2067results about How to "Improve insecticidal effect" patented technology

The invention belongs to the technical field of the farm chemical, and in particular relates to a plant insecticidal protective agent and an application thereof. The invention provides the plant insecticidal protective agent which is recomposed by food suppressing hydrazine and organic phosphorus (I), pyrethroids insecticides (ii), insect growth regulation agent (III), Macrolides (IV), heterocyclic insecticidal component (V), carbamates (VI) or Nereistoxin pesticide and the application thereof. The recomposed insecticidal composite remarkably improves the insecticidal effect, at least has four acting ways at the same time such as touch out, stomach toxicity, internal absorption and antifeedant so as to adequately protect the plant, favors the delay of the production of the drug resistanceof the insects through different acting ways, and enlarges the pest control spectrum. The composite can be widely applicable to the control of different chewing mouthparts, piercing-sucking mouthparts, lapping mouthparts and rasping mouthparts pests.

A botanical environment-friendly pesticide preparation belongs to the technical field of botanical compound pesticides. It is characterized in that the extract of coniferous species is used as the main insecticidal active ingredient, and it is prepared by adding pesticide adjuvants. The raw material composition and weight percentage are: : 50-90% of essential oil extracted from coniferous species; 10-50% of additives; the extract of coniferous species is the essential oil of coniferous conifer and its fractionation products. The present invention uses the essential oil of coniferous species as the main active ingredient, which can be made into concentrated emulsion, powder, wettable powder, water-based spray and aerosol, etc., which can be used to drive away and kill household and agricultural pests and diseases, and can also be used to sterilize crops. It is safe for the environment, has a wide range of sources of raw materials, and is low in cost and easy to popularize and apply.

The invention discloses a preparation method and application of rhamnolipid. In the method, the rhamnolipid is produced by using waste grease as carbon source, and utilizing the fermentation of pseudomonas aeruginosa; and with the combination of the defoaming effect of ethanol, the yield of the rhamnolipid can reach 35 to 50 g/L and the cost is about 25 to 40 percent lower than that of the conventional method. When the solution containing 20 to 500 mg/L of rhamnolipid is used for processing plant disease fungus, the ratio of inhibiting disease fungal mycelium growth and spore germination can reach 40 to 90 percent and the plant fungal diseases can be effectively inhibited; the solution containing 20 to 500 mg/L of rhamnolipid has an obvious effect of killing cockroaches and aphids; and in addition, when the rhamnolipid is used as an aid of pesticide, fertilizer and feed and a dehydrating agent of oil-contained sludge by replacing a chemical surface active agent, the effect is obvious.

The invention discloses circular inflation modified atmosphere grain storage device and method using the device. The device comprises a nitrogen inflation system, a nitrogen preparation circulation system, a grain barn system and an automatic control system. The nitrogen inflation system comprises a nitrogen inflation/preparation unit. The circulation system comprises a nitrogen preparation circulation unit and a circulation pipeline. The grain barn system comprises a barn body, a grain pile, a grain face film gasbag disposed above the grain pile, and a grain storage ventilation pipeline, a nitrogen inflation pipeline, a circular nitrogen inflation pipeline and a gas outlet pipe disposed in the grain pile. The automatic control system comprises a central processor, a nitrogen inflation/preparation unit control module, a nitrogen preparation circulation unit control module, a pressure sensor, an oxygen concentration sensor, and a grain pile temperature/humidity sensor. By cooperative operation of the nitrogen inflation system and the circulation system, the device and the method greatly improve working efficiency, save energy consumption, guarantee grain storage quality, and achieve significant pest killing effect.

The invention relates to avermectin B2a/2b amine derivatives and derivative salts thereof, and a preparation method and an application of the avermectin B2a/2b amine derivative salts. The avermectin B2a/2b amine derivatives comprise six types of compounds. The avermectin B2a/2b amine derivative salts are salts formed by reactions of the six types of avermectin B2a/2b amine derivatives and organic acid and inorganic acid. The preparation method of the avermectin B2a/2b amine derivative salts comprises the steps that: (1) avermectin B2a/2b is subjected to a protective reaction with tert-butyl dimethyl chlorosilane or allyl chloroformate; (2) protected B2a/2b is subjected to a reaction with an oxidant, such that an avermectin B2a/2b ketone compound is obtained; (3) the ketone compound is subjected to an amination reaction, such that protected amine derivative is obtained; and (4) the protective agent is removed, such that B2a/2b amine derivative is obtained; the derivative is subjected to a reaction with organic or inorganic acid, such that avermectin B2a/2b amine derivative salt is obtained. According to the invention, avermectin B2 is adopted as a matrix for synthesizing avermectin B2a/2b amine derivative and avermectin B2a/2b amine derivative salt, such that avermectin B2 applciation range is widened.

