1382 results about "Crop disease" patented technology

The invention relates to a composite microbial fertilizer for controlling crop diseases and insect pests, which contains composite microbial fungicide and is prepared by the following raw materials based on parts by weight: 10-35 parts of composite microbial fertilizer fungicide, 3-15 parts of composite microbial pesticide fungicide, 1-5 parts of insecticidal synergist, 1-5 parts of plant growth regulator, 20-60 parts of grass carbon, 5-15 parts of expanded chicken manure, 5-50 parts of inorganic fertilizer and 1-3 parts of binding agent, wherein the composite microbial fertilizer fungicide is prepared by bacillus megaterium and jelly-like bacillus; and the composite microbial pesticide fungicide is prepared by mixing bacillus thuringiensis and bacillus subtilis, adding sodium percarbonate type solid state oxygen-increasing agent for mixing and fermenting and finally absorbing by the grass carbon. The composite microbial fertilizer adopts strains with good suitability, and the strains are compounded according to a certain proportion to obtain the composite fungicide which has durable activity and stable performance; and the four beneficial strains are compatible with each other and performs the own functions, so that the multiple aims of resisting germs as well as diseases and insect pests, and increasing the crop yield can be achieved.

The invention relates to a method for identifying crop diseases and pests based on an Android mobile phone platform. The method comprises the steps that disease and pest pictures are taken through a camera and stored in an SD card of an Android mobile phone; the disease and pest pictures are preprocessed; features of the preprocessed disease and pest pictures are extracted; feature training is carried out on a feature set, and sample set data are trained through an SVM method to obtain a disease and pest diagnosis model; SVM classification is carried out through the disease and pest diagnosis model, a classification and diagnosis result of the diseases and pests is obtained, and prevention and treatment methods are fed back to a mobile phone user. The invention further discloses a system for identifying crop diseases and pests based on the Android mobile phone platform. Through picture preprocessing and feature extraction carried out on the disease and pest pictures, the disease and pest pictures are classified through the SVM learning method to set up the disease and pest diagnosis model, the purpose of identifying the disease and pest pictures is achieved, and the user only needs to take pictures for the diseases and pests in an aligned mode through the mobile phone, and identification efficiency is high.

The invention discloses a rice leaf blast detection and classification method based on the multi-spectral image processing. A visible/near infrared multi-spectra camera is used for real-timely collecting monochromatic gray images of three waveband channels of green light wavebands, red light wavebands and near infrared wavebands, and then Matlab software is used for programming application software by an image processing method for image processing. The method comprises the removal of background, noises, interferences, and the like, and the recognition analysis of crop disease plague information, and the accurate and rapid processing of whether crops are ill and the position and the classification of disease plagues are realized. The disease recognition time of each picture is only a few seconds. The rice leaf blast detection and classification method based on the multi-spectral image processing is used for the rapid, accurate, stable, real-time and non-destructive crop leaf blast infection diagnosis and for accurately indicating the position of the disease plagues and the classification of infection grades, reducing the dosage due to the overall spraying, lowering the production cost, reducing pollution, providing data support for the variable spraying and improving the decision level of the accurate spraying. The method plays an active role in realizing the precision agriculture.

The invention relates to bsacillus subtilis and microbial inoculum using the bsacillus subtilis as active ingredients, which are applied to the field of fruit freshness keeping. The bsacillus subtilis related by the invention is named as Bsacillus subtilis J18, which is preserved in China General Microbiological Culture Preservation and Management Center at present with the preservation number of CGMCC NO: 3665. Strains are prepared into fermentation agents after fermentation culture, and the fermentation agents are respectively mixed with calcium chloride and chitosan solution to be prepared into dry powder preparations and fruit glaze agents with obvious prevention and treatment effects on pear melasma after picking, black rot of pear, grape grey mould, watermelon wilt and the like. The bsacillus subtilis J18 belongs to a strain of antagonistic bacteria with wide-spectrum resistance on fruit and crop diseases.

