530 results about "Indole acetic acid" patented technology

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

The invention discloses a bacillus megaterium strain X3 and application thereof to plant growth promotion. The bacillus megaterium strain X3 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 11, 2015 with the preservation number of CGMCC No.10803, is obtained through separation of indoleacetic acid, has the characteristics of siderophore production, phosphate solubilizing, ammonia producing, salt tolerance and disease suppression, can remarkably promote crop growth and improve corn yield, and meanwhile, can increase the diversity and the abundance of microbes in soil. The bacillus megaterium strain X3 is quick in reproduction, simple in production process, strong in adversity ability, easy to preserve and conductive to industrial production, and can not only prevent and cure soil-borne diseases but also promote plant growth when utilized to prepare a bio-fertilizer, thereby having a wide application prospect.

The invention belongs to the technical field of agriculture and environmental pollution improvement and relates to a heavy metal resistant plant endogenous nodule bacterium and application thereof. The heavy metal resistant nodule bacterium is preserved at the China center for type culture collection (CCTCC) with the preservation date to be 2012 / 9 / 18 and culture preservation number to be CCTCC NO:M2012357. The bacterial strain liquid preparation contains more than a billion of effective living bacteria per milliliter, and the bacterial strain solid preparation contains 0.2 billion of effective living bacteria per gram. The heavy metal resistant nodule bacterium strain can secrete plant hormones indole acetic acid (IAA) and siderophores, and resists heavy metal copper and cadmium. When plants are planted in moist soil or tailings containing heavy metal and bioremediation preparation is inoculated, the heavy metal resistant nodule bacterium can promote plant growth and absorbs heavy metal copper, can improve plant restoration efficiency, can fix sandy soil and reduces water and soil loss.

The invention discloses bacillus megaterium and an application thereof, and belongs to the field of microorganisms. A plant growth promoting bacterium (bacillus megaterium JX15) is collected in the China General Microbiological Culture Collection Center on Dec.20, 2011, the class name is bacillus megaterium and the collection number is CGMCC No.5622. The bacillus megaterium has the beneficial effects that a strain can produce indoleacetic acid with high yield, can be used for nitrogen fixation and can grow by using sparingly-soluble phosphates as phosphorous sources, so as to improve the utilization rates of fertilizers, promote plant root development and absorption of the fertilizers, and increases the contents of soil mineral nitrogen and available phosphorus; the strain has a good effect on promoting growth of peanuts; the high-yield indoleacetic acid promotes the growth and the development of the peanuts; and the nitrogen and phosphate fertilizer utilization rates of the peanuts are relatively high due to the increasing of the contents of the soil mineral nitrogen and the available phosphorus.

According to the present invention a new isolate of a Pseudomonas spp, DSM 21663, has been shown to possess unique properties. This Pseudomonas is a plant growth-promoting rhizobacterium (PGPR). Among its modes of action involved in plant growth-promotion are anti-biotic production (2,4-diacetylphloroglucinol, (DAPG); pyrrolnitrin, PRN and others), indole-3-acetic acid (IAA) production and phosphate solubilization, and production of unique volatiles. The strain is fluorescent, oxidase-positive, and has the ability to suppress soil-borne root and foliar pathogens of both fungal and bacterial origin.

Disclosed are methods of reducing serum glucose and triglyceride levels and for inhibiting angiogenesis, the methods comprising administration of substituted indolealkanoic acids to patients in need of such treatment. Also disclosed are such compounds useful in the treatment of angiogenesis, hyperglycemia, hyperlipidemia and chronic complications arising from diabetes mellitus. Also disclosed are pharmaceutical compositions containing the compounds. Further, disclosed are combinations of an angiotensin converting enzyme inhibitor and a substituted indole acetic acid.

The invention discloses a Bacillus megaterium and application thereof, and belongs to the field of microorganism. The plant growth-promoting bacteria (Bacillus megaterium ZH5) is preserved on January 22, 2014 in the China General Microbiological Culture Collection Center affiliated to China Committee for Culture Collection of Microorganisms, and has classification name of Bacillus megaterium and preservation number of CGMCC No.8802. The strain is able to maintain high activity in acid environment and high-yield of indole acetic acid and can utilize insoluble phosphate as a phosphorus source for growth to improve the utilization rate of fertilizer, increase the content of available phosphorus in soil and improve the quality of soil especially red soil; high-yield indole acetic acid promotes plant growth and development, and improves the development and fertilizer absorption of the plant roots, and the increase of the available phosphorus content of soil also realizes high utilization rate of phosphorus fertilizer by plant. Therefore, the Bacillus megaterium has good growth promoting effect on plants especially peanut.

