216 results about "Abscissic 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.

This invention discloses stress-tolerant R2R3 MYB transcription factor, its coding gene and application. The stress-tolerant R2R3 MYB transcription factor is derived from Arabidoesis thaliana, and can be applied in culturing stress-tolerant plants that can resist abscisic acid, high salt and draught. The transcription factor is one of the following amino acid residue sequences: (1) SEQ ID NO.1; (2) protein by substituting, deleting or adding 1-10 amino acid residues of SEQ ID NO.1, which can regulate the stress tolerance of plants. The protein and its coding gene have important meaning to research on plant stress-tolerant mechanism, and method for improving draught, salt and stress tolerance of plants. The protein and its coding gene have potential application in stress-tolerant genetic engineering of plants.

The invention discloses a preparing method of natural peel acid with flowing add muscle alcohol to absolve amylaceum repressible craft in ferment course and a new bacterial strain, which comprises the following steps: culturing fungus with generating natural abscisic acid in the first grade liquid culture medium; seeding the cultured first grade on the second liquid culture medium to culture; flowed-adding supplement material into the third grade liquid culture medium and muscle alcohol at the same time; proceeding yeast; collecting abscisic acid from the ferment culturing liquid.

The invention relates to a high-efficiency fruit-nutritive physiological hyperchromic fertilizer and a preparation method thereof. Currently, the hyperchromic products in the market such as phytohormone, including products of ethane, abscisic acid, daminozide, most of such products adopt or contain hormone, have instable effect and easily cause adverse side effects, thus leading fruits to be soft and lowered in bin stability. The invention is a high-efficiency fruit-nutritive physiological hyperchromic fertilizer, the active ingredients of which comprise aminofusin, potassium sulfate, potassium chloride, borax, zinc vitriol, iron vitriol (FeSO4 question mark 7H2O), compound sodium nitrophenolate, chlormequat chloride with 50 percent of aqua and white sugar; the ingredients do not contain hormone, are non-poisonous and pollution-free, and have no adverse side effects. The high-efficiency fruit-nutritive physiological hyperchromic fertilizer contains various aminophenols, active substances for plant growth, a plurality of major elements and chelate trace elements, which are necessary for the growth and development of the fruit trees and vegetables, and is a novel organic and inorganic hyperchromic product integrating the advantages of various foliar fertilizers of inorganic nutrition type, organic type and growth conditioner type, etc. into a whole.

Proteins having binding sites for abscisic acid (ABA) and methods of use are disclosed. The physiological functions of ABA, plant life cycles, seed dormancy and ripening can be altered by manipulating the binding of ABA to its receptors.

The present invention concerns a transgenic plant with enhanced tolerance to reduced water availability. The plant includes an expression cassette including an abscisic acid responsive element binding factor (ABF), which is capable of expressing the recombinant ABF. A method to improve plant's tolerance to reduced water availability is also provided.

The invention relates to the preparation and application of a plant growth regulator. The plant growth regulator is 14-hydroxybrassinosteroid, and is characterized in that the raw materials are easy to obtain, the price is low, the preparation method is simple, convenient and feasible, and the use method is simple. According to the preparation and application of the 14-hydroxybrassinosteroid, the14-hydroxybrassinosteroid has the effects of promoting the plant growth, promoting the fruit and vegetable setting, accelerating the germination, improving the quality and the stress resistance, can be compounded with the cytokinin, the gibberellic acid, a bactericide, the plant inhibition regulator, the herbicides, the abscisic acid and a biochemical regulator, remarkably improves the pesticide effect and the stability, increases the utilization rate of a preparation, and is suitable for the industrial production.

The invention discloses antitranspirant. The antitranspirant consists of the following raw materials in part by weight: 200 to 500 parts of liquid biochemical fulvic acid, 200 to 500 parts of dry alhagi alkaline essential oil, and 2 to 10 parts of abscisic acid; and the antitranspirant can be prepared by uniformly and fully mixing the components. The antitranspirant is applied to reduction of thetranspiration of crops. The antitranspirant has the advantages of high efficiency, and innocence and environment-friendliness and has effects on various crops.

