78 results about "Seeds source" patented technology

The invention discloses a yellow flammulina velutipes ZJJZG002 and InDel marker with high resistance and high brittleness and application of the yellow flammulina velutipes ZJJZG002 and InDel marker, and relates to the technical field of edible mushroom cultivation, the preservation number of the yellow flammulina velutipes is CGMCC NO.41174, and the yellow flammulina velutipes is classified and named as flammulina velutipes. The strain ZJJZG002 takes yellow flammulina velutipes F24 and white flammulina velutipes W1 as parents, the parent materials are subjected to ultraviolet mutagenesis treatment and then are subjected to single spore isolation, hybridization (a hybrid combination XB51 * YU19) and fruiting tests, and the strain ZJJZG002 is not prone to umbrella opening, rich in mushroom fragrance, crisp and refreshing in taste, neat in fruiting, suitable for production in various cultivation modes and capable of injecting a new seed source for the domestic flammulina velutipes market.

The invention relates to the technical field of laser welding and sealing equipment, in particular to titanium tube laser welding and sealing equipment for sealing a seed source and a method thereof.The titanium tube laser welding and sealing equipment comprises a station rotating stand capable of periodically rotating by 60 degrees, an upper gear ring and a middle gear ring which synchronously rotate are installed on the station rotating stand, and a lower gear ring which coaxially and reversely rotates with the middle gear ring is further installed on the station rotating stand; six positioning cylinders are mounted on the station rotating stand, a clamping cylinder is rotationally mounted in each positioning cylinder, a clamping module is mounted in each clamping cylinder, and a feeding station, a clamping pre-detection station, a welding station, a post-detection station, a clamping loosening station and a discharging station are sequentially arranged on the station rotating stand in the clockwise direction. The station rotating frame capable of periodically rotating by 60 degrees is designed, the feeding station, the clamping pre-detection station, the welding station, the post-detection station, the clamping loosening station, the discharging station and other stations are arranged in order, cooperative operation of the temperature control mechanism is matched, and an efficient and coherent process flow is successfully constructed.

The embodiment of the invention provides a sealed seed source automatic sorting system and device, and belongs to the technical field of seed source sorting. According to the method, a double-channel feeding module is used for synchronous vibration sorting and directional conveying of double-specification seed sources; the single seed source separating and feeding module is used for controlling alternate capture of double-specification seed sources and airflow jet type output of the seed sources through dynamic station switching of a switching plate; the activity detection module is used for measuring the activity of the seed source through the flow direction control of the Y-shaped inlet connecting pipe and the retention mechanism of the detection pipe; and the discharging automatic sub-packaging module is used for positioning the seed source collecting bottle and the material injection guide pipe in the target activity interval through the rotary storage disc to insert and release the seed source collecting bottle and the material injection guide pipe so as to carry out graded collection of the activity of the seed source. Through a double-channel parallel feeding mechanism, synchronous treatment and dynamic adaptation of seed sources of different specifications are achieved, and the overall productivity is remarkably improved. And the box body design and the automatic split charging process are combined, so that the safety of the working environment is effectively guaranteed.

The invention belongs to the technical field of bamboo reed germplasm screening, and discloses a salt-tolerant bamboo reed germplasm rapid screening method which comprises the following steps: S1, preparing a culture medium; s2, preparing test materials; s3, implementing stress treatment; s4, standardizing data acquisition; s5, a salt tolerance evaluation system; the culture medium preparation comprises substrate screening and pretreatment, high-temperature and high-pressure sterilization treatment, secondary dry heat sterilization and substrate tray loading preparation, the test material preparation comprises tissue culture seedling pretreatment, seedling recovery treatment and disinfection before transplanting, and the data acquisition specification comprises survival rate determination and biomass determination. The salt tolerance evaluation system comprises unidirectional index calculation and grading standards. According to the invention, the key window period of salt-tolerant character expression is accurately locked. A standardized seedling pretreatment and dynamic index evaluation system is adopted, so that the screening efficiency of germplasm with different batches and different genetic backgrounds is remarkably improved, and reliable provenance guarantee is provided for large-scale saline-alkali soil treatment.

