422 results about "Sorghum" patented technology

The invention discloses a SbWRKY51 gene, a promoter and application of the SbWRKY51 gene and the promoter in improvement of salt tolerance of sorghum, and belongs to the technical field of plant genetic engineering. The SbWRKY51 gene is screened from sorghum, and the expression level of the SbWRKY51 gene is up-regulated after salt stress treatment. The protein coded by the gene belongs to a WRKY transcription factor family, has transcriptional activation activity, and can start the expression of a reporter gene. Sorghum overexpression strains and complementary strains of the gene are obtained, salt tolerance related physiological indexes are measured, overexpression of the gene can improve the seed germination rate, increase the seed root length, regulate ion balance and enhance the free radical scavenging capacity of plants, and the effect of the gene in the aspect of improving the salt tolerance is embodied. A further research finds that the SbWRKY51 gene can enhance the plant salt tolerance by regulating a lignin synthesis pathway. The technical scheme provides a basis for cultivating resistant plants, and has important guiding significance for enhancing the production potential of sorghum under a high-salt condition and promoting agricultural development.

The invention belongs to the technical field of biotechnology and agricultural biological breeding, and relates to a sorghum double haploid breeding method which comprises the following steps: (1) performing gene mutation on SbMTL and SbDMP to obtain a sorghum double-gene mutant strain according to any one of claims 1 to 3; (2) screening and identifying sorghum haploids by using GFP (Green Fluorescent Protein) marker and Ruby marker genes; and (3) naturally doubling the obtained haploid plant to obtain the double haploid of sorghum. SbMTL and SbDMP genes of sorghum are knocked out by utilizing a CRISPR / Cas9 technology so as to realize high-frequency haploid induction, meanwhile, an effective haploid selection marker is introduced, the induction frequency of a haploid induction system is evaluated, and after the obtained haploid plant is naturally doubled, a double-haploid system of sorghum is successfully obtained. The induction efficiency of the sorghum haploid induction line reaches up to 18% or above, the economic value is high, and the process of sorghum breeding is remarkably promoted.

The invention discloses a special bacterial fertilizer for sorghum and application of the special bacterial fertilizer in prevention and control of sorghum diseases, and belongs to the technical field of microbial fertilizers and agriculture. The special bacterial fertilizer for sorghum comprises the following components in parts by weight: 8-10 parts of a composite microbial agent, 40-50 parts of sorghum residues, 5-10 parts of bentonite, 1-2 parts of potassium humate, 1-2 parts of composite trace elements, 10-20 parts of sawdust and 10-20 parts of rice bran, wherein the complex microbial inoculant consists of a bacillus subtilis microbial inoculant, a rhizobium microbial inoculant, a bacillus velezensis microbial inoculant and a trichoderma harzianum microbial inoculant. The special bacterial fertilizer for sorghum provided by the invention contains rich microorganisms and nutrient substances, and can effectively prevent and control sorghum diseases and enhance the disease resistance of sorghum. The components such as microorganisms and organic acids in the special bacterial fertilizer for sorghum can promote the formation of soil organic matters, improve the soil structure, improve the soil quality and effectively improve the growth environment of sorghum.

The invention provides a moniliella malayi and a fungicide and application thereof, and relates to the field of microorganisms. The acer rubrum is specifically acer rubrum RA, and the preservation number of the acer rubrum RA is CGMCC (China General Microbiological Culture Collection Center) No.35889. The acer rubrum RA can be used for preparing the acer rubrum. The strain has the capability of decomposing inorganic phosphorus, is wide in phosphorus-dissolving range, can decompose tricalcium phosphate, iron phosphate and aluminum phosphate, and particularly still has very strong capability of decomposing inorganic phosphorus under a low-temperature condition; the strain has the capability of producing siderophore and IAA at low temperature; the strain has an inhibition effect on various pathogenic bacteria causing field crop diseases, and can inhibit diseases such as corn root rot, sorghum leaf spot or wheat root rot; the strain can be colonized in a soil environment of 5-40 DEG C, a microbial inoculum prepared from the strain can promote crop growth, the crop yield is remarkably improved, and high yield can be achieved even if the usage amount of phosphate fertilizer is reduced.