The invention discloses an efficient tissue culture and rapid propagation technology for seedlings of bletilla striata. According to the technology, bletilla striata seeds are sown on a seed germination culture medium for sterile germination, the obtained seedlings are inoculated to a multiplication and subculture medium one by one for multiplication and subculture, clustering seedlings are obtained and inoculated to a rooting culture medium for rooting culture, the obtained tissue culture seedlings are planted on a prepared seedling hardening substrate, and the seedlings are transplanted to a large filed for plantation after seedling hardening, wherein the seed germination culture medium comprises MS (magnesium sulfate), 30g / L of sugar, 8g / L of agar and 10g / L-12g / L of potatoes; the multiplication and subculture medium comprises MS, 1.0 mg / L of KT (kinetin), 0.2 mg / L of NAA (naphthalene acetic acid), 30g / L of sugar and 9g / L of agar; the rooting culture medium comprises MS, 0.2 mg / L of NAA, 1.0mg / L of IAA (indole acetic acid), 30g / L of sugar, 9g / L of agar and 25-30 g / L of potatoes; the seedling hardening substrate comprises medium moor peat soil, perlite and wood dust in the volume ratio being 5:2:3. The technology is mature, a system is perfect, the problems of low natural germination rate of bletilla striata and difficulty in obtaining of seedlings can be effectively solved, and the technology has better popularization and application value and broad market prospect.

The invention belongs to the technical field of planting, and discloses a high-yield planting method for improving the disease resistance of Citrus. The high-yield planting method comprises the following steps: 1) selecting and processing cultivating land, selecting the sandy land for tilling, and applying sufficient decomposedmanure, digging holes according to the row spacing of (2-3) * (3-4)m, applying2-5 kg of superphosphate and 2-3 kg of plant ash for per hole; 2) transplanting and planting; transplanting and plating between late August and early September, or between February and March, and applying nutrient solution at the same time; 3) applying fertilizer; applying compound fertilizer in the germination period by 0.5-1.2kg / tree; applying calcium orthophosphate in the florescence period by 0.3-0.6kg / tree, and applying boric acid with a mass concentration of 0.3-0.5% and disease-resistance nutritional agents with the mass concentration of 0.3-0.5% by means of foliar spraying; applying foliar fertilizer with a concentration of 0.3-0.5% during the fruit expansion stage; applying fruit expanding fertilization during full bearing period by 0.5-1.5kg / tree; 4) insect killing; preparing the insect-resist agents from probiotics, indole acetic acid, Chinese medicine extract and carbendazim. The high-yield planting method for improving the disease resistance of citrus has the advantages that the yield and quality of citrus is significantly improved; the disease-resistance of citrus is improved and the fragrance and the sweetness of the fruits are greatly improved.

The invention discloses scion root liquid of hackberry. Each liter of root liquid contains the following components in parts by weight: 1-3 parts of 6-benzyl amino adenine, 2-3 parts of ABT2 rooting powder, 15-20 parts of heteroauxin, 20-30 parts of naphthylacetic acid, 0.2-0.5 part of potassium iodide, 2-4 parts of zinc sulfate, 0.05-0.1 part of sodium molybdate, 10-20 parts of ammonium nitrate, 1-3 parts of magnesium sulfate, and 1-1.5 parts of vitamin D. A method for grafting and seeding the hackberry by the root liquid comprises the steps of: selecting scions and preparing the scions; selecting a stock and cutting the selected stock; connecting; and finally, carrying out seeding management. The root liquid disclosed by the invention is reasonable in formula, and the survival ratio of the grafted hackberry can be improved to over 90%. The grafting method disclosed by the invention is simple and convenient to operate, and easy to popularize.