This application relates to methods and materials for providing a benefit to a seed or seedling of an agricultural plant (e.g., an agricultural grass plant), or the agricultural plant derived from the seed or seedling. For example, this application provides purified bacterial populations that include novel seed-origin bacterial endophytes, and synthetic combinations of seeds and / or seedlings (e.g., cereal seeds and / or seedlings) with heterologous seed-derived bacterial endophytes.

The application provides a method for preventing and controlling plant aphids, and the specific steps are as follows: selecting plant germination seeds that have grown roots and the root length is 2-6 cm, applying a light cycle treatment of 8h light and 16h darkness in the growth process of the plant germination seeds; in the plant germination seeds, the seed sources include legumes and cruciferous vegetables; and in the growth process of the plant germination seeds, a boron-containing nutrient solution containing the following components is used: Ca(NO3)2.4H2O 4mM, KH2PO4 1mM, KCl 1mM, MgSO4.7H2O 2mM, K2SO40.5mM, FeSO4.7H2O 50μM, EDTA.Na2 50μM, MnCl2 10μM, ZnSO4.7H2O 5μM, CuSO4.5H2O 0.5μM, (NH4)6Mo7O 24 4H2O 1μM, H3BO3 35-70μM, CoCl20.5μM; the nutrient elements are applied according to the following steps: (1) the first boron-containing nutrient solution is used for 1-5d, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; (2) the second boron-containing nutrient solution is used for 6-15d, and the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The invention relates to the technical field of deinsectization preparations and grain preservation, in particular to a method for measuring the deinsectization performance of a storage pest resisting preparation. The method comprises six steps of S1 to S6, namely obtaining seeds of crops with insects, preparing experimental containers and centrifugal tubes, setting different treatment groups, burying the tubes, counting the number of insects, and calculating an average value of insect resistance through repeated experiments to obtain a final measurement result. The operation details of each step, such as seed source and treatment, seed volume requirement in a container, centrifuge tube specification and number, tube burying mode, artificial climate box temperature, humidity and time setting, insect resistance calculation formula and the like, are clearly stipulated. The determination method aims at objectively and accurately determining the insect repelling performance of the stored insect pest preparation through scientific design of an experimental process and accurate control of variables, and provides a reliable basis for research, development and application of related products.

The invention discloses a pine seedling raising method and device based on temperature gradient and photoperiod coordinated regulation, and the method comprises the following steps: S1, seed source molecular marker-assisted screening: in a pine natural distribution area, collecting healthy excellent tree species with the tree age of more than or equal to 30 years, the fruiting amount interannual variation coefficient of less than 15%, and no pest or disease damage; high-grease seed sources are screened through a molecular marker technology, pretreatment with compound liquid is combined, and temperature-light synergistic regulation and control of three-temperature-zone gradient and precise spectrum are matched, so that the seed germination rate is effectively increased, and the quality stability of the pine is enhanced; a composite frozen soil defense structure is matched with an internet-of-things intelligent heating system, so that targeted protection of freezing injury of pine root systems is realized, and meanwhile, energy consumption is effectively reduced; through accurate temperature and light regulation and control of the closed seedling raising cabin and dynamic management of the ad hoc network, the defect of insufficient accumulated temperature in a cold region is overcome, and the limitation of short growing season is broken through, so that the growth efficiency of the pine is effectively improved.

The invention discloses a tissue culture rapid propagation method for Xanthoceras sorbifolia, which relates to the technical field of biology. The technical key points are: traditional Xanthoceras sorbifolia breeding methods are inefficient, have insufficient seed sources, are difficult to survive after transplantation, and are difficult to preserve excellent traits of the mother plant. By using stem segments and tender stems as explants, the proliferation and rooting of Xanthoceras sorbifolia explants are induced in a short time, the induction rate of callus tissue is improved, browning is reduced, and a solid foundation is laid for the subsequent construction of a rapid propagation system for Xanthoceras sorbifolia.