The invention provides a cronobacter malonate strain and application thereof, the strain is preserved in China Center for Type Culture Collection on January 15, 2025, the preservation date is January 15, 2025, and the preservation number is CCTCC M 2025146. The strain has excellent capability of producing 4-vinyl guaiacol, and the yield in a sorghum juice fermentation culture medium is 2.70 + / -0.15 mg / L; meanwhile, the strain can resist ferulic acid and has good capability of converting ferulic acid to generate 4-vinyl guaiacol, and when 0.1% (w / w) of ferulic acid is added into a fermentation culture medium, the content of 4-vinyl guaiacol reaches 2.68 + / -0.04 g / L. The strain is applied to production of Maotai-flavor liquor, the content of 4-ethyl guaiacol in raw liquor reaches 3.20 + / -0.26 mg / L and is remarkably increased by 223.23% (P is smaller than 0.01) compared with the content of 4-ethyl guaiacol without the strain, the Maotai flavor is prominent through sensory evaluation, the flower, fruit and burnt flavor is obvious, and the strain has important significance on improvement of the health quality of the liquor.

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 discloses Klebsiella and application thereof, and belongs to the technical field of microorganisms. According to the invention, firstly, a strain LLMJ-DNXJ-01 with high yield of tannase is screened from wine-making yeast, the identification result shows that the strain belongs to klebsiella, then the tannase activity of the strain is investigated, and the result shows that the enzyme activity reaches 8.8 + / -0.02 U / mL. In addition, the invention also investigates the application of the strain in degrading sorghum tannin, the sorghum tannin degradation rate reaches 34.95%, and isoamyl alcohol, isopentenol, caryophyllene, phenethyl alcohol, 4-vinyl guaiacol and other volatile aroma substances with Daqu characteristics can be generated through fermentation. Therefore, by integrating the tannase production capability of the strain LLMJ-DNXJ-01 and the sorghum tannin degradation and fermentation aroma production capability, the strain has relatively good development potential in the aspects of manufacturing of reinforced yeast for making hard liquor and quality improvement and aroma enhancement of white spirit.

The invention discloses a sorghum brown midrib mutant gene bmr34 related to high digestibility and application of the sorghum brown midrib mutant gene bmr34. The haplotype of the mutant gene bmr34 can specifically reduce the lignin content by 2.99% without affecting the biological yield. The invention provides the KASP marker which can accurately locate the bmr34 gene of sorghum and is closely linked with the bmr34 gene of sorghum, so that the breeding efficiency can be greatly improved, the breeding process is accelerated, and the KASP marker has important theoretical and practical significance for improving the quality of sorghum feed.

The invention discloses a biochar-reinforced hydrogel slow-release fertilizer and a preparation method thereof, and relates to the technical field of fertilizers. Comprising the following steps: S1, preparing sorghum straw biochar; s2, adding the sorghum straw biochar and a potassium nitrate and ammonium dihydrogen phosphate solution into a polymer monomer mixed solution to obtain a biochar gel mixed solution; s3, adding the genipin solution into the biochar gel mixed solution, stirring, performing ultrasonic treatment, freezing and unfreezing to obtain the biochar reinforced hydrogel slow-release fertilizer. Aiming at the technical defects of the hydrogel slow-release fertilizer, the performance of the hydrogel slow-release fertilizer is modified and enhanced by utilizing the biochar, and the biochar-enhanced hydrogel slow-release fertilizer is formed. The preparation method is simple in process and convenient to operate, the raw materials are cheap and easy to obtain, the cost is low, and the prepared biochar reinforced hydrogel slow-release fertilizer has the advantages of good slow-release performance, high water retention capacity and environmental stability, and is of great significance in popularization and application of the hydrogel slow-release fertilizer.

The invention relates to the technical field of food engineering, and discloses pediococcus acidilactici, a microbial agent containing the pediococcus acidilactici, application of the microbial agent, sorghum fermented food and a preparation method of the sorghum fermented food. The preservation number of the pediococcus acidilactici is GDMCC (China General Microbiological Culture Collection Center) No.65676, and the pediococcus acidilactici can be used for preparing the pediococcus acidilactici. The microbial agent contains pediococcus acidilactici and auxiliary bacteria. According to the sorghum fermented food obtained through fermentation treatment of the fungicide, antinutritional factors such as tannin in sorghum can be converted into urolithin, hydrolysis of protein, fat and starch can be promoted, the utilization rate of the sorghum is increased, the quality and flavor of fermented products are improved, the fermentation period is shortened, the shelf life is prolonged, and high economic benefits are achieved.

