27 results about "Cruciform Vegetables" patented technology

The application provides a method for preventing and controlling plant aphids, and the specific steps are as follows: selecting plant germination seeds that have grown roots and the root length is 2-6 cm, applying a light cycle treatment of 8h light and 16h darkness in the growth process of the plant germination seeds; in the plant germination seeds, the seed sources include legumes and cruciferous vegetables; and in the growth process of the plant germination seeds, a boron-containing nutrient solution containing the following components is used: Ca(NO3)2.4H2O 4mM, KH2PO4 1mM, KCl 1mM, MgSO4.7H2O 2mM, K2SO40.5mM, FeSO4.7H2O 50μM, EDTA.Na2 50μM, MnCl2 10μM, ZnSO4.7H2O 5μM, CuSO4.5H2O 0.5μM, (NH4)6Mo7O 24 4H2O 1μM, H3BO3 35-70μM, CoCl20.5μM; the nutrient elements are applied according to the following steps: (1) the first boron-containing nutrient solution is used for 1-5d, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; (2) the second boron-containing nutrient solution is used for 6-15d, and the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The present application relates to the technical field of vegetable cultivation, and particularly relates to a method for creating high anthocyanin purple cruciferous vegetables by symbiosis with purple tea. The specific technical scheme is as follows: the method for creating high anthocyanin purple cruciferous vegetables by symbiosis with purple tea, a green cruciferous vegetable conventional variety and a purple tea variety with high anthocyanin content are selected for symbiotic cultivation, and after flowering and seed saving, multiple purification and verification are performed, and finally a high anthocyanin purple cruciferous vegetable pure hybrid material with consistent genetic characteristics is obtained. The present application can obtain a high anthocyanin purple cruciferous vegetable pure hybrid material by symbiotic cultivation of a green cruciferous vegetable conventional variety and a purple tea variety through a conventional breeding method, and after multiple seed saving and verification, the commercialization degree and nutritional value of the high anthocyanin purple cruciferous vegetable are significantly improved.

The utility model discloses germination accelerating equipment for cruciferous vegetable seeds, and relates to the technical field of vegetable seed germination accelerating, the germination accelerating equipment comprises a hollow column, electric heating plates are fixed on two sides of the inner wall of the hollow column, seed mixed soil is put into a heat conduction culture dish with holes, the inner wall of the heat conduction culture dish with holes slides on the outer wall of a sliding column, and the electric heating plates are fixed on the inner wall of the hollow column. A heat conduction culture dish with holes is placed in a hollow column, and the outer wall of an insertion block and the inner wall of the hollow column are clamped and mounted, so that the heat conduction culture dish with holes is stably mounted on the inner wall of the hollow column, and the situation that the seeds absorb water unevenly due to the fact that a worker manually adds a water source is avoided; the bottom end of the hollow column and the top end of the groove column are fixedly installed until the bottom end of the pore plate makes contact with the top end of the supporting block, a fan is controlled to blow air into the hollow column through the pore plate, cold air is dried and heated through an electric heating plate, and hot air makes contact with the heat conduction culture dishes with the holes.

The invention provides a method for preventing and controlling plant aphids, which comprises the following specific steps: selecting plant germinated seeds with roots and root length of 2-6 cm, and in the growth process of the plant germinated seeds, applying light for 8 hours and photoperiod treatment in a dark cycle mode for 16 hours; in the plant germinated seeds, the seed sources comprise beans and cruciferous vegetables; meanwhile, in the growth process of the germinated seeds of the plants, a boron-containing nutrient solution is prepared from the following components: 4mM of Ca (NO3) 2.4 H2O, 1mM of KH2PO4, 1mM of KCl, 2mM of MgSO4. 7H2O, 0.5 mM of K2SO4, 50mu M of FeSO4. 7H2O, 50mu M of EDTA.Na2, 10mu M of MnCl2, 5mu M of ZnSO4. 7H2O, 0.5 mu M of CuSO4. 5H2O, 1mu M of (NH4) 6Mo7O24. 4H2O, 35-70 mu M of H3BO3 and 0.5 mu M of CoCl2; nutrient elements are applied according to the following steps that (1) a first boron-containing nutrient solution is adopted in 1-5 days, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; and (2) after 6-15 days, adopting a second boron-containing nutrient solution, wherein the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

