717 results about "Root growth" patented technology

The invention relates to the technical field of greenhouse environment control, in particular to a greenhouse environment control method and system. The method comprises the following steps: obtaining data of a crop cultivation stage and data of a soil monitoring sensor to obtain soil state monitoring filling data; then, identifying the abnormal fluctuation state of the soil acidity and alkalinity, and estimating the root growth inhibition degree according to the state to obtain root growth inhibition gradient data; secondly, predicting the soil looseness requirement according to the root inhibition data, and adjusting the soil acidity and alkalinity to realize balance adaptation; and then, based on the soil state data, carrying out adaptive control training, constructing a soil environment regulation and control model, and sending the soil environment regulation and control model to a cloud platform to execute greenhouse environment control. According to the invention, the greenhouse environment control technology is optimized, so that the greenhouse environment control technology is more perfect.

The indoor ornamental sympodial bamboo root control directional cultivation device comprises a fixing cylinder with an opening in the upper end, a plurality of ventilation grooves are inwards formed in the upper end and the lower end of the outer wall of the fixing cylinder, a partition plate is arranged at the position, close to the bottom, of the inner wall of the fixing cylinder, and the lower end of the partition plate and the bottom of the fixing cylinder are matched to form a water storage cavity; a plurality of through holes are inwards formed in the edge of the upper end of the outer wall of the partition plate, a planting barrel is detachably connected to the position, above the partition plate, in the fixed barrel, a limiting ring is arranged at the upper end of the outer wall of the planting barrel, a plurality of air holes distributed in an array mode are inwards formed in the outer wall of the planting barrel, and a plurality of limiting blocks are arranged at the upper end of the inner wall of the fixed barrel. A plurality of absorbent cotton ropes extending out of the upper end of the outer wall of the water storage cavity and extending into the planting cylinder are arranged at the bottom of the inner wall of the water storage cavity. According to the device, the root nesting condition can be avoided when indoor sympodial bamboos are cultivated, operation is easy, and directional growth of root systems can be controlled without frequent manual watering during cultivation.

A plant holder for holding an amount of rooting (growing) media in which plant roots develop that electrically isolates the plant roots from an electric field used to deliver water and plant nutrients to that rooting media via a high-voltage, low-current electrospray system. A conductive material disposed proximate the rooting media receives electrically charged droplets including water or nutrients and passes the water or nutrients to the rooting media while directing the electrical charge to ground.

The invention relates to a novel fertilizer containing seaweed oligosaccharide and application of the novel fertilizer in acidified cultivated land, and relates to the technical field of fertilizer.The novel fertilizer containing seaweed oligosaccharide comprises, by weight, 8-12 parts of seaweed oligosaccharide; 30-40 parts of lignite humic acid; 20-30 parts of a nitrogen-phosphorus-potassium compound fertilizer; and 10-12 parts of calcium silicate. The novel fertilizer is applied to acidified cultivated land and is also applied to promotion of plant root growth and improvement of plant acid resistance and immunocompetence. The fertilizer not only has the effect of improving acidified soil, but also is beneficial to the root growth of plants and improves the immunocompetence and acid resistance.

The invention provides a nutrient slow-release synergistic seedling transplanting disc and application thereof. The nutrient slow-release synergistic seedling transplanting disc is composed of a disc body and a seedling cup, the disc body is composed of two layers of materials including PBAT and PLA, the seedling cup is composed of three layers of materials, the inner layer is made of the PBAT material, the middle layer is a strip-shaped fertilizer belt made of macroelements, organic fertilizer, bacterial fertilizer and microelements, and the outer layer is made of the PLA material. The nutrient slow-release synergistic seedling transplanting disc integrates seedling raising and fertilization and can be used for seedling transplanting of grafted seed melons, seedling cups are directly transplanted into soil during transplanting, seedlings and the disc do not need to be manually separated, the seedling transplanting disc does not need to be recycled and transported after transplanting, the seedling cups in the soil isolate damage of salt, alkali and diseases and insect pests to seedling roots, and the seedling transplanting disc is convenient to use. Meanwhile, nutrient substances are slowly released, nutrients needed by melon seedlings are accurately met, the problem that an original seedling raising plate pollutes the environment is solved, and the problems that roots are damaged during transplanting, fertilization is balanced, the growth environment of the roots is poor and germs are harmed are solved.

