3659 results about "Germination" patented technology

The invention discloses a method for rapidly and nondestructively detecting seed quality based on a near infrared spectrum technology, and relates to the technical field of modern agriculture, and the method comprises the following steps: using a deep learning model to carry out image recognition on a seed to be detected, determining a seed type and automatically adjusting spectrometer parameters; collecting spectral data by using the adjusted near-infrared spectrometer, and preprocessing the spectral data; obtaining the internal structure and density information of the seeds, and combining the internal structure and density information with the spectral data to form a multi-modal data set; constructing a seed vigor prediction model, and predicting the germination rate of the seeds; judging the growth trend of the seeds according to the prediction result; grading according to the growth trend of the seeds; according to the method, the seed vigor prediction model is constructed, so that high-precision prediction of the seed germination rate is realized; through classification and grading of growth trends, a scientific basis is provided for seed screening and planting management.

The invention provides a strain of Burkholderia graminicola as well as a bacterial agent and application of the Burkholderia graminicola. The preservation number of the Burkholderia graminicola is CCTCC (China Center For Type Culture Collection) NO: M20242399. The Burkholderia paragallinarum provided by the invention has the functions of nitrogen fixation, phosphate solubilization, siderophore production and indoleacetic acid production. The Burkholderia grassy and the fungicide taking the Burkholderia grassy as the effective active component can promote the germination of plant seeds and the growth of crops.

The invention relates to a spaceflight-carried pleurotus geesteranus strain Kungu No.6 and application thereof, and belongs to the technical field of strain breeding. The spaceflight-carried pleurotus geesteranus strain Kunchu No.6 in the application is preserved in the China General Microbiological Culture Collection Center on August 29, 2024, the preservation number is CGMCC No.41447, the classification name is Pleurotus pulmonarius, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. Compared with cultivation of a strain which is not subjected to aerospace carrying, the Kungzhou No.6 strain has the characteristics of high hypha germination speed, high feeding speed, fleshy mushroom flesh, deep color, high conversion rate, short growth cycle and the like, and is suitable for industrial cultivation.

The invention discloses uranium-tolerant bacillus cereus and application thereof in biological combined remediation of uranium-contaminated soil. According to the uranium-tolerant bacillus cereus B6 provided by the invention, the uranium-tolerant bacillus cereus B6 with a growth promoting function is obtained by screening and separating from soil in a decommissioned uranium mine area, and the strain can normally grow under the uranium concentration of 400mg. L <-1 > and can also grow under the uranium concentration of 400mg. L <-1 >; the strain also has various growth promoting characteristics of fixing nitrogen, dissolving potassium, dissolving inorganic phosphorus, producing cellulase, producing siderophores, producing organic acids, synthesizing protease and the like. Meanwhile, the bacillus cereus B6 has good growth promoting ability, can relieve toxicity of uranium to plant germination and growth, can significantly improve stress-resistant enzyme activity of plants, significantly increase biomass of plants and uranium enrichment amount, and is expected to become an excellent strain for microorganism-plant combined remediation of uranium contaminated soil.

The invention discloses multi-layer response type ecological seed paper and a preparation method thereof. According to the invention, the microencapsulated seed adopts a sodium alginate and chitosan double-layer coating process, and the pH response characteristic is combined, so that the problem of seed damage caused by high temperature or mechanical pressure in the traditional seed paper processing process is effectively solved. The sodium alginate gel layer forms a physical barrier through ionic crosslinking, so that direct impact of a processing environment on the seeds is isolated; the pH sensitivity of the chitosan coating ensures that the seeds are only released under the soil neutral condition, and poison of acidic or alkaline environment to seedlings is avoided. When the soil moisture content exceeds a threshold value, the hydrogel grid structure is rapidly expanded and disintegrated, and the slow-release fertilizer and the nitrogen-fixing flora are synchronously released. According to the dual intelligent response system, the survival rate of the seeds is increased, accurate space-time matching of nutrient release and seed germination is achieved, and in a mine remediation scene, heavy metal adsorption and soil microbial community reconstruction can be completed at the same time by adjusting the aperture of the hydrogel and the variety of probiotics.