The invention provides a breeding method of a triploid flowering Chinese cabbage variety, which comprises the following steps of: (1) hybridizing cabbage type rape serving as a female parent and flowering Chinese cabbage serving as a male parent to obtain a triploid hybrid F1 generation; (2) performing phenotype identification on the triploid hybrid F1 generation, and screening combinations which are early in bolting, synchronous in main stem and lateral branch development, obvious in subgenome heterosis and resistant to clubroot; (3) performing a multi-point planting test on the excellent triploid hybrid F1 to verify the yield and disease resistance of the flowering Chinese cabbage; and (4) breeding a special triploid flowering Chinese cabbage variety for seed production. The triploid flowering Chinese cabbage cultivated by the method has the following outstanding advantages of high yield, high economic value, strong disease resistance, multi-round picking and long market supply period. The method provided by the invention solves the problems of lack of special varieties of traditional brassica campestris and low yield of brassica campestris of a dual-purpose variety of brassica campestris, provides a new technical route for germplasm innovation of brassicaceous vegetables, and has important popularization and application values.

The application discloses a Higgins anthracnose pathogenic gene ChTHR1 and application thereof. The nucleotide sequence of the ChTHR1 gene is shown as SEQ ID NO:1, and the amino acid sequence of the encoded protein is shown as SEQ ID NO.3. The application determines that the pathogenic gene ChTHR1 has a key role in spore production, the rate of appressorium formation, mycelium biomass, ultraviolet resistance, melanin production and melanin accumulation of Higgins anthracnose, and can be used as a drug target for drug design and screening against Higgins anthracnose. Higgins anthracnose spreads between leaf blades of Brassica parachinensis and other cruciferous vegetables in Guangdong by means of conidia, and the conidia are eliminated or inhibited to prevent the prevalence of plant anthracnose. The ChTHR1 gene is used as a target for drug development, a drug for preventing and treating anthracnose caused by Higgins anthracnose and reducing the pathogenicity of plant Higgins anthracnose is screened, and the effect of the drug is evaluated.

The invention discloses a method for identifying plutella xylostella-resistant germplasm resources of cruciferous vegetable crops. The identification method comprises an identification device and an identification method, the identification device is provided with a breathable net on a cover body of a culture dish, agarose, filter paper and moisturizing cotton are combined to construct a proper feeding environment for the plutella xylostella, and a field feeding process is truly simulated under indoor conditions. On the basis of the device, an insect resistance identification method is established, three-instar larvae of plutella xylostella are inoculated and cultured regularly, and larva death number, weight change and leaf damage data are obtained; and further constructing a germplasm resource identification method for resisting the plutella xylostella of the cruciferous vegetable crops, and carrying out quantitative analysis and grade judgment on the insect resistance of the cruciferous vegetable crops by taking the larva death rate, the body weight inhibition rate and the leaf damage rate as evaluation indexes. The identification device and method cooperate with each other to form a standardized cruciferous vegetable crop insect-resistant resource identification system.

The invention provides a method for restoring cadmium-polluted soil by brassicaceous vegetables based on selenium-enriched soil regulation and control. By using selenium-rich soil and simulating a high-COconcentration environment, the enrichment capacity and tolerance of cruciferous vegetables (such as rape and pakchoi) to cadmium are improved. The antioxidant characteristic of selenium element relieves cadmium toxicity, promotes plant growth and improves biomass. Under the regulation and control of selenium-rich soil, the absorption capacity of the brassicaceous vegetables to cadmium is enhanced, and the remediation efficiency is higher in a high-COC environment. The experimental group is treated by using selenium-rich soil, the cadmium content, biomass and antioxidant enzyme activity in plant roots, stems and leaves are measured when the remediation effect is evaluated, and compared with a traditional non-selenium-rich soil remediation method, the remediation efficiency of the experimental group is improved by 35%-60% compared with that of a control group. Results show that the antioxidant enzyme activity is obviously enhanced, and the biomass and the growth stability are improved. The method is easy and convenient to operate, low in cost, environmentally friendly and suitable for remediation of the light and medium cadmium polluted soil with the cadmium concentration lower than 5.0 mg / kg.