The invention relates to the technical field of preparation processes, and discloses ancient Huangtai liquor, which is prepared from the following components in percentage by weight: 50 to 55 percent of base liquor, 10 to 15 percent of medicinal and edible traditional Chinese medicinal material extract, 2 to 4 percent of honey, 0.1 to 2 percent of flavor regulator and the balance of purified water, the medicinal and edible traditional Chinese medicinal materials comprise at least one of angelica sinensis, lily, radix ophiopogonis, Chinese dates, Chinese wolfberry fruits, American ginseng, rhizoma polygonati, papayas, astragalus membranaceus and poria cocos, and the liqueur is prepared through the processes of stepped extraction, compound blending, ultrasonic-assisted homogenization, dynamic ageing and membrane filtration. According to the invention, through a stepped extraction process, temperature and time are regulated and controlled in stages, volatile components are preferentially extracted at low temperature, and then non-volatile substances are extracted at medium temperature, so that effective components in the traditional Chinese medicinal materials are fully extracted, the natural flavor of the traditional Chinese medicinal materials is retained, the extraction rate of the effective components is improved, and the flavor level of the liqueur is enriched.

The invention provides a gene SbERF71 capable of improving waterlogging tolerance of sorghum, protein, application and a breeding method, and belongs to the technical field of crop breeding. On the basis of a sorghum plant with waterlogging tolerance, it is determined that SbERF71 is a key gene affecting the waterlogging tolerance of sorghum through RNA extraction and library building, RNA-Seg data analysis, weighted gene co-expression network analysis (WGCNA) and other methods. The SbERF71 gene is related to gene expression of various stress reaction pathways (such as energy metabolism and aero-tissue formation) in sorghum, is a central regulatory factor of sorghum waterlogging, and is beneficial to reaction of sorghum to flooding stress, expression height up-regulation of sorghum in a flooding stress environment and enhancement of flooding resistance of sorghum, so that sorghum can adapt to waterlogging stress. The invention reveals that sorghum can adapt to molecular and physiological mechanisms of waterlogging stress, provides a new direction for breeding of sorghum waterlogging-resistant varieties, and makes a contribution to food safety in waterlogging agricultural areas.

The invention provides a special seedling-stage fertilizer for improving crop drought resistance and promoting growth and a preparation method thereof, and belongs to the technical field of fertilizers. The special fertilizer for the seedling stage comprises the following components in parts by mass: 60-100 parts of a compound fertilizer, 5-15 parts of a water pteris vittata extract, 5-10 parts of a seaweed extract, 3-7 parts of a compound microbial agent, 2-6 parts of proline, 0.1-0.3 part of calcium lignosulphonate and 0.1-0.3 part of tetrasodium glutamate diacetate. The special fertilizer for the seedling stage is suitable for various crops such as corn, soybeans, wheat, flax and sorghum, and the drought resistance and the biological accumulation amount of crop seedlings can be remarkably improved. The invention provides a simple, convenient, economical and effective solution for drought-resistant cultivation of crops, and has a better market application prospect.

The invention relates to the technical field of molecular marker development and molecular marker assisted breeding, and particularly discloses a KASP molecular marker related to salt tolerance of sorghum, a primer and application of the KASP molecular marker and the primer, the KASP molecular marker is ST1.1 as shown in SEQ ID NO.1, and the molecular marker has T / C polymorphism at a basic group at 100bp of the sequence as shown in SEQ ID NO.1. The KASP molecular marker ST1.1 provided by the invention is used for identifying the salt tolerance of sorghum, through KASP genetic typing detection, the genotype of a sample with a strong FAM fluorescence signal is T / T, and the sample is a salt-tolerant germplasm; the genotype of the sample with strong HEX fluorescence signal is C / C, and the sample is a salt-sensitive germplasm.

The invention discloses application of a sorghum SbMyb1 gene to regulation and control of grain yield, tannin and anthocyanin, and relates to the field of plant genetic engineering. The invention specifically discloses an application of a SbMyb1 gene or a related biological material thereof in regulation and control of plant economic traits. Experiments prove that the SbMyb1 gene encoding the protein with the amino acid sequence shown as SEQ ID NO: 2 can negatively regulate and control yield-related traits such as grain length and grain weight and positively regulate and control the content of secondary metabolites such as grain tannin and anthocyanin, has a good application prospect in high-yield, high-quality and stress-resistant molecular design breeding, and has a wide application prospect. And a new research thought is provided for the SbMyb1 gene to participate in the grain development process through the function exertion of the MBW complex.