The invention discloses a Chinese chestnut composite phosphate-solubilizing bacterial agent and application thereof, and belongs to the technical field of microorganisms. The invention provides a compound phosphate-solubilizing bacterial agent. The compound phosphate-solubilizing bacterial agent is prepared from phosphate-solubilizing bacteria GXLK-W6 and phosphate-solubilizing fungi GXLK-WZ1-1. The phosphorus-solubilizing bacteria GXLK-WZ1-1 are classified and named as Aspergillus niger, the preservation number of the bacteria is CGMCC (China General Microbiological Culture Collection Center) No.41390, the phosphorus-solubilizing bacteria GXLK-W6 are classified as Burkholderia pyrrolothrix, and the preservation number of the bacteria is CGMCC No.31124. The phosphorus-solubilizing bacteria GXLK-WZ1-1, the phosphorus-solubilizing bacteria GXLK-WZ1-1, the phosphorus-solubilizing bacteria GXLK-WZ1-1, the phosphorus-solubilizing bacteria GXLK-WZ1-1 and the phosphorus-solubilizing bacteria GXLK-WZ1-1 and The strains are independently separated from rhizosphere soil of Chinese chestnuts and are screened. And calcium phytate is added into the microbial inoculum to serve as a slow-release phosphorus source. The compound phosphate-solubilizing bacterial agent improves the growth amplification of Chinese chestnut seedlings, promotes the growth of root systems, and promotes the phosphorus absorption of plants. The compound phosphate-solubilizing bacterial agent can improve the dissolution efficiency of inorganic phosphorus in soil and increase the content of soluble available phosphorus, and plays an important role in improving the fertility of the soil.

The invention provides a fertilizer synergist for reducing nutrient loss and inhibiting nitrification and application of the fertilizer synergist. The fertilizer synergist is prepared from the following components in percentage by mass: 95 to 98 percent of carboxyl cross-linked modified montmorillonite, 0.05 to 0.1 percent of mannan oligosaccharide, 0.1 to 0.5 percent of mannan, 1 to 3 percent of polyaspartate and 0.5 to 2 percent of a nitrification inhibiting aid. According to the fertilizer synergist capable of reducing nutrient loss and inhibiting nitrification and the application of the fertilizer synergist, the fertilizer synergist serves as a plant nutrient loss control synergist and a nitrification inhibitor and can activate a crop stress resistance signal source, promote and induce synthesis of endogenous auxin in plants, root and growth, activate phosphorus and dissolve potassium, reduce nitrogen loss and improve the yield of the plants. The fertilizer utilization rate is improved.

The invention relates to the technical field of vegetation root system nondestructive testing, in particular to a multispectral vegetation root system identification system and method based on a differentiable physical engine, and the system comprises a multispectral LiDAR module which is used for transmitting near-infrared laser and short-wave infrared laser, scanning a target area, obtaining dual-wavelength reflectivity data, and determining the vegetation root system according to the dual-wavelength reflectivity data; generating a reflectivity ratio matrix by adopting a reflectivity ratio classification model; the differentiable physical engine is used for quantizing the dynamic relationship between the vegetation root growth rate and the soil resistance by adopting a coupling model according to the reflectivity ratio matrix, generating a physical model and updating the physical model at a preset time interval; and the data processing and three-dimensional modeling module is used for generating a three-dimensional root system model and a health assessment result according to the reflectivity ratio matrix and the physical model, and outputting the three-dimensional root system model and the health assessment result. According to the scheme, soil penetration and root system and foreign matter distinguishing can be carried out, the vegetation native environment is not damaged, dynamic monitoring analysis is carried out, and the accuracy of recognition analysis is improved.

The invention provides a degradable sodded strip for ecological restoration and a preparation method thereof, and belongs to the technical field of sodded strips, the degradable sodded strip comprises an upper-layer fiber web, a middle-layer seed and nutrient layer and a lower-layer grid which are sequentially laminated and compounded from top to bottom; the upper-layer fiber web is made of a hydrophilic degradable material and is used for absorbing moisture and preserving soil moisture; the middle seed and nutrient layer comprises plant seeds and a nutrient controlled release unit; the lower-layer grid is a three-dimensional grid which is made of a degradable high polymer material, has a three-dimensional communicated micropore structure and is used for mechanically guiding root growth; the nutrient controlled release unit is a microcapsule which takes a fertilizer as a core material and takes an environment response type polymer as a wall material, and the microcapsule is anchored in the fiber interweaving nodes of the lower layer grid through a cross-linking agent. According to the invention, environmental response type precise controlled release of plant rhizosphere nutrients and three-dimensional mechanical guidance of a root system growth path can be realized, and the utilization rate of the fertilizer and the survival rate and long-term stability of vegetation recovery under poor site conditions such as side slopes, river banks and mines are effectively improved.