The application discloses a method for preparing nano-silver particles by using coleus extraction liquid and products and application thereof, and belongs to the technical field of green biosynthesis of nanometer materials, and comprises the following steps: (1) after pretreatment, the coleus is crushed, mixed with deionized water, stirred uniformly, and then allowed to stand, and the coleus extraction liquid is obtained after filtration; (2) the coleus extraction liquid obtained in step (1) is mixed with an AgNO3 solution to obtain a mixed solution, and then the nano-silver particles are obtained after further centrifugation, washing and vacuum freeze-drying. The nano-silver particles obtained by the method have small average particle size, uniform size and stable structure, can effectively inhibit the activity of multiple plant pathogenic bacteria such as Pseudomonas syringae pv. tomato, can destroy the cell structure to make the endosolutes exosmose, has good bactericidal effect, and can be used for preventing and treating bacterial black spot disease of cruciferous vegetables.

The invention relates to the technical field of pesticides, and discloses an insect pest prevention and control method for brassicaceous vegetables. The method comprises the following steps: raising seedlings of cruciferous vegetable seeds, and controlling insect pests by using chemical pesticides in the vegetable growth process. Main insect pests of cruciferous vegetables include cabbage caterpillars, plutella xylostella, aleyrodid, aphids, beet armyworms, grubs, prodenia litura, mamestra brassicae, agrotis ypsilon, phyllotreta striolata, radish borer, simian insects and the like, when the insect pests occur, chemical pesticides are used for controlling the insect pests, the chemical pesticides comprise fenpropathrin and chlorbenzuron as effective components, and the chemical pesticides are used for controlling the insect pests. The suspending agent composition is prepared by adding an auxiliary agent and a synergist into the effective components, is used for preventing and treating brassicaceous vegetable insect pests, especially has a very good effect on cabbage plutella xylostella, not only solves the problem of insect pests in the cabbage growth period, but also reduces the pesticide use amount, solves the problems that pesticide residues are easy to exceed the standard and the safety interval is long, and has a good application prospect. And the purposes of pesticide reduction and synergism are achieved.

This invention relates to the field of Streptomyces technology, and discloses a *Streptomyces nigricans* strain for controlling clubroot disease in cruciferous plants in the field, its screening method, and the application of fermentation broth from derived strains. The *Streptomyces nigricans* strain, named X216, was isolated and screened from soil in cruciferous vegetable fields affected by clubroot disease and deposited at the China Center for Type Culture Collection (CCTCC) on May 10, 2023, with accession number CCTCC No: M2023723. This invention utilizes *Streptomyces nigricans*, an antagonistic strain against indicator fungi, screened from rapeseed fields affected by clubroot disease. Compared to existing chemical pesticides, it effectively increases the lethality of dormant *Plasmodiophora brassicae* spores and reduces the root hair infection rate of dormant *Plasmodiophora brassicae* spores, demonstrating a significant effect on clubroot disease control. Furthermore, its direct application in natural field environments shows significant efficacy in controlling clubroot disease in cruciferous plants.

The invention discloses a strain of Streptomyces enissocaea WNFX3 for preventing and treating sclerotinia rot of brassicaceous vegetables and application of the strain of Streptomyces enissocaea WNFX3. The strain of Streptomyces enissocaea WNFX3 can be used for preventing and treating sclerotinia rot of brassicaceous vegetables. The strain is preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 20252473. The streptomyces lilacinus disclosed by the invention has broad-spectrum antibacterial activity, has a remarkable inhibition effect on more than 10 kinds of fruit and vegetable pathogenic bacteria such as sclerotinia sclerotiorum and the like, and particularly has an outstanding control effect on sclerotinia rot of cruciferous vegetables; meanwhile, the strain has nitrogen fixation and phosphate solubilizing functions and can secrete amylase, pectinase, protease, cellulase and the like, and fermentation liquor can promote seed germination and remarkably inhibit generation of vegetable sclerotinia sclerotiorum scabs. Field trials show that the strain can effectively promote the growth of pakchoi and inhibit the occurrence of sclerotiniose, provides an excellent microbial resource for the green prevention and control of brassicaceous vegetable diseases and the reduction of fertilizer application, and has a wide application prospect.

