139results about How to "Hazard prevention" patented technology

The invention relates to an interplant method of camellia oleifera and torreya grandis young growth. The interplant method of the camellia oleifera and the torreya grandis young growth is characterized in that peanut and upland rice are interplanted at intervals between the camellia oleifera and the torreya grandis young growth, and the peanut and the upland rice interchange positions in the nest year. The interplant method of the camellia oleifera and the torreya grandis young growth has the advantages that the upland rice provides shade for the camellia oleifera or the torreya grandis so that expense of sheltering nets is reduced, interplanted the upland rice and the peanut can store water and keep moisture for the torreya grandis young growth so as to avoid water and soil loss, the peanut provides nitrogen needed during in the early stage of production of the camellia oleifera by means of a biological nitrogen fixation function of the nodule bacteria so that nitrogenous fertilizer is saved, intercropping and crop rotation of the interplanted crop can not only avoid damage, caused by continuous cropping, to the soil but also have functions of restraining occurrence and spread of plant diseases and insect pests and isolation, tend is replaced with cultivation, weeds are restrained, management cost of the camellia oleifera or the torreya grandis is reduced, the utilization rate and the copping index of the forest land are improved and economic benefits are increased.

The invention discloses a weeding composition containing penoxsulam and bensulfuron-methyl, which comprises active ingredient a and active ingredient b, wherein the active ingredient a is penoxsulam, the active ingredient b is bensulfuron-methyl, the weight ratio of the a to the b is 1-90:90-1; preferably, the weight ratio of the a to the b is 1-50:50-1, and particularly preferred, the weight ratio of the a to the b is 1-10:10-1. The active ingredients of the composition account for 8 to 95 percent of the total weight of the composition, and the balance is agriculturally acceptable pesticide adjuvant.

The invention discloses soil improvement organic biological fertilizer and a preparation method thereof. The soil improvement organic biological fertilizer comprises the following raw materials in parts by weight: 30 to 35 parts of rice straws, 25 to 30 parts of animal dung, 20 to 25 parts of charcoal, 10 to 15 parts of bean pulp, 5 to 10 parts of diatom ooze, 2 to 2.5 parts of soddy soil, 2 to 3 parts of zeolite powder, 3 to 4 parts of a microbial agent, 2 to 3 parts of sodium benzoate, 2 to 3 parts of monoammonium phosphate, 2 to 3 parts of mugwort, 2 to 2.5 parts of licorice, 1 to 2 parts of calcium chloride, 1 to 2 parts of amino acid, 1 to 2 parts of starch, 1 to 2 parts of molasses powder, and 1 to 2 parts of humic acid. The soil improvement organic biological fertilizer takes plant waste as the raw material, not only is beneficial to improve the soil quality, but also can reduce the production cost, thereby improving the physicochemical property of soil, comprehensively improving the soil structure, and enabling the soil quality to achieve the effects of softness, permeability, moisture holding and fertilizer maintenance, and optimizes the composting process by preferentially selecting organic waste converted products capable of passivating heavy metal and enhancing the fertilizer efficiency of organic fertilizer, such as charcoal, biological humic acid of and the like, as compost base materials, so as to achieve the purpose of producing environmental high-quality organic fertilizer.

The invention discloses a composite weedicide. The composite weedicide comprises a mixture of 95 percent fluroxypyr and 97.4 percent carfentrazone serving as effective ingredients; and the range of the weight ratio of the 95 percent fluroxypyr to the 97.4 percent carfentrazone is between 1:99 and 99:1. The invention also discloses a plurality of preparation formulations of the composite weedicide. In the invention, the 95 percent fluroxypyr and the 97.4 percent carfentrazone are compounded and mixed to serve as a wettable powder preparation, which can give play to the comprehensive advantages of the two medicaments. The composite weedicide can not only achieve the effect of weeding rapidly and radically, but also reduce the dosage and facilitate the use of a peasant. The harm of various broad leaf weeds in a paddy field, a wheat field and a corn field can be prevented by using the weedicide once; therefore, the dosage of the weedicide in the paddy field, the wheat field, the corn field and the like can be reduced; and the prevention and removal effects on noxious weeds can be improved.

