114 results about "Branch number" patented technology

The invention provides a high-yield culture method for planting cotton in a high-risk cotton region. The technology adopts double-wide-film mulching, the influence caused by low temperature, rain damage, wind damage and the like in spring on the seedling emerging is effectively resisted, and the seedling emerging is fast, regular and uniform; the multi-time intertillage and few-time chemical control technology in the seedling period is combined, the earth temperature is raised, the early emerging of strong seedlings is effectively promoted, and the seedling retaining rate and the strong seedling rate are improved; the water control is used as a main measure, the chemical control is used as an auxiliary measure, the water is saved, the pesticide is saved, and the premature senility is prevented; organic fertilizers (humic acid) and special fertilizers (special drip-irrigation fertilizers) are heavily applied, few chemical fertilizers are applied, the fertilizer effect is enhanced, and the soil and environment pollution is reduced; first watering is carried out later at proper time, the watering is stopped early, the water utilization rate is improved, and the early ripeness is promoted; top pruning is carried out early at proper time, the useless fruit branch number is reduced, the plant height is reduced, and the falling is prevented; maturity acceleration is carried out early at proper time, the harvesting can be carried out for many times in the early period, the loss rate is reduced by 5 to 10 percent, and the yield is improved.

The invention discloses a method for mechanically harvesting winter rape efficiently with low power consumption. The method comprises the following steps of: A, constructing a rape group suitable for mechanical harvest: selecting the variety suitable for mechanical production, performing mechanical precise-quantity direct seeding when the soil water content is 30 to 40 percent, and constructing an ideal group and a plant type by fertilizer and water application and disease inset pest and weed control; B, adjusting a mature period: spraying a ripener two to three days before the harvest of rape seed ripening stage in the regions of contradictory seasons; C, harvesting at right time: observing and measuring the morphological physiological index of the plant before the harvest of the rape, wherein more than 95 percent of siliques, namely yellow loquat fruits in the cropland are suitable for mechanical harvest; D, mechanically harvesting and measuring loss rate: harvesting by a special rape harvesting mechanism in a combining way in the period suitable for harvest; E, smashing and returning rape straw to the cropland: flooding the straw in water immediately after the harvest of rape, decaying and returning to the cropland. The method is easy and convenient to operate, improves a one-time efficient branch height, reduces the branch number, reduces the thickness of the pod layer, solves the problems of high harvest loss rate, and improves the yield.

This invention relates to lubricant base oil having high viscosity indexes and low pour points, and particularly to lubricant base oil consisting essentially of a normal paraffin and an isoparaffin, wherein (a) an average carbon number Nc in one molecule is not less than 28 but not more than 40, and (b) an average branch number Nb in one molecule calculated from a ratio of CH3 carbon to total carbon determined by 13C-NMR analysis and the average carbon number Nc in one molecule is not more than (0.2Nc−3.1) but not less than 1.5.

The invention relates to a method for constructing a high-yielding cotton population structure of a jujube and cotton intercropping drip irrigation cotton field in Xinjiang. The method includes steps of creating a suitable population environment in the drip irrigation high-yielding cotton field; preparing seeds; sowing the seeds; irrigating; applying fertilizers; chemically regulating the cotton field; controlling diseases, insects and weeds; performing topping; and harvesting and the like. The method has the advantages that the high-yielding cotton population structure of the jujube and cotton intercropping drip irrigation cotton field in Xinjiang can be constructed; and as shown by investigation for a plurality of fields, specific indexes of the high-yielding population structure include that the maturity of selected cotton varieties is 5-8 days earlier than the maturity of local mono-cropping main cotton varieties, the period between a sowing stage and a boll opening stage is 148-156 days, cotton reaches the boll opening stage on 12-20 September under a jujube and cotton intercropping condition, the cotton assuredly reaches the boll opening stage on 12-20 September under the jujube and cotton intercropping condition, the maximum leaf area index is 3.9-4.3, the plant height is 69-77cm, the plant width is 51-58cm, the light interception rate of the cotton at a peak polling stage is higher than 80%, the fruit branch number is 8.6-9.2, the number of unit-plant bolls is 3.9-4.3 per plant, the actual number of harvesting plants is 15380-17450 per mu (net area), and the boll yield is 61581-71337 per mu.

