13 results about "Spirodiclofen" patented technology

The invention provides a navel orange disease and insect pest comprehensive prevention and control method based on a full-net-covering facility and application thereof, and relates to the technical field of agricultural disease and insect pest prevention and control. Comprising the following steps that a net shed is built in a navel orange planting area in a full net covering mode, and a 30% spirodiclofen and SYP-9625 suspending agent is selected for preventing and treating citrus red mites. According to the method, the net shed of a full-net-covering facility is built for physically preventing and controlling the diaphorina citri, the diaphorina citri is completely prevented from entering the net, the transmission medium of the Candidatus Liberobacter asiaticum is cut off, the dangerous disease of the Candidatus Liberobacter asiaticum is stably and completely eradicated, and the harm of the Candidatus red mites in the net shed is low by controlling the Candidatus red mites through efficient chemical agents. Through the synergistic effect of the two prevention and control, diseases and insect pests seriously harmful to citrus can be effectively controlled, the comprehensive prevention and control effect is remarkably improved, the yield and quality of citrus fruits are improved, and remarkable economic, social and ecological benefits are achieved.

The utility model relates to a production system of spirodiclofen and belongs to the technical field of chemical equipment. The production system comprises a reaction kettle; a discharge hole in the bottom of the reaction kettle is connected with the centrifugal machine through a centrifugal machine feeding pipeline; the centrifugal machine is a lower discharging type centrifugal machine, and a scraper is arranged in the centrifugal machine. The lower outlet is connected with the temporary storage tank through a centrifugal machine discharging pipeline; an outlet in the lower part of the temporary storage tank is connected with the reaction kettle through a reaction kettle feeding pipeline; a gas pipeline is arranged at the top of the reaction kettle; a vacuum pipeline, an air pipeline and a nitrogen pipeline are respectively arranged on the gas pipeline; a centrifugal machine leaching pipeline is arranged at the top of the centrifugal machine; a waste liquid pipeline is arranged at the bottom of the centrifuge. According to the solid-liquid separation device disclosed by the utility model, a solvent and an intermediate are prevented from being exposed in the air to injure production personnel, meanwhile, the labor intensity of the production personnel is reduced, and the operation of digging and carrying solids after solid-liquid separation is not needed.

The present invention relates to a new acaricidal pesticide composition having excellent control activity against agricultural and horticultural pests. The present invention also relates to a method for controlling agricultural and horticultural pests and use of the new pesticide composition. An acaricidal pesticide composition containing an active ingredient (A) of a compound of formula (I) and an active ingredient (B) of at least one tetronic acid insecticide selected from the group consisting of spirodiclofen, spiromesifen, spirotetramat, spirodiclofen, the weight ratio of the active ingredients (A) and (B) being 10:1-1:100. Use of the acaricidal pesticide composition for controlling leaf mites. Spraying the acaricidal pesticide composition onto crops parasitized by leaf mites to repel leaf mites.

The application belongs to the technical field of pesticide mite killing, and discloses a pesticide composition and application thereof. The pesticide composition comprises active ingredient A and active ingredient B. The active ingredient A is (4'-chloro-6-fluoro-4-methyl-[1,1'-biphenyl]-3-yl)(2,2,2-trifluoroethyl) sulfide. The active ingredient B is any one of spirodiclofen or bifenazate. The mass ratio of the active ingredient A to the active ingredient B is 1:52-45:1. The pesticide composition has good control effect on citrus leaf mite and two-spotted spider mite, is fast-acting, and has long effective period.

This invention belongs to the field of pesticides, specifically relating to a spirodiclofen derivative or its pesticide-acceptable salts, compositions, and uses thereof. The compound has the structure of formula (I): where each group is defined as shown in the specification. The spirodiclofen derivative of this invention exhibits higher insecticidal or acaricidal activity than known compounds, particularly excellent bioactivity against insect or mite eggs.

The application discloses a kind of for cultivating auricularia polymeric mite smoke agent, including the following weight parts of substance: lufenuron 1~3 parts, spirodiclofen 2~6 parts, Sophora flavescens 10~15 parts, combustion improver 25~30 parts, smoke agent 5~10 parts, flame retardant 4~8 parts, adhesive 3~7 parts, moisture-proof agent 3~5 parts, fuel 15~20 parts, stabilizer 3~5 parts.The application discloses the application of the polymeric mite smoke agent in the application of auricularia cultivation in preventing and treating saprophytic mite harm.The application selects spirodiclofen for preventing and treating mite harm in the process of auricularia cultivation by pesticide formula screening, and spirodiclofen has the effects of preventing and treating each life stage of mite, long persistence period, wide mite spectrum and safety to auricularia;Sophora flavescens is used in fuel, and has the effects of killing insects and mites;by using smoke agent dosage form, effective component forms highly dispersed system, and pesticide can be uniformly distributed to ground, wall, top and around bag, and small particles can pass through sponge, cotton aperture and enter inside bag, and disappear fast, with low residual amount.

The application belongs to the technical field of organic synthesis, and particularly relates to a preparation method of spilanthol amide (2E, 6Z, 8E)-N-isobutyl-2, 6, 8-decatrienamide. The synthesis route of spilanthol amide is too long, and the operation is complex, so that the industrialized production is not easy. In view of the above problems, the application provides a preparation method of spilanthol amide (2E, 6Z, 8E)-N-isobutyl-2, 6, 8-decatrienamide. The target product is successfully synthesized through seven steps of quaternary phosphonium salt reaction, Wittig reaction, Wittig-horner reaction, dehydration condensation and the like, with cheap and easily obtained 4-bromobutyric acid ethyl ester as raw material. Each reaction condition is simple, and the operation is convenient, so that the method is suitable for industrialized scale production.

