208results about How to "Reduce infestation" patented technology

The invention provides a Chinese medicine residue organic fertilizer. Wastes after extraction of Chinese traditional medicines can be fully utilized, utilization of waste materials is realized, and a bactericidal and insect disease preventing organic fertilizer full of nutritional ingredients is also provided for agricultural production. The Chinese medicine residue organic fertilizer is prepared by fermenting Chinese medicine residue, excrement of animals, solid waste, bacillus subtilis and EM. The Chinese medicine residue organic fertilizer has the advantages that the Chinese medicine residue, excrement of animals and solid waste are mixed, biological fermentation bacteria are added for carrying out rapid fermentation, organic fertilizer is processed, waste materials are changed into things of value, harm is turned into good, the problem of treatment of abandoned herb residue produced by a Chinese medicine factory is solved, and waste treatment cost is also greatly reduced, so that a win-win situation of environmental protection and economic development is realized. By adopting the organic fertilizer made from the Chinese medicine residue, soil can be effectively improved, crop pest also can be effectively prevented, and quality, yield and safety of crops are improved.

The invention provides bacillus subtilis DLD2 bacterial strain which is preserved in a China general microbiological culture collection center (CGMCC), the serial number is CGMCC NO.3222. The invention further provides a multi-functional biological agent formula and a preparation method thereof; fermentation broth, fulvic acid, zinc sulfate and other components of the bacillus subtilis DLD2 are formulated for preparing the multi-functional biological agent formula which is used for improving soil and continuous cropping resistance; the biological agent has the following functional effect: (1) bio-control microorganisms are utilized to prevent harmful flora from infecting plant and killing pathogenic bacteria, induce the plant to generate disease resistance and prevent seedling withering and rotting; (2) by utilizing synergia effect of formulation of the bacillus subtilis, fulvic acid and zinc sulfate, the root system growth can be induced, plant regeneration and root regeneration are realized, soil hardening is broken, granular structure is formed, no deep tillage is realized, moisture holding and soil moisture conservation is realized, fertilizer damage is relieved and soil fertility is improved.

The invention provides a formulation composite comprising toxic fluoride phosphate and at least one growth regulator. According to the weight part, the toxic fluoride phosphate accounts for 10%-80% of the formulation composite, the growth regulator accounts for 0.0001%-2% of the formulation composite, the formulation composite also comprises an assistant, an surface active agent, a solvent and a carrier accepted by agriculture, and the formulation composite can be prepared into wettable powder, suspending agent, missible oil, microemulsion, emulsion in water, water dispersible granule, dry suspending agent, seed coating agent and other agents. The formulation composite can be used for preventing and curing tobacco mosaic virus, cucumber mosaic virus, and various virus diseases caused by viruses on rice, such as tobacco mosaic, cucumber mosaic, tomato virus disease, pepper virus disease, rice virus disease and the like and achieves the effects of improving efficacy, treating in a compatible manner, delaying medicine resistance, reducing the using amount of toxic fluoride phosphate and the like.

A composite building stud for providing combined advantages of wood and metal studs. The composite stud includes a generally elongated and U-shaped frame member defining a base channel. The composite stud also includes a core component made of wood retainable in the base channel. The substantially rectangular configuration core component includes an insertion recess section forming a fifth wall thereof to allow insertion of the core component in the base channel both by sliding the core component longitudinally from an end section of the frame member and by a snap-like movement or action at an angle relative to the longitudinal axis of the frame member.

The invention provides a soil improvement and anti continuous cropping multifunctional biological agent which contains the mixed microorganism of trichoderma pseudokoningii and bacillus subtilis, faveolate humic acid and zinc sulphate; the trichoderma pseudokoningii is a bacterial strain obtained by separating and screening maize straw; the bacterial strain is named after (Trichoderma pseudokoningii) DLDI and is preserved in China general microbiological culture collection (CGMCC), and the number thereof is CGMCC NO.3221; the bacillus subtilis obtained by separating soil is named after (bacillus subtilis) DLD2 and is preserved in China general microbiological culture collection (CGMCC), and the number is CGMCCNO.3222; the biological agent has the effects that (1) biocontrol microorganism is used for blocking harmful flora from infecting plants and killing pathogenic bacteria, induces the plants to generate disease resistance and prevents dead seedlings from rotting roots; (2) the microorganism and the faveolate humic acid are compounded to induce the root system to grow, thus realizing root regeneration and plant regeneration and inhibiting the anti continuous cropping diseases; and (3) the faveolate humic acid and the zinc sulphate are used for breaking the soil hardening of the soil, forming the crumble structure, realizing no deep ploughing, retaining water, alleviating fertilizer damage and increasing the soil productivity.

