168results about How to "Good prevention and control effect" patented technology

The invention relates to the technical field of public hygiene, in particular to an infectious disease prevention and control method and system. The infectious disease prevention and control method comprises the following steps that a, recognizing a high-risk region of infectious diseases according to local disease catching risk data; b, recognizing users visiting the high-risk region according to rule mobile phone data; c, recognizing the inflow user groups with the travelling destination being the high-risk region according to the mobile phone track data of the users visiting the high-risk region; and classifying the travelling destinations according to the travelling characteristics of the inflow user groups; and d, making space prevention and control measures according to the prevention and control strictness degree; and sending the travelling intervention information to the corresponding inflow user groups according to the space prevention and control measures and the classification result of the travelling destinations. The method and the system have the advantages that the users are guided to change the travelling destinations by sending the personal customized travelling intervention information by aiming at the users in cities, so that the imported risk of the high-risk region is reduced.

The invention discloses a weed prevention and control method used in the organic rice planting process. The weed prevention and control method used in the organic rice planting process is low in cost, good in effect, truly free of toxin and damage and practical. The method is characterized that a rice seedling bed is irrigated 7-10 days after rice seedlings are transplanted, deep water weed control is achieved, the weed control water level is kept to be 55-65% of the height of the rice seedlings, and the water level is kept continuously for 8-10 days and nights; during the time from transplanting of the rice seedlings to water treatment, the water level is kept in the field, soil can not be exposed, and growth of weeds and weed seeds is inhibited or the weeds and the weed seeds are dead under the condition that oxygen and sunlight irradiation lack. The method is low in implementation cost, good in weed prevention and control effect and very beneficial to later growth of rice. The method solves the problems which farmers long to solve all the time but are not solved in the organic rice planting process, and has an important promoting significance in planting of organic rice.

The invention relates to a bacillus subtilis CCCQ080 with stronger activity prevention for citrus canker, belonging to the field of agriculture disease biological control. The bacillus subtilis is obtained by being separated from natural environment host leaves and is identified according to the morphological characteristics and molecular biology. The bacillus subtilis has very strong inhibition effect on the citrus canker, and also has good control effect on the citrus canker. Furthermore, the bacillus subtilis also has broad-spectrum antagonistic activity, has stronger inhibition effect on pathogenic bacteria such as citrus canker pathogen and tobacco angular leaf spot pathogen, and also has good inhibition effect on pathogenic fungus such as tobacco botrytis cinerea, apple canker pathogenic bacteria and thielaviopsis basicola. The secondary metabolite of the bacillus subtilis contains cellulase, protease, siderophore and the like. The biological film of the canker pathogenic bacteria can be destroyed by the fermentation filtrate of the bacillus subtilis, and the environment-friendly biopesticide can be produced by bacterial fermentation or secondary metabolite extraction technology, so that the bacillus subtilis has important business development and application value.

The invention discloses a high-concentration compound microbial fertilizer prepared by tower-type melt granulation and a preparation method thereof, belonging to the technical field of fertilizers. The fertilizer is composed of 300-500 parts of urea, 130-250 parts of monoammonium phosphate, 30-60 parts of humic acid, 200-300 parts of potassium sulfate, 1-10 parts of magnesium sulfate, 10-20 parts of compound microbial inoculant, 10-30 parts of polyaspartic acid, 30-50 parts of zinc sulfate, 20-30 parts of calcium superphosphate, 50-100 parts of oyster powder, 20-40 parts of silanization-modified zeolite, 3-5 parts of polyvinyl alcohol and 5-8 parts of urea formaldehyde. The fertilizer is reasonable in formula, can effectively improve the soil quality, implements balanced nutrient release, satisfies the demands of citruses for different nutrients in different growth periods, and can effectively prevent various physiological diseases from generation.

The invention relates to a strain of Bacillussubtilis TBSCQ057 providing biocontrol activity for tobacco black shank, and belongs to the field of agricultural plant disease biocontrol. The Bacillussubtilis TBSCQ057 is separated from a natural environment host plant, is identified as the Bacillussubtilis according to morphological characteristics and molecular biology, provides a strong inhibition effect for tobacco black shank bacterial, provides a good control effect for tobacco black shank, has broad spectrum antagonism activity, and provides good bacterial inhibition effects for tobacco botrytis cinerea, tobacco alternaria alternate, tobacco sclerotium rolfsii, tobacco anthracnose pathogen, and a lot of pathogenic fungi. Secondary metabolites of the strain contain cellulose, protease, siderophore and the like. The TBSCQ057 bacterial agent provides a good control effect for the tobacco black shank, environmentally friendly bio-pesticides can be produced through bacterial fermentation or a secondary metabolite extraction technology, and important commercial development and application values are provided.

