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348 results about "Growth regulator" patented technology

Simply put, plant growth regulators (also known as growth regulators or plant hormones) are chemicals used to alter the growth of a plant or plant part. Hormones are substances naturally produced by plants that control normal plant functions, such as root growth, fruit set and drop, growth and other development processes.

Growth regulator for promoting colonization of plant rhizosphere microorganisms and application of growth regulator to crops

The invention discloses a growth regulator for promoting colonization of plant rhizosphere microorganisms and application of the growth regulator to crops, a preparation method of the growth regulator comprises the following steps: S1, dropwise adding an aqueous solution of modified chitosan and a compound bacteria solution into a saturated boric acid solution of 1-2% calcium chloride, crosslinking and curing for 3-4 hours, washing with sterile water for 3-5 times, and drying to obtain the growth regulator for promoting colonization of the plant rhizosphere microorganisms; immobilized microorganisms are obtained; s2, sequentially adding nanocellulose crystals, sodium polyaspartate and organic fertilizer into the enteromorpha extracting solution, uniformly stirring and mixing, adding immobilized microorganisms, uniformly mixing, granulating, coating with modified chitosan, and drying to obtain the growth regulator. Through step-by-step design of microorganism immobilization, nutrition compounding and chitosan coating, function integration of microorganism protection, nutrition release and environmental response is achieved, the colonization efficiency of rhizosphere microorganisms is remarkably improved, the soil microenvironment is improved, and finally comprehensive improvement of plant growth and stress resistance is achieved; and the method has relatively high social use value and application prospect.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Capsicum growth regulator based on compounding of propionyl brassinolide and amino-oligosaccharin and application of capsicum growth regulator

The invention discloses a special growth regulator for pepper based on compounding of propionyl brassinolide and amino-oligosaccharin and application of the special growth regulator, and belongs to the technical field of agricultural biology. According to the regulating agent, 0.0008 to 0.0012 percent of propionyl brassinolide and 2.95 to 3.05 percent of amino-oligosaccharin are accurately matched with each other. The formula breaks through the contradiction between the root promotion requirement of high-dose amino-oligosaccharin and the safety threshold of low-dose brassinolide, and overcomes the phytotoxicity risk of the traditional dosage form. The regulator prepared by the invention can enhance the growth vigor of the pepper, improve the product and quality of the pepper, and also can effectively prevent viral diseases of the pepper.
Owner:KANGTUOSEN (ZHUMADIAN) BIOTECHNOLOGY CO LTD +1

Preparation method and application of nano plant growth regulator

The invention relates to a preparation method and application of a nano plant growth regulator, in particular to a nano plant growth regulator containing mepiquat chloride and prohexadione calcium, which is prepared from the following raw materials in 1000 parts by weight: 50 to 300 parts by weight of mepiquat chloride, 30 to 150 parts by weight of prohexadione calcium, 40 to 400 parts by weight of auxiliaries and the balance of water. Wherein the weight ratio of mepiquat chloride to prohexadione calcium is 2: 1. The nano plant growth regulator provided by the invention reduces the particle size of pesticide, enhances the permeability of the pesticide, is beneficial to crop absorption, reduces the usage amount of the pesticide, improves the pesticide effect, is safe to crops, has a very good promotion effect on wheat yield increase, and also can improve the quality of wheat.
Owner:SHAANXI YITIANFENG CROP TECH CO LTD

Biochar-plant combined remediation method for heavy metal contaminated soil of mine

The invention discloses a biochar-plant combined remediation method for mine heavy metal contaminated soil, and relates to modified biochar and a remediation accelerator.The preparation method of the modified biochar comprises the steps that peanut shells are subjected to high-temperature carbonization and then added into a ferric iron solution to neutralize a NaOH solution, ultrasonic treatment is conducted, and the biochar is obtained; a biomass raw material is crushed and composted to obtain pretreated biomass, then the pretreated biomass and a ferric iron solution are subjected to a heating reaction, a reaction product is mixed with the biochar, carbonization is continued, and the biochar is obtained. The repairing accelerant comprises turf, phospholime powder, mannitol, a plant growth regulator, a microbial agent and a chelating agent. According to the remediation method, planting of the modified biochar, the remediation accelerant and the enrichment plants is combined, a synergistic remediation mechanism is formed, the three components have a synergistic effect, the removal efficiency of heavy metal is remarkably improved, the biomass and the survival rate of the enrichment plants are improved, and efficient and accurate remediation of the mine heavy metal contaminated soil is achieved.
Owner:GEOLOGICAL SURVEY INST OF GUANGXI ZHUANG AUTONOMOUS REGION