The invention discloses a bdellovibrio bacteriovorus for preventing and curing rice bacterial diseases and application thereof. The invention can obtain bdellovibrio bacteriovorus BDFM05 by separationand ultraviolet mutation. The bdellovibrio bacteriovorus BDFM05 is combined with oligosaccharide to obtain bdellovibrio bacteriovorus for preventing and curing crop bacterial diseases. The inventionapplies bdellovibrio bacteriovorus BDFM05 to prevent and cure crop bacterial diseases for the first time. The bdellovibrio bacteriovorus prepared by the method has better rice bacterial diseases preventing and curing effect than common Saisentong, has no toxicity or pollution, is safe to natural enemies of crop diseases and pests, produces no pathogenic bacteria resistance, has no toxic or side effects to people and animals, improves the quality and safety of agricultural products and conforms to the requirements of people on healthy and green food and sustainable-development for agriculturalproduction.

The invention discloses a microorganism compound microbial inoculum, the strains of which comprise bacillus, soil actinomycetes, microzyme, mildew and photosynthetic bacteria. By using the microbial inoculum for straw fermentation, a result indicates that the microbial inoculum can make straws quickly decay and transfer to organic fertilizer required for the growth of plants, thereby the content of soil humus is increased, and the content of microorganism and trace elements in soil is improved. The physicochemical property of soil is improved, and the capability of water and fertility preserving of soil is increased. The soil permeability can also be improved so as to inhibit the happening of crop pests, and the output and quality of products can be improved. The microbial inoculum has the advantages of convenient use, low cost and obvious effect.

The invention provides a crop disease identification method based on incremental learning. When new data arrive, continuous learning is carried out based on an original learning result, and the capability of progressive learning is achieved, which means that new knowledge can be obtained from new samples obtained by batch and the performance is gradually improved under a condition that original knowledge is effectively kept. Firstly, a crop disease sample database is collected, and simulation incremental learning of disease images in the sample database is carried out using a negative correlation integrated neural network as main technical means, so that an initial parameter of a negative correlation learning system is determined, an integrated neural network classifier based on negative correlation learning is initialized based on the initial parameter, and the classifier is trained using a sample in an initial stage; in an incremental learning stage, when an expert adds a new sample in the sample database, the integrated neural network classifier based on negative correlation learning only is updated by only training the newly-added sample data, so that the object of incremental learning is achieved; and finally, a diagnosis result of a disease picture and control measures are fed back to a user, so that the pest and disease can be accurately identified and diagnosed, and the object of comprehensive crop control is achieved.

The invention belongs to the technical field of agricultural biocontrol, and especially relates to a broad-spectrum disease resistance bacillus and an application thereof. The biocontrol bacillus is classified and named as Bacillus velezensis, and the preservation number is CGMCC. No.15766. The Bacillus velezensis has the advantages of broad antibacterial spectrum, strong antagonistic effect, longlasting period, and effectiveness in inhibition of the growth of crop pathogenic fungi, and can be used in the fields of agricultural biocontrol to prevent and control crop diseases caused by gray mold, blight, anthracnose, stem rot, seedling blight, stalk break, gibberellic disease and other fungi. The Bacillus velezensis can also be used for promoting the growth of crop seeds and seedlings andthe preservation and fresh-keeping of fruits and vegetables. The Bacillus velezensis has the characteristics of strong resistance to ultraviolet and drought, simple preparation method and low cost, isa biocontrol strain with excellent performance, and has good development and application prospects.