This invention relates to the fields of agricultural biotechnology and environmental remediation technology, specifically to a novel, highly efficient, and safe formulation for promoting plant growth and degrading soil phthalates, and its application. The formulation comprises (R)-5-hydroxymethyldihydrofuran-2-one and water. Experiments have shown that (R)-5-hydroxymethyldihydrofuran-2-one, at a concentration of 0.01 mM, has a significant growth-promoting effect on cruciferous vegetable Chinese flowering cabbage (Pachira aquatica), while simultaneously accelerating the degradation of dibutyl phthalate (DBP) in the soil, achieving a dual function. Experiments also show that applying 0.01 mM of A-like to DBP-contaminated soil significantly increases the plant height, root length, and biomass of Chinese flowering cabbage, promotes earlier flowering, and reduces the residual amount of DBP in the soil by 77.2%, with a degradation promotion rate exceeding 62%.

The present invention belongs to the field of biological pesticide technology, specifically, it relates to the application of tobacco root secretion extract in preventing and controlling aphid diseases of roses, tobacco, wheat, and cruciferous vegetables. The preparation method of the tobacco root secretion extract comprises: extracting and concentrating the tobacco root secretion with a solvent; the solvent is ethyl acetate or dichloromethane; the volume ratio of the solvent to the tobacco root secretion is 0.5-1.5:1. The present invention is the first to use the dichloromethane extract of tobacco root secretion to prevent and control plant aphids. The extract can effectively kill and inhibit plant aphids. As the concentration of the tobacco root secretion extract increases, its insecticidal activity rate against plant aphids also gradually increases. The tobacco root secretion extract is derived from the plant itself, is easily degraded in nature, is safe to the environment, does not contaminate food, and pests are not likely to develop drug resistance.

The invention discloses an insecticidal composition which comprises pyriproxyfen and fluxazole amide, preferably, the weight ratio of the pyriproxyfen to the fluxazole amide is (20: 1)-(1: 20), and particularly preferably, the weight ratio of the pyriproxyfen to the fluxazole amide is (10: 1)-(1: 10). The composition disclosed by the invention shows an excellent synergistic effect in preventing and treating cruciferous vegetable pests, and has a wide application prospect.

The invention discloses an enterobacter cancerogenic EcCB2 strain and an application thereof. According to the present invention, the enterobacter cancerogenus EcCB2 strain is separated from lasioderma serricorne, and is preserved in Guangdong Province Microbial Culture Collection Center on May 31, 2024, and the preservation number is GDMCC No: 64709; the EcCB2 strain not only can effectively kill vegetable pests such as beet armyworms, spodoptera litura, prodenia litura, plutella xylostella and cabbage caterpillars which are mainly harmful to brassicaceous vegetables, but also can remarkably inhibit the growth of plant pathogenic fungi such as fusarium oxysporum, sclerotinia sclerotiorum, colletotrichum hijinensis and alternaria solani; the compound can be used for preventing and treating plant diseases caused by plant pathogenic fungi and cruciferous vegetable insect pests.

The application belongs to the technical field of genetic engineering, and relates to a kind of resistance to clubroot cabbage gene Bol.TNL.2 and its application, the nucleotide sequence of resistance to clubroot cabbage gene Bol.TNL.2 is SEQ ID No.1, and gene is located on C07 chromosome.The application is analyzed to the BC1F1 population constructed by resistance cabbage Z5 and susceptible cabbage WG12 by BSA method, target gene is located on C07 chromosome, resistance to clubroot cabbage gene Bol.TNL.2 with TNL structure is found, new clubroot resistance site is developed, and new variety of plant with broad-spectrum resistance to clubroot is bred using gene Bol.TNL.2, to meet actual demand.