The invention discloses a real-time detection method for bulbus fritillariae propagating activity, and relates to the field of seedling detection, and the method comprises the following steps: step 1, seed stratification pretreatment: mixing bulbus fritillariae seeds and fine sand according to a ratio of 1: 3 for stratification, and maintaining the humidity of a substrate to be 50-60%; 2, dynamically monitoring enzyme activity, namely grinding the sample prepared in the step 1, sampling and detecting the seeds every 10 days, extracting enzyme liquid, and respectively measuring the activity of catalase, peroxidase and amylase in real time by adopting an ultraviolet spectrophotometric method; a full-cycle real-time data flow is constructed, a continuous dynamic process of activity change is captured, then a machine learning model is used for fusion analysis and prediction of seed propagation potential, activity evaluation is converted into a quantifiable propagation activity index, a clear judgment threshold value is set, and the machine learning model is trained on the basis of a large amount of data, so that the propagation activity of seeds is improved. And the accuracy and efficiency of high-quality seed source screening are improved.

The invention provides a sorting mechanism applied to a sealed seed source, and relates to the technical field of seed source sorting, the sorting mechanism comprises a shielding box body and a control system, the shielding box body is internally provided with a material injection execution module; the container processing module comprises a container bearing assembly, a plurality of independently-isolated container stations are arranged in the circumferential direction of the container bearing assembly, a set of elastic clamps are correspondingly arranged in each container station, and a collecting container is fixed to each set of elastic clamps in a releasable mode; the container supply assembly is used for automatically supplying empty collection containers to empty container stations; the cap screwing assembly comprises a bottle cap conveying guide rail and a cap screwing driving mechanism which is vertically arranged; and the finished product discharging unit is linked with the cap screwing assembly. By integrating the cap screwing assembly, the finished product discharging unit and the container supplying assembly, continuous operation without human intervention in the whole process of subpackaging, cap screwing, bottle arranging and bottle supplementing is achieved, and the risk of radiation exposure caused by opening of a bottle opening in the bottle taking, cap screwing and bottle supplementing processes is thoroughly eliminated.

The application belongs to the technical field of molecular biology, and specifically discloses a SNP site combination for constructing a molecular identity card of Guoqin No.2 and application thereof. The SNP site combination can be used for quickly and accurately identifying the authenticity of Guoqin No.2 parent and its seed offspring, and is of great significance for protecting the rights of new plant varieties, preventing fake and inferior varieties from entering the market, and ensuring the safety and reliability of excellent seed sources. On the basis of the provided SNP site combination, the application constructs a molecular identity card of the new variety of traditional Chinese medicinal material Scutellaria baicalensis Georgi, broadens the application of the molecular identity card in the identification of traditional Chinese medicinal material varieties, lays a foundation for the establishment of a molecular identity card in the identification of other traditional Chinese medicinal material varieties and a seed source tracing system, and provides theoretical support for the establishment of a variety identification standard.

The invention belongs to the technical field of titanium tube production equipment, and discloses a titanium tube blanking device for a sealed seed source, which comprises a rack and a motor mounted on the rack, and further comprises a blanking station, an extrusion station, an outer polishing station, an inner polishing station, a standing station, a material moving station and a reciprocating distance adjusting mechanism which are arranged on the rack along the clockwise direction, the reciprocating distance adjusting mechanism is driven by a motor, an outer frame and an inner frame which are symmetrically arranged are in transmission connection with the reciprocating distance adjusting mechanism, and the distance between the outer frame and the inner frame is adjustable in a reciprocating mode. By arranging the extrusion station, the outer polishing station and the inner polishing station, the titanium pipe is subjected to comprehensive pretreatment before blanking and welding, in the extrusion station, extrusion die heads on an outer frame and an inner frame are driven by a reciprocating distance adjusting mechanism to conduct extrusion molding on the two ends of the titanium pipe, and a mounting die groove is machined; and the reverse rotating shaft is used for driving related parts to vibrate the vibration frame.

