279 results about "White cabbage" patented technology

The utility model relates to the technical field of agricultural mechanical equipment, in particular to a small Chinese cabbage harvester which is internally provided with a cutting component, a conveying component, a storage assembly and a traveling assembly, the two ends of the conveying component are connected with the cutting component and the storage assembly respectively, and the traveling assembly is installed below the storage assembly; the cutting component comprises a cutting assembly and a stirring assembly, the cutting assembly comprises a first fixing frame, two pulling shovels of the same structure and two cutting pieces of the same structure, one end of the first fixing frame is connected with the conveying component, and each cutting piece is connected with the other end of the first fixing frame; the middle part of each pulling shovel is fixedly mounted at the top end of one cutting piece; thus, when Chinese cabbages are harvested, the Chinese cabbages are pulled up through the pulling shovel, the roots of the Chinese cabbages are cut off through the cutting piece located below the pulling shovel, in the process, due to the fact that the cutting piece is located below the pulling shovel, the cutting piece does not make direct contact with the Chinese cabbages, the Chinese cabbages cannot be damaged, and the quality of the Chinese cabbages is improved.

The invention discloses an organic fertilizer for promoting plant growth and improving soil and a preparation method thereof, and belongs to the technical field of organic fertilizers. The organic fertilizer is prepared from the following raw materials: composted chicken manure, soybean meal, straw powder, sweet potato vines, humic acid, a compound microbial agent, rosmarinic acid and a stimulant. The compound microbial agent is prepared from madula angustifolia actinomycetes, pseudomonas stutzeri and bacillus velezensis, and the stimulant is a glucosamine sulfate solution. The rosmarinic acid, the glucosamine sulfate solution and the compound microbial agent are added into the organic fertilizer, the three components are compounded with the straw, the chicken manure and the like to form the organic fertilizer, and various substances have a synergistic effect, so that on one hand, the growth of Chinese cabbages is promoted, and the yield is increased; on the other hand, soil physicochemical properties are obviously improved.

A small intelligent Chinese cabbage harvester comprises a vehicle body, a harvesting mechanism is arranged at the front end of the vehicle body, a collecting box is arranged on the vehicle body, and the harvesting mechanism comprises a first conveying module, a soil loosening tool rest, a vegetable harvesting shifting rod module and a positioning module. The first conveying module and the vehicle body are obliquely assembled, the lower end of the first conveying module is located at the front end of the vehicle body, and the higher end of the first conveying module is higher than the collecting box. The soil loosening tool rest is fixedly assembled with the vehicle body, and the front end of the soil loosening tool rest exceeds the lower end of the first conveying module. The number of the vegetable collecting shifting rod modules is two, and the two vegetable collecting shifting rod modules are located on the two sides of the first conveying module respectively. The positioning module is assembled and fixed to the vehicle body and used for positioning the positions of Chinese cabbages. Compared with the prior art, the method has the advantages that the method is suitable for small-scale planting in rural areas, and the mechanization level of small-field-mu agriculture can be improved. And the harvested Chinese cabbages have no damage on skins, and the shelf life is greatly prolonged.

The invention relates to the technical field of plant tissue culture, and provides a method for improving the embryo emergence rate of free microspores of non-heading Chinese cabbage by using 5-AzaC, and in the microspore culture stage, 5-AzaC with the concentration of 0.005-0.020 mg is added into a microspore culture medium. The invention designs a method for increasing the embryogenesis rate of free microspores of the non-heading Chinese cabbage by adding 5-AzaC into a microspore culture medium of the non-heading Chinese cabbage. According to the method, the embryogenesis rate of the free microspores of the non-heading Chinese cabbage can be remarkably improved, a non-heading Chinese cabbage microspore culture system is more easily established, the haploid breeding efficiency is improved, and the breeding process is accelerated.

