474 results about "Fungus Diseases" patented technology

The invention discloses Bacillus subtilis, which is named Bacillus subtilis. The Bacillus subtilis was collected in China General Microbiological Culture Collection Center on January 15th, 2009, with a collection number of CGMCC No.2843. The Bacillus subtilis strain disclosed by the invention is screened from tobacco leaf habitats. Experiments prove that the fermentation liquor of the strain has a strong inhibition effect on fungal pathogens such as Alternaria alternate and pepper anthracnose and demonstrates high prevention effect on Alternaria alternate, tobacco black shank, pepper anthracnose, tomato wilt, phytophthora melonis Katsura, verticillium dahlia and the like and has high growth promoting effects on tobacco, pepper, cucumber, tomato and eggplant. Therefore, the Bacillus subtilis disclosed by the invention can be used for preparing biological bactericides for preventing and controlling fungi in tobacco and vegetables and can be used for preparing growth promoting agents for promoting the growth of tobacco or vegetables.

This invention relates to a synergistic combination of a triazole fungicide and glyphosate herbicide, or derivatives thereof, as well as methods of using the synergistic combination to control fungal disease in a glyphosate-resistant plant.

The present invention relates to the field of plant breeding. More specifically, the present invention includes a method of using haploid plants for genetic mapping of traits such as disease resistance. Further, the invention includes a method for breeding corn plants containing quantitative trait loci (QTL) that are associated with resistance to Gray Leaf Spot (GLS), a fungal disease associated with Cercospora spp. The invention further includes a method for breeding corn plants containing QTL that are associated with Goss' Wilt, a bacterial disease associated with Clavibacter michiganense spp.

The invention relates to broad-spectrum compound microbial bacteria for preventing and treating vegetable fungal diseases, and belongs to the technical field of agricultural biological prevention and treatment. The broad-spectrum compound microbial bacteria is compounded from four microorganisms, namely bacillus subtilis BSD-2 ((i) Bacillus subtilis), brevibacillus brevis ch2 ((i) Brevibacillus brevis), bacillus amyloliquefaciens Y10 ((i) bacillus amyloliquefaciens) and paenibacillus polymyxa Y89 ((i) Paenibacillus polymyxa) according to a certain ratio. By adopting the compound bacteria, the vegetable fungal diseases of a greenhouse or a large field, for example, botrytis, leaf mold, downy mildew, powdery mildew, blight and the like can be effectively prevented and treated, the field efficacy can be up to over 70%, the yield is increased by 5-20%, and the broad-spectrum compound microbial bacteria are significant in economic, social and ecological benefits, and have broad popularization and application prospects.

The invention relates to derivatives containing 2, 5- substituted heterocyclic radical sulphone and a synthesis method and application thereof, and provides compounds which can prevent soil-borne diseases and diseases caused by migration, namely the derivatives containing 2, 5-substituted heterocyclic radical sulphone. The derivatives can be expressed by the following general expression shown in the specification, wherein the Z, X and R are defined in the specification. Parts of the compounds have good inhibition activity for the soil-borne diseases, the diseases caused by migration and otherfungus diseases. When the drug concentration reaches 50ppm, the inhibition ratio of a compound I-5 for fusarium graminearum, fusarium oxysporum f.sp.capsicum and cytospora mandshurica is 100%, 99.9% and 100% respectively, thus showing a preferable activity in preventing plant diseases.

The invention relates to a high-efficiency Trichoderma harzianum strain for controlling plant fungus diseases and promoting plant growth. The Trichoderma harzianum strain has been collected at the China General Microbiological Culture Collection Center, and the collection number is CGMCC No.7230. The Trichoderma harzianum strain provided by the invention has the advantages of high capacity for inhibiting plant pathogenic fungus growth, no environment pollution and high ecological safety, can be widely used for controlling plant pathogenic fungi, especially Pythium spp., Fusarium spp. and Botrytis cinerea, and has high application value in biological control on melons, fruits, vegetables and crops. The high-efficiency Trichoderma harzianum strain can be used independently, or used together with other organic and inorganic nutrients required by plant growth; and the prepared biological compound fertilizer has obvious effects on promoting growth, inhibiting premature senility, preventing diseases, increasing yield and improving quality.