A drive control system and drive control method for a picosecond laser seed source, belonging to the field of picosecond laser seed sources, includes a temperature sensor that detects a Peltier temperature state signal in real time; a Peltier control and adjustment circuit that adjusts the drive power of the Peltier drive circuit according to the temperature state signal and a target temperature using a PID dynamic adjustment method. The Peltier adjusts the real-time temperature of the seed source to maintain the ambient temperature thereof at the target temperature; the seed source control and adjustment circuit determines whether the temperature state signal meets the seed source operating conditions; and a seed source output feedback circuit that feeds back a drive current signal to the seed source control and adjustment circuit in real time and integrates the target drive current signal and the output drive current signal to control the seed source drive circuit. The present invention achieves that parameters such as the uniformity of the output electric pulse waveform under high-frequency operating conditions are adapted to the use requirements of the laser equipment through precise and real-time dynamic adjustment of the seed source operating environment temperature and setting of the operating delay.

The invention discloses an artificial maturity promoting and fry breeding method for Peltella corii, which comprises the steps of cooling temporary rearing, maturity promoting, mating, spawning, hatching, high-density larva breeding, metamorphosis and the like, male snails and female snails are separately bred during maturity promoting, and a breeding scheme is optimized. According to the technical scheme, batch gonad maturation of parent snails according to plans is achieved, and the maturity is good; high-density breeding technologies such as fertilized egg hatching and larva breeding are overcome, a stable and efficient fry production process is established, a large number of high-quality, healthy and regular-specification young snails are provided for the breeding industry, and the provenance basis of the industry is fundamentally guaranteed.

The invention provides a method for preventing and controlling plant aphids, which comprises the following specific steps: selecting plant germinated seeds with roots and root length of 2-6 cm, and in the growth process of the plant germinated seeds, applying light for 8 hours and photoperiod treatment in a dark cycle mode for 16 hours; in the plant germinated seeds, the seed sources comprise beans and cruciferous vegetables; meanwhile, in the growth process of the germinated seeds of the plants, a boron-containing nutrient solution is prepared from the following components: 4mM of Ca (NO3) 2.4 H2O, 1mM of KH2PO4, 1mM of KCl, 2mM of MgSO4. 7H2O, 0.5 mM of K2SO4, 50mu M of FeSO4. 7H2O, 50mu M of EDTA.Na2, 10mu M of MnCl2, 5mu M of ZnSO4. 7H2O, 0.5 mu M of CuSO4. 5H2O, 1mu M of (NH4) 6Mo7O24. 4H2O, 35-70 mu M of H3BO3 and 0.5 mu M of CoCl2; nutrient elements are applied according to the following steps that (1) a first boron-containing nutrient solution is adopted in 1-5 days, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; and (2) after 6-15 days, adopting a second boron-containing nutrient solution, wherein the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The utility model relates to the technical field of medical equipment, and provides a drying mechanism for sealing a seed source core, which comprises a mounting base, a drying platform, a drying bracket and a driving part, the drying platform is arranged on the mounting base, and a drying station for mounting the reaction tank is arranged on the drying platform; the drying support is fixedly arranged on the mounting base, and a supporting plate body of the drying support is located above the drying platform. And the driving part is arranged on the supporting plate body, a drying head is arranged at the driving end of the driving part, and the drying head can stretch into the reaction tank to conduct drying operation. According to the drying mechanism, the driving component and the drying head are arranged above the drying station in an up-and-down arrangement mode, the drying head is driven to stretch into the reaction tank to achieve drying during drying, the automatic drying mechanism is provided, automatic arrangement can be facilitated, and an effective and reliable scheme is provided for full-automatic preparation and large-scale preparation.

The invention belongs to the technical field of ecological restoration, and particularly relates to a method for rapidly and stably restoring vegetation in a backtillage sand land. The method comprises the following steps that S1, a plurality of straw bags are prepared; s2, grass seeds and sandy soil are mixed; s3, the sandy soil mixed with the grass seeds is put into a grass bag; s4, the filled straw bags are laid on the surface of the sand land to be restored according to set intervals; and S5, grass seeds are sown on the surface of the sand land to be recovered between the laid grass bags. The grass bags serve as sand barriers and planting units at the same time, sand fixation and seed source integration is achieved, the problems that sand land seeds are prone to displacement and the seedling survival rate is low are effectively solved, and the method has the advantages of being rapid in effect taking, durable, stable, low in cost, environmentally friendly and easy to popularize and is particularly suitable for ecological restoration of desertification grassland in arid and semi-arid areas.

