461results about "Molluscicides" patented technology

The invention relates to the field of research and development of biopesticide preparation, concretely, relates to a tetramycin complex and an application. the tetramycin complex comprises tetramycin and active substances; the active substances comprise one or more of the following substances: azoles, pyrimidinyl methanol, 2-amino-miazines, morpholines, aniline pyrimidines, pyrroles, benzamides, benzimidazoles, dicarboximides, methanamides, kresoxim-methyl, dithiocarbamates, N-halomethylthio-dicarboximides, copper compounds, nitrophenol derivatives, organophosphates, guanidines, trace elements, carbamates and pyrethroids. According to the invention, compared with the prior art, the tetramycin complex and the application are capable of reducing the danger of resistant fungal strains selectivity, prolonging the service life of active substances, enlarging prevention and treatment scope, increasing diseases prevention effect and delaying or overcoming resistance of pathogenic bacteria, the cost is saved, and the application frequency of pesticide can be reduced.

The invention relates to a Chinese herbal medicinal insecticide, and aims to solve the problem of public hazards of the conventional insecticide. The Chinese herbal medicinal insecticide comprises the following Chinese herbal medicines in part by weight: 50 to 110 parts of macleaya cordata, 50 to 110 parts of eucalyptus robusta smith, 40 to 100 parts of betel nut, 40 to 100 parts of pumpkin seed,40 to 100 parts of clematis root, 40 to 100 parts of celastrus angulatus, 30 to 90 parts of stone-like omphalia, 30 to 90 parts of grand torreya seed, 30 to 90 parts of camphor tree, 30 to 90 parts of pomegranate rind, 30 to 90 parts of lightyellow sophora root, 30 to 90 parts of rhododendron molle, 30 to 70 parts of fourstamen stephania root, 30 to 70 parts of sessile stemona root, 30 to 70 parts of hindu datura flower and 30 to 70 parts of liquoric root. The Chinese herbal medicinal insecticide is prepared by the following steps of: performing alcohol precipitation on the Chinese herbal medicines to obtain the original liquid medicine; diluting sodium usnic acid by using a solvent; and adding 0.1 to 0.3 weight percent of diluted sodium usnic acid into the original liquid medicine. The finished Chinese herbal medicinal insecticide comprises 0.5 percent (g / ml) of sanguinarine, is brownish red, has the ph value of 7 to 8 and the density of 1.10g / cm<3>, and has the advantages of effective insecticidal capability, no damage to humans, high adsorbability and durable seepage force.

Compositions and methods for controlling molluscs, members of the Gastropoda and Bivalvia classes which includes but is not limited to lactones, lactams, carbamates, amides, and / or carboxylic acid containing compounds as active ingredients and / or compounds derived from Pseudomonas and / or Erwinia. Also provided are methods and compositions for increasing the efficacy of chemical and biological control for invasive molluscs in open waters, power plants, and drinking water treatment facilities under coldwater conditions.

The invention belongs to the environment-friendly technical field of gigas-killing plant resource utilization and specifically relates to a method for killing harmful ampullaria gigas invading the area by using the alien invasive plant wedelia trilobata of south China. According to the method, the ampullaria gigas is directly killed by feeding the dried powder of the invasive plant wedelia trilobata in water of a rice field; and the method is characterized in that the used plant is wedelia trilobata from the composite family, and the dose of the wedelia trilobata dried powder is 10g / L. The method has the advantages that the plant material wedelia trilobata is the general alien invasive plant in south China, so the materials are easily available, and the ampullaria gigas can be effectively killed under a certain feeding amount.

