315 results about "Validamycin" patented technology

The invention provides a Pseudomonas.chlororaphis subsp.Aurantiaca Pa40, preservation number of which is CGMCCNo.2764. The strain generates HCN, prolease and siderophore relative to antibacterium and has plate board inhibition effect on a majority of tested plant pathogenic fungi and a part of tested plant pathogenic bacteria. Control effect of the biocontrol strain Pa40 on rhizoctonia solani is detected by taking wheat as an indicator plant on the plate, in the greenhouses and in the fields; a result shows that the control effects of the Pa40 on the rhizoctonia solani on the plate bed, in the greenhouse and in the fields are respectively 53.97%, 68.10% and 72.46%; wherein the control effects on the rhizoctonia solani in the greenhouses and fields are higher than that of validamycin.

The invention discloses a compound of a Paenibacillus polymyxa and a validamycin used for controlling a rice sheath blight disease and is characterized in that the invention is a pesticide compound formed by mixing the Paenibacillus polymyxa and the validamycin with a weight percentage that the Paenibacillus polymyxa to the validamycin is equal to 1: 0.01 to 100; a formulation of the invention can be processed into water aqua, powder or suspending agent. As the mechanisms of action of the two biological pesticides are not the same, the invention draws the strong points to offset the weak points through a mode of mixing and preparing according to a certain proportion and is used for controlling the rice sheath blight disease which can exert cooperative actions of the two, improve the controlling effect and greatly reduce the dosage and retard the fastness of harmful bacteria.

A film-spreading oil agent capable of preventing and curing rice banded sclerotial blight comprises the following components by weight percent: 10-60 percent of effective component, 3-85 percent of additive, 0-70 percent of filling material, 5-14 percent of water surface diffusant, and 0-10 percent of water, wherein the effective component is one or the combination of any one selected from difenoconazole, propiconazole, hexaconazole, epoxiconazole, tricyclazole, tebuconazole, kresoxim-methyl, azoxystrobin, trifloxystrobin, enestroburin, thifluzamide, validamycin, and prochloraz, and the weight ratio of the two effective components under two ways is (1:10)-(10:1). The oil agent has the technical effects that the effect of preventing and curing the rice banded sclerotial blight is improved, the operation is simple, labor and time are saved, no harm is caused for human body, and no pollution is caused for the ambient condition when the oil agent is applied; moreover, the utilization ratio of the effective component is improved, the labor intensity is reduced, the labor is saved, and the agricultural production cost is reduced.

The invention relates to a compound pesticide for protecting and curing rice sheath blight, which belongs to the technical field of compound pesticides. The compound pesticide is characterized by containing 0.15-25 percent of thifluzamide and 1-50 percent of validamycin. The compound pesticide for protecting and curing the rice sheath blight is prepared by compounding the thifluzamide and the validamycin and has good protecting and curing effect; and field trials shows that the protecting and curing rate of the compound pesticide can reach 98 percent. The compound pesticide has strong persistence and prolongs the period of validity of protecting and curing the rice sheath blight to be 30 days; and the production cost of the compound pesticide is lower and is reduced by more than 50 percentcompared with a pesticide which singly uses the thifluzamide.

A pest control composition and a pest control method which have the heightened effect of controlling harmful insects living in soils and/or seeds and simultaneously have the heightened effect of controlling diseases infectious through soils and/or seeds. The pest control composition contains as active ingredients at least one organophosphorus compound selected from the group consisting of S-sec-butyl O-ethyl 2-oxo-1,3-thiazolidin-3-ylphosphonothioate, O-ethyl-S-n-propyl(2-cyanoimino-3-ethylimidazolidin-1-yl)-phosphonothiolates, and S,S-di-sec-butyl O-ethyl phosphorodithioate and at least one bactericide selected from the group consisting of fluazinam, benomyl, tolclophos-methyl, metalaxyl, captan, iprodione, chlorothalonil, dazomet, hymexazol, flutolanil, and validamycin. The method comprises using the composition.