The invention discloses a soybean phospholipid disease-preventing and root-promoting microbial agent as well as a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises a microbial composition, modified enzymolysis soybean phospholipid, a carrier and auxiliary components. According to the invention, the modified enzymolysis soybean phospholipid and microorganisms are combined to achieve a synergistic effect. According to the method, soybean phospholipid is modified and subjected to enzymolysis, and the steps of pretreatment, stepped low-temperature treatment, enzymolysis treatment, enzyme inactivation and purification and the like are carried out, so that the quality and performance of the soybean phospholipid are improved, the rhizosphere colonization rate of strains can be increased, the disease prevention and root promotion effects can be improved, the soil micro-ecological environment can be improved, and good growth conditions are created for plant root systems; and the disease-preventing and root-promoting effects of the microbial agent are further enhanced. The microbial agent disclosed by the invention can be used for remarkably reducing the morbidity of wheat sharp eyespot and reducing the use amount of chemical pesticides, can also be applied to planting of other crops, and can play a role in preventing and controlling various plant diseases and promoting root growth.

The invention provides a soilless culture high-yield planting method for herba epimedii, and belongs to the technical field of plant planting. The method comprises the following steps that under the condition that illumination is smaller than or equal to 20000 lux, a soilless culture substrate is used for artificially planting herba epimedii, according to the substrate humidity requirement and the root growth condition of the herba epimedii, an irrigation scheme is set, the feed-discharge ratio in different growth periods is adjusted, meanwhile, the water and fertilizer formula proportion is adjusted by combining detection of the plant nutrient content and detection of the feed-discharge ratio, and then the herba epimedii is planted. The survival rate and the technical yield of epimedium are improved. Compared with the prior art, the method has the advantages that the survival rate can be increased by 20%, the seedling recovery time is shortened by more than 15 days, the number of branches can be increased by 30% and the size of leaves can be increased by 20% within the same time, and the yield is increased by 50% from a field to an object cultivation technology by integrating the superior yields.

The invention relates to a composite microbial agent suitable for saline-alkali soil remediation of sorghum production in northeast alpine regions, and a preparation method and application thereof. The composite microbial agent comprises bacillus subtilis, bacillus mucilaginosus and pseudomonas fluorescens. Bacillus mucilaginosus capable of efficiently producing polyglutamic acid and potassium and pseudomonas fluorescens capable of secreting chitinase are separated and screened from obstacle soil in northeast alpine regions, and field trials are carried out in the obstacle soil (coastal saline-alkali soil) in the northeast alpine regions. The low-temperature slow-release fertilizer has the unique characteristics of secreting polyglutamic acid, potassium and chitinase under the low-temperature condition, is low in cost, and can effectively improve the physical and chemical properties of soil, increase the seed emergence rate, stimulate the root growth and enhance the salt resistance and alkali resistance of seedlings after being applied.

The invention belongs to the field of muskmelons, and particularly relates to a muskmelon seedling stage root system premature ability evaluation method. According to the melon seedling stage root system early emergence capability evaluation method, black soil is used as a medium to cultivate plant seedlings in batches, image analysis and data acquisition are facilitated, the measured main root length, lateral root total length and lateral root number variation range distribution is uniform and continuous, variation difference is remarkable, and the method is suitable for large-scale popularization and application. The difference of root growth conditions of different plant materials can be reflected. The evaluation method provided by the invention can be used for evaluating the early germination capability of different muskmelon materials, so that the experiment time is saved, the experiment repeatability is high, the stability is high, the data reproducibility, repeatability and stability are relatively good, the evaluation of the early germination capability of the root systems of a plurality of muskmelon materials can be completed at one time, and the evaluation method has a wide application prospect. The high-throughput evaluation of the early-growing capability of the melon root system is realized.

