651results about "Nematocides" patented technology

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, 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 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 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 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.

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 invention discloses nematode-killing streptomyces JXSY860 and application thereof, and belongs to the technical field of microbial pesticides. According to the invention, a new strain of Streptomyces turiscabs JXSY860 is found, the new strain of Streptomyces turiscabs JXSY860 has been preserved in Guangdong Microbial Culture Collection Center on August 8, 2024, and the preservation number is GDMCC No: 64998. The invention also discloses a preparation method of the Streptomyces turiscabs JXSY860. Through verification, the JXSY860 strain provided by the invention has stronger lethal activity on second-stage larvae of root-knot nematode, has stronger inhibition effect on incubation of root-knot nematode eggs, has important application value on prevention and control of root-knot nematode diseases of crops, and can be widely applied to preparation of biological agents for preventing and controlling the root-knot nematode diseases.

Compounds of the formula (I) wherein Q is as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling animal pests, including arthropods and in particular insects, molluscs, nematodes or representatives of the order Acarina.

Plants, cells, tissues, and germplasms comprising genes and labeled alleles associated with increased soybean cyst nematode (SCN) resistance are provided. Also provided are methods of breeding plants having alleles associated with increased SCN resistance and methods of identifying and selecting plants having alleles associated with increased SCN resistance. Transgenes and genome-edited plants comprising gene alleles associated with increased SCN resistance are provided.

The present invention provides an eco-friendly, biodegradable, controlled-release pesticidal composition, comprising particular essential oils acting in synergy, adsorbed onto a silicate mineral carrier and embedded within a polysaccharide matrix, which is effective in suppressing nematode populations and enhancing plant health and growth, and methods of use.

The invention discloses a bacillus tequilensis strain HN-1 and application thereof, and belongs to the technical field of biological control of plant parasitic nematodes. The strain HN-1 is identified as bacillus tequilensis, the preservation date is July 28, 2025, the strain HN-1 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation number is CCTCC NO: M 20251718, and the preservation number is CCTCC NO: M 20251718. The invention discovers that the bacillus tequilensis strain HN-1 has good insecticidal activity on meloidogyne incognita and pine wood nematode for the first time; the fermentation liquor and fermentation metabolites of the strain HN-1 can be used as a liquid fungicide, or the fermentation liquor is used for preparing a solid fungicide, and the fungicide can be used for preventing and treating meloidogyne incognita and pine wood nematodes in fields.

This disclosure relates to the field of molecules having pesticidal utility against pests in Phyla Arthropoda, Mollusca, and Nematoda, processes to produce such molecules, intermediates used in such processes, and processes of using such pesticidal compositions against such pests. The pesticidal compositions comprise (A) an oxathiazolidine derivative of formula one and (B) a mixing partner and may be used, for example, as acaricides, insecticides, miticides, molluscicides, and nematicides.

The invention relates to paenibacillus strongly ZKSW001 as well as a fungicide and application thereof, and belongs to the technical field of microorganisms. The paenibacillus pumilus ZKSW001 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.36076, the preservation date is September 25, 2025, and the address of the preservation institution is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The invention also provides application of the paenibacillus strongly ZKSW001 in inhibition of harmful bacteria in soil, prevention and treatment of root-knot nematode and promotion of plant growth. The paenibacillus strongly ZKSW001 disclosed by the invention not only can promote the growth of crops and realize weight loss and efficiency improvement, but also can control the occurrence of soil-borne fungal and bacterial diseases, and can inhibit the growth of root-knot nematode. Chemical pesticide application can be reduced, pesticide residues are reduced, and sustainable development of agricultural economy is promoted.

The invention discloses a compound composition of fluopyram and dsRNA (double-stranded ribonucleic acid) and application of the compound composition in prevention and control of nematodes. The method comprises the following steps: soaking pine wood nematodes by adopting a fluopyram medicament with LC20 concentration, collecting samples at different time points respectively, and carrying out transcriptome analysis. The pesticide compound composition for effectively poisoning and killing the pine wood nematodes is obtained by comparing gene expression differences at different time points, screening out remarkably up-regulated detoxification genes BxCYP, BxCES and BxUDP, designing and synthesizing double-stranded RNA (ds BxCYP, ds BxCES and ds BxUDP) according to the detoxification genes, and compounding the double-stranded RNA with fluopyram. The pesticide compound composition has a remarkable synergistic prevention and control effect on pine wood nematodes, is expected to become a novel and efficient pine wood nematode prevention and control agent, and provides a new strategy and theoretical basis for prevention and control of pine wood nematode diseases.

The invention discloses a pesticide composition compounded by pesticide and detoxification gene dsRNA and application of the pesticide composition in prevention and control of nematodes. The method comprises the following steps: soaking pine wood nematodes by adopting a fluopyram agent with LC20 concentration, collecting samples at different time points respectively, carrying out transcriptome analysis, and screening out obviously up-regulated pine wood nematode detoxification genes BxGST, BxATP and BxVCat by comparing gene expression differences at different time points. Designing and synthesizing double-stranded RNA aiming at the detoxification genes, and compounding the double-stranded RNA with fluopyram to obtain the pesticide compound composition for preventing and treating pine wood nematodes. Nematicidal test results prove that the pesticide compound composition has a remarkable synergistic control effect on pine wood nematodes, is expected to become an efficient pine wood nematode control agent, and provides a new strategy and theoretical basis for control of pine wood nematode diseases.

