24 results about "Ethephon" patented technology

The invention relates to a composition and a medicament for inhibiting sprouting of wheat ears and application of the composition and the medicament, and belongs to the technical field of plant growth regulators. Experiments prove that when prohexadione calcium or ethephon is combined with S-abscisic acid for use, the effect of the composition is obviously superior to that of single use of S-abscisic acid, and the drug effect lasts for a longer time. It is proved for the first time that a synergistic effect exists between prohexadione calcium or ethephon and S-abscisic acid, the drug effect can be better achieved, and meanwhile the use amount of S-abscisic acid is remarkably reduced. The composition for inhibiting wheat pre-harvest germination provided by the invention effectively overcomes the defects of unstable effect, pesticide residue and the like in the prior art, can improve the effect of singly using S-abscisic acid, and achieves the purposes of controlling pre-harvest germination and not influencing wheat yield.

The present application belongs to the field of material and food technology, and discloses a compound grape drying accelerator, which comprises ethephon, gibberellic acid and ascorbic acid. The drying accelerator is compounded by ethephon, gibberellic acid and ascorbic acid. After the drying accelerator is applied in the preparation of raisins, the water loss rates of Muscat Hamburg and seedless red globe can reach 70% to 79%. Ethephon and gibberellic acid are hormones produced by plants, and ascorbic acid is harmless to human bodies. The drying accelerator improves the drying rate of raisins, shortens the drying time of raisins, effectively retains anthocyanins, antioxidant active substances and total phenol content in raisins, and has the effect of inhibiting the generation of pathogenic and rot-causing microorganisms. In summary, the novel compound biological drying accelerator can effectively improve the drying efficiency, better retain the nutritional components in grapes, and is safer than chemical drying accelerators.

A method is disclosed for synthesizing Ethephon-THAMs and using it as a controlled ethylene-releasing agent in potato tissue culture. The invention enables selective enhancement of shoot or root development and improves micropropagation efficiency

The invention provides a high-efficiency ethylene preparation method, and relates to the technical field of chemical synthesis. According to the method, ethephon ClCH2CH2PO (OH) 2 is used as an ethylene precursor, barium hydroxide Ba (OH) 2 is used as an alkaline reaction medium, ethylene is efficiently prepared through hydrolysis reaction at normal temperature, and high temperature and strong acid are not needed in the core reaction. The core innovation lies in that a'mild hydrolysis-directional gas production 'technology is adopted, the raw material ratio and reaction conditions are optimized, rapid gas production within 1 minute is realized, and the purity of ethylene is greater than or equal to 92%; the raw materials are easy to purchase, low in price and high in safety, byproducts can be recycled, and the problems that a traditional concentrated sulfuric acid dehydration method is high in corrosion risk, large in energy consumption and many in byproducts are solved. The method is easy and convenient to operate and visual in phenomenon, the gas production efficiency is improved by 60% or above compared with that of a traditional method, the cost is reduced by 50%, the ethylene property verification requirement in teaching is met, efficient preparation of small experiment scenes is also adapted, and remarkable safety, economical efficiency and practicability are achieved.

The invention discloses a high-efficiency and low-cost durian ripening acceleration method, and belongs to the technical field of fruit ripening acceleration, the durian ripening acceleration method comprises the following steps: placing durian with the first-grade ripening degree in a fruit packaging carton, taking an ethephon controlled release bag, soaking with water, placing in the fruit packaging carton, closing a carton cover, placing at the temperature of 25-28 DEG C for 4 days, opening the carton cover every 6-8 hours for ventilation for 1-2 minutes, and then taking out the durian; the invention further discloses a preparation method of the ethephon controlled release bag. Compared with an existing ethylene gas ripening method, the method can be implemented by adopting a common fruit packaging carton, professional equipment is not needed, and the cost is reduced; compared with an ethephon liquid ripening method, the method has the advantages that ethylene gas is slowly and continuously released through the hydrolysis effect of the ethephon controlled release bag, uniform ripening of the durian is achieved, negative problems caused by uneven spraying of the ethephon liquid are effectively avoided, the environmental protection risk is greatly reduced, and the method is suitable for large-scale popularization and application.