The invention provides a method for promoting growth of an anoectochilus formosanus root system. According to the method for promoting the growth of the anoectochilus formosanus root system, the anoectochilus formosanus root system growth promoting solution is adopted to carry out root irrigation operation on the anoectochilus formosanus plant, so that the anoectochilus formosanus root system growth promoting solution infiltrates the root of the anoectochilus formosanus Wherein the anoectochilus formosanus root system growth promoting solution is an endophytic fungus culture solution of orange yellow phoenix flower. According to the method for promoting the growth of the anoectochilus formosanus root system, the growth of the anoectochilus formosanus root system can be effectively promoted, so that the rapid growth of an anoectochilus formosanus plant is promoted.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to application of a soybean low-phosphorus-tolerant gene GmVQ32 in improving low-phosphorus stress tolerance of plants. The soybean low-phosphorus-tolerant gene GmVQ32 disclosed by the invention can be used for enhancing the root growth and phosphorus absorption efficiency of plants by positively regulating the response of plant root systems to low-phosphorus stress, so that the adaptability of the plants to a low-phosphorus environment is improved.

The invention discloses a polypeptide and application thereof in regulation and control of plant development, and relates to the technical field of biology. The invention specifically discloses any polypeptide from A1) to A3) as shown in the following: A1) a polypeptide with an amino acid sequence as shown in SEQ ID NO: 1; a2) a polypeptide which is obtained by substitution and / or deletion and / or addition of more than one amino acid residue on the amino acid sequence as shown in SEQ ID NO: 1 and has the function of regulating plant growth and development; and A3) a fused polypeptide obtained by connecting a tag to the N end and / or C end of A1) or A2). The polypeptide can effectively regulate and control root system growth and root regeneration of plants, can be well applied to improvement of plant varieties, and has important practical value for plant breeding work.

The invention belongs to the technical field of soil improvement, and particularly relates to a soil activation method. The soil activation method comprises the step of applying a Govff soil antidote into soil, wherein the Govff soil antidote comprises Govff soil antidote granules, Govff soil antidote powder and a Govff soil antidote aqueous solution. The invention solves the problems of reduced physical and chemical properties of soil, reduced grape quality and the like caused by the input and retention of major elements of nitrogen, phosphorus and potassium in the soil in the current Xichang Clenon grape cultivation process, and can improve the resistance of grape vines, promote the germination, flowering and fruit setting of grapes, enhance the root growth, enhance the root activity, increase the thickness and flexibility of leaves and improve the yield of the grapes. Meanwhile, the proportion of beneficial bacteria in soil is increased, soil micro-ecological balance is restored, the yield of grapes is increased, grape fruit cracking is reduced, the influence of grapes on resisting diseases, drought and other adverse environments is increased, and guarantee is provided for yield increase.

The invention relates to the field of agricultural planting equipment, and discloses a millet film mulching and precise hole sowing device which comprises a machine body, a liquid storage box is installed on one side of the top of the machine body, a quantifying box is installed on one side of the top of the liquid storage box, and a mounting box is fixedly connected to one side of the top end of the quantifying box; two adjusting grooves are sequentially formed in one side of the bottom of the mounting box, a movable plate is elastically connected to the inner wall of the mounting box through a tension spring, a motor is mounted on the outer side of the quantitative box, and the driving end of the motor penetrates through the outer surface of the quantitative box and is fixedly connected with a driving rotary disc. On the basis of film covering, through reasonable fertilization design, soil moisture loss is reduced, the moisture retention of soil is improved, the seed germination environment is effectively improved, root growth is promoted, and the stress resistance and early growth vigor of crops are enhanced. Meanwhile, the quantitative fertilization function can ensure that each seeding hole obtains accurate fertilizer supply, and the phenomenon that the fertilizer is excessive or insufficient in a traditional fertilization mode is avoided.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a compound conditioner for treating sulfate type saline-alkali soil and application of the compound conditioner. The compound conditioner is formed by compounding hydrotalcite, acidic zeolite and humic acid; wherein the hydrotalcite is nitrate intercalated MgAl-LDH or MgFe-LDH, and the molar ratio of divalent metal ions to trivalent metal ions of the hydrotalcite is (2: 1)-(4: 1); the acidic zeolite is clinoptilolite treated by a nitric acid solution; the humic acid is mineral source humic acid, and the purity of the humic acid is greater than 80%. The compound conditioner disclosed by the invention can mineralize Na < + > and SO4 < 2-> which are too high in content in saline-alkali soil, reduce the salt content and pH and prevent plants from osmotic stress and alkaline toxicity; the content of nitrate nitrogen and organic matters in soil is increased, and nutrient substances are provided for plants; the soil structure is improved, the water-retaining property and the air permeability are enhanced, the soil bulk density is reduced, and plant germination and root growth are facilitated.

