31 results about "24-epibrassinolide" patented technology

The invention belongs to the technical scheme of agricultural application, and particularly relates to a method for soaking seeds by exogenous 24-epibrassinolide to relieve harm of salt and low temperature different stresses on corn. The method comprises the following steps of disinfecting the seeds and performing salt stress of EBR (epibrassinolide)+NaCl solution in different concentrations and low temperature stress of EBR solution in different concentrations; performing germinating and seedling growing experiments. According to the method, the influence of the on germination and seedling growth of corn seeds exogenous EBR under the salt and low temperature stresses is respectively discussed, and the EBR is reflected to have an effect of relieving the harm on the seeds and seedlings under two different stresses. An exogenous EBR seed soaking method is expected to become a good method for respectively improving tolerance of the corn under salt stress and low temperature stress in practice, and the method is great in application potential; the method has high application value for relieving the harm of stresses on plants.

The invention provides a glyphosate weeding composition containing a brassinolide compound. Effective ingredients of the glyphosate weeding composition include a glyphosate compound and a brassinolide compound. In the glyphosate weeding composition, the glyphosate compound is glyphosate acid or a herbicidal active derivative thereof, and the brassinolide compound is one or more of 24-hybrid epibrassinolide, 24-epibrassinolide, 28-epihomobrassinolide, 28-homobrassinolide and other brassinolide compounds. The mass ratio of glyphosate to brassinolide is 100:(0.01*10<-3>-10*10<-3>). The glyphosate weeding composition containing the brassinolide compound has the advantages that brassinolide and a glyphosate product are compounded, and the uptake and translocation effects of glyphosate in stems and leaves and the growth regulation effect of brassinolide are utilized and combined, so that the weeding composition has obvious synergistic effects, the initial weeding effect time is shortened for 2-4 days, the usage amount of a herbicide is reduced by 20-50%, and control effects on some noxious weeds are better. The weeding composition provided by the invention has the advantages of broad spectrum, high efficiency, low toxicity, little pollution, high effect taking speed, low cost and convenience in application.

The invention discloses an application of brassinolide, a method for breaking dormancy of fruit trees in advance, a dormancy breaking agent and an application. The invention provides the application of the brassinolide in breaking of dormancy of the fruit trees, and the brassinolide is 24-epibrassinolide; during use, the brassinolide is the unique active ingredient, the use concentration is 0.05-1ppm, and the use method of the brassinolide is that the brassinolide is used once during complete dormancy of the fruit trees. The invention also provides the dormancy breaking agent taking the brassinolide as the unique active ingredient and an application of the dormancy breaking agent in breaking of dormancy of fruit trees. The dormancy breaking agent has the benefits that the dosage of the brassinolide is very low, no environment residue problem is caused, and the dormancy breaking is safe and effective.

The invention provides a foliar fertilizer capable of improving the quality of summer-autumn tea and application of the foliar fertilizer, and belongs to the technical field of agriculture. The foliar fertilizer capable of improving the quality of the summer-autumn tea contains active ingredients including 24-epibrassinolide, glutathione and ascorbic acid. The foliar fertilizer has the advantages of being convenient to use, low in cost and free of toxic and side effects. After the foliar fertilizer is used, the content of tea polyphenol and theanine can be increased, the phenol-ammonia ratio is optimized, and then the quality of the summer-autumn tea is significantly improved; meanwhile, photosynthesis of tea trees can be improved, the tea yield is increased, an obvious effect is achieved, and the foliar fertilizer can be widely applied to tea garden production.

The invention discloses a method for relieving low-temperature stress injury of chili seedlings. The method comprises steps as follows: selecting chili seeds with uniform size and full and consistentgrains; uniformly mixing vermiculite and perlite in the volume ratio being 3:1 to serve as a matrix; preparing EBR (24-epibrassinolide); performing disinfection, seed soaking and germination acceleration treatment on the chili seeds; sowing the chili seeds after germination acceleration treatment in the matrix, and watering the chili seeds with 1/2 Hoagland nutrient solution; after seedlings comeinto 6-7 true leaves, spraying an EBR spray solution with the concentration being 0.1 mu M to leaves of seedlings at the low-temperature stress temperature at 20:00 clock every day and spraying the EBR spray solution continuously for 3 d, wherein the low-temperature stress temperature is the temperature which is lower than 20 DEG C in the daytime and is 5-12 DEG C at night. By means of the method,the cold resistance of the chili seedlings can be improved, stress injury of low-temperature cold damage to the chili seedlings can be relieved, and the scheme is convenient and easy to implement andnot limited by territory.

