36 results about "Propanil" patented technology

The invention relates to the technical field of polymer composite materials, and provides a composite water-retaining agent based on charcoal and bentonite as well as a preparation method and application of the composite water-retaining agent. The composite water-retaining agent provided by the invention is prepared from the following raw materials: acrylic acid, 2-acrylamido-2-methyl-1-propanesulfonic acid, acrylamide, sodium hydroxide, N, N '-methylene bisacrylamide, ammonium persulfate, modified bentonite and corn straw biochar. The composite water-retaining agent provided by the invention has excellent salt resistance, water holding capacity and structural stability, and the water absorbency in pure water and a 0.9% NaCl solution respectively reaches 2547.30 g / g and 164.45 g / g; when the soil conditioner is applied to saline-alkali soil, the maximum water holding capacity of the soil can be remarkably improved. The preparation process is simple, the cost is low, and the method has important practical significance on promoting ecological environment restoration of the arid mining area and realizing coordinated development of mineral resource development and environmental protection.

Provided is a method for upgrading a bio-based material, the method including the steps of pre-treating bio-renewable oil(s) and / or fat(s) to provide a bio-based fresh feed material, hydrotreating the bio-based fresh feed material, followed by separation, to provide a bio-propane composition.

The invention provides a herbicide composition, a herbicide as well as a preparation method and application of the herbicide, and belongs to the technical field of agricultural herbicides. The composition provided by the invention comprises (1-hydroxypropane-1, 3-diyl) bis (methylphosphonic acid) and glufosinate-ammonium, and the weight ratio of the (1-hydroxypropane-1, 3-diyl) bis (methylphosphonic acid) to the glufosinate-ammonium is 20: 1-50: 1. The composition can be used for controlling weeds, especially weeds which have resistance to glufosinate-ammonium. The (1-hydroxypropane-1, 3-diyl) bis (methylphosphonic acid) and glufosinate-ammonium are compounded, a remarkable synergistic effect is shown, the prevention and treatment effect of glufosinate-ammonium is improved, the increasingly prominent resistance problem in use of a single glufosinate-ammonium agent can be effectively solved, and the weeding composition can be widely applied to the technical field of agricultural weeding.

This invention discloses a method for improving the resistance to postharvest black spot disease in sweet potato tubers and maintaining their quality, belonging to the field of postharvest preservation technology for agricultural products. The method includes: selecting undamaged sweet potato tubers for callus treatment at room temperature for 48 hours, disinfecting with 1% sodium hypochlorite, rinsing with sterile water and air-drying, then soaking them in a 9.0 mmol / L benzothiadiazole (BTH) solution (containing 0.05% Tween 80) at room temperature for 60 minutes, removing them and air-drying them to complete the treatment. This invention induces the activation of the sweet potato tuber's own defense system through BTH, increasing the activity of key enzymes in phenylpropane metabolism, chitinase and other disease-resistant enzymes, promoting the accumulation of total phenols and lignin, maintaining cell membrane integrity, inhibiting starch degradation and abnormal increase in soluble sugars. Under storage conditions of 28±1℃ and 80-85%RH, it can significantly inhibit the expansion of black spot disease lesions and extend the storage period to more than 25 days. This method has no pesticide residues, is unlikely to cause pathogen resistance, is environmentally friendly, simple to operate, and cost-controllable, and is suitable for large-scale postharvest preservation of sweet potato tubers.

The invention provides a rapid synthesis method of propanil, and relates to the technical field of pesticide chemical industry. According to the synthetic method, an organic solvent and a catalyst do not need to be additionally added, and efficient reaction in a propionic acid system can be realized by controlling the technical scheme of adding propionic acid in batches; the reaction time of the system is shortened to be within 8 hours from general 30 hours under the condition of no additional organic solvent or catalyst, and economic, green and efficient industrial production of propanil is realized.

