Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

114 results about "Colletotrichum coccodes" patented technology

Colletotrichum coccodes is a plant pathogen, which causes anthracnose on tomato and black dot disease of potato. Fungi survive on crop debris and disease emergence is favored by warm temperatures and wet weather.

New streptomyces for antagonizing broad-spectrum plant pathogenic fungi and application of new streptomyces

The invention provides a streptomyces, which is named as Streptomyces sp. And is registered and preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 65917. The invention also provides a fermentation broth of the streptomyces, and an ethanol extract and a crude extract of the fermentation broth. The novel streptomyces, the crude extract thereof and the like have broad-spectrum antibacterial activity, have a good antagonistic effect on various pathogenic bacteria such as banana long leaf spot germs and banana colletotrichum gloeosporioides, can enable hyphae of the banana colletotrichum gloeosporioides to shrink, deform and break, inhibit spore germination of the banana colletotrichum gloeosporioides, and have a good anti-bacterial effect on the banana colletotrichum gloeosporioides. According to the present invention, with the application of the bacterial strain, the colletotrichum gloeosporioides spores are shrunk and broken, the growth of the colletotrichum gloeosporioides is inhibited, the peroxidase activity, the polyperoxidase activity, the CAT activity and the like in the banana peel can be improved, and the bacterial strain is the potential biological agent for the prevention and control of the colletotrichum gloeosporioides diseases, and has wide development space and good development and application prospects.
Owner:HAINAN NORMAL UNIV

Bacillus velezensis and application thereof

The invention relates to the technical field of microorganisms, in particular to bacillus velezensis F0b and an application of the bacillus velezensis F0b. The bacillus velezensis F0b is preserved in the Guangdong Microbial Culture Collection Center on April 26, 2024, the preservation date of the bacillus velezensis F0b is April 26, 2024, and the preservation number of the bacillus velezensis F0b is GDMCC (China General Microbiological Culture Collection Center): 64566. The bacillus velezensis has prevention and / or control effects on pyricularia oryzae, cabbage sclerotinia sclerotiorum, tomato fusarium wilt, banana fusarium wilt, rice leaf spot, peronophythora litchii, soybean carbon rot, colletotrichum capsici and corn leaf curvularia, and can be used for preparing broad-spectrum microbial source bactericides. The fermentation liquor of the bacillus velezensis can generate amylase, carboxymethyl cellulose and protease, and the fermentation liquor of the bacillus velezensis has prevention and / or control effects on vegetable pathogenic fungal diseases, namely cabbage sclerotiniose or pepper anthracnose.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Application of pseudomonas paraxanthomonas YC15 strain in efficient prevention and treatment of wheat stem rot and various pathogenic bacteria

The invention provides application of a pseudomonas parabarium YC15 strain in efficient prevention and treatment of wheat stem rot and various pathogenic bacteria. The invention provides a new application of the pseudomonas parabarium YC15 strain in prevention and control of plant diseases, and research shows that the YC15 strain has broad-spectrum bacteriostatic activity, has remarkable inhibitory activity on various plant pathogenic bacteria, can inhibit pathogenic fungi such as wheat stem rot, sesame root rot and colletotrichum gloeosporioides, and has a wide application prospect in prevention and control of plant diseases. And the compound has a relatively good inhibition effect on pathogenic bacteria, namely sesames pseudomonas solanacearum. The YC15 strain is applied to prevention and control of wheat stem rot, and pot experiments show that after the YC15 strain is adopted for treatment, plant lesions can be reduced, the inhibition effect of pathogenic bacteria on plants can be broken, the pathogenic bacteria can be effectively inhibited, plant growth can be promoted, and the wheat stem rot can be efficiently prevented and controlled. The invention provides new application of the YC15 strain, and the YC15 strain can be used for preventing and treating various plant protobacteria and diseases thereof, and has good development and application potential as a biocontrol bacterium.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Isothermal amplification detection kit for apocarya colletotrichum gloeosporioides and application thereof