The invention provides a compound auxin for inducing plants to form aquatic roots and a method for forming aquatic roots, which consists of the following components in proportions by weight: 0.5-2 parts of indole butyric acid, 0.5-2 parts of indole acetic acid, 0.25-1 part of naphthaleneacetic acid and 1-4 parts of potassium dihydrogen phosphate. In the present invention, by selecting indole butyric acid, indole acetic acid and naphthalene acetic acid in an appropriate ratio, and adding the nutrient potassium dihydrogen phosphate, the training time of water rooting can be shortened, and the probability of inducing plants to form water rooting can be increased. And the formed aquatic root system has high vitality and developed root system.

The invention discloses a disease-prevention and growth-promoting Trichoderma harzianum and an application thereof. The strain number of the Trichoderma harzianum is TM2-4, which is registered in theGeneral Microbiology Center of China Microbial Culture Collection Management Committee as CGMCC No. 15881. The Trichoderma harzianum M2-4 can inhibit Botrytis cinerea, Prunus persica, Colletotrichum gloeosporioides and Fusarium oxysporum f. Sp. Cucumerinum on fruits and vegetables, and has good control effect on tomato gray mold in vitro and can promote the germination of tomato seeds and the growth of tomato plants. The Trichoderma harzianum TM2-4 has indoleacetic acid (IAA)-producing activity, ferrophilic activity, glucanase and chitinase-producing activity. The Trichoderma harzianum TM2-4 has high breeding speed and can be cultured artificially, and the culture condition is simple, and the spore production is up to 3.2 * 109 cfu / g on the solid fermentation medium of wheat bran and corncob nutrient solution.

The invention relates to a method for cultivating corn in saline-alkali soil. The method includes: broad irrigating the saline-alkali soil in the middle of March with the irrigation amount of 60-100m<3> each mu, airing for 1-1.5 months to allow earth surface to be dried enough for entering, applying 1000-1500kg of miscellaneous manure or 50-55kg of composite fertilizer to each mu, performing rotary tillage once to twice to mix the soil and the fertilizer, raking to preserve soil moisture, and levelling soil surface; processing with seed coating before sowing corn, adding pesticide first during germicide and pesticide seed dressing, piling and stuffing for 3-6 hours, then adding germicide, and sowing immediately after seed dressing, wherein the seed coating comprises actinomycin, bacillus subtilis, azospirillum, fulvic acid, carry powder, indole acetic acid, trace elements, alpha-pimacol growth regulator, EDTA-2Na chelating agent, humic acid and turf.

The invention provides Bacillus velezensis K01 and application thereof. The Bacillus velezensis K01 has the growth promotion functions of dissolving phosphorus and generating indoleacetic acid, cellulase, protease and the like, also can generate anti-bacteria active substances and volatile anti-bacteria substances, can inhibit growth of various pathogenic bacteria, has a good biocontrol function, also can favorably realize colonization on the rhizosphere of a plant and in the plant, can be applied to plant growth promotion and biological control of plant diseases, and has a good application prospect.

There is provided a series of substituted acyl guanidines of Formula (I) or a stereoisomer; or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4, R5, R6, R7, and R8 as defined herein, their pharmaceutical compositions and methods of use. These compounds inhibit the processing of amyloid precursor protein (APP) by β-secretase and, more specifically, inhibit the production of Aβ-peptide. The present disclosure is directed to compounds useful in the treatment of neurological disorders related to β-amyloid production, such as Alzheimer's disease and other conditions affected by anti-amyloid activity.

The invention provides bacillus aquimaris L-60 capable of effectively prompting the growth of crops and application thereof. The strain is separated from potato rhizosphere, and is classified into bacillus aquimaris based on physiological-biochemical characteristics and 16S rDNA (ribosome Deoxyribose Nucleic Acid) analysis. As proved by a high performance liquid chromatography analysis result, the strain L-60 has a high indole Acetic acid (IAA) producing capability. As proved by a pot experiment result, a growth-promoting bio-fertilizer researched on the basis of the strain can remarkably promote the growth of corn, cucumber and tomato plants.