The invention provides a liquid biological organic fertilizer with high content of organic substances and a preparation method. The fertilizer is characterized by comprising the following components by weight: 60% of a humic acid release inhibitor, 0.4% of a composite biological agent, 10% of fulvic acid potassium, 12% of soluble nitrogen-phosphorus-potassium raw materials, 9% of a chelating medium trace element agent, 8.47% of a soil conditioner, 0.93% of compound sodium nitrophenolate and 0.1% of naphthalene acetic acid; and the fertilizer is prepared by mixing, heating, chelating, concentrating, cooling, microorganism adding, filtering and residue removing. The invention has the following beneficial effects: plant nutrition is directly supplemented; the contents of absorbable organic substances for a root system in soil are rapidly supplemented; growth of the root system is rapidly promoted; absorption area of the root system is enlarged; the chelating medium trace element agent can not be fixed by the soil and exists in a free state in the soil, so the chelating medium trace element agent is easy to be captured and absorbed by the root system in the soil; physiological diseases and pests are prevented from occurrence; quality of an agricultural product is improved; root-rot disease and stem-rot disease are prevented from occurrence; occurrences of fusarium and verticillium wilts and bacterial wilt are reduced; meanwhile, the fertilizer is capable of resisting salinity and alkalinity, resisting continuous cropping diseases, and killing soil-borne diseases.

The invention discloses a rabbit dung-Chinese herbal medicine organic fertilizer which is prepared from the following raw materials in parts by weight: 60-80 parts of rabbit dung, 5-8 parts of Chinese herbal medicine, 10-20 parts of crop straw powder, 10-20 parts of plant ash, 10-20 parts of bagasse, 30-40 parts of sodium humate, 10-20 parts of nano-carbon and 10-15 parts of palygorskite. The rabbit dung-Chinese herbal medicine organic fertilizer is prepared by the steps of: with rabbit dung as a main organic component, fermenting, drying and crushing; and then mixing the treated rabbit dung with Chinese herbal medicine extracts, sodium humate, nano-carbon and palygorskite, pelleting and finally drying. After the rabbit dung-Chinese herbal medicine organic fertilizer disclosed by the invention is applied, the physical and chemical properties of soil can be improved, the nutrient absorption of crops can be promoted, crop plants can thrive, the yield of the crops can be improved, the product quality can be improved, the loss of the fertilizer in the soil can be reduced, the release of the nutrients in the fertilizer can be controlled, the utilization rate of the fertilizer can be improved, the purposes of high yield and high quality can be reached, and the occurrence of diseases and insect pests of the crops can be further reduced.

The invention relates to a pesticide composition for relieving the phytotoxicity of herbicide. Effective components are a plant growth regulating agent and active polysaccharide, wherein the plant growth regulating agent is any one or a mixed agent of two of compound nitrophenolate and diethylaminoethyl hexanoate; the active polysaccharide is any one or a mixed agent of two of chitosan oligosaccharide and poly-glucosene; and the pesticide composition comprises the effective components in parts by weight of 0.05-90.0 parts of the plant growth regulating agent and 0.05-90.0 parts of the active polysaccharide. The pesticide composition comprehensively utilizes the synergism effect of the plant growth regulating agent and the active polysaccharide to resist disease source force and relieve the phytotoxicity of the herbicide. The pesticide composition is further applicable to crop exogenous damages including hormone phytotoxicity, low-temperature frozen injury, salt alkaline injury and the like, and also can be used for crop diseases of crops virus diseases, verticillium wilts and the like.

The invention relates to a botanical natural disinfectant, which is characterized in that the disinfectant is prepared by mixing active components including patchouli essential oil and composite of various plant essential oils and solvent; wherein, the active components are prepared by mixing 0.5 to 30.0 percent of patchouli essential oil, cinnamon essential oil, perilla essential oil, eucalyptus essential oil, litsea cubeba essential oil and citronella essential oil and are used for preventing the crop disease caused by plant pathogenic bacteria. Compared with the original disinfectant, the botanical natural disinfectant has the advantages of good broad spectrum sterilization, safety to non-target organism and environment-friendly biodegradation.

