91results about "Nematocides" patented technology

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 the preparation and use of novel trifluoroalkylthiophenylpyridine derivatives. Specifically, the present invention relates to compounds of formula (I-1) or formula (I-2) as trifluoroalkylthiophenylpyridine derivatives, or isotope labeled compounds thereof, or optical isomers, geometric isomers, tautomers or mixtures of isomers thereof, or agriculturally acceptable salts thereof, as well as the use of said compounds in the preparation of insecticides for pest control. These compounds are capable of achieving better pest control effects at lower dosages, especially against pests and mites such as Tetranychus cinnabarinus, Tetranychus urticae, and Panonychus citri.

This invention discloses a pesticide composition for controlling guava nematodes and its preparation method, belonging to the field of pesticide technology. By weight, the raw materials of the pesticide composition include the following components: 8-12 parts of neem seed extract, 8-12 parts of pyrethrum extract, 5-8 parts of tongkat ali extract, 5-8 parts of croton fruit peel extract, 5-8 parts of guava leaf extract, 20-25 parts of compound microbial agent, 3-5 parts of sodium lignosulfonate, 5-8 parts of xanthan gum, 4-6 parts of trehalose, and 80-100 parts of water. The above components work synergistically to achieve excellent control of guava nematodes.

The application relates to the field of microbial technology and discloses a Pseudomonas asiatica HNHMPs-260 and application thereof. The strain is preserved in the Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 66854. Fermentation supernatant of the strain can prevent and treat root-knot nematode disease of Hami melon caused by Meloidogyne javanica. Experiments show that the fermentation supernatant has strong toxic effects on second instar larvae of root-knot nematodes and can significantly inhibit the hatching of egg masses and egg grains. In addition, the fermentation supernatant has good thermal stability and storage stability, and still maintains more than 80% nematocidal activity after high-temperature treatment at 121 DEG C and long-term storage at 4 DEG C. Meanwhile, the fermentation supernatant of the strain can promote the growth of Hami melon plants, improve physiological indexes such as root length, stem length, fresh weight and dry weight, and has the application potential of being developed into efficient, environment-friendly and multifunctional biological pesticides.

In the production of crops in agriculture, horticulture, and the like, the occurrence of damage by pests and the like has been still a major issue, and therefore the development of new agricultural / horticultural pesticides has been demanded due to such as the emergence of pests resistant to existing chemicals.　It is discovered that a compound represented by general formula (1) {in the formula, X and Y each represent an oxygen atom or a sulfur atom, Z represents a hydroxyl group or the like, R1 represents an alkoxycarbonyl group or the like, R2 represents a substituted phenyl group or the like, R3 represents a hydrogen atom or the like, and R4 represents a substituted phenyl group or the like} or a salt thereof exhibits a high pesticidal effect on pests and the like in the field of agricultural / horticultural, and the present invention provides an agricultural / horticulturalpesticide using same as active ingredients, and a method for using same.

The invention provides a bacillus velezensis QT1 and an application of the bacillus velezensis QT1. The classification name of the bacillus velezensis is bacillus velezensis QT1, and the bacillus velezensis is preserved in the China Center for Type Culture Collection on November 12, 2025, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20252531. The strain shows remarkable biological control efficiency, realizes effective control on various plant pathogens, and can prevent and treat tomato bacterial wilt and tea tree anthracnose. In addition, the bacillus velezensis QT1 can also effectively kill root-knot nematodes (especially meloidogyne incognita). When the strain is applied to plant cultivation, the growth of various pathogens can be remarkably inhibited, the health and yield of crops are improved, the strain is environment-friendly, the use of chemical pesticides is reduced, soil pollution is avoided, and the development requirement of sustainable agriculture is met.

A composition for controlling soil pests, containing, as an active ingredient, glucosinolate extracted from rapeseed meal and Eutrema japonicum, of the present invention, is obtained by performing extraction on dried rapeseed meal powder in ethanol and water as solvents at an extraction temperature of room temperature to 70°C for 30 minutes to three days so as to extract progoitrin, gluconapin and 4-hyroxyglucobrassicin, which are indicator ingredients, and performing extraction on dried Eutrema japonicum sample in ethanol and water at an extraction temperature of room temperature to 70°C for 30 minutes to three days so as to extract sinigrin, which is an indicator ingredient, thereby mixing the two extracted ingredients.

The present disclosure provides a method for reducing, preventing, or controlling a parasitic infection or infestation in a companion animal The method includes providing an animal feed comprising a pest control agent and administering the animal feed to one or more companion animals for from 1 to 20 days during an infection or infestation. The method can include where the pest control agent comprises a neem extract rich in azadirachtin A, and where the concentration of azadirachtin A administered to the companion animals through the animal feed can include from 0.01 mg to 5 mg azadirachtin A per kg body weight per day. Other aspects are also included herein.

