148 results about "Cladosporium cucumerinum" patented technology

The invention relates to a strain of lys-starch bacillus as well its application. The bacterium is separated from the soil on eggplant fields, anning district, Lanzhou, Gansu. The bacterium is identified to be Bacillus amyloliquefaciens. It's preserved in the Chinese typical culture preserving center (CCTCC) with a preserving name of Bacillus amyloliquefaciens I7 and preserving code of M206027. The broth of M206027 and M206027strain, non-cell culture fluid of M206027 strain's broth, and the monomer extracted from the M206027strain, M206027 broth or its non-cell culture fluid can be used in the biological control of peach anthracnose bacterium, pear nigrities artis bacterium, apple brown rot bacterium, Fusarium acuminatum, Fusarium oxysporum, Fusarium semitectum, chilli black rot bacterium, cucumber blight bacterium, tomato early blight bacterium, eggplant early blight bacterium, dry thread Pyrenomycetes, wheat foot rot bacterium, potato thread Pyrenomycetes, potato early blight bacterium, potato late blight bacterium and watermelon downy mildew bacterium. It's easy to get the material of the invention and easy to operate; besides, it can be widely used in full scale production.

The invention belongs to the field of biotechnology, and discloses a paenibacillus polymyxa NSY50 which is preserved in the China General Microbiological Culture Collection Center on March 8, 2016 and has a preservation number of CGMCC NO. 12189. The invention also discloses a microbial inoculum containing the paenibacillus polymyxa NSY50. The strain disclosed by the invention can be used for synthesizing IAA, can generate protease and cellulase, has activity of ACC desaminase, and has a relatively good inhibitory effect on various plant pathogens of fusarium oxysporum f.sp.cucumberinu, didymella bryoniae, fusarium graminearum, ralstonia solanacearum and the like. A greenhouse experiment shows that the microbial inoculum prepared by using the strain can significantly promote the growth of cucumber seedlings and reduce the incidence of fusarium wilt of cucumber, and by adopting a bio-control microbial inoculum prepared by adopting the strain to perform root irrigation during transplantation, the bio-control effect on the fusarium wilt of cucumber under a room temperature condition reaches 75.90-82.83%.

The invention discloses a bactericidal composite containing metconazole and methoxy acrylate compounds, which comprises A and B, wherein A is metconazole, and B is selected from any one of the following bactericides: azoxystrobin, ethofenprox, benzol ethofenprox, pyrazol ethofenprox, and olefinic trifloxystrobin, and weigh part ratio of A to B is 1-80:180. The bactericidal composite can be used for controlling various diseases, has obvious synergy, widens bactericidal spectrum and has higher activity to downy mildew, epidemic disease, anthracnose, powdery mildew, alternaria leaf spot, leaf spot, cladosporium cucumerinum, rice blast and other diseases, can reduce the dosage of pesticides and residual amount of pesticides on crops and lower environment pollution.

The invention discloses a bactericidal composition containing trifloxystrobin and triazole, which comprises the following active ingredients: trifloxystrobin and one of imidazole, epoxiconazole, ipconazole, tricyclazole and myclobutanil which serve as triazole compounds, wherein a weight ratio of the trifloxystrobin to the triazole compounds ranges from 60:1 to 1:60. The pesticidal composition at least contains one surfactant, so that the active ingredients are easy to disperse in water during application. The bactericidal composition has the activity of protection, control and eradication, and can be used for preventing and controlling various diseases such as downy mildew, rust diseases, powdery mildew, leaf spot, cladosporium cucumerinum, rice blast and the like in various crops such as wheat, paddy, vegetables, fruits and trees and the like.