The application discloses a terminal paternal white-feathered Anyi Va-Grey chicken breeding method, and relates to the technical field of poultry genetic breeding and reproduction. The application obtains the first paternal stable genetic black-feathered black-bone chicken by crossbreeding of the grey-feathered Anyi Va-Grey chicken and the black-feathered Xuefeng black-bone chicken; the terminal paternal stable genetic white-feathered black-bone chicken is obtained by crossbreeding of the grey-white-feathered Anyi Va-Grey chicken and the white-feathered Xuefeng black-bone chicken; the F1 hybrid hens obtained by crossbreeding of the first paternal chicken and other mature line hens are crossbred with the terminal paternal chicken to obtain the commercial generation Va-Grey chicken. The application completely solves the problem of seed source loss caused by the original seed supply of the Anyi Va-Grey chicken, and solves the problems of poor stress resistance, poor meat quality and easy reverse research and development of the simple binary hybrid. The mature line is used to improve the growth speed and the reproductive performance, the demand of variety protection and industrialization is considered, the matching mode is difficult to be reverse imitated, and reliable technical support is provided for industrial standardization.

The utility model relates to the field of agricultural biotechnology discloses a kind of root tip material taking positioner for seed source purification, including machine body, the inside right end of machine body is fixedly connected with fixed mechanism, the fixed mechanism is used to be fixed to different size culture dish, the inside top of machine body is equipped with moving mechanism, the moving mechanism is used to take material to root source;The fixed mechanism includes fixed half ring, the fixed half ring is fixedly connected in the inside right end of machine body, the right side of fixed half ring is equipped with moving half ring, the bottom of machine body is equipped with sliding slot. In the utility model, support frame is fixed in machine body, and it supports double rack movement, drives moving half ring to slide in the sliding slot of the bottom of machine body, fixed half ring is fixed in machine body, and the cooperation of both realizes the fixation of different size culture dish, and effectively fixes the culture dish containing Chinese medicinal material root source.

The application discloses a guayule propagation culture medium and a tissue culture rapid propagation method thereof, and belongs to the technical field of tissue culture, and the culture medium comprises MS+0.07 mg / L 6-BA+1 g / L activated carbon+2 g / L agar. The method comprises the following steps: primary induction culture: stem segment explants are induced into seedlings; propagation culture: tissue culture seedlings obtained through the primary culture are selected, stems of axillary buds are taken, and subculture propagation culture is carried out to obtain multiple shoots; rooting culture: the multiple shoots are cultured to obtain rooted tissue culture seedlings; and transplanting: the rooted tissue culture seedlings are transplanted to obtain seedlings. The application can solve the technical problems that the subculture propagation process is extremely easy to vitrify and the propagation coefficient is low, can solve the problems that the excellent seed source of guayule is stable in property and rapid propagation, and realizes large-scale production of high-quality and non-toxic guayule seedlings.

This invention discloses a cultivation method to improve the propagation efficiency of Rhodiola rosea, relating to the fields of plant cultivation and seed propagation technology. The cultivation method includes: (1) Seedling stage: after being treated with hormones, the seeds are sown in a light substrate and cultivated for 6-12 months to obtain strong seedlings; (2) Hydroponic transplanting and flowering induction stage: the strong seedlings are transplanted to a hydroponic system, and photoperiodic induction is performed using an artificial light source with a red-blue spectrum ratio of 1:1, combined with the phased adjustment of nutrient solution and the spraying of exogenous hormones to synergistically induce reproductive growth; (3) Pollination and seed collection stage: the seeds are collected after assisted pollination. This invention shortens the seed-to-seed cycle of Rhodiola rosea from the traditional 6 years or more to 2-3 years through multi-factor synergistic regulation, significantly improving the flowering rate and seed yield per plant, increasing the propagation efficiency by more than 99%, and is applicable to different ecotype seed sources, with the advantages of strong operability and good universality.

