817results about "Seed immunisation" patented technology

The invention discloses a cultivation method for rapid vernalization of winter wheat to accelerate annual iteration, and belongs to the technical field of plant growth regulation and control. The cultivation method comprises the following steps of disinfection and germination, low-temperature vernalization, transplanting and cultivation, and drying and harvesting. The method has the beneficial effects that compared with other current wheat growth acceleration methods, the technical process and the required environment of each stage are simple, and the (semi) winter wheat breeding efficiency is greatly improved. The temperature or photoperiod does not need to be repeatedly adjusted, and vernalization can be performed by adopting short photoperiod / low illumination intensity, so that energy is saved, and the method is environment-friendly and suitable for large-scale popularization. The cultivation method is green, efficient, low in power consumption, low in requirement for environment equipment and simple and convenient. The method is suitable for being used in large-scale plant factories, and meanwhile, a method for rapid vernalization of winter wheat to accelerate annual accelerated iteration of wheat is provided for scientific research institutions, enterprises and public institutions with limited conditions.

The invention discloses a rapid breeding method for grafted seedlings of durian, and relates to the technical field of durian culture. The efficient breeding of the durian grafted seedlings is realized through the measures of seedbed building, disinfection, germination acceleration, laser separation planting, matrix nutrition bag component optimization, environment monitoring by a sensor, breeding parameter optimization by combining a random forest model and a genetic algorithm and the like. According to the method, the breeding period is shortened, the survival rate and the growth speed of the grafted seedlings are increased, a large number of high-quality grafted seedlings are provided for durian farmers, and the durian cultivation efficiency is remarkably improved.

The invention discloses a cultivation method for promoting rapid growth and development of spring wheat, and belongs to the technical field of wheat breeding and cultivation. The cultivation method comprises the following steps: 1, seed pretreatment; 2, field planting and soil culture: transplanting wheat seeds with white buds into a seedling culture hole tray, transferring the seedling culture hole tray into a culture room with a long photoperiod, culturing until the wheat seeds are mature, and harvesting; lED light is adopted in the culture room for illumination; the LED light is blue light, white light or a mixture of red light and blue light according to a light quantum ratio of 3: 1. The method has the beneficial effects that the condition combination of regulating and controlling the light period, the light quality and the light intensity is provided. Through the combination of fixed and widely applicable illumination conditions, the method significantly shortens the growth cycle of the spring wheat. The method has the beneficial effects that the time from seed germination to mature harvesting of the spring wheat is generally 50-60 days, so that 6-7 generations of spring wheat can be harvested in one year. The wheat growth cycle is shortened, the breeding efficiency is remarkably improved, and a solid technical foundation is laid for improvement and cultivation of chassis varieties.

The invention provides a saline-alkali soil dry sowing pressing sowing yield increasing method, and belongs to the technical field of agricultural planting, and the method comprises the following steps: S1, seed treatment; s2, land consolidation; s3, sowing the seeds; and S4, pressing. According to the dry sowing, pressing and sowing yield increasing method for the saline-alkali soil, all links including seed treatment, land consolidation, sowing, pressing and the like are finely designed and optimally combined, special soil conditions and crop growth requirements of the saline-alkali soil are fully considered, and the germination rate of seeds, the survival rate of seedlings and the yield of crops can be remarkably increased; an efficient and feasible technical scheme is provided for agricultural development and utilization of the saline-alkali soil, and the method has wide application prospects and popularization value.

The invention discloses a seed priming method for improving early-stage disease resistance of pepper seeds, which belongs to the field of agricultural planting and comprises the following steps: S1, pre-cleaning: soaking the seeds with sodium hypochlorite and then cleaning the seeds with sterile deionized water; s2, pulse phosphorylation activation treatment: adding seeds and an activation solution into a pressure-resistant polypropylene container connected with a vacuum pipeline, sealing, vacuumizing to-0.08 MPa, maintaining for 5-10 minutes, then recovering to normal pressure, transferring to a constant-temperature oscillator, and carrying out phosphorylation activation treatment; s3, immune training treatment: transferring the seeds subjected to phosphorylation activation treatment to an initiation solution containing UV-inactivated phytophthora capsici spore suspension and H2O2, and carrying out intermittent ventilation treatment; s4, stabilizing treatment: transferring the seeds subjected to immune training treatment into an ascorbic acid solution for treatment, filtering, and drying in the shade to obtain the pepper seeds. According to the invention, the problem of immune response interruption caused by insufficient signal intensity and fast protein turnover when a simulated environment is used for excitation in the prior art is solved.

