1358results about "Nematocides" patented technology

The invention discloses bacillus velezensis GX0003742 and biocontrol application thereof, and belongs to the technical field of microorganism application. The invention discloses bacillus velezensis GX0003742 with a broad-spectrum bacteriostatic effect, which is preserved in the China General Microbiological Culture Collection Center, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is September 14, 2024, and the preservation number is CGMCC No.31981. The bacillus velezensis GX0003742 has the advantages that the bacillus velezensis GX0003742 can be used for preparing the bacillus velezensis GX0003742; the strain can obviously inhibit growth of colletotrichum basjoo mycelia and obviously reduce occurrence of postharvest diseases of bananas, has an inhibiting effect on various pathogenic bacteria, has a good insecticidal effect on auricular bean root-knot nematode, and provides a new strain resource for biological prevention and control of plant diseases.

The invention discloses an N-cyclobutyl substituted benzamide isoxazoline compound as well as a preparation method and application thereof. The N-cyclobutyl substituted benzamide isoxazoline compound has broad-spectrum and efficient insecticidal activity at a low dosage, and has a remarkable effect on prevention and treatment of diseases and insect pests in agriculture and forestry and pests in the field of sanitation; moreover, the pesticide composition is safer to non-target organisms, can reduce the damage to plants, non-target organisms and human beings due to overhigh pesticide concentration, and is more beneficial to crop protection and environmental safety.

Burkholderia, and a composition, use and usage method thereof. Provided are the Burkholderia, and a composition comprising the strain and / or a metabolite, culture, fermentation broth and / or extract thereof. The Burkholderia or the composition thereof can generate a siderophore, induce plants or seeds thereof to generate systemic resistance to plant pathogens, and reduce the chemotaxis of plant pathogens to plants, so that prevention and treatment of plant diseases and insect pests are achieved. In addition, plant root system development can be promoted, a nitrogen fixation effect is provided, a phosphate solubilization effect is provided, indoleacetic acid is generated, and weeds are removed, thereby promoting plant growth.

The invention relates to the field of agricultural microbial preparations, in particular to a complex microbial inoculant sustained-release granule for preventing and treating sweet potato stem nematode disease and a preparation method of the complex microbial inoculant sustained-release granule. Comprising the following components in parts by weight: 15-25 parts of paecilomyces lilacinus viable bacterium powder, 10-20 parts of bacillus thuringiensis viable bacterium powder, 10-20 parts of streptomyces viable bacterium powder, 5-15 parts of bacillus subtilis viable bacterium powder, 15-25 parts of charcoal, 5-15 parts of sodium alginate, 5-15 parts of humic acid, 5-10 parts of chitosan, 3-8 parts of calcium silicate, 1-5 parts of mannitol and 1-5 parts of sodium lignin sulfonate. Four microorganisms with complementary functions, namely paecilomyces lilacinus, bacillus thuringiensis, streptomycete and bacillus subtilis, are adopted, the sweet potato stem nematode disease is synergistically controlled through multiple action mechanisms, and the control effect and the stability are remarkably improved.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I: # imgabs0 #, wherein X represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; q1 and Q2 independently represent O or S respectively; m1, M2, M3, M4 and M5 respectively and independently represent CR9 or N, and at least two of the M1, M2, M3, M4 and M5 are N; r1, R2, R3, R4, R5, R6, R7, R8 and R9 independently represent hydrogen, nitro, amino, cyano, halogen and the like respectively. The compound has excellent prevention and control effects on pests such as chilo suppressalis, spodoptera frugiperda, armyworm, prodenia litura, peanut aphid and rice planthopper, and is safe to bees.

The invention belongs to the field of microorganisms, and particularly relates to banana endophytic bacillus velezensis JDB15 and application thereof. The novel endophytic bacillus velezensis JDB15 is separated from banana plants, has the characteristics of efficient inhibition of Foc4, growth promotion of bananas and broad-spectrum antagonism of various pathogenic bacteria, can inhibit the morbidity of corn southern leaf blight, tomato fusarium wilt, tobacco gray mold and peach anthracnose, has the effects of inhibiting the morbidity of various pathogenic fungi, and has the advantages of high efficiency, low cost and the like. And a good broad-spectrum effect is achieved. Meanwhile, the strain can kill nematodes, has wide biocontrol bacterium activity, can be developed deeply subsequently, and provides a sustainable and green solution for prevention and treatment of banana wilt and other diseases and insect pests.