The invention discloses a manufacture process of a shell fabric with a memory function. The manufacture process comprises the following steps of: implementing cloth matching by a springback yarn fabric with 50D, the total branch number of 281T, the warp density of 205T and the weft density of 76T; continuous annealing the fabric; desizing the fabric by adding 1g-4g of refining agent, 1g-3g of degreaser and 4g-6g of caustic soda flakes into the fabric; dyeing the fabric by adding 0.3g-1g of chelating agent, 1g-2.5g of leveling and dispersing agent, 0.3g-1g of mending agent, 0.3g-1g of pH conditioning agent and 1g-3g of carriers; performing reduction washing on the fabric by adding 1g-3g of acid reducing agent into the fabric; then dewatering, feeding clean water, and adding 0.3g-1g of glacial acetic acid into the fabric in 3-5 minutes; and spreading and sizing the fabric, and packaging the finished shell fabric after inspection is finished. According to the manufacture process, the fabric is processed and woven by springback yarns with recovery characteristics, corresponding auxiliaries are added into the fabric in the drying procedure, and thus the shell fabric is gorgeous, is flexible, smooth and comfortable in handfeel, is fluffy and thick and has the good memory function after being processed by special processes. When the surface of the shell fabric is grasped and washed, the crinkles on the surface of the shell fabric disappear after being wiped by hand, and the shell fabric is as smooth as before.

The invention belongs to the technology field of the cole breeding, in particular to the method of the seed selection of the Brassica napus self incompatible line with low erucidic acid and sulfuric glucoside utilizing microspore culture and SSR marker assistance. The method is characterized in selecting the Brassica napus self incompatible line S-1300 as the female parent and maintenance line 04P63 External-52 as the male parent, crossbreeding and obtaining F1, microspore culture F1 and obtaining double haploid (DH) self incompatible line; further screening and obtaining the DH material of the Brassica napus self incompatible line with low erucidic acid and sulfuric glucoside; analyzing the variation of the self incompatible double haploid (DH) line by using the SSR markers, studying six major traits of the self incompatible double haploid (DH) line including the plant height, the first branch number, the first branch silique number, main inflorescence length, main inflorescence silique number and yield per plant; screening the double-low Brassica napus self incompatible double haploid (DH) line superior to the S-1300 in production, related trait and general combining ability. The seed selection provides an easy, rapid and effective method of the double-low Brassica napus inbred incompatible double haploid (DH) line.

For overcoming the defects that in the prior art, an anti-counterfeiting label has high production cost and is easy to counterfeit and the using environment of the anti-counterfeiting label is limited, the invention discloses an anti-counterfeiting label on the basis of a fractal image and an anti-counterfeiting verification method. The anti-counterfeiting label comprises an identification code, a fractal image number, a label carrier and a fractal image; the identification code, the fractal image number and the fractal image are all arranged on the label carrier; the label carrier is also provided with an information write-in region; encrypted information is printed in the information write-in region according to the requirements of a client; the identification code is a global or national unique code formed in a mode that the label association or the government uniformly distributes a zone bit to each label manufacturer and a computer automatically generates a branch number; the fractal image number and the fractal image are randomly generated by the computer and have relevance; and the shape of the fractal image is changed with the fractal image number. According to the anti-counterfeiting label on basis of fractal image and anti-counterfeiting verification method provided by the invention, functions of identification uniqueness, high safety, anti-counterfeiting property, harsh environment resistance, wide application, low cost, convenience and rapidness for verifying the authenticity and the like are implemented.