The invention relates to the technical field of saline-alkali soil improvement. The invention provides an extremely severe saline-alkali soil improvement method which comprises the following steps: (1) ploughing soil to be improved, ditching, and spreading a material A into ditches; (2) irrigation is carried out after crops are sown in the ditches, and field management is carried out in the crop growth period; (3) after crops are harvested, crop straw is smashed and subjected to rotary tillage into soil; and (4) repeating the steps (1)-(3), and carrying out continuous soil improvement treatment. According to the technical scheme, the soil structure and the microbial environment are improved through soil preparation and fertilization before sowing, the salt content of soil of a plough layer is reduced through a salt reducing measure, soil osmotic pressure is reduced, and the salt content of the soil is continuously reduced through a crop planting measure. According to the scheme, the soil saline-alkali improvement effect is good, a good soil environment is created for seed budding and seedling emergence stages, and the seed emergence rate is increased.

The invention relates to a salt-tolerant growth-promoting pseudomonas putida PLW1 and application thereof, and belongs to the technical field of microorganisms, the pseudomonas putida PLW1 is preserved in China Center for Type Culture Collection on June 24, 2024, and the preservation number is CCTCC NO: M 20241352; the strain has the functions of degrading organic phosphorus, degrading inorganic phosphorus, producing lipase, producing siderophores and producing indoleacetic acid, and also has good salt-resistant and alkali-resistant characteristics, and the microbial inoculum prepared from PLW1 can promote germination of corn seeds and growth of corn seedlings under salt stress, and has a very wide application prospect.

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 shallow lake submerged plant planting matrix and an efficient planting method. The method comprises the steps of submerged plant planting matrix preparation, seedling preparation, culture and maintenance and seed throwing. The planting substrate comprises the following components in percentage by weight: 54-74% of common soil; 12 to 33% of sediment; 11-12% of river sand; 1% of kaolin; after the raw materials are uniformly mixed, a small amount of water is added for multiple times, so that the sticky planting substrate is formed. Propagules such as submerged plant seedlings, buds and seeds are wrapped with the planting substrate. The submerged plants and the planting substrate form a stable whole body which is not easy to separate; after the plant seedlings are maintained and cultivated for 5 days, the submerged plant seedlings are thrown and planted in the lake water area. A small amount of degradable environment-friendly substrate raw materials are added, so that the strength and toughness of the planting substrate can be improved, the substrate can be kept in water until the submerged plants are stable in rooting and germination, necessary nutrient elements can be provided for growth of the submerged plants, and rapid and stable growth of the submerged plants is promoted.

Described herein are biodegradable, encircling protective devices used to protect seeds and saplings during their greatest vulnerability after germination while promoting growth of the sapling, preventing detritus and competing plants from fouling growth, and simultaneously fending off predation from herbivores or omnivores, which devices melt when exposed to controlled fire without harmful side effects.

The invention relates to the technical field of molecular genetic breeding, in particular to a KASP molecular marker related to salt tolerance in a mung bean germination period, a primer group, a kit and application. According to the KASP molecular marker Chr126769484 related to the salt tolerance in the mung bean germination period, primers are designed according to the KASP molecular marker, typing is carried out by utilizing specific matching of basic groups at the tail ends of the primers, the KASP molecular marker related to the salt tolerance in the mung bean germination period is developed, genetic typing is carried out, identification is accurate and convenient, the salt tolerance in the mung bean germination period can be predicted at low cost, and the application prospect is wide. The process of salt-tolerant variety breeding in the mung bean germination period is simplified, the breeding efficiency is improved, and the mung bean breeding process is accelerated.

The invention relates to the technical field of organic fertilizers and planting of watermelons and muskmelons, and provides a special fertilizer for milk irrigated watermelons and muskmelons and a double-stubble planting method for sweetness enhancement of milk irrigated watermelons and muskmelons. The special fertilizer for the milk irrigated watermelons and muskmelons comprises black goat manure, sophora alopecuroide, sesame seed meal, bran, organic fresh milk, brown sugar and zymophyte. The black goat manure is pulverized into powder by a pulverizer, the sophora alopecuroide is pulverizedinto 1 cm to 2 cm, and the ratio of the black goat manure, the sophora alopecuroide, the sesame seed meal, the brans, the organic fresh milk, the brown sugar and the zymophyte is 2700-3200: 80: 50: 150: 5: 1. The double-stubble planting method for sweetness enhancement of the milk irrigated watermelons and muskmelons comprises the following steps: selection of a nursery seedling plate and soil, cleaning and germination accelerating of seeds, soil preparation, transplanting, irrigation, topdressing, shaping and forking of watermelon and muskmelon vines and fruit bearing of the watermelons and the muskmelons. The problems that in an existing watermelon and muskmelon planting process, soil nutrients are damaged due to the fact that chemical fertilizers are used for a long time, and the sweetness of melons is reduced are solved.