The invention provides an isothermal amplification primer probe set for detecting Colletotrichum fucicola of Carya illinoensis, a rapid detection kit, a method for detecting Colletotrichum fucicola and application of the isothermal amplification primer probe set and the rapid detection kit, and belongs to the technical field of biological detection. Aiming at the limitation problems that the current apocarya colletotrichum gloeosporioides is difficult to identify, excessively depends on expensive instruments and technicians and the like, the apocarya colletotrichum gloeosporioides LFD-RPA detection technology research is developed, the apocarya colletotrichum gloeosporioides can be simply, conveniently and efficiently detected, the apocarya colletotrichum gloeosporioides LFD-RPA has no cross reaction with 22 representative strains of the colletotrichum gloeosporioides, the specificity is high, the detection time is the lowest detection limit is 10 pg of genome DNA, and the sensitivity is high. The method is suitable for port quarantine, scientific research institutions, agriculture and forestry management, farmer households and other departments to rapidly detect the diseases in real time on site.
Owner:INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI

Bacillus velezensis nano-material complex microbial inoculant as well as preparation method and application thereof

The invention relates to the technical field of microbial control, and discloses a bacillus velezensis nano-material complex microbial inoculant as well as a preparation method and application thereof. The microbial inoculum is prepared by the following steps: preparing a bacterial suspension of bacillus velezensis; mixing sodium alginate with the bacterial suspension, adding nanocarbon, and stirring to obtain a mixed solution; and adding the mixed solution into a stirred calcium chloride solution, and reacting to obtain the bacillus velezensis microcapsule fungicide. The bacteriostasis rates of the fungicide for citrus brown spot, citrus colletotrichum gloeosporioides, citrus lipolytic macular blight, banana fusarium wilt and banana long leaf spot bacteria are all greater than 56%; the prevention and treatment effect on the Huanglongbing reaches 57.84%. After ultraviolet irradiation, the bacteriostatic ability of the microbial agent is reduced by only 4.32%, and the microbial agent can play a biological prevention and control role for a long time. The growth amount of citrus seedlings treated by the microbial inoculum can be increased by 220.39%, the number of newly grown leaves can be increased by 244.67%, and the microbial inoculum has a good plant growth promoting effect.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY +2

Bacillus for preventing and treating camellia oleifera anthracnose and application thereof

The invention discloses bacillus for preventing and treating anthracnose of camellia oleifera and application of the bacillus. The preservation number of the bacillus CH-1-7 provided by the invention is GDMCC (Glucose Digital Microorganism Center) No. 66219; the bacillus amyloliquefaciens has the capability of generating living-promoting substances, can generate organic phosphorus and siderophores, has the nitrogen fixation capability, can inhibit the growth of various pathogenic bacteria, especially colletotrichum gloeosporioides, can be used for preventing and treating camellia oleifera anthracnose, and has important application value in the field of plant protection.
Owner:GUANGDONG ACAD OF FORESTRY

Banana endophyte compound fungicide as well as preparation method and application thereof

ActiveCN120505211ABiocideFungiBiotechnologyPyricularia grisea
The invention belongs to the field of microorganisms, and particularly relates to a banana endophyte compound fungicide as well as a preparation method and application thereof. According to the invention, a novel endophytic bacillus velezensis JDB15 strain and an endophytic trichoderma harzianum JDL4 strain are separated from a banana plant. The trichoderma harzianum JDL4 can inhibit botrytis cinerea, fusarium graminearum, rhizoctonia solani, peach anthracnose pathogen, peach brown rot pathogen and alternaria alternata, and has a good broad-spectrum antibacterial effect. Meanwhile, after the filtrate of the fermentation liquor of the trichoderma harzianum JDL4 and the bacillus velezensis JDB15 are compounded, the antibacterial effect is remarkably improved, and the control effect on banana fusarium wilt, pyricularia oryzae, tomato fusarium wilt and corn bipolaris maydis is also remarkably improved. The compound bacterial agent has wide biocontrol bacterial activity, can be developed deeply subsequently, and provides a sustainable and green solution for prevention and treatment of banana wilt and other plant diseases.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +2

