14results about How to "Improve insecticidal effect" patented technology

The application relates to the technical field of pesticides, and particularly discloses a tetramethylpyrazine suspension agent with slow-release performance and a preparation method thereof. The tetramethylpyrazine is prepared into a suspension, so that the particle size of the tetramethylpyrazine can be controlled, and tetramethylpyrazine particles with a suitable particle size as a capsule core can be obtained without dissolving and emulsifying the tetramethylpyrazine technical material. The application overcomes the defect that the tetramethylpyrazine is difficult to adopt a traditional microcapsule coating process, and a capsule membrane formed by a melamine modified urea-formaldehyde resin prepolymer can hinder the degradation of the tetramethylpyrazine, thereby prolonging the persistence period of the tetramethylpyrazine suspension agent and improving the insecticidal effect of the tetramethylpyrazine pesticide.

The application discloses a method for treating harmful substances in breeding waste. The method comprises the following steps: degrading vitamins by using a compost anaerobic fermentation method, separating heavy metals by using a composite chelating agent and an EKR-PRB device, killing pests in the manure pile by using a composite microbial agent, and finally adjusting the system environment by using a stabilizer, so that the treated manure pile is easy to be recycled.

The present application belongs to the field of pesticides, and relates to a kind of insecticidal composition, specifically to a kind of suspension emulsion containing spirotetramat and pyridalyl and its preparation method and application.The present application realizes the preparation of the suspension emulsion of spirotetramat and pyridalyl, has higher insecticidal effect, reduces the amount of insecticide and the frequency of pesticide application, thereby reduces the cost of pesticide, is safe and environmentally friendly;The present application scientifically selects and screens the auxiliary system, finally obtains the system with the best matching degree among components, especially the screening and combination of dispersing agent, emulsifier, solvent and cosolvent, greatly reduces the processing difficulty of dosage form, improves the stability of dosage form, has the advantages of good emulsification and dispersion, high suspension rate, effectively solves the problems of creaming, flocculation, particle size enlargement and crystallization during sample storage, etc.Through the screening of dispersing agent, solvent and cosolvent, the obtained product does not have the problem of crystallization after long-term storage, and still has excellent efficacy after long-term storage.

The application belongs to the field of biological pesticides, and provides application of HearNPV-miR-56 in cotton bollworm control, wherein the nucleotide sequence of the HearNPV-miR-56 is CGGUAACAGAAGCGGUCACG. The HearNPV-miR-56 can improve virus replication amount of cotton bollworm nuclear polyhedrosis virus infected larvae, thereby promoting death, and can be used for developing a cotton bollworm nuclear polyhedrosis virus synergist, and has potential application prospect in biological control of cotton bollworm.

The application discloses an anti-insect fusion gene M1 CryAb- VIP3A , an expression vector thereof, a product and application thereof, and aims to solve the technical problem that the existing Bt fusion gene is difficult to consider biological safety and insecticidal effect. M1 CryAb-VIP3A The nucleic acid sequence of the anti-insect fusion gene is shown as SEQ ID NO. 5, and the protein sequence corresponding to the nucleic acid sequence is shown as SEQ ID NO. 6. The fusion gene does not contain a sensitizer sequence and can be efficiently expressed, and the biological safety and insecticidal effect are considered, the anti-insect and insecticidal effect of the expression product is good and wide-spectrum. M1 CryAb-VIP3A M1 CryAb-VIP3A After the gene is introduced into corn, a new crop variety which is resistant to stink bugs and other lepidopteran pests or coleopteran pests (spodoptera frugiperda) is obtained; the anti-insect fusion gene expression protein M1CryAb-VIP3A has excellent insecticidal effect, can be applied to the preparation of an anti-insect preparation, is green and environment-friendly, and has no pollution.

This invention belongs to the field of pesticide technology, providing an insecticidal composition, its preparation method, and its application. The composition is prepared from the following raw materials in parts by weight: 1-3 parts of neem seeds, 5-7 parts of *Eupatorium adenophorum*, 2-4 parts of *Bidens pilosa*, and 8-30 parts of adjuvants. This invention extracts and scientifically combines the effective components of the three plants, resulting in a synergistic effect among the active ingredients, effectively expanding the insecticidal range. The formulation obtained by this invention has stable physicochemical properties, a simple preparation process, and is safe for crops after application, without causing phytotoxicity. It can effectively control various agricultural and forestry pests such as spider mites, scale insects, rose thrips, and cowpeas. The raw materials used in this invention are readily available. While achieving green control of agricultural and forestry pests, it also realizes the resource utilization of invasive plants, combining ecological and practical value, and has broad application prospects.

The present application provides a protein and its use in improving the virulence of a parasporal crystal protein of Bacillus thuringiensis, which comprises a protein having an amino acid sequence shown in SEQ ID NO: 1. The protein of the present application can effectively improve the virulence of the parasporal crystal protein, especially the insecticidal capacity, after cooperating with the parasporal crystal protein, thereby reducing the use amount of the parasporal crystal protein, lowering the insecticidal cost, improving the insecticidal efficiency, and being suitable for large-scale popularization and application.