The invention relates to a rice-straw antibacterial soil amendment. The rice-straw antibacterial soil amendment is prepared from the following raw materials in parts by weight: 30-35 parts of rice straws, 20-30 parts of biochar, 10-15 parts of bean meal, 5-10 parts of cassava residue, 10-15 parts of chicken manure, 5-10 parts of diatom ooze, 2-3 parts of artemisia argyi, 2-2.5 parts of glycyrrhiza uralensis, 2-2.5 parts of pine needles, 2-3 parts of tea tree oil, 2-2.5 parts of plant ash, 2-3 parts of zeolite powder, 2-3 parts of microbial functional bacterium agent, 2-3 parts of sodium benzoate, 1-2 parts of amino acid, 1-2 parts of starch and 1-2 parts of molasses powder. According to the rice-straw antibacterial soil amendment, plant wastes are adopted as the raw materials, so that the improvement on quality of soil is facilitated, the production cost can be reduced; the physicochemical properties of the soil are improved, the structure of the soil is comprehensively improved, and the texture of the soil can achieve soft, air-permeable, water-retention and fertilizer retention effects; and the rice-straw antibacterial soil amendment plays roles in sterilizing, weeding, increasing the utilization ratio of chemical fertilizers, promoting the root system development of crops, increasing crop yield and improving product quality.

The invention relates to a natural plant biological composite nutrient solution for killing nematode and a preparation method thereof. The natural plant biological composite nutrient solution for killing nematode comprises bacillus subtilis bacillus subtilis, paecilomyces lilacinus, beauveria bassiana and plants marigold flower, stemona, maidenhair, sophora flavescens, derris trifoliata, melia azedarach and protein liquid according to weight ratio, compared with prior art, the natural plant biological composite nutrient solution has beneficial effects that harm due to soil borne parasites such as root-knot nematode, heterodera sachachtii, and ditylenchus dipsaci can be effectively prevented and treated; no pesticide residue on soil and crops fruits can be realized, usage is convenient, no pollution is generated, nematode harm can be avoided by using the solution for three times in a whole fertility period, and the nutrient solution creates condition for producing green organic food; and has good prevention and treatment effects for crop soil borne disease, can improve the soil and increase soil granular structure, and is capable of preventing soil hardening, increasing the content of the organic matter, dissolving phosphor, releasing potassium and fixating nitrogen, as well as supplementing crop nutrition.

A method of monitoring a washing machine aggregate for impermissible or atypical movements during a first phase of a washing program while water is being filled into the aggregate and for discontinuing the filling upon detection of such movement as may result, for instance, from the presence of a child or animal in the aggregate.

The invention discloses a multifunctional liquid fertilizer capable of degrading pesticide residues and a preparation method thereof. The multifunctional liquid fertilizer is prepared from the following components in parts by weight: 5-10 parts of a nitrogen-containing component, 10-20 parts of a phosphorus-containing and potassium-containing component, 2-3 parts of a chelated medium and trace element component, 3-5 parts of amino acid, 8-10 parts of an organic matter, 10-15 parts of humic acid, 10-15 parts of a pesticide detoxifying enzyme, 0.5-2 parts of antifreezing protein, 0.5-1.5 parts of antibacterial peptides and 35-42 parts of water, wherein the pesticide detoxifying enzyme is prepared by mixing protease, cellulase, pectinase, catalase, amylase, glycerin, trimethylolethane, pentaerythritol, xylitol, sorbitol and water. The multifunctional liquid fertilizer can effectively degrade the pesticide residues and reduce the using amounts of pesticides, and can prevent plant diseasesand insect pests and maintain the balance of agroecological environment, so that the agricultural yield and the agricultural income are increased, the quality of agricultural products is improved andthe agricultural production environment is improved; the multifunctional liquid fertilizer has the advantages of comprehensive and balanced nutrition, high plant absorption and utilization rate, wideapplication range, simple preparation technology, economic benefit, high efficiency, environmental protection and the like.

The invention provides a synergistic kasugamycin composition containing tea saponin. The kasugamycin composition has insecticidal, bactericidal and antiviral functions and is capable of inducing a plant to generate a disease-resistant function; the composition specifically comprises 1 to 50% of kasugamycin, 9 to 70% of tea saponin, 1 to 10% of salicylic acid and 5 to 30% of a surfactant, with the balance being a carrier or accessory material. The composition provided by the invention has stable properties; a formula for the composition is reasonable; a wettable powder, a water dispersible granule, a water aqua, a soluble powder and a soluble granule containing 1 to 50% of the effective component kasugamycin can be prepared by using a production method for a common pesticide preparation; the composition has wide-spectrum prevention and treatment effects on bacteria, fungi, viruses and insects on crops, can induce a plant to generate stress resistance and is a purely biological pesticide composition.