The invention discloses application of psoralen as an agricultural disinfectant or pesticide. The psoralen serving as the pesticide is used for preventing and controlling lepidopterous and homopterous insects, and the psoralen serving as the disinfectant is used for preventing and controlling agricultural fungus diseases and particularly has obvious preventing and controlling effects on sclerotinia rot of colza, cucumber fusarium wilt, rice sheath blight, wheat scab and wheat sharp eyespot. The psoralen serving as the agricultural disinfectant and pesticide is characterized by good effect, broad spectrum, low toxicity, no residue, environmental friendliness and no public hazard, and is particularly favorable for environmental protection.

The invention discloses a kind of 1-substituted-5-trifluoromethyl-4-pyrazol-1,3,4-oxadiazole thioether or sulfone derivatives and application of the derivatives. The derivatives have the structures represented by general formulae A and B shown in the specification. 1-substituted-5-trifluoromethyl-4-pyrazol-1,3,4-oxadiazole compounds are synthesized from ethyl trifluoroacetoacetate by the following five reactions: esterification, ring closure, hydrazinolysis, ring closure and substitution. The compounds have certain inhibition effects to plant bacterial diseases or plant fungous diseases and can be used as pesticides and pesticide additives for preventing and controlling the plant bacterial diseases or the plant fungous diseases.

The invention discloses a bacillus amyloliquefaciens YJ01 which is preserved in China General Microbiological Culture Collection (CGMCC) center of China Committee for Culture Collection of Microorganisms and the preservation number of the bacillus amyloliquefaciens is CGMCCNO.7328. The bacillus amyloliquefaciens is mainly used for preventing and treating a fungal disease of a wine-brewing grape. The bacillus amyloliquefaciens YJ01 can metabolize out antibacterial substances iturin A and surfactin, thereby playing an obvious role in inhibiting various pathogenic fungi of the wine-brewing grape. The bacillus amyloliquefaciens has the advantages of being high in culture proliferation speed, capable of being cultured artificially, easy to operate, convenient to produce and apply, strong in adversity resisting capability, and the like; and the bacillus amyloliquefaciens has significance for preventing and treating diseases such as gray mold, white rot and anthracnose of wine-brewing grape caused by fungi, and is simple in culturing conditions, easy to preserve and easy to produce industrially, thereby having good development and application prospect.

The invention relates to the field of biotechnology, in particular to application of alternaria alternate metabolic products in cucumber rhizoctonia solani prevention and control. In the invention, endophytic fungus of camphor trees is separated from camphor tree living bodies collected from Tianmu mountain in Hangzhou, Zhejiang province by adopting endophytic fungus separation technology, and isnamed alternaria alternata 31 through microbial taxonomy identification, and the strain is stored in China General Microbiological Culture Collector Center (CGMCCC) on December 31, 2010, and the collection register number is CGMCC No.4508. The invention has a most obvious characteristic that the strain liquid can be fermented to produce active metabolic products which have inhibiting effect on pathogenic bacteria of plant fungus diseases such as Rhizoctonia solani, Fusarium oxysporium, Botrytis cinerea and the like, thus alternaria alternate is an important microbial resource in agriculture.

The invention provides a hyperspectrum-based method for creating a growth curve of rot funguses in a fruit, and belongs to nondestructive technology of food quality safety quick detection and monitoring. Hyperspectral images of the funguses at different growth stages can be acquired respectively through a hyperspectral imager, so as to analyze difference between images of different types of funguses at different stages and a spectrum, extracting corresponding images and corresponding spectrum characteristic parameters, and respectively creating the growth models of three types of funguses. Compared with the fungus growth conditions obtained through the conventional microbe growth detection manner, the related coefficient ranges from 0.88 to 0.96. The method provides a new concept and a new technology for growth detection of microbes in the foods, can be used for creating a fungus growth curve more conveniently and faster, and can be used for detecting, monitoring and controlling fruit rot fungus diseases.

