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44 results about "Naphthylacetic acid" patented technology

Definition of naphthaleneacetic acid. : either of two crystalline naphthyl derivatives C10H7CH2COOH of acetic acid; especially : the alpha or 1-compound used as a growth regulator for plants (as for preventing drop of apples before normal harvest time)

A method for promoting the absorption of calcium elements by pineapple fruits

The application provides a method for promoting the absorption of calcium elements by pineapple fruits, which comprises the following steps: three months after the pineapple plant is induced to bloom and four months after the pineapple plant is induced to bloom, gauze is soaked in an amino oxyacetic acid aqueous solution or a pyrazine amide aqueous solution, the soaked gauze is applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours; the gauze is secondly soaked in an indole-3-acetic acid aqueous solution, an indole-3-butyric acid aqueous solution, a phenylacetic acid aqueous solution or an alpha-naphthylacetic acid aqueous solution, and the soaked gauze is again applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours; the gauze is thirdly soaked in a 6-benzylaminopurine aqueous solution, a kinetin aqueous solution, a thidiazuron aqueous solution or a forchlorfenuron aqueous solution, and the soaked gauze is again applied to the connection between the pineapple fruit and the fruit stem for 2-5 hours. The application can inhibit the formation of the pineapple fruit stem delimitation, promote the absorption of calcium by the fruits, reduce the incidence of pineapple water core disease from about 18% to about 0.6%, and significantly improve the income of fruit farmers.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +1

Chinese mesona herb hydroponic seedling culture nutrient solution

The invention belongs to the technical field of Chinese mesona herb hydroponic culture, and particularly relates to a Chinese mesona herb hydroponic seedling culture nutrient solution. The invention relates to a Chinese mesona herb hydroponic seedling culture nutrient solution which is based on a 1 / 2 Hoagland nutrient solution and is added with alpha-naphthylacetic acid, oryzanol and brassinolide, the final concentration of the alpha-naphthylacetic acid is 0.3 mg / L to 0.7 mg / L, the final concentration of the oryzanol is 0.3 mg / L to 0.7 mg / L, and the final concentration of the brassinolide is 0.01 mg / L. According to the Chinese mesona herb hydroponic nutrient solution, the 1 / 2 Hoagland nutrient solution serves as the basis, the alpha-naphthylacetic acid, the oryzanol and the brassinolide are added at the same time, when the hydroponic nutrient solution is used for cultivating Chinese mesona herb cutting slips, the rooting rate, the average rooting number and the morbidity can reach 95%, 7.8 pieces and 19% respectively, and the rooting rate, the average rooting number and the morbidity can reach 95%, 7.8 pieces and 19% respectively. The alpha-naphthylacetic acid, the oryzanol and the brassinolide which are added into the nutrient solution have a synergistic effect, so that the rooting and disease-resistant effects of the mesona chinensis cutting slips can be improved, and support can be provided for hydroponic seedling culture of the mesona chinensis.
Owner:SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI

Plant growth regulator for delaying harvest time of cut-flower rosa chinensis as well as preparation method and application of plant growth regulator

The invention provides a plant growth regulator for delaying the harvesting time of cut-flower roses as well as a preparation method and application of the plant growth regulator, and belongs to the technical field of fresh cut flower cultivation. The plant growth regulator for delaying the harvesting time of the cut-flower roses comprises the following raw materials: 1-naphthylacetic acid, abscisic acid, cytokinin, a water-soluble fertilizer containing amino acid and monopotassium phosphate. According to the plant growth regulator for delaying the harvest time of the cut-flower roses, provided by the invention, the 1-naphthylacetic acid, the abscisic acid and the cytokinin are compounded together, so that the flower blooming process can be effectively delayed, and the harvest time is delayed. The plant growth regulator takes plant hormones as main raw materials, has the advantages of environmental friendliness, safety, harmlessness, low cost and the like, and further accurately regulates and controls the flower development process of the cut-flower roses by ensuring normal hormone signal transduction and development regulation and control. The growth regulator can effectively delay the harvesting time, powerfully ensures that the cut-flower roses are accurately marketed as required and the quality of the cut-flower roses is improved, and remarkably improves the production benefits and the industrial value.
Owner:FLOWER RES INST OF YUNNAN ACAD OF AGRI SCI +1