The application discloses a preparation method of a cyclopropane compound and application of the cyclopropane compound in nematode killing activity. The application uses an electrochemical method to quickly cyclopropanate a methylene compound by using a cheap and easily available sulfide. The synthesis method is simple, clean, efficient, short in reaction time, low in energy consumption, and cheap and easily available in raw materials, and is suitable for mass production and better research. Through activity testing, the cyclopropane compound has strong activity against pine wood nematode disease, and relevant research provides a good basis for strong biological activity, anticancer activity, antibacterial activity and anti-inflammatory activity.

The application belongs to the technical field of bioengineering, and provides an encoding gene for enhancing the tolerance of plants to iron deficiency stress and application thereof. The application solves the problem that soybeans are restricted in growth in an iron deficiency environment, especially in calcareous soil and soda saline-alkali soil, by mining and applying the encoding gene (nucleotide sequence as shown in SEQ ID No. 1) of a soybean GmMYB14 transcription factor. Experiments prove that the gene can significantly enhance the tolerance of plants to iron deficiency stress after overexpression in Arabidopsis thaliana and soybeans. The application provides a key gene resource for molecular breeding: GmMYB14 effectively promotes the absorption and utilization of iron in plants by regulating the phenylpropanoid metabolic pathway, which not only can improve the planting adaptability of soybeans in low-iron soil, but also can improve the yield and quality of soybeans, thereby providing strong technical support for expanding the planting area of soybeans in iron deficiency soil areas, and having important significance for relieving the insufficient production capacity of soybeans in China and improving the self-sufficiency rate.

The application discloses a pesticide detection method for rice based on QuEChERS and ultraviolet-visible spectrophotometry, and takes three pesticides, i.e., bensulfuron-methyl, propanil and cypermethrin, as examples to carry out research on a rapid screening method for multiple pesticide residues in rice. The improved QuEChERS method is used to process rice to obtain a matrix liquid, matrix standard solution and solvent standard solution are prepared, the quantitative linear range of each pesticide and the matrix effect are obtained. In the quantitative concentration range, mixed solutions of the three pesticides in four combinations are prepared, the types of the pesticides in the rice are determined through support vector machine qualitative analysis, and the concentrations of the pesticides are predicted through partial least squares regression analysis, so that the pesticide residues in the rice can be effectively and rapidly detected.

The invention relates to a compound with a cyclopropane carboxylic acid pyrazole ester structure and application thereof, and belongs to the technical field of pesticides. The structure of the compound is shown in the specification. The invention further provides application of the compound shown in the formula I in prevention and control of agricultural pests. The compound represented by the formula I provided by the invention shows an excellent effect on various pests, especially on prevention or control of pests such as aleyrodidae, aphididae, tetranychidae and glophidae, and the compound has low toxicity.

The invention provides application of a TaPAL8 gene in positive regulation of phenolic acid content of wheat, and belongs to the technical field of gene engineering. Wide targeted metabolome detection is carried out on wheat whole growth period materials by utilizing an HPLC-MS / MS technology, specific accumulation of various phenolic acids in stalks is highly related to expression of multiple phenylpropane pathway genes, one gene is annotated as phenylalanine ammonialyase, the gene number is TraesCS6D01G212200, and the gene is named as TaPAL8. According to the embodiment of the invention, the gene TaPAL8 is transformed into a wheat variety Fielder to obtain a transformed plant with overexpression TaPAL8, and in the overexpression mutant, the content of various acyl modified quinic acid substances in stalks and grouted grains is remarkably increased.

Provided are methods for extracting corn oil from corn kernels using an extraction solvent, e.g., pressurized propane. In embodiments, such a method comprises exposing corn kernels to pressurized propane to extract corn oil from the corn kernels in a stirred tank extractor comprising an impeller, thereby providing an extraction mixture comprising extracted corn oil, pressurized propane, and processed corn kernels; and separating the extracted corn oil from the extraction mixture, thereby providing separated corn oil.