Bacillus velezensis B313-6 and application thereof in inhibiting colletotrichum gloeosporioides of ginseng

The invention relates to bacillus velezensis B313-6 and application thereof in inhibiting colletotrichum gloeosporioides of ginseng, and belongs to the technical field of agricultural microorganisms. The invention discloses bacillus velezensis B313-6, the preservation number of the bacillus velezensis B313-6 is CGMCC (China General Microbiological Culture Collection Center) No.31782, and the invention provides a preparation method of the bacillus velezensis B313-6 microbial inoculum. The bacillus velezensis B313-6 and the microbial inoculum thereof have high bacteriostatic activity on Colletotrichum panaccolica of ginseng, effectively reduce the occurrence of anthracnose of ginseng or American ginseng, are safe to the growth of ginseng or American ginseng, have no phytotoxicity, have no pollution to the environment, and can be widely applied to the field of biological preparations of ginseng or American ginseng, so that the bacillus velezensis B313-6 and the microbial inoculum thereof can be widely applied to the field of biological preparations of ginseng or American ginseng. The compound has good biopesticide development potential and application prospect in the aspect of preventing and treating anthracnose of ginseng or American ginseng, and has a certain growth promoting effect on ginseng roots.
Owner:JILIN AGRICULTURAL UNIV

A shared Fusarium strain and its application

The present invention discloses a shared Fusarium and its application, and belongs to the technical field of plant endophytic fungi. The shared Fusarium isolated by the present invention has a deposit number of CGMCC No.41090. Experiments have found that strain G3-29 has excellent inhibitory effects on multiple pathogens of Fusarium graminearum, pseudo-Fusarium graminearum, anthracnose bacteria, sclerotinia, wheat root rot flat navel helminth spores and corn flat navel helminth spores, and has good application prospects. Strain G3-29 has a significant promoting effect on wheat growth, and has a significant biological control effect on wheat scab. In addition, strain G3-29 processes lycopersicon and corn, and can also significantly reduce the occurrence of lycopersicon leaf spot disease and corn leaf spot disease. The present invention provides new strain resources for the prevention and control of gramineous plant diseases, and provides a theoretical basis for the effective prevention and control of multiple gramineous plant diseases.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI

Low-temperature-resistant rice endophytic streptomyces with biological control effect on common crop diseases and application of low-temperature-resistant rice endophytic streptomyces

The invention discloses low-temperature-resistant rice endophytic streptomyces with biological prevention and control effects on common crop diseases and application of the low-temperature-resistant rice endophytic streptomyces, relates to the field of microorganisms, and aims to solve the problems that an existing rice blast biocontrol strain cannot play a stable effect under a low-temperature condition and is poor in rice blast control effect. The low-temperature-resistant rice endophytic streptomycete is alfalfa streptomycete F05 and is preserved in China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is February 17, 2025, and the preservation number is CGMCC No.33539. The streptomyces medicaginis F05 disclosed by the invention can stably play a biological prevention and control role at a low temperature of 5-15 DEG C. The compound has broad-spectrum antibacterial performance, is used for inhibiting corn stalk rot bacteria, green bean colletotrichum, rice bakania, botrytis cinerea and rhizoctonia solani, and can also be used for decomposing starch and cellulose.
Owner:INST OF MICROBIOLOGY HEILONGJIANG ACADEMY OF SCI +1

Natural preservative containing palm leaf extract as well as preparation method and application of natural preservative

