261 results about "Thidiazuron" patented technology

The invention relates to a plant growth regulator composition containing maleic hydrazide and the purposes thereof. The composition contains maleic hydrazide (A) and a combination of known plant growth regulators, such as paclobutrazol, uniconazole, cycocel, mepiquat chloride, triapenthenol, daminozide, ethephon, taterpex and thidiazuron, wherein the weight ratio of the (A) to the (B) is 1: 300 to 500:1 and preferable 1:100 to 300:1, the (A) and the (B) can be proportioned with known aids and an excipient to prepare any agriculturally acceptable preparation; and the agriculturally acceptable preparation can be diluted with water or soil into a needed concentration of 1-8000 mg / kg, preferable 50-5000 mg / kg and used for regulating the growth of cultured plants, such as hedge plants, lawns, landscape plants, fruit trees, vegetables, economic crops, food oil crops and forage grass through the treatments of irrigation, flood irrigation, fertilization with water, jetting, spraying, scattering, smearing, injecting, transfusing, dressing seeds, spreading fertilizer, dispersing, and the like. The composition has the advantages of wide range of applications, low cost, good effect and synergy.

The invention discloses a plant growth regulating composition and its application. The composition comprises the following components: A) natural abscisic acid, B) gibberellic acid (GA3, or of GA4 +7), and C) an existing plant growth regulator. The existing plant growth regulator is selected from one or more than two of 6-BA (6-benzylaminopurine), thidiazuron, brassinolide, sodium nitrophenolate, potassium nitrophenolate, chlormequat chloride, triacontanol, naphthlcetic acid and its salt, indolebutyric acid and its salt, indoleacetic acid and its salt, ethephon, diethyl aminoethyl hexanoate, paclobutrazol, uniconazole, fulvic acid, Mepiquat chloride, nitrohumic acid, jasmonic acid and triapenthenol. Specifically, the components A), B) and C) are in a weight ratio of 1:0.001-500:0.001-500. The S-ABA (S-abscisic acid) added in the invention can expand the prevention and treatment objects, reduce or prevent phytotoxicity, reduce dosage, and lower the use cost.

The invention relates to a tissue culture and rapid propagation method of acer palmatum. The method comprises the following steps of: after a series of sterilization processes, carrying out isolated culture on acer palmatum stems by adopting NN69 as a basic culture medium; and establishing a rapid propagation system of the acer palmatum by utilizing hormone regulation and control to successfully culture an integrated rooting regeneration plant with a transplant survival rate of about 90 percent, wherein a starting culture medium for inoculating a primary generation comprises the NN69, 0.1mg / L of NAA (Naphthylacetic Acid), 0.3mg / L of TDZ (Thidiazuron) and 30g / L of sucrose with a pH value of 5.8; an enrichment culture medium comprises the NN69, 30g / L of sucrose, 0.1mg / L of NAA and 0.8mg / L of KT-30; and a rooting culture medium comprises 1 / 2 NN69, 0.2mg / L of NAA, 20g / L of sucrose and 0.2g / L of active carbon. The method overcomes the defects of long conventional seedling culturing period of the acer palmatum, low cuttage propagation coefficient, and the like and realizes the industrial production of acer palmatum nursery stocks.

A method for regulating the blossoming period of spring dendrobium nobile featues that after the blades of its pseudobulb are fully developed, the mixed solution containing paclobutrazol and abscisic acid is sprayed onto the surface of blades for promoting the pseudobulb to become rope, and after 10-15 days, the solution containing thidiazuron is sprayed on the surface of its leaf for inducing the generation of flower buds.

The invention relates to a growth regulator of a combination cotton of thidiazuron and ethephon, which is characterized by comprising the following components according to weight percentage: 45 to 90 percent of active ingredients of the thidiazuron and the ethephon and residual addition agent, wherein, the weight ratio of the thidiazuron and the ethephon is 1:2.5 to 5. The invention adopts osmotic agent of the addition agent, solid carrier, wetting agent and dispersant, etc. commonly used in the agricultural chemical field to be made into wetting powder formulation, the formulation can be used as plant growth regulator for the ripening and defoliation of cotton. The growth regulator of the invention has the advantages of good effects on the defoliation and ripening of cotton, improving the grade of cotton, increasing the output of cotton, especially the output before frost and improving the benefits of farmers.