The invention discloses a hymexazol and sodium trichloroisocyanurate compounded bactericidal composition, which takes hymexazol and sodium trichloroisocyanurate as main active ingredients, and the mass ratio of hymexazol to sodium trichloroisocyanurate is (1: 1)-(200: 1); the bactericidal composition further comprises 1, 3-propane sultone; the ratio of the total amount of hymexazol and sodium trichloroisocyanurate to the mass of 1, 3-propane sultone is (30: 1)-(90: 1). The invention also discloses application of the bactericidal composition in prevention and treatment of downy mildew, fusarium wilt, damping off and black spot of plants. Compared with a single agent of hymexazol, the bactericidal composition provided by the invention can improve the problem that hymexazol is easy to generate resistance, and widens the application range of the agent. The bactericide composition can replace some high-toxicity bactericides, the dosage is reduced, the environment is protected, and meanwhile pesticide residues are reduced. According to the invention, 1, 3-propane sultone is used as a synergist, so that the pesticide effect is enhanced.

The application belongs to the technical field of field weed control, and particularly relates to application of plant source active substance homoharringtonine in weed control. Research finds that homoharringtonine has the effect of inhibiting the bud length and root length of barnyard grass, cyperus difformis and bidens pilosa. The inhibiting effect of homoharringtonine on the bud length and root length of barnyard grass is the most obvious, and the inhibiting effect of homoharringtonine on the bud length and root length of cyperus difformis and bidens pilosa is slightly weaker than that on barnyard grass, but is better than that of the control agent propanil. The application of homoharringtonine in weed control provides a new solution for green treatment of field weeds and realization of sustainable development of agriculture.

The application belongs to the field of agriculture and particularly relates to a herbicidal composition containing fenoxaprop-P-ethyl, propanil and isoxaben and application thereof; the mass ratio of fenoxaprop-P-ethyl, propanil and isoxaben in the herbicidal composition is 0.5-3:35-45:2-8. The herbicidal composition has a significant synergistic effect, can effectively reduce the use dosage of active ingredients, slow down the generation of drug resistance, and the prepared preparation has excellent control effect on weeds in rice fields.

The invention provides bacillus mojavensis and application thereof. The bacillus mojavensis is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO. 35674. The bacillus mojavensis has the advantages that the bacillus mojavensis can be used as a bacillus mojavensis strain; the bacillus mojavensis has multiple biological activities: on one hand, phosphorus-solubilizing related metabolites, potassium-solubilizing related metabolites, siderophores and indoleacetic acid can be generated, and meanwhile, the bacillus mojavensis has the activity of 1-aminocyclopropane-1-carboxylic acid deaminase, so that the growth of seedlings of crops such as jujubes, cucumbers and the like can be remarkably promoted; and on the other hand, the strain has broad-spectrum bacteriostatic activity on 16 pathogenic fungi such as jujube fruit black skin pathogen and cucumber root rot pathogen, has excellent prevention and control effects on jujube black skin disease and cucumber root rot, and can effectively regulate and control a cucumber rhizosphere micro-ecological structure and improve crop disease resistance. Besides, the JZBQ1 strain also has remarkable salt-tolerant and drought-resistant characteristics, can stably play the roles of disease prevention, growth promotion and yield increase under complex cultivation conditions such as conventional cultivated land, saline-alkali soil and drought, and has huge application potential. The invention provides a new strain resource for development and application of an efficient biocontrol inoculant, and has important significance for promoting green development of fruits and vegetables and reducing dependence on chemical pesticides.

The invention discloses a saline-alkali soil conditioner and a preparation method thereof, relates to the technical field of soil improvement, and belongs to the patent classification number C09K17 / 00. The method comprises the following steps: by taking corn straw as a raw material, firstly carrying out alkalization and phosphorylation pretreatment, and then carrying out graft copolymerization with 2-acrylamido-2-methylpropanesulfonic acid to form an organic core; then, through loading of a magnesium-aluminum precursor and hydrothermal reaction, in-situ growth of a layered double-metal hydroxide shell layer on the surface of the inner core is carried out, and a core-shell structure is formed; and finally, carrying out surface crosslinking coating on potassium humate and calcium chloride, and carrying out spray granulation to obtain the modifier. The product has a core-shell structure, can efficiently adsorb salt, and has a good soil improvement effect.

