80 results about "Naphthylacetic acid" patented technology

The invention provides a method for sterile sowing and efficient propagation of cymbidium faberi. The method comprises the following steps: pretreatment of cymbidium faberi seeds, sterile germination of the cymbidium faberi seeds, protocorm proliferation, differentiation, seedling strengthening and acclimatization and transplantation. The pretreatment comprises the steps of refrigerating hybrid seeds of cymbidium orchid at 4 DEG C, performing secondary disinfection with sodium hypochlorite, performing dark culture for 10-30 days after sowing, and then performing light culture, and the germination culture medium is prepared by taking 1 / 4 MS as a basic culture medium and adding 100-200ml / L of coconut water, 0.5-1.0 mg / L of 6-benayl aminopurine, 0.1-0.5 mg / L of naphthylacetic acid, 0.5-2.0 g / L of peptone and 0.5-1.0 g / L of activated carbon. According to the method, the seed germination rate can be effectively increased, the 60d seed germination rate reaches up to 85%, the pollution rate is reduced to 5% or below, 50.0 g / L inositol, 2.0 mg / L glycine and 2.0 mg / L nicotinic acid are added into a differentiation culture formula, the differentiation rate can be effectively increased, the leaf bud differentiation rate reaches up to 90%, meanwhile, rooting can be induced, the growth time of cymbidium faberi from seeds to seedlings is greatly shortened, a large number of high-quality seedlings can be obtained within a short time, and the method is suitable for large-scale popularization and application. Technical data are accumulated for cymbidium resource protection and new variety cultivation.

The invention discloses a method for simultaneously detecting residual quantity of 19 plant growth regulators in traditional Chinese medicinal materials, and belongs to the technical field of traditional Chinese medicinal material detection. The 19 plant growth regulators in the detected traditional Chinese medicinal materials are gibberellins, 4-chlorophenoxyacetic acid, 6-benzyladenine, paclobutrazol, 3-indolebutyric acid, thidiazuron, 2, 4-dihydroxyacetophenone and 2, 4-dihydroxyacetophenone respectively. The pesticide is prepared from the following raw materials: sodium 4-dichlorphenoxyacetate, forchlorfenuron, 3-indoleacetic acid, 4-fluorophenoxyacetic acid, isopentenyl adenine, imazalil, N-N '-diphenylurea, mepiquat chloride, diethyl aminoethyl hexanoate, 1-naphthylacetic acid amine, brassin, abscisic acid and 3-indolepropionic acid. According to the method, the QUECHERS traditional Chinese medicinal material sample on-machine pretreatment technology is applied, the ultra-high performance liquid chromatography-tandem mass spectrometry is established to measure the residual quantity of the 19 plant growth regulators in the medicinal materials, and the detection method is simple, clear, few in operation steps, extremely easy to operate, good in linear relation, good in sensitivity and high in accuracy.

The invention discloses a special leaf fertilizer for regenerative fragrant rice and application of the special leaf fertilizer. The special leaf fertilizer for the regenerated fragrant rice contains regulating substances such as triacontanol, gibberellin, diethyl aminoethyl hexanoate, pimacol, paclobutrazol and amino acid, and also contains microelement fertilizers such as zinc sulfate, ferrous sulfate, copper sulfate, manganese sulfate and ammonium molybdate. The special foliar fertilizer for the regenerated fragrant rice is appropriate in component and proper in proportion, and the yield of the regenerated fragrant rice can be effectively increased and the content of fragrant substances of the regenerated fragrant rice can be increased by applying the foliar fertilizer after first season fragrant rice is harvested. The special leaf fertilizer for the regenerated fragrant rice has the effects of increasing yield and aroma, and is beneficial for improving quality and efficiency of rice industry production.

The present invention provides a preparation method of high-viscosity hydroxypropyl methylcellulose. A preparation method of high-viscosity hydroxypropyl methylcellulose comprises the following steps: grinding and alkalizing refined cotton cellulose; adding methyl chloride and propylene oxide for etherification reaction; successively adding a crosslinking agent and an aqueous fulvic acid solution for reaction; adding potassium naphthylacetate, sodium sulfite and sodium molybdate and then drying. In the present invention, during the etherification reaction of alkalized cellulose, a crosslinking agent prepared by mixing sodium tetraborate and sodium tripolyphosphate is added for crosslinking reaction, which can reduce the content of water-soluble groups of the prepared hydroxypropyl methylcellulose, achieving the effect of increasing the viscosity of hydroxypropyl methylcellulose. Coating the crop surface with the high-viscosity hydroxypropyl methylcellulose not only has a better surface glazing effect, but also can increase its sugar content.