The invention discloses a rapid evaluation method for heat resistance phenotypes of non-heading Chinese cabbages. The method comprises the following steps: step 1, performing standardized seedling culture under the conditions of day and night constant temperature of 22 DEG C / 18 DEG C, relative humidity of 60%, illumination for 16h / darkness for 8h and light intensity of 20000Lux; step 2, extreme high temperature stress treatment: the temperature is 49 + / -0.5 DEG C, the humidity is 60%-70%, the illumination intensity is 20000Lux, treatment is performed for 8 hours, and then culture is recovered; step 3, observing phenotypic indexes including survival rate S, leaf damage index D, plant height inhibition rate H and new leaf germination number N; 4, constructing a comprehensive evaluation model, and calculating a heat resistance index HI; 5, plant heat resistance phenotype rapid evaluation. According to the method, variety heat resistance accurate classification is achieved, professional instruments are not needed, the single cycle only needs 20 days, the supply pressure of non-heading Chinese cabbages in the high-temperature season is remarkably relieved, breeding standardization of stress-resistant varieties is promoted, and agricultural sustainable development is promoted.

The invention discloses a continuous cropping Chinese cabbage planting method based on a microbial agent and application, and belongs to the technical field of crop cultivation. According to the planting method, Chinese cabbage and garlic are intercropped according to the ratio of 1: 1, and a trichoderma harzianum agent is applied. Results show that the planting method can significantly increase the growth indexes such as the plant height, the root length, the leaf chlorophyll content and the soluble sugar content of the Chinese cabbage; the soluble protein content, the peroxidase activity, the superoxide dismutase activity and the malondialdehyde content of the Chinese cabbage leaves are obviously reduced. Meanwhile, the content of rapidly available phosphorus, rapidly available potassium, effective calcium and other substances in the soil can be increased; the activities of urease, catalase and alkaline phosphatase in the soil are also obviously improved. In addition, the number of fungi, bacteria and actinomycetes in the soil is also remarkably increased. Therefore, according to the planting method, the quality of continuous cropping soil can be improved, Chinese cabbage growth is promoted, and theoretical support is provided for healthy and sustainable development of the Chinese cabbage industry.

The utility model relates to a Chinese cabbage harvester which comprises a vehicle body, a cutter body and a roller device are arranged at the front end of the vehicle body, the roller device is arranged above the cutter body, the roller device comprises a middle shaft assembly and a plurality of shifting rod assembly units, and the two ends of the middle shaft assembly are rotationally connected to the vehicle body. The driving lever assembly units are arranged around the circumference of the middle shaft assembly in an array mode, the area between every two adjacent driving lever assembly units can contain Chinese cabbages to be harvested, and the driving lever assembly units rotate along with the middle shaft assembly and push the Chinese cabbages in the harvesting direction so as to cut the roots of the Chinese cabbages. A plurality of shifting rod assembly units can sequentially harvest a plurality of Chinese cabbages in one rotation period, so that the harvesting efficiency of the Chinese cabbages can be improved; according to the Chinese cabbage harvester, the two steps of separating Chinese cabbages from soil and removing the roots of the Chinese cabbages are completed at a time, and effective cutting of the roots of the Chinese cabbages is achieved; and meanwhile, Chinese cabbages can be conveyed to the rear of the cutter body after root cutting, and the Chinese cabbages are prevented from being stacked at the cutter body.

The invention provides a Chinese cabbage row-control harvester based on machine vision and a control method. The Chinese cabbage row-control harvester comprises a chassis, a row-control mechanism, a Chinese cabbage harvesting and conveying mechanism, a visual detection module, a motion control module and an edge calculation module. The Chinese cabbage harvesting and conveying mechanism is used for backwards conveying harvested Chinese cabbages; the Chinese cabbage harvesting and conveying mechanism is mounted on the chassis, and the row control mechanism is used for adjusting the Chinese cabbage harvesting and conveying mechanism for row control; the visual detection module is installed on a rack at the front end of the Chinese cabbage harvesting and conveying mechanism and used for collecting field images and transmitting the field images to the edge calculation module, and the edge calculation module is connected with the visual detection module and the motion control module; the edge calculation module processes the image acquired by the visual detection module to obtain offset data and outputs the offset data to the motion control module, and the motion control module controls the row control mechanism to adjust the Chinese cabbage harvesting and conveying mechanism to perform row control. By means of the two row control modes of active row control and chassis floating row control, the row control precision can be improved, and the row control efficiency can be improved.