The invention discloses a medicago pseudomonas strain capable of producing ACC (1-aminocyclopropane-1-carboxylate) deaminase and application of the medicago pseudomonas strain, and relates to a medicago pseudomonas strain and application thereof. The pseudomonas (pseudomonas sp.) MJM-9 is preserved in the general microorganism center of the China microorganism culture preservation management committee in 26th July, 2012, and the preservation number of the pseudomonas MJM-9 is CGMCC NO.6294. The medicago pseudomonas strain containing the ACC deaminase is used as bacterial manure for growing crops. The medicago pseudomonas strain can generate the ACC deaminase, secrete auximone IAA (indole acetic acid), synthesize siderophores, reduce the concentration of ethylene inside a plant under the condition of environmental stress, promote the plant to grow fast, particularly promote growth and development of a root system of the plant, and increase utilization rate of fertilizers. Besides, when the strain is applied to agricultural production, growth of plants can be promoted, yield of crops can be increased, and stress resistance of the crops is improved.

The invention discloses an alfalfa growth-promoting rhizobacteria MJM-11 and application thereof. An Enterobacter ludwigii strain MJM-11 has a preservation number of CGMCC No.6295. The Enterobacter ludwigii strain MJM-11 can be applied in at least one of the following four ways: 1, preparation of an ACC (1-aminocyclo propane-1-carboxylate) ammonialyase; 2, preparation of indoleacetic acid; 3, preparation of siderophores; and 4, promotion of the growth of plants under the saline-alkali stress. Experiments prove that the alfalfa growth-promoting rhizobacteria MJM-11 which is obtained through separation can be used for synthesizing the ACC ammonialyase and the IAA (Indole Acetic Acid) siderophores and is capable of effectively promoting the alimentation of plants in a saline-alkali stress environment, regulating the growth of plants and enhancing the stress resistance capacity of plants in adverse conditions.

The invention discloses Ensiferadhaerens CGMCC 6315 which is a bacterium having a nitrogen-fixing capability. The strain is also a plant growth promoting rhizobacterium (PGPR), and can produce indoleacetic acid (IAA), extracellular polysaccharide (EPS), siderophore, salicylic acid (SA), 2,3-dihydroxybenzoic acid (DHBA), hydrogen cyanide (HCN) and ammonia. Under the stress condition of a salt containing sodium chloride, soybeans inoculated with the E.adhaerens CGMCC 6315 can have a higher germination rate in comparison with a control group which is not inoculated with the strain.

The invention discloses the structure, the preparation process and the usage of a novel 3-substituted indole compound .The invention is characterized in that carbon 3-position of the indole is introduced with the selenium and is then connected with other substituents, which improves the stronger plant growth regulating function relative to the indole acetic acid. The compound of the invention can also be taken as an enriched selenium agent of the plant.

The invention discloses an indole-3-acetic acid molecularly imprinted magnetic cellulose microsphere and a preparation method and applications thereof, which relate to a nano magnetic cellulose molecularly imprinted microsphere and a preparation method and applications thereof. The invention is designed for solving the problem that an existing IAA (indole-3-acetic acid) detection method is complicated in step, time-consuming, quantitative in jamming and high in cost. The indole-3-acetic acid molecularly imprinted magnetic cellulose microsphere disclosed by the invention is prepared from an IAA, 4-VP, silanized beta-CD (beta-cyclodextrin), DMSO (dimethylsulfoxide), nano magnetic cellulose microsphere particles, a crosslinking agent, styrene, an initiator and water. The method comprises the following steps: 1, activating cellulose; 2, dissolving the cellulose; 3, preparing nano Fe3O4 magnetic liquid; 4, preparing nano magnetic cellulose microsphere particles; 5, silanizing beta-cyclodextrin; and 6, preparing the IAA molecularly imprinted magnetic cellulose microsphere. The indole-3-acetic acid molecularly imprinted magnetic cellulose microsphere disclosed by the invention, as an adsorbent, is used for quantitatively detecting the content of an indole-3-acetic acid in plant tissues.

A cosmetic and dermatological composition comprises 2, 3-dihydro-4-hydroxy-2-oxo-1-H-indole-3-acetic acid (4-hydroxy-1-oxindole-3-acetic acid) as an active ingredient for use as a melanin inhibitor and as an anti-tyrosinase enzyme inhibitor. This composition is excellent as a skin whitening agent. Since it also has potent antioxidant and anti-irritant activities it is useful in a cosmetic composition for improving hyperpigmentation disorders of the skin.