The invention belongs to the technical field of agriculture, and particularly relates to a soilless culture method for improving pepper quality. The method comprises the steps of seed treatment, seedling raising, field planting, special nutrient solution supply and the like. The method is characterized in that the special nutrient solution is prepared by the following steps: reacting L-phenylalanine and sinapic acid under the catalysis of laccase to generate a quinone polymer reaction solution, and compounding the reaction solution with a mixed solution prepared from macroelements and trace elements such as calcium nitrate and ammonium dihydrogen phosphate to finally obtain the special nutrient solution. The quinone polymer generated by the enzymatic reaction can be efficiently absorbed by the root system of the pepper and is used as a signal molecule to activate the metabolic pathway of phenylpropane, so that the content of core quality indexes such as capsaicin, vitamin C and soluble sugar in the fruit is remarkably increased while the normal growth of the pepper is ensured, and the yield of the fruit is improved. The problem of insufficient chili flavor and nutrition of a conventional soilless culture technology is solved.

The invention discloses a weeding compound and application thereof, and belongs to the field of pesticides. The weeding compound is formed by compounding three herbicides, namely pyribenzoxim, halauxifen-methyl and propanil. According to the weeding compound containing the pyribenzoxim, the halauxifen-methyl and the propanil, through the combined action of the pyribenzoxim, the halauxifen-methyl and the propanil, the compound herbicide has a good weeding effect and has good social and ecological benefits.

DEPCT68 A novel herbicide component. This invention concerns a novel type of herbicide compound, specifically... This invention involves a synergistic herbicide formulation containing propanil, 2,4-dichloride. Rophenoxyacetic acid or its salt, bispyribac sodium, in effective synergistic amounts;

This invention provides an application of 1-aminocyclopropane-1-carboxylic acid as an antibacterial agent. 1-Aminocyclopropane-1-carboxylic acid is a non-protein amino acid. Through plate and tube antibacterial experiments and plant pathogenicity experiments, this invention discovered a new use for 1-aminocyclopropane-1-carboxylic acid: it exhibits inhibitory effects on microorganisms, including *Escherichia coli*, *Burkholderia gladioli*, *Corynebacterium tarda*, *Corynebacterium glutamicum*, and *Saccharomyces cerevisiae*. 1-Aminocyclopropane-1-carboxylic acid significantly inhibits the pathogenicity of *Burkholderia gladioli* HDXY-02 to plants. Therefore, 1-aminocyclopropane-1-carboxylic acid can be used in agriculture as a seed treatment agent at a concentration of 0.1%–1% (w / w); or as an agricultural antibacterial agent at a spray concentration of 0.1%–1% (w / w).

The present invention provides an agricultural composition comprising a reaction product of (a) a maleated natural oil having a maleated functional group and (b) a base. The present invention also provides an agricultural composition comprising a reaction product of (a) a maleated natural oil having a maleated functional group, (b) a base, and (c) a functionalized or non-functionalized moiety selected from the group consisting of hydrophobic moieties, hydrophilic moieties, and combinations thereof. Furthermore, the present invention is a reaction product of (a) a maleated natural oil having a maleated functional group, (b) a functionalized or non-functionalized moiety selected from the group consisting of hydrophobic moieties, hydrophilic moieties, and combinations thereof, and (c) a base, having Structure (I) or (II) 【Chemical A】 JPEG2026518127000102.jpg57127 and 1 < n < 30, wherein R is one or more hydrophilic or hydrophobic moieties selected from the group consisting of unsubstituted or substituted alkyl, cycloalkyl, alkenyl, aryl, and alkaryl moieties containing from about 1 to about 36 carbon atoms, with or without heteroatoms, and R 4 is one or more hydrophilic or hydrophobic moieties selected from the group consisting of unsubstituted or substituted alkylene, cycloalkylene, alkenylene, arylene, and alkarylene moieties containing from about 2 to about 60 carbon atoms, with or without heteroatoms, and each Q is independently selected from the group consisting of H, Li, Na, K, Rb, Cs, Fr, 1 / 2Mg, 1 / 2Ca, 1 / 2Co, 1 / 2Cu, 1 / 2Zn, ammonium, alkylammonium, dialkylammonium, trialkylammonium, and tetraalkylammonium.

