147 results about "Chemical control" patented technology

The invention relates to the technical field of intelligent agriculture and crop cultivation, in particular to a soybean planting chemical control self-adaptive regulation and control method and system based on canopy risk identification, and the method comprises the steps: constructing a digital twinborn model for dynamically simulating the growth process of a soybean population; monitoring a canopy structure, a leaf area index LAI and a light interception rate of the soybean in the key growth period by using an unmanned aerial vehicle or a sensor, and calibrating the digital twinborn model; future weather forecast data are input into the calibrated digital twinborn model for growth simulation, and light distribution is simulated by means of a pre-established AI model to identify soybean population closing and illumination competition risks; and according to the risk identification result, a chemical control decision is generated autonomously, and the variable pesticide spraying machine is controlled to perform precise variable operation of soybean planting based on the chemical control decision. According to the method, group development can be predicted in a prospective manner, and risks can be accurately quantified, so that an intelligent regulation and control mechanism with prospective and active properties is actively triggered, and active intervention of planting is realized.

The invention relates to a pest physicochemical control gradient decision-making method and system based on multi-mode perception driving, and belongs to the field of agricultural pest control. The method comprises the steps that multi-modal perception data are acquired, a multi-modal perception model is constructed, perception information is output, and the perception information comprises insect quantity density, a voiceprint migration index and an environmental stress coefficient; constructing a cellular automaton model based on the perception information, simulating pest diffusion and outputting a risk thermodynamic diagram; and outputting a pest physicochemical control gradient decision based on the risk thermodynamic diagram. The method solves the long-standing problems of response lag, too high cost, inaccurate prediction and the like in the field of pest control, and has an application prospect.

The invention relates to the technical field of crop yield increase, and discloses a soybean yield-increasing compound regulator and a soybean yield-increasing chemical control method.The basic effective components of the compound regulator comprise prohexadione calcium and forchlorfenuron, and the yield-increasing chemical control method comprises the step that an aqueous solution of the compound regulator is sprayed at the branching stage and the final stage of full bloom of soybeans respectively, the dosage of the compound regulator is 10 g / mu in the soybean branching period and 20 g / mu in the final stage of soybean blooming. According to the chemical control method for increasing the yield of the soybeans, provided by the invention, different types of growth regulators (prohexadione calcium, forchlorfenuron, triacontanol and 24-epibrassinolide) are compounded to form a compound agent, and the compound agent is sprayed on leaf surfaces in key periods (a branching period and a final stage of full bloom) of the soybeans, so that vegetative growth and reproductive growth of the soybeans are comprehensively promoted and regulated; the stress resistance of the soybeans is enhanced, the lodging risk of the soybeans is reduced, a better flower and pod protection effect is achieved, and the yield of the soybeans is increased.

The invention discloses bacillus velezensis as well as a compound medicament and application thereof, and belongs to the technical field of plant disease control. In order to solve the problems of easy generation of drug resistance, influence on ecological environment, residue of forbidden pesticide, excessive pesticide and the like in the existing chemical control method for cowpea fusarium wilt, the invention screens out a bacillus velezensis T9 with a relatively good inhibition effect on pathogenic bacteria of cowpea fusarium wilt; experiments find that the strain T9 has an obvious inhibition effect on various plant pathogenic fungi, and a bacterial solution of the strain T9 can effectively prevent and treat cowpea fusarium wilt and can effectively promote cowpea growth; besides, the compound medicament prepared from prochloraz and bacillus velezensis T9 bacterial liquid is used for irrigating cowpea seedlings, and the compound medicament is found to have a good control effect on cowpea fusarium wilt, can effectively reduce the use amount of chemical medicaments, and also has a certain growth promoting effect on cowpea plants.