Soybean yield-increasing compound regulator and soybean yield-increasing chemical control method

The invention relates to the technical field of crop yield increase, and discloses a soybean yield-increasing compound regulator and a soybean yield-increasing chemical control method.The basic effective components of the compound regulator comprise prohexadione calcium and forchlorfenuron, and the yield-increasing chemical control method comprises the step that an aqueous solution of the compound regulator is sprayed at the branching stage and the final stage of full bloom of soybeans respectively, the dosage of the compound regulator is 10 g / mu in the soybean branching period and 20 g / mu in the final stage of soybean blooming. According to the chemical control method for increasing the yield of the soybeans, provided by the invention, different types of growth regulators (prohexadione calcium, forchlorfenuron, triacontanol and 24-epibrassinolide) are compounded to form a compound agent, and the compound agent is sprayed on leaf surfaces in key periods (a branching period and a final stage of full bloom) of the soybeans, so that vegetative growth and reproductive growth of the soybeans are comprehensively promoted and regulated; the stress resistance of the soybeans is enhanced, the lodging risk of the soybeans is reduced, a better flower and pod protection effect is achieved, and the yield of the soybeans is increased.
Owner:SICHUAN RUNER TECH CO LTD

Mixing preparation device and method for plant growth regulator containing silicon element

InactiveCN121490707AProcess control/regulationCrystallization conditions screeningGrowth plantChemical reaction
The invention relates to the technical field of mixing equipment, and discloses a mixing preparation device and method for a plant growth regulator containing a silicon element. The mixing preparation device of the silicon-containing plant growth regulator comprises a stirring main kettle, an online monitoring unit, a solid-liquid separation unit and a control unit, the stirring main kettle is used for carrying out a liquid-phase chemical reaction and separating out a solid product in situ, and is provided with a stirring piece; and the on-line monitoring unit is used for acquiring a reaction process signal and a crystallization state signal in the main stirring kettle in real time. The online monitoring unit, the solid-liquid separation unit and the control unit are arranged and cooperatively used, dynamic optimization management of the reaction crystallization process is achieved, the solid-liquid separation unit moves out crystals in time and circularly supplements materials, the problem that the crystals are secondarily wrapped is solved, meanwhile, reaction balance is pushed to move rightwards, and the reaction efficiency is improved. The conversion rate and the yield are improved.
Owner:LIAONING SHANSHUI YINONG TECH CO LTD

Plant growth regulator preparation mixing device

The utility model belongs to the technical field of mixing devices, and particularly relates to a plant growth regulator preparing and mixing device which comprises a mixing box, a rotary cover is rotatably mounted in the upper end of the mixing box, a driving shaft is fixedly mounted in the center of the upper end of the rotary cover, a connecting column is rotatably connected to the upper end of the driving shaft, and a rectangular groove is formed in one side of the connecting column. A long pipe is fixedly inserted into the upper end of the screw cover, an elastic strip is fixedly mounted on the side surface of the upper end of the long pipe, a roller is rotationally connected to the middle of the elastic strip, a baffle is mounted on the adjacent side of the elastic strip, a filtering assembly is fixedly mounted at the bottom of the long pipe, and a feeding opening is formed in one side of the mixing box; a discharging groove is formed in the bottom end of the interior of the mixing box, a catalyst is put into the filtering assembly below the long pipe, new catalyst powder can be added again from the long pipe every time the catalyst powder is completely consumed, and the situation that the catalyst powder needs to be recycled after mixing every time is avoided.
Owner:CHENGDU GUANZHI AGRI TECH