The invention relates to a bacillus velezensis strain B12, a fungicide containing the same and application of the bacillus velezensis strain B12. The bacillus velezensis strain B12 disclosed by the invention has an efficient and lasting antagonistic effect on septospora (especially tomato septospora), and can play a key role in biological prevention and control of tomato spot blight. Furthermore, research on endogenous metabolites shows that the volatile metabolite 4-hydroxycoumarin can remarkably improve the effects of antagonizing the tomato Acetrospora chrysosporium and preventing and treating tomato spot blight, so that the 4-hydroxycoumarin can be used for developing a more efficient compound bacterial agent. The bacterial strain and the compound bacterial agent have the characteristics of high efficiency, durability, safety and environmental protection when being used for antagonizing septospora caninum and preventing and treating tomato spot blight caused by septospora caninum, so that the bacterial strain and the compound bacterial agent have relatively high industrial value and application prospect.

The invention relates to the technical field of agricultural microorganisms, and provides a microbial agent for promoting growth of fruits and vegetables, the microbial agent is mainly prepared from a compound bacteria liquid, the total viable count of the compound bacteria liquid is greater than or equal to 1 * 10 < 10 > CFU / g, and the compound bacteria liquid comprises the following components in percentage by viable bacteria: 35-40% of aspergillus terreus, 10-20% of aspergillus niger, 5-10% of aspergillus niger, 5-10% of aspergillus niger, and the balance of water. 10 to 20% of bacillus subtilis; 15 to 20% of streptomyces sp. 10-12% of saccharomyces cerevisiae; and 18 to 25% of pseudomonas chlororaphis. The invention overcomes the defects of the prior art, is reasonable in design and relatively comprehensive in function, and also solves the technical problems that the function of the existing single microbial agent is limited and the activity of the complex microbial agent is relatively low under a high-temperature condition.

This application relates to derivatives of ascarosides containing nitrogen- or sulfur-containing functional groups. The application further relates to methods of using such derivatives of ascarosides.

The invention relates to the technical field of agricultural microorganisms, in particular to bacillus tequilensis R78 for preventing and treating pine wood nematode diseases and application of the bacillus tequilensis R78. The bacillus tequilensis R78 for preventing and treating the pine wood nematode disease is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.32106, and the preservation time is September 29, 2024. The bacillus tequilensis R78 can be used for preventing and treating the pine wood nematode disease. The bacillus tequilensis R78 is separated from pine trees, and fermentation liquor of the bacillus tequilensis R78 has stable and efficient pine wood nematode inhibiting and killing capacity. When OD600 is equal to 1.5, the fatality rate of fermentation liquor of the strain R78 on pine wood nematode can reach 95% or above, the disease index of pine tree infected with pine wood nematode disease can be remarkably reduced, and the prevention and treatment effect can reach 68.6%.

The invention provides a strain of Princisteria sp. ZJUHULYT1 and application thereof in prevention and treatment of Meloidogyne miscaceae, and belongs to the technical field of biological prevention and treatment of Meloidogyne miscaceae, the Princisteria sp. ZJUHULYT1 is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20251173. The invention further provides a preparation method of the Princisteria sp. ZJUHULYT1 and application of the Princisteria sp. ZJUHULYT1. Although the Princisteria sp. ZJUHULYT1 disclosed by the invention has no direct lethal effect on the gramineous meloidogyne, when the Princisteria sp. ZJUHULYT1 acts on the roots of rice, the number of rice root knots can be remarkably reduced, and invasion of the gramineous meloidogyne can be remarkably inhibited. According to the present invention, the rice root system can be promoted to defend the synthesis of related hormones, the content of 12-oxo-plant dienoic acid (OPDA) and abscisic acid (ABA) in the rice root system can be increased, and the effect of inhibiting the infection of Gramineae Meloidogyne by increasing the hormone content of the rice root can be achieved.

(I) The present invention relates to methods for controlling or preventing infestation of plants by a phytopathogenic microorganism of the genus Ustilaginoidea, comprising applying to a crop of plants, the locus thereof, or propagation material thereof, the compound of formula (I) or a pesticidal composition comprising the compound.

The present disclosure relates to agricultural compositions. In particular, the present disclosure relates to agricultural carrier compositions. More particularly, the present disclosure relates to agricultural carrier compositions that may be loaded with at least one anti-pathogen agent and / or at least one biocontrol agent and / or fertilizer agent and / or biostimulant agent and / or elicitor agent and / or plant growth regulator and / or insect repellent agent. The present disclosure extends to methods of producing the foregoing. The agricultural compositions include (C2-C 26 ) Alkyl lactate and / or its derivatives, (C2-C 22 ) alcohol, a wetting agent; and a nonionic and / or anionic surfactant. The agricultural composition may further comprise a binder to provide an agricultural carrier composition. The agricultural carrier composition may be further loaded with at least one anti-pathogen agent and / or at least one biocontrol agent and / or fertilizer agent and / or biostimulant agent and / or elicitor agent and / or plant growth regulator and / or insect repellent.

The application belongs to the technical field of pesticides, and particularly relates to a fused heterocyclic compound, a preparation method, an insecticidal composition and application thereof. The compound is shown in the general formula I: wherein X represents R1, R2, R3, R4, R5, R6, R7, R8, R9, R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 respectively independently represent hydrogen, halogen, alkyl, alkenyl and the like; the compound has excellent control effects on Spodoptera exigua, Mythimna separata, Helicoverpa armigera and the like.

The present invention relates to novel heteroaryl-triazole and heteroaryl-tetrazole compounds of the general formula (I), in which the structural elements R1, R2, R3, R4 and R5 have the meaning given in the description, to formulations and compositions comprising such compounds and for their use in the control of animal pests including arthropods and insects in plant protection and to their use for control of ectoparasites on animals.