The invention belongs to the field of the environmental biotechnology, and specifically relates to an aspergillus flavus strain incapable of producing aflatoxin and an application of the aspergillus flavus strain in biological prevention and control of aflatoxin pollution of peanuts. The aspergillus flavus strain incapable of producing aflatoxin is named as aspergillus flavus NAFFHN396, and is preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 28, 2015, and the preservation serial number is CGMCC No: 10927. The aspergillus flavus strain incapable of producing aflatoxin with deletion of an aflatoxin synthetic cluster gene is obtained, and has an obvious inhibiting effect for the yield of the toxin of the strain with strong capacity of producing aflatoxin, thus a biocontrol bacterium source is provided for the biological prevention and control of the toxic aspergillus flavus generated in the field in the future, the aspergillus flavus strain is separated from China, has good colonization capacity in peanuts and potential field competitive advantage, and has great significances in inhibiting infection of the peanuts by the toxin production aspergillus flavus, and reducing the pollution of the aflatoxin in the peanuts.

The present invention relates to a composition and process, in particular for controlling ticks on animals, characterized in that the composition includes, on the one hand, at least one compound of IGR (insect growth regulator) type, in doses and proportions which are parasiticidally effective on ticks, in a fluid vehicle which is acceptable for the animal and convenient for local application to the skin, preferably localized over a small surface area.

The invention relates to a plant wound healing agent containing sodium alginate oligosaccharide. The healing agent contains 0.001%-0.02% of sodium alginate oligosaccharide and one or more of a resistance inducer, a nutrient, a bactericide, a pesticide and a film forming agent. The plant wound healing agent can be used for spraying or smearing. The plant wound healing agent is used for treating wounds before and after trimming, girdling or grafting, so that the morbidity of the wounds can be reduced, and the healing of the wounds can be promoted. The plant wound healing agent is applicable to fruit trees and flowers.

A low-temp (lower than 20 deg.C) process for extracting the original-state active components from edible fungus includes such steps as dewatering, breaking, extracting in oil, extracting in alcohol, extracting in water, ultrafiltering, drying, mixing and cold storage.

The invention relates to a method for prolonging refreshing time of leechee fruit after being picked; green refreshing liquid is adopted: the contents of the green refreshing liquid are: 25 percent of0.8-1.0ml / L sportak, 7.2-7.5g / L reduction type ascorbic acid 8-10g / L water-solubility chitosan, the pH value of the green refreshing liquid is 3.0-5.0, the leechee which is justly picked is soaked for 6-10min and is taken out, moisture is drained, the treated leechee fruit in an air conditioning room with the temperature of 18-20 DEG C is dried naturally and is packed in a polyethylene bag respectively and is closed, and then is stored in a refrigerating house with 80-85 percent of relative humidity and the temperature of 4-6 DEG C; the leechee fruit is carried out by refreshment for more than 40 days by utilizing the method, the rotting rate of the fruit is reduced within 10 percent, and the color protecting function to the leechee fruit peel is remarkably improved, thereby effectively preventing the leechee fruit peel from being browned, and an extremely thin membrane is produced on the surface of the leechee fruit, thereby effectively preventing the moisture of the leechee fruit from being lost and reducing the infection of pathogenic microorganisms; multiple experimental results show that the refreshing method can remarkably improve the refreshing time of the leechee and improving the storage quality.