The invention discloses a seeding device for vegetable planting. The seeding device comprises a bottom plate, a slotting plate, a seeding mechanism and a fertilizing mechanism, wherein the slotting plate is arranged on the bottom plate in a liftable manner through a lifting mechanism and is used for slotting; the seeding mechanism is fixedly arranged on the bottom plate, is positioned behind the slotting plate and is used for uniformly seeding; a plurality of sets of driving wheels are rotationally arranged on the bottom face of the bottom plate at intervals, and a bidirectional motor is fixedly arranged on a rotating shaft of each driving wheel. When the device is used, the problems in the prior art that the seeding density of seeding equipment is difficult to accurately control, so that seeds are not uniformly distributed in soil, the seeding depth of vegetable seeds cannot be adjusted according to vegetable growth requirements and soil conditions, the seeding depth is too shallow or too deep, and the germination rate and the growth condition of the seeds are influenced are solved.

A change of state of weed seeds to having reduced germination viability in under one minute by illuminating a seed with at least one of 2 J / cm2 cumulative illumination energy, and 0.2 W / cm2 irradiance, but no more than 7 W / cm2 average irradiance, of at least one of an Indigo Region Illumination Distribution (IRID), and infrared radiation that is substantially Medium Wavelength Infrared (MWIR) radiation, preferably 2-8 microns. The MWIR radiation from heated borosilicate glass or glass powder at just under 500 C offered a peak MWIR emission of 3.75 microns was unexpectedly effective, and can be used in a radiant and transmissive weed seed accumulator transport belt. The process can be incorporated into a harvester combine to convert a tailings flow prior to discharge on an agricultural field. An illuminated harvest combine using an illuminator according to the invention allows reduction of the weed seed bank.

The full-biodegradable film mulching and punching equipment for crop planting comprises a sleeve, the sleeve is in threaded connection with the outer side of a connecting roller, and the upper portion of a punch is connected with an adjusting mechanism capable of adjusting the size of a discharging opening according to different crop vegetable seeds. The lower portion of the punch is connected with a frame plate through a first transverse rod and a limiting rod, and flow guiding mechanisms used for guiding crop vegetable seeds to the inner side of the frame plate are installed on the two sides of the frame plate. According to the equipment, the processes of film mulching, punching and sowing are automatically completed, the speed is high, the efficiency is high, the planting time is greatly shortened, and the agricultural production efficiency is improved. Automatic equipment replaces manual operation, manpower input is reduced, labor cost is reduced, meanwhile, labor intensity is relieved, the equipment can control the seeding quantity, the seeding uniformity and depth are guaranteed, the seed germination rate and the crop yield are improved, in addition, the equipment does not need any electric control unit, and cost is greatly saved.

A farming method may be shown and described. In an exemplary embodiment, plants may begin in a germination phase. Next, plants are brought to a nursery for a period of time before optionally being transplanted to one or more subsequent nurseries. Finally, plants are transplanted to a greenhouse where they may grow until they are ready for harvest. In an exemplary embodiment, the nursery phases may be vertical farms while the greenhouse phase may be a traditional, hydroponic, or other type of farm which may receive sunlight. AI may be implemented to optimize environmental conditions and robotics may be used to harvest the plants. Plants may be indexed to efficiently expedite plant growth and optimize the time and plant density / spacing in each phase.