The invention relates to an efficient snail-killing type organic fertilizer produced from tea seed cakes and a preparation method thereof. The efficient snail-killing type organic fertilizer is characterized by being prepared from the following raw materials in percentage by weight: 45 to 60 percent of the tea seed cakes, 25 to 45 percent of chicken manure, 0.5 to 3 percent of phosphate fertilizer, 5 to 20 percent of organic additive, 0.5 to 3 percent of microbial decomposition agent, and 1 to 4 percent of snail-killing synergistic agent. The efficient snail-killing type organic fertilizer has the characteristics of complete nutrients, cultivatable fertility of a common organic fertilizer, can effectively kill paddy field pomacea, leeches, wireworms and the like, is biologically environment-friendly and nuisanceless, has the function of regulating the plant growth, can carry out snail-killing and fertilizing at the same time, simplifies the farming procedures, is convenient to use, saves labor power and materials, and can stimulate the growth of plant; and a contained plant growth regulator can promote the metabolism and the photosynthesis of the plants, promote the root system development, increase new roots, promote the reproductive development, and improve the disease-resistant and degeneration-resistant capacities of paddy.

The invention relates to a medicine fertilizer granular formulation used for killing harmful mollusks on rice and a preparation method thereof. The medicine fertilizer granular formulation contains the following ingredients by total weight: 0.1 percent to 10 percent of niclosamide ethanolamine, 30 percent to 60 percent of carrier fertilizer, 0.5 percent to 3 percent of dispersing auxiliaries, 0.1 percent to 2 percent of retarder, 0.1 percent to 5 percent of attractant and the rest is filling materials. The preparation method of the medicine fertilizer granular formulation is that: the materials are mixed evenly in a closed stirring tank, and then coating granulation, drying, sieving and packaging are carried out. The medicine fertilizer granular formulation of the invention has good control effect of the mollusks on the rice and can not only be used as a pesticide for killing the mollusks on the rice but also can have the effect of increasing production by fertilizing, thus saving time and labor and improving production efficiency.

An insecticide for killing oncomelania is prepared from the external seed vessel of gingko through reflux extracting in petroether, alcohol, or ether, vacuum concentrating, separating and purifying by macroreticular resin or chromatography with silicon gel column to obtain the ginkgolic acid mixture, and dissolving it in the aqueous solution of cosolvent.

The invention discloses a planting method of selenium-rich pitaya. The planting method is characterized by comprising steps as follows: land selection, seedling culture, field planting, pruning and trimming, nutrient and water management, orchard management and pest control. The planting method adopts advanced tillage, fertilizer and insecticide technology such as selenium-rich bio-organic fertilizer, selenium-rich organic-liquid active fertilizer, organic fertilizer, a smashing ridge machine and the like, so that soil environment is effectively improved, the content of organic matters and selenium in soil is greatly increased, the selenium content of the planted pitaya is high, the pitaya yield is high, the detection indicates that the selenium content of the pitaya is 0.40-0.50 mg / kg, furthermore, according to the insecticide technology adopting botanical insecticides and botanical fungicides, the better insecticidal efficacy is realized while nutrition is guaranteed, and the economic benefit is very obvious.

The invention relates to application of a sanguinarine or a chelerythrine for preventing and curing of schistosomiasis. The invention applies the sanguinarine and the chelerythrine on killing an oncomelania, a snail egg, a Japanese blood fluke cercaria, a schistosome and the prevention and cure of schistosomiasis. The inventor discovers that the sanguinarine or the chelerythrine can kill the oncomelania and the snail egg safely and effectively and can kill the Japanese blood fluke cercaria as well as a schistosomulum and an imago of the schistosome under a lower concentration, which has the functions of preventing and curing the schistosomiasis and does not pollute the environment.

The usage of botanical molluscicide and tea saponin belongs to the technical field of agricultural chemical. The molluscicide is characterized by containing 15-30% of tea saponin, 8-15% of dispersant and 55-75% of filling agent, wherein, the dispersant is dodecyl sodium sulfate or nekal, and the filling agent is calcium bicarbonate or white carbon black. The botanical molluscicide takes the tea saponin as a main material so that the botanical molluscicide has low toxicity, quick results and good mollusk killing effect, and can kill pomacea canaliculata, oncomelania, and shell snails and field snails which damage cotton, soy beans and vegetables, and can be made into a wettable powder; and the cost of material is low. The tea saponin can be used for preparing pesticides for killing mollusks, such as pomacea canaliculata, oncomelania, shell snails and field snails.