The invention discloses a special fertilizer used for potatoes and having a function of controlling pest and disease damage and a preparation method of the special fertilizer and belongs to the technical field of fertilizer. The fertilizer is prepared from a fertilizer core, a first-layer coating agent and a second-layer coating agent in the mass ratio being 100:3:5. The fertilizer is multifunctional special fertilizer for the potatoes and integrates biological, inorganic, fast-release and slow-release fertilizer. The fertilizer provides biological and inorganic ingredients needed for growth of the potatoes and meets demands for fast-release and slow-release nutrients required in different growth cycles of the potatoes. A microbial agent in the product has the function of promoting growth of the potatoes and controlling pest and disease damage, can accelerate the oxidoreduction process of potato bodies, stimulate growth of the potatoes and promote boost metabolism, has the function of promoting absorption and utilization of nutrients, can promote growth, water absorption and fertilizer absorption of root systems of the potatoes, improve absorption and utilization of the potatoes for sunshine, and effectively improve the specificity of soil.

The invention discloses a microbial agent for preventing and treating bacterial plant diseases and an application thereof. The microbial agent powder for preventing and treating bacterial plant diseases is prepared by inoculating bacillus subtilis and Bacillus cereus to an LB culture medium to culture, and then transferring to a fermenting culture medium to ferment and culture; centrifuging to obtain bacterial sludge; mixing bacillus subtilis and Bacillus cereus, and then adding the mixed bacterial sludge in protective agent, surfactant and a carrier to prepare suspension fluid; adding water and mixing evenly; performing high-temperature spraying and drying. The microbial agent for preventing and treating bacterial plant diseases has the advantages that the cost is low for taking microbialagent as raw material, and the microbial agent is free from chemical pesticide pollution; the microorganism can form a protection layer on a plant surface in use, and govern and repair the plant disease part; therefore, the microbial agent has prevention effect to the bacterial diseases.

The invention discloses a bacterium for preventing and controlling banana wilt and application thereof. The bacterium disclosed by the invention concretely is Bacillus sp. Bsp.6; and the preservation number in the China General Microbiological Culture Collection Center is CGMCC No.6459. The test shows that the Bacillus sp. Bsp.6 CGMCC No.6459 disclosed by the invention can restrain 1# and 4# microspecies of Fusantan oxysporumf. sp. cubense) at the same time; the bacterial agent prepared by taking the Bacillus sp. Bsp.6 CGMCC No.6459 as an active ingredient can prevent and control the banana wilt; the field control effect achieves about 95%; and the Bacillus sp. Bsp.6 CGMCC No.6459 disclosed by the invention and the bacterial agent have significant control effects on the banana wilt. Therefore, rapid development of banana plantation is facilitated to a large extent.

The invention relates to a streptomy cesgriseochromogenes strain TYFCQ272 for preventing tobacco wildfire, and belongs to the field of biological control of agricultural diseases and insect pests. The strain is separated from the host plant rhizosphere soil in natural environment, and named streptomy cesgriseochromogenes according to the morphological characteristics and molecular biological identification. The strain has a strong inhibition effect for tobacco wildfire, and has a good control effect for tobacco wildfire. Meanwhile, the strain also has broad-spectrum antagonistic activity, and has better antibacterial effects for tobacco gray mold, apple canker, thielaviopsis basicola and other pathogenic fungi, the radius of each inhibition zone is 10.0 mm above, the strain also has stronger antibacterial effects for citrus canker, pseudomonas angulata and other pathogenetic bacteria, and the radius of each inhibition zone is above 20.0 mm. The secondary metabolites of the strain include cellulase, protease, siderophores, and the like. The TYFCQ272 cell preparation or the bacteria-free filtrate has good control effect for tobacco wildfire, the environment-friendly biological pesticide can be produced by cell fermentation or the secondary metabolites extraction technology, therefore, the streptomy cesgriseochromogenes has important commercial development and application values.

