invention discloses a plant growth regulator degradation strain DL-D2 and an application thereof. The degradation strain DL-D2 is identified as Cupriavidus agavae, has been deposited in the China Center for Type Culture Collection, and the deposit time is May 5, 2023, and the deposit number is CCTCC NO:M 2023677. The degradation strain DL-D2 obtained by separation and screening in the invention can effectively degrade the plant growth regulator 4-chlorophenoxyacetic acid sodium; the degradation rate of 50 mg / L plant growth regulator 4-chlorophenoxyacetic acid sodium can reach 100% within 24 hours, and the problem of harm of 4-chlorophenoxyacetic acid sodium residue to soil and water environment, crops and human health is effectively solved.

The invention belongs to the technical field of pesticide mite killing, and discloses a propargite-containing mite killing composition and application thereof.The propargite-containing mite killing composition comprises an active component A and an active component B. The active component A is a compound shown in the formula I: # imgabs0 # (the formula # imgabs1 # is shown in the description, the active component B is propargite, and the mass ratio of the active component A to the active component B is 1: 50-42: 1. The acaricidal composition disclosed by the invention has an obvious synergistic effect on common plant mites, and meanwhile, the phytotoxicity of crops is reduced.

The application discloses a synergistic glufosinate-ammonium aqueous agent and a preparation method thereof, and belongs to the field of pesticide preparations. In the glufosinate-ammonium, phycocyanin is added to promote absorption of light energy and transmission of light energy, adenosine triphosphate is added to promote leaf respiration, and alkyl polyglycoside and cocamide propyl betaine are added to have wetting and spreading effects. After application, photosynthesis and respiration of plants can be significantly improved, the glufosinate-ammonium can penetrate the cuticle and wax layer into weeds, thereby effectively improving the absorption of the glufosinate-ammonium by the plants, accelerating the exertion of the drug efficacy, and improving the low-temperature weeding activity of the glufosinate-ammonium aqueous agent.

The present invention discloses a method for treating red mud soil. The present invention performs red mud soil remediation through processes such as red mud soil pretreatment, red mud soil improvement and red mud soil plant remediation. Modified sodium alginate is modified by a modifier, polyethylene glycol is modified by a grafting agent, and the two are mixed to prepare modified sodium alginate; humic acid is coated with the modified sodium alginate as a carrier, and mixed with biochar to prepare a soil conditioner, and the soil conditioner and other raw materials are then applied to red mud soil. Compared with the prior art, the treatment method of the present invention enables the treated red mud soil to have the advantages of good water resistance and slow release of nutrients, which is beneficial to prolonging plant growth time.

The invention relates to the technical field of summer black grape planting, and particularly provides a summer black grape fruit expanding method. The gibberellin and the forchlorfenuron are combined and compounded into the summer black grape fruit swelling agent, the action mechanisms of the gibberellin and the forchlorfenuron in the summer black grape fruit swelling aspect are different, cross resistance does not exist, and the gibberellin and the forchlorfenuron are combined and compounded into liquid medicine to have an obvious synergistic interaction effect; and the fruit swelling effect on summer black grapes is obviously better than that of gibberellin and forchlorfenuron single agents. According to the method, gibberellin and forchlorfenuron of different concentrations are applied after the full-bloom stage, the time interval between two times of pesticide application is 12-15 days, and fruit retention and expansion of summer black grape clusters are achieved in the mode.