329results about How to "Prevent infestation" patented technology

The invention discloses a seedling culturing matrix which is formed by biocontrol mushroom residues and soil in a mixed mode. The weight ratio of the biocontrol mushroom residues to the soil is 7-9:1-3. Meanwhile, the invention discloses a preparing method of the matrix, and the method comprises the steps that (1) edible mushroom residues are subjected to fermentation; (2) biocontrol mushroom spores are added to the edible mushroom residues after fermentation in the step (1), the biocontrol mushroom residues are obtained; (3) the biocontrol mushroom residues and the soil are mixed, and the seedling culturing matrix is obtained. The method has the advantages that successive cropping obstacles and soil-borne diseases can be prevented at the same time, the problem that in the prior art, beneficial bacteria are killed when the soil is subjected to disinfection, so that the effect of successive cropping obstacle repairing is not achieved is solved, and the bad side effect of environment pollution generated when chemical pesticides are used for treating soil diseases can be avoided, the method is a very important technology for using vegetable protected area soil in a sustainable mode, and high popularization value is achieved.

The invention relates to the special aquatic product culture technology field, particularly an acrossocheilus fasciatus simulated ecological factory large scale breeding and domestication method. The method comprises the following steps: build an acrossocheilus fasciatus breeding water quality regulation and control pool-build an acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-build an acrossocheilus fasciatus hatching and fry cultivation culture pond-build an acrossocheilus fasciatus ovarian follicle hatching sieve-make the access to water source-disinfect the acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-adjust the water level of the acrossocheilus fasciatus parent cultivation, oviposition and adult fish domestication pond-select the parents-oviposition of the parents-ovarian follicle collection-ovarian follicle hatching-fry cultivation-adult fish culture-disease prevention in culture stage. The pure excellent water is used in the whole process. The beneficial effects of the invention are as follows: the sexual gland of the parents grows well because of ecological cultivation; the amount of nature oviposition is huge with big granule and good quality; because of suspension hatching, the outside is dynamic and the inside is static, and the oxygen is enough; the cultivation of the fry in the culture pool is enhanced; the adult fish grows fast because of abundant bait; and similar wild quality is provided because of being similar to nature environment.

The invention discloses a cutting cultivation method for acer palmatum, which belongs to the field of horticultural production. The method comprises the following steps: inserting the cutting slips of the acer palmatum into a rooting agent cutting block which is dipped with a para-hydroxybenzoic acid containing 150 mg / l of IBA and having a mass ratio 0.001; and managing the cutting slips of the acer palmatum inserted into the rooting agent cutting block according to a full exposure cutting seedling cultivation mode, wherein calluses are formed after about 45 days; and the cutting slips of the acer palmatum inserted into the rooting agent cutting block can be transplanted after about 70 days. Tests show that the root-forming rate of the acer palmatum reaches 92 percent, the average formed root number of the cutting slips is 3.8 and an average root length is 3.5 cm. The cutting cultivation method for acer palmatum not only can quickly cultivate rare acer palmatum varieties in large scale under the condition of keeping the intrinsic excellent property of the original varieties, but also can provide a reference for plant varieties which are difficult to be cultivated by cutting, thereby having great popularization value.

The invention discloses bacillus velezensis strain HN03 and application thereof. The bacillus velezensis strain HN03 has the accession number CCTCC M 2018084. The pure bacillus velezensis strain HN03has a good inhibitory effect on banana fusarium No. 1 and No. 4 physiological strains, and various other pathogenic bacteria.

The invention discloses an anti-season potato mechanization planting matched cultivation technique, comprising the steps of 1) selecting land, comprising the steps of carrying out soil preparation and selecting subacid loamy soil or sandy loam soil land masses with pH of 5.3-7, higher terrain, loose and fertile soil property, deep soil layer and drainage and irrigation functions; 2) preparing potato seed blocks with the weight of 45-70g for seeding, wherein each potato seed block contains 2-3 bud eyes, and a slicer is required to be disinfected when cutting the potato seed blocks; 3) seeding, wherein depth from the upper part of a tuber to the upper part of a ridge platform is 8-10cm, row spacing is 90cm, and planting distance is 18cm; 4) intertilling and earthing for 5cm when seedling emergence rate reaches up to 60%; 5) carrying out fertilizer management; 6) carrying out water management when a potato root system reaches up to 60cm, wherein soil depth is determined to be 45cm to know water supply capacity of the soil depth; 7) maintaining available water in the field to be 70-80% in a tuber forming and expanding stage; 8) preventing and controlling diseases and pests; and 9) harvesting. The anti-season potato mechanization planting matched cultivation technique disclosed by the invention has the characteristic of improving yield and quality and is applicable to widespread use.

