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32 results about "Hybrid production" patented technology

Method for creating tomato cytoplasmic male sterility new germplasm through MSH1 gene editing and application

The invention belongs to the technical field of crop breeding by a gene editing technology, and particularly relates to a method for creating a novel tomato cytoplasmic male sterility germplasm through gene editing and an application of the novel tomato cytoplasmic male sterility germplasm. In order to solve the problems that existing cytoplasmic male sterile materials in tomatoes are insufficient, production of tomato hybrid seeds is restricted and the like, gene editing is performed on MSH1 through a CRISPR / Cas9 technology, cytoplasmic male sterile single plants are identified in mutant selfing separation progenies and hybridized with wild types twice, and the tomato hybrid seeds are obtained. Finally, a novel non-transgenic tomato cytoplasmic male sterility material with the MSH1 gene recovered to a wild type is obtained, and meanwhile, the horticultural character of the original fertile material is kept unchanged.
Owner:ZHEJIANG UNIV

Concentrated feed ingredient mixing production line

The utility model discloses a concentrated feed ingredient mixing production line, and relates to the technical field of feed production. The powder mixing device comprises a conveying auger, powder bins, a mixing bin and a mixing motor, the upper portion of the peripheral side of the conveying auger is fixedly communicated with conveying pipes at equal intervals, the powder bins are arranged above the conveying pipes, one end of the conveying auger is fixedly communicated with an elevator, the output end of the elevator is fixedly communicated with the mixing bin, and the mixing motor is fixedly communicated with the mixing bin. A mixing motor is fixed to the center of the top end of the mixing bin, a driving shaft is fixed to the output end of the mixing motor, and spiral blades are fixed to the lower portion of the peripheral side of the driving shaft in an annular array mode. Through the arrangement of the conveying auger, the powder bin, the mixing bin and the mixing motor, the problems that raw materials need to be mixed firstly and then conveyed into a granulator to be granulated in a concentrated feed production line, the conveying is interrupted, the working process is not smooth enough, and the production applicability of the production line to common feed and concentrated feed is not high enough are solved.
Owner:新乡市和协机械有限公司

Polyploid hybrid maize breeding

The present inventions relate to a breeding system for the production of polyploid maize seeds, maize plants, or maize plant parts where cycles of meiosis, syngamy, and selection are used for interpopulation improvement of progenitor lines, and sexual polyploidization occurs during hybrid production by inducing clonal gamete formation in the parents that are to be crossed. Reciprocal recurrent selection can be used to inform selection of candidate maize lines that are either advanced to a gene editing or genetic modification system or crossed and selected to induce clonal gamete formation by arresting meiotic recombination and chromosome reduction. Crosses of parent maize plants bearing clonal gametes are planned and executed based upon predicted heterotic performance at the polyploid level. The final product is a homogeneous population of hybrid polyploid maize seed, or derivative thereof, bearing both parents' complete nuclear genomes.
Owner:OHALO GENETICS INC

A method and apparatus for executing a design of a hybrid production

The application discloses a kind of hybrid production execution design method and device.The application includes: generating event set, event set includes production subject identification, online time, production constraint and process set;Arrange event set, get initial particle, when initial particle reaches preset quantity, get initial particle group, wherein each event set corresponds to an initial particle, initial particle includes at least one planned event, planned event includes at least one process set, process set includes at least one process;Step S103, optimize initial particle, get initial optimized particle;Step S104, evaluate initial optimized particle, get initial optimal particle;Repeat the execution step S103-step S104 to preset number of times, obtain final optimal particle.Through the application, the problem that cannot be dynamically adjusted in production process in related art is solved.
Owner:AUTOMOTIVE ENGINEERING CORPORATION +1

System and method for preparing briquette fuel from biomass coupled gasified slag