The invention discloses an application of an RhRAP2.4 gene in regulation of axillary bud germination of Chinese rose. Relates to the technical field of biology, and provides application of a product for inhibiting expression of an RhRAP2.4 gene or transcriptional translation protein of the RhRAP2.4 gene in promoting germination of rosa chinensis axillary buds, and the nucleotide sequence of the RhRAP2.4 gene is shown as SEQ ID NO.1. According to expression results of the RhRAP2.4 in different site buds of rosa chinensis branches, the RhRAP2.4 in the axillary buds is instantaneously silenced, and the rosa chinensis axillary bud germination is promoted. It is found that abnormal expression of the RhRAP2.4 can influence germination and growth of the axillary buds, silent RhRAP2.4 can inhibit growth of the axillary buds, and overexpressed RhRAP2.4 can promote growth of the axillary buds.

The invention belongs to the technical field of agricultural production, and discloses an evaluation method for identifying the preliminary salt tolerance of foxtail millet in a germination period, which comprises the following steps: determining five key indexes of relative germination potential, relative germination rate, relative root length, relative bud length and relative germination index in the germination period of foxtail millet; the salt tolerance of the millet germplasm resources in the germination period can be preliminarily evaluated by establishing a regression equation to estimate the D value. The simple, convenient and scientific method for identifying the salt tolerance of the millet germplasm resources in the germination period is established, convenience is provided for screening salt-tolerant germplasm of millet, and the method is a premise for carrying out research on a salt-tolerant mechanism of millet.

The invention discloses pelletized seed sowing equipment for micro soil dressing of saline-alkali soil. Comprising a rack, a furrowing blade, a press wheel, a material mixing piston pipe, a micro soil dressing storage box, a seed storage box, a first telescopic cylinder, a sliding sheet, a sliding rail, a material falling hole, a seed sticking hole, a sealing part, a seed supplementing box, a one-way valve, a main piston, an auxiliary piston, an auxiliary pipe, a second telescopic cylinder, a third telescopic cylinder, a connecting pipeline, a material outlet, a through hole, a fixing plate and a fixing support. A novel seed embedding and seed discharging structure is designed, micro soil dressing is pushed by the piston to enter the seed storage box for seed sticking, the requirement for seed characteristics is greatly reduced, and compared with a traditional air suction type seeder and a no-tillage seeder, the seeder is not limited by conditions such as the size, the shape, the density and the germination rate of seeds any more, and the seeding efficiency is greatly improved. Therefore, it is ensured that the seeds can be uniformly and moderately embedded, and the optimized embedding mode not only provides an ideal germination environment for the seeds, but also significantly improves the germination rate of the seeds.

The invention provides a method for sterile sowing and efficient propagation of cymbidium faberi. The method comprises the following steps: pretreatment of cymbidium faberi seeds, sterile germination of the cymbidium faberi seeds, protocorm proliferation, differentiation, seedling strengthening and acclimatization and transplantation. The pretreatment comprises the steps of refrigerating hybrid seeds of cymbidium orchid at 4 DEG C, performing secondary disinfection with sodium hypochlorite, performing dark culture for 10-30 days after sowing, and then performing light culture, and the germination culture medium is prepared by taking 1 / 4 MS as a basic culture medium and adding 100-200ml / L of coconut water, 0.5-1.0 mg / L of 6-benayl aminopurine, 0.1-0.5 mg / L of naphthylacetic acid, 0.5-2.0 g / L of peptone and 0.5-1.0 g / L of activated carbon. According to the method, the seed germination rate can be effectively increased, the 60d seed germination rate reaches up to 85%, the pollution rate is reduced to 5% or below, 50.0 g / L inositol, 2.0 mg / L glycine and 2.0 mg / L nicotinic acid are added into a differentiation culture formula, the differentiation rate can be effectively increased, the leaf bud differentiation rate reaches up to 90%, meanwhile, rooting can be induced, the growth time of cymbidium faberi from seeds to seedlings is greatly shortened, a large number of high-quality seedlings can be obtained within a short time, and the method is suitable for large-scale popularization and application. Technical data are accumulated for cymbidium resource protection and new variety cultivation.