The invention relates to the use of ginkgoic acid in preparation of biological pesticide for killing Oncomelania snail and preventing schistosomiasis, wherein experiment result shows that, the ginkgolic acid can effectively inhibit key enzyme and de-coupling reaction to mitochondria oxidation phosphorylation in mollusk energy supply biochemical metabolism, effectively inhibit tyrosinase during insect exuviation procedure and prostaglandin synthetase during breeding process, thus can eradicate unwanted mollusk harming agronomic crops.

The invention provides a multifunctional organic compound fertilizer, comprising the following raw materials in parts by weight: 20 to 25 parts of gelsemium elegan, 7 to 10 parts of Chinese azalea flower, 3 to 5 parts of pink plumepoppy herb, 12 to 20 parts of tobacco stems, 5 to 13 parts of chinaberry bark or root, 2 to 8 parts of nux vomica, 15 to 24 parts of tea dregs, 6 to 7 parts of chili, and 30 to 46 parts of human and animal excreta. The product has the functions of insect killing, bacterium killing and the like, also can prevent and control disoperation of insects, and contains high quality fertilizer efficiency; meanwhile, the product is harmless to human and animals, has no side effect, is safe for use, and has no pollution to the environment; and the product can promote crops to grow healthily and quickly in an applying process.

The invention belongs to the technical field of biopesticides, discloses application of ginkgoic acid and ginkgol compounds to killing agriculturally harmful mollusks, and discloses novel application of the ginkgoic acid and ginkgol to preparation of the biopesticides. The invention shows that the ginkgoic acid and ginkgol compounds can effectively inhibit the synthesis of glycogen and protein inmollusk ampullaria gigas, can simultaneously inhibit the activities of ChE, SDH and MDH in the cephalopodium and the liver of the ampullaria gigas, interfere a NADH respiratory chain and cause energymetabolic dysfunction so as to cause cell energy supply deficiency and unattainability of normal synthesis and secretion functions, and promote the lack of important proteins and enzymes in the body of the ampullaria gigas so as to cause the death of the ampullaria gigas. The ginkgoic acid and the ginkgol are readily degradable in the natural environment, and have small influence on the environment; and an acute toxicity test proves that the ginkgoic acid and the ginkgol are proved to be slightly toxic pesticides, can be developed into novel biopesticides, and can be used for preventing the ampullaria gigas for rice, vegetables and fruits.

The invention discloses a synergistic carrier composition for solid pesticide preparations. The composition is composed of 1-30mass% of polyaspartic acid and 70-99mass% of illite / smectite clay. The synergistic carrier composition has the advantages of reduction of the consumption of a pesticide assistant, cost saving, suspension rate increase, drug effect enhancement, obvious quality improvement and obvious cost reduction when 3.5-55mass% of the composition is used in solid pesticide preparations comprising a wettable pulvis, a water dispersible granule and the like as a carrier.

The invention relates to the technical field of agricultural planting, particularly a planting method for dendrobium officinale. The method comprises the steps of: preparing a seedbed; preparing a cultivation matrix; preparing flower pots; performing fixed planting; performing watering; performing fertilization; performing pest control; controlling temperature and humidity and the like. The planting method provided by the invention has the beneficial effects that the survival rate of transplanted tissue culture seedlings reaches over 99%; by virtue of spraying biogas slurry, particular biogas slurry produced in a soft biogas pool, performing special treatment on a cultivation matrix, fermenting silkworm feces as top dressing and self-making a natural plant bactericide to prevent and treat plant diseases and insect pests, the produced dendrobium officinale is fleshy in leaf and stem, high in various nutritional components, quick to grow, high in yield and higher than wild dendrobium officinale in effective medicinal component content, and the occurrence rate of plant diseases and insect pests is obviously reduced, so that the cost is lowered, and the food safety of dendrobium officinale is improved. By adopting the method to plant dendrobium officinale, harvest within 12-14 months can be realized.