PendingCN121780219ASolid fuelsHot air ovenSlag
The invention discloses a system and a method for preparing briquette fuel from biomass coupled gasified slag, and belongs to the technical field of resource recovery. The system comprises a crusher, a crusher, a dryer, a pyrolyzing furnace, a gas hot blast stove, a dryer, a batching stirrer, a forming machine and a packaging machine. According to the system provided by the invention, the briquette fuel can be prepared by coupling the biomass with the gasified slag, and heat is provided for the pyrolyzing furnace and the drying machine by utilizing high-temperature flue gas generated by combustion of biomass pyrolysis oil gas, so that the moisture content of the gasified slag is effectively reduced; the high calorific value characteristics of the biomass and the biomass charcoal are combined to be mixed with the gasified slag to produce a molded particle product, so that the gasified slag is subjected to resourceful treatment and utilization; the biomass, the biomass charcoal and the gasified slag are compounded, so that the prepared briquette fuel has better combustion performance.
Owner:CHINA PETROLEUM & CHEMICAL CORP +2

Hybrid production flexible assembly job shop scheduling method considering multi-assembly sequence change and transportation task based on Q-Learning memetic algorithm

The invention discloses a hybrid production flexible assembly job shop scheduling method considering multi-assembly sequence change and transportation tasks based on a Q-Learning model algorithm. The method comprises the following steps: S1, establishing a scheduling model taking total production completion time, total inventory time and total manpower cost as optimization targets; s2, providing a Q-Learning memetic algorithm to solve the scheduling model, designing a five-layer segmented mixed chromosome coding structure and a two-subgeneration chromosome updating method, and introducing a variable neighborhood search strategy and an elite retention strategy; s3, adaptively adjusting the cross range of the chromosomes through Q-Learning to improve the algorithm efficiency; and S4, through comparison with other three algorithms, validity and robustness of the proposed algorithm are verified. Based on the scheduling method provided by the invention, the processing and assembling sequences of product parts can be optimized simultaneously in the scheduling process of multi-product mixed production and consideration of transportation tasks, and meanwhile, machines, workers and AGV resources are reasonably allocated, so that the production cycle of products is effectively shortened.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Cutting fluid production device capable of efficiently mixing

The utility model provides a cutting fluid production device capable of efficiently mixing, which relates to the field of cutting fluid production and comprises a mixing production frame, the bottom end of the mixing production frame is fixedly connected with the top ends of supporting legs, and the top of the mixing production frame is fixedly connected with the outer wall of a mixing mechanism. The mixing mechanism comprises a protective cover, a driving motor and a first stirring rod, and the bottom end of the mixing mechanism is fixedly connected with the top end of the additional mixing assembly. According to the stirring device, the driving motor is started to drive the first stirring rod to rotate, the first stirring rod rotates to stir and mix raw materials, the first stirring rod drives the extension plate to rotate while rotating, and the extension plate rotates to drive the second stirring rod to rotate around the first stirring rod; when the second stirring rod rotates around the first stirring rod, the second stirring rod rotates at the same time through meshing connection of the gear and the gear ring, and the mixing effect is improved through simultaneous stirring of the first stirring rod and the second stirring rod.
Owner:WUXI NARUNTE TECH CO LTD

Hybrid production flexible assembly job shop scheduling method considering multi-assembly sequence change based on hybrid memetic algorithm

The invention discloses a hybrid production flexible assembly job shop scheduling method considering multi-assembly sequence change based on a hybrid memetic algorithm, and the method comprises the following steps: S1, building a hybrid production flexible assembly job shop scheduling model with total production completion time, total inventory time and total labor cost as optimization targets under dual-resource constraint; a flexible assembly job shop scheduling mathematical model for multi-assembly sequence change mixed production is considered; s2, on the established mathematical model, providing a hybrid memetic algorithm to solve the provided problem, designing a four-layer segmented hybrid chromosome coding structure adapted to the problem and an updating method of two sub-generation chromosomes, and introducing a variable neighborhood search strategy and an elite retention strategy; s3, proving the superiority of the proposed scheduling method through case research; and S4, through comparison with a flower pollination algorithm and a rapid non-dominated genetic algorithm, verifying the effectiveness and robustness of the proposed algorithm. According to the hybrid production flexible assembly job shop scheduling method considering the multi-assembly sequence change based on the hybrid memetic algorithm, the processing sequence and the assembly sequence of product parts can be optimized at the same time in the multi-product hybrid production scheduling process, and machine and worker resources are reasonably distributed at the same time; and the production cycle of products is effectively shortened.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Matrix treatment device for coastal salt-tolerant tree species cultivation