The invention belongs to the field of microbial pesticides and relates to bacillus megatherium NBNC-104 for preventing and treating root-knot nematode as well as a compound bacterial agent and application of the bacillus megatherium NBNC-104. The preservation number of the bacillus megaterium strain NBNC-104 provided by the invention is CCTCC (China Center for Type Culture Collection) M 20242324. Laboratory bioassay data shows that the bacillus megatherium NBNC-104 has high toxic activity and avoidance effect on meloidogyne incognita, and has synergistic nematicidal activity after being compounded with the bacillus thuringiensis strain NBIN-863 and the Kunming Setinia Zerzeri NBNH-006, and the strain can be effectively planted in a rhizosphere soil environment within 30 days under a potting condition. Therefore, the strain has a wide application prospect in agricultural production.

The invention relates to a preparation method and an application of a substituted benzimino thiazolidone derivative. Specifically, the invention relates to a compound as shown in a formula (I), or an isotope labeled compound thereof, or an optical isomer, a geometric isomer, a tautomer or an isomer mixture thereof, or a pharmaceutically acceptable salt thereof, and application of the compound in preparation of insecticides for pest control. The compound can achieve a better pest control effect at a lower dosage, especially for pests such as tetranychidae, microcosaridae, acaridae, tarsonidae, aleuridae and root-knot nematode, and can be used for controlling pests such as tetranychidae, microcosaridae, gall mite, tarsonidae, aleuridae and the like. # imgabs0 #

The preparation method comprises the following steps: reacting a compound shown in a formula (II) with triphosgene to obtain a compound shown in a formula (IV), dropwise adding an acid-binding agent B into the compound shown in the formula (V), and reacting with the compound shown in the formula (IV) to obtain a compound shown in a formula (VI); adding the compound shown in the formula (VI) into an oxidizing agent D, and reacting to obtain a compound shown in a formula (VII); adding the compound as shown in the formula (VII) into an oxidizing agent F, and reacting to obtain a compound as shown in a formula (I); the reaction formula is as follows: in a # imgabs0 # formula, H on a benzene ring is substituted or not substituted by a substituent group R1, during substitution, R1 is methyl, methoxy, cyano, halogen, trifluoromethyl, trifluoromethoxy, methylthio, methylamino or dimethylamino, m is an integer, m is more than or equal to 0 and less than or equal to 9, and a substituent group R2 is alkyl, naphthenic base, substituted alkyl, halogen, fluorenyl, phenyl or substituted phenyl. The compound disclosed by the invention also shows excellent nematicidal activity and antibacterial activity at low concentration.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein X1 and X2 respectively and independently represent hydrogen, halogen, cyano, hydroxyl, amino, alkyl or halogenated alkyl; y1, Y2, and Y3 each independently represent hydrogen, halogen, or the like; q1 and Q2 respectively and independently represent CH2, O or S, and at least one of Q1 and Q2 is O; r1 and R2 respectively and independently represent halogen. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda and armyworm.

The invention discloses a myrosinase-producing Cupriavidus strain and application of the myrosinase-producing Cupriavidus strain in prevention and treatment of soil-borne diseases. The preservation number of the Cupriavidus sp. Strain is CGMCC (China General Microbiological Culture Collection Center) NO.34736. The Cupriavidus sp. Strain is a Cupriavidus sp. Strain. The invention further provides application of the strain in prevention and treatment of soil-borne fungal diseases and a soil disinfection method. According to the soil disinfection method provided by the invention, the amount of isothiocyanate substances generated in a biological fumigation technology is greatly increased, and a remarkable inhibition effect on soil-borne pathogens can be achieved.

