180 results about "Propanil" patented technology

The invention relates to heavy metal resistance plant growth-promoting bacteria and a preparation applying method thereof, which belongs to the bioremediation field of heavy metal polluted environment. A bacteria strain D54 with a preservation number of CGMCC No. 3223 belongs to the Burkholderia sp. and has higher resistance to a plurality of heavy metals, wherein the resistances to Pb <2+>, Cd <2+>, Cu <2+>, Zn <2+> respectively reach 800 mg/L, 1500 mg/L, 150 mg/L and 2500 mg/L. In addition, the bacteria strain D54 has the plant growth-promoting functions of producing plant growth hormone (IAA), producing 1-amino-1-carboxyl cyclopropane (ACC) deaminase, secreting siderophore, dissolving inorganic phosphate, fixing nitrogen and the like, has the biological prevention functions of antagonizing plant pathogenic bacteria inbreak and the like, and can obviously improve the biomass of the plants applied the invention and improve the resistance to diseases and stresses. The number of the effective viable bacteria in liquid preparation reaches 1-2 billion/ml and the number of the effective viable bacteria in solid preparation reaches 1 billion/g. Soaking seeds for 1-2 hours in the liquidpreparation which is diluted 100 times and irrigating the diluted liquid preparation 1-2 times (10ml/kg) after 2-3 weeks of the sprouting of the seeds can effectively improve plant viable bacteria infection probability.

The invention relates to application and preparation of bacillus amyloliquefaciens subsp. plantarum and a bacterial agent thereof. An XH-9 bacterial strain is identified as bacillus amyloliquefaciens subsp. plantarum according to mycelial morphology, colony characteristics, physiological and biochemical indexes and 16S rDNA sequence analysis and is preserved in the China General Microbiological Culture Collection Center, and a preservation number is CGMCC NO.13151. The strain is high in antagonistic effect on pathogenic fungi such as fusarium oxysporum, bipolaris sorokiniana, fusarium pseudograminearum, colletotrichum gloeosporioides, botryosphaeria dothidea and alternaria alternata and is capable of generating heteroauxin and 1-aminocyclopropanecarboxylic acid (ACC) deaminase to stimulate plant growth and capable of degrading celluloses and can be stably colonized at rhizospheres of crops such as wheat, corn, peppers and the like. The bacterial agent prepared from the bacterial strain can be applied to prevention and treatment of root rot diseases or other soil-borne fungal diseases of crops such as wheat, corn, peppers and the like and has dual functions of disease prevention and growth promotion. The bacterial agent is simple in preparation process, short in fermentation period, low in cost and beneficial to industrial production and transport.

The invention discloses a method for simultaneously measuring residual quantity of three types of herbicide in vega soil, belonging to the technical field of physicochemical detection of pesticide residue in vega soil. Specifically, acetonitrile is used for extraction, Florisil is carried out with solid phase extraction, a gas chromatograph is matched with an electron capture detector to directly measure the residual quantity of three types of herbicide, such as propanil, Rimsulfuron, quizalofop-p-ethyl and the like in vega soil. The invention overcomes the restriction of the defect and the condition of the prior art to optimize the pretreatment method and the instrument detection condition of vega soil samples. Compared with the prior art, the invention has the following favorable advantages that the invention can detect three types of herbicide all at once and has the advantages of simple pretreatment process, high detection sensitivity and good accuracy and reproducibility.

The invention provides a method for strengthening the abiotic environmental stress resistance of crops. The method comprises the steps of putting seedlings in a simulation pool of abiotic environmental stress; uniformly sprinkling a plant growth regulator solution containing 1-aminocyclopropane-1-carboxyl and methyl jasmonate at the same time onto the leaves of the seedlings, wherein the sprinkling amount is as the criterion when all the leaves are completely wetted by the growth regulation solution. The method is a growth regulation mode capable of obviously increasing the accumulation of nitric nitrogen at the roots of the crops, so that the abiotic environmental stress resistance of the crops is obviously improved, and the abiotic environmental stress resistance of the crops for heavy metal contamination and salt stress in a growing environment is strengthened.