In order to provided algorithm for searching graphs and a device for searching graph into which a new concept for solving a disadvantage arisen by using proof numbers or disproof numbers in an AND / OR graph construction is taken, algorithm according to the present invention which searches directed graphs in which OR nodes having at least one choice or more choices desired to reach to solution and AND nodes necessary to reach all choices to the solution are appeared alternately from a starting point to the solution, further comprising: a calculating step for calculating branch numbers of routes except for a specific route reaching at least from the starting point to an optional node at a specific node in the AND nodes or the OR nodes accompanying with said specific route.

The invention relates to a method for breeding an upland cotton intervarietal hybrid, and belongs to the technical field of plant breeding. Multi-parents are crossbred through mixed pollination, and filial generation excellent plants are crossbred through mixed pollination to breed female parent line 29-8. The male parent 203-16 line is selected and bred through multi-parent hybrid, excellent plant mixed pollination hybrid, and combination of techniques such as identification of verticillium wilt disease and verticillium wilt hybrid disease nursery, space-flight induction and so on. The female parent line 29-8 and the male parent 203-16 line are prepared into a hybrid Ning 2058. The hybrid Ning 2058 belongs to middle-early ripen variety, the growth season is about 120 days, the plant height is 98.60 cm, the node position number of fruit branch is 6.38, the fruit branch number of single plant is 11.96, the boll number of the single plant is 22.66, the boll number per mu is 65,900, the single boll weight is 6.95g, the seed index is 10.88g, the gin turnout is 41.17 percent, the pre-frost lint percentage is 89.23 percent, and the hybrid is suitable to be planted in various cotton areas in Tianjin City.

The invention discloses a method for promoting orchid to grow and preventing diseases, and relates to a method for preventing the diseases and promoting orchid branches to grow and prolonging a flowering phase. The method disclosed by the invention comprises the following steps of uniformly mixing a solid state culture and a culture medium into a basin according to the mass ratio of 1 to 50 in orchid plant transplantation, wherein the solid state culture has the spore concentration s 1*10<7>-1*10<8> spore / g and prepared from Trichoderma harzianum T216, and planting an orchid plant, wherein the solid state culture can induce the resistance of the orchid plant to the fungoid diseases such as southern blight, rhizoctonia solani and anthracnose and bacterial soft rot caused by Erwinia carotovara during orchid growth, the plant morbidity is reduced, the disease index is reduced, the orchid is promoted to grow in advance, and the number of blades of the orchid are increased. In addition, the method disclosed by the invention has the advantages that a liquid state culture of the Trichoderma harzianum T216 is regulated into 1*10<5>-1*10<7> spore / mL when the orchid peeps a bud, and the spray treatment is carried out on the orchid plant, so that the branch number of the orchid is increased, and the flowering phase of the orchid is prolonged.

The invention relates to a gene for regulating the plant types and the yield of plants and application of the gene. First-time separation is carried out to obtain polynucleotide for regulating the plant type and the yield trait relevance of the gramineous plants, and polynucleotide can promote the improvement of the plant type of the gramineous plants remarkably, promote increase of the diameter of stems, promote increase of the ear first-level branch number, the ear second-level branch number, the spikelet number of each ear, the weight of each ear or the length of each ear, reduce the tiller number properly, promote increase of the plant height and promote increase of the yield of the gramineous plants. The invention further provides a molecular marker used for identifying fine traits of the plants. A new path for improving the traits of the gramineous plants is provided.

The invention provides a method for replacing flaveria bidentis by utilizing combination of a sunflower and an alfalfa. In the method, the alfalfa and / or the sunflower is adopted to carry out biological substitution on the flaveria bidentis. The method lowers the emergence rate and the plant height of the flaveria bidentis, reduces the branch number, the leaf number, the biomass and the content of soluble protein of the flaveria bidentis and can fulfill the obvious control function on external invasion of the flaveria bidentis. Seeds of the alfalfa and the sunflower are also easily obtained, and therefore, the planting method is simple and is easy to operate. In addition, the alfalfa is a kind of herbage with high quality, and the sunflower is a kind of important oil crop. The flaveria bidentis population quantity can be controlled and a certain economic value can also be realized by adopting the method.

