45results about How to "Broad spectrum of prevention and treatment" patented technology

The invention discloses a chlorantraniliprole and Spinetoram compound suspending agent and a preparation method of the compound suspending agent. The compound suspending agent comprises the following raw material components in percentage by weight: 0.5-25% of chlorantraniliprole, 0.1-15% of Spinetoram, 1-5% of dispersant, 0.5-4% of wetting agent, 0.1-4% of thickening agent, 1-8% of antifreezing agent, 0.1-0.8% of preservative, 0.1-0.5% of defoaming agent and 49.4-87.8% of water. The preparation method comprises the steps of mixing and dispersing chlorantraniliprole, Spinetoram, the dispersant, the wetting agent, the thickening agent, the antifreezing agent, the preservative, the defoaming agent and water to be uniform, sanding and screening. The compound suspending agent is wide in pest control spectrum, and the pesticide resistance is difficult for pests to generate; the preparing process is simpler and the production cost is lower; a great deal of organic solvent is not needed, so that the cost is lowered, and the stimulation to operators and pollution to environment of the organic solvent are reduced.

The invention relates to a microsphere suspended seed coating agent and a preparation method thereof and belongs to the technical field of pesticide production. A bactericide and an insecticide are taken as core materials and a biodegradable material is taken as a coating pelletizing material; effective components and the pelletizing material are dissolved in a recyclable volatile organic solvent, an emulsification-solvent evaporation method is adopted, and sedaxane-clothianidin microspheres are prepared through suction filtration and extraction. The microsphere suspended seed coating agent with stable performance is prepared from pesticide microspheres, a dispersible wetting agent, a thickener, an anti-freezing agent, a defoaming agent, a preservative, a film-forming agent, a coloring agent and water which are weighed in the ratio of raw materials. The compound microsphere suspended seed coating agent has very good prevention and treatment functions on soil-borne diseases and soil pests, can control and prolong the release time of two effective components in the soil, has the characteristics of high effect, small environmental pollution, long lasting period, low prevention and treatment cost and the like and has significant economic and social benefits.

The invention discloses a synergistic pesticide composition which is characterized in that the effective components thereof are tolfenpyrad and spinosad. The pesticide composition has excellent prevention and treatment effects on agricultural lepidoptera, thysanoptera, diptera, coleopteran and homoptera pests.

The invention discloses an insecticidal composition containing doramectin and pyriproxyfen. The weight ratio is (1 to 80) to (80 to 1), preferably (1 to 40) to (40 to 1), further preferably (1 to 20) to (1 to 10). The composition and appropriate additives can be prepared into pesticidally acceptable preparations; the more suitable preparations are water dispersible granules, wettable powder and aqueous emulsions. The composition is reasonable in component compatibility; compared with a single preparation, the composition has obvious synergistic effect, is safe to environment, is low in toxicity to people and livestock, and has a good prospect in development of pesticide mixtures.

The invention relates to water dispersible granules containing pyraclostrobin. The water dispersible granules containing pyraclostrobin comprise the following ingredients: 5%-80% of active ingredients, 1%-10% of a dispersing agent, 1%-8% of a wetting agent, 1%-10% of a disintegrating agent, 1%-5% of a binding agent and the balance of a filler. The preparation method comprises the steps of performing uniform mixing, ultrafine grinding, granulation, drying and sieving on the raw materials to obtain the water dispersible granules. The two compounded granules have an obvious synergistic effect than a mono-agent, the problems of difficult disintegration and the like of single pyraclostrobin or compounded water dispersible granules due to low melting point is solved, and the defects of dust flying and the like of wettable powder during production and use processes are overcome; the water dispersible granules have the advantages of high active ingredient content, high disintegration speed, good dispersity, high thermal stability, less environmental pollution and the like, has good control effects on wheat leaf rust, powdery mildew of cucumber, alternania mail Roberts and macrophoma musae when in use, and is high in safety.

The invention discloses insecticidal composition containing doramectin and pyriproxyfen as active ingredients. A weight ratio of doramectin to pyriproxyfen is 1:80-80:1, preferably, the weight ratio of doramectin to pyriproxyfen is 1:40-40:1, and more preferably, the weight ratio of doramectin to pyriproxyfen is 1:20-1:10. The composition can be prepared in pesticide-acceptable dosage forms together with appropriate auxiliaries, and relatively appropriate dosage forms comprise water dispersible granules, wettable powder and emulsion in water. The composition is reliable in component compatibility, has remarkable synergistic effect when compared with a single chemical, is safe to the environment and low-toxic for people and livestock and has good prospect in development of pesticide mixtures.