The invention relates to application of a nitrostyrolene compound in preventing, controlling or resisting plant pathogenic nematodes and a preparation of the nitrostyrolene compound, and relates to the field of pesticides. The nitrostyrene compound is selected from the group consisting of beta-nitrostyrene, trans-nitrostyrene, trans-4-fluoro-beta-nitrostyrene, trans-4-bromo-beta-nitrostyrene, 4-methoxy-beta-nitrostyrene, trans-4-(2-nitrovinyl) cyanobenzene, 1-(3-fluorophenyl)-2-nitroethylene, (E)-1-fluoro-2-(2-nitrovinyl) and one or more of benzene. The nitrostyrene compound shows excellent insecticidal activity on plant root-knot nematodes and pine wood nematodes, has the advantages of simple structure, easiness in synthesis, good control effect and the like, and has a good application prospect in the aspect of controlling root-knot nematode diseases and pine wood nematode diseases. The compound can be applied to development of novel pesticide preparations for killing root-knot nematodes and pine wood nematodes.

The invention relates to a method for producing microparticles comprising at least one organic active compound encapsulated by a shell of an organic wall material, the method comprising i. Providing a water-immiscible liquid containing the organic active compound to be encapsulated and at least one first shell-forming compound (SFC1); ii. Emulsifying the water-immiscible liquid obtained in step i. In an aqueous medium to obtain an oil-in-water (o / w) emulsion of the water-immiscible liquid in the aqueous medium; iii. Adding at least one second shell-forming compound (SFC2) to the aqueous medium or to the emulsion obtained in step ii. Prior to or during performing step ii., thereby obtaining an aqueous suspension of the microparticles; wherein the first shell-forming compound (SFC1) or the second shell-forming compound (SFC2) has 1, 2, 3, 4, 5 or 6, in particular 1, 2, 3 or 4, in particular 1, 2 or 3 first reactive groups (RG1) selected from isocyanate groups, isothiocyanate groups, carbonyl halide groups and carboxylic anhydride groups, per molecule, and the other shell-forming compound has 1, 2, 3, 4, 5 or 6, in particular 1, 2, 3 or 4, per molecule, in particular 1, 2 or 3 second reactive groups (RG2) selected from the group consisting of hydroxyl, thiol and primary amino groups, the first shell-forming compound (SFC1) or the second shell-forming compound (SFC2) having only one reactive group and the other shell-forming compound having 1, 2, 3, 4, 5 or 6, in particular 1, 2, 3 or 4, in particular 1, 2 or 3 reactive groups. The invention also relates to microparticles obtainable by this process and to the use thereof.

Provided is a stabilized aqueous hydrogen peroxide composition comprising a sugar alcohol that does not contain silver, organophosphonate, peroxyacetic acid or other peracid, or stannate. The composition optionally includes a carboxylic acid. The composition is suitable as a disinfectant and oxidizer, and for the treatment, inhibition, or eradication of fungi or nematodes. Also provided is a method for reversing a bacterial or fungal infection in an infected plant, and a method for enhancing plant growth and / or productivity. Also provided is a method for inhibiting or preventing fungal spore germination in soil in a fungal infested area. Also provide is a method of controlling or preventing nematode infestation of a plant, and a method of reversing damage of a plant caused by nematode infestation. Also provided is a method for treating or reversing Panama disease in an infected banana plant.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y1 is halogen; y2 and Y3 each independently represent hydrogen, halogen, alkyl, or the like; and Z1, Z2, R1, R2, R3, R4, R5, R6, R7 and R8 independently represent hydrogen, halogen, cyano, nitro, alkyl and the like. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention provides a spiropolyspora roseus strain for preventing and treating root knot nematode disease, and the preservation number of the spiropolyspora roseus strain is CGMCC No.41822. The invention also provides a microbial inoculum containing the spiropolyspora pink strain, and the microbial inoculum is prepared by the following steps: inoculating a culture medium with the spiropolyspora pink HLF-14-11, and culturing until spores are produced; spores are eluted to prepare a spore suspension, or a bacterial block is cut to serve as a liquid fermentation inoculant; inoculating the inoculant into a liquid culture medium, and carrying out shake culture; and taking the fermentation liquor to prepare liquid, powder and granules. The spiropolyspora pink strain provided by the invention is separated from root-knot nematode oocysts of diseased tomatoes, can parasitize eggs of root-knot nematodes and inhibit incubation of the eggs, fermentation filtrate of the spiropolyspora pink strain has a relatively strong poisoning effect on second-stage larvae of the root-knot nematodes, and the fatality rate of the second-stage larvae reaches 89.1%. Meanwhile, the strain can produce auxin substances such as indoleacetic acid and the like, and plant growth and root development are promoted.