The invention discloses a breeding method for a commercial line of tile grey chickens with a terminal paternal line being white feather, and relates to the technical field of poultry genetic breeding and propagation. The method comprises the following steps: hybridizing and breeding gray-feather Anyi tile gray chickens and spotted-feather snow-peak black-bone chickens to obtain spotted-feather black-bone chickens with genetic stability as a first paternal line; the white feather black-bone chicken with genetic stability is obtained through hybridization breeding of the gray-white feather Anyi tile grey chicken and the white feather Xuefeng black-bone chicken and serves as a terminal paternal line; hybridizing the first paternal line with hens of other mature lines to obtain F1-generation hybrid hens, and hybridizing the F1-generation hybrid hens with the terminal paternal line to obtain commercial-generation grey chickens. The method thoroughly solves the problem of provenance loss caused by feeding of the Anyi tile grey chicken stock, and the problems of poor stress resistance, poor meat quality and easiness in reverse research and development caused by simple binary miscellaneous trading. The growth speed and reproductive performance are improved by utilizing mature strains, the variety protection and industrialization requirements are considered, the matching mode is difficult to reversely simulate, and reliable technical support is provided for industrial standardization.

The embodiment of the application provides a sealed seed source automatic sorting system and device, and belongs to the technical field of seed source sorting; the method comprises a double-channel feeding module, which is used for synchronous vibration sorting and directional conveying of double-specification seed sources; a single-seed source separation feeding module, which is used for controlling the alternate capture of double-specification seed sources and the airflow injection type output of the seed sources through switching of a dynamic station; an activity detection module, which is used for measuring the activity of the seed sources through flow direction control of a Y-shaped inlet connector and a detection tube retention mechanism; and a discharging automatic packaging module, which is used for releasing the seed sources of the target activity interval through the positioning of a seed source collection bottle and a filling guide pipe of a rotating placement disc, and collecting the seed sources in batches according to the activity. Through the double-channel parallel feeding mechanism, the embodiment realizes the synchronous processing and dynamic adaptation of seed sources of different specifications, and significantly improves the overall productivity. The box design is combined with the automatic packaging process, and the safety of the working environment is effectively ensured.

This invention relates to the field of artificial breeding technology for natural enemy insects, and in particular to a method for the artificial breeding of the assassin bug *Triplophysa pulcherrima*. The invention employs steps including seed source collection and screening, rearing environment control, feed supply and management, mating and reproduction management, oviposition and egg mass collection, nymph hatching and age-differentiated rearing, overwintering management, and cannibalism control. By providing specialized rearing management devices, temperature and humidity conditions, standardized feed feeding, age-differentiated rearing density control, and moisture-controlled egg mass hatching, it solves the problems of high mortality rates among young nymphs, unstable mating success rates, low egg mass hatching rates, and the lack of a year-round breeding system in existing technologies. The method of this invention is simple to operate, has a high survival rate (nymphal survival rate exceeding 85%), an egg mass hatching rate exceeding 90%, and can achieve 4-5 generations per year, enabling large-scale, year-round production of *Triplophysa pulcherrima*, providing high-quality natural enemy resources for the biological control of agricultural and forestry pests.

The utility model discloses a seed source heat radiation housing for an optical fiber laser and a seed source, and relates to the technical field of optical fiber lasers, the seed source heat radiation housing comprises a housing and a cover plate, the cover plate sleeves the outer side of the housing from one side of the housing; a turbofan hole is formed in the back surface of the shell and is used for accelerating convection during heat dissipation of a fan and improving the heat dissipation efficiency; first through U-shaped heat dissipation holes are formed in the peripheral side of the shell and used for increasing air convection with the outside and improving the heat dissipation performance. According to the utility model, the turbine fan hole on the back surface of the shell corresponds to the cooling fan arranged in the shell, so that active heat dissipation is realized, and air convection is accelerated; meanwhile, a plurality of first U-shaped heat dissipation holes are formed in the periphery, so that convection is further improved, the heat dissipation performance of the seed source shell structure is effectively improved, and the stability of the seed source and an optical module in the seed source can be guaranteed.