The invention discloses an agent for obtaining seedless grapes, comprising the following components in percentage by weight: 1-3 percent of gibberellic acid, 1-3 percent of 6-benayl aminopurine, 0.1-0.3 percent of alpha-rhodofix, 0.1-0.3 percent of forchlorfenuron, 0.01-0.02 percent of 24-epibrassinolide and 2.79-3.98 percent of tween 20. the agent for obtaining seedless graps can be prepared by adding the compounds into 90-95 percent of water or alcohol in the proportion and completely dissolving. spicae and fruit ears can be dipped with the agent 10-20 day before flowering and5 days and 10-20 days after flowering; and corresponding matched cultivating and managing technologies are carried out to obtain high-quality seedless grapes. The seedless agent for grapes can raise a seedless rate to 100 percent, and by using the agent, grapes have larger fruit and higher sugar content after being denuclearized, fruit keeping fresh period on plants can be prolonged, fruition rate is increased and the quantity of grapes is improved obviously, and social benefit is increased.

The invention provides foliar fertilizer capable of promoting early germination of tea trees and an application of the foliar fertilizer and belongs to the technical field of agriculture. The foliar fertilizer is prepared from 24-epibrassinolide, monopotassium phosphate, dipotassium hydrogen phosphate trihydrate, ethanol, tween 60 and water. The foliar fertilizer has the beneficial effects of being convenient to use, low in cost and free of toxic and side effects. After used, the foliar fertilizer can promote a germination period of the tea trees to be 4-7 days earlier, can improve the photosynthesis of the tea trees and increase the tea yield, has obvious effects and can be widely applied to tea garden production.

The invention discloses a drug for preventing and controlling plant greensickness. The drug is a solution of 24-epibrassinolide or derivative thereof, preferably an aqueous solution. In the aqueous solution, the molar concentration of 24-epibrassinolide or derivative thereof is 1nM-1000nM. The plant greensickness is caused by Verticillium dahliae. The application of 4-epibrassinolide or derivative thereof in preparing Verticillium dahliae bactericide or preventing and controlling the plant greensickness also belongs to the protection range of the invention. The bactericide or drug provided by the invention has excellent preventing and controlling effects for the greensickness of different kinds of cottons, and meanwhile, the bactericide or drug has excellent preventing and controlling effects for the greensickness caused by different greensickness bacterial strains (such as, strong greensickness pathogenic bacteria Linxi 2-1 and temporal hairline 1-1, medium pathogenic bacteria strain Nangong 4-2 and weak pathogenic bacteria strain Pingxiang 5-2). Thus, the bactericide or drug provided by the invention can effectively prevent and control the plant greensickness and has wide application prospect.

The invention discloses a preparation method of efficient fertilizer capable of improving verticillium wilt resistance of tomatoes. Zinc dithiocarbamate, gibberellin, 24-epibrassinolide and sodium hypochlorite are subjected to ultrasonic dispersion treatment by the aid of soluble micromolecular chitosan and starch microspheres, slow-release disease control factors easy to absorb and use are obtained, long-term absorption and utilization of the slow-release disease control factors are facilitated in the cucumber growth process, the planting workload due to repeated fertilization is avoided, andthe resistance of tomatoes to verticillium wilt can be improved; the slow-release disease control factors are dried into powder with a freeze drying technology, drying is quick, granules are fine andcannot agglomerate to form cakes, and active ingredients are not damaged. Raw and composted edible fungus materials are mixed and added, the nutrient elements of the efficient fertilizer are enriched, the fermentation speed of the efficient fertilizer can be increased, the fermentation composting time can be shortened, and the preparation efficiency of the efficient fertilizer is improved.

The invention discloses a high-effective fertilizer for improving greensickness resistance of tomatoes. The fertilizer includes, by mass, 0.1-0.5 parts of a sterilizing agent, 5-8 parts of a traditional Chinese medicine agent, 2-4 parts of s-adenosylmetionine, 2-4 parts of diammonium phosphate, 2-4 parts of nitrohumic acid, 15-20 parts of banyan leaves, 3-8 parts of soluble small-molecular chitosan, 12-15 parts of chestnut shell powder, 15-20 parts of animal feces, 3-5 parts of starch microspheres, 0.2-1 part of a microelement additive, 10-15 parts of corncob, 2-5 parts of zinc aminodithioformate, 1-3 parts of borax, 1-3 parts of magnesium sulfate, 1-3 parts of potassium chloride, 20-30 parts of pond sludge, 10-15 parts of plant ash, 13-15 parts of rotten fruits, and 60-90 parts of water.In the invention, gibberellins, 24-epibrassinolide and sodium hypochlorite are subjected to dispersion treatment under ultrasonic wave with the soluble small-molecular chitosan and the starch microspheres, thus producing the sustained-releasing disease control factor which is easy to absorb and utilize. In the fertilizer, the sustained-releasing disease control factor can be absorbed and utilizedfor a long time during growth of tomatoes, thus avoiding increase of planting labor quantity due to repeated fertilization. Meanwhile, resistance of the tomatoes against the greensickness is improved.