The invention belongs to the technical field of utilization of ampullariidae killing plant resources and particularly relates to a method for killing ampullariidae by using mikania micrantha. The method for killing the ampullariidae by using the mikania micrantha comprises the following steps: throwing mikania micrantha powder into water containing the ampullariidae for directly killing the ampullariidae, wherein the using amount of the mikania micrantha powder is 005-15 g / L. The method for killing the ampullariidae by using the mikania micrantha has the advantage that the plant material mikania micrantha is a common invasive plant in southern China, is easy to obtain and can effectively kill the ampullariidae at a certain using amount.

Polymer composite material with biocide functionality, preferably for the use in agriculture, comprising at least one base polymer compound and at least one biocide active ingredient, wherein the biocide active ingredient is an organic biocide that can be emitted from the polymer composite material by diffusion and / or osmosis and method of its production.

The invention relates to an insecticidal and bacteriostatic seed dressing agent for treating seeds, in particular to a seed dressing agent with the active ingredients comprising 1 to 70 percent of cyproconazole and 1 to 70 percent of thiamethoxam. The seed dressing agent is mainly used for treating seeds of soybeans, peanuts, corns, wheat, rice, cotton, cowpeas, watermelons, sunflowers and ornamental flowers, has an obvious effect of preventing and treating a large number of soil-borne or fungal and bacterial diseases such as root rot, gray mold, damping off, bakanae disease, sclerotiniose, smut and the like, has an obvious effect of preventing and controlling underground pests such as mole crickets, grubs and the like, saves time and labor, and has low pollution compared with other technologies for treating seeds or applying pesticides.

The invention discloses a gingko snail killing microemulsion agent and a preparing method, which relates to the technical field of plant source agricultural drug production. The invention takes the seed shell extract of the gingko containing a ginkgoic acid as the source drug, and the invention is made by configuring auxiliary surface active agents, solution agent and antifreeze agent as well as water. The producing method comprises the following operating steps: the gingko external seed shell extract, the microemulsion agent and the solution agent are blended to be an even and transparent oil phase; the steamed water or the deionized water are added slowly to form an oil enclosed water type emulsion during the agitating process; through agitating and heating, the emulsion is rapidly converted into a water enclosed oil type; a steady O or W type emulsion after being cooled to reach the constant indoor temperature is obtained. The invention has fine environmental compatibility of the emulsion conformation, also completely realizes the advantages of the gingko snail killing agent with high efficiency to the snail and safety to people and animals. The microemulsion agent takes water as the main solvent with slight influence to environment. In addition, the invention has remarkable synergism; the LC 50 and LC 90 of the 24h respectively are 0.56mg per liter and 3.5mg per liter, which are obviously better than that of the 24h snail killing effect (LC50 is equal to 1.35mg per liter and the LC90 is equal to 3.85mg per liter) of the external seed shell extract of the original drug.

The invention provides a slow-release pesticide granule and a preparation method thereof, which consists of active ingredient, slow-release coating and auxiliary materials. The slow-release coating consists of the following percentage contents of materials: 1 to 15 percent of water-soluble film-forming agent, 80 to 99 percent of insoluble film-forming agent and 0 to 5 percent of pore-foaming agent, and the slow-release coating accounts for 3 to 20 percent of the slow-release pesticide granule. The following method is adopted for preparation: raw granule is first prepared from the active ingredients and the auxiliary materials; the water-soluble film-forming agent, the insoluble film-forming agent and the pore-foaming agent are then dissolved into solvent, so that form-film solution is obtained; the raw granule is then put into the drum of a coating machine, and after spraying, coating and drying, the slow-release pesticide granule is obtained. The materials of the slow-release pesticide granule disclosed by the invention are easy to obtain, the process is simple, the slow-release pesticide granule is applicable to the preparation of a variety of pesticides, and the prepared product has a good slow-release effect, is safe to crops, and can be applied underground and on the ground to prevent and control harmful organisms.