The application relates to the field of agricultural ecological engineering and water and soil conservation technologies, in particular to a biological crust soil-fixing and water-retaining composition for citrus orchards and a soil-fixing and water-retaining method and application thereof. The biological crust soil-fixing and water-retaining composition for citrus orchards comprises a biological crust seed source, a soil adhesive and a growth auxiliary agent; the biological crust seed source comprises an alga seed source and a moss seed source. The biological crust soil-fixing and water-retaining composition for citrus orchards constructs a biological crust by using algae and moss, forms a film rapidly through artificial induction, solves the problem of bare land soil erosion, does not compete with fruit trees for fertilizer and light, and is suitable for citrus orchards in different growth periods.

The invention provides a sealed seed source automatic sorting device, and relates to the technical field of seed source sorting, the sealed seed source automatic sorting device comprises a box body, a control panel and a label printer, the box body is internally provided with a double-channel feeding assembly, a single seed source separation feeding assembly, an activity detection assembly and a discharging automatic subpackaging assembly, the single seed source separating and feeding assembly comprises a mounting frame with a fan-shaped cavity and a switching plate which is rotationally arranged in the fan-shaped cavity in a sealing manner, and an air blowing pipe and an output air pipe are coaxially arranged on the two sides of the mounting frame; the activity detection assembly comprises a detector, a Y-shaped inlet connecting pipe, a bracket and a detection pipe, wherein the bracket and the detection pipe are coaxially arranged in the detector. By arranging the double-channel feeding assembly, seed sources with different specifications of 0.6 mm and 0.8 mm can be separately fed at the same time, station switching of a switching plate is combined, dynamic adaptation of single equipment to the seed sources with multiple specifications is achieved, parallel processing of receiving and discharging of the double-specification seed sources is achieved, waiting time consumption caused by sequential operation of traditional equipment is thoroughly eliminated, and the working efficiency is improved. And the equipment productivity is effectively improved.

The invention provides a molecular diagnosis method for avian leukosis virus and Marek's disease virus mixed infection. The molecular diagnosis method comprises the following steps: (S01) collecting diseased material tissues; (S02) carrying out nucleic acid extraction on the sick material tissue of the sick chicken; (S03) detecting the nucleic acid by using specific primers of avian leukosis and Marek's disease; (S04) preparing a PCR (Polymerase Chain Reaction) detection system, and respectively adding ALV-env gene amplification primers and MDV-meq gene amplification primers for gene amplification; (S05) carrying out 1% agarose gel electrophoresis detection on the amplification product in the step (4), and carrying out sequence determination after determining a target band; (S06) carrying out BLAST comparison on the sequences obtained by sequencing, carrying out gene sequence analysis and drawing an evolutionary tree; and (S07) determining the virus type according to the homology and the evolutionary branches, so as to realize rapid diagnosis of ALV and MDV mixed infection, strain characteristic analysis and exclusion of other similar epidemic diseases, and provide technical support for accurate prevention and control of AL and MD in the poultry industry, provenance purification and epidemiological investigation.

This invention discloses an ecological and biomimetic full-cycle breeding method for blind leafcutter ants, comprising the following steps: First, collecting wild ant eggs (blind leafcutter ant) ​​from mating female and male ant colonies; Second, obtaining high-quality new female and male queen ants from the ant eggs (blind leafcutter ant); Third, inducing the female and male queen ants (blind leafcutter ant) ​​to aestivate in batches; Fourth, inducing the female and male queen ants to lay eggs and cultivating primary ant colonies in batches; Fifth, cultivating and managing the primary ant colonies in the wild ecological environment to become economic ant colonies; Sixth, collecting high-quality ant eggs (first-level ant eggs) multiple times; Seventh, selecting high-quality and strong ant eggs (blind leafcutter ant) ​​to reserve seed populations. Based on in-depth research on the life history and biological learning behavior of blind leafcutter ants, this invention establishes for the first time a complete technical system from seed source collection, new queen ant acquisition, new queen ant aestivation, primary ant colony cultivation, wild breeding to economic ant colony harvesting, and selection of breeding ant colonies, filling a technological gap in this field.