A novel hollow tine aerator has been developed that features a bevel tip and bevel ejection system for enhanced soil penetration and seamless soil core removal. This innovative design addresses the limitations of conventional aerators, enabling efficient soil aeration and improved turfgrass health. The bevel tip design, with its inclined cutting edge, minimizes resistance and facilitates smoother penetration of hard or compacted soil. The bevel ejection system, comprising an angled base on top of the tine, guides the soil core upwards and exits through the open groove, eliminating the need for manual intervention. The integration of the bevel tip and bevel ejection system offers several benefits over conventional aerator designs. Enhanced soil penetration enables deeper aeration, promoting root growth and nutrient uptake. Seamless soil core removal eliminates the need for manual dislodgement, saving time and labor. Reduced operator fatigue enhances comfort and efficiency during aeration tasks.

The invention relates to the technical field of data processing, in particular to a sweet potato root tuber growth state monitoring system based on spectral imaging analysis, and the system comprises a data collection module which is used for collecting a spectral signal curve of a target sweet potato root tuber and smoothing the spectral signal curve to obtain a target spectral signal curve; the curve division module is used for acquiring at least two continuous target spectral signal curves, mapping all the target spectral signal curves to the same two-dimensional plane, and dividing all the target spectral signal curves in the two-dimensional plane into at least two spectral signal sub-curve sets; the curve correction module is used for acquiring the soil reflection abnormal degree of the spectral signal sub-curve set and correcting the reflection intensity of each spectral signal on each target spectral signal curve; and the state monitoring module is used for monitoring the growth state of the target sweet potato tuberous roots according to each corrected target spectral signal curve, so that the accuracy of monitoring the growth state of the sweet potato tuberous roots is improved.

The present disclosure relates to engineered RNA m6A demethylases with disrupted low complexity regions (LCRs) for expression in plants, as well as recombinant DNA encoding the engineered RNA m6A demethylases, vectors encoding the recombinant DNA, plants including the engineered RNA m6A demethylases, and method of improving the growth of plants using the engineered RNA m6A demethylases, including increased root growth and elevated photosynthesis. The present disclosure further relates to methods of improving growth of a plant, including increased root growth and elevated photosynthesis, by modifying endogenous ALKBH5 homolog genes to include disrupted LCRs, and plants produced by those methods.

The invention discloses a crop planting substrate for promoting rhizome system development and a preparation method thereof. The substrate comprises the following components by volume ratio: 10-20% of straw biogas residue; 50-60% of peat; 15 to 25% of vermiculite; 15 to 25% of perlite; wherein the substrate further comprises a functional additive, and the functional additive is selected from one or more of potassium fulvate, chitosan or plant growth promoting flora. The crop planting substrate provided by the invention significantly promotes the development of rhizome systems through the synergistic effect of the organic-inorganic composite system and the functional additive. The layered structure design optimizes the slow-release effect of water and fertilizer, the water-absorbent resin enhances the water-retaining property, the slow-release fertilizer particles provide continuous nutrients, and the pH regulator maintains a suitable acid-base environment. Compared with a traditional substrate, the volume weight, the total porosity and the gas-water ratio of the substrate are more suitable for root growth, and the substrate is especially suitable for seedling raising of crops such as rice and traditional Chinese medicinal materials.

The invention belongs to the technical field of crop seedling raising methods, and particularly discloses a root growth promoting agent suitable for rooting of sliced ginger, a ginger slicing seedling raising method and application. According to the method disclosed by the invention, before ginger planting, a root growth promoting agent is used, the root growth promoting agent comprises a 200-fold diluted solution of naphthalene B sodium nitrate, a 500-fold diluted solution of a microbial agent polyglutamic acid, a 500-fold diluted solution of plant rooting powder and a 10000-fold diluted solution of mepiquat chloride, and the four components realize synergistic interaction, so that the comprehensive indexes of the aboveground part of the ginger cut-block seedling, the plant growth amount and the seedling root system are optimal. According to the method, intensive early seedling raising is achieved through dicing, the ginger field planting time is shortened by more than 50 days, and crop rotation is facilitated; seedlings are neat and consistent, the root activity is high, the field survival rate and mechanical operation of the seedlings are improved, and the labor efficiency is improved. The technical method is simple, the production cost is low, the seedling rate is high, and direct economic benefits are embodied in production.