A method for promoting the bigbract Herb dendrobin to flower earlier by using plant growth regulator includes such steps as inducing (floral induction and flower bud breeding) to the bigbract Herb dendrobin in greenhouse, spraying the low-concentration solution of gibberellin onto its stem after its pseudobulb is ripe, spraying the mixed solution of paclobutrazol and thidiazuron onto its stem after 7 days, and spraying said mixed solution after 14 days.

The invention discloses a polygonatum rhizome plantation method, which comprises the steps of breaking the polygonatum rhizome rhizome every 2-3 knots for seeds; scratching the surface with a blade and then putting the seeds in a mixed solution of potassium permanganate aqueous solution, thidiazuron solution and indole butyric acid aqueous solution for immersion; then pressing the rhizome after immersion into a ridge with the bud upward; controlling the temperature and humidity until the polygonatum rhizome rhizome has 1-2 buds thereon; digging deeply on the ridge between the rhizomes with a narrow shovel and applying diamines composite fertilizer between the digging seam; and weeding and eliminating insects regularly. The invention has the advantages that the method is simple and practical; the cost is low; more buds can grow out within short time; polygonatum rhizome germination coefficient is increased; fertilizer utilization efficiency can be raised; biological accumulation amount of the polygonatum rhizome rhizome in unit time can be effectively improved; the shortage of polygonatum rhizome seeds is alleviated; demand of planting polygonatum rhizome in large area and large scale is satisfied; and the method is significant in both production and economy.

The invention discloses a method for simultaneously determining multiple plant growth regulators in exported vegetables. The method comprises the following steps: extraction, purification, concentration, ultrahigh-performance liquid chromatography-triple quadrupole / composite linear ion hydrazine mass spectrometer (UHPLC-QTRAP) determination and the like. The method can simultaneously determine the 17 plant growth regulators, including gibberellin, indolyl-3-butyric acid, p-chlorophenoxyacetic acid, abamectin, diethyl aminoethyl hexanoate, atrazine, simazine, 6-benzyl aminopurine, 2,4-dichlorphenoxyacetic acid, forchlorfenuron, mepiquat chloride, chlormequat chloride, paclobutrazol, uniconazole, abscisic acid, thidiazuron and p-fluorophenoxyacetic acid. The method disclosed by the invention has the advantages of simple steps, short time consumption, high accuracy and high precision.

The invention provides a long-distance transportation comprehensive refreshing processing method of cut-flower chrysanthemum. The method comprises a step of sprinkling fruit wax on a cut-flower before transportation. The invention also provides a kit for carrying out refreshing processing on the cut-flower. The kit comprises (1) thidiazuron and (2) at least one of free 8-hydroxyquinoline, a citric acid, an ascorbic acid, sugar, triton and the fruit wax. The invention further provides an application of the kit in the refreshing processing of the cut-flower. The cut-flower chrysanthemum long-distance transportation comprehensive refreshing processing method provided by the invention has the advantages that the quality after transportation of the cut-flower is observably improved, and especially the flower opening quality and blade freshness quality are improved.

The invention provides a plant growth regulating composition and a preparation thereof. The plant growth regulating composition contains thidiazuron, gibberellic acid and azone. Field efficacy tests prove that the plant growth regulating composition and the preparation thereof provided by the invention can be used for promoting the growth of fruits as well as preventing thickening and induration of fruit stems after being used for treating the fruits.

The invention relates to the technical field of pesticide, and concretely relates to thidiazuron-diuron static liquor. The thidiazuron-diuron static liquor is composed of active components thidiazuron and diuron, a dispersant, a conductive agent, a cosolvent and a solvent. The thidiazuron-diuron static liquor comprises the following components in parts by mass: 0.1-40.0% of thidiazuron, 0.1-20.0% of diuron, 1.0-10.0% of the cosolvent, 1.0-10.0% of the dispersant, 1.0-8.0% of the conductive agent, and the balance being the solvent. By aiming at the practical problems in production, thidiazuron and diuron enable complex formulation, and are developed to the static liquor which has the advantages of environment protection, high crop utilization rate, rapid drug effect, convenient application, safety to the workers, and labor and time saving. If an unmanned plane is used for spraying the thidiazuron-diuron static liquor, take-off frequency of the unmanned plane is reduced, and spraying efficiency of the unmanned plane can be greatly increased.

An aqueous suspension or slurry (suspension concentrate) contains a synergistic amount of thidiazuron, diuron and surfactants. The aqueous suspension contains surfactants in amounts to obtain a stable suspension or slurry without the use of organic solvents.

The invention provides a defoliation ripener used for cotton, which comprises thidiazuron, diuron and ethephon with mass ratio of 1-95: 0.1-40: 10-70. The defoliation ripener used for cotton has the functions of defoliation and acceleration of maturation after the ripener is used on cotton, and the yield for the cotton is not reduced.