The invention discloses a disease-prevention and growth-promoting Trichoderma harzianum and an application thereof. The strain number of the Trichoderma harzianum is TM2-4, which is registered in theGeneral Microbiology Center of China Microbial Culture Collection Management Committee as CGMCC No. 15881. The Trichoderma harzianum M2-4 can inhibit Botrytis cinerea, Prunus persica, Colletotrichum gloeosporioides and Fusarium oxysporum f. Sp. Cucumerinum on fruits and vegetables, and has good control effect on tomato gray mold in vitro and can promote the germination of tomato seeds and the growth of tomato plants. The Trichoderma harzianum TM2-4 has indoleacetic acid (IAA)-producing activity, ferrophilic activity, glucanase and chitinase-producing activity. The Trichoderma harzianum TM2-4 has high breeding speed and can be cultured artificially, and the culture condition is simple, and the spore production is up to 3.2 * 109 cfu/g on the solid fermentation medium of wheat bran and corncob nutrient solution.

The invention relates to a botanical essential oil for the control of plant pathogenic fungus and a preparation method thereof. The essential oil of the invention is extracted from star aniseseen fruits and contains 29 main ingredients through gas chromatography-mass spectrometry analysis, wherein, trans-anethole accounts for 83.483 percent. The invention first confirms that the trans-anethole is the main antibacterial active ingredient in the essential oil from the star aniseseen as well as the essential oil from the star aniseseen and the trans-anethole thereof has significant inhibition activity for a plurality of plant pathogenic fungus such as early blight of tomato, stem end rot of mango, corn leaf blight, wheat scab, cucumber fusarium wilt, tomato fusarium wilt, cotton fusarium wilt, rice blast fungus, pythium aphani-dermatum, wheat sheath blight, rice sheath blight, etc. and can control plant diseases.

The invention relates to a fungicide composite containing tricyclazole and hexaconazole; the effective active ingredients of the fungicide composite are as follows: tricyclazole and hexaconazole, wherein the weight ratio of the tricyclazole and the hexaconazole is 5-80:40-1; auxiliaries and excipients are added in the effective active ingredients to prepare wettable powder, water dispersible granules, suspending agent, water emulsion or microemulsion, and the fungicide composite is mainly used for preventing powdery mildew, anthracnose, cladosporium cucumerinum and rice blast.

The invention relates to a sterilization composite in the field of pesticide compounding, which is formed by compounding the active ingredient of the fluopyram and the sterilization active ingredient selected from any one of the propineb, the azoxystrobin and the methyl as the active ingredient. The weight percentage of the two active ingredients is 70-1:10-90, and the preferred weight percentage is 40-1:25-60. The weight percentage of the active ingredients of the sterilization composite is 1 to 90%, the preferred weight percentage is 15 to 70%, and the balance of the allowed and acceptable auxiliary ingredients in pesticide. The sterilization composite can be prepared into the emulsion, the micro emulsion, the emulsifiable concentrate, the suspending agent, the wettable powder and the water dispersible granule according to the existing methods. The sterilization composite of the invention is mainly used in the prevention and the cure of the diseases of the powdery mildew, the downy mildew, the rust disease, the leaf fungal diseases, the cladosporium cucumerinum, the rot and the like of the vegetables, the grains such as the wheat and the like, and the fruit trees caused by the germs.

The invention provides a cyazofamid-containing bactericidal composition, which comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is cyazofamid; and the active ingredient B is selected from one of carbendazim, ethylicin and iprodione. The bactericidal composition comprises the following components in percentage by weight: 1 to 40 percent of cyazofamid serving as the active ingredient A, 1 to 80 percent of active ingredient B and the balance of aid and excipient. The cyazofamid-containing bactericidal composition is used for preventing and controlling various diseases such as downy mildew, epidemic disease, alternaria leaf spot, anthracnose, cladosporium cucumerinum, botrytis, powdery mildew and leaf spot and has remarkable synergistic effect.