The invention relates to the technical field of purification, in particular to Chinese cabbage moss allergy-free factor purification equipment which comprises an outer box, one side of the outer box is communicated with a feeding pipe, a self-cleaning filtering assembly capable of automatically scraping impurities attached to different side faces is arranged in the outer box, and the self-cleaning filtering assembly comprises a filtering cylinder rotationally connected with the side wall of the outer box; one side of the filter cartridge is communicated with a transverse pipe, the transverse pipe extends to the outside of the outer box, the feeding pipe penetrates through the transverse pipe, a scraping assembly is arranged in the filter cartridge, the scraping assembly is dragged to rise when the filter cartridge rotates and then slides down to conduct scraping, a driving assembly used for driving the transverse pipe and the filter cartridge to rotate is arranged on the outer box, and the scraping assembly comprises an arc-shaped plate in sliding connection with the inner wall of the filter cartridge; and a plurality of sliding plates are fixedly connected between the two arc-shaped plates. The technical problems that particles in Chinese cabbage moss juice of existing purification equipment are prone to blocking a filter screen, the amount of blocked Chinese cabbage moss particles is large, the cleaning difficulty is increased, and the process of cleaning the filter screen is time-consuming and labor-consuming are solved.

The utility model provides a novel Chinese cabbage digging trolley. The novel Chinese cabbage digging trolley comprises a frame, a driving unit, a transmission mechanism, a digging mechanism and a collecting device. The frame is made of aluminum profiles and steel materials, and the front end of the frame is provided with an open groove for containing the excavating mechanism. The digging mechanism forms a double-crank structure through cooperation of a first rotary disc, a second rotary disc and a tool rest so as to achieve rotation and telescopic movement of a tool bit, and digging and conveying of Chinese cabbages are completed. And stepless adjustment of the digging depth can be realized. The collecting device is of a double-layer net structure, and efficient buffering and collecting of Chinese cabbages are guaranteed. The digging efficiency can be remarkably improved, the labor intensity is reduced, the method adapts to complex terrains, the requirements of small farmers are met, and the wide application prospect is achieved.

The present invention discloses an organic fertilizer for promoting plant growth and soil improvement and a preparation method thereof, and belongs to the technical field of organic fertilizers. The organic fertilizer comprises the following raw materials: decomposed chicken manure, soybean meal, straw powder, sweet potato vine, humic acid, composite microbial agent, rosmarinic acid, and a stimulant. The composite microbial agent is composed of Actinomyces millefolius, Pseudomonas stutzeri, and Bacillus velezensis, and the stimulant is a glucosamine sulfate solution. Rosmarinic acid, glucosamine sulfate solution, and composite microbial agent are added to the organic fertilizer of the present invention. These three components are compounded with straw, chicken manure, etc. to form an organic fertilizer. The synergistic effect of multiple substances promotes the growth of cabbage and increases yield on the one hand; on the other hand, it significantly improves the physical and chemical properties of the soil.

The carbon-based microbial fertilizer capable of effectively improving the Chinese cabbage planting soil environment, degrading pesticide residues, enhancing the disease resistance of Chinese cabbages and increasing the yield of the Chinese cabbages is prepared by combining the bacillus subtilis FM bacterial liquid and the biochar. Comprising the following steps: step 1, inoculating a bacillus subtilis FM strain into an NA liquid culture medium, and carrying out shaking culture on a shaking table at the constant temperature of 37 DEG C for 24 hours to obtain a strain fermentation solution; and step 2, sterilizing the biochar at 121 DEG C for 60 minutes. And adding the prepared bacterial liquid into sterilized biochar, respectively preparing 5kg of carbon-based biological fertilizer with the bacterial content of more than 3 * 10 < 8 > CFU. G <-1 >, adjusting the moisture content to 30%, putting into an incubator, and culturing at the constant temperature of 37 DEG C for 24 hours, thereby obtaining the carbon-based microbial fertilizer, wherein the carbon-based biological fertilizer has the bacterial content of more than 3 * 10 < 8 > CFU. G <-1 >.