The invention relates to a biocontrol microorganism of wide spectrum antagonistic plant pathogenic fungi and application thereof, belonging to the technical field of microbial pesticides. The biocontrol microorganism is a Bacillus methylotrophicus Mo-Bm strain preserved in a CGMCC (China General Microbiological Culture Collection Center) on 12th October 2010 with a preservation number of CGMCC No.4207. A 16S rRNA gene sequence (with a sequence number of HQ325853 in a GeneBank database) of the Mo-Bm strain is a main characteristic basis for identifying the strain; and the Mo-Bm strain can resist 0.5-2 percent (V/V) carbinol, and is a secondary characteristic basis. The microorganism and metabolins thereof are prepared into a Mo-Bm wettable powder biocontrol anti-bacteria agent together with pesticide conventional absorption carriers and aids. The microorganism has a control effect of above 70 percent on tobacco black shank, cruciferclubroot and pseudo-ginseng root rot. The biocontrol microorganism has the characteristics of low cost, high control effect, no residue and safety to people and livestock, and is an efficient biological pesticide for controlling fungus diseases during organic agriculture planting.

The invention provides a pesticide composition containing ningnanmycin. The pesticide composition also contains two ningnanmycin analogs which can effectively prevent and control plant virus diseases, fungus diseases and bacteria diseases separately and together. In addition, the invention also provides a preparation method for the pesticide composition, a prepared pesticide preparation and application of the ningnanmycin analogs and the like.

The invention relates to an antagonistic bacterium for preventing the fungal diseases of broccoli as well as a preparation method and the application of a microbial preparation of the antagonistic bacterium, and belongs to the field of biological prevention and treatment of crop diseases. The invention provides a strain of brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622, a production method of a microbial preparation containing the brevibacillus brevis, and also the application of the brevibacillus brevis BBC-3 or the microbial preparation in preventing and treating the fungal diseases of the broccoli. The brevibacillus brevis BBC-3 with the collection number CGMCC No. 9622 is obtained by virtue of preliminary screening and secondary screening, wherein a plate opposing test is performed for the preliminary screening and a liquid fermentation liquid is adopted for the secondary screening; the brevibacillus brevis BBC-3 is capable of effectively preventing and treating a plurality of fungal diseases of the broccoli, such as gray mold, downy mildew, stalk break, black rot and black spot, and has the prevention and treatment efficiency of above 70%; in addition, the brevibacillus brevis BBC-3 is good in environmental safety and has excellent development application prospect.

The invention discloses trichoderma solid granules for preventing and controlling tobacco soil-borne fungus diseases and a preparation method thereof, and aims to provide an effective, nontoxic, safe and residue-free bio-control microbial inoculum which is simple and convenient to use. The strain for producing the microbial inoculum is trichoderma harzianum TR13 with a preserving number of CGMCC No.2849. The preparation method comprises: (1) rejuvenescence of the strain; (2) preparation of the strain; (3) fermentation culture of a liquid; (4) fermentation culture of a solid; and (5) preparation.

The invention relates to Bacillus subtilis BC-198, and a selenium-rich microbial inoculum and application thereof. The collection number of the Bacillus subtilis BC-198 is CCTCC No.M2012321. The invention also provides a composite microbial inoculum of which the effective ingredients are the Bacillus subtilis BC-198 and Azotobacter chroococcum AS1.212. The preparation method of the selenium-rich microbial inoculum provided by the invention can utilize the existing universal fermentation plant, is simple to operate and has the advantage of low manufacturing cost; the prepared product has multiple functions of nitrogen fixation, growth promotion, fungus disease control and the like for crops; and after being applied to the crops, the selenium-rich microbial inoculum can increase the yield, improve the quality of the agricultural product, and enhance the selenium content in the agricultural product by more than 20 times, so that the agricultural product reaches the selenium-rich product quality standard.