Regulator and method for promoting secondary flowering of crape myrtle

The invention relates to the technical field of flower flowering phase regulation and control, and discloses a regulator and a method for promoting secondary flowering of crape myrtle, the regulator comprises 50 parts by weight of benzylaminopurine, 4.6-5 parts by weight of compound sodium nitrophenolate and more than or equal to 100 parts by weight of an amino acid composition; or 18 parts by weight of benzylaminopurine, 18 parts by weight of gibberellin, 4.6-5 parts by weight of compound sodium nitrophenolate and more than or equal to 100 parts by weight of an amino acid composition. The regulator provided by the invention comprehensively acts on multiple aspects of cell division, dormancy breaking, hormone regulation, nutrition supply, stress resistance enhancement and the like to jointly promote secondary blooming of the crape myrtle, increase the blooming amount and prolong the blooming period, and by virtue of multiple aspects of effects of pruning, fertilization, insect killing, plant growth regulator regulation and the like, the yield of the crape myrtle is increased. Secondary blooming of the crape myrtle is promoted, the blooming rate, the blooming duration and the blooming amount of secondary blooming are increased, and the growth vigor of the crape myrtle in the next year is not affected.
Owner:SICHUAN JIAZHI AGRI TECH CO LTD

Plant growth regulator stirring and emulsifying device

The invention relates to the technical field of stirring and emulsifying, and particularly discloses a plant growth regulator stirring and emulsifying device which comprises a tank body, a middle shaft is coaxially and rotatably assembled in the tank body, an emulsifying assembly is arranged on the middle shaft, and an upper hopper body and a lower hopper body are further arranged in the tank body and used for buffering powder and liquid materials respectively; a material barrel is arranged on the emulsifying assembly, a sealing partition plate is arranged in the material barrel, the sealing partition plate can ascend and descend in the material barrel along with rotation of the emulsifying assembly, and an upper cavity is formed between the top of the sealing partition plate and the material barrel; according to the stirring and emulsifying device for the plant growth regulator, automatic supplementing and adding of powder auxiliary materials and liquid auxiliary materials in the charging barrel are achieved through lifting of the sealing partition plate, the auxiliary materials can be directly added from the middle of the materials, the time for gradually permeating and dispersing the auxiliary materials downwards from the position above the liquid level is shortened, the dispersing efficiency of the auxiliary materials in the materials is improved, and the stirring and emulsifying efficiency of the plant growth regulator is improved. The mixing speed of the materials and the auxiliary materials is accelerated.
Owner:HUBEI MAOSHENG BIOLOGY CO LTD

Method for increasing yield of alfalfa seeds by using growth regulator

The invention discloses a method for increasing the yield of alfalfa seeds by using a growth regulator. The method comprises the following steps: (1) selecting a seed field production area; (2) land parcel selection; (3) soil pretreatment before sowing; (4) sowing; (5) field management; (6) harvesting and drying; in the step (5), a compound sodium nitrophenolate solution is uniformly sprayed in the bud stage, the dosage is 200 L / hm < 2 >, and the mass concentration of the compound sodium nitrophenolate solution is 5.0-6.0 ppm. The hole sowing machine is adopted to accurately control the sowing depth and the sowing quantity, the sowing density of an alfalfa seed field is strictly controlled, the optimal plant growth regulator is innovatively matched for application, and the alfalfa seed yield is effectively improved.
Owner:INSTITUTE OF GRASSLAND RESEARCH OF CAAS

A plant growth regulator containing gibberellic acid and preparation method thereof

