159 results about "Plant disease" patented technology

The application discloses application of 5,8,11-eicosatrienoic acid in prevention and treatment of plant fungal diseases and belongs to the field of pesticide chemistry. The 5,8,11-eicosatrienoic acid mainly prevents and treats diseases caused by the oomycete class capsicum phytophthora, the compound is a long-chain unsaturated fatty acid, has an antifungal disease effect and can be used as a fungicide to prevent and treat plant diseases. The compound can effectively prevent pathogenic bacteria from invading plants by inhibiting mycelium growth, enhancing cell membrane permeability and interfering with the spore sac release process, and is further used for preventing and treating huge plant fungal diseases. Biological tests show that the compound has a significant concentration-dependent inhibitory effect on the mycelium growth of the capsicum phytophthora, and the half effective inhibitory concentration (EC50) is 60.2 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is more than 83%, the 5,8,11-eicosatrienoic acid can effectively inhibit the release of the capsicum phytophthora spore sac, and the EC50 is 156.3 µg / mL. At a concentration of 200 µg / mL, the inhibition rate is morethan 77%.

The present specification discloses compositions, articles of manufacture, containers or kits comprising such compositions, and methods and uses to control a causal agent of a plant disease, increasing plant growth and / or food production and / or improving performance of an irrigation system(s).

The application provides application of a bacillus subtilis K8 nano-seleniumized active bacterium agent in prevention and treatment of plant pathogenic bacteria, and belongs to the technical field of biological prevention and treatment of plant diseases. Bacillus subtilis The bacillus subtilis K8 nano-seleniumized active bacterium agent is obtained by fermenting and culturing bacillus subtilis K8 in a fermentation medium containing sodium selenite. Bacillus subtilis The bacillus subtilis K8 nano-seleniumized active bacterium agent has a strong prevention and treatment effect on cucumber fusarium wilt, cucumber botrytis blight, tomato early blight and tomato root rot, provides an efficient, safe and practical method for prevention and treatment of plant fungal diseases, has low cost, simple preparation process, is convenient for industrialization, and has good development value and market prospect.

This invention discloses an oxyindene compound containing substituted pyridine and its application as a fungicide. The oxyindene compound containing substituted pyridine has broad-spectrum fungicidal activity, especially effective in controlling rice sheath blight, apple tree rot, rapeseed sclerotinia stem rot, wheat scab, pepper blight, cucumber anthracnose, tomato gray mold, corn curvature blight, rice blast, tomato early blight, wheat take-all, and wheat stem rot. It can be used as a fungicide for the prevention and control of the above-mentioned plant diseases.

The application belongs to the technical field of plant disease prevention and treatment, and relates to a determination method for visually and rapidly evaluating the effect of pesticides on inhibition of soil-borne pathogen infection on crop root systems. Agar powder is added to deionized water and boiled until dissolved, sterilized by high-pressure steam and cooled to 60-65 DEG C to obtain an agar culture medium, and the agar culture medium is poured into a culture dish and continuously cooled to solidification. A double-layer filter paper is laid on the solidified culture medium, pre-germinated seeds are placed above the filter paper and cultivated until the root system expands. After the root system of the seedling expands, the pathogen is inoculated and pesticide liquid is applied; and the activity of the pesticide on the pathogen is evaluated. The advantages of the application are that rapid inoculation can be realized, symptoms can be observed in real time, nematodes can be rapidly inoculated and dyed, pesticides can be applied at different stages before, during and after pathogen infection, and the protective and therapeutic activities of the pesticide can be rapidly evaluated. The application greatly facilitates the related research on pathogen or nematode infection, and provides a rapid and efficient method for evaluating the activity of the pesticide on the soil-borne pathogen.

The present application provides a novel structure of thiophene compound, the compound has significant inhibitory effect on spore germination and appressorium formation of various plant pathogenic fungi and oomycetes (such as Pyricularia oryzae, Colletotrichum gloeosporioides, Gibberella, Phytophthora, Phytophthora capsici), which can be used for preventing and treating plant diseases caused by fungi and / or oomycetes.

The application belongs to the field of agricultural fungicide compound, discloses a composition containing new white folium altheae alkaloid derivative Z-24 and anthraquinone components (emodin, emodin methyl ether, chrysophanol, aloe emodin) in rhubarb and mixed concentration thereof. The application of the composition in preventing and treating plant diseases caused by rhizoctonia solani, sclerotinia sclerotiorum, fusarium graminearum, botrytis cinerea, pyricularia oryzae and phytophthora capsici is disclosed, and the mass percentage of new white folium altheae alkaloid derivative Z-24 and anthraquinone components is 1:500, 1:100, 1:50 or 1:25. The fungicidal composition disclosed in the application has the advantages of wide fungicidal spectrum, low toxicity, effective delay of drug resistance of plant pathogens and the like, and has the value of further research and development.