The invention relates to the technical field of agricultural cultivation, and particularly discloses a northern Xinjiang egg-wrapped wheat drip irrigation sowing method, which comprises the technical key points of preparation before sowing, sowing, field management, timely harvesting and the like, and is completed by selecting an excellent wheat variety with high yield, good stress resistance and large high-yield potential and sowing 2-3 days before freezing, reasonable dripping, fertilization, chemical control, chemical weeding and pest control are carried out, and the yield of the northern Xinjiang egg-coated wheat is increased.

The application discloses a multi-carboxyl copolymer aqueous composition for pulp adding in packaging paperboard, synergism in short-stay pulp of packaging paper and fiber synergism in wet end of bamboo pulp paper, and a preparation and application method thereof, and belongs to the technical field of pulp and paper chemicals and wet end chemical control. The composition contains carboxyl-rich copolymer, and can be selected as high filtration rate homogeneous aqueous solution type, flexible type acid or bamboo pulp low cation density copolymer according to paper types, and is prepared through water phase free radical polymerization. In application, the composition is diluted and then added in a divided mode after a fan pump outlet to a pressure screen inlet or after a cationic polyacrylamide retention agent or in a bamboo pulp system. The method is beneficial to improving fiber combination, drainage stability, first-pass retention rate, white water stability and paper strength, and improving the adaptability of wet end dosing windows of different paper types.

The present application relates to a kind of fluoro-eth composition, plant growth regulator and its application, belong to the technical field of pesticide.The present application provides a kind of fluoro-eth composition, including flumetralin and ethephon, and the mass ratio of flumetralin and ethephon is flumetralin:ethephon=1:(0.05-20).The present application creatively combines control tip drug flumetralin and kill tip drug ethephon together to prepare fluoro-eth composition, and the compound preparation of flumetralin and ethephon can be used to control and inhibit litchi winter shoot, and its efficacy is mild, and the safe period is longer, and the safety is extremely high, compared with the conventional chemical control drug used alone, the control effect on litchi winter shoot is also more comprehensive and excellent, not only can control the germination of winter shoot, is conducive to the accumulation of tree nutrients, promotes flower bud differentiation, but also can have obvious control or kill shoot effect on the growth of litchi winter shoot that just sprouts certain length, so as to reduce the consumption of tree nutrients, lay a solid foundation for the stable yield of second year.

The invention relates to the technical field of crossing of biological control and chemical control of agricultural pests. The invention provides a synergistic prevention and treatment composition containing dsLCP1 and a chemical agent for Frankliniella occidentalis, the synergistic prevention and treatment composition for Frankliniella occidentalis comprises the dsLCP1 and the chemical agent, and the nucleotide sequence of the dsLCP1 is shown as SEQ ID NO.1. The invention further provides a preparation method of the synergistic prevention and treatment composition for Frankliniella occidentalis. The chemical agent is spirotetramat or pyrafluxazole amide. The invention further provides a preparation method of the synergistic prevention and treatment composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis. The invention further provides a control method for the plant Frankliniella occidentalis. The invention further provides application of the synergistic prevention and control composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis to prevention and control of the Frankliniella occidentalis. The synergistic prevention and control composition containing the dsLCP1 and the chemical agent for the Frankliniella occidentalis provided by the invention solves the problems of prevention and control faults in an egg-adult stage of the Frankliniella occidentalis and insufficient prevention effect of the chemical agent. After compounding, the dosage of chemical agents can be reduced, and pesticide residues are reduced.

An attractant for Telenomus remus Nixon to control Spodoptera litura Fabricicus is provided. The attractant includes a solvent and at least one of the following components: 1,3-dichlorobenzene, benzothiazole, and octane. The attractant can effectively attract Telenomus remus Nixon to parasitize Spodoptera litura Fabricius eggs, such that the growth of a pest quantity is inhibited and the pest population gradually dies out, which achieves the purpose of pest control. The attractant is a green, non-toxic, and pollution-free attraction substance. Therefore, the attractant can solve a series of problems such as pesticide residues, environmental pollution, and food safety caused by chemical control, and is of great significance for the green control of Spodoptera litura Fabricius.

