1039results about "Nematocides" patented technology

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 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.

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 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 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 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.

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.

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, Y2, Y3, Z1, Z2, R1, R2, R3, R4, R5, R6, R7, and R8 independently represent hydrogen, halogen, a cyano group, a nitro group, an alkyl group, etc. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention discloses a pesticide compound composition of abamectin and dsRNA (double-stranded ribonucleic acid) and application of the pesticide compound composition in prevention and control of nematodes. According to the invention, dsRNA is respectively designed and synthesized for five Mcm genes of bursaphelenchus xylophilus, and nucleotide sequences of positive-sense strands of the dsRNA are respectively shown as SEQ ID No.1-SEQ ID No.5; the synthesized dsRNA and abamectin of different components are compounded to obtain the pesticide compound composition, the pesticide compound composition shows a remarkable synergistic effect in the aspect of preventing and treating pine wood nematode diseases, and the nematode killing effect of combined use of the dsRNA and the abamectin is superior to that of single use of any agent; the pesticide compound composition has the potential to become a novel trunk injection for preventing the pine wood nematode disease.

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; y represents hydrogen, an alkyl group, an alkenyl group, an alkynyl group 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 relates to the technical field of soil improvement, in particular to a pineapple planting soil improvement method and a special modifier thereof. According to the pineapple planting soil improvement method, the special improver for the pineapple planting soil is applied to the soil before planting, the application amount is 15-25 kg / mu, and shallow turning is conducted after application; the special modifier for the pineapple planting soil is prepared from the following raw materials in percentage by mass: 35 to 65 percent of activated carbon or loaded activated carbon, 30 to 60 percent of cake fertilizer containing nematode inhibiting substances, 0.5 to 5 percent of loaded pomegranate peel ethanol extract and the balance of adhesive. The cake fertilizer (such as cottonseed meal and tea seed meal) containing the nematode inhibiting substance is an agricultural by-product, the raw materials are easy to obtain, and the cost is low; the activated carbon can be prepared from agricultural and forestry wastes (such as coconut shell charcoal), and accords with circular economy. Meanwhile, the environment-friendly and environment-friendly pesticide is eco-friendly, biodegradable, free of chemical residues and capable of killing insects and inhibiting bacteria at the same time.

The invention discloses beneficial fusarium oxysporum and application thereof in relieving apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The biological preservation number of the fusarium oxysporum FoB1 disclosed by the invention is CGMCC (China General Microbiological Culture Collection Center) NO.42195. The fusarium oxysporum FoB1 disclosed by the invention is beneficial fusarium oxysporum, and has the advantages of excellent biocontrol function, strong environmental adaptability and high affinity with a host. By optimizing the preparation process of the microbial inoculant, the activity and stability of the inoculant are remarkably improved, and a high-quality bacterium source is provided for large-scale production. On the basis, a simple and convenient bacterium-bearing nursery stock application technology is developed, a novel efficient biological prevention and control way is provided for relieving apple continuous cropping obstacles, and important technical support is provided for promoting green and sustainable development of the fruit tree industry.

The invention relates to preparation and application of a trifluoroethyl thiophenylpyrimidinamine 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 #

Compounds of formula I (Formula I),where the substituents R1 through R5 are defined herein, and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of the compounds of Formula (I). In addition, methods and uses of compounds of Formula I as, for example, insecticides. Compositions having compounds of Formula (I) and their uses in controlling insects, particularly in crops of useful plants. Methods and intermediates related to the synthesis of compounds of Formula (I).

The disclosure relates, in part, to the use of compositions of poly N-acetylated glucosamine (PNAG), deacetylated PNAG (dPNAG), and antibodies and antibody fragments specific to PNAG in the prevention and treatment of filariasis.

The present invention relates to compounds with nematicidal activity to pinewood nematode Bursaphelenchus xylophilus.

The invention relates to a preparation method of ginkgo oligosaccharide and a ginkgo oligosaccharide sugar chain plant vaccine, and relates to the field of plant vaccines. The preparation method of the ginkgo oligosaccharide comprises the step that the ginkgo oligosaccharide is extracted from ginkgo testa through an enhanced extraction method, the enhanced extraction method is an extraction method combining an ultrasonic extraction method and a water extraction and alcohol precipitation method, the purity of the oligosaccharide is improved, the structure of the oligosaccharide is not changed, and the cost is reduced. The ginkgo oligosaccharide is used for preparing the plant vaccine, and the vaccine takes the ginkgo oligosaccharide extracted from ginkgo testa as a main component, and has the function of inducing plants to generate stress resistance such as disease resistance, drought resistance, cold resistance and hot air resistance.

The invention relates to preparation and application of a novel trifluoroalkyl sulfur-containing phenyl heterocyclic ring derivative. Specifically, the invention relates to a compound as shown in formula (I) containing a trifluoroalkyl thiophenyl heterocyclic derivative, an isotope labeled compound of the compound, an optical isomer, a geometric isomer, a tautomer or an isomer mixture of the compound, or a pharmaceutically acceptable salt of the compound, 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 and pest mites such as tetranychus cinnabarinus, tetranychus urticae and panonychus citri.

The invention relates to the technical field of organic chemistry, in particular to application of pyrazine compounds in the aspect of killing nematodes. The pyrazine compound has good nematicidal activity on pine wood nematodes, root-knot nematodes and aphelenchoides besseyi, and part of the pyrazine compound also has good activity on root knot nematode diseases caused by the root-knot nematodes, so that the pyrazine compound has good application prospects in the aspect of root knot nematode disease resistance.