The invention provides a biological pesticide by using psoralidin to control plant fungous disease. The invention relates to a plant used biological pesticide, in particular to biological pesticide by using psoralidin to control plant fungous disease. Compound is dried Guzhi seed 5Kg. The compound is quenched and extracted four times by using 70 percent of industrial ethanol. After lixivium is decompressed and condensed, ethanol extract is gained. Water is added and mixed with the ethanol extract. Mixture is extracted by using petroleum ether and ethyl acetate in turn. 100g of ethyl acetate extraction part extract is taken, and processed chromatography over again by silica gel column, and processed gradient elution by petroleum ether-ethyl acetate and are separated, and then psoralidin (50mg) is gained (the ratio between the petroleum ether and ethyl acetate is 4 to 1). The invention can restrain common plant pathogen, like apple decay pathogen, apple macrophoma kawatsukai, pyricularia grisea, rice sheath blight fungus, cucumber fusarium wilt, wheat scab pathogen, cucumber anthracnose, phytophthora parasitica and so on.

The invention relates to a sterilization composition which contains the following effective ingredients in percentage by weight: 10-80% of dithianon and 70-1% of tebuconazole. Dispersing agent, wetting agent, disintegrating agent, cementing agent, thickening agent, anti-freeze agent, anti-foaming agent, and filling or deionized water are added to the composition to prepare water dispersible granules, wetting powder and suspending agent. The invention not only enlarges the anti-fungal spectrum of each effective ingredient, but also improves the biological activity of the effective ingredients. Experiments prove that the sterilization composition has better preventing and curing effects on diseases of various fruit trees and vegetables. The sterilization composition is especially suitable for preventing and curing alternaria leaf spot, leafspot, cladosporium cucumerinum and downy mildew, has no chemical injury to crops and has small pollution to environment.

The invention relates to a disinfection composite containing thifluzamide and difenoconazole, in particular to a disinfection composite by taking thifluzamide and difenoconazole as effective ingredients; the disinfection composite is mainly used for disease control such as preventing banded sclerotial blight of rice and leaf spot, powdery mildew, rust disease and Cladosporium cucumerinum and the like of various vegetables and fruit trees; the disinfection composite contains the thifluzamide and the difenoconazole as effective ingredients, and the mass proportion of the thifluzamide and the difenoconazole is from 1:50 to 50:1; the disinfection composite has the advantages that: firstly, after the thifluzamide and the difenoconazole are mixed, the disinfection effect is improved and the dosage is reduced; secondly, after the thifluzamide and the difenoconazole are mixed, disinfection spectrum is expanded and the advantages of the drug characteristics are complemented with each other, one kind of the drug can prevent various crop pests, so as to be convenient for farmers to use; thirdly, after the thifluzamide and the difenoconazole are mixed, the resistance of pathogenic bacteria to drugs is prolonged, thereby having important significance to disease resistance and comprehensive treatment.

The invention relates to a sterilization composition containing cyazofamid and benzotriazole compounds. The sterilization composition comprises the following components in percentage by weight: 1-50% of active component A and 1-50% of active component B, wherein the active component A is selected from cyazofamid; the active component B is one of tebuconazole, imibenconazole, bitertanol, ipconazole, metconazole, triticonazole, fenbuconazole and difenoconazole; and the effective active components are added into an auxiliary material and an excipient to prepare wettable powder, water dispersible granules, suspension or suspending agent for preventing and controlling crop downy mildew, epidemic diseases, powdery mildew, leafspot, cladosporium cucumerinum and anthracnose. The sterilization composition resists rainwater swashing and has a remarkable synergic effect.

The invention discloses an antibacterial composition containing polyoxin and a methoxyacrylate compound, in particular to an antibacterial composition containing an active ingredient A and an active ingredient B. The active ingredient A is polyoxin, the active ingredient B may be an azoxystrobin bactericide, a kresoxim-methyl bactericide, an (E)-2-[2-(2,5-dimethylphenoxymethyl)-phenyl]-3-methoxymethylmethoxyacrylate bactericide, a pyraclostrobin bactericide or an enestroburin bactericide, the weight part ratio of the active ingredient A to the active ingredient B is 1:72-72:1. The antibacterial composition can prevent and control various diseases in crops, has an obvious synergetic effect, enlarges an antibacterial spectrum, and has high activity for diseases such as downy mildew, epidemic diseases, anthracnose, powdery mildew, alternaria leaf spot, leafspot, cladosporium cucumerinum and rice blast; and the composition helps to reduce pesticide dose and the residual pesticide on crops and relieve environment pollution.