The invention provides a high-efficiency defoliating and ripening agent used before picking cotton. The high-efficiency defoliating and ripening agent is prepared by the following steps of: fully stirring 250 to 850 kilograms of ethrel, 55 to 200 kilograms of thidiazuron, 0.50 to 1.90 kilograms of DT34 auxiliary agent and 0.15 to 0.60 kilograms of DM12 auxiliary agent in a reaction kettle in turn; fully dissolving 15 to 53 kilograms of water and 0.18 to 0.22 kilograms of silicone antifoaming agent in advance to obtain solution; adding the solution; and stirring for 25 to 30 minutes at normal temperature and normal pressure to obtain a finished product. The defoliating and ripening agent is sprayed in an application dosage of 80 to 120ml / mu when the cotton fiber grow rate is over 60 to 70 percent before picking the cotton. The defoliating and ripening agent is sprayed at 6 to 8 pm in September to October of the maturation period of the cotton; rainy days are avoided; and the defoliating and ripening agent can be re-sprayed if the defoliating and ripening agent is caught in the rain. The product combines the efficiencies of ripening and defoliating, saves labor, time and effort, greatly improves labor production efficiency and cotton quality rate, and lays a solid foundation for manual fast harvest and mechanical one-time harvest. Compared with a conventional single product, the picking period is 15 to 20 days earlier and the average defoliation rate is over 90 percent.

The invention discloses a plant growth regulator. The plant growth regulator comprises active ingredients A and B. The active ingredient A is thidiazuron and the active ingredient B is amino-oligosaccharin. The invention also provides a preparation method and use of the plant growth regulator. A test result shows that the plant growth regulator has very good effects of regulating crop growth, improving resistance to stress and diseases, promoting crop health and improving a crop yield and crop quality.

The invention discloses a fruit and vegetable preservative. The fruit and vegetable preservative comprises the active ingredients of prochloraz and thidiazuron, wherein prochloraz is a prochloraz active compound or prochloraz manganese salt or prochloraz copper salt, prochloraz accounts for 10wt%-70wt% of the fruit and vegetable preservative, thidiazuron accounts for 0.02wt%-5wt% of the fruit and vegetable preservative, the balance of auxiliary components which are allowable to use and acceptable in farm chemicals is complemented, and the weight ratio of prochloraz to thidiazuron is (5-500):1. The fruit and vegetable preservative disclosed by the invention can be prepared into a suspending agent, a suspoemulsion, wettable powder and water dispersable granules by known methods. The fruit and vegetable preservative disclosed by the invention is used for storage and preservation of vegetables and fruits after harvesting by complexing prochloraz and thidiazuron, has good mildew-proof and sterilization effects for the vegetables and the fruits, can prolong the storage period of the vegetables and the fruits, realize a prominent green-retaining effect and ensure the storage quality of the vegetables and the fruits, has no chemical residues, and is safe and convenient to use, low in cost and easy to operate and popularize.

The invention provides a method for rapidly obtaining regenerated plants of fiber hemps. The method comprises the following steps: (1) carrying out sterile treatment on seeds of the fiber hemps and sowing seeds to obtain sterile seedlings; (2) tearing cotyledons from the sterile seedlings with the seedling ages of 2-3 days; cutting off leaf tips and putting into a bud induction culture medium containing thidiazuron and alpha-naphthylacetic acid to be cultured; (3) after culturing by the step (2) for 18-24 days, cutting off adventitious buds when the adventitious buds stretch to be 1cm-2cm high; transferring the adventitious buds into a rooting culture medium containing indolebutyric acid to be cultured and rooted, wherein the culture time is 35-42 days; and obtaining rooted seedlings. With the adoption of the method, explants are convenient and rapid to take, the period is short, the induction regeneration rate is relatively high and cotyledon explants can be obtained by only 3 days; and strong regenerated cluster buds are obtained by only 18-24 days; and seeds can be sowed at any time to obtain the explants, and the process is not limited by factors including material taking seasons, a disinfection process and the like, so that the method is suitable for hemp genetic transformation researches.