Plant growth regulator for saline-alkali soil improvement and preparation method thereof

The invention relates to the technical field of saline-alkali soil improvement, in particular to a plant growth regulator for saline-alkali soil improvement and a preparation method thereof. The feed additive is prepared from the following components in parts by weight: 0.08 to 0.12 part of a modified regulator, 0.14 to 0.18 part of sucrose ester, 0.04 to 0.06 part of naphthylacetic acid, 0.12 to 0.18 part of gibberellic acid, 0.03 to 0.05 part of 6-benayl aminopurine, 0.8 to 1 part of vitamin C, 1 to 5 parts of mannitol, 1 to 3 parts of betaine and the balance of water, wherein the modification regulator is formed by surface modification of indoleacetic acid, sodium lignin sulfonate and millet colloid according to the mass ratio of 1: (5-10): (1.5-4.5); according to the plant growth regulator disclosed by the invention, the heteroauxin is wrapped and protected by the modified regulator through the millet colloid and the sodium lignin sulfonate, so that not only are the saline-alkali resistance and the plant growth promoting effect of the plant growth regulator improved, but also the plant growth regulator has a slow release effect, the action time of the plant growth regulator is prolonged, and stable growth stimulation is provided for plants; the use efficiency of the plant growth regulator is improved, and the use amount of the plant growth regulator and the influence on the environment are reduced.
Owner:WEIFANG ACADEMY OF AGRICULTURAL SCIENCES ( WEIFANG BRANCH OF SHANDONG ACADEMY OF AGRICULTURAL SCIENCES )

Malus spectabilis flowering phase extender and preparation method thereof

The invention discloses a flowering phase extender for begonia and a preparation method of the flowering phase extender, and belongs to the technical field of plant growth regulators. The cape jasmine flower preservative is prepared from the following raw materials in parts by weight: 0.02 to 0.04 part of alpha-naphthylacetic acid, 0.1 to 0.15 part of salicylic acid, 0.1 to 0.3 part of glutamic acid, 5 to 8 parts of cape jasmine flower extract, 3 to 5 parts of accelerant, 1 to 1.2 parts of mannitol and 100 to 120 parts of water. The accelerant is composed of a soybean protein isolate-seaweed extract compound and sodium lauroyl taurate according to the mass ratio of 5: 1. Through the synergistic effect of multiple active ingredients, the flowering phase of the Chinese flowering apple can be remarkably prolonged, meanwhile, healthy growth of plants is promoted, and stress resistance is enhanced.
Owner:LINYI HEZHIYUAN FERTILIZER +1

Method for simultaneously detecting residual quantity of 22 acidic plant growth regulators in traditional Chinese medicinal materials

The invention relates to the technical field of traditional Chinese medicinal material detection, in particular to a method for simultaneously detecting residual quantity of 22 acidic plant growth regulators in traditional Chinese medicinal materials. A traditional Chinese medicine raw material sample is extracted by adopting acidified acetonitrile, C18 and GCB combined purification is performed, parent ions and daughter ions are collected at the same time in a positive and negative ion mode, an external standard method is adopted for quantification, 22 acidic plant growth regulators are good in linearity in a corresponding linear range (R2 is greater than or equal to 0.999), the recovery rate of 22 acidic plant growth regulators in three different samples is 65.6%-115.4%, and the recovery rate of 22 acidic plant growth regulators in the three different samples is 65.6%-115.4%. The relative standard deviation is 0.9%-9.8%, the method detection limit of alpha-naphthylacetic acid is 120.0 [mu] g / kg, and the method detection limit of other target compounds is 0.7-7.0 [mu] g / kg. The method is simple, rapid and sensitive to operate, and is suitable for qualitative screening and quantitative detection of the acidic plant growth regulator in the traditional Chinese medicine raw materials.
Owner:ZHONGKAI UNIV OF AGRI & ENG

