58 results about "Benzimidazole fungicide" patented technology

The present invention is method of controlling bakanae disease of wheat, barley, etc. with resistance to benzimidazole and similar germicides. Tebuconazole, nuarimol, imazalil, etc. are used alone or compounded, or the preparation with tebuconazole, nuarimol, imazalil, etc. as effective components is re-compounded with other systematic one protective germicide to form binary or polynary preparation for treating seed or field spraying. The present invention has obvious synergistic effect in preventing and treating bakanae disease of wheat, barley, etc. and can delay the generation of chemical resistance.

The invention discloses a composition of prohexadione calcium and a fungicide. The composition includes 5 to 50 parts by weight of the prohexadione calcium and 5 to 60 parts by weight of the fungicide; the bactericide is a triazole fungicide such as epoxiconazole, tebuconazole, hexaconazole and difenoconazole, or a carboxylic acid amide fungicide such as thifluzamide and fenoxanil, or a benzimidazole fungicide such as carbendazim and thiophanate-methyl, or an imidazole fungicide such as prochloraz and prochloraz-manganese chloride complex. The composition of the prohexadione calcium and the fungicide provided by the invention can achieve the purposes of vigorous growth control, disease resistance and yield increase, has no effect on next-stubble crops, reduces the pesticide costs of farmers, and increases the crop yield, so as to increase the income of farmers, and create enormous economic and social values.

The invention provides a combined seedling root wetting agent and belongs to the technical field of wetting agents. The wetting agent is prepared from the following ingredients: 0.5-1 part of rootone, 3-6 parts of humic acid, 10-15 parts of benzimidazole fungicide, 20-30 parts of super absorbent resin, 10-20 parts of monopotassium phosphate, 100-200 parts of sodium carboxymethylcellulose, 15-30 parts of dyeing agent and 450-900 parts of talcum powder. The invention also provides a preparation method of the combined seedling root wetting agent. The combined seedling root wetting agent not only can be used for links such as artificial planting and transportation of forestation seedlings, is capable of replacing an original measure of dipping roots with sludge, and can be applied to preserving moisture of seedlings and promoting the survival during forestation under a watering-free condition.

The invention belongs to a Sanmate resistance genotype molecular detection and SNP typing method of Fusarium graminearum, which can be used for drug resistance monitoring and drug resistance genotype diagnosis to Sanmate and other benzimidazole type bactericides of the Fusarium graminearum which can cause wheat scab. The detection method comprises the following three major steps: (1) extracting DNA of a nuclear genome of a strain to be detected; (2) applying three groups of primer pairs to carry out PCR reaction; and (3) identifying the genotype of the strain with the resistance to the Sanmate according to a PCR product electrophoretogram. By adopting the Tetra-primer ARMS PCR (Tetra-primer amplification refractorymutation system-PCR) technology, the strain with the drug resistance of theFusarium graminearum and the genotype thereof can be fast and accurately detected, and the level of the drug resistance can be further judged. The detection accuracy is above 95%.

Disclosed are fungicidal mixtures, compositions and methods for controlling plant diseases relating to combinations comprising (a) at least one compound selected from phenylamidines of Formula I, N-oxides, and agriculturally suitable salts thereof (I) wherein A is C₃alkylene, optionally substituted with one or two methyl; W is CR⁵R⁶R⁷ or SiR⁸R⁹R¹⁰; and R¹, R², R³, R⁴, R⁵, R⁶, R⁷, R⁸, R⁹ and R¹⁰ are as defined in the disclosure; and (b) at least one compound selected from alkylenebis(dithiocarbamate) fungicides, compounds acting at the bc₁ complex of the fungal mitochondrial respiratory electron transfer site, cymoxanil, compounds acting at the demethylase enzyme of the sterol biosynthesis pathway, morpholine and piperidine compounds that act on the sterol biosynthesis pathway, phenylamide fungicides, pyrimidinone fungicides, chlorothalonil, carboxamides acting at complex II of the fungal mitochondrial respiratory electron transfer site, quinoxyfen, metrafenone, cyflufenamid, cyprodinil, copper compounds, phthalimide fungicides, fosetyl-aluminum, benzimidazole fungicides, cyazofamid, fluazinam, iprovalicarb, propamocarb, validamycin, dichlorophenyl dicarboximide fungicides, zoxamide and dimethomorph, and their agriculturally suitable salts.

The invention relates to 1 billion/gram high-resistance benzimidazole germicide trichoderma conidium wettable powder and a preparation method thereof, belonging to the technical field of biopesticides. The 1 billion/gram trichoderma conidium wettable powder comprises the following components: trichoderma conidium, a wetting agent DY-ETE301, sodium lignin sulfonate used as a dispersing agent, riboflavin used as an ultraviolet protective agent, residual rice powder, diatomite, and the like. In the method, a separating type processing technology is used for processing and preparing the wettable powder. The wettable powder can be applied to preventing and treating plant diseases such as gray molds, rhizoctonia rot, damping off, droops, and the like of various field crops and vegetables together with benzimidazole germicides. The prevention and treatment ratio of the wettable powder is higher than 80 percent, and the wettable powder has no environmental pollution, no harm to humans and animals and convenient use; and the quality guarantee period of the wettable powder is one year, and the spore germination ratio is higher than 80 percent. Meanwhile, the wettable powder has the characteristics of long efficacy duration, obvious yield increasing effect, small application amount, little chemical pesticide residue, effective environmental pollution reduction, and the like.

