955results about How to "Expand the spectrum of prevention and treatment" patented technology

The invention belongs to the field of pesticides, and relates to a binary composition and an application thereof. The binary composition contains an active component a and an active component b, the active component a is a compound A, and the active component b is selected from compounds with insecticidal or bactericidal activity; and the compound A is a compound with the structural formula shown in the specification, and a weight part ratio of the active component a to the active component b is 100:1-1:100. The composition has the advantages of synergy, control spectrum enlargement and the like, and can be used for controlling pests and pest mites, and plant diseases induced by various fungi, bacteria, threadworms and viruses.

The invention discloses a pesticide composition and application thereof in agriculture. The effective component of the composition comprises flonicamid and neonicotinoid insecticides with a mass ratioof 80:1-1:80. The composition has the advantage of synergetic effect, obviously for resistant pests, reduces the dosage and delays resistance development, and is used for preventing and treating pests with obvious resistance, and is especially suitable for preventing and treating rice planthopper, thrips and aphid with resistance.

The invention relates to a disinsection composition containing a matrine and a neonicotinoid insecticide, and application thereof. The composition mainly uses the matrine and the neonicotinoid insecticide and is prepared by an auxiliary agent and an excipient to form microemulsion, emulsion in water, suspending agent, water dispersible granule, wetting powder and missible oil, wherein the mass percentage of the matrine and the neonicotinoid insecticide is 30:1-1:100. The disinsection composition has higher synergy effect, prevents pests from becoming resistant to drugs, prolongs the service life of pesticides and reduces pesticide residue. The composition can be used for preventing and treating homoptera, lepidoptera, thysanoptera, coleopteran and diptera on crops, particular for rice planthopper, trialeurodes vaporariorum, aphid, tryporyza incertulas, chilo suppressalis, thrips, paddy weevil and gall midge.

A wettable powder of bacillus thuringiensis and beauveria bassiana relates to a mixed biopesticide, aiming to the shortcomings of prevention and treatment limitations of beauveria bassiana and bacillus thuringiensis (Bt), particularly poor quick-acting property of microbial pesticides. The wettable powder provided in the invention is prepared from the following components: 10-14wt.% of bacillus thuringiensis, 4-14wt.% of beauveria bassiana, 3-5wt..% of wetting agent, 10-20wt.% of dispersant, 0.1-0.5wt.% of ultraviolet protectant and 50-60 wt.% of carrier. The wettable powder of bacillus thuringiensis and beauveria bassiana provided in the invention is high in activity, stable in effect, long in persistence and convenient for use.

The invention relates to an insecticidal composition containing fluorin inspect bisamide and monosultap. The insecticidal composition has strong insecticidal activity, is applied to the field of chemical protection of agricultural production plants, is mainly used for preventing and curing the harm of lepidoptera pests to crops such as paddy rice, vegetables, fruit trees, cotton, seeding plants, flowers, and the like, has excellent insecticidal effect, and is different from other traditional insecticidal compositions. The insecticidal composition is prepared by combining effective ingredientsof the fluorin inspect bisamide and the monosultap. The insecticidal composition comprises the following preparation raw materials by weight percent: 0.1% to 50% of the fluorin inspect bisamide, 5% to 90% of the monosultap and 8% to 90% of additive. The composition preparation is aqueous emulsion, microemulsion, wettable powder, suspending agent, water dispersible granule or water soluble granule. The additive comprises solvent and one of or the mixture of latent solvent, emulsifying agent, dispersant, humectant, anti-freeze agent, thickening agent, defoaming agent, disintegrant, adhesive andauxiliary carrier.

The invention provides a pesticide composition which contains the following active components with effective quantity: zoxamide and one of strobilurin fungicides. The pesticide composition can be used for preventing and treating various diseases of crops and has the following advantages: 1. the blending has remarkable synergic effect and improves the prevention and treatment effects; 2.the composition has two effective ingredients with different functional mechanisms, decreases the single selection pressure of harmful bacteria and is convenient for overcoming and delaying the occurrence of drug resistance among germs; and 3. the drug blending reduces the dosage so as to reduce the cost and the environmental pollution.