The invention belongs to the field of comprehensive utilization of palm leaves, and particularly relates to a natural preservative containing palm leaf extract as well as a preparation method and application of the natural preservative. According to the natural preservative disclosed by the invention, sunflower discs, betel nut leaves, mint leaves, oil-tea cakes and barley are added into lactobacillus plantarum to prepare fermentation liquor, the fermentation liquor is sterilized, and then palm leaf extract and purslane extract are added, so that the antibacterial rate on mango colletotrichum gloeosporioides, litchi fruit colletotrichum gloeosporioides and strawberry colletotrichum gloeosporioides can be remarkably increased; the preservative can effectively prevent fruits from decaying and deterioration, can effectively prolong the storage life of fruits when being used for preservation and fresh keeping of fruits, has small toxic and side effects, and greatly improves the safety.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +2

Broad-spectrum antagonistic bacterium bacillus velezensis SJD33 and application thereof

The invention relates to the field of microorganisms, in particular to a broad-spectrum antagonistic bacterium bacillus velezensis SJD33 and application thereof. The preservation number of the bacillus velezensis SJD33 provided by the invention is CGMCC (China General Microbiological Culture Collection Center) No.29456. The bacillus velezensis SJD33 provided by the invention has the advantages that the preservation number is CGMCC No.29456; the strain has a remarkable inhibition effect on pear fruit rot pathogens (physalospora piricola, penicillium, alternaria alternata, athelia fruit rot pathogens, botrytis cinerea and colletotrichum gloeosporioides) and other fruit pathogenic bacteria (apple core pathogens, brown rot pathogens and pomegranate dry rot pathogens). The SJD33 can obviously reduce the natural rotting rate of the pear fruits; the SJD33 can be rapidly colonized in fruit wounds; the SJD33 does not influence the fruit quality and can delay the reduction of the fruit hardness and the L-ascorbic acid; the SJD33 secondary metabolite is stable in activity and has great application potential. The strain provides a new strain resource for a fruit disease biocontrol resource library.
Owner:FRUIT TREE INST OF CHINESE ACAD OF AGRI SCI

Carnosic acid nano-emulsion as well as preparation method and application thereof

The invention discloses application of carnosic acid nano-emulsion as an agricultural bactericide for preventing and treating plant diseases. The plant diseases comprise rhizoctonia solani, colletotrichum rubrum, botrytis cinerea, peronophythora litchii, phytophthora capsici, colletotrichum gloeosporioides, tomato ralstonia solanacearum, citrus canker germs, potato soft rot germs, xanthomonas oryzae pv. Oryzae, mango bacterial angular leaf spot germs and muskmelon bacterial fruit spot germs; the carnosic acid nano-emulsion is prepared from the following raw materials in percentage by mass: 0.5 to 5 percent of carnosic acid, 5 to 20 percent of organic solvent, 4.0 to 10 percent of emulsifier and the balance of water. The carnosic acid nano-emulsion prepared by the invention has the characteristics of simplicity in processing, emulsion stability, good wettability, obvious bactericidal activity and the like, and meanwhile, the carnosic acid is a plant secondary metabolite and is high in use safety in the process of preventing and treating plant diseases.
Owner:ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI

Application of CsNOMT gene and sakuranetin in prevention and treatment of tea tree anthracnose

The invention discloses application of a CsNOMT gene and sakuranetin in prevention and treatment of tea tree anthracnose. It is found for the first time that methyltransferase encoded by the tea tree-derived CsNOMT gene can efficiently catalyze naringenin to be converted into sakuranetin, the endogenous phytoalexin level of a tea tree is remarkably improved, and then the disease resistance of the tea tree-derived CsNOMT gene to Colletotrichum carolinae is enhanced. The silence of the CsNOMT gene can reduce the sakuranetin content by 30-40%, resulting in the increase of the scab area; and by overexpressing the gene, the sakuranetin content is increased by 30%, and the scab area is remarkably reduced. In addition, the growth of colletotrichum can be effectively inhibited by exogenously spraying 0.05-0.3 mM of sakuranetin, and the optimal concentration is 0.1-0.3 mM. The invention provides a new strategy for green prevention and control of tea tree anthracnose, and has the characteristics of high efficiency, safety and environmental friendliness.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Bacillus velezensis BVDT-1 and application thereof