The invention relates to the technical field of cultivation substrate treatment, in particular to a substrate treatment device for coastal salt-tolerant tree species cultivation, which comprises a mixed production structure and a secondary treatment structure, and the side end of the mixed production structure is communicated with the secondary treatment structure. Through the arrangement of the mixing production structure, material guiding and water spraying work is carried out, different materials can be guided into a first material guiding pipe, a second material guiding pipe and a third material guiding pipe in the material mixing mechanism so as to be mixed in a storage seat sleeve, efficient mixing is carried out through a driving rod and a mixing treatment disc, heating treatment is carried out through a heating seat, and therefore the machining purpose is achieved; after specified time, an electromagnetic valve is opened, a material body can be guided into a storage box through a conical guide seat, a water conveying pipe and a spraying pipe are guided into a water body, the water body can be sprayed on the storage box, and meanwhile, a conveying belt drives the storage box to move, so that boxing work is carried out, and the cultivation matrix can be automatically guided in and conveyed; and the purpose of automatic production is achieved.
Owner:NANJING FORESTRY UNIV

Thermo-sensitive sterility characteristics of MIR162 transgenic corn and its related applications

The present application relates to the new discovery of thermo-sensitive male flower sterility characteristics of transgenic corn event MIR162, and its application in parental reproduction, backcross breeding, pre-breeding and two-line hybrid production.
Owner:CHINA NAT SEED GRP CO LTD

Mixing device with filtering function for enzyme beverage production

The utility model relates to a mixing device with a filtering function for enzyme beverage production, and relates to the technical field of mixing production devices, the mixing device is provided with a stirring tank and a filtering tank, the stirring tank and the filtering tank are communicated through a connecting pipe, and the connecting pipe is provided with a first electromagnetic valve; a feeding hole is formed in the upper end surface of the stirring tank, and stirring mechanisms are arranged on two sides of the feeding hole; a first filtering part and a second filtering part are arranged in the filtering tank; the first filtering part comprises a supporting wall and a collecting barrel, and first filtering holes are formed in the side wall of the collecting barrel and the supporting wall; the second filtering part is arranged below the first filtering part; a discharging opening is formed in the bottom of the filtering tank, a sliding groove is formed in the inner side wall of the discharging opening, an opening communicated with the sliding groove is formed in the outer side wall of the discharging opening, a third filtering component is arranged on the sliding groove, and the third filtering component is in sealed connection with the opening. The device has the advantages of simple structure, good filtering effect, low cleaning frequency, convenience in maintenance and the like, and can improve the production efficiency and the production quality.
Owner:HUIZHOU JIALIAN HEALTH CARE DEVICES & MATERIALS CO LTD

Efficient mixing device for fertilizer production

The utility model belongs to the technical field of fertilizer production equipment, and discloses an efficient mixing device for fertilizer production, which comprises a rack, a mixing tank is mounted on the rack, the mixing tank is of a vertical cylindrical structure, the bottom of the mixing tank is conical, a feed port is formed in the top of the mixing tank, a discharge port is formed in the bottom of the mixing tank, and a stirring mechanism is mounted in the mixing tank; the stirring mechanism comprises a fixed plate, the fixed plate is mounted at the feed port, a stirring shaft is vertically and rotatably mounted on the fixed plate, the stirring shaft is vertically arranged in the center of the mixing tank, a driving motor is mounted on the fixed plate, an output shaft of the driving motor is in transmission connection with the stirring shaft, and a first stirring blade and a second stirring blade are mounted on the stirring shaft; a guide plate is mounted on the inner wall of the mixing tank; a controller for controlling the rotating speed and the rotating direction of the driving motor is mounted on the outer surface of the mixing tank. The fertilizer mixer is simple in structure, convenient to operate, high in mixing uniformity, high in efficiency and low in energy consumption, and can be widely applied to mixing production of various fertilizers.
Owner:SHANDONG CREATE YIFENG FERTILIZER GRP CO LTD