The invention relates to the field of pesticide preparations, and discloses a sterilization composition containing tetramycin and Saisentong as well as a preparation method and application of the sterilization composition. Tetramycin and Saisentong serve as active components of the composition, and a dual-structure composite lignin derivative system serves as a functional carrier; the system is composed of high-molecular-weight modified lignosulfonate and specific lignin phenol fragments with low polymerization degree. The high-molecular-weight component forms a physical barrier on the surfaces of active component particles, so that the storage stability and the application safety of the preparation are improved; the low-polymerization-degree component can be degraded by an extracellular enzyme secreted by citrus canker pathogen, so that the targeted release of the active component at the focus is realized. The composition disclosed by the invention effectively reduces the decomposition rate of the active components and the phytotoxicity risk to crops, and meanwhile, the field control effect on the citrus canker is remarkably improved. The composition provides an efficient and safe new choice with a targeting effect for chemical prevention and treatment of citrus canker.

The invention belongs to the field of plant growth regulators, and relates to a turfgrass dwarfing agent and a preparation method thereof. Comprising the following components in percentage by weight: 95 to 99 percent of bamboo growth-control hormone extracting solution and 80 to 95 percent of water in the bamboo growth-control hormone extracting solution, wherein the bamboo growth-control hormone extracting solution is prepared from the following components in percentage by weight: 95 to 99 percent of bamboo growth-control hormone extracting solution and 80 to 95 percent of chitosan; the ratio of the chitosan is 1-5%. The method has the beneficial effects that the growth-control active ingredient extracting solution of the grown bamboo is mixed with the chitosan, so that the dwarfing of the turfgrass is controlled, and the trimming frequency of the turfgrass is reduced. The components used in the invention belong to pure natural materials, and are green and environment-friendly. Forestry bamboos are used for processing leftovers of bamboo boards and bamboo furniture, resources are fully utilized, and economic benefits of the bamboo industry are benefited. The damage to lawn grass caused by conventional long-term use of chemical control chemicals (trinexapac-ethyl and the like) is changed.

The invention relates to the technical field of fruit tree cultivation, and discloses an apple deep-rooted cultivation method suitable for M9T337 rootstock, the apple deep-rooted cultivation method comprises the steps of nursery stock pretreatment, ditching and field planting, staged soil covering and chemical control management, rootstock cortex rooting is induced by combining layer-by-layer soil covering and chemical control measures, and the problems of shallow root system and poor stress resistance of the M9T337 rootstock are solved. According to the method, a complete technical chain of pretreatment, field planting, root inducing, regulation and maintenance is constructed, a continuous deep root induction environment is created through staged soil covering, and a deep root cultivation mode from passive adaptation to active induction is realized by matching with pretreatment of a composite agent to induce rooting and chemical control management to coordinate nutrient distribution. Practice shows that after M9T337 rootstock apple seedlings cultivated through the method are planted for one year, the proportion of deep root systems below 30 cm is increased to 45-50% from 15-20% of traditional cultivation, the length of main roots can reach 50-60 cm, root system distribution is more reasonable, and the deep water and fertilizer absorption capacity is remarkably improved.

The invention relates to the technical field of bacteriostatic agents, in particular to a plant perfume compound microorganism sustained release preparation as well as a preparation method and application thereof. The plant perfume compound microorganism sustained release preparation is prepared from the following raw materials in parts by mass: 2 to 4 parts of clove oil, 6 to 10 parts of citronellal, 1 part of an emulsifier, 2 to 4 parts of chitosan, 2 to 10 parts of sodium alginate, 2 to 6 parts of weathered coal humic acid, 2 to 6 parts of a compound bacterium agent, 10 to 20 parts of charcoal, 2 to 6 parts of amino-terminated polyamidoamine and 0.0002 to 0.0008 part of genipin. Through a triple synergistic mechanism of bacteriostasis of the complex microbial inoculant, slow release of plant active ingredients and rhizosphere micro-ecological regulation and control, the bottleneck that a single biotechnology is low in control effect and short in lasting effect is broken through, compared with chemical control, the cost is greatly reduced, and the method is suitable for an organic pineapple planting system and has remarkable economic and ecological benefits.