The present application belongs to the technical field of cold storage, and particularly relates to a composite phase change cold storage agent, a preparation method thereof and application thereof in fruit and vegetable preservation. The present application takes xylitol as a main energy storage agent, and explores the influence of the xylitol compounded with different phase change adjusting agents, nucleating agents, preservatives and thickening agents on the supercooling degree, cooling curve, phase change latent heat and onset temperature and other performance indicators. The results show that the xylitol, potassium chloride, silicon dioxide, potassium sorbate, sodium alginate and water are compounded in a certain proportion to obtain the best cold storage effect, the relative potential is greater than 290 J / g, the phase change temperature is kept between -5 DEG C and 0 DEG C, the onset temperature can be as low as -3 DEG C, the supercooling degree is lower than 3 DEG C, and the composite phase change cold storage agent shows good cycle stability in a 12-hour low-temperature environment, has excellent cold storage performance, and is suitable for fruit and vegetable, especially cruciferous vegetables including cabbage, long-distance transportation and cold storage and preservation, and makes up for the deficiency of the existing fresh fruit and vegetable storage and preservation conditions.

The invention relates to a pesticide containing prodenia litura nuclear polyhedrosis virus and a preparation method thereof, and belongs to the technical field of pesticides. Aiming at the defects that the existing SpltNPV-containing biopesticide is poor in storage stability, weak in anti-scouring capability and short in pesticide effect lasting time, the pesticide is an anti-scouring synergistic compound which is prepared by compounding a compound stabilizer and alkylated modified chitosan, sodium lignin sulfonate and gamma-polyglutamic acid, wherein the compound stabilizer is prepared from molasses, L-proline, vitamin C and trehalose; and an emulsifier, an anti-freezing agent and the like. The pesticide is environmentally friendly and free of residues, can improve the storage survival rate of SpltNPV and the surface adhesion of crops, prolong the pesticide effect and reduce the pesticide application frequency, is suitable for preventing and treating prodenia litura larvae on crops such as cruciferous vegetables, beans, cotton and corn, and is simple in preparation process, controllable in cost and convenient to industrially popularize.

The invention belongs to the field of plant growth regulators, and particularly relates to application of a compound 5-methoxy-2-selenium cyano methyl-pyran-4-one in improvement of salt stress resistance of plants. Under the salt stress condition, after the compound with the proper concentration is added into the hydroponic nutrient solution, the growth of main roots, plant heights and leaves of the cabbages can be remarkably promoted, the yield is increased, and the inhibition effect of salt stress on plant growth is relieved. According to the method, the salt stress resistance of the plants can be improved through seed soaking, root irrigation, water culture and the like, the planting range of the cruciferous vegetables is enlarged, the utilization rate of salinized land is increased, and the industrial application prospect is wide.

The utility model discloses a cruciferous vegetable seed production water and fertilizer integrated device, which belongs to the technical field of water and fertilizer integrated devices, and comprises a rack, a liquid storage barrel and a fertilizer storage barrel are fixedly connected in the rack, a mixing barrel is fixedly connected at the bottom end in the rack, and a booster pump is communicated and connected at the liquid discharge end of the mixing barrel; a triangular rib plate is welded to the top end of the rack. The light reflecting plate of the top plate has good light reflecting performance, direct illumination is reduced, and heat insulation treatment is conducted on structural parts in the rack through the arrangement of the heat insulation plate; a spraying assembly is installed outside the rack, the surface of a spraying ring pipe of the spraying assembly is connected with an atomizing nozzle in a communicating mode, when the temperature is high, water is supplied to the spraying ring pipe through an external pipeline for treatment, water liquid is sprayed to the outer position of the rack in an atomizing mode along the atomizing nozzle, and a fertilizer storage barrel in the rack is cooled and protected; the fertilizer efficiency of the liquid fertilizer in the fertilizer storage barrel is not influenced by the temperature.