The invention relates to a vegetable planting method. The vegetable planting method comprises the seed treatment step, the seedbed seedling culturing step, the fertilization and uniform tilling step, the ridging and ditch irrigation step, the root exposed planting step, the black mulching film covering step and the field management step. In the seed treatment step, seeds are irradiated by ultraviolet light for 30 min to 55 min to be sterilized, then soaked in a potassium permanganate 500-fold solution for 10 min, washed by water, soaked in a 12% trisodium phosphate solution for 4 min to 8 min to be disinfected, and finally stirred by lactobacilli. The vegetable planting method has the advantages that no chemical fertilizer or pesticide is used in the planting process, so that planted vegetables have no pollution; in the seedbed seedling culturing step, the fertilization and uniform tilling step and the field management field, actinomycetes and lactobacilli are used, so that vegetable roots are prevented from being rotten, and infection of plant diseases and insect pests on root systems is reduced.

The invention provides expression vectors comprising root-specific promoters in operative association with polynucleotides that are down-regulated in syncytia of nematode-infected plants, for use in methods of producing transgenic plants with increased resistance to nematode infestation. The invention also provides nematode-resistant transgenic plants and seeds comprising such expression vectors.

The invention relates to the field of fruit and vegetable preservation and in particular relates to a biological preservation method for blueberry fruits. The method mainly comprises the steps of fumigating pre-cooled blueberries by jasmonic acid methyl ester. The method can be used for improving the resistance of the blueberry fruits, effectively preventing the rot of the fruits and prolonging the storage period of the fruits, is safe and efficient, and meets the food safety requirements; moreover, the blueberry fruits do not contain any preservative or chemical residues.

The present invention is three-stage pressure-reducing preservation method for long term storage of perishable fruits and vegetable, and belongs to the field of fruits and vegetable preserving technology. The three-stage pressure-reducing preservation method includes: 1) the first fruits and vegetable storing stage of 5-10 days at high vacuum of 5-20 KPa pressure to control water losing rate of 2-3.5 %; 2) the middle stage of 10-30 days in intermediate vacuum of 20-60 KPa pressure to control water losing rate of 1-2 %; and 3) final stage of 10-30 days at low vacuum of 60-100 KPa under humidity of 93-98 % without further water loss, to maintain the fresh state, flavor and post-mature performance. The present invention has long storage term of perishable fruits and vegetable.

The invention belongs to the technical field of microbial inoculants, and especially relates to a preparation method of a fungal inoculant for improving soil heavy metal pollution. The preparation method of the fungal inoculant for improving soil heavy metal pollution comprises the following steps: 1, activating bacterial fungal seeds; 2, cutting mycelia to form small blocks; 3, transferring the small mycelia blocks into a corresponding liquid medium, and carrying out shaking table oscillation dark culture to obtain a seed liquid of all the fungi; 4, uniformly mixing inoculant carriers according to a certain weight ratio, crushing and sieving the mixed inoculant carriers to obtain powder, and carry out high temperature sterilization to obtain an inoculant carrier mixture; 5, adding the inoculant carrier mixture and sterile water into a fermentation tank in order to obtain a mixed medium; , inoculating the mixed medium with the seed liquid of all the fungi, and carrying out dark culture to obtain a fermentation fungus liquid; and 7, filtering the fermentation fungus liquid, drying the filtered liquid, crushing the dried liquid, and packaging the crushed dried liquid to obtain the fungal inoculant. The preparation method of the fungal inoculant for improving soil heavy metal pollution has the advantages of scientific property and low cost, and the prepared fungal inoculant has a substantial fertilizer effect, can effectively avoid heavy metal invasion of plant roots in soil, and improves the quality of the soil.

A physical mode of action pesticide for application on plants and in soils, and methods of manufacture and application, comprising an active ingredient in the form of a polysaccharide in a concentration of from 0.10 to about 0.70 wt. %, a surfactant, a co-solvent and a diluent in a hydrocolloid suspension. The suspension polysaccharide preferably has a molecular weight of 10,000 to 25,000,000 and a molecular weight preferably in the range of about 600,000. The pesticide preferably also includes a targeting ingredient for directing the active ingredient to a particular target.

The invention relates to the field of plant antiviral genetic engineering, and provides a plant antiviral new target. On the basis of tobacco vein banding mosaic virus infection cloning, photosystem II oxygen-evolving complex protein PsbO1 is screened through immunoprecipitation and mass spectrography, and a PbsO1 gene is obtained through reverse transcription PCR amplification. Immunoprecipitation and bimolecular fluorescence complementation prove that the PsbO1 can interact with the tobacco vein banding mosaic virus 6K2. Reduction in expression of the PsbO1 gene enables an infected plant to generate resistance to the tobacco vein banding mosaic virus and potato virus Y.