The invention relates to microbial bactericide with plant additives. The technical scheme is that: the microbial bactericide comprises 20 to 30 percent of bacillus cereus, 20 to 30 percent of bacillus subtilis, 2 to 5 percent of DA-6, 1 to 5 percent of titanium dioxide, 15 to 25 percent of validamycin, 1 to 5 percent of heteroauxin, 1 to 5 percent of compound sodium nitrophenolate, 1 to 5 percent of sodium phenoxyacetate, 1 to 5 percent of nitrophenosodium, 1 to 5 percent of 4-iodine phenoxyacetic acid and 15 to 20 percent of polyaspartic acid. Microbial sterilization is adopted, so that the using amount of chemical pesticide is reduced, environmental pollution is reduced, soil is activated and absorption and utilization of organic fertilizer by crops are improved. Trace elements for plant growth are provided, so that diseases and insect damage are eliminated, drought resistance, cold resistance, lodging resistance and the like are achieved, aims of increasing yield, and improving crop quality and reducing cost are fulfilled. Popularization and application of the microbial bactericide contribute to stable production and production increase of grains in China.

The invention discloses a bactericidal composition containing Xemium and antibiotics. The bactericidal composition contains an active component A and an active component B; the active component A is Xemium; the active component B is one selected from polyoxin, validamycin and kasugamycin; and the active component A and the active component B are in a weight ratio of 1:60-80:1. The composition provided by the invention has good control effects on control of a plurality of diseases on various crops, and has characteristics of wide sterilization spectrum, small drug dose, rainwater washing resistance and obvious synergism.

The invention discloses a bronopol-containing bactericidal composition. The bactericidal composition contains an active ingredient A and an active ingredient B, the active ingredient A is selected from bronopol, the active ingredient B is any one compound selected from the following compounds: copper oxychloride, cuppric nonyl phenolsulfonate, oxine-copper, kasugamycin, validamycin, moroxydine hydrochloride, polyoxin, copper(succinate+glutarate+adipate), zhongshengmycin, xinjunan acetate, and zinc thiazole, and the weight ratio of the active ingredient A to the active ingredient B is 1:70 to 70:1. The composition provided by the invention has higher activity on various diseases of a plurality of crops, and an obvious synergistic effect, enlarges the bactericidal spectrum, and has the characteristics of a small medicine using amount, resistance to rain erosion, and an obvious synergistic effect.

The invention discloses a bactericidal composition and its application, the effective component comprises an ingredient A and an ingredient B. The ingredient A is metalaxyl-M, the ingredient B is selected from one of polyoxin, Ningnanmycin and validamycin. The invention has the advantages of high efficiency, safety and environmental protection. The bactericidal composition has synergistic effect which is characterized in that the product output can be raised, the cost can be reduced and the generation of drug resistance of germs can be delayed. The invention can be used for preventing and treating sheath blight, root rot, rice blast, corn northern and southern leaf blight, downy mildew, phytophthora blight, leaf spot, botrytis, alternaria leaf spot, anthracnose, ring spot, powdery mildew,black shank and late blight.

The invention discloses a rice sheath blight disease prevention and control agent. The rice sheath blight disease prevention and control agent is prepared from the following components in part by weight: 5 parts of Bacillus marinus B-9987 bacterial solution, 1-5 parts of hexaflumuron, 2-8 parts of validamycin, 1-7 parts of hexaconazole, 25-35 parts of rhizoma coptidis, 20-30 parts of Scutellaria baicalensis, 20-40 parts of chitosan, and 0.01-0.05 parts of glycerin monostearate. Compared with the prior art, the rice sheath blight disease prevention and control agent has prominent chemical effect and long lasting period, can reduce the using times of the chemicals, saves the raw materials and reduces the environment pollution.