The invention discloses a Lilium regale Wilson WRKY transcription factor gene LrWRKY11. The Lilium regale Wilson WRKY transcription factor gene LrWRKY11 has a nucleotide sequence shown as SEQ ID NO: 1, and encodes a protein having an amino acid sequences shown as SEQ ID NO: 2. According to the invention, genomic studies have confirmed that the LrWRKY11 gene can improve anti-fungal functions of plants. Being constructed onto a plant expression vector and transferred into tobacco so as to be subjected to overexpression, the anti-fungal LrWRKY11 gene disclosed by the invention is capable of endowing the transgenic tobacco with very strong resistance to fungal pathogens. Experimental results have shown that transgenic tobacco with overexpression of the LrWRKY11 gene has very high level of resistance to infection of Nigrospora oryzae, Fusarium verticillioides, Botryosphaeria dothidea, Fusarium solani and Alternaria panax.

The invention relates to a peanut growing control medical fertilizer wettable powder and a method for controlling growth and increasing yield of peanut plants, wherein the peanut growing control medical fertilizer wettable powder comprises plant growth regulator adjustable ring acid calcium, brassinolide, bactericide azoxystrobin, macroelement water-soluble fertilizers, microelements and assistants. The peanut growing control medical fertilizer wettable powder and the method for controlling growth and increasing yield of the peanut plants solve a premature aging phenomenon of peanuts because a large amount of growth control agents such as paclobutrazol are used, effectively prevent and control fungal diseases such as leaf spot diseases and the like and supplies nutrient substances required by legumes, and achieves to solve many problems by spraying at one time. Stem leaves are sprayed with the peanut growing control medical fertilizer wettable powder in full-bloom stages and legumes stages, thereby increasing yield 15%-20%. The peanut growing control medical fertilizer wettable powder and the method for controlling growth and increasing yield of the peanut plants are simple to prepare, save labor in operation, are obvious to control growth and increase yield, and are suitable for industrial production and application.

The invention discloses an antimicrobial peptide XYZ-1. The antimicrobial peptide XYZ-1 is a straight-chain peptide, and contains 19 amino acid residues, the molecular weight is 2288.81Da, the isoelectric point is 10.83, and the amino acid sequence of the antimicrobial peptide XYZ-1 is arginine-glycine-glycine-arginine-leucine-cysteine-tyrosine-cysteine-arginine-arginine-arginine-proline-cysteine-valine-cysteine-valine-glycine-arginine-lysine (SEQ ID NO.1). The antimicrobial peptide XYZ-1 disclosed by the invention does not produce hemolysis, the antimicrobial spectrum is wide, the antimicrobial peptide XYZ-1 has a highly effective antimicrobial effect on gram-positive bacteria, gram-negative bacteria and fungi, and therefore can be applied perfectly in the preparation of drugs for treating gram-positive bacterium, gram-negative bacterium or/and fungus disease infections, the clinical application effect of the antimicrobial peptide XYZ-1 is better, and moreover, the antimicrobial peptide XYZ-1 can also be used in the preparation of feed additives or food additives.

The invention relates to the technical field of microorganisms. The camphor tree endophytic fungi disclosed by the invention is separated from a camphor tree plant living body collected in the Tianmu Mountain in Hangzhou city of Zhejiang province through use of an endophytic fungus microorganism separation technology and is called after Alternaria alternata 31 through microbial taxonomic identification; and the strain is preserved in the General Microorganism Centre of China Microorganism Strain Preservation Management Committee on December the 31st, 2010 and has a preservation registered number of CGMCC No.4508. The strain liquid is obviously characterized by generating an active metabolic product which has the inhibiting effect on plant fungus disease pathogens, such as cucumber rhizoctonia solani, watermelon fusarium oxysporium and tomato botrytis cinerea, and the like through fermenting and is an important microbial resource in agriculture.