The invention discloses a method for synchronously separating and measuring an endogenous abscisic acid, gibberellins and auxin in turfgrass, and relates to the technical field of plant endogenous hormone analysis. The method provided by the invention comprises the steps as follows: (1) fast extracting the three major hormones namely, the endogenous abscisic acid, the gibberellins and the auxin; (2) solid phase extracting and eluting; (3) conducting high efficient liquid chromatogram-mass spectrometry. According to the method provided by the invention, the pretreatment is easy and consumes less time, the consumption of a chemical reagent is little, the cost is saved effectively, the detection is high in sensitivity, good in selectivity and requires no derivatization, and as a separation extraction method, a chromatograph separation condition and a mass spectrometric detection method enable such three major hormones as the endogenous abscisic acid, the gibberellins and the auxin to be measured directly and synchronously in the crude extract of a turfgrass sample, the method has a high recovery rate reaching 94.6-96.5%.

The invention discloses an abscisic acid receptor stimulant raw drug and a preparation method thereof. The preparation method of the abscisic acid receptor stimulant raw drug comprises the following steps: adding quinolinone and halogenated propane into N, N-dimethyl formamide, and performing alkylation reaction to generate N-propyl quinolinone by taking sodium hydride as a catalyst; adding N-propyl quinolinone into dichloromethane, then, adding fuming nitric acid, and performing nitratlon reaction to generate 7-nitryl-propyl quinolinone; adding 7-nitryl-N-propyl quinolinone into an organic solvent ethanol, then, adding hydrochloric acid and iron powder, and performing hydrogenation reduction reaction to generate 7-amino-N-propyl quinolinone; adding 7-amino-N-propyl quinolinone into an organic solvent acetonitrile, then, adding 4-methyl benzylsulfonyl chloride, performing condensation reaction to generate N-(2-carbonyl-1-propyl-1,2,3,4-4H-quinolinone-6-)-4-p-methyl sulfamide, namely a abscisic acid receptor stimulant by taking N, N-diisopropylethylamine as a catalyst. The method has a relatively high yield; the prepared abscisic acid receptor stimulant raw drug is free of an optical isomer, easy to purify and relatively low in cost.

The invention relates to a plant growth regulating composition for top stress-resistance growth. It comprises A) a natural type abscisic acid B) ethephon C) 6-benzyl-amino-purine as active ingredient in addition of general inert auxiliaries. The compositions contain a weight ratio of A): B): C) of 1:0.01-300:0.01-100.Not only the cost can be reduced through plant growth regulating composition, but also with higher effect.

The present invention relates to plant enzymes responsible for hydroxylation of abscisic acid, said enzymes capable of 7'- and 8'-hydroxylation of abscisic acid, and polynucleotides encoding the same. The invention further relates to methods for using said polynucleotides to alter plant metabolism, in particular metabolism of abscisic acid. The invention further relates to plants exhibiting altered characteristics as a result of the alteration of abscisic acid metabolism.

The invention belongs to the technical field of agriculture, and relates to a rice seed soaking agent and application thereof, particularly a seed soaking agent capable promoting rice seeds to quickly rooting and germination after straws directly return to the field, and application thereof. Every 1L of solvent contains the following solute components: 100-150mg of gibberellin, 25-50mg of indoleacetic acid, 0.1-0.5mg of abscisic acid, 500-1000mg of ammonium bicarbonate and 100-500mg of zinc sulfate. The rice seed soaking agent regulates the physiologic and biochemical functions of the rice seeds by the chemical control technique against the direct sowing planting mode of rice, promotes the rice seeds to quickly rooting and germination after the straws directly return to the fertilized filed, can promote growth development of the rice and improve the quality of the rice due to the components in the seed soaking agent, and has obvious yield increase effect; and the yield increase rate of the rice is up to higher than 10%.

The invention discloses application of a calcineurin B protein interaction protein kinase gene HsCIPK17 of annual Hordeum spontaneum C. Koch in the Qinghai-Tibet Plateau: the HsCIPK17 is used for constructing Oryza sativa L.; the Oryza sativa L. has heavy metal stress tolerance and also has salt tolerance and abscisic acid stress tolerance; heavy metals are mercury, cadmium and chromium; a nucleotide sequence of the gene HsCIPK17 is that the GenBank accession number is JN655677.