The invention relates to a herbicide composition for preventing and removing farmland weed and an application, in particular to a herbicide used for preventing gramineous weed and broadleaf weed in cornfields, which is a ternary herbicide mixed agent taking nicosulfuron, artrex and sodium sulcotrione as active components. In the composition, the weight ratio of the nicosulfuron to the artrex to the sodium sulcotrione is 1-50:1-80:1-50, preferably 1-10:1-50:1-20. The invention has reasonable components, better preventing effect in comparison with the activity of each component when being applied independently and synergistic action, expands the preventing spectra of the weed, reduces the application frequency, lowers the preventing cost, delays the generation of the resistibility of the weed, has good safety to crops and conforms to the safety requirement of pesticide preparations. The invention has the fresh-weight average preventing effect of 86.19-96.37% to the gramineous weed and the broadleaf weed in the cornfields.

The invention provides a cyflufenamid-containing sterilizing composite. The composite mainly comprises an effective dose of A and an effective dose of B, wherein A is cyflufenamid, and B is selected from a methoxy acrylate germicidal ingredient, a germicidal ingredient of azoles, a sulfur-containing germicidal ingredient, a germicidal ingredient of amides, a germicidal ingredient of miazines, a biogenic germicidal ingredient, a germicidal ingredient of imidazoles, a germicidal ingredient of oxazoles or a germicidal ingredient of organophosphates. The active ingredients in the composite provided by the invention have obvious synergism effect; the control spectrum can be spread by using the composite; and the usage cost is reduced.

The present invention relates to bacillus amyloliquefaciens and a preparation method of a microbial inoculum of the bacillus amyloliquefaciens, and belongs to the field of bio-pesticides and plant protection. The bacillus amyloliquefaciens HN-11 is isolated from azadirachta indica tree rhizosphere soil, azadirachta indica residue is used as a medium raw material and a microbial inoculum adsorption carrier for secondary solid state fermentation composting to prepare the microbial inoculums, the microbial inoculums comprises an arbitrary content of the bacillus amyloliquefaciens, 0 to 30% of the azadirachta indica residue, 4 to 12% of the soybean powder, 5 to 25% of wheat bran, 30-50% of peat, 1-5% of KCl, 0.5 to 2% of urea and 1 to 8% of a surfactant. Tests show that the microbial inoculum can overcome the problem of seedling injury caused by direct use of the azadirachta indica residue, can expand the control spectrum, has obvious integral control effect on banana wilt and Radopholus similes Thorne, can also promote plant growth, and the field control effect on the banana wilt can reach 96.2%. The microbial inoculum has great significance to the promotion of integral pest control and agricultural and sideline product recycling, and has broad application prospects in the production practice.

The invention discloses a weedicide composition for preventing and removing weeds in cornfield, particularly a weedicide for preventing and removing grassy weeds and broadleaf weeds in cornfield, which is a binary weedicide mixture composed of topramezone and eluthiacet-methyl as active components. The weight ratio of topramezone to eluthiacet-methyl in the composition is (16:1)-(1:8), preferably(8:1)-(1:2). The weedicide composition can be prepared into water-dispersion granulas, wettable powder, suspending agents, dispersible oil suspending agents, missible oil and microemulsion. The weedicide composition is used for preventing and removing weeds in cornfield, contains reasonable components, is superior to the activities of each single component applied independently in the aspect of prevention effect, widens the weed control spectrum, lowers the cost for preventing and removing weeds, slow down the generation of weed resistance, is safe for crops and conforms to the safety requirements for pesticide preparations.

The invention discloses a pesticide compound of avermectin and nitenpyram. The compound of the invention includes six constituents of avermectin, nitenpyram, emulsifier, cosolvent, antifreeze, and water. The constituents have weight percentages that: the avermectin is 0.1-20 percent, the nitenpyram is 5-8 percent, the emulsifier is 5-15 percent, the cosolvent is 0.5-10 percent, the antifreeze is 1-5 percent, and the rest is solvent. When the invention is in use, the environment pollution is less, the production cost is low, the preventing effect is good, and the duration is long. After the avermectin and the nitenpyram are compounded, the common toxicity coefficient is more than 100 obviously, the synergistic effect is obvious, and the safety is high.