The invention relates to a weeding composition containing Bispyribac-sodium and amide. The weeding composition is mainly characterized in that the weeding composition contains 1-50% of Bispyribac-sodium, 1-80% of amide, accessory ingredient and other excipients, wherein the amide is selected from acetochlor, butachlor, Pretilachlor and propanil, and the weeding composition can be prepared into wettable powder, water-dispersible granules, suspending agent, suspending emulsion, microemulsion and aqueous emulsion. The weeding composition provided by the invention can be used for preventing and controlling paddy field weeds.

The invention relates to a method for preparing a herbicide isoxaflutole intermediate, namely, 5-cyclopropyl-4-[2-methylthio-4-(trifluoromethyl)benzoyl] isoxazole. The method comprises the following steps: condensing 3-cyclopropyl-1-(2-methylthio-4-trifluoromethylphenyl)propyl-1,3-dione and triethyl orthoformate as starting materials to prepare 1-(4-trifluoromethyl-2-methylthio-phenyl)-3-cyclopropyl-2-ethoxymethylenepropane-1,3-dione (a compound II) and enabling the compound II to react with an aqueous solution of hydroxylamine hydrochloride and inorganic base in an organic solvent to prepare 5-cyclopropyl-4-[2-methylthio-4-(trifluoromethyl)benzoyl] isoxazole (a compound I). The total yield of two steps is greater than 90.0%, the content of 5-cyclopropyl-4-[2-methylthio-4-(trifluoromethyl)benzoyl] isoxazole is higher than the 98.0% and the content of impurity is less than 0.80%; and the preparation process has the advantages of simplicity in process, low cost, mild reaction conditions and less three wastes and is suitable for industrial production.

The invention discloses a bactericidal composition of propamidine and fluazinam. The bactericidal composition comprises commonly used auxiliary agents, propamidine and fluazinam. Mass part ratio of propamidine and fluazinam in the composition is 5:1-1:45, and preferably 3:1-1:25. When propamidine and fluazinam are compounded, a substantial synergetic effect is provided. Effective component dose of the compounded agent is substantially reduced than that of separate use. The composition provided by the invention is suitable to be used against crop gray mold caused by botrytis pathogen and crop stalk break casued by sclerotinia pathogen.

The invention discloses a propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid-containing pesticide composition and application thereof, and the pesticide composition comprises the active components of propanil, cyhalofop butyl and 2-methyl-4-chlorophenoxy acetic acid in the mass ratio of 50-350:2-20:1-150. The pesticide composition, showing obvious synergistic effect on the ratio range, reduces the pesticide dosage, reduces the pesticide dosing number, reduces the pesticide dosing cost, reduces the adverse effects of pesticides on ecological environment, expands the herbicidal spectrum, can solve various weed problems by one-time use, makes up the defects and limitations when using a single agent, extends the agent service life, has the vital significance to the comprehensive treatment of weed resistance, is fast in drug efficacy, long in period of preserving effect and low in use cost, and can be used to control gramineous weeds, broadleaf weeds and sedge weeds in rice fields.

This invention relates to a synergistic composition made of a herbicidally effective amount of a propanil-based product, such as Super Wham® (RICECO, Inc., Memphis, Tenn.) and the at least one ALS inhibitor herbicide such as Regiment® (Valent U.S.A. Corp. Walnut Creek, Calif.) in an amount sufficient to facilitate the herbicidal activity of the propanil-based herbicide. It has been found that this synergistic composition, when applied to a field of rice, allows a reduction in the amount of herbicide needed, greater flexibility in timing of the application and broad spectrum of weed control.

The invention relates to a paddy rice field weeding composition containing propanil and quinclorac. The composition is used for preventing and controlling annual grassy weed of a paddy rice field. According to the composition, a ratio range of parts by weight of propanil to quinclorac is (40 to 1) to (1 to 12). The composition has a remarkable synergistic effect on target weeds in the ratio range;the resistance of the target weeds on a compound is delayed, the safety of the compound on crops is improved and the yield of the crops is improved.