The invention provides a composition in concentrated form (“the concentrate”) for dilution with water in the preparation of an agricultural composition for application to crops, soil or animals, comprising a carbohydrate-based pH modifying agent and a pH indicator. The agricultural composition comprises an agricultural chemical whose agricultural activity varies with the pH of the water. The proportions of the pH indicator and the pH modifying agent in the concentrate are selected so that when the concentrate is diluted with an appropriate amount of water, the pH indicator indicates visually by colouration of the composition, whether or not the pH of the water is suitable for acceptable agricultural activity of the chemical. The invention also provides a process for preparing the agricultural composition by mixing the concentrate with water, and adding the agricultural chemical to the composition, if it is not already present in the concentrate.

The invention discloses niclosamide membrane spreading oil and a preparation method and applications thereof. The niclosamide membrane spreading oil comprises the following components in mass percent: 1-10% of niclosamide, 5-25% of solvent, 1-20% of nonionic surface active agent, 1-10% of membrane forming assistant agent and the rest of oleic acid ester. The product of the invention is a new-typepesticide formulation which is dropwise applied on the water surface in ultralow volume, is not emulsified and is not dissolved; liquid medicine rapidly spreads into a membranoid substance when touching the water surface; a membrane agent passes through a series of physical processes, such as phase changing and the like, after spreading; and the medicine floats on the water surface in the particles, and the grain diameter of which is less than 0.1 micron. The niclosamide membrane spreading oil has the characteristics of high efficiency, environmental protection, low toxicity, broad spectrum, safety, very simple and convenient use, energy saving and labor saving, no needing of any apparatus, capability of being directly dropwise applied on the surface of water, and low comprehensive cost and the like.

The invention discloses a molluscicide composition containing metaldehyde and emamectin benzoate, and belongs to the field of chemical prevention and treatment. The molluscicide composition comprises the following effective components: the metaldehyde, the emamectin benzoate and an assistant. The molluscicide composition has very good synergistic effects on prevention and treatment of worms of paddy fields, especially ampullaria gigas; the synergistic ratio of indoor bioassay of the molluscicide composition to chilo suppressalis is (10 to 1) to (1 to 80); a field experiment shows that different dosage forms of two medicine compositions have the very good control efficiency on the chilo suppressalis; the control efficiency of the molluscicide composition on the chilo suppressalis after seven days is over 89%; and the control efficiency of the molluscicide composition on the chilo suppressalis after 14 days is over 87%, and is obviously higher than that of a common agent metaldehyde. The molluscicide composition disclosed by the invention has the characteristics of significant synergistic effects, good control efficiency, low amount and the like, is safe to environment and target organisms, is multi-purpose, is capable of treating other insects (such as chilo suppressalis and tryporyza incertulas) on rice, and has a very good effect on delaying the drug resistance of the ampullaria gigas on the metaldehyde.

The invention provides niclosamide ethanolamine salt wettable powder as well as a preparation method and application thereof. The wettable powder is prepared from niclosamide ethanolamine salt, a dispersing and wetting agent, a suspension aid and an anti-caking agent, wherein the dispersing and wetting agent is a compound mixture of fatty alcohol-polyoxyethylene ether and a non-ionic hydroxyl polyethylene oxide block copolymer, and the use amount of the dispersing and wetting agent accounts for 8-15% of the total weight of the raw materials. By using the compound mixture of the fatty alcohol-polyoxyethylene ether and the non-ionic hydroxyl polyethylene oxide block copolymer as the dispersing and wetting agent, a unique steric hindrance effect is provided in the system, so that the stability of the system is effectively kept and the problems of slow wetting, color change and flocculation are solved; the wettable powder is short in wetting time, uniform in dispersion effect, relatively small in particle size distribution, capable of rapidly reaching a target site, free from flocculation for a long time and free from particle aggregation, so that the wettable powder has long-lasting efficacy and applicable to hard water. The wettable powder disclosed by the invention is applicable to the preparation of molluscicidal products and is good in molluscicidal effect.