15 results about "Cruciferous 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 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 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 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.

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 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.

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.

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 relates to the field of microorganisms, discloses an enterobacter strain capable of reducing vegetable heavy metal accumulation and application, and particularly relates to application of the enterobacter strain capable of reducing vegetable heavy metal accumulation in reducing vegetable heavy metal accumulation. The application comprises the following steps: pretreating the cadmium-polluted soil, after potting, adjusting the water content of the soil to 60% of the maximum water-holding capacity of a field, and balancing for 12 hours to form pretreated soil; transplanting brassicaceous vegetable seedlings into the pretreated soil, and applying enterobacter strains to vegetable rhizospheres after seedling recovery is performed for 3 days; and performing field management on the vegetables, and harvesting the vegetables after the vegetables grow to a harvesting period. The enterobacter strain Ktr32 is separated and screened from root systems of healthy pepper plants in a cadmium-polluted area, is natural, has physiological characteristics adaptive to a cadmium-polluted environment, has relatively strong cadmium tolerance, can stably survive in a medium-high-concentration cadmium stress environment, and also has efficient cadmium adsorption capacity.

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.