The present invention relates to the field of medicinal plant cultivation, in particular to a Polygonum multiflorum planting method. The method comprises the concrete steps of planting area selection, ridge and soil preparation, seedling selection, transplanting and engrafting, water and fertilizer management, frame setting and branch picking, pest and disease control, harvesting and drying. The planting method provided by the present invention is easy in operation, low in cost and high in survival rate of seedlings; different medicinal liquids are used for controlling different pests and different diseases specifically on the aspect of Polygonum multiflorum disease and pest control; harms of these pests and diseases to the Polygonum multiflorum can be effectively controlled; the occurring rate of the pests and diseases in an overall growth stage is low; and according to the method provided by the present invention, the line spacing and row spacing of field planting are arranged reasonably, so that the survival rate and yield of the Polygonum multiflorum are improved, and the Polygonum multiflorum planted and obtained by using the method provided by the present invention is stable in quality and high in yield.

The invention discloses a planting method of platycodon grandiflorum, and relates to the technical field of planting. The method comprises the steps of a, preparing a land; b, fertilizing; c, processing seeds; d, sowing the seeds; e, removing weeds and topdressing; f, preventing and treating diseases and insect pests. Compared with the prior art, the method has the advantages that the platycodon grandiflorum is planted in a crested land, so that the roots can be prevented from being eroded by accumulated water and bacteria, and the phenomenon that the roots are rotted can be avoided; the seeds are processed, thus the germination rate of the seeds can be increased, and as a result, the output of platycodon grandiflorum is increased.

The invention relates to a chlorpyrifos*highly effective lambda-cyhalothrin emulsifiable concentrate (EC), which is composed of a technical product of highly effective lambda-cyhalothrin, a technical product of chlorpyrifos, emulsifier (2204 type) and solvent of xylene which are compounded together. Field drug efficacy experiments prove that the agricultural chemical can effectively prevent and control the harm of cabbage worms to the growth of vegetables (for example, celery cabbage), causes no toxic danger to vegetables, human and livestock, the production cost of the vegetables can be reduced, and the vegetable supply to inhabitants can be guaranteed.

The invention provides a laser safety control device, which comprises a depth camera, which comprises a laser light source and is used for collecting a depth image of an object in a first depth range;a range sensor, which is used for detecting proximity of an object in a second depth range, and magnitude relation between the lower limit of the first depth range and the upper limit of the second depth range being adjustable; and a processor, which is connected with the depth camera and the range sensor, and is used for judging whether the proximity of the object is risky, and carrying out control on the laser light source when the proximity of the object is risky. The invention also provides a laser safety control method. The laser safety control device and method can effectively prevent laser from causing damage to the collected object in the 3D image acquisition process, can realize multiple-proximity detection, and have different safety levels.

The invention discloses a preparation method of green pesticide fertilizer. The fertilizer is mainly prepared from inorganic fertilizer, organic fertilizer, lime, magnesium chloride and / or magnesium oxide, ammonium sulfate, water soluble silicate, zinc sulfate, borax and / or boric acid, ammonium molybdate, insecticidal plant extract, filler and plant regulator through even mixing. The insecticidal plant extract is prepared from plant raw materials including ricinus communis, tripterygium glycosides, derris roots, sophora flavescens, melia toosendan, ageratum conyzoides, paprika powder and orange peel by conducting concentrating, drying, smashing, screening and even mixing on an extracting solution prepared through a water extracting process. The pesticide fertilizer prepared through the method is comprehensive in nutrient and reasonable in ratio, the damage of crop underground harmful insects can be effectively prevented and treated, crop yield is increased, the farmland ecological balance can be effectively protected, and soil hardening, soil loss, soil depletion and other problems are prevented.

The invention provides a gyroscope based elevator platform speed measuring system. The system comprises a gyroscope signal acquiring unit, a gyroscope signal analyzing unit, a speed signal comparing unit, a vibrating signal comparing unit, alarming units and a big data platform, wherein the gyroscope information acquiring unit is connected to the gyroscope signal analyzing unit; the gyroscope signal analyzing unit is connected to the big data platform, the speed signal comparing unit and the vibrating signal comparing unit; the speed signal comparing unit and the vibrating signal comparing unit are correspondingly connected to the alarming units; in case of abnormal conditions, an alarming signal is sent to the corresponding alarming unit which is connected to an elevator maintenance and protection department; after receiving the alarming signal, the alarming units send alarming signals to the corresponding elevator maintenance and protection departments. The invention also provides agyroscope based elevator platform speed measuring method. According to the system and the method, the comprehensive detection method of gyroscope parameters is utilized, so that the elevator running state can be accurately reflected, and as a result, the damage caused by elevator risks and faults can be effectively prevented.