Wacker oxidation can be used as a signal transduction mechanism for the selective and sensitive detection of ethylene in air via chemiresistive sensing. Using this system, the senescence of lisianthus flowers and carnations can be monitored.

The invention belongs to the field of durian cultivation, and particularly relates to a durian flower forcing agent, a preparation method and application. According to the durian flower forcing agent, prohexadione calcium, potassium phosphite, benzyl benzyl aminopurine, thidiazuron and ethephon are reasonably combined, durian can be promoted to bloom in advance, the durian flower forcing agent is diluted and then sprayed to durian trees, budding of the durian trees can be achieved 9 days after spraying, and the budding time and the blooming time are shortened; meanwhile, the cluster number of durian flower buds can be remarkably increased, important guarantee is provided for increasing the yield of durian, and economic benefits of durian cultivation can be greatly increased.

The invention discloses a method for inducing pineapple to generate multiple crown buds, and belongs to the technical field of plant cultivation. The method comprises the following steps: after pineapple plants reach a treatment standard, carrying out flower forcing and germination accelerating induction treatment by adopting a 500-1000-fold solution of 40% ethephon water and 0.2% urea, then spraying a mixed solution of 0.01% melissyl alcohol, 0.01% IBA and 0.01% paclobutrazol to promote germination, and then carrying out film covering treatment for 3-5 days by using a plastic film; after the treatment is completed for 20-40 days, entering a budding and reddening period, and gradually showing complete multi-crown buds. After the crown buds are transplanted into the seedling raising cups, foliar fertilizer is sprayed, 0.01% melissyl alcohol 1000-2000 times liquid is additionally applied after transplanting is conducted for 15-20 days, and after crown bud seedlings grow to be 30-35 cm high and the stem thickness is 2.0 cm, the crown bud seedlings can be outplanted. According to the method, the ethephon, the urea, the melissyl alcohol, the IBA and the paclobutrazol are adopted to jointly achieve the effects of forcing flowers and promoting buds, the average number of crown buds of pineapple plants reaches 14-16 and is higher than the conventional breeding level, and the crown buds reach the outplanting standard 60-65 days after being transplanted. Therefore, the method can effectively improve the pineapple breeding efficiency.

The invention relates to the technical field of fruit tree cultivation, and provides a facility fresh jujube ripening period regulation and control cultivation method, which utilizes an artificial regulation and control means of breaking dormancy by GA3 and promoting fallen leaves by ethephon to break the natural dormancy and growth cycle limitation of jujube trees; an illumination, temperature, fertilizer and water integrated precise management and control system is matched, and appropriate conditions are created for growth and development of the second-crop jujubes through light supplementing, sunshine delaying, staged temperature control and differentiated fertilizer and pesticide management; in addition, a whole-year two-crop seamless connection cultivation process is constructed, and the whole process from dormancy breaking, fruit setting, ripening to harvesting is controllable. The method can make full use of the characteristics of early maturation and controllable environment of jujube trees in a facility greenhouse, meets the growth and development conditions of two crops of jujube trees, breaks through the traditional cultivation mode of one-year maturation of jujube trees, and realizes two-time maturation of facility fresh jujubes; the mature period of the facility second-crop fresh jujubes can be regulated and controlled before the Spring Festival, the economic value of the facility fresh jujubes is greatly improved, and the method has important significance for promoting the development of the fresh jujube industry.

The application provides a grape branch aging promotion method and relates to the grape planting technical field.The grape branch aging promotion method is mainly aimed at early promotion cultivation or delayed cultivation of grapes, on the basis of controlling field soil humidity, intermittently spraying potassium dihydrogen phosphate solution before the second pruning according to the concentration from low to high, and then continuously spraying ethylene with different concentrations to promote branch aging.The application overcomes the shortcomings of the prior art, promotes grape branch aging and leaf nutrient return, improves the nutrient accumulation of early promotion cultivation and delayed cultivation of grapes, reduces flower bud degeneration, and improves the bud eye germination rate and fruiting branch rate by controlling water, spraying foliage fertilizer and comprehensively applying plant growth regulators at the key phenophase.