This application relates to the field of microbial strain technology, specifically disclosing a Bacillus thuringiensis HP-SYJ2 strain and its applications. The Bacillus thuringiensis HP-SYJ2 strain is deposited at the China Center for Type Culture Collection (CCTCC), accession number: CCTCC NO: M2025343, deposit date: March 3, 2025, address: Wuhan University, Wuhan, China. The strain of this application can be used to prepare insecticides for controlling underground pests, which is of great significance for the biological control of plant diseases and pests.

This invention belongs to the field of biological control technology for plant diseases and pests, and provides a strain of Chaetomium globosum ( Chaetomium globosum EF-14 and its applications. This strain is deposited at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC No. 40618. The *Chaetomium globosum* EF-14 provided by this invention is an endophytic fungus of maize that can simultaneously inhibit *Fusarium graminearum* (…). Fusarium gramineae ) and Corn spores ( Bipolaris maydis It can effectively reduce corn stalk rot and corn leaf spot caused by fall armyworm ( ) and can also effectively reduce the incidence of fall armyworm ( ). Spodoptera frugiperda This invention provides a highly efficient and safe microbial resource for the green control of major corn diseases and pests, and broadens the application scope of Chaetomium globosum in agricultural biocontrol, achieving synergistic control of diseases and pests through "one fungus targeting multiple targets".

The application belongs to the technical field of unmanned aerial vehicle operation control, and discloses a plant protection unmanned aerial vehicle intelligent path planning method and system based on multi-target optimization, which comprises the following steps: collecting multi-source data and processing the same to obtain processed data; constructing an energy consumption-pesticide efficacy multi-target optimization model according to the processed data, including a maximum prevention and treatment effect objective function and a minimum energy consumption objective function; solving the energy consumption-pesticide efficacy multi-target optimization model by using an improved NSGA-II algorithm, and generating a Pareto optimal solution set according to a constraint condition; and selecting a plurality of optimal solutions from the Pareto optimal solution set to obtain a three-dimensional flight path and corresponding flight parameters. The application realizes differentiated and accurate pesticide application for plant diseases and insect pests, solves the problems of uneven pesticide application, high energy consumption and poor adaptability of the traditional bow-shaped full coverage path, and significantly improves the accuracy, economy and environmental friendliness of plant protection operation.

The present application discloses a strain of Streptomyces violaceusniger M50 and application thereof in plant disease prevention and control. Streptomyces purpurascens The present application screens the Streptomyces violaceusniger M50, which is preserved in the China Center for Type Culture Collection and has a preservation registration number of CCTCC NO: M 20252248. The Streptomyces violaceusniger M50 screened by the present application has a strong inhibiting effect on a plurality of filamentous fungal pathogenic bacteria, and is especially effective in preventing and treating the newly discovered pathogenic bacterium Cladosporium tenuissimum on blueberries. The M50 has a good biocontrol function, and has an excellent application prospect in preventing and treating plant diseases as a biocontrol bacterium, and especially provides an effective biocontrol preparation for the disease caused by the newly discovered pathogenic bacterium Cladosporium tenuissimum on blueberries.

The present disclosure discloses an intelligent plant disease detection system and method for agricultural crops, the detection system comprising: a camera configured to obtain spectral and photographic data of the crops; an analysis module configured to receive the spectral and photographic data from the camera, perform image processing on the spectral and photographic data, and identify plant diseases; and a wireless communication module configured to transmit data including the identified plant diseases to a server.

The application belongs to the technical field of genetic engineering, and particularly relates to application of AtPEN2 protein and / or its coding gene AtPEN2 in preventing cruciferous plant diseases. The application provides application of AtPEN2 protein and / or its coding gene AtPEN2 in preventing cruciferous plant diseases, and the amino acid sequence of the AtPEN2 protein is shown as SEQ ID NO. 1. The application takes Arabidopsis thaliana as a model plant to verify the prevention and treatment effect of overexpression of AtPEN2 protein on clubroot, and the results show that the AtPEN2 protein overexpression plant can improve the resistance to clubroot, indicating that the coding gene AtPEN2 of the AtPEN2 protein can be applied to molecular breeding of clubroot, and provides a new gene resource for molecular breeding of cruciferous crops.