The invention discloses a refuse leachate treatment method. The refuse leachate is pretreated preliminarily by using an adsorption column filled with fillers of natural zeolite and boron mud so that the concentration of ammonia nitrogen in the refuse leachate is reduced, then the treated refuse leachate is subjected to two-stage aerobic aeration and anoxia stirring by using a water injecting delaying sequencing batch reactor, and finally the treated refuse leachate is treated deeply by using constructed wetland to reach the standard before being discharged. The refuse leachate treatment method disclosed by the invention has the advantages of high removal efficiency of ammonia nitrogen and organic matters, low treatment cost, stable quality of treated refuse leachate and strong impact load resisting capacity. In addition, the generated surplus sludge can be recovered and used as a feed or compost, the harm of the refuse leachate to the human health can be prevented effectively, the problems that the existing refuse leachate treatment process is low in nitrogen removal efficiency, high in treatment cost and poor in stability and can not adapt to the quality change of the refuse leachate flexibly can be solved. The refuse leachate treatment method disclosed by the invention can be widely popularized and applied to the treatment of refuse leachate in the refuse landfill.

The invention discloses a method for drainage and grouting of stratifugicwater, and relates to the technical field of mine safety. The method includes the following steps: firstly, a water inrush source and aquifer locations above a stope are determined; then mechanical parameters of aquifers are analyzed through an overburden strata mechanics mechanism, then hydrogeological analysis of each aquifer in an overlying rock is conducted though a geophysical exploration method, and the maximum aquifer in a stratifugicwater supply source is selected as a target aquifer; and with exploitation of a stoping working face, the stratifugicspace below the target aquifer develops gradually, and underground drilling drainage and surface drilling stratifugicgrouting are conducted on the stratifugicspace to form a recycled water-resisting layer. According to the method for drainage and grouting of the stratifugic water, underground drilling drainage is conducted on the stratifugicwater, surface drilling, grouting and filling are conducted on the stratifugicspace, the fracture of a soft formation is filled with grout again to form a recycled water-resisting layer, and thus damage of the separation layer water to underground roadways can be effectively controlled; and meanwhile, the stratifugicspace is filled with the grout, overburden strata movement can be controlled, and thus surface movementand deformation are lowered.

The invention discloses an avirulence gene avrxa5 for exciting rice to produce disease-resistant response in the technical field of biology. A gene sequence is SEQ ID NO.1,the length of the sequence is 3,717bp, a digestion site on the gene is the same as those of avrBs3 / PthA family genes, and the repeat number of a 102bp repeating unit in the gene is 19.5; and the avirulence gene avrxa5 encodes 1,238 amino acids, the sequence of the amino acid is SEQ ID NO.2, and 34 amino acid repeating units encoded by 102bp are repeated for 19.5 times in protein. The avrxa5 gene can be taken as a gene resource of disease-resistant breeding of resisting bacterial blight of the rice; and after the gene is transferred into an Xanthomonas oryzae pv. oryzae PXO99 strain, the rice containing an xa5 disease-resistant gene can produce the disease-resistant response to make Xanthomonas oryzae pv. oryzae difficult to effectively infect the rice.

The invention discloses a method for preparing fertilizer capable of controlling soil crop pests. The fertilizer is prepared mainly by uniformly mixing inorganic fertilizer, organic fertilizer, pesticidal plant extract, filler and plant regulator. The pesticidal plant extract is obtained by conducting condensation, drying, smashing, screening and uniform mixing on an extracting solution prepared from castor-oil plant, thunder god vine, derris root, radix sophorae flavescentis, szechwan Chinaberry fruit, ageratum conyzoides, paprika powder and orange peel through ethanol extraction. By adding plant source extract with high disease and pest resistance to the fertilizer, damage of soil crop pests can be effectively controlled; base fertilizer and insecticide ingredients are mixed to be used, fertilizer functions and insecticide functions are realized, soil improvement is achieved, water and nutrient retention capacity of soil is improved, and the ecological environment of soil is protected; raw material sources are wide, price is low, preparing process is simple, and the preparing cost of the fertilizer is reduced to a certain degree.