The invention discloses a method for quickly cultivating a carya pecan tree crown. The method for quickly cultivating the carya pecan tree crown includes that selecting a 2-year-old carya pecan grafted seedling, planting, trunk determining, shearing according to the following method after planting for 2 to 5 years, to be specific, shearing in summer in general, shearing at the middle ten days of June of each year, cutting back 1 / 5 from each 20 to 50 centimeters one-year-old branch, and cutting back 1 / 3 from each more than 50 centimeters one-year-old branch; applying 20 to 40 kilograms of chicken manure and 1 to 5 kilograms of slow release fertilizer to each tree in winter of each year; irrigating duly to guarantee enough moisture; manually catching trunk boring insects and using an insecticidal lamp to kill the trunk boring insects. A lot of branches can be formed to quickly form the tree crown after planting for 5 years, the branch number is 3 to 4 times of that of the tree crown not sheared, and the yield would be increased by 3 to 4 times.

The invention discloses a differential privacy protecting method of datastream key mode mining. A window corresponding to each timestamp is preprocessed and mined, firstly first noise adding is conducted, so that counting (a frequent mode) satisfies differential privacy, and then through a branch number distribution condition, all nodes are sifted to select a node candidate set C1 which satisfiesthe condition that c(primary set)>Sigmac(subsidiary set), and nodes in the C1 are subjected to secondary noise adding, so that the key mode satisfies the differential privacy. By conducting noise adding twice, on the premise that the safety is satisfied, the effectiveness can be improved. Besides, for window sliding, to improve reasonable distribution and privacy budget of the mining time, two differential nodes are utilized to calculate and decide noise adding situations, counting is considered, and the branch number condition is also considered, so that the mined key mode lowers the computing complexity as much as possible on the condition that the safety is guaranteed and is for study personnel to conduct analysis work.

The invention discloses a subsection ramie unglued producting method which determines the different branch numbers according to fiber length, it includes raw ramie pre-process, coming unglued, post process, its character lies in: in pre-process, the raw ramite are divided into segments, the length is from 50 to 400 mm. The invention shortens the craft, and enhances the quality of coming unglued.

A stator double-armature lap winding unit of a three-phase brushless synchronous generator is characterized in that the number of stator grooves is 36, the number of poles is four, and the stator armature winding unit is composed of two sets of three-phase symmetrical lap windings. The windings of each phase are formed by serially connecting a first group of windings in the first set and a first group of windings in the second set and serially connecting a second group of windings in the first set and a second group of windings in the second set, and the corresponding phases of the first set of windings and the second set of windings are identical. Therefore, the parallel branch number of the windings of each phase can be 1 or 2, and the three-phase symmetrical windings formed by the two sets of windings can be triangle-shaped, Y-shaped, or X-shaped. Thus, three-phase alternating-current power supplies of different voltage grades can be provided. Harmonic waves of an order of 3 or orders of odd times of 3 are eliminated from phase voltage of the double-armature lap winding unit, and harmonic waves of orders of 5, 7... or higher orders are also greatly weakened. According to actual measurements, line and phase voltage waveform distortion rates of a 30 kW 4-pole sample machine under zero load and full load conditions are always under 2%. The performance of driving electronic equipment loads and induction motors is obviously improved. Moreover, the stator double-armature lap winding unit is traditional in technology, easy in implementation, and convenient for popularization.

This invention relates to a ultra-fine wool fabric and its weaving method, wherein the ultra-fine wool fabric's average diameter is 11-12 micrometer, its spun yarn section branch number is (170-180) / (2-3) G, and its longitude density is 402-404 roots / 10cm, the latitude density is 343-345 roots / 10cm This invention can reduce the wool yarn damage, and the fabric surface flaws, and insure the processing demand. And this invention can improve the high-grade wool fabric lining's texture, grade, using, value, and so on.