The invention provides a method for screening drought-enduring germplasm resources of macadamia nuts, and belongs to the technical field of plant germplasm resource screening. The screening method comprises the following steps: (1) sowing disinfected macadimia nut seeds into a seedling raising tray, and raising seedlings to obtain seedlings; (2) transplanting the seedlings obtained in the step (1) into a nutrient medium, and performing drought stress culture to obtain pretreated seedlings; and (3) determining drought tolerance indexes in the pretreated seedlings obtained in the step (2), and screening to obtain the macadimia nut drought-tolerant germplasm resources. According to the screening method provided by the invention, macadamia nut germplasm resources with relatively strong drought tolerance can be rapidly screened out, and powerful support is provided for cultivation of drought-tolerant varieties.

A device and method for delivering biological material and / or synthetic chemistries to a liquid medium comprising securing a capsule to an opening of a container, the capsule comprising a cap portion for securing the capsule to the container and an elongate portion comprising a cavity defined by a frangible bottom, wherein the cavity comprises live biological material therein and a plunger comprising a disrupting mechanism, suspending the elongate portion of the capsule into an interior cavity of the container, depressing the plunger, cutting or disrupting the frangible bottom of the capsule, and releasing the material into the liquid medium.

The invention discloses a cultivation method for accelerating wheat cycle iteration, and belongs to the technical field of wheat cultivation. The method comprises the following steps: (1) seed disinfection: performing disinfection treatment on wheat seeds, and culturing in a dark place until the seeds are white, (2) vernalization: performing illumination treatment on winter wheat at 4-13 DEG C; and (3) planting operation: transplanting the treated wheat seeds into a seedling tray, culturing under the combination of illumination intensity of 100-400 [mu] mol m <-2 > s <-1 >, white spectrum and photoperiod of 12-24 h light / 12-0 h dark until the wheat seeds are mature, and harvesting. The method has the beneficial effects that the TOPSIS method is utilized to comprehensively score and sort different light intensity and light period combination conditions so as to determine the optimal illumination condition combination. By the adoption of the optimization method, the growth cycle of wheat can be remarkably shortened, screening and cultivation of germplasm resources are accelerated, the iteration efficiency and germination rate of generations are effectively improved, technical support is provided for rapid breeding of good varieties, and the optimization method has good application prospects.

The invention provides an initiation solution for promoting germination and growth of stylosanthes guianensis seeds under saline-alkali stress. The initiation solution comprises nano-zinc oxide particles, compared with the prior art, the method has the advantages that the Zinc oxide nanoparticle solution is used for treating the stylosanthes guianensis seeds, and then the seeds are dried, so that the germination rate and germination potential of the stylosanthes guianensis seeds under saline-alkali stress are remarkably improved, the salt tolerance of the stylosanthes guianensis is remarkably enhanced, and the stylosanthes guianensis shows efficient and rapid saline-alkali relieving capacity. And a seed priming technology is adopted, so that the process of cultivating stylosanthes guianensis in a saline-alkali environment is greatly shortened.

The invention provides a planting mode of sweet corn capable of being eaten unripe, and relates to the technical field of sweet corn planting, and the planting mode comprises the following planting steps: step 1, planting environment selection, step 2, seed selection, step 3, fertilizer application, step 4, pest control, and step 5, field management. The method comprises the following steps: 1, selecting a planting environment: selecting a soil condition and a water source condition; step 2, seed selection, including variety selection and seed disinfection; step 3, fertilizer application: application of an organic fertilizer, application of a microbial fertilizer, nutrition regulation and control and application of a fertilizer additive; 4, disease and pest control including physical control, chemical control and biological control; 5, field management includes rational close planting, intertillage weeding and timely irrigation and drainage. The invention has the advantages of reducing the intake of harmful substances, ensuring the body health of eaters, reducing the pollution to soil, water sources and air, protecting the ecological environment, utilizing advanced means and improving the resource utilization rate.