The invention provides a culture medium composition for saussurea involucrate tissue culture and application thereof, and belongs to the field of plant tissue culture. On the basis of the MS culture medium, the culture medium composition also comprises the following components: 9 to 11 g / L of fructose, 9 to 11 g / L of glucose, 9 to 11 g / L of sucrose, 5 to 7 g / L of agar, 0.5 to 1.5 mg / L of 2, 4-dichlorphenoxyacetic acid, 0.05 to 0.1 mg / L of naphthylacetic acid, 0.05 to 0.2 mg / L of N-phenyl-N '-1, 2, 3-thiadiazole-5-urea, 400 to 600 mg / L of lactoalbumin hydrolysate, 0.2 to 0.4 g / L of activated carbon and 10 to 25 mg / L of methyl jasmonate. By integrating hormone, functional additives (lactoalbumin hydrolysate and activated carbon) and a nano material (silver / copper doped nano zinc oxide), a multi-level synergistic effect is formed, so that the yield of flavonoid compounds is improved on the basis of improving the callus induction rate of saussurea involucrata.

The invention provides a water culture nutrient solution containing a growth regulator and a water culture method for grape cuttage, and belongs to the technical field of plant growth regulators. The hydroponic nutrient solution provided by the invention is prepared from the following components in mass concentration: 1.0 to 1.5 g / L of 1 / 2 Hoagland, 20 to 30 g / L of cane sugar, 0.4 to 0.6 g / L of indoleacetic acid, 2.5 to 3.5 g / L of indolebutyric acid, 0.8 to 1.2 g / L of naphthylacetic acid and 1.8 to 2.2 mg / L of zeatin. Indoleacetic acid, indolebutyric acid, naphthylacetic acid and zeatin in the hydroponic nutrient solution can synergistically promote rooting of grape cuttings, and the rooting rate reaches up to 98%. The preparation method of the hydroponic nutrient solution is simple and convenient, and is suitable for large-scale popularization and application.

The invention provides a high-yield cultivation method for amomum tsao-ko, and relates to the technical field of amomum tsao- The high-yield cultivation method of the amomum tsao-ko comprises the following steps: preparing a nutritional agent from monopotassium phosphate, urea, potassium nitrate, pimacol, betaine, salicylic acid, pulegone, multivitamins and compound amino acids, and treating during sowing, seedling raising and transplanting of the amomum tsao-ko. In addition, plant ash, burned soil, bamboo charcoal powder, a water chestnut leaf fermentation material and manure are used as nutrient fertilizers after the amomum tsao-ko is transplanted. According to the method, the defects in the prior art are overcome, the transplanting survival rate is increased while the growth performance of the amomum tsao-ko in the seedling raising period is improved, the subsequent high yield of the amomum tsao-ko is promoted, the economic value of amomum tsao-ko planting is increased, and the planting loss is reduced.

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.

The invention belongs to the technical field of agricultural planting, and discloses a picrorhiza scrophulariaceae seed stem cultivation and cutting seedling raising composition and method, and the composition is composed of naphthylacetic acid, indoleacetic acid, hymexazol, carbendazim wettable powder and a water medium; in the cultivation process of the picrorhiza scrophulariiflora seed stems, the thick and strong degree of the picrorhiza scrophulariiflora seed stems is reduced and the branch number and the branch length of overground stems are increased through fertilizer and water regulation, so that more propagation materials are obtained; then cutting the seed stem into small sections of 3-5cm so as to increase the propagation coefficient to a greater extent; meanwhile, a formula and method for seed soaking (graded seed soaking) and seedling stage water and fertilizer management are established, and the rooting rate and the seedling rate are increased; compared with traditional division propagation, the propagation coefficient of the picrorhiza seedling cultivated by the method is increased from 1: 5 to 1: 30-50 and is increased by more than 6 times.

The invention discloses a polypeptide derivative, a nanofiber and application of the polypeptide derivative and the nanofiber in preparation of a product for repairing subfissure of teeth, the sequence of the polypeptide derivative comprises Nap-Phe-Phe-Gly-Asp-His-Thr-Lys-Glu, and Nap is 2-naphthylacetic acid. The polypeptide derivative is clear in chemical structure, small in molecular weight, single in component, simple in preparation process, low in cost, high in yield and easy to store. The polypeptide derivative disclosed by the invention is self-assembled in an aqueous solution to form the supramolecular hydrogel with a nanofiber microstructure, and the supramolecular hydrogel is high in stability and good in biocompatibility. The nanofiber hydrogel of the polypeptide derivative can interact with mineral ions and can form a crystal structure very close to natural hydroxyapatite, so that ordered formation of mineral crystals is induced at enamel and dentin hidden cracks.