The invention relates to a chemical control agent suitable for liquorice and screening of the chemical control agent. The chemical control agent is composed of uniconazole. The invention also provides application of uniconazole in preparation of the glycyrrhiza chemical control agent, and optionally, the chemical control agent has one or more of the following applications: a, reducing the area of glycyrrhiza leaves; b, increasing the chlorophyll content of licorice leaves; c, thickening the roots of the licorice roots; d, reducing the height of licorice plants; e, increasing underground biomass of liquorice; f, increasing the content of total flavonoids in liquorice roots; and g, increasing the content of one or more of glycyrrhizic acid, liquiritigenin, isoliquiritigenin and glycyrrhetinic acid of the licorice roots. The invention further provides a method for improving lodging resistance of liquorice. The method comprises the step of applying uniconazole to the liquorice. The invention provides a thought and a method for effectively controlling the plant height of liquorice and improving the economic benefit of liquorice cultivation, and lays a foundation for field management and sustainable development of subsequent liquorice cultivation.

The present invention provides an integrated regulator and a regulation method for the strip intercropping mode of soybean and corn, belonging to the technical field of high-yield cultivation of crops. The regulator includes regulator I and regulator II which are independently packaged; regulator I uses water as a solvent and includes components with the following final concentrations: 150-350 mg / L of ethephon, 30-50 mg / L of uniconazole, 10-50 mg / L of diethyl aminoethyl hexanoate, and 1-3 mL / L of surfactant; regulator II uses water as a solvent and includes components with the following final concentrations: 50-60 mg / L of uniconazole and 1-3 mL / L of surfactant. The regulator of the present invention is universal for soybeans and corns, realizes the integrated chemical control of soybeans and corns, combines the adjustment of spraying time, reduces the chemical control times and labor costs, and achieves the effects of controlling plant growth, preventing lodging and increasing yield.

The invention discloses a CO2 sustained-release capsule and a preparation method thereof. The CO2 sustained-release capsule comprises sodium alginate, corn starch, amyloglucosidase, saccharomyces cerevisiae and anhydrous calcium chloride, and a solvent is ultrapure water. The saccharomyces cerevisiae is Saccharomyces cerevisiae BNCC185415, and the saccharomyces cerevisiae is Saccharomyces cerevisiae BNCC185415. The mass ratio of the sodium alginate in the capsule preparation is 2.00%-3.00%, the mass ratio of the corn starch in the capsule preparation is 10.00%-30.00%, the content of the amyloglucosidase in the capsule preparation is 1.0-3.0 U / g, and the mass ratio of the saccharomyces cerevisiae in the capsule preparation is 10.0%-30.0%. Based on the general taxis of underground pests to CO2, the invention creates a CO2 sustained-release capsule which has remarkable attraction activity on the pests, and the underground pests can be trapped, killed, prevented and controlled by combining physical prevention and control, biological prevention and control, chemical prevention and control and other measures in practical application.

The present invention discloses a gene related to resistance to white rot of Dendrobium officinale and its application, wherein the CDS sequence of gene Dof013141 is shown in SEQ ID NO.1. The present invention isolates and screens the Dof013141 gene. The overexpression of this gene in Dendrobium officinale successfully overcomes the environmental pollution and drug resistance problems caused by traditional chemical control methods, not only effectively reduces the dependence on chemical agents, but also provides a new technical solution for green and sustainable agricultural prevention and control. The application prospect of this gene is broad. In addition to its successful performance in Dendrobium officinale, it can also be extended to the disease-resistant breeding of other susceptible plants, further broadening its application in the field of agricultural production and plant protection. The present invention not only provides a strong guarantee for improving the yield and quality of Dendrobium officinale, but also opens up a new research direction for the development and utilization of plant disease-resistant genes, with great economic and social value.