The invention relates to a sterilization composition containing pyrimethanil and methoxy acrylate compounds. The composition includes an active component A and an active component B, wherein the active component A is selected from pyrimethanil, the active component B is one selected from kresoxim-methyl, pyraclostrobin, trifloxystrobin and fluoxastrobin, and the weight ratio of the active component A to the active component B is 1:80-80:1. The above effective active components are added to corresponding assistants to prepare a wettable pulvis, a water dispersible granule, a suspension agent, a suspension emulsion, an emulsion in water and a microemulsion which are used for controlling gray mold, powdery mildew, Cladosporium cucumerinum, downy mildew, rice blast, the rust disease, anthracnose, bacterial wilt, Rhizoctonia solani, leaf spot, the eqpidemic disease and brown patch, can tolerate rain wash and have an obvious synergistic effect.

The invention provides actinomycetes which is streptomyces samsunensis XJC-2-6, and the preservation number is CCTCC NO:M 2017620. The streptomyces samsunensis XJC-2-6 provided by the invention has anantagonism on fusarium oxysporum f.sp cubense No. 4, curvularia fallax, curvularia lunata, btoryosphaeria dothidea, colletotrichum acutatum, colletotrichum gloeosporioides, colletotrichum fragariae,botrytis cinerea, fusarium oxysporum (schl.) f.sp cucumerinum owen, colletotrichum acutatum, pyricularia oryae cav, fusahum graminearum sehw, botryosphaeria dothidea and the like, has wide developmentspace on prevention and treatment of Panama disease of banana, microscler streak disease of banana, large grey speck disease of banana, tree canker of banana, anthracnose of pepper, anthracnose caused by colletotrichum gloeosporioides, anthracnose of strawberry, disease caused by botrytis cinerea, fusarium wilt of cucumber, anthracnose of mango, rice blast, wheat scab, ring rot of apple and the like, and has very good development and application prospects.

The present invention discloses actinomycetes having a Phytophthora melonis inhibition effect, and a screening method thereof, wherein the actinomycetes are a Streptomyces virginiae X54 strain with a preservation number of CGMCC No.10042, and are preserved in the China General Microbiological Culture Collection Center. According to the present invention, the actinomycetes do not produce pathogenicity to humans and animals, are antagonistic actinomycetes capable of preventing and controlling Phytophthora melonis in a safe, non-toxic and effective manner, provide a certain inhibition effect for hot pepper anthracnose bacteria, tobacco black shank bacteria, rice sheath blight disease bacteria, wheat scab bacteria, citrus anthracnose bacteria, and cucumber fusarium wilt bacteria, and especially provide great development potential in prevention and control of cucumber blight.

The invention discloses aspergillus tubingensis with disease prevention and growth promoting functions as well as preparation and an application of aspergillus tubingensis metabolites. The bacterial strain No. of aspergillus tubingensis is QF05, and the registration No. of aspergillus tubingensis in CGMCC (China general microbiological culture collection center) is CGMCC No.13563. Aspergillus tubingensis QF05 has an inhibition function on botrytis cinerea, colletotrichum capsici, fusarium wilt of cucumbers, alternaria solani and pseudomonas syringae pv.lachrymans. Sterile fermentation filtrate of aspergillus tubingensis QF05 can remarkably increase the germination rate of pepper seeds and promote elongation of radicle. Aspergillus tubingensis QF05 metabolites containing bacteria effectively promote growth of true leaves of cucumbers and effectively increase the plant height and the yield of the cucumbers.