The invention discloses a strain NJSH56 for promoting plant growth and application thereof, the strain NJSH56 is identified as bacillus pumilus, the strain NJSH56 is preserved in China General Microbiological Culture Collection Center (CGMCC), the preservation time is November 14, 2024, and the strain preservation number is CGMCC NO.32614. The strain NJSH56 can promote plant growth. The dendrobium officinale endophytic growth-promoting strain NJSH56 for promoting plant growth is obtained through separation and screening, growth of dendrobium officinale tissue culture seedlings can be effectively promoted, and the fresh weight, the rooting number and the leaf number are increased; greenhouse tests show that the number of new buds of dendrobium officinale plants in a strain NJSH56 treatment group reaches 4.67 and is obviously higher than that of a control group; meanwhile, the NJSH56 is used for treating the non-host plant Chinese cabbage, so that the growth of the overground part of the Chinese cabbage can be remarkably promoted, and the biomass accumulation of the Chinese cabbage is improved.

The invention is suitable for the technical field of pesticide residue detection, and provides a method for distinguishing and detecting pesticide based on copper-platinum bimetallic nano-enzyme. According to the method, a colorimetric sensing array with three sensing channels is constructed by synthesizing a copper-platinum bimetallic nano-enzyme (CuPtNPs) with oxidase-like activity, laccase-like activity and superoxide dismutase-like activity. A fingerprint spectrum is obtained based on specific effects of different pesticides and enzyme-like activities, and qualitative distinguishing and quantitative detection of various pesticides are realized by combining a machine algorithm. According to the method, nine pesticide residues can be measured at a time, six of the nine pesticide residues can be quantitatively analyzed, and the problem that a traditional method only can be used for single detection is solved. A strategy of constructing three channels based on a single nano-enzyme receptor CuPtNPs has the remarkable advantages of simple synthesis process, convenient operation flow and low detection cost, is good in applicability in actual agricultural product samples such as Chinese cabbages and apples, and provides an efficient solution for high-throughput detection of pesticide residues.

The invention belongs to the technical field of microorganisms, and particularly relates to pseudomonas monteilii psm006 and application thereof. The pseudomonas monteilii psm006 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on January 3, 2025, the address of the pseudomonas monteilii psm006 is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number of the pseudomonas monteilii psm006 is CGMCC NO.33294. The invention provides the pseudomonas monteilii psm006, the pseudomonas monteilii psm006 can survive in a certain saline-alkaline environment, has good silicate dissolving capacity and certain phosphorus dissolving and nitrogen fixing capacity, and in addition, the pseudomonas monteilii psm006 can secrete auxin and the like to improve the germination rate of Chinese cabbage seeds in the saline-alkaline environment.

The invention discloses a composite stable moringa oleifera polysaccharide cadmium-resistant preparation as well as a preparation method and application thereof, and relates to the technical field of cadmium-resistant preparations. The cadmium blocking preparation is composed of moringa oleifera polysaccharide, a compound stabilizer and a phosphate buffer solution, the compound stabilizer is composed of sodium alginate and nano silicon dioxide according to the mass ratio of 1: (1.0-1.5), and the pH value of the preparation is 6.0-7.0. The moringa oleifera polysaccharide is applied to cadmium prevention and control of Chinese cabbages in alkaline cadmium-polluted soil (pH 6.5-7.5), and accurate regulation and control are achieved in a rhizosphere irrigation mode. The sodium alginate-nano silicon dioxide composite stabilizer system synergistically exerts the dual functions of dispersion stability and slow release protection, and ensures that the moringa oleifera polysaccharide keeps activity in the soil environment. The preparation has the advantages of being small in dosage, low in cost, easy and convenient to operate, environmentally friendly and the like, a scientific and feasible technical scheme is provided for safe utilization of cadmium-polluted farmland in the alkaline soil area, and the preparation has important application value and popularization prospects.