The invention relates to a big seedless grape cultivation method. The big seedless grape cultivation method includes the following steps of firstly, 10 to 15 days before grape flowering, pressing grape inflorescence which is selected and reserved after inflorescence thinning and still in the bud stage into GA3 liquid with the concentration of 20 ppm to get wet; secondly, after grape flowering, gently pressing trimmed spica into SM liquid with the concentration of 25 ppm to get wet; thirdly, 15 days after flowering, spraying CPPU with the concentration of 10 ppm onto spica fruit till the spica fruit gets wet; fourthly, 10 to 15 days after flowers wither away, spraying 0.1% thidiazuron liquid with the concentration of 100 ppm till the spica fruit gets wet, and finally conducting management according to a conventional method. According to the big seedless grape cultivation method, the grape seedless rate is close to 100%, the weight of single fruit can be more than 12 g through application of swelling agents, quality of grapes is greatly improved, and farmer income increase is promoted.

The invention relates to a method for measuring residues of ethephon, thidiazuron and diuron in cotton by using liquid chromatography tandem mass spectrometry. The method comprises the following steps: (1) processing a sample; (2) measuring; (3) judging, i.e., drawing a five-point standard working curve by taking mass concentration X as an abscissa and peak area Y as an ordinate, and quantifying the sample by using the standard working curve, wherein the response value of a medicament in the sample solution is required to be within the linear range detected by the instrument. The method is simple, convenient, quick and accurate, each item of technical index meets the requirements of domestic and international rules, and the method can be used for quantitative detection of the ethephon, the thidiazuron and the diuron in the cotton sample.

The invention provides an embryo culture medium for Lei bamboo (Phyllostachys praecox), which comprises the following components by weight part: MS salts, MT vitamins, 0.3 mg / L or 1 mg / L or 3 mg / L of BA (i.e. benzylamino purine), 0.1 mg / L of NAA (i.e. alpha-naphthaleneacetic acid), 0.1 mg / L of 3,5,6-trichloro-4-aminopicolinic acid, 0.001 mg / L of TDZ (i.e. thidiazuron), 20 g / L of glucose, 100 mg / L of inositol, 10 mg / L of adenine sulfate, and 0.5 g / L of malt extract. The pH value of the culture medium ranges from 5.0 to 6.0. The method of tissue culture and seedling cultivation using the culture medium comprises the following steps: collection and selection of explants, cleaning and sterilization of seeds, and extraction, inoculation, culture, sub-culture or transplanting of the embryos. The culture medium and the seedling tissue culture method are excellent in the cultivation of the Lei bamboo as the medium-diameter running bamboo with high economic value, lay the foundation for researching and bioengineering of Lei bamboo, and realize the rapid and sufficient supply of Lei bamboo seedlings.

The invention discloses a plant growth regulator. The plant growth regulator is prepared from an effective ingredient A and an effective ingredient B, wherein the effective ingredient A is thidiazuron, and the effective ingredient B is amino-oligosaccharin. The invention also provides a preparation method and application of the composition. A test result proves that the composition disclosed by the invention can regulate growth of crops preferably, improve disease resistance and stress resistance, promote a health effect of the crops, and improve the yield and the quality of the crops.

The invention discloses a cotton defoliant and a preparation method thereof. The cotton defoliant is prepared through mixing the following components in parts by weight: 35-45 parts of magnesium chlorate, 5-7 parts of thidiazuron, 3-5 parts of Dailon, 6-10 parts of 8-hydroxyquinoline, 1-3 parts of a 888 pesticide synergist, 5-15 parts of chlorate and 10-12 parts of calcium oxide. The cotton defoliant disclosed by the invention has the characteristics of being small in particles, large in active surface, high in osmotic force, free from dust during compounding, low in cost, high in drug effects, capable of preventing cold and freeze, and the like.

The invention discloses a high-efficiency cotton defoliating and boll-increasing composition. The composition contains pyraflufen-ethyl for synergizing the effective amount, thidiazuron and an adhesive, wherein the weight ratio of the pyraflufen-ethyl to the thidiazuron is (10:1)-(1:15), and the adhesive accounts for 1-3% of the ingredients in total amounts. The high-efficiency cotton defoliating and boll-increasing composition can achieve the high-efficiency defoliating during a limited time period, and can promote cotton bolls to be opened in advance, shorten the boll-opening time and increase the cotton yield; the cotton boll-opening time is centralized relatively, so that the mechanized cotton picking operation is facilitated; the defoliating agent has the lower price compared with existing products.