The invention provides a method for efficiently and comprehensively preventing and controlling sesame diseases. The method comprises the following steps: (1) selecting a disease-resistant variety; (2) selecting a high-quality farmland; (3) seeding in good time, performing rational close planting and performing crop rotation; (4) performing seed coating treatment; (5) preventing and controlling diseases in a seedling stage; (6) preventing and controlling diseases in a flowering stage; (7) harvesting in good time. The method can be used for effectively preventing and treating main diseases such as wilt of sesame, stem wilt and leaf wilt, the comprehensive prevention and control effect can be up to 77.37%-89.5%, and the yield is improved to 85.9-93.6%. The method is simple in comprehensive prevention and control step, reasonable in design, efficient and safe, high in practicability, high in prevention and control efficiency, good in result repetitiveness and low in cost, and can be used for increasing the sesame unit production and increasing incomes of farmers under the condition of not increasing the prevention and control cost, and is wide in technical application range and obvious in economic benefits and ecological benefits.

The invention discloses a guadipyr-containing flowable concentrate for seed coating as well as a preparation method and application of the flowable concentrate for seed coating. The guadipyr-containing flowable concentrate for seed coating is prepared from the following raw materials by mass percent: 5-30% of guadipyr, 3-10% of a wetting dispersant, 2-10% of a film-forming agent, 0.1-0.5% of a thickening agent, 1-10% of an anti-freezing agent, 0.2-1% of an antifoaming agent and the balance of water. In order to improve the treating effect of the drug, the flowable concentrate for seed coating also can be prepared from the components such as imidacloprid, myclobutanil, chlorpyrifos and difenoconazole. The guadipyr-containing flowable concentrate for seed coating can be used for controlling crop diseases and/or insect pests. The flowable concentrate for seed coating is prepared by compounding the guadipyr with other active components; the prepared product has a higher systemic property and has multiple effects of contact toxicity, stomach toxicity and systemic property, thus being better in control effects.

The invention discloses a technology for promoting oviposition of dastarcus helophoroides imagoes. The technology includes the first step of selection of proper breeding time, the second step of selection of appropriate breeding hosts, the third step of an inoculation technology, the fourth step of imago oviposition conditions, the fifth step of spawn shell storage technology and the sixth step of a dastarcus helophoroides larva release technology. According to the breeding method for promoting oviposition of the dastarcus helophoroides imagoes, the parasitic rate of the dastarcus helophoroides reaches more than 80%, and the eclosion rate of the dastarcus helophoroides reaches above 90%; by means of selection of the breeding hosts and a reasonable inoculation proportion, more than twenty thousand dastarcus helophoroides is bred each year, and ten million dastarcus helophoroides imago eggs are laid each year through a standardized scale breeding technology and storage capacity; the direct contemporary parasitic rate to monochamus alternatus hope reaches more than 50% through dot strain type release of dastarcus helophoroides larvae in forests, and parasitism exists in the larvae, pupas and the imagoes; release is continuously conducted for 2-3 years, so better prevention and control effects can be obtained.

The invention provides a method for preventing and controlling kiwifruit canker. The method comprises the following operation steps: weighing the following components by mass percent: 62.05-76.6% of organic fertilizer, 9-12% of nitrogen fertilizer, 6-10% of phosphate fertilizer, 8-15% of potassium fertilizer, 0.2-0.4% of boron fertilizer, 0.1-0.3% of zinc fertilizer and 0.1-0.25% of iron fertilizer, and uniformly mixing the components, so as to prepare a kiwifruit base fertilizer; applying sulfur powder and the kiwifruit base fertilizer to an orchard where kiwifruit canker occurs, wherein each plant is applied with 1.5-2.5 kg of the sulfur powder and 5-10 kg of the base fertilizer. The method for preventing and controlling kiwifruit canker, provided by the invention, is safe and harmless for kiwifruit growth, has the advantages of being good in environment compatibility, simple to operate, low in production cost and good in prevention and control effect, is easy to popularize, can promote the production increase and income increase in the kiwifruit industry, and improves the fruit quality.

The invention discloses a dispersable oil suspending agent containing acetamiprid and carbosulfan and an application. Pesticide is mainly composed of active ingredients, additives and a dispensing medium. The active ingredients are composed of chloridized nicotine novel broad-spectrum pesticide acetamiprid and carbamic acid ester pesticide carbosulfan, wherein the weight ratio of the chloridized nicotine novel broad-spectrum pesticide acetamiprid to the carbamic acid ester pesticide carbosulfan is 1:3. Pests of fruits and vegetables such as citruses and multiple commercial crops such as corn, cotton, rice and sugarcane can be effectively prevented and treated through the combination, the insecticidal spectrum is wide, and the prevention and treatment effect on aphids is particularly excellent. The acetamiprid and the carbosulfan are compounded to form the dispersable oil suspending agent with 48% of effective ingredients, the prevention and control effect on cotton aphids is good, the fast-acting property is good, the lasting period is long, and no influence is caused to cotton growth.