The invention relates to a pesticide composite, which has a component A and a component B, wherein the component A is lufenuron and the component B is one of abamectin and emamectin-benzoate. A formulation screening test result shows that a microemulsion, an aqueous agent, a suspending agent or a water dispersible granule is prepared by combining the lufenuron and the abamectin, or the lufenuron and the emamectin-benzoate according to a certain proportion and the preparation obtained has obvious synergic effect and lasting effect after the combination; furthermore, the pesticide composite acquires multiple functions on diamond back moths, asparagus caterpillars and other pests of vegetables, fruit trees and cotton, such as wide spectrum, high efficiency, low toxicity, low pollution and low residual, remarkably reduces the using amount and using frequencies of the medicines, reduces cost and defers the drug resistance of the pests.

The invention discloses a sterilization composition containing isopyrazam and carbendazim and application of the sterilization composition. The sterilization composition comprises isopyrazam and carbendazim as main effective components, wherein the mass ratio of isopyrazam to carbendazim is (1-70):(1-50). The sterilization composition can be used for preventing and treating diseases of cereals, fruit trees and vegetables, has a relatively good synergistic effect, overcomes and retards drug resistance of bacteria and is high in sterilization speed and long in lasting period, the application cost is lowered, and the prevention and treatment effect of the sterilization composition is remarkably superior to that of a single reagent. The sterilization composition can be used for preventing and treating fungous diseases of crops, particularly fungous diseases such as rice sheath blight diseases, rice blast and pepper phytophthora blight, and the effect of the sterilization composition is remarkably superior to that of the single reagent.

The invention relates to a synergy insecticidal composition containing dinotefuran and pyrethrin pesticide and purpose thereof. The synergy insecticidal composition contains main effective components of dinotefuran and pyrethrin pesticides. The pyrethrin is one selected from efficient cypermethrin, cyhalothrin, cyhalothrin, bifenthrin, alphacypermethrin, deltamethrin, fenvalerate, cypermethrin, fenpropathrin, silafluofen, efficient cyhalothrin and ethofenprox. The dinotefuran and pyrethrin are in a mass ratio of 0.1-80:0.1-50. The insecticidal composition can generate efficient synergism, overcome and delay resistance of insects and expand control spectrum, and has fast insecticidal speed and reduced drug usage cost. The insecticidal composition of the invention can be used for controlling homoptera insects of aphid and whitefly, etc. and has an effect obvious better than that of a single dose.

The invention relates to a bactericidal composition containing mefentrifluconazole and benzovindiflupyr, and the weight ratio of the two active ingredients is 20: 1 to 1: 20. The weight percentage of the active ingredients in the fungicide is 2 to 80%, preferably 5 to 70%, and the remainder is allowed adjuvants and carriers in the pesticide. The bactericidal composition of the present invention has a significant synergistic effect, which can reduce the usage amount of pesticide and is environment friendly and safe.

The invention discloses a bactericide for preventing and curing crop bacterial diseasess as well as a preparation method and application thereof. In the preparation method, oligosaccharide is added into bdellovibrio bacteriovorus solution to be evenly mixed to obtain the bactericide for preventing and curing crop bacterial diseasess. The invention applies bdellovibrio bacteriovorus solution for preventing and curing crop bacterial diseases for the first time, fills the vacancy of researching and developing bdellovibrio bacteriovorus at home and abroad and adds new species for biopesticide. Asbdellovibrio bacteriovorus has the characteristics of broad cracking pattern and quick growth and has the outstanding capability of eliminating various pathogenicbacteria and bacteria, after combinedwith oligosaccharide, the bdellovibrio bacteriovorus strengthens crop resistance, greatly improves pesticide effect and enlarges the preventing and curing spectrum of bacterial diseases. The bactericide prepared by the invention has no toxicity or pollution, is safe to natural enemies of crop diseases and pests, pathogenic bacteria have small possibility of producing resistance, so that the invention overcomes 3R problems brought by abusing antibiotics and avoids the defects of serious chemical pesticide pollution and ecological balance damage at present.