Gypsum self-leveling mortar homogenizing and mixing production device

The invention relates to the technical field of gypsum mortar mixing devices, in particular to a gypsum self-leveling mortar homogenizing mixing production device which comprises a stirring box with a feeding hopper arranged at the top and a discharging pipe arranged at the bottom, a vertical stirrer is axially arranged in the stirring box, and horizontal stirrers are symmetrically arranged on the two sides of the vertical stirrer; the horizontal stirrer comprises a rod body rotationally arranged on the top of the stirring box, a stirring motor part for driving the rod body to rotate is arranged on the stirring box, five groups of stirring blades are symmetrically arranged on the periphery of the rod body, and the stirring blades are connected with the rod body through an angle adjusting assembly. Through cooperation of the vertical stirrer and the horizontal stirrer, all-directional convection of materials is realized, and the mixing effect is improved; based on the guide mechanism composed of the hydraulic assembly, the piston piece and the rotating piece, the angle of the stirring blade can be adjusted, the stirring requirements of a mixing mode of dry mixing dispersion, wet mixing shearing and lightweight aggregate protection are met and adapted, and the mixing efficiency and the mixing effect are improved.
Owner:TIANJIN CHANGSEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Production scheduling method, device, and storage medium based on hybrid production mode

PendingCN122088895AReduce backlog riskExcellent delivery speedData processing applicationsManufacturing computing systemsLead timeManufacturing scheduling
This application relates to the field of manufacturing scheduling technology, specifically disclosing a production scheduling method, apparatus, and storage medium based on a hybrid production mode. This application determines the safety stock levels of finished and semi-finished products based on inventory parameters such as the first average replenishment lead time for finished products, the second average replenishment lead time for semi-finished products, the average demand rate and standard deviation for each order type within a preset time period, the normal quantile corresponding to the target service level, the proportion of MTO orders, the response time of MTO orders, the MTO additional inventory coefficient, the correlation coefficient between different demand sources, the semi-finished product conversion rate, the inventory reduction rate, and the lower limit ratio of finished product inventory. This allows for the scheduling of production plans for different types of orders from customers using their respective corresponding production modes to ensure optimal delivery speed and ultimately fulfill order requirements, while simultaneously reducing the risk of inventory backlog for finished and semi-finished products.
Owner:ZHONGKE YUNGU TECH

Mixing production device for experimental animal feed

The utility model belongs to the technical field of mixing production devices, and discloses a mixing production device for experimental animal feed, which comprises a mixing tank, a mixing mechanism is arranged in the mixing tank, the mixing mechanism comprises a driving part, a hollow shaft, a hollow stirring rod and an auxiliary part, the driving part is fixedly arranged on the mixing tank and provides power for the hollow shaft, and the hollow stirring rod is arranged on the hollow shaft. The hollow shaft is rotatably arranged in the mixing tank, and the plurality of hollow stirring rods are fixedly arranged on the hollow shaft; the auxiliary part comprises a fixing shaft and a plurality of stirrers matched with the fixing shaft, the fixing shaft is fixedly arranged in the mixing tank through a plurality of fixing frames, the hollow shaft is rotationally arranged on the outer side of the fixing shaft, a fixed bevel gear is fixedly arranged on the fixing shaft, and the stirrers are rotationally arranged in the corresponding hollow stirring rods. A moving bevel gear is fixedly arranged on the stirrer; according to the feed mixing device, the feed mixing speed can be further improved through the use of auxiliary parts arranged in the feed mixing mechanism.
Owner:青岛今墨堂生物技术有限公司

Filtering device for aerosol production

The utility model relates to a filtering device for aerosol production, which belongs to the technical field of aerosol production and comprises a reaction kettle, a first motor is fixedly connected to the bottom of the reaction kettle, a rotating shaft of the first motor is fixedly connected with a stirrer, and the stirrer is positioned in the reaction kettle. When the aerosol is produced, raw materials fall into the top of the first filtering plate through the feeding port, fall into the reaction kettle through filtering of the first filtering plate and are subjected to mixed production in the reaction kettle, and a large number of impurities can be adhered during long-time filtering of the raw materials through the first filtering plate; at the moment, a second motor can be utilized to drive a first filter plate to rotate through a partition plate, after the first filter plate rotates to the other side, the first filter plate inclines, and at the moment, impurities on the first filter plate can be cleaned and collected through a collecting structure; therefore, the filtering effect of the first filtering plate is prevented from being influenced by excessive impurities on the first filtering plate.
Owner:LINYI CHANGYUN SANITARY PROD CO LTD