The invention relates to a bactericidal composition containing polyoxin and a triazole compound. The composition comprises an active ingredient A and an active ingredient B, wherein the weight ratio of the active ingredient A to the active ingredient B is (64:1)-(1:64); the active ingredient B is one of flusilazole, propiconazol, myclobutanil, penconazole, tricyclazole, ipconazole, triticonazole and tetraconazole; and the composition is prepared into wettable powder or water dispersible granules. The bactericidal composition is used for preventing and controlling powdery mildew, rust disease, leaf mold, gray mold, downy mildew, epidemic disease, alternaria leaf spot, cladosporium cucumerinum, leaf spot, rice blast, sheath blight and the like.

The invention discloses streptomyces strains and joint application thereof in prevention and treatment of cucumber fusarium wilt and relates to the technical field of microbes. Actinomycetes disclosed by the invention are obtained by separation from soil samples collected from rhizospheres of plants in Xixi Wetland, Zhejiang by adopting an actinomycetes separation technology, identified by microbial taxonomy and named as Streptomycesalbus 2013 and Streptomycestenebrarius M929, wherein S. albus 2013 was collected in China Center for Type Culture Collection on June 19, 2013 with the collection number of CCTCC NO: M2013269; and S. tenebrarius M929 was collected in China Center for Type Culture Collection on December 25, 2013 with the collection number of CCTCC NO: M2013710. The two strains can be fermented to produce active substances with relatively strong antagonistic effect against the cucumber fusarium wilt (Fusariumoxysporumf. sp. cucumebrium) and can be used for preventing and treating the cucumber fusarium wilt. When fermentation products of the two strains are mixed according to the ratio in percentage by weight of (3:2)-(1:1) to prepare a mixed preparation, the effect of preventing and treating pathogenic bacteria of the cucumber fusarium wilt is more significant than that when each of the two strains is used as a single preparation respectively.

The invention discloses a LAMP primer composition for detecting fusarium wilt of cucumbers (Fusarium oxysporum f. sp. cucumerinum) and application of the LAMP primer composition. The LAMP primer composition for detecting fusarium wilt of cucumbers consists of a pair of outer side primers F3/B3 and a pair of inner side primers FIP/BIP. The invention further provides a LAMP detecting method for fusarium wilt of cucumbers by using the primers. The method comprises the following specific steps: (1) extracting a to-be-detected sample genome DNA; (2) establishing a LAMP reaction system; and (3) detecting results. The LAMP reaction system is implemented at the isothermal condition of 63 DEG C, and the fusarium wilt of cucumbers can be rapidly, conveniently and efficiently detected at high specificity and high sensitivity by incubation for 1 hour. A complex instrument is not required, field detection on the fusarium wilt of cucumbers can be met well, the LAMP primer composition for detecting the fusarium wilt of cucumbers can be used for early diagnosis of field diseases and monitoring and identifying of germs, and a reliable technology and theoretical basis are provided for prevention and treatment of the fusarium wilt of cucumbers.

The invention discloses streptomyces deccanensis QY-3 and application thereof. The Latin name of the strain is streptomyces deccanensis, the number of the strain is QY-3, the strain is collected in CGMCC (China General Microbiological Culture Collection Center), and the collection number is CGMCC No.14467. The streptomyces deccanensis QY-3 disclosed by the invention has broad-spectrum activity forresisting to plant pathogenic fungi, has obvious inhibition effects on plant pathogenic fungi such as colletotrichum gloeosporioides, colletotrichum musae, banana fusarium oxysporum, fusarium graminerum, cucumber fusarium wilt, dragon fruit fusarium, dragon fruit rot pathogens, physalospora piricola, phomopsis mangiferae or guava pestalotiopsis, and especially has good prevention and treatment effects on colletotrichum gloeosporioides of rubber trees, so that the streptomyces deccanensis QY-3 is bio-control actinomyces strain with great development potential.