The invention relates to a bactericide compound containing oligosaccharide. The oligosaccharide contains one or more of sodium alginate oligosaccharide, a derivative of the sodium alginate oligosaccharide, chitin oligosaccharide, a derivative of the chitin oligosaccharide, oligogalacturonide acid and a derivative of the oligogalacturonide acid as well as a broad-spectrum bactericide, namely validamycin. By mixing the two components in different proportions, a soluble compound agent is formed. The use amount of the oligosaccharide and the derivative of the oligosaccharide is 2.5%-10%, the use amount of the validamycin is 1.5%-24%, and 1%-5% of ampholytic particles is added for aiding dissolving and is diluted by 1000 times for use, and an antibacterial effect reaches 45%-95%. A preparation compounded from the oligosaccharide, the derivative of the oligosaccharide and the validamycin can preserve the original properties of high spectrum efficiency, low toxicity, safety and the like of a validamycin bactericide; and furthermore, an oligosaccharide biological pesticide is added, and the use amount of antibiotics is reduced, so that the defensive reaction of crops is increased, the yield of the crops is increased, the quality of agricultural products is improved, the application safety is enhanced, and a novel environment-friendly compound bactericide is developed.

The invention discloses a high-efficiency and energy-saving validamycin fermenting method, belonging to the field of microbial fermentation technology. The method comprises the following technological steps: 1) inoculating streptomyces hygroscopicus strains into liquid fermentation culture medium and controlling the inoculum size to be 8-15%, wherein the fermentation temperature is at 35-45 DEG C; and 2) controlling the ventilator capacity to be 2500-3500m<3>/h at early fermentation stage, fermenting for 25-35h, and then controlling the dissolved oxygen to be 20-50% until the fermentation is finished. According to the method, the dissolved oxygen rule can be discovered by measuring and analyzing the dissolved oxygen, and the concentration of the dissolved oxygen is controlled to be 20-50% after the fermentation culture is conducted for 25-35h, so that the energy consumption of an air compressor can be effectively reduced, the total air usage amount can be saved by about 25%, the electricity consumption can be saved by 10% of total electricity consumption each year, and the production volume of the validamycin can be improved by more than 4%.

The invention discloses a compound composition containing methanesulphonyl myclobutanil and an antibiotics bactericide and a preparation. The compound composition consists of the methanesulphonyl myclobutanil and the antibiotics bactericide, wherein the weight ratio of the methanesulphonyl myclobutanil to the antibiotics bactericide is (100:1)-(1:30), and preferably (30:1)-(1:10); the antibiotics bactericide is selected from any one of kasugamycin, streptomycin sulfate, validamycin, polyoxin, tetramycin, blasticidin, antifungalmycine, ningnanmycin, cytosintetidemycin and oxytetracycline hydrochloride. The compound composition and the preparation provided by the invention have a remarkable synergistic interaction effect in comparison with single dosage, and are capable of effectively controlling the bacterial diseases and/or fungal diseases such as cucumber bacterial angular leaf spot, tobacco bacterial wilt and rice blast so as to improve the control effect, reduce the dosage of the pesticides, reduce the control cost and be more widely to sterilize.

An Alcaligenes faecalis B137W is preserved in China Center for Type Culture Collection on May 7, 2013, and has a preservation number of CCTCC NO:M2013176. A fermentation filtrate of the above strain has an inhibition effect on Rhizoctonia solani, Fusarium graminearum, Colletotrichum capsici and Alternaria alternate, the inhibition effect of the fermentation filtrate on the Rhizoctonia solani is strongest, and the inhibition rate of the fermentation filtrate of the Alcaligenes faecalis B137W to the Rhizoctonia solani is 60.26% and is equal to the inhibition of validamycin to the Rhizoctonia solani, so the stain can be developed into bio-control agents.

The invention relates to a fermentation method capable of enhancing validamycin yield. The method comprises the following steps: carrying out strain activation and plate culture on a spore suspension to prepare a spore activated solution, inoculating the spore activated solution in a seed culture medium, carrying out primary culture to obtain a seed culture solution, inoculating the seed culture solution in a fermentation culture medium, carrying out fermentation culture for some time, taking the supernate from the fermented culture solution, sterilizing, adding into a fermentation culture medium, and implementing the fermentation and production of validamycin. On the premise of not increasing the energy consumption, the method obtains higher validamycin yield, shortens the fermentation period, lowers the production cost, and has great application value in industrial production.