High-purity 2-naphthylacetonitrile and production method thereof

PendingCN120842114AOrganic compound preparationPreparation from carboxylic acid amidesPtru catalystOrganosolv
The present invention provides: high-purity 2-naphthylacetonitrile which contains less impurities and is useful as a starting material or intermediate for the synthesis of various pharmaceutical products, agrochemicals, and chemical products; and a production method thereof. The high-purity 2-naphthylacetonitrile has an HPLC purity of 95% by area or more, and the content of naphthalene compounds represented by formulae (a) to (j) is equal to or less than a specified area percentage. The production method of the high-purity 2-naphthylacetonitrile is characterized by comprising the following steps: step 1 and step 2. Step 1 is a step for obtaining 2-naphthylacetic acid by hydrolyzing an amide compound obtained by subjecting 2 '-acetophenone to a Willgerodt reaction, if necessary, in the presence of an additive. Step 2 is a step of obtaining 2-naphthylacetonitrile by reacting the 2-naphthylacetic acid obtained in Step 1, a halogenating agent and sulfonamide in the presence of a catalyst if necessary in an organic solvent.
Owner:UBE CORPORATION

Sterilization and seedling formation solution for Sinojackia angustifolia seeds, preparation method, application method and method for promoting seed germination and seedling formation

PendingCN121667219ABiocidePlant growth regulatorsAlternariaNaphthylacetic acid
The invention belongs to the technical field of agriculture, and particularly relates to a degerming and seedling formation solution, a preparation method, an application method and a method for promoting seed germination and seedling formation. The degerming and seedling formation solution provided by the invention comprises gibberellic acid, indoleacetic acid, naphthylacetic acid, coptis chinensis and carbendazim, and the combination of coptis chinensis extract, carbendazim and growth hormone (gibberellic acid, indoleacetic acid and naphthylacetic acid) in a specific proportion has a synergistic inhibition effect on alternaria alternata and has a promotion effect on seed germination and seedling formation. The invention provides the preparation method of the degerming and seedling forming solution, and the application is simple. According to the application method of the degerming and seedling forming solution, the operation steps are simple, convenient and efficient, and the seedling forming efficiency is remarkably improved. The result of the embodiment shows that the germination rate of the Sinojackia xylocarpa seeds reaches 100% after the optimal treatment is performed for 15 days, and the survival rate of the seed seedlings reaches 96.67% after the optimal treatment is performed for 30 days.
Owner:CHINA THREE GORGES CORPORATION

Wetland plant growth promoter and preparation method thereof

The invention discloses a wetland plant growth promoter and a preparation method thereof, and belongs to the technical field of plant growth regulators and sewage treatment. The preparation method of the wetland plant growth promoter comprises the following steps: dissolving the soluble magnesium salt and the chelating agent in water, heating for reaction, cooling, adding the diethyl aminoethyl hexanoate, the compound sodium nitrophenolate, the pimacol and the fatty alcohol-polyoxyethylene ether, and uniformly stirring to obtain the wetland plant growth promoter. The wetland plant growth promoter suitable for promoting the growth of wetland plants is prepared by taking diethyl aminoethyl hexanoate, compound sodium nitrophenolate, sodium naphthalene acetate, chelated magnesium and fatty alcohol-polyoxyethylene ether as main components. The growth promoter has an obvious growth promoting effect on wetland plants, can enable the wetland plants to quickly accumulate biomass, not only can accelerate the construction of constructed wetlands, but also can obviously accelerate the purification speed when being used for helping biologically treat eutrophic water bodies.
Owner:YULIN CITY FORESTRY WORK STATION (YULIN CITY CONVERSION OF FARMLAND TO FOREST SERVICE CENT YULIN CITY FORESTRY & GRASSLAND SURVEY PLANNING & DESIGN INST) +1

Litsea cubeba secondary embryo proliferation culture medium and proliferation culture method