The invention discloses bacillus velezensis GJ5B6 and application thereof, and belongs to the technical field of biocontrol microorganisms, the preservation number of the bacillus velezensis GJ5B6 is CCTCC NO: M 20252105, and the bacillus velezensis GJ5B6 is preserved in China Center for Type Culture Collection on September 24, 2025. The bacillus velezensis GJ5B6 has remarkable inhibitory activity on pathogenic bacteria of the waxberry wilt disease and has a wide application prospect in the aspect of prevention and treatment of the waxberry wilt disease, and a theoretical basis and a strain resource are provided for development of environment-friendly biocontrol preparations; the biological agent prepared by taking the bacillus velezensis GJ5B6 as an active ingredient does not cause the problems of resistance of pathogenic bacteria, environmental pollution, pesticide residues and the like after being used for a long time, and is more environment-friendly and safer than a chemical control method.

The present application relates to the use of a pesticidal protein for controlling a thrips pest, the method comprising contacting the thrips pest with at least an ACh1 protein. The present application controls the thrips pest by producing the ACh1 protein capable of killing the thrips in bacteria and / or plants; compared with the agricultural control methods, chemical control methods, physical control and biological control methods used in the prior art, the present application protects the whole growth period and whole plant of the plant to prevent the thrips pest from invading, and has no pollution, no residue, stable and complete effect, and is simple, convenient and economical.

The invention relates to the technical field of electronic chemical engineering control, and discloses an energy management intelligent control method for preparing electronic-grade hydrofluoric acid. The method comprises the steps that historical energy parameters, production quality data and the current production state of the preparation process are obtained, the historical energy parameters comprise electric energy consumption, steam consumption, cooling water flow and reaction kettle temperature, and the production quality data comprise product purity, metal ion content, particulate matter number and output rate. And establishing a multi-modal energy efficiency model according to the data, wherein the model comprises a plurality of efficient production points corresponding to different energy parameter combinations. And then, the current production state is positioned, a nearest optimal efficient production point is determined, an energy efficiency situation field is established, an energy efficiency gradient is calculated, a progressive regulation and control path is constructed based on the gradient to generate a staged energy regulation and control instruction, and finally, the staged energy regulation and control instruction is sent to energy control equipment. The method realizes dynamic and accurate regulation and control of energy, optimizes energy utilization, guarantees product quality, and is suitable for large-scale production of electronic-grade hydrofluoric acid.

The invention relates to the technical field of sewage treatment, and particularly discloses a sewage treatment hybrid control method and system based on multi-angle venturi jet, which utilizes the kinetic energy of fluid to dynamically plan the opening number of branch pipes through an algorithm to maintain the critical flow velocity of the venturi. The method comprises the following steps: firstly, converting discrete water inlet kinetic energy into stable high-shear jet flow kinetic energy; furthermore, jet flow energy is converted into a three-dimensional strong turbulent flow field covering the whole area in the reaction bin by utilizing a multi-angle space vector jet layout, namely, through composite flow field design of tangential induction rotational flow, vertical drive convection and the like, so that short-circuit flow and a mixed dead zone are physically and thoroughly eliminated. Meanwhile, on the chemical control level, the scheme breaks through traditional linear adding logic, a nonlinear double-channel decision model covering turbidity requirements and alkalinity constraints is established, it is ensured that under the complex variable working conditions, load processing can be met, pH environment collapse can be avoided, and finally dual minimization of chemical consumption and energy consumption is achieved.

The invention discloses a method for breeding a new variety of Mimai No.18 by using corn and wheat distant hybridization, and relates to the technical field of crop genetic breeding, the method comprises the following steps: parent selection: selecting Mimai No.2 wheat as a female parent and functional 2009-1 black corn as a male parent; emasculation: performing emasculation treatment on the female parent ear, removing anther in each floret, then immediately sleeving the floret with a paper bag, and marking the name of the female parent variety and the emasculation date. A feasible method is provided for wheat breeding by carrying out distant hybridization on wheat and corn and combining an accurately controlled generation-adding propagation technology. According to the method, accurate and quantitative environment management guarantees normal completion of each growth stage, measures such as illumination supplement and chemical control cultivation are taken, and stable expression and selection of excellent characters are promoted. Finally, new materials with consistent characters and stable heredity are successfully bred, and a new technical approach is provided for genetic improvement of wheat.

