23results about How to "Good prevention and control effect" patented technology

The invention discloses a plateau mountain plant invasion prevention and control ecological barrier forest grass belt configuration optimization method, and relates to the technical field of ecological barrier construction, and the method comprises the steps: collecting basic ecological data of a target research region, and generating an ecological thematic map through preprocessing and visual marking; investigating and counting invasive plant distribution data of the target area, and mapping the invasive plant distribution data to the ecological thematic map to generate an invasive plant distribution thematic map; determining an intrusion source ground and an intrusion path through spatial analysis and diffusion path analysis; performing grade evaluation on the protection area based on the intrusion distribution data, superposing an intrusion path and risk grade information, and determining an ecological barrier range; and constructing an ecological barrier forest and grass belt system, outputting a configuration scheme, and implementing plant invasion prevention and control. The technical problem that in the prior art, accurate prevention and control of invasive plants in a complex ecological environment are difficult due to insufficient comprehensiveness is solved, and the technical effect of optimizing the prevention and control effect on the invasive plants in the target research area is achieved.

The present invention discloses a composite bacterial agent capable of preventing and controlling Hami melon wilt and root-knot nematode disease, comprising Trichoderma fungus NJAU-HNF11 and Bacillus bacteria NJAU-HNB23. The present invention also discloses the use of the composite bacterial agent in preventing and controlling Hami melon wilt, root-knot nematode disease, and promoting Hami melon growth. The composite bacterial agent of the present invention has a significant prevention and control effect on Hami melon wilt and root-knot nematode disease, and also has a significant Hami melon growth-promoting effect. The composite bacterial agent of the present invention can improve production efficiency and ecological environmental benefits, and promote the green, healthy and sustainable development of agriculture.

The invention belongs to the field of pesticides, and particularly relates to a seed treating agent containing difenoconazole, metalaxyl-M and pyraclostrobin, the mass ratio of the difenoconazole to the metalaxyl-M to the pyraclostrobin is (1-5): (2-6): (5-10), the seed treating agent can be used for soybean seed treatment, has a good inhibition effect on various fungi and oomycetes diseases of soybeans, and has a good application prospect. And when the active ingredients have a synergistic effect, the use dosage of the active ingredients can be obviously reduced, the generation of drug resistance of germs can be retarded, and the environmental pollution can be alleviated.

The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.

The utility model discloses a water treatment device capable of synchronously removing algae and sterilizing, which comprises a quantitative medicament adding device, a blending device and an ultraviolet irradiation device, and the blending device comprises a blending box body, a spiral blade, a fine grid, a water inlet pipe, a suction pump and a spiral blade driving device, the ultraviolet irradiation device comprises an ultraviolet irradiation box body, a connecting frame, a water outlet pipe, an ultraviolet lamp tube, a light-transmitting box and a partition plate. The device is provided with the medicament quantitative adding device and the ultraviolet irradiation device, the medicament quantitative adding device can reduce the workload and quantitatively add the medicament, the ultraviolet irradiation device can sterilize the water body again while providing activation energy for the medicament, the activated PMS can generate SO4 and HO with strong oxidizing property, and the PMS can be used for purifying the water body. The cell membranes of microalgae and pathogenic bacteria in the water body can be directly damaged, and light reactivation during independent UV irradiation is avoided; in addition, independent UV irradiation is greatly influenced by water turbidity, and after UV and PMS are combined for use, SO4 and HO with strong oxidizing property can be generated, so that the removal effect on microalgae and pathogenic bacteria under complex algal-bacterial symbiosis conditions can be obviously improved.

The present invention relates to an endophytic Bacillus subtilis (Bacillus sp.) A1 strain of Malus xifuensis and its metabolically active substances in the prevention and treatment of tomato black spot disease. The strain is deposited in the China Center for Type Culture Collection, with a preservation date of May 20, 2024, and a preservation number of CCTCC NO: M 20241010. This study found that the volatile substances produced by the A1 strain, including 3-methylbutyric acid, 2-methylbutyric acid, 2-nonanone and 2-nonanol, can effectively inhibit the growth of tomato Alternaria mycelium, reduce the infection of tomato Alternaria to tomato fruits, and can be used to prevent and treat tomato black spot disease. Provides a new beneficial bacterial strain resource for the biological control of tomato black spot disease.