The invention discloses a litsea cubeba secondary embryo proliferation culture medium and a proliferation culture method, the culture medium is based on an MS culture medium, cane sugar, agar, casein hydrolysate, 6-benayl aminopurine, naphthylacetic acid, inositol and cyclodextrin are added, and the pH value is 5.6-5.8; the method comprises the following steps: a somatic embryo generation stage, a secondary embryo proliferation stage and regular removal of mature somatic embryos. According to the method, the immature seeds are adopted as explants, through the somatic embryogenesis culture medium and the secondary embryo proliferation culture medium of a specific formula, dark culture and periodic subculture are combined, the proliferation efficiency of the secondary embryos is remarkably improved, the highest proliferation multiple can reach 20.17 times, meanwhile, the endophyte pollution risk is reduced, and the genetic stability is guaranteed. The method is simple and convenient to operate, short in culture period, low in cost and suitable for large-scale industrial application, provides important technical support for rapid propagation, germplasm preservation and industrial development of litsea cubeba, and has remarkable economic and social benefits.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Rice seedling strengthening and root promoting composition and application thereof

PendingCN120770395ABiocidePlant growth regulatorsNaphthylacetic acidOryza sativa
The invention relates to a rice seedling strengthening and root promoting composition and application thereof, and belongs to the field of rice seedling strengthening and root promoting. The composition is mainly composed of a ketoxime triazole compound and an auxin compound, the auxin compound is any one of naphthylacetic acid and indolebutyric acid, and the structural formula of the ketoxime triazole compound is shown in the specification. Or after the ketoxime triazole compound is combined with indolebutyric acid, the growth of the root system of the rice is promoted while the seedling strengthening effect on the rice is achieved, every two components cooperate with each other in the seedling strengthening and root promoting process of the rice, and a foundation is laid for further improving the yield of the rice.
Owner:ZHENGZHOU ZHENGSHI CHEMICAL CO LTD

Dendrobium officinale protocorm-like body efficient proliferation culture medium and application method thereof

The invention discloses a dendrobium officinale protocorm-like body efficient proliferation culture medium and an application method thereof.The culture medium takes 1 / 2 MS as a basic culture medium, 30 g / L of mashed potatoes, 30 g / L of sucrose, 7 g / L of agar, 1 g / L of activated carbon, 0.2 mg / L of naphthylacetic acid (NAA) and 2 mg / L of 6-benzylamino adenine (6-BA) are added, pH is adjusted to 5.5-6.0, and preparation of the dendrobium officinale protocorm-like body efficient proliferation culture medium is completed through mother liquor preparation, ingredient mixing, pH adjustment and 121 DEG C high-pressure steam sterilization for 30 min. During application, the protocorm-like body needs to be inoculated into the culture medium through high-pressure steam sterilization, ultra-clean bench preparation, standardized split charging and sterile inoculation operation, and then is cultured under the conditions of (27 + / -2) DEG C, 12h / d illumination and 4000-5000lx. According to the method, the proliferation coefficient of the protocorm-like body cultured for 30 days is not lower than 5.0, the survival rate is not lower than 95%, browning is avoided, large-scale proliferation of the dendrobium officinale protocorm-like body can be efficiently achieved, and technical support is provided for follow-up research and production.
Owner:KUNMING MEDICAL UNIVERSITY

Humic acid reinforced bentonite fertilizer

The invention relates to a method for producing bentonite fertilizer reinforced with humic acid, which aims to reduce energy consumption, equipment and product costs, and labor while minimizing environmental damage. The method involves incorporating bentonite, fulvic acid or humic acid, naphthylacetic acid, coal ash, pulverized coal, starch, microbial agents, and various nutrients into the fertilizer. This invention addresses the challenges of water scarcity and global droughts, which negatively impact crop production. By using a combination of bentonite, humic acid, and other nutrients, the invention allows for continuous hydration of plant roots and retention of necessary solutes in the soil. The result is increased crop quality and production by 15 to 50 percent. This novel bentonite-humic acid fertilizer offers significant industrial applications across agricultural, soil remediation and land rehabilitation, and horticulture and floriculture sectors.
Owner:NOORDAD BENYAMIN +3

Packaged bottles (1% indole-3-acetic acid in aqueous solution)

ActiveCN309681499SAcetic acidBottle
1. Name of the designed product: packing bottle (1% indinavir nelfinavir solution). 2. Use of the designed product: packing bottle. 3. Design points of the designed product: the combination of shape, pattern and color. 4. Picture or photo best indicating the design points: perspective view. 5. The claimed design contains color.
Owner:CHONGQING NUOYI PESTICIDE CO LTD