The invention discloses a grass planting method under a grazing-light complementary grassland slope photovoltaic module, relates to the technical field of photovoltaic power generation and ecological restoration, and aims to solve the problem that in the prior art, normal growth of grass seeds in the area is difficult to guarantee by common spray-seeding density. The method comprises the following steps: S1, pretreating a side slope, cleaning sundries on the side slope below a photovoltaic module mounting area, and digging steps in an area with the gradient being greater than 30 degrees, so that the distance between the step layout and a photovoltaic module array is kept at a safe distance of 0.5-1m; s2, soil improvement: soil shielded by the photovoltaic module is detected, lime is added into the detected acid soil to adjust the PH value to 6.5-7.5, and when 10-15 kg of decomposed cattle and sheep manure is mixed in each square meter, the range of 50 cm of a module foundation embedded part needs to be avoided; s3, grass seed selection and treatment, wherein grass seeds with the proper shade-tolerant adaptation degree are selected. The method has the advantages that the problem that the germination rate of grass seeds is low in a weak light environment is solved, and the slope vegetation coverage rate is effectively guaranteed.

The invention belongs to the technical field of plant allelopathy, and particularly relates to application of bean root exudates in allelopathy of hydroponic barley grass. On the basis of a hydroponic barley grass technology, a hydroponic wheat-bean mixed planting mode is created for the first time, allelopathy effects between different bean root exudates and hydroponic barley grass are mined and analyzed by surrounding bean root exudates and utilizing the allelopathy effects among organisms, specific responses of hydroponic barley grass to the bean root exudates in physiological and biochemical indexes are determined, and the method has a good application prospect. And identifying the physicochemical property change of the hydroponic barley grass. A novel method is provided for a novel efficient, safe and environment-friendly bacteriostatic mode of the hydroponic barley grass, a theoretical basis and an improvement direction are provided for developing a novel biological bacteriostatic agent and a hydroponic barley grass planting facility, and a hydroponic wheat and bean mixed planting mode is further promoted to become a planting technology for effectively improving green feed nutrition.

The invention discloses a production method of hybrid rice seeds, and belongs to the field of agricultural breeding. According to the method, high-purity hybrid seeds are produced through the technical means of excellent female parent reproductive line cultivation, reproductive line reproduction, preliminary fluorescent sorting, further fine seed screening, artificial seed shell adding, hybrid seed production and the like. According to the method, the technical problem that the sorting effect and the seed purity of colorless seeds and colored fluorescent seeds are influenced due to the fact that the precision of a color sorting technology cannot reach 100% due to difference or abnormal development of maturity of reproductive line seeds of a common nuclear male sterile line can be solved, and sterile line seeds meeting the market standard are obtained.

The invention discloses an intensive, green and efficient ginger cultivation method. A mode of interplanting ginger and corn is adopted. The method comprises the following steps of (1) interplanting variety selection, (2) ginger seed and corn seedling treatment, (3) land selection, land preparation and sowing, and (4) topdressing and pest control. The corn and the ginger which grow robustly and are free of diseases and pests are selected for interplanting, the ginger root system is shallow, the seedling stage is shade-tolerant, and the corn is a gramineous high-stalk and high-photosynthetic-efficiency crop. The water and fertilizer integration technology is adopted during intercropping of the two crops, the land utilization efficiency is improved, natural resources such as light energy are fully utilized, favorable conditions are provided for vigorous growth of the ginger, and economic benefits are improved.