The invention provides a screening method of entomopathogenic nematodes for preventing and controlling plagiospermus giganteus larvae in pine soil, and relates to the technical field of biology. The method comprises the following steps: collecting a plurality of entomopathogenic nematodes, and digging the larvae and peripheral soil of the platystigma obtusifolium as test materials; screening entomopathogenic nematode types by calculating the death rate and the corrected death rate of the larvae of the platystigma oblasioides; screening out two high-virulence pathogenic nematode strains, and testing the lethal effect of different doses of the high-virulence pathogenic nematodes on the larvae of the plagiospermus giganteus; testing the lethal effect of the screened high-toxicity pathogenic nematodes on the larvae of the plagiospermus giganteus in different soil layer thicknesses; the test data is analyzed, a conclusion is given, and an important basis is provided for preventing and controlling the larvae of the flat leaf bees by utilizing the entomopathogenic nematodes.

The invention relates to a strain of Glutamicobacter soli for antagonizing bacterial wilt, which is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number of the Glutamicobacter soli is CCTCC NO: M 20232211. The antagonistic bacterium has a good antagonistic effect on ralstonia solanacearum strains with relatively strong pathogenicity, and shows an excellent prevention and control effect in indoor potting. Field experiments prove that the bacillus subtilis has an excellent prevention and control effect, is a potential biological agent for preventing and controlling the bacterial wilt disease, has a good development and application prospect, has a greatly improved prevention and control effect compared with a chemical reagent for the tobacco bacterial wilt disease, and is expected to be applied to providing a new green and safe prevention and control scheme in the prevention and control of the tobacco bacterial wilt disease.

The invention provides a rice planthopper prevention and control method based on nitrogen fertilizer application, and belongs to the technical field of agricultural planting. According to the method, nitrogenous fertilizer application and rice planthopper prevention and control are combined, and the synergistic interaction of high rice yield and pest control is achieved. The method specifically comprises the four key steps of base fertilizer application, tillering stage regulation and control, accurate nitrogen supply in the heading stage and fertilizer supplementation in the filling stage, nitrogen, phosphorus and potassium fertilizers are reasonably distributed in all the steps, a plant source repellent is compositely added when the heading fertilizer is applied, and meanwhile scientific water management and leaf surface spraying technologies are matched. Through staged precise regulation and control of the nitrogen fertilizer and multi-technology cooperation, the rice planthopper prevention and control effect can be larger than or equal to 70%, the chemical pesticide application amount is reduced by 40% or above, and the method is suitable for various rice planting modes and has remarkable economic benefits and ecological benefits.

The invention discloses a bacillus PY4 strain capable of efficiently antagonizing various phytopathogens and application of the bacillus PY4 strain, and belongs to the technical field of biological prevention and control of plant diseases. The strain has stable morphological characteristics, and is identified according to a 16S rRNA (ribosomal Ribonucleic Acid) sequence, and the strain is a Paenibacillus bacterium. An in-vitro confrontation test proves that the PY4 can effectively inhibit pathogenic fungi such as sclerotinia sclerotiorum, fusarium graminearum, pseudocauda sp, alternaria alternata and sclerotium rolfsii. Field application results show that the PY4 has a good prevention and treatment effect on sclerotinia rot of colza. The invention further provides a biocontrol agent based on the strain and an application method of the biocontrol agent. The biocontrol agent can be used for green prevention and control of soil-borne and leaf-borne fungal diseases of crops.

The invention relates to the technical field of pest control, and discloses a prevention and control method, device and equipment for intercepting and eradicating solenopsis invicta in a new area. The method comprises the following steps: when a solenopsis invicta epidemic situation occurs, determining a new epidemic situation occurrence area and a potential occurrence area, and blocking the new epidemic situation occurrence area; monitoring and investigating the new epidemic occurrence area and the potential occurrence area to obtain the distribution range and the occurrence degree of the solenopsis invicta; according to the distribution range and the occurrence degree of the solenopsis invicta, killing, preventing and treating solenopsis invicta nests in stages to restrain occurrence and diffusion of the solenopsis invicta; and performing prevention effect investigation and tracking monitoring on the killed solenopsis invicta nests, and guiding the next step of prevention and control according to a monitoring result. The method has the advantages of being good in prevention and control effect and lasting in prevention and control effect, is suitable for prevention and control of red imported fire ant epidemic situations in newly-occurring areas, thoroughly removes ant nests, and can timely, effectively and rapidly control and kill red imported fire ants.

The present invention relates to the technical field of pesticides, and relates to an efficient use method of Metarhizium reinhardtii Mr006, which is applied to the prevention and control of lepidopteran pests such as fall armyworm. Metarhizium reinhardtii Mr006 is mixed with chlorantraniliprole, and on the basis of clarifying the compatibility of the two, it is found that the treatment of first bacteria and then medicine, and first medicine and then bacteria have excellent control effects on fall armyworm, and the combination of the two has an excellent synergistic effect, achieving the purpose of improving the insecticidal activity of Metarhizium reinhardtii Mr006 and reducing the amount of chlorantraniliprole; at the same time, the effect of taking both quick-acting and lasting effects into consideration is achieved, providing ideas for pest resistance management, and providing a basis for long-term green control of fall armyworm populations.