The technical scheme of the invention discloses a pest and disease damage camera which is characterized by comprising a high-precision image acquisition module, a dynamic environment adaptation module, a central processing module and a real-time data transmission module. Another technical scheme of the invention is to provide a regional pest control system which is characterized by comprising the pest camera, a server and an unmanned aerial vehicle with an image acquisition function. According to the invention, 20 million-pixel multispectral imaging (including visible light, near-infrared and thermal imaging wavebands) is adopted, a lightweight AI algorithm (YOLOv7 model) is combined, 14 types of diseases and insect pests (the accuracy rate is greater than or equal to 90%) can be identified in real time, the weak light imaging quality is guaranteed through dynamic LED light supplement (the wavelength is 380-850 nm), grading early warning (ventilation and humidity reduction, targeted spraying and chemical prevention and treatment) is triggered through 5G transmission of data, and the quality of the disease and insect pests is guaranteed. The system is linked with a temperature and humidity sensor and a CO2 sensor, hidden insect pests such as leaf miners are early warned 48 hours in advance, and the prediction error is smaller than or equal to 8%.

An integrated PWR nuclear reactor that requires no refueling and is cooled by natural convection. It is housed within a reactor containment unit which is transportable to a placement site and placed within an underground building that allows heat transfer from the reactor to the surrounding soil. Tire reactor containment unit encloses an integrated PWR nuclear reactor, a pressure and chemical control system, a safety system and a turbo generator. After its operational life, the reactor's water and air are replaced with inert gases, circulating by natural convection to remove decay heat to the surrounding soil. This enables the integrated PWR reactor, initially designed to generate electricity, to act as a dry storage facility for uranium fuel elements after the end of its operational life.

The invention discloses a rapid preliminary screening evaluation method for chemical prevention and control active components of meadow moth, which comprises the following steps: (1) evaluating the activity of chemical prevention and control active components to be detected on larvae of meadow moth moth through indoor bioassay to obtain basic score data of the chemical prevention and control active components to be detected; (2) selecting other farmland pests which are damaged with the meadow moth in the same period, and evaluating the activity of the chemical prevention and control active components to be detected through indoor bioassay to obtain additional score data; (3) selecting a main environmental non-target organism, and determining acute toxicity data of the to-be-detected effective component to the environmental non-target organism through public database query or test to obtain score deduction data; (4) comprehensively scoring the chemical prevention and control active components to be detected; and (5) grading according to the comprehensive score, and giving a recommendation conclusion to the chemical prevention and treatment active components to be detected. By means of the evaluation method, the efficient and low-toxicity emergency chemical prevention and control active ingredients of the meadow moth can be rapidly and preliminarily screened, and therefore the purpose of guiding emergency chemical prevention and control of the meadow moth is achieved.

This invention relates to a method for modeling the curing kinetics of polymer resins, specifically providing a method for fitting the curing kinetics of polymer resins based on a segmented model. The method employs a three-stage segmented kinetic model. In the first stage, an external catalytic model is introduced to quantify the inductive acceleration effect of the co-catalyst in the early stages of the reaction. In the second stage, the Kamal-Sourour model is used to ensure the fitting accuracy of the chemical control region. In the third stage, a diffusion correction term based on thermodynamic evolution is introduced to quantify the diffusion resistance caused by entering the glassy state in the later stages, significantly improving the fitting accuracy at the end of curing. More importantly, this invention creatively proposes a method based on the activation energy minimum point. α tr and dynamic glass transition point α vit The segmentation points effectively couple the external catalytic model, the Kamal-Sourour model, and the dynamic diffusion model, effectively solving the problem of inaccurate fitting of the full-cycle kinetics, improving the fitting accuracy, and providing data support for the fine-tuning of the curing process.