A skincare composition includes a substance having a predetermined amount of one or more cruciferous vegetables, the predetermined amount of the one or more cruciferous vegetables including stabilized glucoraphanin and active myrosinase in a stable state; exposing the substance to a liquid activator causes a chemical reaction between the stabilized glucoraphanin and the active myrosinase to create sulforaphane in an active product; and applying the activated product to a skin surface allows the sulforaphane to act upon the skin surface.

Provided is a method for controlling clubroot in soil in which clubroot of brassicaceous vegetables is frequently occurring due to the presence of pratylenchus pratensis. The invention relates to a method for preventing and removing clubroot of cruciferous vegetables. The clubroot of the cruciferous vegetables is prevented and removed by applying (a) a bactericide and (b) a nematicide in soil in which pratylenchus pratensis is generated.

The brassicaceous vegetable harvester comprises a chassis and a shearing mechanism, two main body frames are arranged on the upper portion of the chassis, a conveying mechanism is arranged on one side of each main body frame, and a conveying belt is arranged on the outer surface of the upper side of each main body frame. And the shearing mechanism comprises two cutter set frames fixedly connected to the outer surface of the front side of the main body frame, blade holders movably penetrate through the interiors of the two cutter set frames, and blades are movably connected to the interiors of the blade holders. By means of the structure, brassicaceous vegetables can be harvested under the additional power source except manpower, energy and material cost is saved, and harvesting efficiency is improved.

The invention belongs to the technical field of cold storage, and particularly relates to a composite phase change cold storage agent, a preparation method thereof and application of the composite phase change cold storage agent in fruit and vegetable preservation. According to the invention, xylitol is used as a main energy storage agent, and the influence of xylitol compounded with different phase change regulators, nucleating agents, preservatives and thickeners on the supercooling degree, cooling curve, phase change latent heat, Onset temperature and other performance indexes is explored. Results show that the xylitol, the potassium chloride, the silicon dioxide, the potassium sorbate, the sodium alginate and the water are compounded according to a certain proportion to achieve the best cold storage effect, the relative potential is larger than 290 J / g, the phase change temperature is kept between-5 DEG C and 0 DEG C, the lowest Onset temperature can reach-3 DEG C, the degree of supercooling is lower than 3 DEG C, and good cycle stability is shown in a low-temperature environment for 12 h; the fresh-keeping agent has excellent cold insulation performance, is suitable for cold storage and fresh keeping of fruits and vegetables, especially brassicaceous vegetables including common head cabbages in long-distance transportation, and makes up for the deficiency of existing fresh-keeping conditions for storage and transportation of fresh fruits and vegetables.

The claimed invention provides therapeutic as well as protective measures against colorectal cancer by utilizing genetically modified gut bacteria (101) in conjunction with an optimized diet high in cruciferous vegetable intake. According to the claimed system and method, engineered gut bacteria maximize the therapeutic value of the cruciferous vegetable diet to eradicate, offset or prophylactically prevent the onset of colorectal cancer. In the claimed invention gut bacteria Escherichia coli bind specifically to the heparan sulphate proteoglycan on colorectal cancer cells to secrete the enzyme myrosinase to transform host-ingested glucosinolates which are natural components of cruciferous vegetables to sulphoraphane, an organic small molecule with known anti-cancer activity.

The application discloses a phyllotreta striolata attractant formed by diluting verbenone and / or verbenol in n-hexane to 10 mg / L-1000 mg / L. The application also discloses a phyllotreta striolata attractant comprising active components in the following weight parts: verbenone and / or verbenol 30-100 parts, butyl isothiocyanate 0-25 parts, allyl isothiocyanate 0-25 parts. The application further discloses a phyllotreta striolata lure core. The application provides the use of verbenone and verbenol as components of the phyllotreta striolata attractant, which has the characteristics of simple operation, convenient use, high attraction efficiency, etc.; the attraction rate of the phyllotreta striolata attractant to adult phyllotreta striolata is higher than 80%, the number of adult phyllotreta striolata in the field is significantly reduced, and the insect population density is reduced; the popularization of the application will significantly reduce the use of chemical pesticides, improve the problem of serious phyllotreta striolata damage, and improve the quality of cruciferous vegetables.