According to the industrial culture method for the sinonovacula constricta in the high-temperature period, the illumination condition of the sinonovacula constricta is changed into low-intensity yellow light, so that the high-temperature stress of the sinonovacula constricta is greatly relieved, the growth speed and the survival rate of the sinonovacula constricta are remarkably increased, and the sinonovacula constricta is better in nutrition and meat quality; in addition, after sea mud is replaced with glass sand as a culture substrate, the cultured sinonovacula constricta is bright yellow in color and luster, and the selling price can be greatly increased. Moreover, high-temperature-resistant microalgae separated from a seawater pond in summer is selected as bait, and ethephon and spermidine are added into the culture medium, so that the high-temperature tolerance of the microalgae is further improved, and stable supply of the bait for the juvenile sinonovacula constricta in the high-temperature period is guaranteed.

This application discloses a method for the continuous preparation of ethephon, belonging to the field of ethephon preparation. The method includes the following steps: pre-dispersing bis(2-chloroethyl)-(2-chloroethyl)phosphonate, ethephon, and hydrogen chloride gas to obtain a gas-liquid dispersion with a dispersed phase size ≤1 mm; conveying the gas-liquid dispersion to a micro-packed bed reactor for reaction to obtain reaction products; and separating the reaction products to obtain a liquid-phase crude ethephon product. This application, by pre-introducing ethephon into the reaction feedstock system and enhancing the dispersibility of the feedstock system, can accelerate the heat and mass transfer process of the reaction system, significantly improve reaction efficiency, and avoid the generation of by-products. It features high feedstock conversion rate, high product purity, high product space-time yield, and short reaction time, enabling efficient, safe, and continuous production of ethephon with broad application prospects.

The invention relates to the technical field of corn dehydration, in particular to a composition and application thereof in promoting corn kernel dehydration. The composition comprises thidiazuron and ethephon. The inventor of the application finds for the first time that when the composition containing thidiazuron and ethephon is used for treating corn, the water content of corn kernels can be remarkably reduced while the corn yield is not reduced.

The invention belongs to the field of vegetable and fruit preservation and transportation, and particularly relates to a ripening coating for vegetables and fruits and a preparation method and application of the ripening coating. The ripening coating for vegetables and fruits comprises a connecting layer, a functional layer and a film forming layer which are sequentially compounded, the connecting layer is used for connecting the carrier and the functional layer; the functional layer is prepared from the following raw materials in parts by weight: 25 to 41 parts of vinyl acetate, 0.5 to 2.5 parts of propylene glycol methyl ether acetate, 3 to 10 parts of plasticizer, 6 to 20 parts of ethephon and 1 to 16 parts of epoxy resin; and the film forming layer is used for protecting the functional layer. By coating the inner surface of the carton, the strength and original functions of the corrugated carton are not affected while the carton is endowed with a ripening function, and the treatment process is relatively simple and easy to implement.

The invention relates to the technical field of chemical industry production by-product post-treatment, in particular to an ethephon by-product post-treatment system and process. The ethephon by-product post-treatment system comprises a primary distillation unit, a neutralization extraction unit and a dehydration drying unit which are connected in sequence; instant efficient mixing and thorough separation of dichloroethane and washing water / alkali wash water are forcibly realized through high-speed centrifugal force, and the bottleneck of incomplete separation is solved. Moreover, the material flows from the first stage to the Nth stage, the washing water reversely flows from the Nth stage to the first stage, and the alkali liquor is accurately injected at the (N-1) th stage, so that efficient counter-current extraction is formed, the impurity removal efficiency is greatly improved, subsequent rectification is not needed, and the process is simplified. And meanwhile, the neutralization and extraction unit realizes the separation effect which can be achieved by huge equipment in the traditional process through a compact serial modular structure, and the equipment investment and the space cost are remarkably reduced.