The invention provides a digital breeding-oriented Chinese cabbage leaf cell automatic segmentation and phenotype measurement system and method, and relates to the technical field of plant phenotype analysis. According to the system, joint coding of cell contours and tissue semantics is achieved through a feature extraction sub-network, scale alignment, global feature convergence and feature re-calibration, and pixel-level cell instance masks and tissue categories are output at the same time through mask decoding and category decoding. In combination with multi-tissue phenotypic parameter classification, in-tissue phenotypic index summarization and structured output, cell-level and tissue-level automatic quantitative analysis of upper epidermis, lower epidermis, fence tissues, sponge tissues, vascular bundles and the like is realized, and the efficiency and precision of multi-tissue cell screening and phenotypic statistics are remarkably improved. The method solves the problems that in the prior art, high-precision automatic segmentation and systematic phenotypic measurement for multi-tissue cells of the cross section of the Chinese cabbage leaf are insufficient, and digital breeding decision making is difficult to directly serve.

The present invention discloses the application of coumarin-3-carboxylic acid in preventing and treating plant bacterial diseases. The coumarin-3-carboxylic acid provided by the present invention has a significant inhibitory effect on plant bacterial diseases. The plant bacterial diseases are oryzae bacterial leaf blight, oryzae bacterial leaf streak, citrus canker, cantaloupe bacterial fruit spot, tomato bacterial wilt, strawberry bacterial angular leaf spot, cabbage black rot, cabbage soft rot, potato soft rot, mango bacterial angular leaf spot, cassava bacterial wilt, cucumber bacterial angular leaf spot, kiwifruit canker and banana bacterial soft rot. The coumarin-3-carboxylic acid provided by the present invention has protective and therapeutic effects on melon bacterial fruit spot.

The invention provides an auxin formula for promoting early germination of Chinese cabbage, which is characterized by comprising corn steep liquor, brown sugar, clear water and the like, the final germination rate of Chinese cabbage seeds in clear water and plant auxin is the same, but the third day is the first day of seed germination, and the fourth day is the second day of seed germination. The germination rate of the seeds in the auxin is higher than that in clear water, which indicates that the auxin can stimulate the seeds to break dormancy and germinate in advance.

The utility model relates to the field of edible vegetables, in particular to a storage device for Chinese cabbages. Comprising a supporting bottom plate, a storage assembly is fixedly installed on the top of the supporting bottom plate, an effect improving assembly is fixedly installed on the front side of the storage assembly, a first fixing assembly is fixedly installed on the outer surface of the effect improving assembly, and a first positioning assembly is fixedly installed on the front side of the storage assembly; a convenient taking assembly is slidably mounted in the storage assembly, second positioning assemblies are fixedly mounted on one side of the convenient taking assembly and the other side of the convenient taking assembly, and a second fixing assembly is fixedly mounted on the rear side of the storage assembly; the technical problems that the storage effect is poor and Chinese cabbages are inconvenient to take out at one time are solved.

The present invention belongs to the technical field of seed discrete sorting, and discloses a seed discrete sorting device for cabbage planting, comprising a precision seeder body, a fan fixedly connected to the top of the precision seeder body, and a sowing rack fixedly connected to the mechanical arm of the precision seeder body. The present invention arranges the cooperation of structures such as chamber one, chamber two and chamber three, and adopts a first screen and a second screen to be inclined in opposite directions respectively, resulting in multi-directional action of vibration force, reducing seed agglomeration, and increasing the probability of particles passing through the sieve holes, and cooperates with an air separation box to perform air separation on seed quality, chamber one and chamber three are used to exclude seeds with larger particle sizes and smaller particle sizes, and finally take the seeds with higher consistency in quality and size uniformity selected from chamber two, so as to reduce the problem of large variance in the distribution of landing points caused by the collision movement with the wall of the seed guide tube in an uncertain random state during the seeding process.