The invention especially relates to a defoliation and ripening composition for cotton, and a defoliation and ripening agent for cotton, belonging to the technical field of pesticides. The defoliationand ripening composition is composed of, by weight, 0.1 to 80 parts of thidiazuron and 0.1 to 80 parts of glyphosine. The effective components of the defoliation and ripening composition in the invention include thidiazuron and glyphosine, and have obvious synergistic effect on defoliation and ripening of cotton through a variety of different action modes, and the effect of the composition is significantly better than the effect of single thidiazuron, single glyphosine, a thidiazuron-diuron preparation and the like; and the composition is effective in reducing the dosage of different reagentssuch as thidiazuron and capable of accelerating the process of ripening and defoliation and reducing production cost.

An aqueous suspension or slurry (suspension concentrate) contains a synergistic amount of thidiazuron, diuron and surfactants. The aqueous suspension contains surfactants in amounts to obtain a stable suspension or slurry without the use of organic solvents.

The invention relates to a rapid propagation method for improving tissue culture seedling quality of Agave sisalana perrine. The method comprises the steps of: (1) explant treatment and disinfection; (2) initiation and inoculation; (3) induction of adventitious bud cultivation; (4) induction of clumpy bud cultivation; (5) multiplication of subculture; (6) rooting culture; (7) seedling adaptation;(8) temporary planting and transplanting; (9) bagged dispersal breeding seedling cultivation. The method of the invention adopts SH as a basic medium and more active cytokinin TDZ (thidiazuron), in cooperation with other cultivation conditions. The method provided in the invention also employs a different tissue culture seedling cutting method and changes the original seedling culture method of Agave sisalana perrine, so that the seedling culture time can be saved by 6 months and the problems like variety degeneration and sickness of Agave sisalana perrine can be solved effectively, thus effectively guaranteeing seedling quality and promoting health development of the Agave sisalana perrine industry.

The invention relates to a method for establishing a peanut regeneration system with a young leaf as an explant, belonging to the technical field of biology. The method comprises the following steps: based on the young leaf as the explant of the peanut regeneration system, inducing and germinating on a bud induction culture medium containing TDZ (thidiazuron) and NAA (naphthyl acetic acid); promoting adventitious bud to extend on an extending culture medium containing 6-BA (6-benzyl aminopurine) and NAA; culturing to take root on the root growing culture medium containing NAA so as to obtain rooted seedling; and transplanting and cultivating according to a conventional method. In the regeneration system established by the method in the invention, bud inductivity reaches up to about 40%, and bud elongation ratio reaches up to 79%; and subculture growth is good in the regeneration system, thus the regeneration system can become a good regeneration system for gene transformation.

The invention relates to a method for measuring residual quantity of thidiazuron and diuron as well as metabolites thereof in cotton, which comprises the following concrete steps: weighing 20.0g of sample; putting the sample into a conical flask with a plug; adding 50mL of acetonitrile and 10mL of distilled water; oscillating and extracting for 60min on an oscillator; adding 6.0-10g of sodium chloride into the filtered solution; oscillating for 2-5min; standing for layering; collecting the organic phase at the upper layer; dehydrating by anhydrous sodium sulfate; carrying out decompression concentration in a water bath at 40 DEG C for nearly drying; blow-drying by nitrogen gas; adding 10-20mL of ethyl acetate; then pre-leaching by adopting a C18 column and 5mL of ethyl acetate; sampling; leaching by 10mL of ethyl acetate; collecting the leacheate; carrying out decompression concentration in the water bath at 40 DEG C for nearly drying; blow-drying by nitrogen gas; metering the volume by 2mL of methanol; filtering by a filter membrane; and measuring by adopting a DAD detector. The measuring method of the invention simplifies the extracting steps, reduces the consumption of solventssuch as toluene dichloride and the like, and reduces the interference of impurities in the sample by using solid phase extraction and purification so that the result is more accurate, sensitive and reliable.

The invention discloses a plant growth regulator composition having a synergistic effect. The plant growth regulator composition contains effective ingredients A and B, wherein the ingredient A is thidiazuron, and the ingredient B is brassinolide and its derivative. The invention further provides a preparation method and application of the composition. A test result proves that the composition can well regulate crop growth, improve the disease resistance and stress resistance, promote crop health and increase crop yield.

The invention relates to a defoliation agent, especially a mixture containing thiadizuron and tyramid, and its application in cotton crops. Contains active ingredients thiadizuron and tyramid, wherein the weight ratio of thiadizuron to tyramid is 1:1-500:1. The weight percentage of the thiadizuron and tyramid in the composition is 1%-50%. Contains thiadidiuron, tyrazolin and one or more preparation auxiliary agents. The defoliant is used for defoliation of plants. The defoliant is used to reduce plant regrowth. The plant is a cotton plant. The cotton plants are transgenic or non-transgenic cotton plants.