The invention discloses a regulator for promoting melon to blossom and bear fruits, and belongs to the technical field of plant growth regulation. The regulator for promoting the melon to blossom and bear fruits is prepared from the following raw materials in parts by mass: 2 to 3 parts of spermidine, 2 to 3 parts of gibberellin, 4 to 6 parts of cytokinin, 2 to 3 parts of ethephon, 4 to 5 parts of seaweed extract, 3 to 4 parts of phytosterol, 10 to 15 parts of xanthan gum and 6 to 8 parts of vitamin E. The regulator can improve the flower bud differentiation effect of the muskmelons, and solves the problems of poor growth and development, unstable fruit setting, yield reduction and the like of the muskmelons under low-temperature stress. In addition, the regulator is long in lasting period and stable in effect, and the use frequency can be reduced under the condition that the effective concentration of the growth regulating substance is guaranteed.

The invention discloses a fruit ripening method based on synergistic interaction of plasma sterilization and internal and external source ethylene, which comprises the following steps: firstly, efficiently purifying and sterilizing the environment of a ripening warehouse body through a pulse plasma technology to prevent rotting microorganisms from influencing the ripening process and fruit quality; then, 65% Vol high-alcohol rice wine is adopted for nanometer atomization treatment, and release of endogenous ethylene in the fruits is stimulated in an oriented mode; meanwhile, a composite ethylene slow-release supplement is adopted to replace a traditional ethephon solution, the supplement comprises an ethephon (CHClOP) / beta-cyclodextrin inclusion compound, Tween 80 and sodium bicarbonate, and stable slow release of exogenous ethylene is achieved. According to the method, the comprehensive effects of sterilization, uniform color changing, sugar accumulation and loss reduction in the ripening process are synchronously achieved through plasma space purification and internal and external source ethylene cooperative regulation and control, leap-type optimization of fruit quality parameters is achieved, no harmful by-product is generated, and the dual strict requirements of industrial processing for ripening efficiency and product quality are met.

A fertilizer composition according to an embodiment may reduce methane gas emission. The fertilizer composition includes ethephon as an effective component, and has an excellent effect of reducing the emission amount of methane gas from soils in which crops are cultivated. As the fertilizer application can be reduced to one application, labor can be saved and also environmental contamination can be prevented.

This invention belongs to the field of fruit tree cultivation and relates to a flower thinning agent and its application method. The flower thinning agent comprises 6-benzylaminopurine, naphthaleneacetic acid, and a growth regulator; the growth regulator comprises one or more of brassinolide, gibberellin, indolebutyric acid, chlorobenzyl urea, triacontanol, aminoethyl ester, 2,4D, and ethephon. This invention also provides a flower thinning agent containing calcium formate or 5-ALA, which further contains one or both of ethephon and naphthaleneacetic acid. Both flower thinning agents can achieve good flower thinning effects with a single application, resulting in a single fruit rate as high as 50-85%; alternatively, when 20-30% of the central flowers are open, a flower thinning agent containing 6-benzylaminopurine and naphthaleneacetic acid can be sprayed first, followed by a flower thinning agent containing calcium formate or 5-ALA 1-2 days later, to obtain an extremely high single fruit rate. In practical applications, the choice can be made according to the needs of yield, fruit set rate, etc., offering high flexibility.

This invention relates to the field of pesticide technology, specifically to a soluble agent of ethephon and oligosaccharide and its preparation process. By mass percentage, the raw materials for preparation include at least 20-30% ethephon, 1-10% oligosaccharide, 10-20% nonionic surfactant, 5-10% anionic surfactant, 5-15% solvent, 2-5% antifreeze agent, 1-3% silane adjuvant, 0.5-1% pH adjuster, and deionized water to make up the balance. The agent is a compound of ethephon and oligosaccharide, especially when the mass ratio of ethephon to oligosaccharide is controlled at (4-9):1. This effectively inhibits crop height and increases crop yield, achieving a regulatory effect on crop growth while improving crop disease resistance, thus achieving the purpose of disease prevention and control and increased product yield.

