460results about "Molluscicides" patented technology

Molecules according to Formula One:

and their uses are disclosed herein.

This document discloses molecules having the following formula (“Formula One”)

The molecules disclosed in this document are related to the field of processes to produce molecules that are useful as pesticides (e.g., acaricides, insecticides, molluscicides, and nematicides), such molecules, and processes of using such molecules to control pests.

Molecules having the following structure are disclosed.

Processes of using such molecules are disclosed.

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.

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 discloses a composition containing niclosamide and metaldehyde and a compound suspension thereof. The niclosamide and the metaldehyde are used as active ingredients of the composition, and the mass ratio of the niclosamide to the metaldehyde is (1-50):(1-10). The composition can be applied to preparation of medicaments for preventing and treating trematodiasis. The aqueous suspension containing the niclosamide and the metaldehyde comprises 1-50 percent of niclosamide, 1-10 percent of metaldehyde, 1-5 percent of wetting agent, 1-20 percent of dispersant, 1-10 percent of anti-freezing agent, 0.1-1 percent of preservative, 0.1-1 percent of pH regulator, 0.1-1 percent of defoaming agent, 0.1-2 percent of thickening agent and the balance of deionized water which complements the volume to 100 percent. The aqueous suspension has the advantages of large prevention and treatment spectrum, good oncomelania killing effect, nonuse of an organic solvent, low volatility, low toxicity,safety to people, animals and environments, low granularity, high suspension rate, convenience in use and obvious comprehensive and economic benefits.

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 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 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.

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 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.