The invention provides bacillus thuringiensis for efficiently poisoning and killing plant parasitic nematodes and application of the bacillus thuringiensis, and belongs to the technical field of microorganisms. According to the invention, a strain of bacillus thuringiensis BMB-0181 capable of efficiently poisoning and killing plant parasitic nematodes is screened from soil, and the preservation number of the bacillus thuringiensis BMB-0181 is CCTCC (China Center for Type Culture Collection) NO: M 20242644. According to the present invention, the detection results of the strain fermentation broth prove that the trans-aconitic acid yield can be high, and the biological assay and the pot culture experiment prove that the strain has the high poisoning activity on the meloidogyne incognita, can effectively control the field planting of the meloidogyne incognita, and further has the certain growth promoting effect on the tomato; the strain disclosed by the invention can be developed into a novel biological nematode killing pesticide.

The present disclosure relates to the field of molecules having pesticidal utility on pests in Phyla Arthropoda, Mollusca and Nematoda, methods of producing such molecules, pesticidal compositions containing such molecules, and methods of using such pesticidal compositions against such pests. These pesticidal compositions can be used, for example, as acaricides, insecticides, acaricides, molluscicides, and nematicides. This document discloses molecules having the formula and mixtures thereof. # imgabs0 #

The invention belongs to the field of microorganisms, and particularly discloses a Pseudomonas klackmussii strain TYQ5 and application thereof, the Pseudomonas klackmussii strain TYQ5 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.27214, and the Pseudomonas klackmussii strain TYQ5 is preserved in the China General Microbiological Culture Collection Center (CGMCC). The applicant finds that the Pseudomonas kirschner can secrete auxin, can promote the growth of cucumber seedlings, also has the capabilities of interfering tropism migration of nematodes and killing nematodes, has the effect of remarkably relieving stress of root-knot nematodes, also finds that the Pseudomonas kirschner has the capability of inhibiting normal growth of fusarium oxysporum, and also finds that the Pseudomonas kirschner has the capability of inhibiting normal growth of fusarium oxysporum. Furthermore, the pseudomonas kirschner has the capability of degrading vegetable straws and the capability of solubilizing phosphorus, so that the applicant considers that the pseudomonas kirschner has a remarkable application prospect in the fields of agriculture and environmental protection.

The invention belongs to the field of microorganisms, and particularly discloses a microbacterium paraoxidans strain and application thereof, the microbacterium paraoxidans strain TYQ7 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.27216, and the preservation number is CGMCC No.27216. The microbacterium paraoxidans strain TYQ7 has the advantages that the microbacterium paraoxidans strain TYQ7 is preserved in the China General Microbiological Culture Collection Center (CGMCC); the applicant finds that the microbacterium paraoxidans can secrete auxin, can promote growth of cucumber seedlings, also has the capabilities of interfering tropism migration of nematodes and killing nematodes, has the effect of remarkably relieving stress of root-knot nematodes, also finds that the microbacterium paraoxidans has the capability of inhibiting normal growth of fusarium oxysporum, and has the effect of remarkably relieving stress of root-knot nematodes. Furthermore, the microbacterium paraoxidans have the capability of degrading vegetable straws and the capability of dissolving phosphorus, so that the applicant considers that the microbacterium paraoxidans have a remarkable application prospect in the fields of agriculture and environmental protection.

The invention belongs to the technical field of plant disease control, and particularly relates to bacillus agave, fermentation liquor, a biological agent and application. The invention discloses a strain of bacillus tequilensis, which is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the bacillus tequilensis is CGMCC NO.34830. The strain of bacillus tequilensis has the advantages that the preservation number is CGMCC NO.34830; the invention also discloses a fermentation broth and a biological agent prepared according to the bacillus agave, and the bacillus agave, the fermentation broth and the biological agent provided by the invention can effectively reduce the harm of root knot nematode disease to plants and promote seed germination or crop growth, and have the advantages of high efficiency, safety, environmental protection and difficult generation of resistance.