A physical mode of action pesticide for application on plants and in soils, and methods of manufacture and application, comprising an active ingredient in the form of a polymer in a concentration of less than 0.1% wt., a surfactant, a co-solvent and a diluent in a hydrocolloid suspension. The suspension polymer is preferably a polysaccharide having a molecular weight of 10,000 to 25,000,000, and preferably in the range of about 600,000. The pesticide preferably also includes a targeting ingredient for directing the active ingredient to a particular target.

The invention relates to a biological type organic-inorganic compound fertilizer. The biological type organic-inorganic compound fertilizer comprises, by weight, 30-37 parts of organic fertilizers, 10-15 parts of urea, 20-25 parts of ammonium chloride, 5-5.5 parts of ammonium sulfate, 10-20 parts of monoammonium phosphate, 10-12 parts of calcium superphosphate, 10-15 parts of potassium chloride and 0.1-0.12 part of arbuscular mycorrhizal fungal inoculants. According to the technical scheme, the biological type organic-inorganic compound fertilizer has the advantages that the biological type organic-inorganic compound fertilizer manufactured by the aid of the arbuscular mycorrhizal fungal inoculants is high in utilization rate, convenient to use, wide in practicality and widely applicable to different types of soil and is environmental friendly.

The invention relates to an oil palm seed pregermination method. The method comprises the following steps: collecting fresh oil palm seeds; removing the epicarp and fiber on the surfaces of the seeds; cleaning surface grease for standby; treating by chemical reagents, disinfecting, packaging, carrying out cold treatment and heat treatment, and then soaking in clean water; and placing at normal temperature until germinating. The oil palm seed pregermination method has the advantages of simple technology and low cost. The mode of soaking by chemical reagents and processing at changed temperature and constant temperature can effectively break through the dormancy of the recalcitrant seeds of the oil palm, accelerate oil palm seeds to quickly and tidily germinate, improve the seed culture planting percent of the oil palm, reduce disease infection on seeds and buds and improve the planting percent and the quality of seedlings.

The invention relates to a smearing preparation, in particular to a smearing preparation for preventing and controlling kiwifruit bacterial canker. Bromothalonil as a low-toxicity medicament is used as an active ingredient of the smearing preparation, and smearing is used as the using way of the smearing preparation, so that no liquid medicine drifting problem exists. More importantly, the smearing preparation provided by the invention is a gel liquid and can automatically form a uniform coating at the wound part of a kiwifruit after being used, so that infection of foreign germs to a wound of a plant and water evaporation of the plant can be effectively reduced, influences of the wound to the growth of the kiwifruit can be reduced, and the aims of preventing and controlling the kiwifruitbacterial canker for a long term can be achieved.

The invention provides an efficient breeding method of purple potato tissue culture seedlings. The efficient breeding method of the purple potato tissue culture seedlings comprises the following steps of treating purple potato tubers at ultralow temperature; performing induced culture on root tips and stem tips of seed potatoes; performing rooting culture on strong seedlings, and conducting virus detection on test-tube plantlets; performing induced culture and virus detection on miniature potatoes; performing transplanting and cuttage grafting breeding on the miniature potatoes. According to the efficient breeding method of the purple potato tissue culture seedlings, provided by the invention, miniature potato seedlings are bred by adopting virus eradication of stem tips and root tips; the culture cycle of the root tips is different from that of the stem tips; the root tips and the stem tips are jointly cultured, so that the time cost can be effectively reduced, seed potato resources are fully and efficiently utilized, and further the reproduction cost of the tissue culture seedlings is reduced; besides, the test-tube plantlets cultured by using the root tips are high in reproduction speed, so that the working efficiency is improved, and the production cost is reduced.