A fungicidal composition and a method for treating plants using the composition are provided. The composition comprises at least three active ingredient components (A), (B) and (C), optionally together with one or more customary formulation auxiliaries, wherein component (A) is one or more triazole fungicides, component (B) is one or more strobilurin fungicides, and component (C) is one or more benzimidazole fungicides. Further provided is a method for preventing and/or combating pathogenic damage or pest damage in a plant or plant material, which comprises applying on the plant, plant material, part of plant, or surroundings thereof the composition comprising the active ingredient components (A), (B) and (C).

A gene for testing the resistance of colletotrichum gloeosporiodies to carbendazim and its test reagent kit are disclosed. Said gene is the beta-microtubulin gene fragment of Colletotrichum gloeosporiodies. Said reagent kit is composed of 10XPCR buffering liquid, MgCl2 solution, dNTP (Mixture), upstream primers CGR1 and CGS2, and downstream primers CGrev and TaqDNA polymerase. Its advantages are high speed, high correctness (95.71%) and high sensitivity.

The invention provides a test kit for detecting drug resistance of botrytis cinerea to benzimidazole fungicides. The kit comprises a primer combination. The primer combination comprises a primer set I, a primer set II, and/or a primer set III; the primer set I consists of Tub-F3, Tub-B3, Tub-FIP-E198A and Tub-BIP; the primer set II consists of Tub-F3, Tub-B3, Tub-FIP-E198V, and Tub-BIP; the primerset III consists of Tub-F3, Tub-B3, Tub-FIP-E198K, and Tub-BIP. The invention provides a convenient and flexible method for detecting the drug resistance of the botrytis cinerea with direct judgmentresults and capable of being operated in the field based on a molecular level, and can ensure a primary technician to obtain objective and reliable detection results in the field within two hours.

The invention aims to disclose an effect-increased bactericide composition. Raw materials of the bactericide composition comprise, by weight, 1-7 parts of metconazole, 1-7 parts of thiram and 0.5-2 parts of an effect-increasing agent. The effect-increasing agent is one or more of humic acid, magnesium humate, zinc humate and potassium humate. A preparation method includes following steps: adding conventional auxiliary materials to the raw materials and preparing a powdery agent, which is acceptable in use, according to conventional processes. The invention also discloses applications of the bactericide composition in prevention and cure of wheat scab pathogens, powdery mildew or rust, and particularly discloses an application of the bactericide composition in prevention and cure of wheat scab pathogens which has drug resistance to a benzimidazole bactericide. With addition of the effect-increasing agent, the bactericide composition not only achieves maximum effect in bactericidal activity but also has obvious and remarkable growth-stimulating and production-increasing effects.

The invention discloses a compound bactericide and a preparation method thereof. The compound bactericide disclosed by the invention is composed of an active component, a filling material and an assistant agent, wherein the active component is composed of triazole bactericide tebuconazole and benzimidazole bactericide carbendazim; and the compound bactericide is capable of effectively preventing and treating branch fungal diseases, such as valsa ceratosperma and macrophoma kawatsukai. The compound bactericide disclosed by the invention has the obvious synergistic effect of preventing and treating valsa ceratosperma fungal diseases; the removing effect of X% of DW paste is up to 100% within 120 days; the effect is obviously higher than that of single preparation; the compound bactericide has good fast-acting property and good durable effect and more action mechanisms and acting sites, and is capable of effectively delaying generation and development of drug resistance of pathogenic bacteria; and in addition, the compound bactericide disclosed by the invention adopts a simple preparation process, and is low in cost, obvious in economic benefit, wide in disease prevention spectrum and high in biological safety.

The invention relates to a pesticide composition, the effective component of which is one of (A) cytosinpeptidemycin and (B) benzimidazole bactericides, wherein the mass ratio of A to B is 1-80:80-1 and the content of A and B in a compounded preparation is 1-80%. By methods widely-known to technicians in the field, the pesticide composition provided by the invention can be prepared in dosage forms such as a suspending agent, a wettable powder, water dispersible granules, an emulsion in water, a micron emulsion and the like. The pesticide composition provided by the invention can be used for controlling a plurality of crop virus diseases such as tobacco mosaic virus, cucumber mosaic virus, maize dwarf mosaic virus, rice stripe disease, rice dwarf virus and the like.

The invention relates to a detection method of a colletotrichum gloeosporioides penz drug-resistant strain to benzimidazoles bactericide, comprising the following four steps of: (1) extracting a colletotrichum gloeosporioides penz genomic DNA; (2) carrying out PCR (Polymerase Chain Reaction) amplification on a specific primer under certain reaction conditions; (3) carrying out enzyme cutting on a PCR amplified product; and (4) analyzing an enzyme-cutting product, wherein the detection method has 100 percent of detectable rate on the colletotrichum gloeosporioides drug-resistant strain. In the invention, the DNA segment (includes a specific restriction enzyme cutting site) amplification is carried out on a specific primer pair selected according to the specific restriction enzyme cutting site of a pathogenic bacteria resistant strain, the enzyme cutting is carried out on the amplified DNA segment by using a restriction endonuclease, and the enzyme-cutting is subjected to electrophoresis and gel imaging so as to accurately judge whether the pathogenic bacterium is a resistant strain or a sensitive strain. The method is proved to be stable and reliable through multiple tests.