The invention discloses a method and a device for extracting cinnamaldehyde-rich composition from cinnamon leaves, and relates to the technical field of chemical extraction. The method comprises the following steps: washing, drying and crushing cinnamon leaves into fragments; pouring the cinnamon leaf fragments into the SPE extraction tank of a subcritical propane fluid extraction device, and carrying out subcritical propane fluid extraction; introducing the extracted fluid into an SPE separation tank; and removing propane in the SPE separation tank to obtain a cinnamaldehyde composition; performing supercritical fractionation on the cinnamaldehyde composition, wherein the supercritical fractionation hardware at least comprises an SFF extraction tank, a first SFF fractionation tank, a second SFF fractionation tank and a third SFF fractionation tank, the subcritical propane fluid extraction conditions are that the pressure of the SPE extraction tank is 30-55 bar, and the temperature is40-75 DEG C, the supercritical fractionation conditions are that the pressure of the SFF extraction tank is 75-350 bar, and the temperature is 32-100 DEG C, the pressure of the first SFF fractionationtank is 74-250 bar and the temperature is 32-100 DEG C, the pressure of the second SFF fractionation tank is 45-200 bar and the temperature is 32-100 DEG C, and the pressure of the third SFF fractionation tank is 40-150 bar and the temperature is 5-100 DEG C.

This invention provides a safe and high efficiency method for extracting bee pollen grease by using supercritical fluid. The method comprises: (1) adding bee pollen to an extractor, adding propane, butane or their mixture, and extracting under stirring; (2) removing the solvent from bee pollen and mixed oil, respectively; (3) recovering and recycling the solvents, and obtaining bee pollen and bee pollen grease. The method has such advantages as high efficiency, high extraction rate, short extraction time, low cost, low solvent consumption, and high product quality. The bee pollen grease can be used to treat cardiovascular diseases, inflammation and cancer, and can promote brain development.

The invention belongs to the technical field of agricultural chemicals and discloses a mixed herbicide containing cinosulfuron and propanil and an application thereof. The herbicide takes the cinosulfuron and the propanil as main active ingredients, the mass ratio of the cinosulfuron to the propanil is (0.1-80):(0.1-80), and the content in percentage by weight of the cinosulfuron and the propanil in the mixed herbicide is 1-85%. The mixed herbicide disclosed by the invention has significant effects in applications in post-emergence weeding of rice paddy fields, in particular to the applications in control of various grass family, sedge family and broadleaf weeds in the rice paddy fields. Compared with a single agent, the herbicide disclosed by the invention can delay weed resistance and realize the advantages of broad weed control spectrum, long lasting period and safety against rice and afterreap crops on the premise of improving efficacy.

The invention discloses a peony essential oil extraction method. The method comprises the following steps: 1, picking fresh peony flowers, loading the peony flowers while picking, and loading the peony flowers into a constant-temperature vehicle for transportation; 2, conveying the peony flowers into a pretreatment workshop, and removing pedicels, receptacles, stamens and pistils to obtain pure peony petals; 3, directly conveying the pure peony petals into an extraction tank without crushing, drying, grinding and other treatments, and carrying out extraction to obtain a peony flower extractionpaste; and 4, injecting the extraction paste into a distillation tank, and carrying out reduced pressure distillation to obtain peony flower essential oil. The fresh peony flowers which are just picked are used as the raw material, and low temperature is kept in the transportation process, so that the quality of the peony flowers is guaranteed before extraction, and the problems of excessive dehydration and deterioration of the peony flowers are avoided; butane or propane is used as a fluid, and anhydrous ethanol is used as an entrainer for extraction, so that the extraction efficiency and the oil yield are improved; and the anhydrous ethanol is used for reduced pressure distillation to well separate out the peony essential oil, and the anhydrous ethanol can be recycled to realize environmental protection and energy conservation.