The invention discloses a Macleaya cordata dwarfing and stem strengthening cultivation method, and belongs to the technical field of dwarfing cultivation, the method comprises the following steps: S1, soil pretreatment: using pine needles to carry out soil decomposition pretreatment to obtain a decomposed substance; s2, soil preparation and furrowing: mixing the decomposed substances with field soil, and performing deep ploughing, leveling and furrowing; s3, sowing and first chemical control: after sowing, spraying a composite dwarfing agent on leaf surfaces for the first time in a seedling stage of macleaya cordata; s4, pinching: pinching when the plant grows to the height of 50cm; s5, field management and harvesting: spraying the compound dwarfing agent on leaf surfaces for the second time in a squaring stage of macleaya cordata, and performing conventional management until harvesting; the composite dwarfing agent comprises chlormequat chloride, a root growth promoting agent, ethephon, a biological stimulant, trace elements and an auxiliary agent, and a solvent is water. According to the method, an ideal plant type control effect is achieved, the economic yield and the medicinal component content are remarkably increased, and the method has the advantages that the dwarfing effect is stable, the plant robustness is high, and the yield and quality are synergistically improved.

This invention discloses a method for improving the germination rate of *Hippophae rhamnoides* seeds. The method involves first soaking the *Hippophae rhamnoides* seeds in an ethephon solution, and then soaking the ethephon-treated seeds in a sodium nitroprusside solution. This solution solves the problem of low germination rate of *Hippophae rhamnoides* seeds in existing technologies.

The application relates to the field of agricultural planting technology and discloses a high-yield method for spring corn close planting, which comprises the following steps: adopting film mulching drip irrigation seeding and performing normal water and fertilizer management; in the jointing stage, a nutrient solution containing self-extrusion slow-release microspheres, zinc sodium ethylenediaminetetraacetate and compound amino acids is pressed into a root area with tail water, water supply is stopped to maintain moderate water deficit, a first regulation liquid containing amine fresh ester and ethylene is sprayed on a leaf surface; in the big trumpet stage, water supply is restored and a second regulation liquid containing a compound light shield film agent is sprayed; before male flowering, soil matric potential is monitored, when reaching a drought threshold, a third regulation liquid containing 14-hydroxy brassinosteroid and fluid boron is sprayed; and in the early filling stage, a fourth regulation liquid containing the compound light shield film agent is sprayed. By introducing self-adaptive release microspheres and a film agent for improving light transmittance, combining water management and chemical regulation, the anti-lodging capacity of the close planting population is improved, the bare tip rate caused by water shortage is reduced, leaf early senescence is slowed down, and the dry matter fullness of grains is ensured.

The invention relates to ethephon seed treatment liquid as well as a preparation method and application thereof. The liquid comprises the following components in percentage by mass: 15%-30% of ethephon, 0.5%-1.5% of chitosan hydrochloride, 2%-5% of porous starch, 1%-3% of a penetrating agent, 1%-2% of a buffering agent, 0.05%-0.2% of a chelating agent, 0.1%-0.5% of a suspension stabilizer and the balance of water; and the pH value is 2.5-3.0. The preparation method mainly comprises the steps of dissolving, shearing and dispersing, mixing, adjusting pH and the like. After being used for seed soaking treatment, the liquid can be matched with an insecticide for seed dressing, so that an'immune induced resistance-chemical prevention and control 'dual prevention and control system is constructed. Compared with a conventional ethephon agent, the preparation provided by the invention can significantly improve the adsorption capacity and the uptake conduction efficiency on the seed surface, and effectively solves the problems of poor adhesiveness and easy loss of a traditional preparation. After the composition is combined with an insecticide, a synergistic effect can be achieved, the prevention and control effect on target pests is improved, and a technical support is provided for pesticide decrement and synergism.