The invention provides bacillus velezensis BVDT-1 and application thereof, and belongs to the technical field of biological agents. The bacillus velezensis BVDT-1 strain is obtained through separation and identification, has an inhibition effect on various plant pathogenic fungi such as waxberry wilting germs, persimmon colletotrichum gloeosporioides and persimmon leaf spot germs, provides a new resource for biological prevention and control of related fruit tree diseases, and compared with part of similar strains, the bacillus velezensis BVDT-1 strain has the advantages that the antibacterial effect of the plant pathogenic fungi is not mentioned, and the bacillus velezensis BVDT-1 strain has a good application prospect. The strain is excellent in genome characteristic, high in degradation capacity, low in drug-resistant gene risk and large in secondary metabolite synthesis potential, can secrete unknown antibiotics possibly, provides powerful support for application in the fields of biological control and microbial fertilizer, and has wide application prospects in the aspects of biological control, agricultural production and the like.
Owner:ZHEJIANG SUB TROPICS CROP INST

Tea saponin bactericide and application thereof

The invention discloses a tea saponin bactericide. The active components in the bactericide comprise tea saponin, a microbial complex microbial inoculant and an auxiliary agent. By adding the paenibacillus, the bacillus amyloliquefaciens, the gluconacetobacter xylinum and the tea saponin into the bactericide, the activity of the navel orange colletotrichum gloeosporioides and the navel orange alternaria brassicae can be effectively inhibited.
Owner:赣州市综合检验检测院

Application of 2-heptanone in preparation of preparation for preventing and treating plant diseases

ActiveCN121369380ABiocideFungicidesBiotechnologyMycosphaerella musicola
The invention relates to the field of agricultural biotechnology and plant protection, and particularly provides application of 2-heptanone to preparation of a preparation for preventing and treating plant diseases. The bactericidal composition has a strong bacteriostatic effect on litchi colletotrichum gloeosporioides, strawberry colletotrichum gloeosporioides, mango leaf blight, pawpaw colletotrichum gloeosporioides, wheat gibberellic disease, mango colletotrichum gloeosporioides, tomato fusarium wilt, banana fusarium wilt, banana colletotrichum gloeosporioides and corn root rot. The fumigant developed on the basis of 2-heptanone and used for preventing and treating phytopathogen is expected to be used for preventing and treating compound diseases caused by various pathogenic bacteria, or comprehensively preventing and controlling different crop diseases in a crop rotation system, and has important development value.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +1

Shared fusarium and application thereof

The invention discloses a shared fusarium and application thereof, and belongs to the technical field of plant endophytic fungi. The preservation number of the shared fusarium obtained by separation is CGMCC (China General Microbiological Culture Collection Center) No.41090. It is found through experiments that the strain G3-29 has an excellent inhibition effect on various pathogenic bacteria such as fusarium graminearum, fusarium pseudograminearum, colletotrichum gloeosporioides, sclerotinia sclerotiorum, wheat root rot bihilum and maize bihilum, and has a good application prospect. The strain G3-29 has an obvious promotion effect on wheat growth, and has an obvious biological control effect on wheat scab. In addition, when the strain G3-29 is used for treating elymus dahuricus and corn, the occurrence of elymus dahuricus leaf spot disease and corn leaf spot disease can also be obviously reduced. A new strain resource is provided for prevention and control of gramineous plant diseases, and a theoretical basis is provided for effective prevention and control of various gramineous plant diseases.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI

Bacillus velezensis E17-23 and application thereof

ActiveCN119410552AGood broad-spectrum antibacterial effectpromote growthBiocidePlant growth regulatorsBiotechnologyCitrus volkameriana
The invention relates to the technical field of microbial control, and discloses bacillus velezensis E17-23 and application thereof. The bacillus velezensis E17-23 disclosed by the invention can be used for inhibiting citrus liberobacter asiaticum, citrus canker pathogen, citrus brown spot pathogen, citrus colletotrichum gloeosporioides, citrus lipolytic yellow spot pathogen, banana fusarium wilt pathogen and banana long leaf spot pathogen, and the inhibition effects are all greater than 60%. The inhibition effect of the sterile fermentation filtrate of the bacillus velezensis E17-23 on the pathogenic bacteria is more than 20.83%. The bacillus velezensis E17-23 can also promote plant growth, the average growth amount of treated orange seedlings is increased by 177.57% compared with that of a control group, and the number of new leaves is increased by 208.5% compared with that of the control group. The application of the bacillus velezensis E17-23 in the aspects of biological control and plant growth promotion has important significance in green agriculture and sustainable agricultural production.
Owner:PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI +2

Streptomyces with resistance to banana wilt and growth-promoting effects

The present invention provides a Streptomyces, named: Streptomyces coffeae , preserved in Guangdong Province Microbial Culture Collection Center, with the preservation number of GDMCC No: 64532. The Streptomyces and its fermentation liquid of the present invention have good antibacterial properties against banana wilt No. 4 physiological subspecies, gloeosporium anthracnose, cucumber wilt, banana anthracnose, litchi anthracnose, mango anthracnose, strawberry anthracnose, banana leaf spot pathogen, rice blast pathogen, banana gray spot pathogen, mango leaf blight pathogen, etc., and the antibacterial rate reaches more than 50%. Moreover, the growth of banana seedlings can be effectively promoted under the attack of pathogens, and the product has resistance to multiple antibiotics. The product is a potential biological agent for preventing and treating anthracnose diseases, wilt diseases, etc. and promoting plant growth, etc., and has broad development space and good development and application prospects.
Owner:SANYA RES INST OF CHINESE ACAD OF TROPICAL AGRI +1

Protein capable of inducing plant immune activation function and application of protein in disease control

The invention discloses a protein capable of inducing a plant immune activation function and application of the protein in disease control, the gene sequence of the protein capable of inducing the plant immune activation function is shown as SEQ ID NO: 1, and the amino acid sequence of the protein is shown as SEQ ID NO: 2. According to the invention, a novel plant immune activator protein CgSsp16 secreted by colletotrichum gloeosporioides is identified, can be identified by plants, stimulates a plant immune response mechanism, triggers broad-spectrum resistance of host plants to various pathogens and improves disease resistance of various plants; the compound is expected to be developed into a novel biopesticide to be applied to green and sustainable production of agriculture.
Owner:NANJING FORESTRY UNIV

A new strain of streptomyces antagonizing a broad spectrum of plant pathogenic fungi and its use

The present application provides a kind of streptomyces, named Streptomyces sp., is registered and preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No:65917.The present application also provides fermentation broth of the streptomyces and ethanol extract and crude extract of fermentation broth thereof.The new species of streptomyces and its crude extract and the like of the present application have broad-spectrum antibacterial activity, have good antagonism to many pathogenic bacteria such as banana long-shaped spot fungus and banana anthracnose fungus, and can make banana anthracnose fungus hyphae wrinkle, deform, break, inhibit banana anthracnose fungus spore germination, make banana anthracnose fungus spore germination wrinkle, break, inhibit banana anthracnose fungus growth, and can also improve peroxidase, polyperoxidase, CAT activity and the like in banana peel, is a potential biological agent for preventing and treating anthracnose disease, stem rot disease and the like, has broad development space, and has good development and application prospect.
Owner:HAINAN NORMAL UNIV

Alkaloid Waltherione S analogue as well as synthesis method and application thereof