The invention discloses an ecological cultivation method for preventing pepper phytophthora blight, which comprises the following steps: step 1, soaking pepper seeds in warm water at 40-50 DEG C for 10-30 minutes, soaking for a short time to achieve the effect of softening seed coats, soaking the pepper seeds in normal-temperature water at 20-25 DEG C for 4-8 hours after soaking in warm water to ensure that the seeds absorb sufficient water, and then soaking the pepper seeds in the warm water for 10-30 minutes; soaking the chilli seeds after absorbing water in a disinfectant, thoroughly washing the seeds with clear water for 2-3 times after soaking and disinfection, and taking out the residual disinfectant; according to the ecological cultivation method for preventing pepper phytophthora blight, the disease resistance is remarkably improved through seed multi-stage treatment (gradient water temperature soaking, composite disinfection and three-bacterium coating), and the pathogen infection risk is reduced by combining seedling culture substrate bacteriostasis and a degradable non-woven fabric root protection technology; the comprehensive income is improved through application of the degradable material and basil intercropping, and finally the occurrence rate of pepper phytophthora blight is reduced.

The invention relates to a methane emission reduction effect technology of biochar in rice-free and rice-containing waterlogged soil. The specific preparation steps of the biochar are as follows: (1) harvesting corn straws; (2) firing the corn straws in the step (1) at 500 DEG C to obtain biochar; and (3) grinding and sieving the biochar in the step (2) to obtain 80-100-mesh corn straw biochar. Before the rice seeds are sown, after the corn straw biochar in different proportions in the step (3) is applied to the land, ploughing and uniform mixing are conducted, and after the rice seeds are sown, the rice seeds grow naturally to determine the optimal carbon sequestration proportion of the biochar. Results show that the rice-free group and the rice group to which 2% of the biochar is applied can well fix the carbon carried by the biochar in the soil, and the accumulated methane emission in the flooded soil can also be remarkably reduced. Scientific basis is provided for straw resource utilization, and the method has very important significance on green and sustainable agricultural development applying the biochar.

The utility model relates to the field of wheat seed coating, and discloses a wheat seed coating device which comprises a coating barrel, a sliding cover plate is arranged above the coating barrel in a sliding manner, a fixed folded plate is fixed on the top surface of the sliding cover plate, a rotating hole is formed in the top surface of the sliding cover plate, a rotating shaft is rotatably inserted into the rotating hole, and a rotating shaft is arranged on the rotating shaft. A plurality of positioning plates are fixed on the surface of the rotating shaft, a plurality of stirring arc plates are fixed between the positioning plates in each group, a driven gear is fixed at the top end of the rotating shaft, a driving motor is fixed on the top surface of the fixed folded plate, and a driving gear is rotationally arranged on the top surface of the sliding cover plate. According to the utility model, the circumference of the driven gear is also larger than that of the driving gear, so that the rotating speed of the rotating shaft during rotation can be reduced, the rotating speeds of the positioning plate and the stirring arc plate during stirring of medicines and wheat seeds are further reduced, and coated wheat seeds are prevented from being crushed by the too fast positioning plate and stirring arc plate; the safety of the wheat seeds during coating is improved.

The invention provides a microbial agent as well as a preparation method and application thereof. The microbial agent comprises an artificial strain, namely a bacillus velezensis P43-DegQ strain, which is obtained by carrying out genetic engineering oriented modification on bacillus velezensis XY40-1 serving as an engineering bacterium. The method comprises the following steps: replacing an original promoter of a DegQ gene in bacillus velezensis XY40-1 with a P43 promoter, connecting the DegQ gene in the XY40-1 with a PBE-P43 vector to construct a P43-DegQ recombinant expression vector, and introducing the P43-DegQ recombinant expression vector into the bacillus velezensis to obtain a bacillus velezensis P43-DegQ strain. According to the invention, the yield of the bacillus velezensis abinogen is improved through genetic engineering oriented modification, so that the microbial control effect of a microbial agent containing the strain is improved. A resonance biopesticide suspending agent and a resonance microbial seed coating agent prepared from the microbial agent are subjected to resonance treatment, the effects of plant epidemic disease prevention and control and seed germination are greatly improved compared with the prior art, and the microbial agent has a very strong application prospect.