The present invention relates to mixtures of pelargonic acid, or derivatives thereof, and one or more additional insecticidally active ingredients and the use of compositions and combinations thereof for controlling pests in crops of useful plants.

The present invention relates to pesticidally active, in particular insecticidally active, compositions comprising thiamethoxam and their use for controlling animal pests in agricultural crops.

The application belongs to the technical field of biocontrol preparation, and particularly relates to a traditional Chinese medicine composition, a biocontrol preparation and application in the field of pearl plant leaf spot nematode disease prevention and treatment. The leaf spot nematode disease is a main disease and pest of pearl plant planting, and there is no effective prevention and treatment method at present. The application provides a traditional Chinese medicine composition, which comprises wolfberry, leigongteng, peppermint, phellodendron, boerhaavia diffusa and chamomile. Water extracts of the above-mentioned medicinal ingredients can effectively reduce the number of nematodes in soil and improve the disease resistance of pearl plants when used for pearl plant irrigation. The research results of the application are helpful for restraining the occurrence of pearl plant leaf spot nematode disease through biological prevention and control means, and provide theoretical guidance for the development of pearl plant green industry.

Compounds of the formula (I), wherein the substituents are 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.

The application provides an amide compound shown in the following formula I and a preparation method and application thereof. The amide compound and a composition comprising the compound have excellent insecticidal and bactericidal effects and have a certain application prospect in preventing and treating diseases and pests and bacterial diseases of crops.

The application provides a strain of protozoan nephrospora NJAU-HN1 and an application thereof, and belongs to the technical field of agricultural microorganisms. The nephrospora NJAU-HN1 has a preservation number of CCTCC NO: C2025172. The nephrospora NJAU-HN1 can directly and effectively inhibit the survival of root-knot nematodes. Application of the nephrospora NJAU-HN1 or a culture thereof can significantly promote the growth of melon plants, increase the fresh weight, dry weight and root length of the plants. The nephrospora NJAU-HN1 provided by the application provides valuable microbial resources for the development of a new microbial preparation for green prevention and control of melon root-knot nematode disease and crop health promotion, and has a good application prospect.

The invention discloses an amide compound shown in a formula I. In the formula I, R1, R2, R3, R4, R5, R6, R7, X and Y are defined in the specification. The compound disclosed by the invention has excellent insecticidal and bactericidal effects and has a wide application prospect in the aspect of preventing and treating diseases and insect pests of crops.

Methods and compositions are provided for improved microbial strains of the taxonomic family Bacillaceae, specifically using such entities as Iturins, fengycins, and / or surfactins. Fermentation conditions are provided that promote formation of different colony morphologies, each of which have different genotypes, gene expression, cyclic lipopeptide production profiles, and bioactivity against particular pests an pathogens.

The application discloses a use of a berberine derivative in prevention and treatment of plant parasitic nematode diseases. The compound has certain toxic and killing activities on plant pathogenic nematodes, such as pine wood nematode Bursaphelenchus xylophilus and southern root-knot nematode Meloidogyne incongnita, especially, compounds 22, 23 and 25 have broad-spectrum and excellent toxic and killing activities, and part of the nematocidal activities are superior to positive control drugs. The compound is easy to synthesize, has excellent activity, and is expected to be developed into a novel natural source agricultural anti-nematode drug.

The application discloses an amide compound with sterilization and insecticidal effects and application thereof, and the amide compound has a structure shown in formula I, wherein R1 is defined in the description. The compound has excellent insecticidal and sterilization effects, and has wide application prospects in preventing and treating diseases and insect pests of crops.

The present application relates to the technical field of microorganism and nematode control, and particularly relates to a joint arthrobacter parsonii and application thereof. Arthrobacter pascens The joint arthrobacter parsonii of the present application is classified as Arthrobacter parsonii, and the strain number is YCH-T2, which has been preserved in the China General Microbiological Culture Collection Center on March 19, 2024, and the preservation number is CGMCC No.30072. The strain has strong lethal activity on the second instar larvae of root-knot nematodes, and has strong inhibitory effect on the hatching of root-knot nematode eggs, and has important application value for the control of crop root-knot nematode disease.

The application discloses a strain of antagonistic pantoea dispersa for pine wood nematode and application thereof, and belongs to the technical field of biological control. Pantoea dispersa The application is a strain of endogenous bacteria pantoea dispersa (CM-21) isolated from the branch of diseased pinus massoniana. The indoor immersion method determination shows that the corrected mortality of the pantoea dispersa CM-21 fermentation filtrate treated pine wood nematode is 100% in 48 hours. The application is the first time to find the bacteria with the potential for preventing and treating pine wood nematode disease in the pine tree, and can provide new materials for the prevention and treatment of the pine wood nematode disease.