The present invention discloses a bactericide composition and applications thereof, wherein the bactericide composition contains active ingredients such as Shenqinmycin and iprodione, and a weight ratio of Shenqinmycin to iprodione is 1:(1-100). According to the present invention, the bactericide composition provides significant prevention and control effects in the field of crop disease prevention and control, has characteristics of broad prevention and control spectrum, good prevention and control effect, single active ingredient and drug resistance generation resistance, provides synergistic effects for a variety of pathogenic bacteria, and can treat a variety of mixed occurring diseases.

The invention discloses a microcapsule pesticide compounding sucrose ester with abamectin and a preparation method of the microcapsule pesticide. The microcapsule pesticide comprises the following components by weight percentage accounting for the total weight of raw materials: sucrose ester accounting for 1 to 35 percent, abamectin accounting for 0.5 to 3 percent, dispersing agents accounting for 1 to 8 percent, solvent accounting for 1 to 6 percent, wall material accounting for 2 to 20 percent, and water accounting for 40 to 88 percent. The preparation method comprises the steps as follows: sucrose ester is added in aqueous solution of the dispersing agents according to prescription; a continuous phase is obtained after sucrose ester and aqueous solution of the dispersing agents are mixed uniformly; abamectin is completely dissolved in toluene to obtain an organic phase; the organic phase is added in the continuous phase, and mixed liquor is heated to reach the temperature ranging from 45 to 50 DEG C; wall material is added under constant temperature; and in addition, stirring operation is carried out for 25 to 30 minutes at the rotational speed ranging from 500 to 1000 r/min after an interfacial polymerization reaction is performed so as to obtain the microcapsule pesticide compounding sucrose ester with abamectin. The microcapsule pesticide achieves an excellent control effect on bemisia tabaci and aphides, and pests are difficult to be drug-resistant; and in addition, the preparation technology is simpler, the manufacturing cost is lower, and the microcapsule pesticide is suitable for being popularized and applied in large area.

The invention discloses a biocontrol microbial agent for preventing and treating stem rot and gummosis. The biocontrol microbial agent contains 99.0-99.5% by weight of mixed fermentation liquor of bacillus subtilis and trichoderma longibrachiatum and 0.5-1.0% by weight of extracellular crude polysaccharide, the invention further provides a preparation method and application of the biocontrol microbial agent for preventing and treating stem rot and gummosis of crops. The biocontrol microbial agent prepared by mixed fermentation of bacillus subtilis and trichoderma longibrachiatum has very obvious prevention and treatment effects on stem rot and gummosis of crops, has the characteristics of being environmentally friendly, high in safety and wide in prevention and treatment spectrum, and caneffectively reduce the use of chemical pesticides and environmental pollution caused by the use of the chemical pesticides.

The invention discloses application of citral and/or a citral-containing plant extract in preparation of a plant resistance inducer. The application range of the plant resistance inducer comprises induction of plant disease resistance, induction of plant stress resistance or promotion of plant growth. The plant disease resistance inducing activity, plant stress resistance inducing activity and plant growth promoting activity of the citral and the citral-containing plant essential oil or extract are determined by biological activity determination, physiological and biochemical testing and other methods; a pesticide preparation, an auxiliary agent and a biostimulant which take citral and citral-containing plant essential oil or extract as active ingredients are prepared, and are applied in the field.

The invention belongs to the technical field of pesticide, and in particular relates to an acaricidal composition containing spirodiclofen. An effective constituent of the composition consists of the spirodiclofen and flufenoxuron, and the weight ratio of the spirodiclofen and the flufenoxuron is 0.1-10:1. The composition is prepared into wettable powder, water dispersible granules or suspending agents used for preventing and controlling harmful mites on fruit trees, and has the advantages of high drug effect, small dosage and the capability of deferring the harmful mites to have insecticide resistance.

The invention discloses a spinetoram and emamectin benzoate compound suspension and a preparation method thereof. The spinetoram and emamectin benzoate compound suspension comprises the following components in percentage by weight: 0.1-20% of spinetoram, 0.1-35% of emamectin benzoate, 0.5-4% of dispersant, 0.5-5% of wetting agent, 0.1-4.5% of thickening agent, 0.5-5% of anti-freezing agent, 0.1-0.6% of preservative, 0.1-0.8% of defoaming agent and 42.0-83.0% of water; and the preparation method comprises the following steps: mixing the spinetoram, the emamectin benzoate, the dispersant, the wetting agent, the thickening agent, the anti-freezing agent, the preservative, the defoaming agent and the water, dispersing till uniformity and further performing sand grinding and screening. The compound suspension disclosed by the invention has a broad pest control spectrum, and pests are difficult to generate drug resistance; the preparation process is simpler and the production cost is lower; and a large quantity of organic solvent is not required, so that not only is cost reduced, but also the stimulus to an operator and the environmental pollution caused by the organic solvent can be reduced.