The invention discloses a device for preventing and controlling thrips, including a panel and a core plate, wherein the panel is provided with a plurality of quadrilateral holes of the same size arranged horizontally and vertically, the corners of two adjacent quadrilateral holes correspond to each other, the front and back sides of the core plate are provided with quadrilateral bosses corresponding to the quadrilateral holes of the panel, a non-stick layer is provided on the quadrilateral bosses, the panels are respectively arranged on both sides of the core plate, and the quadrilateral bosses can be embedded in the quadrilateral holes, the outer wall of the quadrilateral bosses contacts the inner wall of the quadrilateral holes, the surface of the non-stick layer is flush with the surface of the panel, the core plate is a hollow structure, and a volatilization hole is provided on the top of the core plate. The present invention adopts a structure in which the panel and the core plate are combined, which is convenient for disassembly and maintenance, does not affect the smearing and attachment of semi-solid viscous materials, and when cleaning thrips, the residual amount of semi-solid viscous materials on the panel can be effectively reduced, and has the advantages of good prevention and control effect and convenient cleaning.

The application discloses application of a secondary metabolite of Penicillium roqueforti PR1 and an effective component thereof in prevention and treatment of plant bacterial diseases, and belongs to the technical field of bactericides. The secondary metabolite of Penicillium roqueforti PR1 (Z44-K1) prepared by the application and ethyl-alpha-D-glucoside (Z44-K11) and ethyl-beta-D-glucopyranoside (Z44-K12) contained in the secondary metabolite have good prevention and control effects on rice bacterial leaf blight bacteria. The indoor prevention effect of Z44-K1 reaches 44.29% at a concentration of 50 ng / mL; the indoor prevention effect of Z44-K11 on rice bacterial leaf blight reaches 60.87% at 50 ng / mL; and the indoor prevention effect of Z44-K12 reaches 59.88% at 10 ng / mL. As plant immune inducers, the secondary metabolite and the effective component thereof are extremely low in dosage, safe, green and efficient, and provide a new idea for prevention and treatment of plant bacterial diseases.

The invention relates to the field of biological and chemical prevention and control, in particular to a method for preventing and controlling aphids by combining predatory natural enemies orius sativus and afidopyropen, and the method comprises the step of preventing and controlling the aphids with resistance to chemical pesticides. The invention provides a novel prevention and control technology combining biological prevention and control and chemical prevention and control, aims at combining'insect control by insects' and'insect control by medicines', and explores a novel prevention and control way. The predatory natural enemy can prey for prevention and control for a long time, the unique action mechanism and combined prevention and control of the afidopyropen are exerted, the prevention and control effect is remarkably improved, the duration time is long, the cost is saved by 80% or above compared with that of independent application of the predatory natural enemy, and the prevention and control effect is better than that of independent application of the afidopyropen. The combined application of natural enemies and pesticides can reduce the use amount of chemical pesticides, reduce the damage rate of crops, delay the generation of pest resistance to drugs, develop a new means of pesticides in the field of pest control, and open up an important way for a comprehensive control technical system of resistant aphids.

The invention belongs to the field of agricultural bactericides, and particularly relates to a bactericidal composition containing Aminopyrifen and pydiflumetofen and application of the bactericidal composition, and the mass ratio of Aminopyrifen to pydiflumetofen in active ingredients of the bactericidal composition is (1: 3)-(2: 3); the bactericidal composition has an excellent bactericidal effect, has a remarkable synergistic effect on wheat scab, can effectively reduce the use dosage of active ingredients and slow down the generation of drug resistance of germs, and is safe to crops.

The present application relates to a kind of organic acid powder compositions for improving pig house environment.It is formed by the uniform mixing of the following weight ratio of raw materials: carrier particles 70~80 parts, organic acid powder 8~15 parts, spore beneficial bacteria combination powder 3~7 parts.The present application has very good effect of reducing humidity in pig house, and also has good microbial inhibition isolation and prevention and control effect;Using the product and method of the present application for pig house environment improvement, humidity control effect and microbial prevention and control effect can be obtained.