A method for ultralow-temperature storage and renewal cultivation of wild rice stem tips includes steps: taking a subcultured sterile tissue culture seedling, keeping the base portion, culturing in a culture medium free of hormone MS, cutting new sprouts of the base portion, transferring to a culture medium containing 0.3molL<-1> of sucrose and 0.5-5mgL<-1> of abscisic acid to realize culturing, transferring to a culture medium containing 0.7molL<-1> of sucrose and 0.5-5mgL<-1> of abscisic acid to realize preculture, stripping the stem tip, pre-culturing in an MS solid culture medium containing 0.4molL<-1> of sucrose and 2molL<-1> of glycerin, gently dipping in 2-4% calcium-free sodium alginate solution, putting on a loading strip, immersing in an MS liquid culture medium containing 0.1-0.3% of calcium chloride, 0.4molL<-1> of sucrose and 2molL<-1> of glycerin, immobilizing, sucking excessive liquid, treating in a pretreatment solution, transferring to a vitrification protective agent PVS2 to realize ice-bath treatment, and putting into liquid nitrogen to realize storage.The method has the advantages of simplicity, convenience and feasibility in storage, stability, reliability and favorable recovery growth conditions of stored wild rice.

The invention discloses a hybrid rice pre-harvest sprouting inhibitor, a preparation method thereof and a method for inhibiting hybrid rice pre-harvest sprouting, and the hybrid rice pre-harvest sprouting inhibitor takes water as a solvent and contains abscisic acid with the concentration of 20-60mg / kg, cyclohexylamine with the concentration of 40-160mM and eugenol with the concentration of 10-60mg / kg. The abscisic acid, the cyclohexylamine and the eugenol are combined, so that the sprouting rate of the hybrid rice is effectively reduced, the growth of harvested rice seed buds and roots and the dry weight are remarkably promoted, and the comprehensive quality is improved.

The invention relates to a treatment process method for wastewater from abscisic acid production. In the method provided by the invention, a high-concentration acidic extraction wastewater toxicity removing method and a multistage counter flow load control biological method are combined, a UASB (upflow anaerobic sludge blanket) anaerobic treatment section and a concentration gradient water distribution section are added, and three-grade sludge return three-stage clean water (treated water) is adopted to recycle and treat mixed wastewater which is generated during abscisic acid production, has high concentration (CODcr>100,000 mg / L) and high impact load, and contains refractory large molecules according to the pollution concentration change (pollutant load gradient and change). The treatment process method is high in impact load resisting capability and can be used for solving the difficulty in the treatment of ultrahigh-concentration wastewater from biological fermentation in China; and the wastewater effluent can reach the first-class standard of GB8978-1996.

The invention provides an anti-abiotic-stress transcription factor PbrbHLH92 and belongs to the technical field of plant genetic engineering. The nucleotide sequence of the anti-abiotic-stress transcription factor PbrbHLH92 is as shown in SEQ ID No. 1. The transcription factor PbrbHLH92 capable of increasing plant abiotic stress resistance is screened from Pyrus betulaefolia, and protein encoded by the transcription factor PbrbHLH92 belongs to nucleoprotein. Experiments show that the anti-abiotic-stress transcription factor PbrbHLH92 plays an important role in plant drought and salt stress resistance, can increase plant sensitivity to abscisic acid and plays an important role in various abiotic stress resisting. The anti-abiotic-stress transcription factor PbrbHLH92 is transferred into tobacco or Pyrus betulaefolia, the active oxygen eliminating ability of the obtained transgenic tobacco or Pyrus betulaefolia can be effectively enhanced as compared with that of wild tobacco or Pyrus betulaefolia, and the drought resistance of the transgenic tobacco is increased effectively.

The invention relates to a rubber tree cold-resistant agent and application thereof. Active ingredients of the rubber tree cold-resistant agent include chitosan and dithiocar-bamate; and furthermore, the active ingredients of the rubber tree cold-resistant agent also include abscisic acid and cytokinin. Leaves and branches of rubber tree budlings and coppice shoots are sprayed in advance, so that the cold resistance of the rubber tree budlings and coppice shoots can be improved; and in the recovery processing for cutting plane chilling damage, cambiums and phloem can be recovered within six months after the novel rubber tree chilling damage cutting plane cold-proof recovery agent is sprayed. The rubber tree cold-resistant agent disclosed by the invention has the characteristics of being low in cost, simple to prepare, easy to operate and high in efficiency, and saving labor, and can be popularized and applied in rubber tree rubber yards.