The invention belongs to the technical field of fresh keeping agents, aims to develop a composite fresh keeping agent including microorganism derived effective components and plant derived effective components, is used for fresh keeping and corrosion resistance for picked fruits and picked vegetables, and provides a microorganism and plant derived composite fresh keeping agent for fruits and vegetables. The composite fresh keeping agent is prepared from a component A and a component B, wherein the component A consists of microorganism fermentation fluid and a propolis extract, and microorganisms are bacillus amyloliquefaciens Lh-1, candida intermedia and cryptococcus laurentii; and the component B consists of plant derived effective component mixed liquor and film forming liquor, wherein the plant derived effective component mixed liquor is prepared by mixing a tree peony bark water extract with a citrus peel alcohol extract, a rabdosia rubescens alcohol extract, a radix zanthoxyli water extract, a lycium ruthenicum alcohol extract, a Chinese herbaceous peony water extract, a clinopodium chinense alcohol extract and a citronella water extract, and the film forming liquor is prepared by mixing konjac glucomannan with chitosan. Through the adoption of the composite fresh keeping agent, the fruits and the vegetables are furthest prevented from mildewing and rotting, the effects for preventing the fruits and the vegetables from postharvest diseases are enhanced, the moisture dissipation of the fruits and the vegetables is reduced, the storage time of the fruits and the vegetables is prolonged, and a certain economic value is created.

The invention discloses a grafting and breeding method for a tea tree root stock. The method comprises the steps of: taking roots of seeding obtained from sowing tea seeds as the stock, taking annual half-lignifying or lignifying branches of tea tree fine breeds, cutting the branches into short spikes, grafting the short spikes with the stock, closely wrapping an grafting interface with aluminiumfoil adhesive tapes, planting the grafted branches in a seeding nursery, and conducting following management in a way similar to that of the conventional cottage and breeding method. The survival rate of the grafted seeding reaches more than 90%, and large-scale breeding can be performed. By adopting the grafting and breeding method for the tea tree root stock, the disadvantages that the short spike cuttage seeding has no main root, the tea seeding has poor drought and cold resistance, and the requirement on the planting soil condition is high are overcome, a great deal of sprout removing work during breeding management, resulting from germination and growth of root adventitious buds of root caps, is avoided, and the purity of the seeding is guaranteed; in addition, the aluminium foil adhesive tapes are adopted for colligation and wrapping, so that the survival rate of the grafted seeding is increased.

The invention discloses a cowpea planting pest and disease damage green prevention and control method which comprises the steps of soil selecting and processing, wherein soil where legume vegetable is not planted in two years is selected, soil is deeply turned for airing 15-25 days before sowing, and potassium permanganate is used for disinfecting; seed selection and processing, wherein seeds are soaked with warm water and are placed into a potassium permanganate and new high fat film 400-fold solution for soaking and microwave processing; bowl body seedling culturing, wherein before sowing, thoroughly-decomposed organic matter compound fertilizer is applied at bowl bodies, 2-4 seeds obtained after microwave processing are sown in each bowl body; bowl seedling planting, wherein thoroughly-decomposed organic matter compound fertilizer is sufficiently applied 3-7 days before planting, 5-20 ml of JT compound bacteria liquid is applied in each hole, a single bowl body seedling is planted in the hole, the thoroughly-decomposed organic matter compound fertilizer is used for covering the bowl body by the thickness of 2-5 cm, and new high fat film 500-fold liquid is sprayed to cowpea seedlings; and reasonable fertilizer and water applying. According to the cowpea planting pest and disease damage green prevention and control method, agricultural control, biological control and physical control are mainly used, safety is achieved, pollution is avoided, and environment is protected.