The present application discloses a Streptomyces pseudovenezuelae and application of the Streptomyces pseudovenezuelae as a biocontrol agent in preventing and treating plant diseases. Streptomyces pseudogriseolus The Streptomyces pseudovenezuelae M5 screened by the present application is preserved in China Center for Type Culture Collection, and the preservation registration number is CCTCC NO: M 20252042. The Streptomyces pseudovenezuelae M5 screened by the present application has a strong inhibiting effect on a plurality of filamentous fungal pathogenic bacteria, has an obvious prevention and treatment effect on leek leaf rot disease caused by Alternaria alternata, and has an obvious effect on a newly discovered pathogenic bacterium Microdochium dimidiatum on blueberries. The M5 has a good biocontrol function and a growth promotion effect, has an excellent application prospect as a biocontrol agent for preventing and treating plant diseases, and especially provides an effective biocontrol preparation for diseases caused by the newly discovered pathogenic bacterium Microdochium dimidiatum on blueberries.

The application discloses a kind of phenylacrylamide derivatives and preparation method and purposes thereof, belong to organic synthesis chemistry and pesticide technical field.Phenylacrylamide derivatives are prepared by condensation reaction from cinnamic acid or its derivatives and benzimidazole derivatives.Biological activity test shows that the compounds exhibit different degrees of inhibitory activity on rice sheath blight pathogen, barley root rot pathogen, wheat scab pathogen and brassica rapa sclerotinia pathogen, and can be used for preparing fungicide for preventing and treating agricultural plant diseases.

The present application relates to a kind of penicillium for plant disease biological control and its application.The present application is obtained by research and screening a new biocontrol agent Penicillium brefeldianum 54-13, the fermentation product thereof can effectively activate the immune induction level of plant, improve the disease resistance of plant caused by wheat powdery mildew, wheat scab and rice blast fungus, including wheat powdery mildew, wheat scab and rice blast fungus etc., provide a safe and environmentally friendly disease control strategy for the sustainable development of wheat and rice.

This invention provides a strain of *Bacillus erythropoietinus* and its applications, belonging to the field of bioengineering technology. This *Bacillus erythropoietinus* is classified and named... Paenibacillus ehimensis WX01, deposited at the China Center for Type Culture Collection (CCTCC) with accession number CCTCC NO: M2026113, dated January 15, 2026, describes a strain of *Bacillus erinaceus* that can ferment and simultaneously produce 2-methylbutyric acid (2-methylbutyric acid) and 6-methyl-2-heptanone, showing promising applications in plant disease control. Further research revealed that the concentrations of 2-methylbutyric acid and 6-methyl-2-heptanone obtained through this strain can reach 4.85 g / L and 48.34 mg / L, respectively. The fermentation production of 2-methylbutyric acid and 6-methyl-2-heptanone using this strain is low-cost, high-yield, safe, and environmentally friendly.

The present application belongs to the technical field of plant disease monitoring, and more particularly relates to a wheat stripe rust remote sensing monitoring method based on optimized hyperspectral vegetation index. The method comprises: test design and sample collection, multi-scale spectral data acquisition, vegetation index screening and optimization, PLSR monitoring model construction, model verification and disease spatial inversion, and result output. The sensitive vegetation index is screened through a test field and optimized, and then the model adaptability is verified in a real field, so that the problems of significant decrease in precision when the existing wheat stripe rust hyperspectral monitoring technology is transplanted from a controllable test field to a real field, inability to cope with complex interference such as soil background heterogeneity, environmental fluctuation and agronomic condition difference, etc. are solved.

This invention discloses a method and its application for silencing plant disease-susceptible genes by loading double-stranded RNA (dsRNA) onto a three-dimensional mesoporous carrier of nanolayered carbon microcrystals, belonging to the field of nanopesticide formulation technology. After amino-functionalization modification, the carrier covalently couples with terminally carboxylated and 2′-O-methyl-modified dsRNA, achieving highly efficient loading (loading rate > 95%) through synergistic effects of π-π stacking, significantly improving the stability, leaf permeability, and resistance to nuclease degradation of the dsRNA. After delivering the dsRNA targeting the disease-susceptible gene to plant cells, it can specifically activate RNA interference, efficiently silencing the disease-susceptible gene and enhancing plant immunity. Further encapsulation in biodegradable polymer microcapsules can form a long-acting formulation with sustained-release properties. This invention provides an efficient, stable, and environmentally friendly RNA delivery strategy for plant disease control.