The invention provides a farm chemical composition and application thereof. The farm chemical composition comprises the active components of dimethyl disulfide and allyl isothiocyanate. The farm chemical composition is used for disinfecting soil of crop fields for vegetables, strawberry, flower, melons, Chinese herbal medicines and the like and soil of a nursery, an orchard, a tea garden and a forest before sowing, and can effectively prevent and control root knot nematodes, soil-borne pathogenic fungi, soil-borne pathogenic bacteria and common farmland weeds during agricultural crop planting, especially the root knot nematodes, fusaria and abutilon theophrasti. The farm chemical composition has the benefits as follows: (1) the farm chemical composition has an unexpected synergistic effect within a certain proportion range, so that nematode-killing, bactericidal and weeding effects of the farm chemical composition are obviously better than those of a single component, the using dosage of farm chemicals, the farm chemical delivering labor and the farm chemical delivering cost are reduced, and the adverse effect on the environment and farm chemical residues are reduced; (2) the farm chemical composition has a wide prevention and control spectrum, and can be widely used for preventing and controlling soil-borne pathogenic nematodes, soil-borne pathogenic bacteria and weeds during agricultural crop planting.

The invention relates to a shenqinmycin-avermectins suspoemulsion used for controlling plant nematodes and a preparation method of the suspoemulsion. The suspoemulsion comprises following components by weight: 1%-10% of shenqinmycin, 0.2%-2% of avermectins, 2%-8% of an emulsifier, 1%-5% of a dispersant, 0.1%-1% of an antisettling agent, 2-10% of an anti-freeze agent, 0.5-2% of a wetting agent and 5%-10% of a solvent, with the balance being water and the sum of the components being 100%. Compared with the prior art, the mixture provided by the invention has a contact-killing function, a stomach toxicity function, an inhibition function for normal growth of phytopathogen hyphae, and a function of causing mycelia breakage, tumidness, deformation and lysis.

The invention provides a sterilization combination containing chitosan oligosaccharide. The sterilization combination is characterized by comprising an effective amount of two active components A and B, wherein the component A is the chitosan oligosaccharide, and the component B is one component selected from fluopicolide, thifluzamide, penflufen and xemium; the mass ratio of the component A to the component B is (1:10)-(10:1). The invention also discloses application of the combination in prevention and treatment of agricultural fungal diseases of crops; the combination achieves a good synergism effect within a certain proportion range, so that the disease prevention effect of the combination is enhanced; the generation of pesticide resistance of pathogenic bacteria to pesticides is delayed.

The invention relates to a bactericidal composition. The effective components of the composition comprise (A) captan and (B) methoxyl acrylic ester bactericide comprising kresoxim-methyl, azoxystrobin, enestroburin, alkene oxime amine, and the like; the mass proportion of the A to the B is 50:1-1:50, preferably 20:1-1:20; and the balance is auxiliary components which are allowable to be used in pesticide and can be acceptable. The captan and the methoxyl acrylic ester bactericide after compounding have obvious synergy, and are mainly used for controlling diseases on crops such as cereals, fruit trees, vegetables, and the like.

The invention discloses a pesticide composition containing fluensulfone and pyrethroid insecticide. The composition comprises a first effective ingredient fluensulfone, a second effective ingredient pyrethroid insecticide and common pesticide auxiliaries, wherein the pyrethroid insecticide is one of tefluthrin, beta-cyfluthrin, cyfluthrin, lambda-cyhalothrin and bifenthrin; and the weight ratio of fluensulfone to pyrethroid insecticide is (40:1)-(1:40). Massive indoor and outdoor tests indicate that the pesticide composition has a remarkable synergetic effect, and has a preventing and controlling effect on underground pests and nematodes on crops remarkably superior to those of independent application of single agent, so that the pesticide usage is reduced, residues of pesticide on crops are reduced, environmental pollution is reduced, and generation of drug resistance of pests and insects is retarded.