The invention discloses a treatment method for improving germination and saline-alkaline tolerance of gordon euryale seeds, and belongs to the field of aquatic plant breeding and planting, the gordon euryale seeds subjected to disinfection treatment are mixed with fine sand, then the sand-buried seeds are put into a breathable woven bag to be stored, and the storage temperature is 4 + / -2 DEG C. According to the storage method for improving germination and saline-alkaline tolerance of the gordon euryale seeds, provided by the invention, the maturity of the seeds can be ensured by controlling the collection time and color; a water separation method is adopted to ensure the quality of mature seeds; potassium permanganate is adopted for disinfection to ensure that the seeds do not mildew; low-temperature sand storage is adopted to ensure seed quality and break dormancy; and the germination rate and the germination potential are further improved by a variable-temperature germination promoting technology after storage. The method provided by the invention is simple to operate, and can be flexibly implemented according to design parameters in combination with actual facility conditions so as to improve the germination and saline-alkaline tolerance of the gordon euryale seeds.

The invention discloses a target segment and double-stranded RNA for preventing and controlling propagation of tomato brown crinkled fruit virus through tomato seeds and application of the target segment and the double-stranded RNA. Wherein the nucleotide sequence of the target segment is as shown in SEQ ID NO.3, or a sequence which is as shown in SEQ ID NO.3, has at least 90% of homology and has coded amino acid as shown in SEQ ID NO.4 is substituted. The invention further discloses double-stranded RNA of the target interference target section, the double-stranded RNA is used for single isolation treatment or batch treatment of germinated tomato seeds, and the infection rate of the tomato brown crinkled fruit virus on germinated tomato seedlings can be effectively reduced under the condition that the germination rate of the tomato seeds is not affected. The method for preventing and controlling propagation of the tomato brown crinkled fruit virus through the tomato seeds by using the double-stranded RNA is safe and harmless, and has a good application prospect.

The utility model relates to the technical field of rice planting, in particular to a germination accelerating device for rice planting, which comprises a germination accelerating cylinder body, the output end of a speed regulating motor penetrates through a support frame and is fixedly connected with a stirring assembly shaft, and a seed selection temperature control component is arranged inside and outside the germination accelerating cylinder body and the stirring assembly shaft; the seed selection temperature control assembly comprises a seed selection sleeve groove fixedly installed on the outer wall of the top end of the germination accelerating cylinder body, and a screen is detachably installed on the inner wall of the seed selection sleeve groove and the outer wall of the top end of the germination accelerating cylinder body. According to the seed germination accelerating device, water in the germination accelerating cylinder body can rotate and flow through stirring and impact of drainage, so that abortive grains, semi-abortive grains and smut grains in seeds can be fully suspended and move into the seed selection sleeve groove under the action of rotating centrifugal force, the abortive grains, the semi-abortive grains and the smut grains which float upwards in the seed selection sleeve groove can be fished up, and the seeds are prevented from being damaged. Some diseases are prevented from being transmitted to good seeds, so that the seed selection effect is achieved, and the germination rate of the seeds is guaranteed.

The invention discloses a method for creating new dwarf tomato germplasm by EMS mutagenesis, which comprises the following steps: selecting new dwarf tomato seeds with full grains and no damage, soaking in 84 disinfectant fluid with the ratio of 1: 1, and washing with tap water for 5 times; the dwarf tomato seeds in the step (S1) are soaked in an EMS-phosphoric acid buffer solution with the concentration being 0.4%-2% and subjected to vibration treatment in a dark place for 6-36 h; detoxicating the mutagenized seeds in the step (S2), pouring out an EMS solution, washing twice with an antidote, and washing with tap water for 2 hours; (S3) accelerating germination of the detoxified seeds in the step (S3), accelerating germination in a dark incubator, picking out the germinated seeds for planting, and observing and counting mutagenesis effects; and (S4) sowing the seeds collected in the step (S4) in the whole growth period. The EMS mutagenesis is high in point mutation frequency and relatively less in chromosome distortion, and the method has the advantages that the operation is simple and convenient, the breeding period is short, and new genes and new characters which are difficult to generate by a traditional breeding method can be generated.