The invention discloses a natural pullulan polysaccharide hydrogel wound dressing, which is prepared by undergoing a cross-linking reaction on a carboxy methylation pullulan polysaccharide and a hydrazine or diamine, wherein the crosslinking degree of carboxyl of the carboxy methylation pullulan polysaccharide and the hydrazine or the amino of the diamine is 30-90 percent. A preparation method of the wound dressing comprises the following steps of: performing carboxy methylation on the natural pullulan polysaccharide, preparing the carboxy methylation pullulan polysaccharide into a solution of which the concentration is 0.1-1.0g / ml by using deionized water, adding the hydrazine or diamine into the aqueous solution of the carboxy methylation pullulan polysaccharide with stirring at normal temperature and under normal pressure, adding an aqueous solution of 1-(3-dimethylamino propyl)-3-carbodiimide hydrochloride of which the concentration is 0.5-1.0g / ml after uniformly stirring, and uniformly stirring; and standing the obtained solution at normal temperature, crosslinking for at least 10 minutes, soaking into deionized water for at least 6 days after crosslinking, removing impurities, and drying in vacuum to obtain the natural pullulan polysaccharide hydrogel wound dressing.

The present invention provides formulations and methods useful in the control of ectoparasites on a domestic animal, using a formulation comprising Indoxacarb and a veterinarily acceptable carrier that is applied topically to 10% or less of the total surface area of a domestic animal. Other embodiments include these formulations also including one or more additional pesticides such as fipronil.

The invention relates to a frozen aquatic product quality assurance agent. The frozen aquatic product quality assurance agent is prepared from, by mass, xylooligosaccharide 3-5%, carrageenan oligosaccharide 2.5-4%, trehalose 1-2%, agar powder 0.5-1.5%, alkaline phosphate 0.2-0.3% and the balance water. In addition, the invention further relates to a preparation method of the frozen aquatic product quality assurance agent and application of the preparation method in frozen aquatic products. Compared with the prior art, the frozen aquatic product quality assurance agent can effectively prevent freezing preservation from affecting the water retaining properties, tenderness, gelling properties and nutritional values of the aquatic products, can form a dense protective layer on the surfaces of the aquatic products and effectively prevent the aquatic products from being oxidized and being subjected to external microbial infection, keeps the good quality of the aquatic products during frozen storage and makes the aquatic products obtain good economic values.

The invention discloses a textile machine yarn guide device. The device comprises a box body, wherein a yarn inlet and a yarn outlet are symmetrically formed in the box body, an adjusting roller and ayarn guide roller are symmetrically and rotationally installed in the box body, the adjusting roller is fixedly sleeved with a ferromagnetic ring, a limiting barrel is installed on the inner top wallof the box body, a sliding block is slidably connected into the limiting barrel, a first permanent magnet cylinder is installed at the lower end of the sliding block through a plurality of connectingrods and located below the limiting barrel, a drying mechanism is arranged on the first permanent magnet cylinder, an electromagnet is further elastically connected to the inner top wall of the box body through a first spring, and the electromagnet is located over the adjusting roller. According to the device, when yarn loosens, adjustment can be made in time so as to tension the yarn, so that the yarn is prevented from loosening, the loss of the yarn is reduced, meanwhile, the working efficiency of the yarn guide device is improved, and under the effect that dust on the yarn is alternately sucked into a dust collecting box through two driving areas, the dust removing efficiency of the device is higher.

The invention relates to the technical field of biological engineering, in particular to a bacillus subtilis, a screening method thereof, an application of the bacillus subtilis, a biological preservative, a preparation method thereof and a fruit and vegetable preserving method. The bacillus subtilis Cy-29 is collected in China General Microbiological Culture Collection Center on December 7th, 2013, and the collection number of the bacillus subtilis is CGMCC 7916. The biological preservative comprises the bacillus subtilis Cy-29. The fruit and vegetable preserving method includes a method for fermenting a product by the bacillus subtilis Cy-29. By planting and growth of the bacillus subtilis Cy-29 and / or antagonism of antibacterial substances generated by the bacillus subtilis Cy-29, respiration of fruits is effectively inhibited, the rotting rate of the fruits is obviously reduced during cold storage, and strong inhibiting effects to various plant pathogenic fungi are achieved.