The invention relates to a pseudomonas mediterranea strain and application thereof. The pseudomonas mediterranea MJM-3 is preserved in the general microorganism center of the China microorganism culture preservation management committee, the preservation address is No.3 of No.1 courtyard of Beichen West road of Chaoyang district of Beijing City, the preservation date is 26th July, 2012, and the preservation number is CGMCC NO.6292. The pseudomonas mediterranea strain is used as bacterial manure for growing crops. The pseudomonas mediterranea strain has ACC (1-aminocyclopropane-1-carboxylate) deaminase activity, and can secrete auximone IAA (indole acetic acid) and siderophores. Accordingly, the concentration of ethylene in a plant under the condition of environmental stress can be reduced, growth and development of a root system of the plant are promoted, iron absorption of the plant is also promoted, and growth condition of the plant is improved. Besides, when applied to agriculturalproduction, the pseudomonas mediterranea strain can promote growth of plants, yield of crops is increased, and stress resistance of the crops is strengthened.

The invention discloses a method for rapidly breeding potted carnation through tissue culture. The method comprises the following steps of: cutting an explant and sterilizing; carrying out primary culture, wherein a primary culture medium comprises MS (Murashige and Skoog), 1.5mg / L of 6-BA (6-Benzylaminopurine), 0.2mg / L of NAA (Naphthalene Acetic Acid), 30g / L of sucrose and 8g / L of agar; carrying out subculture, wherein a subculture medium comprises MS, 0.8mg / L of 6-BA, 0.2mg / L of NAA, 30g / L of sucrose and 8g / L of agar; carrying out rooting culture, wherein a rooting culture medium comprises MS, 0.2mg / L of NAA, 0.1mg / L of IAA(Indole Acetic Acid), 30g / L of sucrose and 8g / L of agar; and washing the culture mediums away and then holding the temperature and humidity for seedling hardening and transplanting. The method is simple and easy to operate, simple in procedure and high in working efficiency, and is capable of effectively holding excellent properties of parents. According to the method, the differentiation rate of a tissue culture seedling is increased. The method has the characteristics of high multiplication speed, high rooting rate, high survival rate and low cost.

The invention discloses an acer negundo aurea tissue culture rapid propagation method which belongs to the technical field of plant tissue culture, and includes explant sterilization, starting culture, primary culture, subculture and transplanting steps. Only one medium is used in the method, and the medium is 1 / 2DKW+0.1mg / L NAA (naphthalene acetic acid) +0.05mg / L IAA (indole acetic acid) + 30g / L sucrose + 5g / L agar, proliferation and rooting culture can be performed on the same medium, and the method has the characteristics of being simple in culture process, easy to operate, high in propagation coefficient, short in breeding cycle, free of hardening, and high in survival rate.

The present invention provides a method of producing a triterpene composition wherein callus induced from banaba, loquat, perilla or guava is cultured with indoleacetic acid and another plant hormone, and a triterpene composition containing at least one selected from the group consisting of corosolic acid, tormentic acid, 2α,19α-dihydroxy-3-oxo-urs-12-en-28-oic acid and maslinic acid is obtained from the cultured callus.

The invention relates to bacillus velezensis and an application thereof in wheat sheath blight control and growth promotion. The strain is bacillus velezensis M6, is preserved in China General Microbiological Culture Collection Center, has the preservation number of CGMCC No.15628 and can produce indoleacetic acid (IAA), siderophore and other growth-promoting substances; at the same time, the strain also has a significant effect of dissolving organic phosphorus; in addition, the strain has a good control effect on wheat sheath blight caused by rhizoctonia solani.

The invention discloses a cotton seedling culturing pesticide fertilizer composition. The cotton seedling culturing pesticide fertilizer composition is prepared by mixing mepiquat chloride, indoleacetic acid, azoxystrobin, metalaxyl, 15 to 25 mass percent of grass carbon, borax, zinc sulfate, monopotassium phosphate, magnesium sulfate, monoammonium phosphate and ammonium sulfate; the cotton seedling culturing pesticide fertilizer with the brand new composition integrates multiple functions of fertilizer efficiency, sterilization and disinfection, chemical regulation, rooting promotion and the like, saves labor and time, is low in cost, innocent, high in fertilizer efficiency, and high in utilization rate, and inhibits vain growth at a seedling stage, controls soil-borne disease at the seedling stage, promotes root development, and resists drought and low temperature. The seedling does not wilt, is high in disease resistance and the production of the cotton is increased obviously.