The invention discloses a magneto electric detonator controller, and especially relates to an electronic delay magneto electric detonator controller and a control method thereof. According to the electronic delay magneto electric detonator controller, the signal output end of a special magneto electric exploder is connected with the input end of an electromagnetism electrical energy converting unit; the electromagnetism electrical energy converting unit is connected with a detonator leg wire polarity judging unit through a detonator leg wire; the output end of the detonator leg wire polarity judging unit is connected with a rectifying and voltagestabilizing circuit and a data communication input unit; the output end of the data communication input unit is connected with a center processor; the output end of a rectification and voltagestabilizing circuit is connected with an electric energy storage circuit; the electric energy storage circuit and the center processor are connected with an energy storage element discharge circuit; the output end of the center processor is connected with a detonator firing circuit. The electronic delay magneto electric detonator controller has the relatively good functions of stray electricity resistance, static electricity resistance, and radio-frequency radiation resistance, has high delay time accuracy, simplifies the production technology, and improves the detonator safety in use.

The invention relates to a composition used for preventing and killing grapholitha molesta. The composition contains 1 to 20% of fenoxycarb, 1 to 20% of diflubenzuron, 1 to 20% of celangulin, and 0.1 to 1% of hendecanol. The composition is used for preventing and killing grapholitha molesta, and effect is excellent.

The invention discloses an automatic environment monitoring system.The automatic environment monitoring system comprises a server, at least one user side and at least one environment monitoring side.The environment monitoring sides are in wireless communication with the server and are used for acquiring environment data, in regard to at least one environment characteristic, of an environment of the environment monitoring sides and uploading the acquired environment data to the server.The user sides are in communication with the server and are used for calling the environment data stored in the server.By means of the automatic environment monitoring system, automatic sampling can be conducted, the environment can be online monitored, and the monitored data can be automatically transmitted to the server, collected by the server and called by the user sides at any time.Based on the automatic environment monitoring system, users can conveniently and quickly know the dynamic change of the target environment, and environment management capacity is improved.

The invention relates to the technical field of agricultural biology, in particular to a bemisia tabaci MED cryptic species chromatin remodeling factor Btbrm2 and an encoding gene and application thereof. The amino acid sequence of the remodeling factor is shown as SEQ ID No: 2. According to the invention, the difference of expression modes of the Btbrm2 gene in a bemisia tabaci invasive species MED cryptic species and a local species Asia II1 cryptic species at different temperatures is defined. Reducing the expression of this gene directly reduces the tolerance of MED cryptic species to stress temperatures. The obtained result lays a foundation for further researching the relationship between the temperature tolerance mechanism of the bemisia tabaci MED cryptic species and epigenetic chromatin remodeling, and can be used for destroying the temperature tolerance of the bemisia tabaci and further preventing and treating the harm and diffusion of the bemisia tabaci.

The invention discloses a bonsai tea tree substrate prepared from Sichuan pepper processing waste, and belongs to the technical field of waste and old resource recovery and utilization. The bonsai teatree substrate is prepared from the following raw materials in parts by weight: 40 to 50 parts of Sichuan pepper processing waste, 12 to 20 parts of vermiculite, 30 to 40 parts of loam, 4 to 6 partsof peat soil, 5 to 7 parts of guano, 8 to 10 parts of pig manure, 6 to 8 parts of kieselguhr, 3 to 5 parts of humic acid, 2 to 4 parts of fulvic acid, 6 to 8 parts of perlite, 4 to 6 parts of fish bone powder, 8 to 10 parts of pine leaves, 2 to 3 parts of bacillus polyterpenoids bacterial agents, 3 to 5 parts of actinomycetes bacterial agents, 4 to 6 parts of chimney ash, 7 to 9 parts of corn stalk ash, 10 to 15 parts of alga, 5 to 10 parts of fatty acid, 2 to 5 parts of oxalic acid, 7 to 9 parts of sodium carbonate and 60 to 70 parts of 75-percent ethanol. The substrate contains rich nutrition elements and has the advantages of good ventilation performance, good water absorption performance and good water holding capability; the proper environment is provided for the growth of the bonsaitea tree; the harm due to anthrax and euproctis pseudoconspersa can be effectively prevented and treated.

A method of monitoring a washing drum in a washing machine for impermissible or atypical movement during a first phase of a washing program as may result, for instance, from the presence of a child or animal in the drum, and of aborting the washing program upon detection of such impermissible movement.