PendingCN121735835ABiocideOrganic chemistryBiotechnologyDiplodia
The invention provides an alkaloid Waltherione S analogue as well as a synthesis method and application thereof, and relates to the technical field of alkaloid Waltherione compounds. According to the present invention, the structures of the Waltherione A and the Antidesmone are simplified, the pyridine and pyridone alkaloid Waltherione S analogue is designed and synthesized, and the synthesized compound has broad-spectrum bacterial killing activity on banana wilt pathogen, wheat scab pathogen, banana anthracnose pathogen, phytophthora capsici pathogen, botrytis cinerea, rhizoctonia solani, rice blast pathogen, mango stem-end rot pathogen and the like, the compound also has good nematicidal activity on root-knot nematodes, provides a favorable candidate agent for natural, safe and low-toxicity innovative pesticides, and is expected to be applied to agricultural production.
Owner:HAINAN UNIV

Novel methoxyimino acetate derivative containing chloroacetamide structure as well as preparation method and application of novel methoxyimino acetate derivative

The invention discloses a novel methoxyimino acetate derivative containing a chloroacetamide structure as well as a preparation method and application of the novel methoxyimino acetate derivative. According to the invention, a methoxyimino acetate skeleton is used as a leading structure, and different pharmacophores are introduced on the basis of the leading structure, so that a series of novel methoxyimino acetate skeleton derivatives containing a chloroacetamide structure are synthesized. In-vitro tests of the compounds show that the compounds have excellent inhibition effects on plant pathogenic fungi such as fusarium graminearum, eggplant verticillium wilt, mango anthracnose pathogen, alternaria solani, sclerotinia sclerotiorum, muskmelon fusarium wilt pathogen and the like; the methoxyl acrylate derivative pesticide with high activity and novel action mechanism is expected to be developed.
Owner:GUIYANG COLLEGE OF TRADITIONAL CHINESE MEDICINE

Sweet sorghum disease-resistant gene CPK4, protein encoded by the gene and application thereof

PendingCN122357568ABiotechnologyDisease
This invention relates to the field of crop genetics and breeding, and discloses the sweet sorghum disease resistance gene CPK4, its encoded protein, and its applications. The nucleotide sequence of the sweet sorghum disease resistance gene CPK4 is shown in SEQ ID NO.1, or has more than 90% homology with the sequence shown in SEQ ID NO.1 and encodes a protein with a nucleotide sequence that promotes the release of reactive oxygen species (ROS) in plants. By utilizing the CPK4 gene cloned from sweet sorghum, and through the specific interaction between its encoded protein and the NADPH oxidase SbRbohD protein, the ROS signaling pathway induced by pathogens is specifically activated, strengthening the defense response of sweet sorghum against anthracnose. This achieves a targeted enhancement of sweet sorghum's resistance to anthracnose. Furthermore, this gene is specifically induced by the molecular patterns of anthracnose and pathogens, and its disease resistance mechanism differs from existing NLR-mediated immune pathways, enriching the types of sweet sorghum disease resistance gene resources.
Owner:CHINA AGRI UNIV

A carbonyl-containing coupling rigid fragment compound, a preparation method and a sterilization use

The application discloses a kind of compounds with carbonyl coupling rigid fragment and its preparation method and bactericidal purposes.The compound has the structure shown in general formula I.A rigid carbonyl skeleton is constructed by connecting amino-containing 1,2,4-triazole through amide bond, and maleic acid structure and bioactive biological amine fragment are introduced, which are integrated in the same molecular skeleton by carbonyl coupling method.The compound synthesis route is short, the reaction condition is mild, and the yield is high.The biological activity test results show that the compound has broad-spectrum and significant inhibitory activity on rice sheath blight fungus, tomato botrytis cinerea, rice blast fungus, grape anthracnose fungus, oilseed rape sclerotinia sclerotiorum and many other plant pathogenic fungi.The compound has multi-target synergistic mechanism and low risk of drug resistance.
Owner:EAST CHINA UNIV OF SCI & TECH