Culture medium as well as culture method and application thereof

The invention provides a culture medium and a culture method and application thereof. The culture medium takes an MS culture medium as a basic culture medium, and cane sugar, brassinosteroid, gibberellin, naphthylacetic acid and cystine are also added. According to the culture medium and the culture method thereof, the number of cotton ovule fiber protrusions can be increased, the weight of cotton ovule fibers can be increased, and stable production of cotton fibers obtained through in-vitro culture of cotton ovules is achieved.
Owner:CHANGJI ESQUEL TEXTILE +1

Method for increasing content of genistein in flemingia philippinensis by using nitrogen

The invention discloses a method for increasing the content of genistein in flemingia philippinensis by using nitrogen. Culturing the flemingia philippinensis tissue culture seedlings in a propagation culture medium, and subculturing to obtain flemingia philippinensis stem segments with leaves; taking stems of the flemingia philippinensis, and culturing the stems in a rooting culture medium to obtain the flemingia philippinensis with increased genistein content; wherein the propagation culture medium is prepared from MS (Murashige and Skoog), 6-benzyladenine, indoleacetic acid and kinetin; the rooting medium comprises NH4NO3, MS (Murashige and Skoog) and naphthylacetic acid, and the MS does not contain NH4NO3. According to the method for increasing the content of genistein in the flemingia philippinensis by using nitrogen, accumulation of the active ingredient genistein at the root of the flemingia philippinensis is adjusted by adding exogenous nitrogen ions, so that the utilization rate of the flemingia philippinensis is increased, and the problem of resource shortage of the flemingia philippinensis is relieved.
Owner:GUANGDONG PHARMA UNIV

Growth-promoting stress-resistant rape seed pelleting agent and application

The invention belongs to the technical field of agricultural biology and seed engineering, and relates to a growth-promoting stress-resistant rape seed pelleting agent and application. The pelleting agent has the functions of growth promotion, disease resistance (clubroot), pest killing and stress resistance (stain resistance and cold resistance), and is formed by scientifically compounding an inert filler, a composite growth promotion component (including melatonin, naphthylacetic acid and abscisic acid), a bactericide (fluazinam or trichoderma), a broad-spectrum insecticide (70% thiamethoxam), a plant growth regulator (brassinolide or selenium medicament), an adhesive and an auxiliary agent. When an optimal formula of the composite preparation of fluazinam (the ratio of pesticide to seeds is 1: 100) and brassinolide is used, the cost is only about 0.67 yuan per mu, the yield can be increased by about 14 kilograms, the stable net income increase of 85-219 yuan per mu can be realized, and the input-output ratio is as high as 1: 126-1: 337. The invention provides an efficient, safe and comprehensive seed treatment scheme, and has important application value for guaranteeing stable and high yield of rape.
Owner:HUNAN AGRI UNIV

A pancreatic enzyme-responsive bioactive peptide and nanofiber hydrogel prepared using the same and its application

This invention belongs to the field of cancer drug technology, and particularly relates to a pancreatic enzyme-responsive bioactive peptide, a nanofiber hydrogel prepared using the same, and its applications. The trypsin-responsive bioactive peptide 1-Pept (sequence: naphthylacetic acid-phenylalanine-phenylalanine-glycine-tyrosine-lysine-cysteine-aspartic acid) can be co-assembled with the anticancer drug doxorubicin to form a 1-Pept / Dox nanofiber hydrogel. The nanofibers combined with Dox can disrupt the cytoskeleton, triggering a series of cascade events leading to cellular dysfunction, including mitochondrial damage, activation of apoptosis-related proteins, and nuclear damage, thereby synergistically causing tumor ablation. Compared with the existing anticancer drug doxorubicin alone, the 1-Pept / Dox nanofiber hydrogel exhibits significantly better anticancer effects in vitro and in vivo than pure doxorubicin, showing significant advantages in combating colon cancer.
Owner:HENAN UNIV OF CHINESE MEDICINE

Hybrid embryo rescue method and method for greatly creating interspecific hybrid seedlings of black poplar pie by using hybrid embryo rescue method