The invention provides a multivalent immunogenic composition containing enterovirus antigens. The composition comprises inactivated EV71 antigens and / or inactivated CA16 antigens, and inactivated polio antigens. The composition can further comprise antigens selected from hepatitis A antigens, hepatitis B antigens, acellular pertussis antigens, tetanus toxoid, diphtheria toxoid, Haemophilus influenzae type b capsular polysaccharide, and meningococcal polysaccharide antigens, as well as physiologically acceptable carriers combined with bacterial polysaccharide antigens. The invention also provides a preparation method of the composition. The composition can prevent invasion of a plurality of pathogens simultaneously without interference among the antigens, and the immunogenicity is no less than that of individually activated antigens. With the composition, vaccination processes are significantly simplified, and the vaccination efficiency is improved with reduced costs.

The invention discloses a method for cultivating a teak seedling. Grafting comprises the following steps: (1), cutting wood collection: selecting a lateral branch with the diameter of 3-5 cm and the length of 5-7 cm and close to one end of a main branch on a stock plant in mid April of next year, taking the lateral branch as a cutting wood, cutting the base of the cutting wood to form a bulge of which the exterior is cylindrical, wherein the internal diameter of the bulge is gradually reduced from the lower end to the upper end of the base of the cutting wood so as to form an internal space in a circular truncated cone shape; (2), stock processing: selecting an excellent root segment of a lobular red sandalwood tree as a stock with the length of 8-10 cm, wherein a notch is a groove which contains the bulge and is matched with the bulge; (3), cottage grafting: coating sticky liquid in the groove of the stock, inserting the bulge of the cutting wood into the groove of the stock, coating the sticky liquid on the connection part, winding to cover the connection part from bottom to top by utilizing a plastic film, binding tightly and ensuring the sealing. According to the method for cultivating the teak seedling, the root segment of the lobular red sandalwood tree is taken as the stock to graft and cultivate the teak seedling, so that the teak seedling with high root growth vigor and high survival rate can be obtained.

The invention relates to a method for breeding virus-free micro-potatoes by an integrated net house and belongs to the technical field of potato breeding. The invention adopts the technical scheme that the method comprises the following process steps of: 1, selecting a breeding facility; 2, carrying out seedling exercising, transplantation and fixed planting; 3, preparing nutrient solution and applying a fertilizer; 4, managing the temperature of the net house; 5, carrying out seedling pressure, vermiculite culture and tip shearing; 6, carrying out ozone air sterilization and nutrient solution disinfection; 7, carrying out carbon dioxide fertilization; 8, harvesting the micro-potatoes. According to the invention, seedling exercising, field planting and the subsequent growing process in the micro-potato production are guaranteed not to be infected by viruses which use poison insects as vectors; the ventilation condition of a substrate on a culture bed is improved; quality of seed potatoes of the micro-potatoes is improved; tuberization is uniform; meanwhile, pollution to the environment is avoided; under the condition of the net house, the virus-free micro-potatoes are cultured by utilizing the soilless substrate and micro tubers with weights of 5 to 15g are bred. The virus-free seed micro-potatoes provide an important mode which solves the problem of seed nature degeneration caused by virus infection and is used for the production of virus-free seed potatoes.

A water collection device for collecting water at least one of condensing, dripping, flowing, running, and a combination thereof from an exhaust portion of an air conditioner includes a housing having an open ended top portion for placement at least one of beneath an exhaust portion of such air conditioner, closely adjacent an exhaust portion of such air conditioner, and a combination thereof. Water enters such housing through such top portion for collection. An aperture is disposed through at least one of a side wall, a bottom wall and a combination thereof of such housing. An attachment mechanism is operably connected to such aperture. A hose is releasably attachable at a first end thereof to such housing via such attachment mechanism and receives collected water flowing through such aperture into such hose. Such water exits a second end of such hose for dispersal to a predetermined area.