Execution design method and device for mixed production

The invention discloses an execution design method and device for mixed production. The method comprises the steps that an event set is generated, wherein the event set comprises a production subject identifier, online time, production constraints and a process set; arranging event sets to obtain primary particles, and when the primary particles reach a preset number, obtaining a primary particle swarm, where each event set corresponds to one primary particle, each primary particle comprises at least one plan item, each plan item comprises at least one process set, and each process set comprises at least one process; step S103, optimizing the primary particles to obtain primary optimized particles; step S104, evaluating the primary optimization particles to obtain primary optimal particles; and the step S103 to the step S104 are repeatedly executed for a preset number of times, and a final optimal particle is obtained. Through the method and the device, the problem that dynamic adjustment cannot be performed in the production process in the prior art is solved.
Owner:AUTOMOTIVE ENGINEERING CORPORATION +1

A system for mixed production of boiled chicken and spiced chicken

The present invention belongs to the field of machinery and discloses a mixed production system for white-cut chicken and spiced chicken, which includes a white-cut chicken production line and a spiced chicken production line. The white-cut chicken production line has N first boiling pots connected in sequence, a water cooling pool, and a first air-cooling tunnel; the water cooling pool can accommodate M racks for carrying whole chickens at the same time; the spiced chicken production line has N first boiling pots, M second boiling pots, and a second air-cooling tunnel connected in sequence. In the allowed production space, the system extends the spiced chicken production line. Based on the production characteristics of spiced chicken, the spiced chicken production line can be changed into two spiced chicken production lines, and can also be changed into one white-cut chicken production line without adding a water cooling pool.
Owner:MAANSHAN WEIHE MECHANICAL EQUIP CO LTD

Temperature-sensitive sterility characteristic of MIR162 transgenic maize and related application of temperature-sensitive sterility characteristic

The invention relates to a new discovery of male flower temperature-sensitive sterility characteristics of a transgenic maize event MIR162 and application of the male flower temperature-sensitive sterility characteristics in parent breeding, backcross transformation, pre-breeding and two-line hybrid production.
Owner:CHINA NAT SEED GRP CO LTD

Mixing device for food seasoning processing and production

The utility model discloses a mixing device for processing and producing food condiments, which belongs to the technical field of food processing equipment, double stirring structures work cooperatively, spiral stirring blades stir the condiments in a three-dimensional manner, flexible beating pulp beats the condiments twice, the traditional stirring limitation is broken through, powder, particles and liquid condiments can be uniformly mixed, and the mixing effect is good. The taste and flavor of the product are highly consistent, and the quality is greatly improved. A double-stirring structure is matched with a simple tank body structure, no cleaning dead angle exists, and the situation that part of seasonings are in a static state for a long time due to stirring dead angles easily formed in the stirring process, and the stirring quality level is strictly controlled is avoided. The intelligent control system stores multiple formulas and one-key switching parameters, can easily cope with mixed production of various food seasonings, accelerates research and development and production processes of new products of enterprises, enhances market competitiveness, and has the effects of overcoming the defects of a traditional device and realizing efficient and uniform mixing of the seasonings.
Owner:CHONGQING LIANGXIONG FOOD CO LTD

Polyploidy crossbreeding

PendingCN120835748AHydrolasesPlant peptidesBiotechnologyMeiosis
The present invention relates to a breeding system for the production of polyploidy seeds, plants or plant parts in which cycles of meiosis, gamete coordination and selection are used for inter-population improvement of progenitor lines and sexual polyploidy occurs during hybrid production by inducing cloned gamete formation in parents to be hybridized. Mutual recurrent selection can be used to inform the selection of candidate lines that are advanced to a gene editing or genetic modification system, or hybridized and selected to induce clone gamete formation by preventing meiotic recombination and chromosomal subtrahend. Hybridization of parent plants carrying cloned gametes is planned and performed based on the predicted heterosis performance at the polyploidy level. The final product is a homogeneous population of hybrid polyploidy seeds or derivatives thereof, which carries the intact nuclear genome of both parents. In some cases, the methods are used to generate plants that produce seedless fruits.
Owner:OHALO GENETICS INC