The invention discloses a remote-sensing crop disease identification method based on time phase and spectrum information and a habitat condition. Multi-time-phase visible light-near infrared and thermal-infrared remote sensing images in a study area within a monitoring period are obtained and pretreatment is carried out on the images; with the remote sensing images after pretreatment, planting information of target crops is extracted by combining a certain kind of classification algorithm; and according to the visible light-near infrared and thermal-infrared remote sensing images, habitat information of disease monitoring is obtained, a disease area and a disease type of the target crops in the study area are determined by combining the time phase information of the target crops and the obtained habitat information, and severity of the disease is determined by using the spectrum information based on the determined disease area and disease type. According to the technical scheme, the remote sensing diagnosis precision of the crop disease can be improved effectively; and a reverse identification problem of remote sensing crop disease monitoring can be solved to a certain extent.

The invention discloses a preparation method and application of gum rosin acid copper. The method for preparing the gum rosin acid copper comprises the following steeps: evenly mixing copper salt with alkali liquor; mixing the obtained mixture into a uniform suspension; then slowly dropping the uniform suspension into a solution consisting of rosin and solvent, wherein in the dropping process, the color of the solution is gradually changed from blue to green, and the exothermic phenomenon is produced, then timely cooling is carried out in time, and the dropping process is completed within 20 to 40 minutes; after the dropping process is completed, raising the temperature of the obtained solution to 70 to 90 DEG C, and then carrying out atmospheric dehydration reaction on the obtained solution by using a water separator (100L); and after the dehydration reaction is completed, filtering the obtained object by using standard filter papers so as to obtain a gum rosin acid copper solution of which the concentration is 20 to 50 percent, then analyzing and detecting the content of the obtained product. The application of the gum rosin acid copper is as follows: the gum rosin acid copper prepared in the invention is used together with medicaments for preventing crop diseases and pests. The invention solves the problems that the existing method for preparing the gum rosin acid copper is complicated, hard to implement and not environmental-friendly, and the application scope of the current gum rosin acid copper is narrow.

The invention provides a pesticide composition and application thereof, wherein the composition comprises the active components, namely JS399-19 and a triazole bactericide, and the composition is suitable for controlling agricultural diseases. The pesticide composition has the following advantages: (1) the composition shows excellent synergistic action in certain proportioning range, the sterilizing effect of the composition is improved obviously compared with a single agent, and simultaneously the dosage, the application labor and the cost of the pesticide are reduced, and harmful effect and pesticide residue to the environment are also reduced; (2) the two active components in the composition have different mechanisms of action, and the application of the composition can retard or overcome the drug resistance of pathogenic bacteria and prolong the service life of the single agent; and (3) the composition has wide control spectrum and can control various crop diseases.

The invention relates to green nutritional compound fertilizer and a method for preparing same. The green nutritional compound fertilizer is prepared from plant material, urea or ammonium nitrate, superphosphate, potassium silicate, sodium borate, hydrated magnesium sulphate, zinc sulphate, chelated iron, sodium molybdenum, manganese sulfate, copper sulfate, cobalt nitrate and bio-fertilizer. 60 percent of the green nutritional compound fertilizer can be more easily absorbed by the crops, and the residue of the green nutritional compound fertilizer can be reduced. The green nutritional compound fertilizer can promote the growth of the crops, improve the quality of the crops, make the crops sprout and ripe earlier and have the developed root system and the luxuriant foliage and increase the yield of the crops by 50-80 percent. The green nutritional compound fertilizer can inhibit the breeding and the propagation of pathogens in the soil, reduce the crop diseases, enhance the disease resistance ability of the crops, improve the soil structure, activate the soil nutrient and realize the ecological planting of the crops.