The invention provides a comprehensive prevention and control method for a rice kernel smut disease. The method comprises the steps of seed treatment, crop rotation and deep ploughing, scientific fertilization and irrigation, rational close planting and flowering phase management, field disease monitoring and early warning, biological prevention and control, diseased plant treatment and the like. Seeds are selected by saline water and treated by various disinfectants, so that the health of the seeds is ensured; crop rotation for more than two years and deep ploughing and field drying in winter are performed to reduce accumulation of pathogenic bacteria; reasonable fertilization is performed according to a soil fertility detection result, field humidity is controlled, and diseases are reduced; the planting density and flowering period management are optimized, and the seed production success rate is increased; disease risks are monitored in real time through a disease and pest monitoring and early warning system, the disease trend is predicted through big data analysis and an artificial intelligence algorithm, and early warning information is issued in time; a beneficial microbial community is formed in the field by using a biocontrol inoculant, and growth of pathogenic bacteria is inhibited; diseased plants are removed at fixed points through a small agricultural machine, and disease diffusion is prevented.

The invention relates to the technical field of seedling raising, and discloses a camellia oleifera grafting seedling raising device and method.The device comprises a support, annular frames are arranged in the support at equal intervals, seedling raising bags are arranged in the annular frames, and an arrangement assembly used for driving the annular frames to be arranged in a stepped mode is arranged on the support. According to the seedling raising bag cleaning device, when weeds in the seedling raising bags are cleaned, the heights of the seedling raising bags are sequentially reduced from left to right, the seedling raising bags are arranged in a step shape, seedlings in the adjacent seedling raising bags are not staggered, the situation that the seedlings and the weeds in the adjacent seedling raising bags interfere with each other during subsequent weed cleaning is avoided, cleaning operation is more convenient, and the seedling raising efficiency is improved. And the bottoms of the seedling raising bags can be supported while the seedling raising bags are arranged, so that the situation that the bottoms of the seedling raising bags are broken by falling cannot occur during subsequent weed cleaning, and weed cleaning can be better performed.

The invention relates to a method for creating and identifying excellent drought-enduring germplasm of macadamia nuts. The method comprises the following steps: (1) selecting seeds; (2) seed soaking treatment; (3) chemical mutagenesis; (4) performing ray irradiation mutagenesis; (5) raising seedlings; (6) culturing in a culture medium; (7) identifying selected products; more germplasm with various shapes can be obtained under the combination of chemical mutagenesis and low, high and medium three-level ray irradiation mutagenesis, and then a germplasm culture medium is optimized so as to identify and screen excellent drought-resistant macadamia germplasm; the first culture medium is optimized, meanwhile, the temperature and the impermeability of the culture medium are controlled, and macadimia nut germplasm with the better drought resisting effect can be preferably screened out; the second culture medium is optimized, then small molecule active substances are added, meanwhile, parameters such as impermeability of the culture medium are controlled, macadamia nut germplasm with the better drought resistance effect is further screened out, macadamia nut seedling root growth can be effectively promoted, and the drought resistance of macadamia nut seedlings can be conveniently calculated according to the rooting amount of seedling root systems.

The invention discloses an intelligent seedling culture device and method suitable for garden planting, and relates to the technical field of seed and seedling culture. The intelligent seedling raising device and method suitable for garden planting comprise a material uniformizing plate, a plurality of sliding ways are formed in the top of the material uniformizing plate in a penetrating mode, the inner wall of each sliding way is slidably connected with a moving plate, a surrounding groove and strip-shaped grooves are formed in the bottom of the material uniformizing plate, a plurality of strip-shaped plates are connected to the side face of a surrounding frame at equal intervals, and the material uniformizing plate is connected with a square plate in an inserted mode; corner plates are connected to the four corners of the square plate, and the corner plates are used for fixing the first cloth towel and the second cloth towel. According to the intelligent seedling raising device and method suitable for garden planting, seeds are screened through buoyancy, the soaked and disinfected seeds fall onto a rotatable material uniformizing plate, the seeds are evenly distributed in a placement cavity with the height capable of being changed, the material uniformizing plate in the horizontal state is pushed into a square plate, the square plate is wrapped by two pieces of flat cloth towels, and the seeds are evenly distributed in the placement cavity. And the connection work among the seed germination accelerating steps is automatically completed.