The invention relates to the field of plant conservation and breeding optimization, in particular to a hybrid embryo rescue method and a method for creating a large number of interspecific hybrid seedlings of Populus nigra by using the hybrid embryo rescue method. The method comprises the following steps: establishing an embryo rescue system, namely observing a separation layer between infructescence and branches after pollination for about 2 months, cutting part of infructescence to develop the embryo rescue system, washing capsules with running water for 120 minutes, lightly wiping peels with 75% alcohol for about 2 minutes, washing the capsules with sterile water for 5-6 times in a super clean bench, lightly absorbing moisture on the surfaces of the capsules with sterile filter paper, and taking out the capsules; the method comprises the following steps of: cutting a capsule by using a sterile scalpel, thoroughly removing floc, carefully clamping seeds by using sterile tweezers, putting the seeds on a 1 / 2MS culture medium containing auxin analogues for embryo rescue, and screening out an optimal culture medium which is 1 / 2MS + 0.06 mg / L naphthylacetic acid (NAA) + 0.08 mg / L indolebutyric acid (IBA) and has the pH value of 5.8-6.0 by adopting a culture dish germination method and taking 1 / 2 MS as the culture medium.
Owner:NORTHWEST A & F UNIV

Self-assembled antibacterial peptide based on pi-pi conjugation action driving as well as preparation method and application of self-assembled antibacterial peptide

The invention provides a self-assembled antibacterial peptide based on pi-pi conjugation action driving as well as a preparation method and application thereof, and belongs to the technical field of biology. The amino acid sequence of the gene is as shown in SEQ ID No. 1; a beta-hairpin amphiphilic peptide WRKFPG (RWFKFPGRWFRF-NH2) is used as a template, tryptophan, arginine and lysine are subjected to cross-chain interaction and combined action to form the force of the beta-hairpin structure, alanine is used for replacing phenylalanine at the fifth position of the N terminal, and the C terminal is amidated to form the antibacterial peptide with the beta-hairpin structure, which is stable in chemical structure and stable in biological function. And finally, connecting a naphthylacetic acid group to the N end to provide driving force required by self-assembly. The antibacterial peptide NRKRR can be self-assembled to form a nano structure. Due to the steric hindrance effect, the antibacterial activity of the antibacterial peptide is guaranteed, the stability is improved, and the antibacterial peptide has the potential of becoming an antibiotic substitute product.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

High-pressure propagation method for paris polyphylla

PendingCN121058502ALayeringCultivating equipmentsRHODIOLA ROSEA ROOTEndangered plant species
The invention belongs to the technical field of endangered plant breeding, and particularly relates to a seven-flower high-pressure breeding method. The high-pressure propagation method comprises the following steps: S.1, selecting a paris polyphylla plant, and carrying out bark girdling treatment on the base part of a branch; s.2, after the cut of the bark at the girdling part is dried, smearing the cut with a rooting powder solution which takes naphthylacetic acid and indolebutyric acid as main components; s.3, wrapping the branches with a high-pressure breeding box filled with a seedling culture substrate; s.4, daily cultivating and maintaining the branches until a spherical root system is formed; s.5, removing the high-pressure breeding box, and cutting off the bulb root; and S.6, transplanting the branches with good growth conditions into the seedling raising pot filled with the substrate, and transplanting the branches into a field in the next spring after the root system further grows. According to the method, by limiting branch selection and pretreatment, rooting powder solution concentration, matrix and rooting post-treatment in the high-pressure propagation process of the rhodiola rosea, efficient propagation of the rhodiola rosea is achieved, the highest rooting rate can reach 86% through the optimal method, and the rooting condition is good; the highest survival rate can reach 84%.
Owner:DAPANSHAN NAT NATURE RESERVE ADMINISTRATION OF ZHEJIANG PROVINCE

A growth-promoting plant growth regulator for forest trees, its preparation method and application