The invention discloses a method for classifying imperfect sorghum grains based on hyperspectral decision-level data fusion, which comprises the following steps of: taking sorghum as a research object, collecting hyperspectral spectrum information of the sorghum, respectively extracting statistical texture and frequency domain texture of a grayscale image, simultaneously extracting spectral information, analyzing overlapping and difference of characteristic peaks, and determining a characteristic wave band; respectively establishing a random forest and a long and short time sequence network classification model based on various kinds of preprocessed spectrum information and image texture information; on the basis of the baseline model, model classification performance is compared, and a cross-domain feature level fusion model is established; performing feature screening and data dimension reduction on the spectral information and the texture information to establish an intermediate data fusion model; and finally, realizing decision level fusion through Bayesian consensus and a weighting mechanism. Through the data fusion method under different levels, the data dimension is reduced, the model performance and robustness are improved, and an efficient solution is provided for development and practical application of sorghum nondestructive testing.

The invention discloses a deep learning-based precise sorghum fertilization amount dynamic adjustment method and system, and relates to the technical field of deep learning-based fertilization amount control. According to soil nutrient concentration and sorghum root physiological index data, a time sequence analysis method is adopted to generate a time sequence change sequence of root absorption capability; and inputting a pre-trained deep learning model to determine a nitrogen-phosphorus-potassium demand difference value. And when the demand difference value exceeds a preset demand threshold value, optimizing a fertilization amount ratio by using a convolutional neural network, simulating a response of a root system to fertilization adjustment in combination with a recurrent neural network, and outputting a target fertilization regulation and control scheme when it is detected that a predicted response accords with an expected yield index, so that equipment is controlled to perform fertilization subsequently according to the target fertilization scheme. According to the method, a nonlinear mapping relation between the fertilization amount and the physiological response of the sorghum root system is established through a deep learning technology, and the fertilization proportion of nitrogen, phosphorus and potassium is dynamically adjusted in combination with time sequence data, so that precise sorghum fertilization amount regulation is realized.

The invention discloses bacillus amyloliquefaciens BA-6 and application of the bacillus amyloliquefaciens BA-6 in prevention and treatment of corn leaf spot disease, and relates to the technical field of screening of biocontrol strains for prevention and treatment of corn leaf spot disease. The strain BA-6 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on March 27, 2024, the preservation number is CGMCC No.30157, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the strain is classified and named as Bacillus amyloliquefaciens. The strain can effectively antagonize Epicoccum nigrum, Epicoccum broomcorn, Helminthosporium maydis, Alternaria alternata and Helminthosporium bombycis, pot experiments show that fermentation broth inoculated with the strain can improve the prevention and treatment effect on the corn leaf spot disease, and a theoretical basis is provided for subsequent development of a biocontrol microbial inoculum for the corn leaf spot disease.

The invention discloses a sorghum canopy nitrogen concentration prediction method and device, a medium and a product, and relates to the technical field of nitrogen concentration prediction, and the sorghum canopy nitrogen concentration prediction method comprises the steps: obtaining a target multispectral image; the target multispectral image is a multispectral image comprising the canopy of the sorghum to be predicted in the current period; based on the target multispectral image, determining a background-removed multispectral orthographic image of the sorghum to be predicted; determining a plurality of optimal remote sensing variables and a plurality of optimal texture features of the to-be-predicted sorghum based on the background-removed multispectral orthographic image of the to-be-predicted sorghum; and inputting the plurality of optimal remote sensing variables and the plurality of optimal texture features of the to-be-predicted sorghum into the nitrogen concentration prediction model to obtain a predicted value of the canopy nitrogen concentration of the to-be-predicted sorghum in the current period. The method can be used for predicting the nitrogen concentration of the sorghum canopy in real time.

The invention discloses a plant anti-lepidoptera pest related gene MIW1 and application thereof, and relates to the technical field of gene engineering, the MIW1 gene is derived from arabidopsis thaliana, the nucleotide sequence of the MIW1 gene is as shown in SEQ ID NO.1, and the amino acid sequence of an encoding protein of the MIW1 gene is as shown in SEQ ID NO.2. The invention proves that the arabidopsis thaliana MIW1 gene can mediate RPX1 to resist plutella xylostella for the first time, and participates in pest resistance by promoting RPX1 protein degradation, so that the plant anti-lepidoptera pest related gene MIW1 can be used for preventing pests. As a new insect-resistant gene of a model plant, the arabidopsis MIW1 gene has high reference value and significance, and provides a new research thought for insect-resistant breeding of economic crops such as oilseed rape, corn, rice, sorghum and the like.