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.

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.

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.

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.

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.

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.

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.

The invention belongs to the technical field of gene engineering, and particularly relates to a culture medium and a method for constructing a Chinese cabbage high-frequency regeneration system. According to the Chinese cabbage material 'Y677P-3' cotyledons with stems and the in-vitro culture high-frequency regeneration method, the cotyledons with stems of aseptic seedlings of Chinese cabbages are used as explants for in-vitro culture and are induced into buds on a differential culture medium, and then the buds are transferred to a rooting culture medium for seedling formation. Wherein the differential culture medium comprises the following main components: an MS basic culture medium, 0.5 mg / L NAA (naphthylacetic acid), 4mg / L 6-BA (6-benzylamino adenine), 4.5 mg / L LAgNO3, 30g / L cane sugar and 8g / L agar. According to the Chinese cabbage in-vitro culture high-frequency regeneration method provided by the invention, the culture medium with a specific ratio is adopted, so that the differentiation frequency of the explant can be up to 100%, the regeneration period is short, and a stable new receptor material is provided for Chinese cabbage transgenic breeding research.

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.

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.

The invention discloses a method for efficient rooting and seedling formation of industrial hemp cutting slips. The viscous colloidal rooting agent is prepared from xanthan gum, boric acid, potassium permanganate, salicylic acid, naphthylacetic acid and indolebutyric acid, and has the advantages of being high in adhesiveness, long in acting time, stable in character, convenient to use and the like. When the rooting agent disclosed by the invention is applied to cutting slips of industrial cannabis sativa, the trimmed cutting slips of industrial cannabis sativa only need to be dipped in the sticky colloidal rooting agent, and the cutting slips are inserted into a prepared seedling culture substrate after standing for 30 minutes in a shady, cool and ventilated place. In the rooting process, humidity is increased and nutrition is supplemented through the ultrasonic humidifier with the timing function, and the problem that air humidification management is difficult in the cutting slip rooting and seedling forming process is solved. By means of the method, the industrial hemp cutting slips can root and grow seedlings within 13-16 days, and the seedling rate reaches 90% or above. The rooting rate of the industrial hemp cutting slips is greatly improved, and the method is an efficient cutting seedling raising scheme which is high in seedling rate, short in period and low in management cost.

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.

The invention discloses a Pandanus tectorius cutting propagation method, and relates to the technical field of plant tissue propagation, the Pandanus tectorius cutting propagation method comprises the following steps: mixing river sand and red soil according to a volume ratio of (3-6): 1 to prepare a cutting medium, and disinfecting; a robust mother plant of pandanus tectorius is selected, semi-lignified and well-growing branches are cut to serve as cutting slips of the pandanus tectorius, and the base diameter of the cutting slips of the pandanus tectorius is 2-4 cm; the pandanus tectorius cutting slips are soaked with a naphthylacetic acid nano rooting agent; the pandanus tectorius cutting slips soaked with the rooting agent are subjected to cuttage and disinfection. The matrix formed by mixing the river sand and the red soil according to the proportion is good in drainage performance and air permeability, and the moderate humidity can be kept. The epidermis of the pandanus tectorius cutting slips is perforated, so that organic nutrition conveying from top to bottom can be slowed down, calluses are formed at the perforated positions, and the rooting rate is increased. According to the scheme, the rotting condition of the pandanus tectorius cutting slips can be effectively reduced, and the rooting rate of the pandanus tectorius cutting slips is increased.

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.

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.

The invention relates to a novel plant regulator composition, in particular to a phenol compound and naphthylacetic acid composition and application thereof. The invention relates to a composition of a phenol compound and a naphthylacetic acid substance. The composition is prepared from the phenol compound and the naphthylacetic acid in a mass ratio of (1: 40)-(40: 1), wherein the phenol compound is 4-(2-(methyl-2-(4-methylpent-3-en-1-yl) cyclopent-3-en-1-yl) phenol, the molecular formula is C18H24O, the relative molecular mass is 256.4, and the structural formula is as follows: # imgabs0. Through mixing of the fructus psoraleae seed extract and naphthylacetic acid, especially root irrigation, the pesticide composition can promote root growth of crops, enables plants to be robust, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth of the crops, can promote root growth and phytotoxicity caused by excessive medicament or high toxicity can be resisted, so that the loss caused by the phytotoxicity can be made up. Naphthylacetic acid has the effects of promoting root development and increasing the number of root branches and root hair, the fructus psoraleae seed extract possibly contains some components for promoting plant growth or enhancing stress resistance, and the naphthylacetic acid and the fructus psoraleae seed extract are combined for use, so that a synergistic effect can be generated.

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.

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.

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.