The invention provides a rhodiola crenulata tissue culture and test-tube seedling acclimatization and transplantation method, and belongs to the technical field of plant tissue culture. The tissue culture method of the rhodiola crenulata comprises the following steps: (1) sterilizing rhodiola crenulata seeds, and performing germination culture to obtain adventitious buds; (2) transferring the adventitious buds obtained in the step (1) into an adventitious bud proliferation culture medium for adventitious bud proliferation culture to obtain cluster buds; and (3) transferring the cluster buds obtained in the step (2) into a seedling strengthening and rooting culture medium for seedling strengthening and rooting culture to obtain test-tube plantlets. The tissue culture and test-tube seedling acclimatization and transplantation method of rhodiola crenulata can provide a new method for large-area efficient cultivation of rhodiola crenulata, and has important application value for resource protection, development and utilization of rhodiola crenulata.

To provide a coated seed capable of contributing to dispersion of work periods by advancing a sowing period to autumn or winter from a conventional cultivation system of sowing in spring.SOLUTION: There is provided a coated seed that makes it possible to suppress germination until an appropriate time while maintaining seed viability by coating the seed with a coating material that can inhibit water absorption, which triggers seed germination, until a temperature is suitable for germination and can be peeled off from the seed at a temperature that allows for growth (for example, a hydrophobic coating material containing a vinyl ether copolymer consisting of repeating units of the following formula (1), where R1 represents an alkyl group having 3 to 10 carbon atoms, and R2 represents a cyclic hydrocarbon group whose basic skeleton is an alicyclic group having 10 to 15 carbon atoms).SELECTED DRAWING: None

The invention relates to a high-frequency regeneration and rapid propagation method of Enkianthus chinensis tissue culture seedlings. The invention is characterized in that dormant axillary buds of semi-lignified young stems are used as the base. The method comprises the following main steps: sampling and disinfection treatment of explants, inducing of dormant axillary bud germination, inducing of adventitious bud and lateral bud high-frequency generation, strong seedling culture, test-tube rooting culture and acclimatization and transplanting. Finally, regenerative plants which have consistent parental character, excellent quality and strong stress resistance are obtained. According to the invention, lots of seedlings with consistent specification and excellent quality can be obtained within a short period of time, and marketization progress of Enkianthus chinensis is promoted powerfully.

The invention discloses a seed germination information acquisition method based on deep learning, and belongs to the technical field of germination information detection.The method comprises the steps that seeds are cultivated; acquiring images of the seeds in different germination states at the initial stage, the middle stage and the later stage; marking the obtained image; dividing the marked data, and performing image enhancement on the divided data; the YOLOv7-large model is improved, and training and verification are carried out on the YOLOv7-large model; detecting the trained YOLOv7-large model, and carrying out numbering, screenshot and storage on the detected germinated seed target; and processing the stored germinated seeds, and converting corresponding bud length data based on a processing result in combination with the shooting distance of the camera. According to the method, the seeds in different germination stages are rapidly detected through the improved YOLOv7-large model, and the germination rate and the corresponding bud length of the seeds are calculated according to the detection result, so that the cost is remarkably reduced, the working efficiency is greatly improved, and errors caused by subjective factors are reduced.

The invention discloses talaromyces purpurogenum as well as a fermented supernatant and application thereof. The preservation number of the talaromyces purpureogenus F-4 is CCTCC NO: M 20252023, and the talaromyces purpureogenus F-4 has the growth promoting effects of dissolving phosphorus, fixing nitrogen and generating siderophores, also has the disease preventing and treating effects of preventing and treating garlic root rot, potato scab and wheat stem rot, and also can resist salt stress, alkali stress, salt-alkali composite stress, heavy metal stress and osmotic pressure stress. The fermentation supernatant of the talaromyces purpureus F-4 can be used for inhibiting the growth of fusarium solani spores, streptomyces botrytis spores and fusarium pseudograminearum and the germination of the spores of the fusarium solani, the streptomyces botrytis and the fusarium pseudograminearum. The talaromyces purpurogenus and the fermented supernatant thereof can effectively control the growth and reproduction of plant pathogens, reduce the risk of disease occurrence, reduce the dependence on chemical pesticides, and reduce the risk of environmental pollution and agricultural product residues, and have important significance for promoting the sustainable development of agriculture.