Cell hybrids as host cells for highly efficient production of gene therapy vectors and viral vaccines

The present disclosure provides techniques for adapting host cells to increase the production of viral vectors and particles and improve their quality. Cell hybrids are formed from parental cell lines and are either divided into multiple aliquots for testing or cloned. An aliquot having high production capacity and phenotypic characteristics related to virus production, such as optimal levels of intracellular organelles, etc., is selected and used to establish a production cell line. The production cells can be genetically modified to express a transgene encoding viral elements for producing viral vectors or particles having a therapeutic payload. The hybrid production cells generate more and higher functional titers of viral vectors or particles per cell, thereby reducing the production cost of pharmaceuticals for use in gene therapy and immunization.
Owner:CHO PLUS INC

An automatic additive device for production aids

The application relates to an automatic production aid adding device, which comprises a moving part, a stabilizing part, a reaction part, an air compressor, a vacuum generator and a controller. The moving part enables flexible movement of the device. The stabilizing part is used for fixing and supporting a production aid containing barrel, ensuring that the barrel remains stable during operation and avoiding leakage or pouring of the aid due to vibration or movement. The reaction part comprises a reaction kettle and a weighing part. The reaction kettle is used for receiving and mixing the production aid, and the weighing part is used for accurately measuring the weight of the aid in the reaction kettle. The reaction kettle is placed on the weighing part, and the weight change of the production aid can be monitored in real time. The air compressor is communicated with the reaction kettle and is used for driving the delivery of the production aid and controlling the pressure in the reaction kettle. The vacuum generator is communicated with the reaction kettle and helps to extract gas or liquid in the reaction kettle. The controller is electrically connected with the weighing part, the air compressor and the vacuum generator respectively, monitors the weight data of the weighing part in real time, and ensures the accuracy of the aid adding.
Owner:JINAN ORIENTAL YUHONG BUILDING MATERIALS CO LTD

Polyploid hybrid maize breeding

The present inventions relate to a breeding system for the production of polyploid maize seeds, maize plants, or maize plant parts where cycles of meiosis, syngamy, and selection are used for interpopulation improvement of progenitor lines, and sexual polyploidization occurs during hybrid production by inducing clonal gamete formation in the parents that are to be crossed. Reciprocal recurrent selection can be used to inform selection of candidate maize lines that are either advanced to a gene editing or genetic modification system or crossed and selected to induce clonal gamete formation by arresting meiotic recombination and chromosome reduction. Crosses of parent maize plants bearing clonal gametes are planned and executed based upon predicted heterotic performance at the polyploid level. The final product is a homogeneous population of hybrid polyploid maize seed, or derivative thereof, bearing both parents' complete nuclear genomes.
Owner:OHALO GENETICS INC

Polyploid hybrid potato breeding

The present inventions relate to a breeding system for the production of polyploid potato seeds, plants, or plant parts where cycles of meiosis, syngamy, and selection are used for interpopulation improvement of progenitor lines, and sexual polyploidization occurs during hybrid production by inducing clonal gamete formation in the parents that are to be crossed. Reciprocal recurrent selection can be used to inform selection of candidate potato lines that are either advanced to a gene editing or genetic modification system or crossed and selected to induce clonal gamete formation by arresting meiotic recombination and chromosome reduction. Crosses of parent plants bearing clonal gametes are planned and executed based upon predicted heterotic performance at the polyploid level. The final product is a homogeneous population of hybrid polyploid potato seed, or derivative thereof, bearing both parents' complete nuclear genomes. In some instances, the method is used to generate seedless plants.
Owner:OHALO GENETICS INC