This application discloses an intelligent plant climate chamber in the field of intelligent plant climate chamber technology, which includes pest and disease monitoring and control. The climate chamber body includes a cultivation rack, a humidifier, a dehumidifier, a condenser, a heater, and a ventilation device. The cultivation rack comprises multiple layers of panels, each panel having a light source. Each panel is rotatably connected to a rotating ring that surrounds the light source. Each panel has a motor that drives the rotating ring. The inner circumference of the rotating ring is symmetrically fixed with arc-shaped blocks. The portion of the panel inside the rotating ring has four grooves facing the light source. Connecting rods are slidably connected to these grooves. Springs are provided between the connecting rods and the grooves. A semi-frame is located at the bottom of each connecting rod. The arc-shaped blocks on both sides alternately abut against the oppositely positioned connecting rods. By pushing the oppositely positioned connecting rods to slide, the semi-frames on both sides close together, surrounding and sealing the light source. This solution improves the pest control effect.

The invention relates to a pesticide insecticidal composition and a preparation method and application thereof, and relates to the field of pesticides, the effective components comprise chlorantraniliprole and sanguinarine sulfate, and the weight ratio of chlorantraniliprole to sanguinarine sulfate is 99: 1-1: 99. According to the invention, chlorantraniliprole and sanguinarine sulfate are compounded together, so that pests can be killed to the greatest extent, and meanwhile, crops are stimulated to repair damage, so that the purposes of repairing after pests and rejuvenating are achieved. Subsequent growth of crops is guaranteed, and social value and economic value of stabilizing and increasing yield and improving quality are achieved.

A novel insect repelling device for agricultural pest control comprises a fixing support, a fixing base and a drawer, the bottom of the fixing support is connected with a plurality of universal wheels, the outer side of the fixing support is connected with a push rod, the top end of the fixing support is provided with the fixing base, the upper portion of the fixing base is provided with a tray, and the outer side of the fixing base is provided with a drawer slot. The drawer slides in the drawer slot, the upper part of the drawer slot is provided with a drain outlet, the bottom of the drawer slot is provided with two positioning bulges, the positioning bulges are symmetrically arranged, the bottom of the drawer is provided with two positioning chutes, the positioning chutes are symmetrically arranged, the positioning chutes are matched with the positioning bulges, and the holes in the upper part of the isolation net are smaller, so that birds are prevented from entering the isolation net; influences on non-target organisms (such as birds) are reduced, the structure is reasonable, the insecticidal effect is good, use is convenient, insect attack outbreak is effectively prevented, and the crop yield is protected.

The present application belongs to the technical field of pesticides, and particularly relates to an insecticidal composition containing an isoxazoline-substituted benzamide compound and application thereof. The insecticidal composition contains active ingredient A and active ingredient B, wherein the active ingredient A is oxadiazon-fluorofenamid, and the active ingredient B is selected from one or more of the following compounds: deltamethrin, fenpropathrin and cyfluthrin. The composition has reasonable components, good insecticidal effect, low pesticide cost, and the characteristics of reducing the application amount, being safe to crops, reducing the amount of pesticide residues, etc.

The invention relates to a granary circulation fumigation device and method, the granary circulation fumigation device comprises a granary and a gas circulation system, the granary is provided with a gas inlet, the gas inlet is used for introducing fumigation gas, the gas circulation system comprises a bottom gas pipe, a central gas pipe and a plurality of side vertical gas pipes, the bottom gas pipe is provided with a plurality of first gas vents, and the bottom gas pipe is communicated with the gas inlet; the bottom of the side vertical air pipe is communicated with the bottom air pipe, and the side vertical air pipe is provided with a second air port in the vertical direction; a third gas port is formed in the central gas pipe; the variable-speed circulating fan is configured to drive the fumigation gas to flow into the granary from the bottom gas pipe and the side vertical gas pipe and flow out of the granary from the central gas pipe, or to drive the fumigation gas to flow into the granary from the central gas pipe and flow out of the granary from the bottom gas pipe and the side vertical gas pipe; radial flowing is achieved, the flowing distance of fumigation gas in grains can be reduced while the whole granary fumigation can be covered, uneven heat distribution caused by long-distance flowing is avoided, and the fumigation effect is improved.

The application discloses a kind of deuterated bisamide insecticides, belong to the technical field of insecticide;The deuterated bisamide insecticide of the application has the chemical structure as described in compound (1), the preparation method and application of the above-mentioned insecticide are also disclosed;The present application takes bromofenoxim as a lead compound, and deuterates the special position, which significantly improves the insecticidal effect of bromofenoxim, and can be widely used for killing Lepidoptera, Coleoptera, Thysanoptera pests, termites and mosquitoes and flies, solving the problem of drug resistance and persistence of existing pesticides.

The invention belongs to the technical field of pesticide disinfestation, and discloses a diafenthiuron-containing insecticidal composition and application thereof.The effective ingredients of the insecticidal composition comprise an active ingredient A and an active ingredient B. The active ingredient A is diafenthiuron, the active ingredient B is any one of benzpyrimoxan, Flometoquin, diclomezotiaz and indazoroxamet, and the mass ratio of the active ingredient A to the active ingredient B is 1: 70-65: 1. The insecticidal composition provided by the invention has an excellent control effect on hemiptera pests of agricultural, gardening or forestry plants, and has a remarkable synergistic effect.