The present invention discloses a growth-promoting plant growth regulator for forest trees, its preparation method and application, belonging to the technical field of plant growth regulators. The plant growth regulator of the present invention comprises the following raw materials in parts by weight: 5-7 parts of Scutellaria baicalensis Georgi ferment, 0.01-0.02 parts of agar oligosaccharide, 4-5 parts of salicylic acid, 1-2 parts of echinacea polysaccharide, 0.2-0.3 parts of potassium indolebutyrate, and 0.6-0.8 parts of sodium naphthylacetate. The plant growth regulator of the present invention is applied to Picea crassifolia Kom. The components in the regulator synergistically enhance the effect, which can significantly promote the growth of Picea crassifolia Kom. plants and improve the germination rate of Picea crassifolia Kom. seeds at the same time. The plant growth regulator of the present invention effectively solves the problems of slow growth and low wood yield of Picea crassifolia Kom., and the components are safe and environmentally friendly, which has a positive effect on reducing environmental pollution and reducing agricultural residues.
Owner:SHANDONG ZHONGXIN AGRI DEV CO LTD

Nutrition regulation and control method suitable for growth of hydroponic alfalfa in different periods

The invention relates to the technical field of nutrient regulation of hydroponic plants, in particular to a nutrient regulation method suitable for growth of hydroponic alfalfa in different periods, which comprises the following steps: dividing the growth period of hydroponic alfalfa into a seedling period, a vegetative growth period, a squaring period and a flowering period, and dynamically adjusting nutrient solution components and environmental parameters for each period. The method specifically comprises the steps of promoting root development through low-concentration nitrogen and naphthylacetic acid in the seedling stage, optimizing the nitrogen-phosphorus ratio and conductivity in the vegetative growth stage, increasing potassium and boric acid in the squaring stage to prevent flower buds from falling off, reducing nitrogen in the flowering stage and supplementing 6-benayl aminopurine to delay senescence, and cooperatively regulating and controlling illumination and pH value in the squaring stage. The method can significantly improve the yield and crude protein content of hydroponic alfalfa, shorten the growth cycle, reduce the production cost, and meet the efficient and accurate requirements of modern agriculture.
Owner:INSTITUTE OF GRASSLAND RESEARCH OF CAAS

Preparation method and application of nutrient culture solution for layering propagation of radix tetrastigme

The invention relates to the technical field of nutrient culture solution preparation, in particular to a preparation method and application of a nutrient culture solution for layering propagation of radix tetrastigme. The invention relates to a preparation method of a nutrition culture solution for layering propagation of radix tetrastigme. The preparation method comprises the following steps: preparing sodium alginate sustained-release composite microspheres, preparing a lentinan composite chelate, preparing a basic nutrition mother solution and preparing the nutrition culture solution. Naphthylacetic acid is slowly released through the sodium alginate and calcium chloride cross-linked microspheres, high-concentration hormones are prevented from damaging plants, differentiation and growth of adventitious roots of radix tetrastigme are promoted, and the rooting rate is increased. The sodium hyaluronate and the seaweed oligosaccharide enhance the water retention and permeability of the microspheres. Zinc, copper and manganese exist in a chelated state and are slowly released, so that the bioavailability is improved.
Owner:ZHEJIANG INSTITUTE OF LANDSCAPE PLANTS & FLOWERS (ZHEJIANG XIAOSHAN COTTON & HEMP RESEARCH INSTITUTE)

Liquid culture medium for producing tender shoots of dendrobium officinale, application of liquid culture medium and culture method of tender shoots of dendrobium officinale

The invention discloses a liquid culture medium for producing dendrobium officinale tender shoots, which comprises a tender shoot induction liquid culture medium and a tender shoot proliferation liquid culture medium, and is characterized in that the tender shoot induction liquid culture medium is prepared by the following steps: measuring 150-350mL of potato extracting solution; 30-40 mL of coconut water, 1.5-2.5 mL of first organic elements, 5-15 mL of sulfur nitrate phosphorus elements, 5-15 mL of calcium salts, 5-15 mL of ammonium sulfate, 0.5-1.5 mL of trace elements, 5-15 mL of first iron salts, 0.5-1.5 mL of 6-benayl aminopurine, 0.2-0.6 mL of naphthylacetic acid and other mother liquor are sequentially added, and 25-35 g of cane sugar is added; the tender shoot proliferation liquid culture medium is prepared by the following method: measuring 150-350 mL of a potato extracting solution, sequentially adding 30-40 mL of coconut water, 1.5-2.5 mL of first organic elements, 5-15 mL of sulfur nitrate phosphorus elements, 5-15 mL of calcium salts, 5-15 mL of ammonium sulfate, 0.5-1.5 mL of trace elements, 5-15 mL of first iron salts, 0.15-0.45 mL of 6-benayl aminopurine and other mother solutions, and then adding 15-25 g of cane sugar and 5-15 g of edible glucose. The culture medium formula disclosed by the invention has the best effect on dendrobium officinale tender shoot liquid tissue culture production seedling culture.
Owner:ZHANGJIAGANG DREAM PLANTING TECHNOLOGY DEVELOPMENT CO LTD