The invention discloses a wine sorghum production base ecological environment fixed-point monitoring point layout method, and belongs to the technical field of environment monitoring. According to the method, key ecological environment resource characteristics such as climate, soil, landform and the like are systematically integrated, and monitoring points are scientifically arranged, so that the spatial representativeness and ecological rationality of the points are remarkably improved, and the real ecological conditions of the production place of the sorghum for wine can be more comprehensively and accurately evaluated; and reliable scientific support is provided for analysis and application of subsequent sampling data. The method further strengthens the internal correlation between the ecological environment of the high-quality producing area and the sorghum yield and quality, optimizes the monitoring point layout of the sorghum planting area, and lays a solid foundation for improving the sorghum quality and guaranteeing the raw material supply stability. Besides, through accurate monitoring and data analysis, the action mechanism of ecological environment factors on sorghum quality formation can be deeply revealed, and a scientific basis is provided for formulating targeted cultivation technical measures and realizing high-quality development of the sorghum industry.

The invention relates to the technical field of unprocessed grain analysis, and provides a sorghum glutinous property discrimination method and device based on spectrum and visual data coupling in order to improve the accuracy of sorghum glutinous property discrimination. A sorghum sample glutinous property database is constructed, and mid-infrared spectrum data is processed by adopting a one-dimensional residual convolutional neural network, so that the sorghum glutinous property discrimination accuracy is improved. Meanwhile, spatial structure features of visual images are introduced by adopting a convolutional neural network, so that collaborative learning and feature complementation of multi-modal information are realized; the method not only overcomes the limitation of spectrum or image single-mode identification, but also improves the complex feature extraction capability and discrimination precision through the deep learning model, improves the stability and robustness of the model, and has higher adaptability and generalization performance.

The invention belongs to the field of animal feed, and particularly relates to a method for predicting sorghum amino acid digestibility of white feather broilers. Comprising the following steps: determining the chemical component content of sorghum from different producing areas; preparing test feed and feeding the white feather broilers; determining the standard ileum amino acid digestibility of the white feather broilers of the sorghum from different producing areas in a certain day age; and determining a white feather broiler sorghum standard ileum amino acid digestibility prediction equation. The established prediction equation can accurately predict the standard ileum amino acid digestibility of the white feather broiler sorghum, so that the method plays a practical guiding role in efficient utilization of sorghum resources and accurate preparation of feed.

The invention belongs to the technical field of molecular biology, bioinformatics, sorghum genetics and whole-genome gene chips, and particularly relates to a sorghum whole-genome SNP molecular marker combination developed based on a targeted sequencing technology, a 10K liquid chip and application of the sorghum whole-genome SNP molecular marker combination and the 10K liquid chip. The SNP molecular marker combination comprises 10,000 SNP loci, and the specific information of the 10,000 SNP loci is as shown in a table 1; the physical positions of the 10000 SNP loci are determined by performing sequence alignment based on a reference genome of the wine red tassel sorghum variety HYZ-T2T with the version number of v1.0. A liquid chip developed based on the SNP molecular marker combination provided by the invention can be effectively applied to genetic diversity analysis, whole genome association analysis, genetic typing, molecular marker-assisted selective breeding, whole genome selective breeding and other applications of sorghum germplasm resources.

The invention provides a method and system for identifying sorghum varieties based on spectrum reconstruction and a storage medium, and belongs to the technical field of sorghum variety identification. The method comprises the following steps: acquiring hyperspectral data of a sorghum grain sample and a corresponding pseudo RGB image through a hyperspectral image acquisition system; a mapping relation between pseudo RGB and hyperspectral data is established by using an ASTEM-MST + + model, a spectrum reconstruction model is established, and the ASTEM-MST + + model integrates an adaptive feature enhancement module into a multi-stage spectrum converter network, so that the sorghum spectrum reconstruction quality is improved. A real RGB image of a sample collected by an industrial camera replaces a pseudo RGB image to be input into a reconstruction model, corresponding hyperspectral data is reconstructed, then a region of interest is obtained, spectral data is extracted, variety labels are calibrated and then input into an SSA-RF model for training, a variety identification model is constructed, and the sorghum variety is identified.