The invention discloses an accurate water and fertilizer regulation and control technology for an alfalfa seed field, and aims to improve the water and fertilizer utilization efficiency and seed yield of alfalfa by optimizing a water and fertilizer management strategy. The invention provides a precise regulation and control mode based on irrigation amount and fertilization amount coupling, the evaporation amount of a reference crop is calculated by using a Penman-Monteith formula, the optimal water and fertilizer ratio suitable for different alfalfa growth stages is provided based on a pot experiment and a field experiment, a comprehensive evaluation system is constructed, an economic benefit analysis model is combined, and the optimal water and fertilizer ratio is calculated. A scientific basis is provided for popularization and application. According to the technology, the growth indexes (such as plant height and leaf area) of alfalfa are remarkably improved, and the seed quality (such as thousand seed weight and germination rate) is improved. In addition, efficient utilization and sustainable development of resources are achieved, and remarkable economic and ecological benefits are achieved.

The invention discloses burkholderia and application thereof in tobacco growth promotion, and belongs to the technical field of microorganisms. The Burkholderia sp. XCD4 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number of the Burkholderia sp. XCD4 is CCTCC NO: M 20241837, and the preservation time of the Burkholderia sp. XCD4 is August 23, 2024. The Burkholderia cepacia XCD4 is obtained through separation for the first time, the Burkholderia cepacia XCD4 has the good capacity of dissolving phosphorus and potassium, secreting IAA, producing siderophores, producing ACC deaminase and producing gibberellin, seed germination is promoted by remarkably improving the germination rate, germination potential, seedling length and root length of seeds, plant growth can be remarkably promoted, and the yield of plants is increased. Meanwhile, enrichment of phosphorus, potassium and other elements in tobacco planting plough layer soil can be reduced, and the utilization efficiency of the fertilizer is improved, so that the application prospect is good.

The invention discloses a bacillus AH83 capable of resisting saline and alkaline and promoting growth and application thereof, and belongs to the technical field of microbiology and biology, the bacillus AH83 is preserved in the China Center for Type Culture Collection with the preservation number of CCTCC No: M 20241495, and the bacillus AH83 is preserved in the China Center for Type Culture Collection with the preservation number of CCTCC No: M 20241495. The AH83 provided by the invention is a new species of bacillus, can inhibit the growth of pathogenic bacteria of cotton fusarium wilt, and has the growth promoting functions of dissolving potassium, generating indoleacetic acid, cellulase, protease, siderophore and the like; meanwhile, the AH83 can survive in a highly saline-alkaline environment, can promote agronomic characters such as plant height, biomass, leaf area and root development in a corn seedling stage when applied in saline-alkaline soil, can also increase soil nutrients and enzyme activity content, and has a promoting effect on lavender seed germination. The strain is of great significance in improving crop yield and stress resistance and developing novel agricultural microbial agents.

The invention belongs to the field of biological agents, and particularly relates to bacillus siamensis and application thereof in the aspects of plant disease control, growth promoting and yield increasing. The bacillus siamensis XNC-3 provided by the invention is wide in antibacterial spectrum, can effectively inhibit various plant pathogenic fungi including phytophthora parasitica var nicotianae, has broad-spectrum antibacterial activity, and can be used for preventing and treating plant diseases, especially tobacco diseases. The bacillus siamensis has a promoting effect on tobacco seedling growth and seed germination, has growth-promoting and yield-increasing effects on tobacco, can remarkably increase the tobacco yield and improve the tobacco quality, is safe to the environment and has a very good application prospect.

The invention belongs to the technical field of plant breeding, and particularly relates to a method for identifying salt tolerance of asparagus in the whole growth period in coastal saline-alkali soil. According to the method, the salt tolerance of the variety is identified in the germination period, the seedling period and the field growth period of the asparagus, so that the salt tolerance of the whole growth period of the asparagus is comprehensively evaluated. In the germination period and the seedling period of the asparagus, a traditional sodium chloride stress method is changed into a saline-alkali soil leaching solution for salt stress treatment. According to the method, the salt tolerance of the asparagus varieties is evaluated by adopting a fuzzy comprehensive evaluation method in the field growth period of the asparagus, the contribution rates of a plurality of phenotype indexes under salt stress are comprehensively considered, the salt tolerance correction membership function value of each variety is calculated, and the limitation of evaluation by a single character index is avoided. According to the method, the salt tolerance of the variety can be reflected more comprehensively and more accurately from different growth periods of the asparagus.