The application discloses a method for promoting accumulation of medicinal ingredients of Schisandra chinensis, a cultivation substrate and application thereof, and belongs to the technical field of medicinal plant cultivation. The cultivation substrate comprises perlite, peat and tree bark powder. In the cultivation substrate, the volume fraction of the perlite is 20%-40%, and the volume ratio of the peat to the tree bark powder is (1-2):(2-1). The application activates phenylpropanoid-lignan synthesis metabolism and promotes accumulation of medicinal ingredients of Schisandra chinensis by compounding the peat, the tree bark powder and the perlite according to a specific volume ratio without external addition. The optimized ratio improves the content of lignan precursors, enhances the antioxidant enzyme activity and reduces the active oxygen level, solves the problems of high cost and complex operation in the prior art, and realizes green and efficient directional cultivation.

The invention discloses an early sowing cultivation method for improving sorghum quality and meeting the brewing requirement of Maotai-flavor liquor in the southwest region, and belongs to the technical field of crop cultivation and brewing raw material quality improvement. According to the application, the sowing time of the sorghum is 15-30 days earlier than the local conventional sowing time (March 20th-April 10th), so that the whole growth period of the sorghum is in a composite environment of lower average temperature and longer illumination, and seedling-stage cold-resistant and drought-resistant cultivation measures are implemented in a matched manner. The method is simple and easy to implement, grain quality is directionally optimized from the angle of growth environment regulation and control, sudden rise of spring temperature is avoided in the filling period, amylose synthase is inhibited, and amylopectin accumulation is promoted; starch polymerization is slowed down at low temperature, and photosynthetic product accumulation is assisted by long-time illumination, so that starch particles are loosened, gelatinization viscosity is reduced, and multiple rounds of fermentation are adapted. Meanwhile, metabolism of phenylpropane is activated through long-time illumination, synthesis of polyphenol such as tannin is promoted, the brewing quality is improved, and application prospects are achieved.

The application provides a reducing heat-generating material for a propane dehydrogenation process and a synthesis method and application thereof, and belongs to the technical field of functional materials. The application comprises the following steps: mixing an aluminum source, a rare earth source, alpha-Al2O3 seeds and deionized water, and obtaining a porous carrier material after reaction, aging and calcination; loading a copper source on the porous carrier material, and obtaining the reducing heat-generating material for the propane dehydrogenation process after calcination. The application loads a copper-based active component on a porous alumina carrier doped with rare earth, and prepares a composite functional material with high reduction activity and high heat generation efficiency, so that the material can spontaneously release reaction heat to realize self-heat supply in the reduction stage of the dehydrogenation process. The material can maintain the reduction reaction temperature without additional heat supply, effectively reduces the energy consumption of the dehydrogenation process, and the rare earth doping can inhibit the sintering of the active component and improve the service life of the material in circulation.

The invention relates to the technical field of plant genetic engineering, in particular to a method for increasing the yield of rice by using a rice OsACO3 gene and application of the method. The rice 1-aminocyclopropane-1-carboxylate oxidase 3 gene (OsACO3) is knocked out in the rice body, and it is found that after the rice 1-aminocyclopropane-1-carboxylate oxidase 3 gene (OsACO3) is knocked out in the rice body, the number of primary branches, the number of secondary branches and the number of grains per panicle of the rice are remarkably increased, and the average yield of a single plant of rice is increased by 35%; the OsACO3 gene is overexpressed, so that the yield of the rice is obviously reduced. Therefore, the invention proves that the gene can clearly regulate and control the yield of the rice. Therefore, the OsACO3 gene provides a powerful means and tool for molecular marker-assisted breeding and cultivation of a new high-yield rice variety by using a genetic engineering method, and has huge application potential.