The utility model discloses a seed disinfection device, wherein a debris removal mechanism comprises two baffles fixedly connected to one side of the top of a machine body, a first screw rod is rotatably connected between the two baffles, an outer wall of the first screw rod is threadedly connected to a first movable seat, one side of the first movable seat is fixedly connected to a first connecting rod, a scoop net is hinged on the bottom of the first connecting rod, one side of one baffle is fixedly connected to a first motor, one end of the first screw rod passes through one side of the baffle and is fixedly connected to an output end of the first motor, according to the utility model, when seeds are put into the interior of a disinfection pool, damaged seeds inside the seeds will float therewith, and then the scoop net on the top of the disinfection pool can be driven by the first motor to gather and salvage the seeds floating on the top, without the need for manual salvage by staff, which reduces the work intensity of staff and improves the survival rate of seeds when used later.

The invention relates to the technical field of seed pretreatment equipment, and provides a transmission type seed vigor pretreatment system and method. The transmission type seed vigor pretreatment system comprises a mounting table, a controller, a purification device, an arrangement device, a germination accelerating device and a transfer device, the purification device, the arrangement device, the germination accelerating device and the transfer device are arranged on the mounting table, the arrangement device comprises a seed placing disc and a conveying assembly, the seed placing disc is rotatably connected to the mounting table and provided with a containing groove, and the conveying assembly is arranged between the purification device and the seed placing disc; the purified seeds are conveyed to the accommodating tank; the transferring device is used for clamping the seed placing disc and transferring the seed placing disc to the germination accelerating device; the purification device, the arrangement device, the transfer device and the germination accelerating device are electrically connected with the controller. According to the invention, automatic operation of seed pretreatment can be realized, manpower and material resources are saved, seed pollution is avoided, later seed germination is facilitated, and abnormal detection of various indexes of seeds is avoided.

The invention discloses a phosphorus-efficient choerospondias axillaris family breeding method, and relates to the technical field of agricultural breeding, and the method comprises the following steps: step S4, index calculation, and according to the above data, selecting the choerospondias axillaris family; calculating the root-crown ratio, the total phosphorus utilization efficiency, the low-phosphorus stress resistance coefficient of each index, the membership function value of the comprehensive index, the weight of each comprehensive index, the comprehensive value of the low-phosphorus resistance efficiency, and the comprehensive value of the phosphorus efficiency under different phosphorus supply conditions; and S5, screening low-phosphorus-resistant identification key indexes, performing stepwise regression analysis by taking the low-phosphorus-resistant efficiency comprehensive evaluation value as a dependent variable and the low-phosphorus-resistant stress coefficient of the measured index as an independent variable to obtain a multiple regression equation, and screening out the low-phosphorus-resistant identification index of the choerospondias axillaris. The problems of long time consumption, large workload, no breeding system and the like of the traditional breeding method are solved. According to the method, the choerospondias axillaris families which are resistant to low phosphorus and efficient in phosphorus and aim at the problem that phosphorus in soil is generally lacked are screened out preferentially, existing germplasm resources are sequenced according to screening targets, optimal germplasm resources are screened out, and the target range is narrowed.

The invention discloses a germination accelerating method for improving the germination rate of bottle gourds, which comprises the following steps: seed selection, seed drying treatment, warm soup disinfection, seed soaking and germination accelerating management: putting seeds into a germination accelerating box, reserving a small opening of 3-4cm in the top of the box, taking out the seeds every 8 hours, soaking the seeds into warm water, and gently scrubbing the seeds until the seeds are white. According to the germination accelerating method for improving the bottle gourd germination rate, the germination accelerating time is remarkably shortened, the germination accelerating time is stably controlled to be 50-65 hours when 70-90 hours are needed in the traditional method, the time is saved by about 20%-40%, the sowing time is seized in advance, the growth cycle is prolonged, and the bottle gourds can come into the market to obtain the price advantage or accumulate more photosynthetic products to improve the yield. Through seed drying and fine temperature and humidity management and control, the synchronism of the seed germination process is high, the germination interval is shortened to be within several hours, the seedlings are neat, unified field management is facilitated, the seedlings grow evenly and robustly, the stress resistance is high, and a foundation is laid for high and stable yield.