The present application relates to the field of growth regulators, and specifically discloses a plant growth regulator containing gibberellic acid and a preparation method thereof. A plant growth regulator containing gibberellic acid and a preparation method thereof include the following raw materials in parts by weight: 4-40 parts of gibberellic acid; 1-40 parts of benzylaminopurine; 30-100 parts of ethanol; 60-180 parts of cosolvents; 30-80 parts of surfactants; 5-15 parts of regulating components; 704-750 parts of propylene glycol dibutyl ether. Its preparation method includes the following steps: S1, weighing gibberellic acid, benzylaminopurine, ethanol, cosolvents, surfactants, regulating components and propylene glycol dibutyl ether, mixing them uniformly to obtain a primary mixture; S2, vacuum drying the primary mixture, and obtaining a plant growth regulator after powdering. The present application has the effect of reducing the migration amount of gibberellic acid in the soil.
Owner:SHANDONG LUKANG BIOLOGICAL PESTICIDE CO LTD

Method for detecting natural plant hormones and exogenous growth regulators of vegetables

The invention discloses a method for detecting natural plant hormones and exogenous growth regulators of vegetables, efficient separation and accurate detection of the natural plant hormones and the exogenous growth regulators are realized through combination of hydrophilic interaction chromatography and mass spectrometry, a hydrophilic interaction chromatographic column is adopted, and conditions such as mobile phase composition and flow velocity are optimized; the selectivity of polar substances is improved by utilizing hydrophilic interaction, so that compounds with similar structures achieve baseline separation, and chromatographic peak overlapping interference is avoided; the mass spectrometric detection only responds to a specific ion signal by screening characteristic parent ion / daughter ion pairs of a target object, so that matrix impurities and non-target ion interference are effectively eliminated, the false positive risk is remarkably reduced, and the detection sensitivity and specificity are improved; the combined technology is combined with the efficient separation capacity of the hydrophilic interaction chromatographic column and a multi-reaction monitoring mode, synchronous separation of multiple compounds with similar polarities in single analysis is achieved, parallel detection of dozens of target objects is supported, and the analysis time is greatly shortened.
Owner:阳江市检测检验中心 +1

Resin composition containing ethofenprox, and sustained-release resin molded article for pest control using the same

To provide a resin composition suitable for production of molded articles for direct application to animals, and a resin molded article using the same.SOLUTION: A pest control resin composition is prepared by incorporating ethofenprox, an insect growth regulator, a plasticizer, and a fatty acid into a vinyl chloride resin. This resin composition may further contain optional components. Here, pests typically include fleas, mites, mosquitoes, or lice. This resin composition can be preferably used for producing a sustained-release resin molded article for pest control.SELECTED DRAWING: None
Owner:SUMITOMO PHARMA CO LTD

Plant growth regulator spraying device

The utility model discloses a plant growth regulator spraying device, and belongs to the technical field of agricultural production equipment. A plant growth regulator spraying device comprises a pesticide storage barrel, one side of the pesticide storage barrel is provided with an infusion pump, the end of the input end of the infusion pump is communicated with an inner cavity of the pesticide storage barrel, the end of the output end of the infusion pump is fixedly connected with a hose, the outer side of the hose is sleeved with a fixing pipe, one side of the fixing pipe is fixedly connected with a bearing ring, and the bearing ring is provided with a liquid separation ring. A plurality of pesticide spraying pipes are densely distributed on the inner side of the liquid separation ring. According to the technical scheme, by arranging the liquid separation ring, the pesticide spraying pipe and the infusion pump, when a worker sprays a plant growth regulator to crops, a user sleeves the liquid separation ring on the outer side of the to-be-sprayed crops and moves the liquid separation ring up and down, and under the action of the infusion pump, pesticide liquid can be sprayed to the crops in multiple directions, so that the pesticide liquid is sprayed to the crops in multiple directions; and uniform spraying of the liquid medicine is effectively guaranteed, and full play of the effect of the liquid medicine is fully guaranteed.
Owner:SHANGHAI CHANGKAI NETWORK TECHNOLOGY CO LTD

Protective transplanting method for engineering disturbance low-latitude plateau sub-alpine meadow cotoneaster replicatus