The application relates to a water treatment nutrient slow-release block and a preparation method thereof, which comprises a nutrient substance and a coupling agent, wherein the nutrient substance comprises at least one of industrial organic matter, livestock and poultry manure and agricultural organic matter, and the coupling agent comprises at least one of polyethylene glycol, trimethylolpropane, chlorinated paraffin, castor oil and calcium oxide. The nutrient substance in the embodiment of the application is industrial organic matter, livestock and poultry manure and agricultural organic matter, which are common raw materials and are low in price. The nutrient substance is mixed with the coupling agent, calcium oxide generates calcium hydroxide when meeting water, and further reacts with carbon dioxide in the air to generate calcium carbonate, so that the nutrient substance is wrapped and connected as a whole, has certain mechanical strength, the release of the nutrient substance is slowed down, the release speed of the nutrient substance can be controlled, and the release time is prolonged. Moreover, the chlorinated paraffin further plays a certain shielding role, and further blocks the rapid release of the nutrient substance.

The application provides a compound composition of propane amidine and tetrafluorothiopheneazole, a fungicide and application; the composition comprises propane amidine and tetrafluorothiopheneazole, and the mass ratio of the two is (1-10):(10-1). The compound of propane amidine and tetrafluorothiopheneazole is used for preventing and treating corn large spot, fruit and vegetable and grain powdery mildew, botrytis blight, rice blast and various crop fungal diseases, has obvious synergistic effect, and can significantly reduce the use amount of the pesticide, and the compound preparation has the potential to develop into a new generation of environment-friendly, efficient and low-toxicity agricultural fungicide.

The present invention provides crystalline form B of propanil, a process for preparing an aqueous suspension concentrate (SC) composition comprising said polymorph B and a composition prepared by said process, and methods for controlling weed.

The invention discloses a water-retaining agent for slow release of a fertilizer and a preparation method of the water-retaining agent, and relates to the technical field of biology. The method comprises the following steps: sequentially carrying out alkaline extraction and acidic extraction on wheat straw powder to obtain wheat straw cellulose; mixing the wheat straw cellulose with an alkaline compound and an acidic compound, and carrying out a first reaction to obtain a first intermediate product; mixing urea, glutaric anhydride and a second solvent, and carrying out a second reaction to obtain a second intermediate product; mixing the second intermediate product with trimethylolpropane triglycidyl ether, and carrying out a third reaction to obtain a third intermediate product; and mixing the third intermediate product, the first intermediate product and sodium alginate, and carrying out a fourth reaction to obtain the water-retaining agent for slow release of the fertilizer. The water-retaining agent for slow release of the fertilizer, which is prepared by the method provided by the invention, has excellent mechanical properties, water absorption and water retention functions and a nitrogen fertilizer slow release function, and has a wide application prospect in the field of agriculture.

The invention belongs to the field of synthesis of pesticide intermediates, and discloses a preparation method of 2-difluoromethoxy-4-heptafluoroisopropyl-6-bromoaniline. According to the method, o-nitrobromobenzene is taken as an initial raw material, heptafluoroisopropyl and difluoromethoxy functional groups are sequentially introduced through two steps of VNS reaction, and finally nitryl is reduced through iron powder catalyzed Beamp reaction, so that a target product is obtained. In the first step, the VNS reaction reacts with heptafluoropropane at-25 DEG C under the protection of nitrogen to generate an intermediate IM1, in the second step, the VNS reaction reacts with monochlorodifluoromethane at-50 DEG C to generate an intermediate IM2, and the reduction step is completed at 80-100 DEG C. Through an innovative two-step VNS reaction strategy, the technical bottlenecks of complex synthesis route and low yield in the prior art are solved, the process conditions are controllable, the raw materials are easy to obtain, high-risk reagents are not used, the method has industrial amplification potential, and a key guarantee is provided for large-scale production of polyflubendiamide efficient insecticides.