The invention discloses an agent for preventing and treating plant continuous cropping disease and a preparation method thereof. The preparation method comprises the following steps of uniformly mixing a carrier adsorbent with an abamectin water solution with the mass concentration of 30wt%, and then drying and granulating, wherein the mass ratio of the carrier adsorbent to the abamectin water solution is (70-80): 33; then introducing gas formed by heating and gasifying nitrochloroform into a reaction tank filled with the product of the last step to carry out adsorption reaction; and when the mass ratio of the reduced mass of the nitrochloroform to the carrier adsorbent is (10-20): (70-80), preparing a final product. According to the preventing and treating agent disclosed by the invention, the ratios and the contents of effective components of the product can be adjusted according to different preventing and treating objects and the preventing and treating spectrum is wide. The preventing and treating agent is efficient, low-toxic and medicine-saving, and has a low use cost. The application is safe and convenient and no environmental pressure exists. The preventing and treating agent has wide application range and application prospect.

The invention discloses a chlorantraniliprole and natural pyrethrin compound suspension and a preparation method thereof. The chlorantraniliprole and natural pyrethrin compound suspension comprises the following raw materials in percentage by weight: 0.5-32% of chlorantraniliprole, 0.1-18% of natural pyrethrin, 1-6% of dispersant, 1-5% of wetting agent, 0.1-5% of thickening agent, 2-10% of anti-freezing agent, 0.1-1% of preservative, 0.1-0.8% of defoaming agent and 40.3-90.0% of water; and the preparation method comprises the following steps: adding the chlorantraniliprole, the natural pyrethrin, the dispersant, the wetting agent, the thickening agent, the anti-freezing agent, the preservative, the defoaming agent and the water into a high-shearing homogeneous emulsifier according to the mixture ratio, dispersing till uniformity, and further performing sand grinding and screening. The suspension disclosed by the invention is good in effects, green and environment-friendly; the preparation method is simple and feasible, and equipment investment is low; and a large quantity of organic solvent is not required, so that not only is cost reduced, but also the stimulus to an operator and the environmental pollution caused by the organic solvent can be reduced.

The invention discloses a fungicidal composition containing azoxystrobin, difenoconazole and hexaconazole and application thereof. With azoxystrobin, difenoconazole and hexaconazole being effective components, the fungicidal composition comprises, by weight, 1-30% of azoxystrobin, 1-25% of difenoconazole and 1-10% of hexaconazole. The composition is good in stability, can effectively bring advantages of the three effective components into full play, has an obvious synergistic effect, and has a prominent effect on prevention and control of almost all fungal diseases in wheat, corn, melons, rice, peanuts and other crops and especially plant diseases caused by basidiomycetes, deuteromycota, oomycetes and ascomycetes. The composition has a wide prevention and control spectrum and meanwhile has protecting and treating effects. In addition, through compounding of azoxystrobin, difenoconazole and hexaconazole, the dosage of effective components can be reduced, resistance to the fungicidal composition by pathogenic bacteria can be delayed, natural enemies are effectively protected, and the fungicidal composition has important economic significance, environmental protection significance and ecological significance for comprehensive prevention and control of pests.

The invention discloses application of limonene in preparation of a plant resistance inducer. The application range of the plant resistance inducer comprises induction of plant disease resistance and induction of plant stress resistance. The plant disease resistance inducing activity and the plant stress resistance inducing activity of the limonene and the plant essential oil or extract containing the limonene are determined by using biological activity determination, physiological and biochemical testing and other methods, and a plant resistance inducer and a biostimulant which take the limonene as an active component are prepared and applied in fields.

The invention discloses a bactericide composition and application thereof. The bactericide composition contains active ingredients, namely phenazino-1-carboxylic acid and fluazinam, and the weight ratio of phenazino-1-carboxylic acid to fluazinam is 1:(0.02-50). The bactericide composition is capable of simultaneously treating various diseases, has the characteristics of broad preventing and treating spectrum and good preventing and treating effects, has synergistic effects on multiple germs, and contains non-single active ingredients so that drug resistance is not easy to generate.

The embodiment of the invention relates to an insecticidal and bactericidal composition and application thereof, and relates to the field of pesticides. The active ingredients of the insecticidal and bactericidal composition comprise amino-oligosaccharin and chlorfenapyr, and the weight ratio of the amino-oligosaccharin to the chlorfenapyr is 1: 99-99: 1, optionally 1: 5-5: 1, optionally 1: 1-3: 4, and optionally 1: 1. The insecticidal and bactericidal composition disclosed by the invention can be used for preventing and treating insect pests and diseases of crops, and can effectively reduce the labor intensity. The composition shows a synergistic effect in the proportioning range, effectively reduces the use dosage of the active ingredients, reduces environmental pollution; and compared with a traditional single compound medicament, the composition has the advantages of wider pest control spectrum, stronger synergistic effect, lower use dosage and lower pest resistance development level.