The invention provides a cotton low-temperature regulator and a preparation method and use method thereof. 24-epibrassinolide in a cotton low-temperature regulator can help to improve the low-temperature resistance of the cotton seedling. Under dissolution action of ethanol, the 24-epibrassinolide and azone are fully dissolved in water so that the components in the form of a solution can be absorbed by cotton seedlings. The azone can be used as a penetrant and can promote cotton leaf absorption with the low-temperature regulator. Other components such as 24-epibrassinolide can permeate into the cotton leaves. The 24-epibrassinolide, Tween and organosilicone produce synergism to improve the effects of the low-temperature regulator so that the low-temperature resistance of the cotton seedlings is improved. The experimental result shows that the cotton low-temperature regulator can improve the low-temperature resistance in the cotton seedling period, delay or prevent the damage caused bya low temperature to the cotton seedling cell membrane, relieve the damage to chlorophyll at a low temperature, keep the high photosynthetic capacity of the cotton seedlings under low temperature stress and promote the plant growth.

The invention relates to application of 24-epibrassinolide and a 24-epibrassinolide containing environment-friendly preparation for preventing and treating tea tree anthracnose, and belongs to the technical field of agriculture. The invention discloses application of the 24-epibrassinolide for preventing and treating the tea tree anthracnose on one hand, and discloses the 24-epibrassinolide containing environment-friendly preparation for preventing and treating the tea tree anthracnose on the other hand. The preparation has the beneficial effects that the cost is low; the use is convenient; notoxic and side effects exist. After the biological preparation is used, the scab area can be effectively reduced; meanwhile, the disease incidence of the anthracnose of tea trees in a tea garden is reduced; the preparation can be widely applied to prevention and control management on the anthracnose in the tea leaf production.

A method for improving blood cholesterol and its conjugates levels in a mammal, which is based on the administration of steroidal plant hormone 24-epibrassinolide.

The invention discloses a fertilizer application method capable of improving the panicle weight of rice. The fertilizer application method comprises the following steps: on the basis of applying a Stanley fourth-element compound fertilizer, spraying a 24-epibrassinolide solution, wherein the application amount of the Stanley fourth-element compound fertilizer is 500 to 900 kg per hectare; on the basis of applying the Stanley fourth-element compound fertilizer, spraying the 24-epibrassinolide solution in the initial stage of young spike differentiation; and on the basis of applying the Stanleyfourth-element compound fertilizer, carrying out foliage spray with the 24-epibrassinolide solution. The fertilizer application method provided by the invention is used in places like Shandong Qingdao, Dongying and Jiangsu Yancheng, increases the panicle weight of the rice compared with the panicle weight of contrasted rice, and is applicable to japonica rice and indica rice at the same time.

The invention provides a method for regulating the heavy metal cadmium accumulation of rice and relates to the technical field of rice planting. A 24-Epibrassinolide solution with the concentration of 150-300 micrograms per liter is prepared from 24-Epibrassinolide and water, and then in the rice planting process, the 24-Epibrassinolide solution is sprayed on leaves of the rice obtained through the cadmium stress cultivation. Through the research, the method for regulating the heavy metal cadmium accumulation of the rice can be provided, and the method has a very beneficial practical significance on both safe production of the rice and the remediation of cadmium contaminated soil. Meanwhile, the rice serves as a conventional crop, and a conventional agricultural method is adopted in the field management, so that the operating difficulty of the further application of the method is reduced.

The invention provides a rice photoperiod-temperature-sensitive genic male sterility line hybridization fruit setting accelerant and a preparation method thereof. The accelerant is prepared from acetic acid, ethyl alcohol, 24-epibrassinolide and water. A solution is prepared in proportion and then sprayed in a heading period, therefore, the vitality of rice photoperiod-temperature-sensitive genic male sterility line pistil can be improved, water absorption germination of restoring line pollen grains on a photoperiod-temperature-sensitive genic male sterility line stigma and growth of a pollen tube are promoted, and the fruit setting rate and the seed yield of a pollinated ovary are increased. When high temperature occurs in the heading and flowering period, adverse influences of the high temperature on hybridization fruit setting and the seed yield of a rice photoperiod-temperature-sensitive genic male sterility line can be effectively reduced by spraying the rice photoperiod-temperature-sensitive genic male sterility line hybridization fruit setting accelerant solution, and therefore losses are reduced.

The invention discloses a pesticide residue degradation agent which comprises the following raw materials in parts by weight: 20-35 parts of chitosan oligosaccharide, 5-10 parts of 24-epibrassinolide,5-10 parts of Biya enzyme, 5-7 parts of beta-complex detoxifying enzyme, 1-3 parts of carbon enzyme, 10-20 parts of shell powder, 6-10 parts of a mixed bactericide, 2-4 parts of potassium selenite, 30-50 parts of water and 10-20 parts of attapulgite. On the basis of accelerating the metabolism of various pesticides, the pesticide residue degradation agent can realize the absorption and the degradation of residual pesticides, thereby greatly reducing the residual level of the pesticides; and at the same time, the pesticide residue degradation agent is capable of activating soil, inhabiting diseases and improving crop quality.