328results 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 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 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 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.

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 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.

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 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.