A manual sorghum threshing device belongs to grain threshing devices and comprises a first unit, the first unit comprises a protective glove, the protective glove comprises a finger portion and a palm portion, a protective plate is arranged on the finger portion and / or the palm portion, and spine protrusions used for increasing friction force are arranged on the protective plate; the second unit comprises two unit bodies of the same structure, the two unit bodies are hinged, a threshing plate is fixedly arranged relative to the inner side faces of the unit bodies, the other side of the threshing plate is an arc-shaped edge, and edge teeth used for threshing are arranged on the arc-shaped edge. After the two unit bodies are buckled, the threshing plates arranged on the two unit bodies are matched to form a ring structure allowing sorghum stalks to penetrate through. The small-scale sorghum threshing device can achieve small-scale manual sorghum threshing, is simple and reasonable in structural design, convenient to use and low in cost, and can achieve high-efficiency sorghum threshing, so that the labor intensity of manual threshing is reduced, and the manual threshing efficiency is improved.

The application discloses application of SbWOX gene and SbBBM gene in corn breeding and a corn genetic transformation method, and relates to a bioengineering technology.The application provides a nucleic acid molecule with co-expression of SbWOX protein gene and SbBBM protein gene, and corresponding gene co-expression vectors and microbial transformants.The application also provides application of the co-expression of the SbWOX gene and the SbBBM gene in the corn genetic transformation method.The application obtains corresponding genes and mutant proteins based on the SbWOX gene and the SbBBM gene of sorghum, the two genes are co-expressed in the corn genetic transformation process, even without adding plant growth hormones in the antibiotic screening medium in the tissue culture process, the plant genetic transformation process can be normally completed, and the transformation efficiency and the regeneration efficiency of the corn can be remarkably improved, the transformation rate reaches 10.42%, and the differentiation rate reaches 32.89%.

A novel sorghum variety designated 2PPZY84R and seed, plants and plant parts thereof are provided. Methods for producing a plant comprise crossing sorghum variety 2PPZY84R with another plant. Sorghum seed, plants and plant parts produced by crossing sorghum variety 2PPZY84R with another plant are described. Methods for producing a plant containing in its genetic material one or more traits introgressed into 2PPZY84R include one or both of backcross conversion and transformation. Hybrid sorghum seed, plants or plant parts produced by crossing the sorghum variety 2PPZY84R or a locus conversion of 2PPZY84R with another sorghum variety are disclosed.

The invention discloses a preparation method and a use method of a sorghum biological seed-dressing agent, the biological seed-dressing agent comprises a seed-dressing agent 1 and a seed-dressing agent 2, the preparation method comprises the following steps: (1) mixing bacillus subtilis, trichoderma and corn flour, adding water, stirring into paste, and culturing at 25-30 DEG C for 48-60 hours to obtain thalli; (2) kneading the thalli into cubes, drying at room temperature, and grinding to obtain a seed dressing agent 1; and (3) uniformly mixing sodium alginate with water to obtain a seed dressing agent 2. The biological seed dressing agent can significantly improve the emergence rate of sorghum seeds, promote the growth and development of seedlings, and enhance the smut resistance of sorghum plants.

The invention discloses an oilseed rape-sorghum-autumn cucumber planting method based on cooperation of oilseed rape and vegetables, and the method comprises the following steps: sowing oilseed rape in late September; in late October, when the oilseed rape grows to 3-5 leaves, transplanting the oilseed rape to a field; sowing sorghum in the middle ten days of March of the next year; in early April of the next year, when sorghum grows to a three-leaf stage, transplanting; in the middle ten days of April of the next year, harvesting oilseed rape, and then threshing; in late July of the next year, harvesting sorghum, and then threshing; sowing autumn cucumbers in early August of the next year; and harvesting autumn cucumbers from late September to mid-October. Compared with a conventional planting mode, the rape yield can be increased by 4.7%, the sorghum yield can be increased by 6.8%, the total starch content and the amylopectin content of sorghum grains can be increased by 1% and 0.7% compared with rape and sorghum crop rotation, and the income per mu can be increased by 3519 yuan, 1743 yuan and 1132 yuan compared with oil field crop rotation, sorghum single cropping and rape-sorghum relay cropping. According to the planting method, variety selection is accurate, crop rotation connection is seamless, high economic benefits are achieved, and the planting enthusiasm of farmers can be promoted.