55 results about "Propanil" patented technology

The invention is applicable to the technical field of bioengineering, and provides a coding gene for enhancing iron deficiency stress tolerance of plants and application. According to the soybean GmMYB14 transcription factor disclosed by the invention, the problem that the growth of soybeans is limited in an iron-deficient environment, particularly calcareous soil and soda saline alkali soil, is solved by excavating and applying the encoding gene (the nucleotide sequence is shown as SEQ ID No.1) of the soybean GmMYB14 transcription factor. Experiments prove that after the gene is over-expressed in arabidopsis thaliana and soybean, the tolerance of plants to iron deficiency stress can be remarkably enhanced. The invention provides a key gene resource for molecular breeding: the GmMYB14 effectively promotes the absorption and utilization of plants on iron by regulating and controlling the metabolic pathway of phenylpropane, not only can improve the planting adaptability of soybeans in low-iron soil, but also can improve the yield and quality of the soybeans, provides powerful technical support for enlarging the planting area of the soybeans in iron-deficient soil regions, and has a wide application prospect. The method is of great significance in relieving insufficient soybean productivity in China and improving the self-sufficiency rate.

The invention discloses a weeding composition and a preparation method thereof. The weeding composition comprises the following components in percentage by weight: 10-30% of propanil, 0.6-6% of fenquantel, 0.2-2% of cyclopropanesulfonamide, 2-6% of a stabilizer, 3-8% of a dispersing agent, 3-5% of an anti-freezing agent, 0.1-0.3% of a defoaming agent, 0.1-1% of a thickening agent and the balance of water. Wherein the ratio of propanil to fenquantel to the stabilizer is 5: (0.1-1): 1. The weeding composition provided by the invention can effectively prevent and remove annual weeds in paddy fields, is safe to paddy rice and high in preparation stability, has very high market value, and solves the problems of poor safety, environmental harm and the like in the process of preventing and removing annual weeds in paddy fields by using the existing medicament.

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.

The invention relates to a novel spirocyclopropane tetronic acid derivative with insecticidal and acaricidal activity as well as preparation and application of the novel spirocyclopropane tetronic acid derivative. Specifically, the invention provides a compound as shown in a formula (I), and an optical isomer, a cis-trans isomer or a pharmaceutically acceptable salt thereof. The compound disclosed by the invention has obvious insecticidal and acaricidal activity, and can be used for developing novel crop insecticidal and acaricidal agents which are low in toxicity, efficient and environment-friendly. # imgabs0 #

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 discloses a tobacco growth-promoting, drought-resisting and drought-enduring strain and application thereof, the growth-promoting, drought-resisting and drought-enduring strain Kluyvera intermedia and Pseudomonas lini are screened from tobacco field soil in an arid region by adopting a gradual screening strategy, and the tobacco growth-promoting, drought-resisting and drought-enduring strain has the advantages that the phosphorus dissolving capacity is strong, the yield is high, and the yield is high. And the strain has the advantage of high capability of producing indoleacetic acid, siderophore and 1-aminocyclopropane-1-carboxylic acid deaminase. In the tobacco planting process, a microbial composition containing Kluyvera intermedia and / or Pseudomonas lini is applied, so that the agronomic traits of tobacco are remarkably influenced, the growth-promoting and drought-resisting capabilities of the tobacco are remarkably improved, for example, the plant height, the stem diameter and the leaf area are increased, the biomass is increased, and the growth-promoting and drought-resisting capabilities of the tobacco are also improved. Meanwhile, the drought tolerance of the tobacco, such as the osmotic stress resistance, is remarkably enhanced, the yield and the output value of the tobacco in a drought environment are favorably improved, and the method has wide application potential in drought and semi-drought tobacco planting areas.

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.

The invention belongs to the technical field of perfume extraction, and particularly relates to a method for subcritical extraction of spearmint essential oil and application of the spearmint essential oil, the extraction method comprises the following steps: drying spearmint whole herb, crushing, adding spearmint whole herb powder into a subcritical extraction tank, using propane as an extraction agent, and collecting subcritical extraction fluid; adding the collected subcritical extraction fluid into an evaporation tank, and carrying out reduced pressure evaporation to obtain spearmint extract; and carrying out molecular distillation on the obtained spearmint extract, and collecting light components to obtain the spearmint essential oil. The subcritically extracted spearmint essential oil is purified by adopting a molecular distillation method, component separation of the spearmint essential oil can be realized at a relatively low temperature, and high-purity and high-quality spearmint essential oil is obtained while natural aroma components of the spearmint essential oil are reserved.

The application provides a resistant sanitary pest control composition containing indoxacarb and application thereof, relates to the technical field of resistant sanitary pest control, and more specifically, the resistant sanitary pest control composition is composed of active ingredient A, active ingredient B, a carrier, and adjuvants, wherein the active ingredient A is indoxacarb; the active ingredient B is R-tetrafluorobenzyl cyclopropane carboxylate pyrethroid, compared with the prior art, the application is synergistic through compounding, reduces resistance, improves the control effect on sanitary pests, especially resistant dipteran sanitary pests such as mosquitoes and flies, reduces the drug dosage, reduces the use frequency, and reduces the drug cost.