The application provides a suspension agent containing butylfluorfon and spirodiclofen and application thereof, the suspension agent contains the following weight percentage ingredients: butylfluorfon 10-30%, spirodiclofen 10-30%, wet dispersant 1-10%, pH regulator 0.05-0.2%, antifreezing agent 1-7%, xanthan gum 0.05-0.2%, magnesium aluminum silicate 0.2-0.8%, antifungal agent 0.05-0.2%, defoaming agent 0.05-0.2%, deionized water to 100%; the wet dispersant is composed of TERSPERSE 2700 and Atlox 4913, and the mass ratio of TERSPERSE 2700 and Atlox 4913 is 1-5:1-5. The storage results of the suspension agent formula of the embodiment of the application at different temperatures are all good, the particle size growth is small, and the suspension rate is all above 90%. After the heat storage and freeze-thaw test at different temperatures, no solidification occurs when being transferred to normal temperature storage, and the storage stability is obviously improved. The field test results show that the 38% butylfluorfon and spirodiclofen SC provided by the application has good effect on preventing and treating citrus red mite, and the stable effective period is 20-30 days.

The present application relates to the technical field of pesticide preparation, in particular to a preparation method of a soluble solution of propiconazole and oligosaccharin compound, which is realized through the following steps: firstly, a mixed solvent is prepared; then, propiconazole technical material is dissolved in the mixed solvent after ultrasonic and nanometer grinding treatment, to obtain a propiconazole solution; then, oligosaccharin is added to prepare a compound stock solution through gradient stirring; subsequently, lentinan, a surfactant, a composite stabilizer and other additives are sequentially added, and the final product is obtained through secondary filtration and constant volume. The present application solves the problems of poor lipid-water compatibility, insufficient extreme environmental stability and weak crop stress resistance adaptation of the existing compound preparation, realizes the synergy of "anti-fungus-anti-virus-cold resistance-lodging resistance-quality improvement and yield increase", is especially suitable for cold rice, tobacco and other crops, and is compatible with the existing production line, so it has a wide application prospect.

The present application belongs to the technical field of pesticides, and particularly relates to a synergistic acaricidal composition. The effective component of the acaricidal composition comprises active ingredient A and active ingredient B. The active ingredient A is preferably a compound of the following formula Ia, and the active ingredient B is preferably at least one of abamectin, etoxazole, fenbutatin-oxide, ethoxy pyrimidine, spirodien, and bifenthrin. The pesticide composition of the present application can effectively improve the control effect on harmful mites, has a significant synergistic effect compared with a single agent, can effectively reduce the use amount, reduce the use cost, and reduce the influence on the environment. Formula Ia.

The utility model relates to the technical field of pesticide production, in particular to an anti-blocking spirodiclofen feeding device which comprises a feeding bin, a first motor is arranged at the top of the feeding bin, a driving shaft of the first motor extends into the feeding bin, dispersing blades are installed on the driving shaft, a feeding opening is formed in the upper portion of the feeding bin, and a discharging hose is connected to an outlet in the bottom of the feeding bin. A filter screen is mounted at the joint; a shell is fixed to the inclined lower portion of the feeding bin through a fixing rod. A sliding rod is horizontally fixed in the shell and sleeved with a sliding piece, the side, close to the discharging hose, of the sliding piece is horizontally connected with a push rod, the other end of the push rod extends out of the shell and is connected with a lantern ring arranged on the discharging hose in a sleeving mode, and the portion, in the shell, of the push rod is further sleeved with a spring; a second motor is arranged above the shell, a rotating rod of the second motor perpendicularly extends into the shell, the end of the rotating rod is connected with an oval rotating disc, and the edge of the oval rotating disc is in rotating contact with the side, away from the discharging hose, of the sliding piece. The feeding device is matched with a spirodiclofen reaction kettle for use, and is low in cost and uniform in feeding.

The present invention relates to a synergistic pesticidal composition for controlling pest infection in plants, more particularly to a synergistic composition comprising at least three active ingredients selected from (I) a mitochondrial complex I electron transport inhibitor selected from Tolfenpyrad; (II) acetyl-CoA carboxylase inhibitor selected from Spidoxamat, Spirodiclofen, Spiromesifen, Spiropidion, and Spirotetramat; and (III)nicotinic acetylcholine receptor (nAChR) channel blocker is selected as Thiocyclam Hydrogen Oxalate. The invention further relates to a process of preparing said composition along with one or more inactive excipient and formulation thereof. The composition overcomes the pest infestations much more efficiently and provides the advantages of overcoming the resistance of the pest to the use of the individual components of the pesticide composition, improved shelf life, increased spectrum of activity, better crop quality, enhanced efficacy, and economic and ecological advantages i.e. more yield, less expensive and environmentally safe composition.

The invention belongs to the technical field of pesticide pest and mite killing, and discloses a pest and mite killing composition and application thereof.The pest and 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, and the structure of the compound shown in the formula I is shown in the specification. The tetronic acid compound is any one of spiromesifen, spirodiclofen, spirotetramat, spirodiclofen diester, spidoxomat or spiropidion, and the mass ratio of the active component A to the active component B is (1: 48)-(48: 1). The insecticidal and acaricidal composition expands the control spectrum of pests and mites, is safe to target crops, delays the development of drug resistance of pests and mites, and reduces pesticide residues.