The invention relates to the field of pickled Chinese cabbage fermentation, and discloses a pickled Chinese cabbage synergistic anti-browning and color-protecting fermentation method which comprises the following steps: firstly, pretreating Chinese cabbages, then performing ultrasonic-assisted cleaning, putting the cleaned Chinese cabbages into blanching liquid for blanching treatment, fishing out the blanched Chinese cabbages, and quickly cooling the blanched Chinese cabbages; soaking the cooled Chinese cabbages in a color protection solution, draining off the Chinese cabbages, inoculating the drained Chinese cabbages with a complex microbial inoculant, and carrying out sealed fermentation, so as to obtain the pickled Chinese cabbages, and performing post-treatment on the pickled Chinese cabbages to obtain the pickled Chinese cabbage product. The raw materials are blanched to passivate enzyme activity, the composite color protection liquid is added, fermentation microbial flora is optimized, and other synergistic means are adopted, so that enzymatic browning and non-enzymatic browning reactions can be effectively inhibited, and the pickled Chinese cabbages are kept bright in color and luster in the fermentation and subsequent storage processes.

The invention discloses a moringa oleifera peptide-based cadmium blocking agent and application thereof. The preparation is composed of moringa oleifera peptide (the mass volume concentration is 30-120 mg / L), a compound stabilizer (the mass volume concentration is 20-60 mg / L) and a phosphate buffer solution, the compound stabilizer is composed of sodium alginate and nano silicon dioxide according to the mass ratio of 1: (1.0-1.5), and the pH value of the preparation is 6.0-7.0. The moringa oleifera peptide is innovatively applied to cadmium prevention and control of Chinese cabbages in northern alkaline cadmium-polluted soil (pH is 6.5-7.5), accurate regulation and control are achieved in a rhizosphere irrigation mode, a sodium alginate-nano silicon dioxide composite stabilizer system synergistically plays the dual functions of dispersion stability and slow release protection, and it is ensured that the moringa oleifera peptide keeps activity in the soil environment. The preparation has the advantages of being small in dosage, low in cost, easy and convenient to operate, environmentally friendly and the like, a scientific and feasible technical scheme is provided for safe utilization of cadmium-polluted farmlands in northern alkaline soil areas, and the preparation has important application value and popularization prospects.

The utility model relates to the technical field of drip irrigation of Chinese cabbages, in particular to a drip irrigation fertilization device for Chinese cabbages. The drip irrigation fertilization device for the Chinese cabbages comprises two water pipes, a fixing assembly, a telescopic assembly, a connecting pipe and an adjusting assembly, the top ends of the water pipes are fixedly connected with connecting pipes, and the two ends of the water pipes are symmetrically and fixedly connected with connecting blocks; and a plurality of connecting pipes are fixedly connected to the bottom ends of the water pipes at equal intervals, mounting pipes are in threaded connection with the outer portions of the ends, away from the water pipes, of the connecting pipes, adjusting assemblies are installed outside the mounting pipes, and rotating pipes are rotationally connected to the interiors of the mounting pipes. According to the drip irrigation and fertilization device for the Chinese cabbages, the problems that the Chinese cabbages are distributed irregularly due to manual sowing, and the growth difference between Chinese cabbage individuals is too large can be solved, the device can be flexibly adjusted according to the distance of each row of Chinese cabbage seeds, and then the planting efficiency is improved.

The invention discloses a DMP-based non-heading Chinese cabbage haploid creation method and application. According to the invention, gene editing is carried out on brassica rapa BrDMP, so that protein is lost or activity of brassica rapa BrDMP is reduced, and an obtained mutant plant is a non-heading Chinese cabbage haploid induction line; and carrying out selfing on the non-heading Chinese cabbage haploid induction line or the offspring of the non-heading Chinese cabbage haploid induction line, wherein the obtained selfing offspring is the non-heading Chinese cabbage haploid. The obtained haploid induction line of the non-heading Chinese cabbage can induce generation of haploid of the non-heading Chinese cabbage, and an effective way is provided for haploid breeding and double haploid creation of the non-heading Chinese cabbage.