Method for cultivating cherry seedlings in short period

The invention discloses a method for cultivating cherry seedlings in a short period, and relates to the technical field of cherry seedling cultivation. Semi-lignified cherry branches are selected, disinfected and then soaked in composite induction liquid for 2-4 h; peat soil, perlite and humus soil are mixed according to the volume ratio of 3: 1: 1, then naphthylacetic acid powder is added till the content of the naphthylacetic acid powder is 0.1-0.3 g / L, and a cutting medium is obtained; the explants are inserted into a cutting medium to be cultured; an LED light source with the ratio of red light to blue light being 7: 3 is adopted, illumination is conducted for 12 h every day, and the light intensity is 800-1200 lux. Through the synergistic effect of the scheme, the cultivation period is shortened, and the survival rate is remarkably increased.
Owner:DEZHOU CENTURY FENG AGRICULTURE & FORESTRY DEVELOPMENT CO LTD

Field standardized planting method for polygonatum kingianum

The invention discloses a polygonatum kingianum field standardized planting method which comprises the following steps: (1) seed treatment: collecting polygonatum kingianum seeds, soaking the seeds in warm water at 40-50 DEG C for 24 hours, naturally cooling the seeds, softening seed coats to facilitate germination, then mixing the seeds with wet sand, and storing the mixture in an environment at 5 DEG C for 60 days to break seed dormancy and improve the germination rate; (2) seedling raising: planting the treated seeds in a seedling raising bed according to the line spacing of 12-15 cm and the seed spacing of 5 cm, covering with soil of 2-3 cm, and then covering with pine needles for moisturizing. (3) field pretreatment: deep ploughing is performed by 30-40 cm, 2000-3000 kg of decomposed sheep manure and 10-15 kg of a probiotic agent are applied per mu, ridging is performed after uniform mixing, the ridge width is 1.2-1.5 m, and the ditch depth is 20 cm; (4) transplanting and field planting: spraying a mixed solution of gibberellin of 10-20 mg / L and naphthylacetic acid of 5-10 mg / L on the seedlings 7 days before transplanting to induce root development and avoid inhibiting growth of main roots; digging holes according to the row spacing of 30 cm and the plant spacing of 25 cm, planting, covering soil, and watering with rooting water; (5) field management. The invention relates to the technical field of polygonatum kingianum planting, and particularly provides a polygonatum kingianum field standardized planting method.
Owner:YUNNAN KANGXIANG AGRI DEV CO LTD

Jinggang honey pomelo tree grafting method

The invention discloses a Jinggang honey pomelo fruit tree grafting method. The method comprises the following steps: S1, grafting time selection: performing grafting from late February to mid-March in spring or from late September to mid-October in autumn; s2, stock pretreatment: selecting fructus aurantii or sour pomelo as a stock; root cutting treatment is conducted 20-30 days before grafting, and root promoting fertilizer is applied; pinching is conducted 7-10 days before grafting, and sprouts below the grafting position are removed; s3, scion treatment: collecting robust spring shoots or autumn shoots from excellent adult stock plants, removing leaves and reserving stems; quickly dipping the base part of the scion with a naphthylacetic acid solution and storing for later use; s4, grafting operation: grafting at the part, 15-25cm away from the ground, of the stock by adopting a single-bud cut-grafting method, and fixing by using a grafting clamp to only expose bud eyes; s5, management after grafting: removing sprouts in time; removing the film after the scion young sprouts are aged; fertilizer and water management, pinching and shoot supporting measures are carried out in the young shoot growth period. The grafting survival rate is remarkably increased, and a foundation is laid for high-yield and stable high-quality fruit production.
Owner:JIANGXI FUJING AGRI TECH CO LTD