High-pressure hybrid vessel for low-power hydrocarbon vapor recovery

PCT designated stageWO2026073284A1Fluid removalLiquid hydrocarbonsProduced water
A hybrid production and storage vessel includes a liquid hydrocarbon outlet, a produced water outlet and a vent, wherein a weir separates the liquid hydrocarbon outlet and the produced water outlet. A vapor recovery unit includes one or more compressors and one or more motors connected to said compressors. A vent line connects the vent to the compressors and a valve controls flow through the vent line. A sensor is positioned to provide an indication of a level of pressure within the hybrid production and storage vessel. A controller is connected to the one or more motors, the valve and the sensor, wherein upon a level of pressure reaching a selected threshold, the controller operates to open the valve and drive the one or more motors.
Owner:SYNERGY THERMOGEN INC

Multifunctional microbial agent and use thereof

PCT designated stage expiredWO2025138861A1BiocideBacteriaBiotechnologyMicrobial agent
A multifunctional microbial agent and the use thereof. The multifunctional microbial agent comprises a composite microbial agent and an adsorbable carrier, wherein the adsorbable carrier comprises livestock and poultry manure, mushroom bran and straw. Three novel Bacillus strains having nitrogen fixation, phosphate solubilizing and potassium solubilizing activities are obtained by means of screening, and serve as excellent microbial agent production strains. The microbial agent produced by means of mixing the composite microbial agent and exogenous organic raw materials the livestock and poultry manure and the crop straw can better improve the microbial environment of soil, activate soil for nutrient retention, and promote nutrient absorption of crops, thus improving the yield and quality of crops.
Owner:HUBEI MAOSHENG BIOLOGY CO LTD

Polyploid hybrid potato breeding

The present inventions relate to a breeding system for the production of polyploid potato seeds, plants, or plant parts where cycles of meiosis, syngamy, and selection are used for interpopulation improvement of progenitor lines, and sexual polyploidization occurs during hybrid production by inducing clonal gamete formation in the parents that are to be crossed. Reciprocal recurrent selection can be used to inform selection of candidate potato lines that are either advanced to a gene editing or genetic modification system or crossed and selected to induce clonal gamete formation by arresting meiotic recombination and chromosome reduction. Crosses of parent plants bearing clonal gametes are planned and executed based upon predicted heterotic performance at the polyploid level. The final product is a homogeneous population of hybrid polyploid potato seed, or derivative thereof, bearing both parents' complete nuclear genomes. In some instances, the method is used to generate seedless plants.
Owner:OHALO GENETICS INC

Matching method for integrating genome selection and application

The invention discloses a matching method for integrating genome selection and application, and belongs to the field of genetic resource protection and genetic improvement of local livestock and poultry. In order to solve the problems that existing genome selection focuses on genetic progress and neglects population diversity, and genome selection is mostly used for hybridization production and adaptive purebred conservation is insufficient, the method comprises the following steps: firstly, constructing a simulated breeding population and about 2000 reference populations represented by Ningxiang pigs, and measuring pedigree, phenotype and SNP chip genotype data; calculating candidate individual GEBV based on an ssGBLUP model, screening and reserving seeds, and establishing a target function comprehensively considering selection progress, heterozygosity, an inbreeding coefficient and the like to implement matching; and evaluating an effect through a multi-dimensional index and comparing a comparison strategy. The method realizes the balance of breed conservation and genetic improvement of the local livestock and poultry, can effectively control inbreeding and preserve genetic diversity, provides an effective technical means for breeding of the local livestock and poultry, and has wide reference significance.
Owner:HUNAN AGRI UNIV

Polyploid hybrid breeding

The present invention relates to a breeding scheme for the production of polyploid seeds, plants, or plant parts in which cycles of meiosis, gamete mating, and selection are used for interpopulation improvement of ancestral lines, and sexual polyploidization occurs during hybrid production by inducing clonal gametogenesis in the parents to be crossed. Reciprocal recurrent selection can be used to inform the selection of candidate lines that are either advanced to gene editing or genetic modification systems or crossed and selected to induce clonal gametogenesis by arresting meiotic recombination and chromosome reduction. Crosses of parent plants with clonal gametes are planned and executed based on predicted heterosis performance at the ploidy level. The end product is a uniform population of hybrid polyploid seeds, or derivatives thereof, that possess the complete nuclear genomes of both parents. In some instances, the method is used to produce plants that produce seedless fruit.
Owner:OHALO GENETICS INC