The invention relates to a physical protector in the processes of growing Chinese cabbages and transporting harvested Chinese cabbages. A supporting framework and a screen bag are connected together to form the physical protector, the supporting framework is square, and comprises supporting rods and top rods, the top ends of the neighboring supporting rods are sequentially connected together by the top rods, and hooks are arranged at the vertex corners of the supporting framework; the top end of the screen bag is closed, the bottom end of the screen bag is open, the screen bag is arranged in the supporting framework, rings are arranged at positions on the top end of the screen bag, wherein the positions correspond to the vertex corners of the supporting framework, rings are also arranged at positions on the bottom end of the screen bag, wherein the positions correspond to the supporting rods, and both the top end and the bottom end of the screen bag are connected with the supporting framework through the hooks and the rings. The physical protector can prevent the common pests of a single piece of Chinese cabbage before harvesting, and also can be used as a package for a single piece of harvested Chinese cabbage.

The invention discloses a seedling culture device and method for culturing mycorrhizal seedlings. The device comprises an upper layer and a lower layer, a seedling culture chamber is formed in the upper layer, and an inoculant chamber is formed in the lower layer. An opening is formed in the upper portion of the seedling culture chamber, the bottom of the seedling culture chamber is in a screen shape, and a PVC screen or an iron wire screen with the hole diameter being 2 mm is arranged at the bottom of the seedling culture chamber. An opening is formed in the upper portion of the inoculant chamber, the bottom of the inoculant chamber is sealed, and an arbuscular mycorrhizal fungal inoculant is put in the inoculant chamber. During seedling culture, the surfaces of seeds are disinfected with10% sodium hypochlorite or other disinfectants, and the surfaces of the seeds are completely washed with sterile water. A culture matrix or soil is subjected to hot-pressing sterilization, and then sowing and seedling culturing are carried out. The mycorrhizal seedlings are cultured through the seedling culture device, the seedling culture matrix is not mixed with the arbuscular mycorrhizal fungal inoculant, the inoculant only makes contact with root systems of the seedlings, the density of the inoculant around the root systems is increased, the root systems fully make contact with the inoculant, the infection rate of mycorhiza is increased, infection of other infectious microbes is reduced, the use quantity of the seedling culture matrix can be reduced, and the cost can be reduced.

The invention discloses an anti-termite environment-friendly cable material and a preparation method thereof. This cable material is composed of components according to following parts by weight: 80-120 parts of high-density polyethylene, 10-20 parts of low-density polyethylene, 15-35 parts of menthol, 1-3 parts of a preservative, 2-4 parts of an antibacterial agent, 2-7 parts of epoxidized soybean oil, 1-2 parts of zinc stearate, 15-25 parts of a flame retardant, 5-15 parts of talcum powder, 15-20 parts of light weight calcium carbonate, and 3-5 parts of a silane coupling agent. The invention overcomes the defect that a conventional anti-termite cable is toxic, the menthol is added to this formulation, menthol cool dissipated by the menthol destructs a warm environment around the cable, and stimulating odor of the menthol can dispel termites, giving a great reduction in cable attack and destruction by the termites.

The invention discloses a nano-silver antibacterial sanitary pad and a production method thereof, and relates to the field of physiological hygiene products. The nano-silver antibacterial sanitary pad comprises a surface layer, an absorption layer and a bottom layer, wherein the absorption layer is formed by compounding non-woven fabric, the bottom layer is formed by compounding a PE breathable film and non-woven fabric, and the surface layer is composed of a base material and antibacterial liquid. The preparation method of the nano-silver antibacterial sanitary pad comprises the three steps of antibacterial liquid preparation, raw material preparation and fitting forming. According to the nano-silver antibacterial sanitary pad and the preparation method thereof, the antibacterial liquid contains nano-silver and O-carboxymethyl chitosan, so that the sanitary pad has excellent antibacterial ability, the female infection risk is reduced, and physiological hygiene and health of women are ensured; the antibacterial liquid containing the nano-silver material is attached to the surface layer in an impregnation mode, so that the overall antibacterial ability is improved; and the surface layer filled with the antibacterial liquid after impregnation is dried in an extrusion mode, so that the loss of the antibacterial liquid is reduced, and the utilization rate of the antibacterial liquid is increased.