The invention discloses an application of a high water-absorbing seed coating in prolonging mechanical transplanted seedling age of rice. The high water-absorbing seed coating is a Duo.Duozuo seed-dressing agent, the commercial number of which is drought-foster nurse. The using steps comprise matching of nutrient soil, seed coating, plate swinging and sowing, seedling management and the like. According to the application, the rice seeds are coated by using the high water-absorbing seed coating to culture mechanical transplanted seedlings, so that diseases such as bakanae disease, damping off and the like can be prevented and treated and the quality of the seedings is improved, and the suitable planting age of the mechanical transplanted seedlings is greatly prolonged. Moreover, the seeding-growing link of the mechanical transplanted seedlings is reduced, the labor and medicinal costs are lowered, and the breeding level of the mechanical transplanted seedlings is improved.

The invention relates to the technical field of agricultural biology, in particular to a bemisia tabaci MED cryptic species chromatin remodeling gene Btiswi and application thereof. The nucleotide sequence of the gene is shown as SEQ ID No: 1. The expression mode of the Btiswi gene in bemisia tabaci MED cryptic species under the temperature gradient is defined. The tolerance capacity of the MED cryptic species to the stress temperature is directly reduced by reducing expression of the gene. The obtained result lays a foundation for further defining the effect of the chromatin remodeling factorin the process that bemisia tabaci rapidly adapts to the poor environment condition, and a theoretical basis is provided for further revealing rapid expansion and outbreak disaster-forming mechanismof the MED cryptic species. The bemisia tabaci MED cryptic species chromatin remodeling gene Btiswi can be used for damaging the temperature tolerance of the bemisia tabaci and then used for preventing and controlling harm and diffusion of the bemisia tabaci.

The invention discloses a polybasic efficient pesticide-fertilizer mixture with a control efficacy on underground crop pests. The mixture is prepared from the following ingredients: inorganic fertilizer, organic fertilizer, hydrated lime, magnesium chloride and / or magnesium oxide, ammonium sulfate, water-soluble silicate, zinc sulfate, borax and / or boric acid, ammonium molybdate, a pesticidal plant extract, a filler and a plant growth regulator, wherein the pesticidal plant extract comprises the following plant materials: castor, tripterygium wilfordii, derris root, kuh-seng, Szechwan Chinaberry fruit, ageratum conyzoides, zanthoxylum powder and orange peel. A preparation method for the pesticidal plant extract comprises the following steps: performing a water extraction / alcohol extraction / ultrasonic extraction process to obtain an extraction liquid, and then performing concentration, drying, crushing, screening and uniform mixing to prepare the pesticidal plant extract. The mixture provided by the invention is comprehensive in nutrition and reasonable in composition, and can be utilized for not only effectively preventing damage of the underground crop pests and improving the crop yield, but also effectively protecting the ecological balance in farmland, and solving the problems such as soil hardening, soil loss and soil depletion.

The invention discloses a field direct seeding and seedling raising device and relates to the field of seeding and seedling protection methods for field direct seeding and seedling raising of crops. The field direct seeding and seedling raising device comprises a basin body and a basin cover, can conduct various comprehensive protection on field seeds and seedlings of the crops, such as drought prevention, waterlogging prevention, disease resistance, insect resistance, weeding and soil hardening prevention, and ensures the complete and strong seedlings of the crops. The seedling raising device comprises a basin bottom and the basin cover. The method comprises the steps of using insecticide for coating before the seeding, using herbicide after the seeding, burying half of the seedling raising device into soil during the seeding, seeding in the seedling raising device, covering the seedling raising device before seedling emergence for drought prevention, rain prevention and rainstorm prevention, removing the cover after partial seedling emergence to ensure sufficient sunlight, and removing the seedling raising device from a field when the seedlings grow up.

The invention relates to a repellent and a lure for Ips subelongatus Motschulsky and preparation methods thereof, belonging to the technical field of prevention and control of Ips subelongatus Motschulsky. The repellent comprises one or a mixture of more than two selected from the group consisting of trans-verbenol, cis-3-hexen-1-ol, linalool and R-alpha-pinene. The repellent provided by the invention has good release performance, repellent activity and stability and broad industrialization prospects; and since the preparation method for the repellent is simple, the repellent is especially applicable to large-area popularization in production, so mass prevention and mass control effects aiming at harm of Ips subelongatus Motschulsky are achieved. Combined use of the repellent and the lure is suitable for comprehensive prevention and control of Ips subelongatus Motschulsky in a place with a large occurrence area and complex topography and terrain, so Ips subelongatus Motschulsky push-and-pull technology is applied to prevention and control of the harm of Ips subelongatus Motschulsky, and good economic benefits, social benefits and ecological benefits are obtained.