The invention relates to a method for culturing cotton resisting a micro-bundle disease. The method comprises the following steps: using sea island cotton or land-sea hybrid cotton with high resistance and immunity to the greensickness and the blight of a main cotton micro-bundle disease as a parental stock; using a general upland cotton specie or strain as scion; grafting at a seedling stage; andculturing grafted seeds in an environment with the temperature of 25-35 DEG C, the relative humidity of 85-95 DEG C and indirect lighting for 5-10 days. The method selects the sea island cotton or the land-sea hybrid cotton as the parental stock and inhibits or prevents micro-bundle pathogens from expanding under the effect of physical obstacle (texture structure) or chemical inhibition thereof or interaction the physical obstacle (texture structure) or the chemical inhibition thereof so as to present immunity or high resistance to the greensickness and the blight of a main cotton micro-bundle disease. The method has high grafting survival rate (higher than 90 percent), grafting cotton has strong advantages, high yield, longer stem than non-graft scion, larger fruit branch number than thenon-graft scion and strong-growth characteristic similar to the parental stock.

The invention discloses a method for planting cotton at muddy coastal heavy saline-alkali land. The method for planting the cotton at the muddy coastal heavy saline-alkali land includes steps of soil improvement, fertilizer increase, furrowing, seeding, growing period management and harvesting, wherein the other field management measures are the same with those of the normal management method. Based on salinity and soil structure features of the muddy coastal heavy saline-alkali soil, the growth rhythm of the cotton at the saline-alkali land, and the soil improvement and fertilizer increase technology, the cotton yield and quality are improved at the saline-alkali land through regulating and controlling the cotton plant height in the whole process and using the monosomic technology for controlling reasonable fruit branch numbers.

The invention discloses a method for cultivating Chinese roses at high temperature and high humidity. According to the method, a drainage device is arranged at the bottom of a culture bed, the problem that water is accumulated in cultivation soil is effectively solved, soil breathability is guaranteed, and the problem that plants of the Chinese roses die due to waterlogging in summer is solved. A seasonal shaping and pruning technology is adopted, the aim that pruning strengths are different in different seasons and under different temperature conditions is achieved, the reasonable plant type, plant distance and branch number are effectively kept, the growth vigor of the plants can be maintained and restored, and it is guaranteed that the Chinese roses survive in summer smoothly and blossom in all seasons. Compared with an existing traditional cultivation method, the physiological defect of the Chinese roses growing in the high temperature and high humidity condition is overcome, viewing and cultivation of the Chinese roses in high temperature and high humidity places are achieved, it is guaranteed that the Chinese roses blossom in all seasons, a technical example is created for the cultivation application of the Chinese roses to the high temperature and high humidity places, and landscaping materials are enriched.

The invention provides a method for evaluating the total supplying capability of a 220KV Lashou net. The method comprises the following steps of obtaining a space truss structure of the 220KV Lashou net, determining the network node number and the branch number of the space truss structure, and numbering the nodes and the branches of the space truss structure; reading the parameter and the load parameter of the space truss structure as well as the voltage amplitude and the phase angle of a balance node for the numbered space truss structure of the 220KV Lashou net; according to the constraint of the preset node voltage Vi and the phase angle difference deltaij as well as a PQnode and a balance node, obtaining an initialized Newton-Ralfson's method; obtaining an initialized self-adaptive differential evolutionary algorithm; according to the Newton-Ralfson's method, solving the tidal current of the 220KV Lashou net, and processing the tidal current by the self-adaptive differential evolutionary algorithm to obtain the total supplying capability of 220KV Lashou net under a N-1 constraint. According to the method, a district can be taken as a minimum unit to evaluate the total supplying capability, and the total supplying capability of the 220KV Lashou net can be quickly and accurately obtained when the N-1 condition is satisfied.