A protective isolation device for oral cavity diagnosis and treatment comprises a flexible protective isolation sleeve and a hard transparent mask, and is characterized in that the flexible protectiveisolation sleeve is formed by integrally connecting a head sleeve capable of sleeving the head of a patient and an isolation pullover capable of sleeving the upper body of the patient; the hard transparent mask is of a convex structure; the hard transparent mask is in sealed connection with the flexible protective isolation sleeve; the protective isolation device for oral cavity diagnosis and treatment is provided with a left operation opening, a right operation opening, an upper operation opening, a negative pressure connecting pipe opening, a saliva suction pipe inserting opening and two air guide openings. According to the protective isolation device for oral diagnosis and treatment, the head and the upper body of a patient can be placed in the protective isolation device; the oral cavity part of a patient can be clearly observed through the hard transparent mask, medical staff can conduct oral cavity diagnosis and treatment on the patient through the operation opening in the flexible protection isolation sleeve, extra safety protection can be effectively provided for the oral cavity medical staff in the oral cavity diagnosis and treatment process, and the infection risk of a hospital is greatly reduced.

The invention discloses a control method for invasive plants and application, especially control on bidens pilosa L. According to the method, plant straw is uniformly laid on a ground surface where invasive plants grow in winter; after continuous 30-80 days or spring begins, light-proof airtight materials including a black film and the like are laid to guarantee that the covering rate is 100%; andthe black film continuously covers the plant straw for 50-70 days or is removed after summer begins. According to the scheme, two ways of straw covering and film covering are combined in a specific sequence and specific time to perform stacking continuous covering, and thus, a significant control effect on invasive weeds, such as bidens pilosa L. and the like, is significant; moreover, not only can the bidens pilosa L. above the ground be eliminated, but also underground rhizomes and seeds thereof can be further killed, inactivated and reduced, so that the control effect is more lasting; meanwhile, soil fertility can also be enhanced after the straw, the bidens pilosa L. and the like decompose; and in addition, by employing the technical scheme of the invention, mechanical weeding is notneeded, labor intensity is low, cost is low, environmental pollution is not generated, the straw can also be recycled, and the application prospect is good.

The invention discloses a prevention and control method for blue-green algae in marine shrimp culture water. The method comprises the following steps: (1) height of water in a culture pond is reduced to 2-3 meters, and 350-500 g/mu of a biological treatment agent is evenly scattered to water in the culture pond once every 15-20 days from the spring at the air temperature of 20-25 DEG C to the late autumn at the air temperature being lower than 15 DEG C; (2) 30%-35% of water in the culture pond is pumped out after the biological treatment agent is sprinkled for 15-20 hours, identical culture water is injected, then 8-10 g/mu of bdellovibrio bacteriovorus is added to water after 18-26 hours, and the number of viable bacteria reaches 150 billion/gram or more; (3) after 20-30 hours, 3-6 g/m<3> of sodium thiosulfate is scattered uniformly into water in the culture pond once every 20 days until scattering of the biological treatment agent is stopped. With the adoption of the method, the blue-green algae are effectively killed, a prevention and control effect is realized, the water quality is improved, the blue-green algae are prevented from excessive multiplication, and reproduction of other aquatic organisms is not influenced. The method is simple and convenient to operate, and the cost is low. The prevention and control effect is better particularly when the biological treatment agent is used cooperatively with the bdellovibrio bacteriovorus.

The invention discloses a soil improvement type biological organic liquid fertilizer and an application thereof in walnut planting in saline-alkali soil. 30% of bacillus pumilus fermentation broth, 25% of bacillus licheniformis fermentation broth, 20% of trichoderma asperellum fermentation broth, 15% of streptomyces corchorusii fermentation broth and 10% of streptomyces microflavus fermentation broth are thoroughly decomposed with an organic fertilizer mixture; and the decomposition product is mixed with potassium fulvate, composite amino acids and a microbial repairing agent. After the prepared soil improvement type organic liquid fertilizer is applied, the yield of walnuts planted in saline-alkali soil is increased, the growth is promoted, insects are repelled, and the quality of the walnuts is remarkably improved. The saline-alkali soil is obviously repaired; the microbial repairing agent can effectively activate soil regeneration elements, the application of the soil improvement type biological organic liquid fertilizer can reduce the use amount of pesticides and chemical fertilizers, nutrients can be fully absorbed and utilized by walnuts, the yield of walnut trees and the quality of walnuts can be improved, and the soil improvement type biological organic liquid fertilizer has a wide application value.