The invention relates to an abscisic acid additive agent accelerating compost maturity and application method thereof and application thereof. Abscisic acid is an anti-inverse induction factor of plants, thus the abscisic acid is called stress hormone of the plants, but application of the abscisic acid to the compost field is few in report. The abscisic acid, stabilizer, bactericide and water are mixed to prepare abscisic acid additive agents which accelerate compost maturity can are applied to the compost field. According to dry weight of compost raw materials, one in ten million, or one in hundred thousand of pure abscisic acid is added to compost. The compost raw materials coordinates with urban swilling, livestock and poultry excrement or chemical nitrogenous fertilizer, and carbon (C) / nitrogen (N) ratio of the compost raw materials and water are adjusted. The abscisic acid additive agent can induce increasing of catalase, superoxide dismutase, ascorbic acid peroxidase and other active materials, improves capability of eliminating reactive oxygen species (ROS), improves anaerobic-resisting capability of microorganisms, enables microbial community involved in compost to keep alive under the anaerobic environment without stack turning, and finishes the composting process in high temperature.

The invention discloses a DNA fragment separating colony of rice etiological agent special induced promoter POsDR3, functional checking and appliance in plant gene engineering technical domain, which is characterized by the following: generating specific answer reaction for invading rice of pathogenic bacteria; developing answer reaction for inducement of diverse hormones (abscisic acid, ethene, activol) and chemical signal molecule (jasmine acid, salicylic acid); quick-intensifying expression of POsDR3 promoter controlling gene with pathogenic bacteria invasion and chemical signal molecular treatment. The POsDR3 promoter can intensify resistance of rice, which does not make rice generate excess protein.

The invention discloses an application of abscisic acid in promoting spore production of arbuscular mycorrhizal fungi. According to the invention, abscisic acid is added into spores of the arbuscularmycorrhizal fungi, the abscisic acid can directly act on the spores of the arbuscular mycorrhizal fungi, the spore yield of the arbuscular mycorrhizal fungi is remarkably improved, and the spore yieldof the arbuscular mycorrhizal fungi under a symbiotic condition can also be remarkably improved by adding the abscisic acid. The abscisic acid can be widely used for promoting spore production of thearbuscular mycorrhizal fungi. The invention further provides a preparation and a method for promoting spore production of the arbuscular mycorrhizal fungi. According to the method, the arbuscular mycorrhizal fungi can be propagated under an aseptic condition, the propagation efficiency is high, the sporulation quantity of the arbuscular mycorrhizal fungi can be remarkably increased, and the method is easy and convenient to operate, low in cost and short in period and has wide application and popularization prospects.

The invention discloses a crop physiology resistance inducer and a preparation method. The crop physiology resistance inducer is prepared from nano SiO2, nano CaCO3, heteroauxin, abscisic acid, humic acid, monopotassium phosphate and distilled water according to certain ratio. The preparation method comprises the following steps: (1) taking nano SiO2, nano CaCO3, heteroauxin, abscisic acid, humic acid, monopotassium phosphate and distilled water for standby application; (2) weighing the raw materials respectively according to the mass percent of the preparation amount, dissolving nano SiO2 and nano CaCO3 with ethyl alcohol respectively, mixing the solutions, after certain period of time, adding heteroauxin and abscisic acid, adding distilled water for dissolution, uniformly stirring, performing ultrasonic treatment, adding humic acid and monopotassium phosphate, adjusting the pH value with hydrochloric acid, and adding distilled water for constant volume to obtain the crop physiology resistance inducer. According to the invention, the formula is reasonable, the application is convenient, the resistance of crops to drought, low temperature, hard light and other adverse situations can be effectively induced, and high and stable yield of the crops can be ensured; the preparation method is practical, simple and convenient to operate, stable in ingredient dispersion, ecological and environment-friendly, free of environmental pollution, and convenient to popularize and apply.

The invention discloses a method for improving seed germination capacity of water fennel, and relates to the field of agricultural plantation; the method is as follows: a large container is prepared, after water fennel seeds are washed and soaked for a period of time, the water fennel seeds are all fished out, and then put into auximone IBA for soaking for another period of time, before the water fennel seeds are planted, the water fennel seeds contain a large number of abscisic acid because the seeds are in a period of dormancy, by repeated soaking and washing with clear water, most of the abscisic acid in the seeds can be removed, the seeds is out of dormancy, and after soaking with the auximone IBA, the growth activity of the seeds can be further promoted, so that the seed germination capacity of the water fennel is improved, and the germination time is greatly shortened.