This application relates to a Staphylococcus aureus antagonistic to pine wilt disease and its application. The present invention isolates an endophytic bacterium, Staphylococcus aureus, from Masson pine infected with pine wilt disease. Staphylococcus caprae HM-14, deposited on January 29, 2026, at the Guangdong Provincial Microbial Culture Collection Center (GDMCC NO: 67773), showed that the corrected mortality rate of pine wilt nematodes after 24 hours of treatment with the fermentation filtrate of HM-14 reached 100%, demonstrating that the HM-14 strain possesses highly efficient nematicidal activity against pine wilt nematodes and can be used as a biocontrol strain for the prevention and control of pine wilt disease. This invention also provides the fermentation culture conditions for this strain, offering technical support for the development of biocontrol agents for the prevention and control of pine wilt disease, and has significant application value.

Combinations of agents for enhancing plant growth and methods of their use are provided. The combinations comprise at least one ascaroside (or a derivative or analog of an ascaroside) with at least one plant nutrient. The ascaroside(s) and plant nutrient(s) may be provided in the same composition or may be applied together (e.g., substantially simultaneously) or sequentially.

The application belongs to the field of biological control, and discloses an application of a fungus of the genus Hypocrea (Hypocrea spp.) Diaporthe miriciae ), YD-103 and metabolites thereof in the prevention and treatment of plant parasitic nematodes. The strain was preserved in the China General Microbiological Culture Collection Center on January 27, 2026, and the preservation number is CGMCC No. 42567. The present application first isolates and identifies a nematocidal core component, 3-nitropropionic acid, from the strain, which exerts an effect by specifically inhibiting the A subunit of nematode succinate dehydrogenase, and has no cross resistance with a commercial agent targeting the C subunit of succinate dehydrogenase. The strain, 3-nitropropionic acid and its high-activity analogue 4-nitrobutyric acid methyl ester have lethal and ovicidal effects on southern root-knot nematodes, and also have the effects of promoting growth and increasing yield.

The application discloses application of dimethoxyphenol and a biological preparation thereof in plant pathogenic nematode control, and aims to solve the problems of single function, unknown active ingredient, unclear mechanism and unstable quality of existing microbial source preparations. The application accurately identifies 2,3-dimethoxyphenol as an important nematicidal active substance through metabolomics, and realizes stable co-accumulation of 2,3-dimethoxyphenol and a growth-promoting factor, isopentenyladenine, by combining with a specific strain (pink helical polysporal mold NF-06 and bacillus velezensis YB-1652) co-culture process, so that technical effects of clear composition, synergistic disease-preventing and growth-promoting function, controllable quality and environment friendliness are achieved.

In crop production, including agriculture and horticulture, damage caused by pests remains significant, and the development of new agricultural and horticultural insecticides is desired due to factors such as the emergence of pests resistant to existing pesticides. [Solution] The present invention relates to the general formula (1) TIFF2026086692000149.tif39170 {In the formula, X and Y represent oxygen atoms or sulfur atoms, Z represents a hydroxyl group, etc., R 1 R represents an alkoxycarbonyl group, etc. 2 R represents a substituted phenyl group, etc. 3 R represents a hydrogen atom, etc. 4 The compound represented by} or its salts exhibits high insecticidal efficacy against pests in the agricultural and horticultural fields, and provides an insecticide for agricultural and horticultural use containing these as active ingredients, as well as a method of using the same.

The application discloses application of bacillus velezensis LH-BLS107 (CGMCC No. 34785) or an engineering bacterium modified through natural, artificial mutagenesis or gene editing in biological control of plant nematode diseases. Fermentation culture solution, bacterium powder and / or secondary metabolites of the LH-BLS107 or the engineering bacterium thereof are used in wheat, soybean, rice, fruit trees, vegetables and the like. The fermentation culture solution, the bacterium powder and / or the secondary metabolites can effectively prevent and control wheat cyst nematode disease, soybean cyst nematode disease, rice paratylenchus pseudohollandei disease, fruit tree and vegetable root knot nematode disease, and the mortality of the above-mentioned nematodes can reach more than 95%, and when the fermentation culture solution, the bacterium powder and / or the secondary metabolites are compounded with chemical nematocide, the chemical agent dosage can be reduced by 25%-30%.

The present invention relates to an aryltetrahydropyridine compound represented by formula (1) or a salt thereof. [In formula (1), Q represents Q-1, etc.; J represents J-1, etc.; G represents G-1, etc.; R1 represents a halo(C1-C6)alkyl, etc.; R2 represents a hydrogen atom, etc.; R3 represents a hydrogen atom, etc.; X represents an oxygen atom, etc.; Y represents an oxygen atom, etc.; and A1 represents a nitrogen atom, etc.]