Pyriformospora indica and uses thereof

The application discloses a pear anthracnose resistance gene MYC2- like and application, and belongs to the field of plant genetic engineering. MYC2‑like The nucleotide sequence of the gene is shown as SEQ ID NO:1, the protein sequence encoded by the gene is shown as SEQ ID NO:2, the gene is significantly up-regulated in response to MeJA and anthracnose fungus induction; the gene is located in the plant cell nucleus and has a conserved bHLH domain; a MYC2‑like MYC2‑like The constructed overexpression vector is used for transforming Solanum lycopersicum callus, so that the resistance of the callus to Colletotrichum gloeosporioides is increased, and the application provides an important gene resource for cultivating pear anthracnose resistance varieties.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Pesticide composition for tea tree diseases as well as preparation method and application of pesticide composition

The invention belongs to the technical field of pesticides, and discloses a pesticide composition for tea tree diseases and a preparation method and application thereof. The pesticide composition is prepared from alpha-ethylidene-phenylacetaldehyde. Tests prove that the alpha-ethylidene-phenylacetaldehyde has an obvious inhibiting effect on the growth of tea anthracnose pathogen hyphae and can be used for preventing and treating tea anthracnose. According to the invention, alpha, alpha-ethylidene-phenylacetaldehyde is used as a synthetic spice for food, it is found for the first time that alpha, alpha-ethylidene-phenylacetaldehyde can be used as a potential disease control agent for control of tea tree diseases, has the characteristics of high efficiency, safety and no pollution, and effectively overcomes the problem of chemical pesticide residues.
Owner:QINGDAO ACAD OF AGRI SCI

A method for preparing a fermentation liquid of Streptomyces hygroscopicus and its application

ActiveCN118813477BBiocideBacteriaBiotechnologyStreptomyces hygroscopicus
The present invention relates to a method for preparing a fermentation liquid of Streptomyces hygroscopicus and its application. The method for preparing a fermentation liquid of Streptomyces hygroscopicus comprises the following steps: inoculating a fermentation medium with a strain named Streptomyces hygroscopicus JN3-4, and fermenting and culturing, wherein the deposit number of Streptomyces hygroscopicus JN3-4 is CGMCC No. 27649. The fermentation liquid prepared by the above method can be used for biological control of pathogenic bacteria such as Aggregative Small Hole Shell Fungus, Red Bean Anthracnose Bacteria, Red Pine Blight Bacteria, Corn Big Spot Bacteria, Tobacco Target Spot Bacteria, Rice Bakanae Bacteria, Melon Vine Cut Bacteria, Pepper Anthracnose Bacteria, Pear Boy's Disk Fruit Rot Bacteria, Cucumber Sclerotinia Bacteria, Blueberry Canker Bacteria, Larch Blight Bacteria, etc., and has the advantages of good biological control effect, wide antibacterial spectrum, wide application range, etc.
Owner:JILIN PROVINCIAL ACADEMY OF FORESTRY SCIENCES JILIN

Cycloalkyl-substituted triazolopyridine amide compounds, methods of making and using the same

The application provides a cycloalkyl-substituted triazolopyridine amide compound and a preparation method and application thereof, and belongs to the technical field of pesticides. The cycloalkyl-substituted triazolopyridine amide compound provided by the application introduces an unsubstituted or substituted cyclohexyl group or an unsubstituted or substituted cyclopentyl group on a triazole ring, has excellent inhibitory effect on pepper Phytophthora capsici Leonian, and has an EC 50 as low as 0.3 micromole / L; and the cycloalkyl-substituted triazolopyridine amide compound and derivatives thereof also have broad-spectrum inhibitory activity on rice Helminthosporium leaf spot fungus, wheat Helminthosporium leaf spot fungus, brassica sclerotinia, wheat Gibberella zeae, wheat take-all fungus, tomato botrytis cinerea, potato late blight fungus, pepper Phytophthora capsici Leonian, tomato early blight fungus, rice bacterial wilt fungus, potato dry rot fungus, cucumber anthracnose fungus and rice rice blast fungus, and have a good application prospect in the preparation of anti-plant pathogenic fungus drugs.
Owner:GUIZHOU UNIV