The invention discloses an antibacterial emulsion for fresh keeping of var. ramosa Hort. and a method for preparing a var. ramosa Hort. fresh keeping film. Plant essential oil, carbon quantum dots, aco-emulsifier, an emulsifying agent and distilled water are mixed in a specific sequence and a technology so that a microemulsion is prepared. According to the antibacterial emulsion disclosed by theinvention, a carbon quantum dot technique is introduced into the field of fresh keeping of vegetables for the first time, the characteristics of the carbon quantum dots and the characteristics of antibacterial plant essential oil are sufficiently utilized, and the antibacterial emulsion good in dispersibility, stable in film formation and high in bacteriostasis capacity is obtained. The antibacterial emulsion and propolis liquid are compounded to obtain a mixture, then the mixture is coated onto packaging films to be used for fresh keeping of the var. ramosa Hort. in the warehouse storing course, respiratory intensity of the fresh-cut var. ramosa Hort., microorganism growth and activity of polyphenol oxidase can be well restrained, VC losses in the storage period can be reduced, and favorable organoleptic quality of the var. ramosa Hort. can be maintained. After the fresh-cut var. ramosa Hort. coated with the fresh keeping film is in low-temperature preservation under the condition of4 DEG C, the shelf life can be prolonged to 10-15 days.

The invention discloses a gelling agent for prevention and treatment of apple tree diseases and a preparation method thereof. The gelling agent comprises the following components in percentage by mass: 0.1-10% of carbendazim, 0.01-0.5% of a wound healing agent, 3-10% of a binder, 0.1-10% of a wetting dispersant, 1-10% of a brightening agent and the balance of distilled water. The preparation method comprises the following steps: weighing and taking active ingredients carbendazim, the wetting dispersant, the brightening agent and the distilled water according to the measuring requirement of the formula, fully wetting and stirring uniformly, adding the mixture into a sand mill for sanding, discharging into a mixing kettle, adding the wound healing agent, the binder and the rest of the distilled water, mixing uniformly to obtain the gelling agent. According to the gelling agent for prevention and treatment of apple tree diseases and the preparation method thereof, provided by the invention, the low-toxicity medicaments are taken as the active ingredients and have an obvious prevention and control effect on valsa ceratosperma of apple trees; besides, a layer of uniform medicinal film is formed at wounds of the apple trees after the gelling agent is used, the ventilation effect is good, autonomous respiration of apple trees is not influenced, wound infection of apple trees caused by exotic germs can be effectively reduced, the rain washing resisting performance is improved, and the effective duration is prolonged.

The invention relates to the technical field of plant grafting cultivation, in particular to a walnut seedling grafting propagation method. According to the walnut seedling grafting propagation method, a culture solution is prepared from, by weight, 3-5 parts of ethyl alcohol, 2-3 parts of sodium hypochlorite, 3-5 parts of streptomycin, 3-5 parts of gibberellic acid, 4-6 parts of brassinolide, 3-5 parts of 2,3-dichlorphenoxyacetic acid, 3-5 parts of N-(3-chloro-4-pyridyl)-N'-phenylurea, 2-3 parts of rosin, 4-6 parts of jasmonic acid, 4-6 parts of salicylic acid, 3-5 parts of rooting powder and 2-3 parts of water-retaining agent, and then the propagation steps of stock and scion preparation, disinfection, grafting, soaking and the like are carried out. The walnut seedling grafting propagation method is scientific and reasonable in formula, the walnut seedling wound healing time can be shortened, growth can be promoted, and the grafting survival rate can be increased.

The invention discloses dichocrocis punctiferalis artificial feed and a preparation method thereof, and belongs to the field of insect feed. The artificial feed has the advantages that the feeding effect is good; the indexes such as the survival rate, the single-female egg laying amount and the hatching rate are obviously higher than the feeding effect of the existing artificial feed. Secondly, the artificial feed can meet the nutrition requirements of the dichocrocis punctiferalis three-year-old larvae to pupating stages; the large-scale and long-time transgenerational feeding of the dichocrocis punctiferalis can be realized. The ingredients of the artificial feed are all common ingredients in daily life; the cost is low; the materials can be easily obtained. In addition, the yeast powder, sucrose, vitamin C and composite vitamin B in the artificial feed can provide nutrition for the accelerated growth of the dichocrocis punctiferalis in each growth stage; the pathogenic bacterium infection and death can be reduced; the plant oil can be used for preventing the later stage dry cracking phenomenon in the later stage.