The invention relates to a smearing agent for promoting poplar-willow-trunk wound healing. In every 1,000 parts by weight of the smearing agent, the smearing agent is prepared from, by weight, 0.002-5parts of a plant growth regulator, 11-125 parts of a high-molecular film forming agent, 0.1-10 parts of a tackifier, 1-50 parts of an inert carrier, 0.1-30 parts of an antimicrobial substance, 0.1-1part of a coloring indicator and the balance water; the high-molecular film forming agent is prepared from, by weight, 1-20 parts of polyvinyl alcohol, 5-50 parts of sodium carboxymethylcellulose, 5-50 parts of chitosan and 0-5 parts of polyethylene glycol. The smearing agent is nontoxic and harmless to poplar-willow cambial cells, and the wound healing speed of poplar-willow trunks can be increased. The invention also discloses a preparing method for the smearing agent for promoting poplar-willow-trunk wound healing, and the smearing agent prepared with the method is applied to poplar-willow-trunk wound healing treatment, and has the advantages of being wide in bactericidal spectrum, low in toxicity, free of residue, safe, reliable, capable of protect wounds and the like.

The invention discloses an indoor large-scale artificial breeding method for semiaquatic fire flies. The indoor large-scale artificial breeding method comprises the following steps: (1) constructing a breeding room; (2) configuring breeding facilities; (3) hatching eggs; (4) breeding larvae; (5) managing in the pupal period; (6) breeding at the adult stage and the oviposition stage. By adopting the indoor large-scale artificial breeding method, artificial indoor large-scale efficient three-dimensional circulation breeding of the semiaquatic fire flies can be achieved.

The invention relates to the technical field of plant cultivation and specifically relates to a strawberry cultivation pattern. The strawberry cultivation pattern comprises shed frame construction, variety selection, planting management and planting post-management, wherein planting management comprises disinfection of a greenhouse, disinfection of a matrix, planting processing, and management in a planting date. The strawberry cultivation pattern has the advantages that the scientific controllable management is implemented, the space is efficiently utilized, water and a fertilizer are saved, meanwhile, the yield of a strawberry is high, and the quality of strawberry is good.

The invention discloses a method for planting potatoes. During the germination period, water should be sprinkled to prevent dryness. The cutting tools used for cutting should be strictly sterilized with potassium permanganate or alcohol to prevent microorganisms and pathogenic bacteria from causing damage to potato tubers. Infection, the potato pieces after drying in the shade are moved to a warm and sunny place to dry the seeds, so that the young shoots are green and strong, and the foliar spraying of 1% potassium dihydrogen phosphate solution can promote the early emergence of seedlings, and the flower buds are removed during the flowering period, reducing Nutrient consumption can promote the development of potato pieces. When the potato plant height is 18 cm, spray the water with paclobutrazol, which can prevent the plants from growing excessively and lodging, and increase the rate of large and medium potatoes. After the middle flowering period, use carbendazim to prevent and control late blight , a potato planting method proposed by the present invention, which greatly saves labor, reduces the cost of potato planting, improves the survival rate of potatoes, enhances the benefits of planting potatoes, enhances the disease resistance and pest resistance of potatoes, and achieves The purpose of high yield and high quality has great promotion value.

A woven laminated plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from woven polypropylene and / or polyethylene layer which can be laminated with a film layer, can form a pinch bottom bag, and can have one or both sides include graphics and / or printing. The bag can also provide a top end and / or a bottom end either or both of which provide a discrete area which may contain discrete graphics and / or printing. The bag can also include a tape covered easy open feature that facilitates removal of tightly adhered sealing tape.

The invention relates to the field of biological medicine, in particular to a polypeptide for inhibiting novel coronavirus (SARS-COV-2) and application of the polypeptide. The invention relates to a functional peptide in the novel coronavirus. A heptapeptide repeat 2 (HR2) sequence in the novel coronavirus has an amino acid sequence as shown in SEQ ID NO: 2. The polypeptide for inhibiting the novel coronavirus SARS-CoV-2 is a sequence with the same function as the amino acid sequence of heptapeptide repeat 2 (HR2) in the novel coronavirus. The invention discloses the amino acid sequence of the heptapeptide repeat 2 (HR2) in the novel coronavirus (SARS-CoV-2) and also provides an inhibition sequence of the heptapeptide repeat 2 (HR2); and the inhibition sequence can be combined with an HR1 region of S protein of the novel coronavirus SARS-CoV-2 so as to prevent the SARS-CoV-2 from being fused with target cells, and thus, a brand new method is provided for preventing and treating the novel coronavirus SARS-CoV-2.