The invention relates to an antagonistic bacterium for controlling leaf spot of peanut and a microbial preparation thereof, belonging to the field of biological control on crop disease. The invention provides a Bacillus amyloliquefaciens BA-KA1 of which the collection number is CGMCC No.8341 and a microbial inoculant containing the same, and also provides application of the Bacillus amyloliquefaciens or the microbial inoculant in control on leaf spot of peanut. According to the invention, the Bacillus amyloliquefaciens BA-KA1 of which the collection number is CGMCC No.8341 and the microbial inoculant thereof have obvious antagonistic action on leaf spot bacteria of peanut, and can control occurrence of leaf spot of peanut; the control efficiency is above 70%. The use of the strain and the microbial preparation thereof can reduce application of chemical pesticides in peanut production processes, thus having favorable ecological and social benefits.

The invention discloses a production method of a rabbit dung-Chinese herbal medicine organic fertilizer. The production method comprises the following steps: with rabbit dung as a main organic component, fermenting, drying and crushing; then mixing the treated rabbit dung with Chinese herbal medicine extracts, sodium humate, germ bran and palygorskite, pelleting and finally drying. After the rabbit dung-Chinese herbal medicine organic fertilizer disclosed by the invention is applied, the physical and chemical properties of soil can be improved, the nutrient absorption of crops can be promoted, crop plants can thrive, the yield of the crops can be improved, the product quality can be improved, the loss of the fertilizer in the soil can be reduced, the release of the nutrients in the fertilizer can be controlled, the utilization rate of the fertilizer can be improved, the purposes of high yield and high quality can be reached, and the occurrence of diseases and insect pests of the crops can be further reduced.

The invention discloses crop volatile matter detection by a metal oxide sensor array. The method comprises the following steps: 1) putting a crop sample in a sampling device, allowing the sample to stand for 30-60 minutes, when top air is balanced, introducing the headspace gas in the container into a sensor array reaction chamber by a sampling pump, allowing the sensor to react with the gas so as to obtain a corresponding response signal which is converted into digits and is inputted into a computer by an acquisition card; 2) performing feature selection and feature extraction of a feature matrix of electronic nose raw data; 3) establishing a mathematical model of the relationship between sensor response signals and different degrees of sample diseases by neural network with the raw dataand the treated data being used as the sensor response signals respectively. The invention has simple operation, greatly improved reliability and repeatability, and increased detection efficiency.

The invention discloses a bacillus atrophaeus strain DPPG-28 and an application in crop disease control, and belongs to the field of agricultural biotechnology. The strain is separated from soil of drip irrigation fields with damping off in tomato processing production areas, and has an accession number of CGMCC No. 9394. The strain can be used for biological control of crop pathogens such as rhizoctonia solani, pythium aphanidermatum, alternaria solani, phytophthora capsici, tomato scab fungi, and the like; the control effects on tomato damping off, capsicum early blight, and cotton damping off reach respectively 74.17%, 66.83%, and 70.12%; the strain can significantly improve the crop germination rate, plant height, fresh weight, and dry weight at the seedling stage. The strain of the invention has high-efficient wide-spectrum germicidal activity, and has wide application prospects in biocontrol agents.

The invention discloses a crop disease and insect information diagnosis system and a crop disease and insect information diagnosis method. The crop disease and insect information diagnosis system comprises an acquisition end and a diagnosis service end, wherein the acquisition end is used for acquiring and transmitting the crop disease and insect information to the diagnosis service end and comprises a microprocessor module, an input module, an output module, a transmission module, an image video acquisition module and a global position system (GPS) module; the image video acquisition module is used for acquiring image information of the crop disease and insect; the GPS module is used for acquiring position information of the crop disease and insect; the crop disease and insect information comprises the image information and the position information; the diagnosis service end is used for receiving the crop disease and insect information acquired by the acquisition end to diagnose and transmit the diagnosis result to the acquisition end; and the diagnosis service end is connected with the acquisition end through a wireless communication network. The crop disease and insect information diagnosis system and the crop disease and insect information diagnosis method have the advantages of positioning, acquiring transmitting and diagnosing the crop disease and insect information in real time, reflecting the field condition and the space distribution characteristic of the crop disease and insect intuitively, accurately and efficiently and coping with the crop disease and insect conveniently and rapidly.