This invention discloses the application of Panax notoginseng saponin Ft1 as a plant immune inducer in the control of bacterial plant diseases, belonging to the field of biopesticide technology. This invention is the first to discover that Panax notoginseng saponin Ft1 can effectively activate the plant immune system, promote the expression of the FRK1 immune marker gene, induce reactive oxygen species bursts and calcium ion influx, and activate MAPK protein phosphorylation, thereby enhancing plant resistance to bacterial diseases such as *Pseudomonas syringae*. Unlike other existing Panax notoginseng saponins that directly inhibit fungi as fungicides, Panax notoginseng saponin Ft1 works by activating the plant's own immunity and has no inhibitory effect on plant growth at effective concentrations. It is highly efficient, safe, and environmentally friendly, and can be used as a novel biopesticide for the control of bacterial plant diseases.

This invention discloses a Bacillus NWAFU20-20 and its application in the prevention and control of plant diseases and the promotion of plant growth, belonging to the field of microbial application technology, and particularly relating to a Bacillus ( Bacillus Bacillus sp. NWAFU20-20 was deposited at the China Center for Type Culture Collection (CCTCC) on January 23, 2026, with accession number CCTCC NO: M 2026209. This Bacillus sp. NWAFU20-20 is used in the control of plant diseases. The Bacillus sp. NWAFU20-20 provided by this invention can alleviate garlic leaf blight, significantly promote the growth of garlic, cucumber, and tomato seedlings, and exhibits good broad-spectrum resistance to plant diseases.

The present application relates to the field of agricultural biotechnology and plant disease control technology, and specifically discloses a composition for preventing and controlling rape root rot, a preparation method and application thereof. The composition is prepared by fermentation of the following components in parts by weight: tea seed cake 10-30 parts, oyster shell powder 20-30 parts, waste molasses 10-20 parts, brewer's yeast powder 1-5 parts, xylo-oligosaccharide industrial residue 1-3 parts, and a composite fermentation agent containing lactobacillus plantarum, bacillus coagulans and propionic acid-producing propionibacterium 1-3 parts. The fermentation process adopts a two-stage pH control timing inoculation process: in the first stage, brewer's yeast is inoculated; in the second stage, the composite fermentation agent is inoculated under acidic conditions, and through synergistic metabolism, the sugar source is efficiently converted into a short-chain fatty acid composite system mainly composed of lactic acid and propionic acid. The prevention and control effect on rape root rot is significantly improved, and the composition also has the functions of improving soil and promoting crop growth, and has the advantages of high efficiency, environmental protection and multi-effect combination.

This invention provides the application of the plant susceptibility gene SNIPER in regulating plant disease resistance, belonging to the fields of plant molecular biology and plant genetic engineering. This invention relates to a plant disease susceptibility gene SNIPER, its recombinant silencing vector, and its applications. This gene is derived from *Nicotiana benthamiana* and has the nucleotide sequence shown in SEQ ID NO.1, with the encoded product having the amino acid sequence shown in SEQ ID NO.3. This invention can induce resistance to multiple pathogens in tobacco by inhibiting the expression of this gene, which is of great significance in improving disease resistance in crop breeding.

This invention relates to the field of plant disease biological control technology, and particularly to a Fusarium oxysporum cell wall extract, its preparation method, and its application. The extract is derived from the polysaccharide fraction of the cell wall of Fusarium oxysporum spores or hyphae, and contains at least one pathogen-associated molecular pattern (PAMP) component. This component is a non-protein, thermally stable, species-nonspecific elicitor capable of forming an aqueous dispersion system. The extract of this invention can be recognized by plant PRRs and activate PTI immunity. Rehmannia glutinosa tubers treated with the extract showed a significantly increased germination rate after inoculation with Fusarium oxysporum. It also induces superoxide anion production, upregulates the activities of superoxide dismutase, peroxidase, and catalase, and enriches differentially expressed genes in the MAPK signaling pathway, jasmonic acid metabolism pathway, and phenylpropane biosynthesis pathway. Furthermore, the extract can directly inhibit Fusarium oxysporum colony expansion, conidia production, and mycelial growth. Extracts derived from spores or hyphae show no significant difference in inducing disease resistance, and the raw materials are flexible and easy to industrialize. This extract is derived from the cell wall of the pathogen itself, making it environmentally friendly and free from the risk of chemical pesticide residues. It is suitable for the green control of root rot disease in Rehmannia glutinosa.