The lens for inhibiting axial elongation based on 3D disordered microstructure partition regulation point diffusion belongs to the technical field of eye optics and myopia prevention and control, and comprises a lens base and a disordered dynamic microstructure layer arranged on the lens base; the inner surface of the lens base is processed with a point diffusion function, the disordered dynamic microstructure layer comprises a plurality of microstructure units arranged in a non-periodic manner in space, and the microstructure units modulate and scatter incident light to regulate the point diffusion function of the imaging of the inner surface of the lens; the optical properties of the microstructure units can dynamically change in response to external stimulation, so that the form of the point diffusion function of the inner surface of the lens dynamically adjusts to provide a dynamic stimulation signal for inhibiting axial elongation to the retina. By introducing the disordered dynamic microstructure, the point spread function (PSF) of the incident light is intelligently regulated, a dynamic, non-periodic and optimized light signal distribution is formed at the periphery of the retina, and the axial elongation is more effectively inhibited.

The invention discloses a high-density cultivation method for Fenghuang plums. The high-density cultivation method comprises the following steps of telescopic rain shelter building, soil preparation and planting, drip irrigation arrangement, pollination period management, shaping and pruning and soil, fertilizer and water management. According to the method, the influence of rainwater on pollination, pesticide effect and fruit quality can be remarkably reduced, the large demands of high-density planting on illumination, ventilation and water and fertilizer are met, and fine management of Fenghuang plums under different weather conditions is achieved. The cultivation system can remarkably improve pollination efficiency, reduce diseases and insect pests, control application of water and fertilizer, bear fruits in advance, and achieve the goals of high quality, high yield, water saving and fertilizer saving. Therefore, orchard yield and fruit quality are improved, pest and disease damage is reduced, and economic benefit is improved.

A protective isolation device for oral operation treatment, consisting of a transparent protective isolation box and a shoulder bracket, wherein the transparent protective isolation box is provided with a left operation port, a right operation port, an upper operation port, an air guide port for providing fresh air into the box, and a negative pressure exhaust port for exhausting the air in the box. The shoulder bracket is used to stably wear the transparent protective isolation box on the patient's head. This protective isolation device for oral operation treatment can place the patient's head in the transparent isolation box, ensuring that the medical staff has a good operating field of view and space and freedom for operation. This device avoids the risk of droplets and aerosols carrying pathogenic microorganisms being spread in the air in existing prevention and control technologies, and can not only provide additional safety protection for medical staff during oral operation treatment, greatly reducing the risk of hospital infection, but also facilitate the implementation of operation treatment.

The invention belongs to the field of agricultural bactericides, and particularly relates to a bactericidal composition containing Aminopyrifen and Ipflufenoquin and application of the bactericidal composition, and the mass ratio of Aminopyrifen to Ipflufenoquin in active ingredients of the bactericidal composition is (1: 4)-(2: 3) or 3: 2. Indoor biological assay, observation of conidium germination, observation of toxosome formation and field efficacy test results show that the composition has a synergistic effect and has excellent bacteriostasis and disease prevention effects on gibberellic disease bacteria and wheat scab caused by the gibberellic disease bacteria. The composition consists of effective components with different action mechanisms, is beneficial to overcoming and delaying the generation of drug resistance of pathogenic bacteria, and is safe to the growth of test crops.

The utility model discloses a forest fire prevention emergency alarm device which structurally comprises a stand column, a gas collecting hood and a smoke alarm, a suction fan generates suction force to suck air outwards, the air is sucked into an air cavity through an air inlet formed in the outer side of the gas collecting hood, and external impurities or insects are prevented from entering the air cavity through an external filter screen. In the process that air enters the air cavity and then goes downwards, the air can be analyzed through induction of the smoke alarm, if smoke exists, an alarm is given, and information is transmitted through the signal transmitter, so that a worker can control the motor to enable the rotating fixed column at the upper end to drive the camera to rotate; therefore, the smog can be observed, the fire can be monitored in time and treated in time, and the problem of fire is avoided.

The invention discloses pantoea KG-43 and application of the pantoea KG-43 in prevention and control of mulberry diseases. The Pantoea coffeiphila KG-43 is obtained and is preserved in the Guangdong Microbial Culture Collection Center on June 18, 2024, and the preservation number of the Pantoea coffeiphila KG-43 is GDMCC (China General Microbiological Culture Collection Center) NO: 64765. The pantoea KG-43 has a good antagonistic effect on lauraceae lauraceae and pantoea ananatis, has a good prevention and control effect on plant diseases, including mulberry ralstonia solanacearum and mulberry bacterial wilt, caused by plants infected by the pathogenic bacteria, and is safe and effective. Therefore, the pantoea KG-43 or the fermentation product thereof has good application prospect and value in prevention and control of plant diseases such as mulberries and the like or preparation of preparations for preventing and controlling plant diseases.