The invention relates to the field of agricultural protection preparations, in particular to preparation of gold nanoclusters and application of the gold nanoclusters to prevention and treatment of plant parasitic nematodes. The invention provides a preparation method of a gold nanocluster, which comprises the following steps: preparing by using HAuCl4 and L-His to obtain an L-type histidine modified gold nanocluster; the preparation method comprises the steps that a HAuCl4 aqueous solution and an L-His aqueous solution are evenly mixed and then incubated, an obtained reaction solution containing L-His-AuNCs is centrifuged and then subjected to aftertreatment such as ultrafiltration, and the gold nanocluster is obtained. The gold nanocluster can be used for preventing and treating pine wood nematodes.

The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition containing trifluorocide, which comprises a component A and a component B. The component A is thymol; and the component B is trifluorocide. The compound nematicidal composition can significantly improve nematicidal activity, can be processed into missible oil, granules, an emulsion in water, an aqueous solution and other common dosage forms applied in the agricultural field, is used for preventing and treating nematode diseases of vegetable crops, grain crops and fruit trees, has the advantages of low dosage and prominent effect, can delay the problem of drug resistance of existing chemical agents, and can be used for preventing and treating the nematode diseases of the vegetable crops, the grain crops and the fruit trees. The safety requirements of pesticide preparations are met.

The invention discloses a microbial agent and application thereof in agricultural production. The microbial agent is prepared by compounding seed solutions of two or more of seed solutions of Trichoderma harzianum, Trichoderma brevicompactum Tb12, Gliocladium roseum NF-06 and Trichoderma asperellum, and the seed solutions of the two or more of the Trichoderma harzianum, the Trichoderma brevicompactum Tb12, the Gliocladium roseum NF-06, the Trichoderma asperellum, the Trichoderma harzianum, the Trichoderma brevicompactum, the Gliocladium roseum NF-06 and the Trichoderma asperellum. The selected strain combination can effectively prevent and treat fungal diseases and nematode diseases and can promote plant growth. The trichoderma harzianum and the trichoderma brevicompactum Tb12 are used in a combined mode, the control effect on fusarium is obvious, the gliocladium roseum NF-06 and the trichoderma asperellum are used in a combined mode, the nematode killing effect is obvious, and the growth of rice is promoted through the trichoderma harzianum and the trichoderma asperellum.

The invention relates to the technical field of microbial control, in particular to Korean pseudomonas, fermentation liquor, a microbial agent and application. The Korean pseudomonas is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.31567. The Korean pseudomonas Sneb2094 can be used for effectively preventing and treating the root knot nematode disease and promoting the plant growth.

The present invention addresses the problem of providing a microorganism which has less load on the environment, has excellent capability of controlling various plant diseases, and can be effectively utilized for the control of plant diseases and the like in the form of cells, a culture product of the cells, or a culture supernatant contained in the culture product.　The problem can be solved by using Bacillus sp. 201106_1 strain (NITE BP-03884 strain).

The present disclosure relates to the field of molecules having pesticidal utility on pests in Phyla Arthropoda, Mollusca and Nematoda, methods of producing such molecules, intermediates used in such methods, and methods of using such pesticidal compositions against such pests. These pesticidal compositions can be used, for example, as acaricides, insecticides, acaricides, molluscicides, and nematicides.

The invention belongs to the technical field of biological prevention and control of plant pests, and relates to application of streptomyces sdu1201 and / or secondary metabolites in prevention and control of plant pests. Research finds that the streptomyces sp. Sdu1201 and the secondary metabolite thereof have the effect of preventing and treating tetranychus urticae and root-knot nematode.

Agrochemical compositions including an agriculturally suitable carrier; one or more encysted or sporulated protozoa (protist); and an agricultural payload including an agrochemical with or without a food source for protozoa such as a agriculturally nonbeneficial bacteria are provided. Also provided is a modified plant seed, and methods for improving plant growth, reducing plant loss to pests, and controlling or eliminating pest infestation of a crop plant, each including use of the described agrochemical compositions.