PendingCN121336646ACultivating equipmentsCotoneasterRevegetation
The invention discloses a protective transplanting method for engineering disturbance low-latitude plateau sub-alpine meadow cotoneaster replicatus, which comprises the following steps: (1) investigating and screening rhizosphere microbial communities, and separating functional strains from soil; (2) in-situ plant growth regulator root irrigation treatment; (3) digging a plant-soil micro-ecological complex; soil blocks are wholly dug according to units, wherein the soil blocks comprise plants, root systems, rhizosphere soil, associated herbaceous plants and litters; (4) temporary culture and field planting: regularly maintaining and keeping humidity, and irrigating with a plant growth promoter; (5) adding a microbial inoculum into the soil, treating the soil with a matrix, and adding the screened functional microbial inoculum into the matrix; (6) transplanting; and (7) later maintenance and monitoring. Through an innovative method of combining a plant-soil micro-ecological complex, a plant growth regulator and a fungicide, the survival rate and the recovery speed of the cotoneaster replicatus in ecological restoration are improved, the adaptability of the cotoneaster replicatus in a severe environment is optimized, vegetation restoration is promoted, and the stable process of an ecological system is accelerated.
Owner:POWER CHINA KUNMING ENG CORP LTD +1

Preparation and Application of a Bryophyte Gametophyte Coating Agent

The present invention provides a moss gametophyte coating agent, comprising: 80-140 parts by weight of a composite additive, 40-60 parts of a film-forming agent, 10-20 parts of a medicament, 8-20 parts of an antifreeze agent, 200-300 parts of a nutrient matrix, 0.01-1 part of a growth regulator, 20-50 parts of an emulsifier, 10-30 parts of a dispersant, 10-30 parts of an anti-freezing agent, 10-20 parts of an anti-foaming agent, and 600-800 parts of deionized water; wherein, the composite additive is modified montmorillonite, the medicament is a combination of chitosan and garlic extract, and the antifreeze agent is an algal extract. The moss gametophyte coating agent provided by the present invention is used for coating the moss gametophyte, significantly improving the survival rate, germination rate of the moss gametophyte and the stress tolerance to habitats such as high cold, drought and barrenness, and effectively breaking through the technical bottleneck of the field breeding of the moss gametophyte.
Owner:CHENGDU INSTITUTE OF BIOLOGY CHINESE ACADEMY OF SCIENCES +2

Composition and soluble concentrate for expanding and increasing yield of root-tuber crops and application of composition and soluble concentrate

The invention relates to a composition for expanding and increasing yield of rhizome crops, a soluble concentrate and application of the soluble concentrate, and belongs to the technical field of plant growth regulators. The composition consists of a prohexadione active substance and a dihydrojasmonic acid active substance, the mass ratio of the prohexadione active substance to the dihydrojasmonic acid active substance is (0.5-25): 1; the prohexadione active substance is prohexadione and / or a soluble salt thereof; the dihydrojasmonic acid active substance is dihydrojasmonic acid and / or soluble salt thereof. The composition is taken as an effective component, a growth regulator is provided, water is taken as a solvent, and auxiliary agents known by technicians in the field are supplemented, so that a soluble concentrate is prepared. The soluble concentrate has the advantages of being environmentally friendly, convenient to process, convenient to use and the like while efficiently achieving swelling and yield increasing effects of root crops, and the problems that special dosage forms need to be prepared in the using process of prohexadione calcium, so that the production cost is high, and use is inconvenient are effectively solved.
Owner:ZHENGZHOU ZHENGSHI CHEMICAL CO LTD

Surfactants for agricultural products

Agricultural products, such as pesticides, plant growth regulators, fungicides, herbicides, and insecticides, may be formulated to include one or more surfactants, from one or more surfactant classes, such as derivatives of amino acids that have surface-active properties.
Owner:ADVANSIX RESINS & CHEMICALS LLC

Sinapic acid plant growth regulator and its application

The present invention provides a sinapinic acid plant growth regulator and its application. The sinapinic acid plant growth regulator is used to alleviate the continuous cropping disorder of ramie plants. The raw materials include, by weight, 10 to 30 parts of sinapinic acid and 1 to 3 parts of a slow-release solvent. The pH value of the sinapinic acid plant growth regulator is 5.0 to 7.0. The sinapinic acid plant growth regulator provided in this application reduces the damage of continuous cropping to ramie plants and improves related indicators such as plant agronomic traits, root vitality, chlorophyll content, and antioxidant system enzyme activity. This preliminarily reveals a new cultivation technology for alleviating soil damage caused by continuous cropping of ramie.
Owner:INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI

A freezing-preventing agent for preventing frost injury of apricot flowers, and a preparation method and application thereof

PendingCN122642411AVitamin CPeroxidase
The application belongs to the technical field of agricultural planting and particularly relates to a freezing-preventing agent for preventing frost damage of apricot flowers and fruits and a preparation method thereof. The freezing-preventing agent is prepared from the following raw materials in percentage by mass: a penetration regulating component 3%, an antioxidant component 0.1%, mineral elements 0.5%, a film forming agent 1.5%, a plant growth regulator 0.01%-0.05%, and water, with the total being 100%. The penetration regulating component is at least one of an anti-freezing sugar, an amino acid and a penetration regulating enzyme. The antioxidant component is at least one of vitamin C, vitamin E, anthocyanin, flavone, superoxide dismutase, peroxidase and catalase.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

Application of 2-cyclohexenol in antibacterial, promoting plant growth, and / or inducing plant resistance

The present invention provides an application of 2-bornanol in antibacterial, promoting plant growth, and / or inducing plant resistance, and also provides a method for antibacterial, promoting plant growth, and / or inducing plant resistance, as well as a biological pesticide, a plant resistance inducer, and a plant growth regulator. The present invention directly clarifies the feasibility of 2-bornanol as a plant growth regulator, a resistance inducer, and a biological pesticide and is proven in field trials. Compared with other methods of biological pesticides and growth regulators, the application and method of the present invention have the advantages of simple operation, low requirements for outdoor spraying conditions, and can be popularized and applied in the field.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

A method for cultivating wintersweet small pot plants that can be planted every year

The present invention provides a method for cultivating wintersweet small pot plants that can be planted out every year, by using facility cultivation, container planting, semi-underground planting, etc. to extend the annual growth time and accelerate the growth rate; by selecting high-quality rootstocks and improving the grafting and planting methods, etc. to improve the survival rate and quality of small pot plants; by promoting flower branches and compact crowns through topdressing and growth regulator spraying, etc.; by using the technology of planting out, high-quality small pot plants are produced; the whole set of cultivation methods also includes the technical links such as scion selection and treatment, grafting, soil, fertilizer and water management, shaping and pruning, and pest control. Through a series of technical management measures, the annual production technology of wintersweet small pot plants, which are grafted, planted, shaped, and planted out in the same year, is realized. Compared with the prior art, the cultivation method of the present invention has the advantages of simple process, short cultivation cycle, low cost, high yield, good benefit, etc., and has extremely high promotion and application value.
Owner:HENAN ACAD OF FORESTRY SCI

Foliar fertilizer additive containing sulfur-rich organic matters and used for improving nutritional value of fruits and vegetables

The invention relates to the technical field of foliar fertilizers, in particular to a sulfur-rich organic matter-containing foliar fertilizer additive for improving the nutritional value of fruits and vegetables. The foliar fertilizer additive containing the sulfur-rich organic matter and used for improving the nutritional value of the fruits and vegetables comprises the following raw materials in parts by weight: 20-30 parts of the sulfur-rich organic matter, 5-10 parts of tea polyphenol, 4-7 parts of a growth regulator, 10-14 parts of a slow release agent, 15-18 parts of bentonite and 4-8 parts of a seaweed extract. The sulfur-rich organic matter serves as a core component, the additive aims to provide necessary sulfur-containing amino acid for plants, and the amino acid plays an important role in various physiological processes in the plants and participates in protein and vitamin synthesis. By combining the tea polyphenol, the growth regulator, the slow-release agent and other functional components, the health state of plants can be comprehensively optimized, the content of amino acids and vitamins in fruits and vegetables is increased, and finally the purpose of increasing the nutritional value of the fruits and vegetables is achieved.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