The invention discloses a high-temperature resistant rice plant growth regulator and a using method and application thereof, belonging to the field of promoting plant growth. The effective componentsof the regulator comprise abscisic acid and sucrose, and when in use, the concentration of the abscisic acid is 1-100 mu mol / L, and the sucrose accounts for 0.1-2.5% of the total mass of the regulator. According to the invention, based on the influence of the interaction of natural plant hormone abscisic acid and natural carbohydrate sucrose on the grain growth of rice after flowering, the optimalapplication concentration is screened, so that the high-temperature damage to the rice is remarkably reduced, the rice yield is remarkably increased, and the rice quality is remarkably improved.

The invention relates to calcic growth regulator used for seeding transplantation in a saline area. The calcic growth regulator comprises a root-irrigation agent and a spraying agent. The root-irrigation agent comprises the components of naphthylacetic acid, indolebutyric acid, Ca(NO3)2 and zeatin. The spraying agent comprises the components of abscisic acid, urea and KH2PO4. The calcic regulator is used for the seedling transplantation in the coastal saline area, and can obviously improve a seedling survival rate. A result of a transplanting experiment implemented on pruns x cistenenas and Chinese ashes in the Tianjin Binhai New Area Taida Plant Resource Library from May to December in 2012 shows that the calcic growth regulator can improve the survival rate of the pruns x cistenenas from 12% to 90% and can improve the survival rate of the Chinese ash trees from 50% to 90%, the content of physiological active calcium, the content of chlorophyll and the content of soluble sugar in a plant body are improved obviously, and the content of malonaldehyde is lowered significantly.

The invention belongs to the field of agricultural seedlings and particularly relates to a strawberry cuttage seedling-raising method. The method includes the steps that young seedlings to be subjected to cottage are immersed in a diluted abscisic acid ethanol solution, then placed in a vacuum freeze drier to be treated and then placed in an activating box for activating treatment, and then attapulgite, organic soil and Chinaberry seed extracts are mixed uniformly; after a sodium carboxymethylcellulose water solution is added and blended, the mixture serves as a wrapping material to wrap the outer layers of the young seedlings to be subjected to cottage; and then the seedlings are placed into a accelerating germination room for accelerating germination. The young seedlings to be subjected to cottage and treated through the method are high in germination rate and extremely low in disease occurrence rate after being transplanted in the field.

The invention discloses an abscisic acid nano-emulsion and a preparation method of the abscisic acid nano-emulsion. The abscisic acid nano-emulsion has the formulation: 25-70% of abscisic acid oil phase with the volume ratio of 1: 1-1: 9, 0.6-2.4% of polyvinyl alcohol water phase and 0.1-1% of stabilizer, wherein the abscisic acid oil phase contains 0.1-2% of emulsifying agent. The abscisic acid nano-emulsion is simple in preparation operation and capable of building an oil-in-water nano emulsion system by an ultrasonic treatment method; the obtained abscisic acid oil drops are small in particle size, even in particles and high in encapsulation rate; and the abscisic acid nano-emulsion effectively improves the stability of abscisic acid, an has slow release function, thus having higher application value.

The invention relates to a spiraea florescence control method, and belongs to the technical field of agriculture. The method comprises the following steps that S1) spiraea is planted in a greenhouse,and fertilized with phosphorus potassium from May to July each year in the amount of 5 to 10 kg per mu; S2) from September to October each year, the water content of soil in the greenhouse is controlled within 55-75%, and the greenhouse is sealed after water control; S3) leaves of the spiraea is sprayed with an ethephon solution and an abscisic acid solution till liquid is dropped from the leaves,and the greenhouse is closed for 7 to 10 days; S4) the greenhouse is opened for ventilation, through watering is carried out 1-2 days later, and a gibberellin solution is sprayed in the amount of 10-20L / mu; and S5) the temperature in the greenhouse is kept between 18 and 26 DEG C, and flowering is realized after 50-70 days. Thus, the spiraea can be flowered in advance, the florescence is prolonged, the quality and ornamental value of the spiraea are both improved, and the labor intensity is reduced.