The invention provides a method for substituting flaveria bidentis by utilizing amorpha fruticosa. In the method, the amorpha fruticosa is adopted to biologically substitute the flaveria bidentis. In the method, the plant height, the branch number, the living weight per plant, the plant number per square meter and the soluble protein content of the flaveria bidentis are significantly decreased comparatively; the method can play the role in obviously controlling alien invasion of the flaveria bidentis; especially for the second year, the inhibitory action of the amorpha fruticosa to the flaveria bidentis is more obvious; in addition, the flaveria bidentis also has the functions of improving the soil, conserving the water resource, conserving the water and soil, beautifying the environment, and providing the feeds, the nectar sources and the weaving materials and the like, thus the method provided by the invention can control the population quantity of the flaveria bidentis, and also can realize better economic value.

The invention belongs to the technical field of water and soil conservation and concretely discloses a water and soil conservation method promoting recovery of vegetation in a mining area exploration ground surface crack belt. The method comprises the following steps of (1) filling the crack, (2) measuring degraded area of two sides of the crack, (3) determining cutting branch numbers according to the area measured in the step (2) and trimming the branches, (4) immersing the branches trimmed in the step (3), and (5) cutting the branches immersed in the step (4) on two sides of the crack to form a grid. The water and soil conservation method promoting recovery of vegetation in the mining area exploration ground surface crack requires simple steps and has obvious effect and low cost.

The invention relates to a method for breeding corn self-bred lines supplementarily and measuring combining ability. The method comprises the following steps of: (1) setting a breeding target of breeding the corn self-bred line; (2) selecting plants of which the roots are prosperous, fruit clusters are not bald and the branch number of tassel is 1 to 10; (3) planting 60 plants densely in a mode of 60,000 plants / hectometer<2>, and bagging for selfing completely during the flower season; (4) measuring the combining ability on excellent single plants which are grown in a field and meet the breeding target in early generation by a method of 'two seeds on one fruit cluster and interval pollination', and matching hybrids; and (5) continuing to perform selfing homozygosis on the self-bred lines which are high in combining ability and good in the expression of comprehensive characters to obtain S4 generation seeds. Due to the adoption of the breeding method of 'two seeds on one fruit cluster and interval pollination', the method has the unique advantages that a large number of self-bred lines and strains which are low in combining ability can be eliminated in the early generation, and the excellent single plants in the field can be conserved and are difficult to lose, so that resources of labor, financial resources and the like are saved. In addition, the combining ability can be measured in the same production season, so that the breeding age limit is shortened.

The invention discloses a method for estimating total supply capability of a 220kV looped ring network. The method comprises the following steps of extracting a grid structure of the 220kV looped ring network, determining network node numbers and branch numbers of the grid structure, and numbering nodes and branches of the grid structure; reading a grid structure parameter, a load parameter and a voltage amplitude and a phase angle of a balance node; carrying out group expansion operation on a predetermined load population to obtain an initial load population, and carrying out variation and cross evolution operations on the load population; carrying out power flow calculation and verification on the 220kV looped ring network in a normal running mode and a (N-1) running of each branch; and updating the population according to self-adaptive degree, and outputting a load scheme of the total supply capability. According to the method, the total supply capability is estimated by taking a district as a minimum unit, and the total supply capability of the 220kV looped ring network is rapidly and accurately figured out when the (N-1) condition is met.

The invention discloses a fracture simulation method for a fractured tight sandstone oil-gas reservoir. The method is characterized by comprising the following steps: step one: pressing a core model and laying gauze elements with different layer numbers at the middle part of the core model to simulate different fracture apertures; step two: determining the relationship between the gauze elements with different layer numbers and the fracture apertures; step three: determining the relationship between different placement directions of the gauze elements in the core model and the fracture strike;step four: determining the relationship between different layer numbers of the gauze elements and the fracture permeability. The method disclosed by the invention can simulate fractures with different fracture apertures, different branch numbers and different strikes in fractured oil and gas reservoirs; the simulated minimum fracture aperture can reach 0.08mm which fully reaches the micro-fracture level, while the maximum fracture aperture can be set according to needs; meanwhile, the matrix permeability can be as low as 0.1*10<-3>mu m<2> which reaches the ultra-low permeability level of a tight oil reservoir matrix, so that indoor simulation requirements of actual production conditions in the oil reservoir are met.