The invention relates to the technical field of agricultural fertilizers, in particular to a fertilizer, a preparation method thereof and application of the fertilizer to improvement of tomato fruit quality. The fertilizer is prepared from 5 percent to 15 percent (v / v) of fish protein hydrolysate, 0.05 to 0.2 mmol / L of 1-aminocyclopropane-1-carboxylic acid and water. The preparation method of the fertilizer comprises the following steps: mixing the fish protein hydrolysate (the amino acid content is greater than or equal to 100g / L) with water in proportion, adding the ACC, stirring until the ACC is completely dissolved, sequentially adding the trace element compound and the seaweed extract, adding the environment-friendly surfactant, adjusting the pH value to 6.0-6.5, and uniformly mixing to obtain the fertilizer. The fertilizer provided by the invention can be used for improving the tomato fruit quality, and after the fertilizer is applied, the tomato yield can be increased by 15-25%, the fruit sugar degree can be increased by 25.87%, the vitamin C content can be increased by 20-30%, and the shelf life can be prolonged by 2-3 days. The fertilizer is completely prepared from biodegradable components, is free of chemical synthesis hormone residues and is environment-friendly.

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 present invention relates to a fungicidal composition containing a melanin biosynthesis inhibitor; the present invention also relates to the use of the fungicidal composition in the control or prevention of plant pathogens infecting plants in the fields of agriculture, forestry or horticulture. The present invention provides a fungicidal composition containing a melanin biosynthesis inhibitor, the fungicidal composition comprising active ingredient A and active ingredient B, the active ingredient A being a compound of formula (I), the active ingredient B being a melanin biosynthesis inhibitor, and the melanin biosynthesis inhibitor being selected from any one of pyrimethamine, tricyclazole, cyproconazole and propanil. The fungicidal composition of the present invention exhibits excellent control effects on a variety of plant pathogens, and the control effect exhibits a synergistic effect under a certain mass ratio, which can effectively reduce the amount of medicine used, reduce agricultural input costs, and delay the drug resistance of plant pathogens.

In crop production in the fields of agriculture, horticulture and the like, the damage caused by insect pests etc. is still immense, and insect pests resistant to existing insecticides have emerged. The present invention has been made in view of such circumstances, and an object of the present invention is to develop and provide a novel agricultural or horticultural insecticide. Another object of the present invention is to provide an agent capable of eliminating ectoparasites or endoparasites of animals. These objects are achieved by a condensed heterocyclic compound having a substituted cyclopropane-oxadiazole group represented by the general formula (1):(wherein R1 preferably represents an alkyl group, R2a and R2b each preferably represent a hydrogen atom, R3 preferably represents a haloalkyl group, and Q is preferably imidazo[4,5-b]pyridine) or a salt thereof, an agricultural or horticultural insecticide or an animal ectoparasite or endoparasite control agent each comprising the compound or the salt thereof as an active ingredient, and a method for using the compound or the salt thereof, the insecticide, or the control agent.

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 application discloses a postharvest citrus biological preservative and a preservation method and application thereof. The preservative comprises, in terms of volume percentage, 40-100% of lysobacter enzymogenes LE16 autolysis fermentation liquor, 0-60% of propanil and 0.1-0.2% of Tween 80. The application further provides application and a method of the preservative in citrus biological preservation. The biological preservative is mainly the metabolic product of lysobacter enzymogenes LE16, has obvious biocontrol effect on green mold and green rot, reduces the rot rate of citrus fruits in the preservation process, and does not affect the fruit quality. The autolysis fermentation liquor is safe, non-toxic, environment-friendly, convenient to produce and can be applied on a large scale. In cooperation with chemical pesticides, the application can greatly reduce the pesticide application amount and pesticide residues under the condition of obtaining the same control effect, and has potential application value in postharvest citrus preservation.

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 plant growth regulators, and particularly relates to a medicament and a method for promoting litchi flowering. The invention provides a medicament for promoting litchi to flower. The medicament is prepared from ethephon, paclobutrazol, zeatin, trans-zeatin, 1-aminocyclopropane carboxylic acid, indole-3-methyl acetate and N6-isopentene adenine. The zeatin, the trans-zeatin, the 1-aminocyclopropanecarboxylic acid, the indole-3-methyl acetate and the N6-isopenteneadenine in the insecticide are all beneficial to formation and differentiation of litchi flower buds, and the ethephon and the paclobutrazol have a plant shoot control effect. Results of the embodiment show that the agent can improve the white point emergence rate and the flowering rate of the litchis, and the problem that the yield of the litchis exceeds the year is fundamentally solved. The agent provided by the invention can improve the flowering rate of litchi trees, is safer and more efficient, and can save the labor cost at the same time.

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;