The application discloses a Trichoderma koningiopsis and application of the Trichoderma koningiopsis as a biocontrol agent in prevention and treatment of plant diseases. Trichoderma koningiopsis The Trichoderma koningiopsis GS95 screened by the application is preserved in the China Center for Type Culture Collection (CCTCC) and has a preservation registration number of CCTCC NO: M 20252046. The Trichoderma koningiopsis GS95 screened by the application has a strong inhibiting effect on a plurality of filamentous fungal pathogenic bacteria, especially in prevention and treatment of blueberry top bud brown spot caused by new outbreak of Cladosporium oxysporum on blueberries, and provides an effective biocontrol agent for the disease caused by the newly discovered pathogenic bacterium Cladosporium oxysporum.

This invention belongs to the field of fermentation engineering and plant disease control technology, specifically relating to the application of a Bacillus endophyticus compound inoculant fermentation broth in the control of plant diseases. The Bacillus endophyticus compound inoculant disclosed in this invention exhibits antibacterial effects against anthracnose in peppers, blight in peppers, gray mold in tomatoes, wilt in watermelons, wilt in cucumbers, verticillium wilt in cotton, black spot in peppers, root rot in carrots, soft rot in taro, and bacterial wilt in peppers, with inhibition rates of (75.37±1.44), (71.00±1.41)%, (83.14±0.96)%, (74.70±1.09)%, (69.21±1.04)%, (78.31±1.39)%, (73.06±0.73)%, (75.49±0.89)%, (46.79±1.57)%, and (73.82±0.51)%, respectively.

This invention discloses a Trichoderma harzianum JT3 and its applications, relating to the field of microbial technology. The aforementioned Trichoderma harzianum ( Trichoderma harzianum JT3, deposited on September 22, 2025, at the China Center for Type Culture Collection (CCTCC), accession number: CCTCC NO: M 20252082, address: Wuhan University, Wuhan, China. This invention also provides applications of *Trichoderma harzianum* JT3. The *Trichoderma harzianum* JT3 strain provided by this invention can produce various lignocellulose-degrading enzymes, efficiently degrading lignin, cellulose, and hemicellulose in agricultural waste such as straw and producing ethyl styrosinate. Simultaneously, it exhibits significant inhibitory effects on various plant pathogens, effectively solving the problems of environmental pollution caused by the difficult degradation of lignin in straw, the decline of ancient trees due to wood-rotting fungi, and the over-reliance on chemical pesticides for plant disease control.

The application relates to the technical field of plant disease detection, and discloses a primer for detecting pepper Phytophthora capsici, application of the primer, and a product and method for detecting pepper Phytophthora capsici. A high-specificity amplification primer is designed according to a specific sequence of a genome of pepper Phytophthora capsici, the primer can avoid interference of multiple related fungi, and can amplify a sufficient target for detection under a condition of low-abundance pathogenic bacteria; meanwhile, the provided amplification primer is combined with a CRISPR / Cas12a technology, rapid and accurate detection and identification of pepper Phytophthora capsici can be realized, and a very high sensitivity is achieved. In a limited environment, the detection system provided by the application is not only high in sensitivity and strong in specificity, but also short in time consumption and convenient in operation, and provides an effective tool for rapid identification of pepper Phytophthora capsici.

This invention discloses a method for controlling root rot of Panax notoginseng based on a fungal synthetic microbial community and its application, belonging to the field of plant disease biological control technology. The method involves screening six fungal strains from the rhizosphere soil of healthy Panax notoginseng plants that have survived for three years in continuously cropped fields. These strains exhibit highly efficient antagonistic activity (inhibition rate ≥70%) against three pathogens of the genus *Fusarium*. A synthetic microbial community containing *Trichoderma atroviride*, *Trichoderma hamatum*, *Trichoderma petersenii*, *Trichoderma neokoningii*, *Trichoderma virilente*, and *Phanerochaete concrescens* was constructed at a viable count ratio of 1:350:590:14:30:755, and prepared to a spore concentration of 10... 8 -10 9 Capsules containing 10⁸ CFU / g are used. Before planting, apply the fertilizer to the bottom of the planting hole. After emergence, apply the fertilizer using a fertilizer applicator within a 5cm radius around the roots, 20-30g per plant (based on 10⁸ CFU / g). Apply once a month from 4-6 months after emergence, for three consecutive applications. During the application period, maintain soil moisture at 60%-70% and a temperature of 13-20℃. This method can reduce the incidence of root rot in Panax notoginseng to below 10.60%, while increasing yield per plant by 6% and increasing total saponin content by ≥20%, combining prevention, growth promotion, and environmental safety.