The present application relates to the Malus domestica Borkh cultivation technical field, specifically, it relates to a kind of greenhouse container seedling cultivation method for improving the ornamental of Malus domestica Borkh. Including the following steps, selecting the root control container of air permeability, preparation special cultivation substrate;Strong seedling is planted in root control container, is placed in shady environment and is carried out with slow seedling;Control day and night temperature, illumination and water nutrient;Water and fertilizer integration system is used to irrigation and fertilization;Use physical method of pinching, pull branch, ring cutting, and combine with the foliar spray of paclobutrazol;Through the coupling application of accurately regulated day and night temperature difference and photoperiod management, water and fertilizer integration and synergistic drought stress, and the organic combination of physical shaping and chemical control, the synergistic effect between temperature, illumination, water, nutrient and other factors is generated, so that the beneficial effects of inhibiting overgrowth, promoting branching, efficient inducing flower bud differentiation and shaping compact plant type are realized synchronously on the whole, and the ornamental quality and growth consistency of Malus domestica Borkh container seedling are improved.

The invention discloses a biological substitution method for controlling alien invasion of solidago canadensis, which comprises the following steps: selecting dwarf lilyturf tuber, ophiopogon japonicus, liriope spicata or liriope latifolia as substitution plants, performing soil layer ploughing in an invasion area, and performing point type plant division transplanting. Tests show that the inhibition rate of each growth index of solidago canadensis can reach 90% or above under high-density planting of the substitute plants. According to the method, ecological prevention and control are achieved through an inter-plant competition mechanism, and high inhibition efficiency and ecological safety are both achieved. Compared with traditional chemical prevention and control, the method has the outstanding advantages of zero pollution, low cost, afforestation and beautification, economic benefits of medicinal materials and the like, and is particularly suitable for treating invasive plants in ecological sensitive areas.

This utility model relates to the field of insect trapping technology, specifically a chestnut elephant trapping device, comprising: an insect-attracting cover, a collector, and a attractant; the insect-attracting cover has an insect inlet at its lower end and an insect outlet at its upper end. When in operation, one side of the insect inlet is fixed circumferentially to the tree trunk, creating a passage between the other side of the inlet and the trunk for insects to enter; the collector contains a collection space, with its lower end covering the upper end of the insect-attracting cover, forming a collection groove between the lower end of the collector and the upper end of the insect-attracting cover to prevent insect escape; the attractant is located within the collection space and includes a main body with spiked protrusions on its outer wall, giving the attractant a shape resembling a spiky chestnut. The attractant is made of a dark red material, or its surface is covered with a layer of dark red material. This utility model overcomes the shortcomings of existing physical and chemical control methods, which easily disrupt the original ecological balance of chestnut trees and lead to environmental pollution.

The present invention relates to the technical field of antibacterial agents, and more particularly to a plant-flavored composite microbial sustained-release preparation, a preparation method, and an application thereof. The raw materials of the plant-flavored composite microbial sustained-release preparation include, by mass, 2-4 parts of clove oil, 6-10 parts of citronellal, 1 part of emulsifier, 2-4 parts of chitosan, 2-10 parts of sodium alginate, 2-6 parts of weathered coal humic acid, 2-6 parts of composite bacterial agent, 10-20 parts of biochar, 2-6 parts of amino-terminated polyamidoamine, and 0.0002-0.0008 parts of genipin. The present invention achieves a triple synergistic mechanism through the inhibition of bacteriostasis by composite bacterial agent, sustained release of plant active ingredients, and regulation of rhizosphere microecology, thereby breaking through the bottleneck of low prevention efficiency and short lasting effect of single biotechnology, significantly reducing the cost of chemical control, being suitable for organic pineapple planting systems, and having significant economic and ecological benefits.