Tissue culture and rapid propagation seedling method for Japanese polygala

ActiveCN121100804APlant tissue cultureHorticulture methodsBiotechnologyMelothria japonica
The invention relates to the technical field of plant tissue culture, in particular to a method for tissue culture and rapid propagation of polygala japonica. Comprising the following steps: sterilizing and disinfecting explants; carrying out primary culture on the sterilized and disinfected explant; carrying out multiplication culture on primary cluster buds; carrying out rooting culture on rootless tissue culture seedlings; domesticating and transplanting rooting tissue culture seedlings. A primary culture medium, a proliferation culture medium and a rooting culture medium are reasonably designed according to different growth regulator formulas by taking a stem section with buds of polygala japonica as an explant material and are respectively used for performing clumpy bud induction, clumpy bud proliferation and rooting induction on the explant material, the total culture process only needs about 100 days, the breeding efficiency is high, and the survival rate is high. The inductivity, the tufted bud multiplication coefficient and the rooting rate of the explant tufted buds all reach a relatively high level, the cultured tissue culture seedlings are good in quality and high in transplanting survival rate, the tissue culture and rapid propagation effects of the polygala japonica are good, and a solid foundation is laid for realizing industrialized production of the polygala japonica.
Owner:JIANGXI ACAD OF FORESTRY

Method for preparing chiral benzhydrol compound through asymmetric hydrogenation of o-amido benzophenone under catalysis of rhodium and application of chiral benzhydrol compound

PendingCN122079806ALigands are easy to obtainmild reaction conditionsPlant growth regulatorsOrganic compound preparationDiphenylmethanolPtru catalyst
The invention discloses a method for preparing a chiral benzhydrol compound through asymmetric hydrogenation of o-amido benzophenone under catalysis of rhodium. The chiral rhodium catalyst is generated in situ from a metal rhodium salt and a chiral phosphine-phosphoramidite ligand in various solvents. Compared with other methods for synthesizing chiral benzhydrol, the method has the characteristics of cheap catalyst, easiness in preparation of chiral ligand, mild reaction conditions, simplicity and convenience in operation, high yield, high enantioselectivity and the like, and can be applied to large-scale preparation of chiral benzhydrol compounds. The method is also suitable for efficient preparation of the rice plant growth regulation inhibitor (S)-Inabenide, the yield can reach 92%, the enantioselectivity can reach 96%, and the method has good industrial application prospects.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Method for building orchard of pear, plum or apricot germplasm resource by strip cutting in bud zone soil

The present application relates to the technical field of fruit tree propagation, in particular to a pear, plum or apricot germplasm resource nursery strip soil cutting method in cold and arid regions, first, one-year-old branches are selected, after disinfection, soaked in rooting mud containing humic acid and growth regulator, then, a cubic soil nub is dug in the rhizosphere of the mother plant, wrapped with non-woven fabric, injected with water-retaining agent, sprayed with humic acid potassium and chitin mixed solution, and inoculated with mycorrhizal fungi, finally, a planting hole is dug according to the set plant spacing, a straw root protection cover is set, the strip with soil is planted, water is poured thoroughly and slow-release fertilizer is buried. The technology effectively protects the root system and promotes rooting through comprehensive treatment, ensuring the rapid and high-quality construction of the resource nursery under the harsh conditions in the cold and arid regions. Through the triple root protection soil cutting technology, the survival rate of pear, plum, apricot and other deciduous fruit tree germplasm resource strips in cold and arid regions is increased from less than 60% of the traditional method to more than 85%.
Owner:ORDOS FORESTRY & GRASSLAND SCI RES INST

Method for improving the quality of Millettia reticulata

The present invention discloses a method for improving the quality of Millettia reticulata, belonging to the technical field of Millettia reticulata cultivation. It applies a growth regulator in combination with spectral lighting. The growth regulator is methyl jasmonate, with a concentration of 100 - 400 μmol / L. The LED light quality of the spectral lighting is red light and blue light, and the total photon flux density of red light and blue light is 200 μmol / m 2 / s, and the light quality ratio of red light to blue light is 2 - 5:1. The method of the present invention can effectively improve the growth of Millettia reticulata seedlings, significantly increase the contents of the active ingredients total flavonoids, catechins, epicatechins and gallocatechins, especially the improvement effect of catechins is the best. In an embodiment, compared with the blank group, the contents of total flavonoids, catechins, epicatechins and gallocatechins are significantly increased by 83.05%, 314.72%, 81.03% and 179.62% respectively, and the effect is remarkable.
Owner:GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS

Dandelion seed coating as well as preparation method and application thereof

The invention discloses a dandelion seed coating agent and a preparation method and application thereof.The seed coating agent comprises a growth regulator, a bactericide and an insecticide, the growth regulator comprises 2, 4-epibrassinolide, monopotassium phosphate and gibberellin, the bactericide comprises difenoconazole, metalaxyl-M and fludioxonil, the insecticide comprises abamectin and thiamethoxam, and the insecticide comprises a thiamethoxam aqueous solution. The seed coating agent is prepared from the following effective components in percentage by mass: 1 to 2 percent of 2, 4-epibrassinolide, 1 to 2 percent of monopotassium phosphate, 0 to 0.1 percent of gibberellin, 0.1 to 0.3 percent of difenoconazole, 0.1 to 0.2 percent of metalaxyl-M, 0.1 to 0.2 percent of fludioxonil, 0.1 to 0.3 percent of thiamethoxam, 0.1 to 0.3 percent of abamectin and the balance of water. After seeds are treated by the seed coating, pathogenic bacteria carried by the dandelion seeds can be killed, the activity and disease resistance of the dandelion seeds are remarkably improved, and the vegetative growth yield of dandelions is increased.
Owner:JIANGSU ACAD OF AGRI SCI +1

Viscous seed coating agent for desert aerial seeding and application thereof

PendingCN121605974ABiocidePlant growth regulatorsSlime layerMicrobial agent
The invention provides a viscous seed coating agent for desert aerial seeding and application thereof, and belongs to the technical field of ecological restoration. According to the coating agent, seeds serve as a core, and an inner-layer nutrition matrix and an outer-layer mucus layer are sequentially formed from inside to outside; the inner layer comprises a water-retaining agent, a binder and a microbial agent of nitrogen-fixing bacteria and phosphate solubilizing bacteria; the outer layer comprises an Arabic gum / natto resin adhesive, gibberellic acid and indolebutyric acid plant growth regulator and a bitter taste element / capsaicin animal repellent. Seeds are firmly attached to the sand surface through the outer-layer viscous substance, and sand blowing loss is reduced; the inner water retention layer and the microbial agent continuously supply water and fertilizer, so that the seed germination and seedling survival capability is improved; the outer layer repellent reduces animal pecking, and plasma activation further promotes germination. The coating agent can significantly improve the retention rate, the germination rate and the seedling survival rate of desert aerial seeding seeds, and is suitable for ecological restoration of xerophytes such as caragana microphylla.
Owner:MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD

Sampling device for content of growth regulator in fruits and synchronous sampling detection method

The invention discloses a sampling device for the content of a growth regulator in fruits and a synchronous sampling detection method, and aims to establish a rapid, simple, safe, reliable and high-specificity sampling detection method for multi-component PGRs in plant-derived food, improve the detection efficiency and reduce the detection cost, and by establishing a QuEChERS sample pretreatment method and combining an HPLC-MS detection technology, the content of a growth regulator in the fruits can be detected, and the content of the growth regulator in the fruits can be detected. According to the present invention, the combination of MgSO4, PSA, C18 and other purification materials is optimized, the PGRs residue rapid detection is performed in the fruit agricultural product matrix, the reference basis is provided for the related food quality safety supervision work such as multi-component PGRs residue detection, risk evaluation, standard formulation and the like, the sampling device can achieve the multi-point rapid equivalent sampling when the fruit is sampled, and the sampling efficiency is improved. Errors caused by manual sampling can be avoided, so that the detection result is more objective and accurate, and the operation is simple and convenient.
Owner:WEINAN INSPECTION & TESTING RES INST