The invention relates to the technical field of microbial fermentation and bio-fertilizers, and discloses a compound microbial fertilizer prepared by treating rotten vegetable leaves with a compound culture medium and a fermentation method of the compound microbial fertilizer. 5-8 parts of a fermentable sugar source; 2-4 parts of a composite nitrogen source; 1-1.5 parts of an inorganic mineral substance; 0.5 to 0.8 part of a biological activator; 0.3 to 0.5 part of a buffering agent; the vegetable juice is prepared by mixing Chinese cabbages, tomatoes and soybeans according to the mass ratio of 2: 1: 1, and enzymolysis treatment is carried out on the Chinese cabbages, the tomatoes and the soybeans. By optimizing the proportion of the carbon source, the nitrogen source, the inorganic mineral substances and the biological activating agent, the nutrition supply capacity of the culture medium is enhanced, and meanwhile, efficient synergistic proliferation of dominant flora is achieved in combination with a multi-stage fermentation strategy. The culture medium not only can improve the growth rate and metabolic activity of microorganisms, but also can keep a stable physical and chemical environment in the fermentation process, and improves the quality and application effect of a final product.

The application discloses a coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer and a preparation method thereof, and relates to the technical field of organic fertilizer. The coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer comprises the following raw materials in parts by weight: coffee husk polysaccharide extract 20-25 parts, rubber latex serum 15-20 parts, water-soluble nano sulfur powder 3-6 parts, nano attapulgite colloidal 4-7 parts, potassium humate 2-5 parts, microcapsule fungicide 4-6 parts, amino acid chelated nutrient solution 18-22 parts, functional additive 3-5 parts and deionized water 30-40 parts. The coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer prepared by the application has good heavy metal synergistic passivation capacity and low water-insoluble content, and has a significant yield-increasing effect on Chinese cabbage.

The invention relates to a Chinese cabbage root cutting component, in particular to a pulling, conveying and root cutting component of a Chinese cabbage harvester, and aims to solve the problems that when Chinese cabbages are harvested, the Chinese cabbages cannot be pulled in order, the root cutting quality is poor, and clamping and backward conveying are unstable. The pulling, conveying and root cutting component comprises a combined frame, a righting assembly, a pulling assembly, a root cutting assembly, a limiting profiling carrier roller assembly and a conveying structure; the limiting profiling carrier roller assembly is installed at the bottom end of the combined frame, the righting assembly used for righting Chinese cabbages is installed at the front end of the combined frame, the pulling assembly used for pulling the Chinese cabbages is arranged below the righting assembly and installed at the front end of the combined frame, and the root cutting assembly used for cutting the roots of the Chinese cabbages is arranged behind the pulling assembly and installed on the combined frame. The conveying structure is installed on the combined frame above the root cutting assembly in the length direction. The invention belongs to the field of agricultural machinery.

The invention discloses a Chinese cabbage clubroot-resistant gene BrRLP31 and application of the Chinese cabbage clubroot-resistant gene BrRLP31. The nucleotide sequence of the Chinese cabbage clubroot-resistant gene BrRLP31 is as shown in SEQ ID No. 1. Functional verification results show that after the expression of the endogenous BrRLP31 of the Chinese cabbage is inhibited by utilizing a VIGS technology, the resistance of the plant to clubroot is obviously reduced, and the disease index and the root swelling severity of the plant are obviously higher than those of a control material. On the other hand, the transgenic flowering cabbage plant over-expressed by the BrRLP31 is constructed by an agrobacterium-mediated method, and disease resistance identification proves that the heterologous over-expression of the BrRLP31 obviously improves the resistance of the plant to plasmodiophora brassicae. The results show that the BrRLP31 gene plays a key positive regulation role in the clubroot resistance process of the Chinese cabbage, the disease resistance of cruciferae crops and other horticultural plants is improved by utilizing the gene and the homologous sequence thereof, and the gene and the homologous sequence thereof have important application value.