The invention relates to the field of agricultural planting, in particular to an inflatable water-injection air column type mist cultivation planting groove which comprises a planting groove body and X frames, a groove cover is installed on the upper end face of the planting groove body, groove holes are symmetrically formed in the upper end face of the groove cover in a front-back mode, a plurality of X frames are installed above the groove holes from left to right, and the X frames are connected through transverse rods. A vine climbing net is arranged at the inner side end of the X frame, a laser perforated water hose is arranged at the bottom in the planting groove body, and a liquid supply pipe is installed on the right side end face of the laser perforated water hose. And the phenomena that the black material absorbs heat in the sun, air pressure in the air column rises and explodes, and crop root growth is affected by too high temperature are avoided.

The invention discloses an application of a low phosphorus stress resistant gene GmLNG5 of a plant. The research on the soybean GmLNG5 gene shows that the GmLNG5 positively regulates the soybean root growth and phosphorus efficiency, is mainly expressed in the soybean root, and enhances the expression under the stress of low phosphorus; the GmLNG5 regulates and controls the growth of the soybean root system by mediating the longitudinal extension of root tip cells, the overexpression of the GmLNG5 gene increases the cell lengths of the extension region and the mature region of the soybean in-vitro hair root tip, the biomass of the in-vitro hair root and the phosphorus content, the plant growth is promoted under low phosphorus stress, and the GmLNG5 gene can be used for cultivating low-phosphorus-resistant plant varieties. The GmLNG5 gene provided by the invention plays an important role in promoting soybean root growth and improving soybean phosphorus efficiency.

The invention discloses a monitoring and analyzing system for root systems of plant slope protection in a mining area. According to the method, morphological enhancement and deep learning technologies are creatively fused through the root system image recognition unit, and the problem that the root system microstructure is difficult to capture in a complex soil background in a traditional method is effectively solved. The unit is based on a multi-scale feature fusion algorithm, can automatically extract key morphological parameters such as root system topology fractal dimensions and the like, remarkably improves the fine root recognition rate, and enables slope protection plant type selection and layout to better fit actual geological conditions. The root growth prediction unit integrates an environmental constraint model and biological rhythm characteristics, realizes accurate prediction of a root extension trend by dynamically coupling parameters such as soil water potential and nutrient concentration, helps managers to plan a reseeding scheme in advance, and avoids the risk of slope instability caused by lagging of root development.

The invention provides a method for retarding soil acidification and increasing the content of fixed inorganic carbon in soil, and relates to the technical field of soil improvement. According to the method, the wollastonite is firstly crushed, then the crushed wollastonite is uniformly spread on the surface of the soil and then mixed into a soil plough layer, and the improvement of retarding soil acidification and increasing soil fixed inorganic carbon is realized. The crushed wollastonite is spread on the surface of the soil and then mixed into a plough layer to generate stable bicarbonate which is beneficial to sealing of inorganic carbon in the soil, acidic substances in the soil can be remarkably neutralized, the soil acidification process is relieved, the air permeability and the water binding capacity of the soil are improved, and then the fertility of the soil is improved; crop root growth is promoted, nutrient absorption of plants is improved, crop yield and quality are further improved, and the method is an efficient and low-cost acidified soil improvement technology.

The invention discloses a method and a system for analyzing a root system growth state image after seedling transplantation, and particularly relates to the technical field of root system growth state image analysis. Based on an identifier between a single seedling and an image acquisition device, a root zone image time sequence acquisition and numbering system is constructed, and a shallow buried near-infrared imaging device is adopted to obtain a multi-frame image sequence; and through image rasterization, alignment resampling and structure enhancement processing, a root system atlas with space consistency and boundary separability is formed. Further extracting an edge migration vector field and a root tip active region, calculating a root tip active change rate and a root system increment density gradient, fusing to generate a recovery trend index, and combining a trend label and a structural feature vector to construct an activity grade judgment and response suggestion map, so as to realize intelligent analysis and management decision of a root system recovery state. The problems that root system state recognition lags behind, judgment subjectivity is high, and dynamic quantitative support is lacked are effectively solved.

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.