The invention provides a slotting and side grafting method for wood fruit trees. The method comprises the following steps: setting a square notch with the length of 10-12cm and width of 1-1.5cm on a stock; setting two oblique planes at two sides of a scion, wherein the length of one oblique plane is longer than that of the other oblique plane; inserting the scion into the notch of the stock by a mode of contacting the side of the large oblique plane of the scion with the wood part of the stock, applying fruit tree wound healing cream to the notch of the stock; and enclosing the grafting part by using a plastic film to increase the contact area of the stock and the scion. Therefore, the survival rate of the grafted scion can be increased.

The invention provides a preparation method of a preservative film, which comprises the following steps: irradiating a high-polymer film by ions to obtain a latent track film; coating an adhesive on part of the surface of the latent track film to obtain an intermediate nucleopore film, wherein the part, which is not coated with the adhesive, forms an etching part, and the part, which is coated with the adhesive, forms a bonding part; placing the intermediate nucleopore film in an etching solution for etching to obtain a nucleopore film; coating an adhesive on the surface on an intermediate matrix film, and making the part coated with adhesive into a partial hollow structure to obtain a matrix film; and bonding the nucleopore film on the hollow part of the matrix film. The preservative film through which different gases permeate can be prepared through controlling the heavy ion irradiation condition, the etching condition as well as the size of the etching part, so that the possibility that packaged foods suffer from physiological diseases such as anaerobic respiration and damage caused by carbon dioxide are reduced, moisture condensation and external microorganism invasion are prevented effectively, and the quality guarantee period of the fresh products are prolonged.

The invention discloses a production method of a selenium-enriched mulberry wine, and relates to the technical field of fruit wine production. The production method includes the steps: selenium-enriched mulberry planting; raw material selection; crushing; yeast activation; enzymatic hydrolysis; acid adjustment; first fermentation; second fermentation; and clarification and sterilization. The invention discloses the production method of the selenium-enriched mulberry wine having both mulberry nutritional ingredients and selenium supplement function.

The invention discloses efficient apple tree wound consolidant. The efficient apple tree wound consolidant is prepared from, by weight, 11-13 parts of Arabic gum, 14-16 parts of tara gum, 18-20 parts of salicylic acid, 24-26 parts of potassium citrate, 18-20 parts of fatty alcohol-polyoxyethylene ether, 23-25 parts of octaphenyl polyoxyethyiene, 12-14 parts of coumarone resin, 13-15 parts of petroleum resin, 9-11 parts of aldehyde ketone resin, 29-31 parts of alpha-pimacol, 36-38 parts of brassinolide, 34-36 parts of kinetin and 43-45 parts of insecticidal pulp. The efficient apple tree wound consolidant can promote apple tree wounds to heal effectively and fast, injurious insects on the wounds are effectively dispelled and killed, it is avoided that malignant bacteria and pathogenic mildew infect trees through the wounds, nutritional ingredients can be provided for growth of the trees, the biological activity of cells of the trees is improved, robust growth of the trees is promoted, therefore, the yield of apples is increased, and the quality of the apples is improved.

The invention relates to the technical field of controlled-release fertilizer, in particular to special coated controlled-release fertilizer for peanuts in saline-alkali soil. The coated controlled-release fertilizer consists of an outer layer, a middle layer and an inner layer; by combining salt resistance enhancement, prevention of etiolated seedlings, pest control, growth promotion and promotion of pod enriching components, the release period is controlled, and the fertilizing efficiency is improved; topdressing in the whole growth period is avoided, so that labor cost is reduced.

The invention discloses a seedling culture method utilizing ineffective tillers of healthy sugarcane seedlings. The method comprises the steps that sugarcane tissue culture seedlings are cultured, theineffective tillers of first-generation sugarcane stems after the sugarcane tissue culture seedlings are transplanted are collected, buds of the ineffective tillers are taken for seedling culture ina seedling culture plate, and then mechanical transplanting is conducted. According to the method, the ineffective tillers of the healthy sugarcane seedlings are effectively utilized, healthy sugarcane seed stems are increased, the production cost of the healthy sugarcane seedlings is reduced, and the income of sugarcane growers is increased.