The present invention discloses a method for improving the rice yield through OsGRF6 gene, and applications thereof, and belongs to the technical field of crop genetic engineering. According to the present invention, after the GRF6 gene is subjected to overexpression in rice, the secondary rachis branch number and the number of grains per ear of the rice are increased, and after the GRF6 gene is subjected to knocking-out, deactivation or activity reducing in rice, the secondary rachis branch number per ear and the number of grains per ear are significantly reduced, such that it is indicated that the gene can control the rice yield; the GRF6 gene is introduced into the rice through the expression vector to make the GRF6 be subjected to overexpression so as to increase the rice yield; the GRF6 gene can further be used as the molecular marker used in the crop breeding; and the GRF6 gene provides the powerful means and tool for the new high yield rice variety by using the molecular marker-assisted breeding and the genetic engineering method, and has great application potential.

The solution method for uncertain branch and incorporation in process system comprises: arranging a branch counter with one field as default empty to store convergent node and another field as default zero to store branch number for every node; creating an initial node A and a matched convergent sector E with a branch counter set as one to show startup after waiting one node (A) complete; adding one to the convergent node number when the initial node branches two nodes or a branch till the sector E; till completing the process, executing the final sector, and ending the whole process.

The invention provides a method for nondestructively extracting rice spike character through X-ray-visible light dual-mode imaging. The method comprises the following steps: synchronously acquiring arice spike reflected light surface image and a transmission light image through a dual-mode imaging system, extracting rice spike neck, spike grain contour, rice grain contour, spike branch skeleton and like characteristics by applying ellipse detection, watershed segmentation, refining processing and Hough transform, obtaining a fusion image through image registration and establishing a mathematical characterization of the rice spike yield trait; representing the total spike grain number by adopting mark numbers of the rice spike grain visible light segmentation image communicating region; representing the grouting degree of the spike grain by adopting the ratio of a registered rice grain area to the rice grain contour area, thereby distinguishing filled grains and blighted grains, performing effective spike judgment and computing a seed percentage; calibrating through a standard sample, and establishing a thousand seed weight mathematical model by combining the spike grain region area integral based on the linear regression analysis and the least square method; computing the spike length, primary branch number, primary branch average length and secondary branch number through a rice spike skeleton path, and representing the grain setting density by using the ratio of the grain number and the spike length. The method provided by the invention has the advantages that the rick spike yield trait can be quickly and accurately acquired under the condition of not threshing and separating the filled grains and blighted grains, and a feasible path is provided for the application of the dual-mode imaging in the rice spike yield trait nondestructive analysis.

The present invention discloses the application of a soybean molecular marker and its polymorphism in the identification of branching number traits in soybean. The soybean molecular marker disclosed by the invention is a DNA molecule obtained by amplifying BRCH with a soybean genomic DNA as a template and a primer. BRCH consists of single-stranded DNA named BRCH_F and BRCH_R, BRCH_F is a single-stranded DNA that specifically binds to the 84th upstream of SEQ ID NO: 1 in soybean genomic DNA, and BRCH_R is a single-stranded DNA that specifically binds to the 84th downstream of SEQ ID NO: 1 in soybean genomic DNA. Experimental proof, Among the genotypes distinguished by the soybean molecular markers according to the present invention, the number of branches of the GG genotype soybean is significantly higher than that of the TT genotype soybean, indicating that the soybean molecular markers of the present invention are closely related to the number of branches of the soybean, can be used for identifying the number of branches of the soybean, and can also be used for soybean breeding according to the molecular markers of the soybean.