The invention discloses a functional nutrition fertilizer, which comprises the following raw materials in parts by weight: 200-500 parts of organic wastes, 20-60 parts of grass carbon, 60-120 parts of livestock manure, 200-600 parts of rice washing water, 50-100 parts of seaweed mud, 10-50 parts of EM bacteria agent, 1-3 parts of ferrous sulfate, 1-3 parts of copper sulfate, 1-3 parts of zinc sulfate, 0.5-2 parts of manganese sulfate, 0.5-3 parts of ammonium molybdate, 0.3-2 parts of sodium tetraborate, 0.3-3 parts of strontium nitrate, 0.5-1 parts of selenium dioxide, 2-6 parts of magnesium sulfate, 3-8 parts of potassium chloride, 2-8 parts of calcium carbonate, 3-10 parts of bentonite, 5-10 parts of urea, 10-50 parts of traditional Chinese medicine extract, and 10-30 parts of traditional Chinese medicine residue fermented product. According to the functional nutrition fertilizer, the nutrition components are complete and balanced, the disease and insect resistance capacity of soil can be enhanced, the fertilizer efficiency of soil can be increased, and the functional nutrition fertilizer has no environment pollution. The invention further discloses a preparation method of the functional nutrition fertilizer.

An insecticide-impregnated fabric that remains sufficiently effective at killing and repelling disease vector insects after repeated washings with detergent and water is described. The fabric is impregnated with an insecticide composition containing an insecticide, a cyclodextrin, and a binding agent. The resulting fabric is useful for providing personal protection against disease-carrying insect vectors, particularly when assembled as a bednet in regions of the world where malaria is prevalent, and will remain effective for a longer period of time before re-impregnation is necessary.

A pesticidal composition comprising synergistically effective amounts of at least one anthranilamide compound represented by the formula (I) or its salt and other pesticide: wherein each of R1a and R1b which are independent of each other, is halogen; each of R2 and R3 is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or cyano; A is alkyl substituted by Y; Y is C3-4 cycloalkyl which may be substituted by at least one substituent selected from the group consisting of halogen, alkyl and haloalkyl; n is 0 or 1; and q is an integer of from 0 to 4; provided that R1a and R1b are not simultaneously chlorine nor bromine.

The invention provides an insecticidal suspending agent containing dinotefuran. The suspending agent is characterized by being prepared from the following components in mass percentage: 1-30% of the dinotefuran, 0.1-35% of a second active component, 3-9% of a wet dispersant, 0.1-0.5% of a de-foaming agent, 1-6% of an anti-freezing agent, 0.1-4% of a thickening agent, 0.1-0.5% of a preservative, 0-2% of a pH (Potential of Hydrogen) adjusting agent, 0-2% of an antioxidant, 0.5-5% of a functional auxiliary agent and the balancing being water, wherein the second active component is one of bifenthrin, imidacloprid, methylamino abamectin benzoate, cyhalothrin, thiamethoxam, indoxacarb, chlorfenapyr, acetamiprid and ethiprole. According to the insecticidal suspending agent, special components are selected and the content of each component is strictly limited; and the prepared insecticidal suspending agent has the very good fast-acting property and lasting period and has the very good prevention effect on tea lesser leafhopper, aleyrodid, thrips, aphids and the like. After the functional auxiliary agent is added, the insecticidal efficacy is improved by 10-12% when being compared with a medicament which is not added with the functional auxiliary agent.

The invention provides a device system for expelling birds, and catching and killing acridid and insect pests in an airport by using a toy helicopter. The device system comprises a zero point energy helicopter which is formed by connecting toy remote-control helicopter with a zero point energy generator. The zero point energy helicopter is respectively connected with a sound-light generator, an inflatable bird expelling device, a high-voltage generator, a high-voltage electric network, a net-barrel high-voltage electric network, an ultraviolet light emitting diode (LED) lamp, an electric shock acridid catching and killing net and an ultramicro spraying device to form a universal zero point energy tyre-type air craft which has the function of expelling bird by airplane, expelling bird by inflation bird, killing sect by electric network, killing acridid by airplane and ultramicro spraying; the zero point energy generator is connected on an electric shaft of a helicopter paddle through rotary magnetic steel; a fixed coil panel is connected below the zero point energy generator so as to regenerate and recharge; two small batteries can make the helicopter continuously fly, thereby saving energy and protecting the environment. The device system is used for expelling birds instead of hurting the birds in the airport, flying in farm lands to catch and kill insects, catching and killing edible acridid in a large area and killing insects by spraying ultramicro pesticides to fruit trees in the upper air, and is low in cost and convenient to manufacture, popularize and use.

The invention discloses a method for killing soil bacteria and insects and improving soil and a special device for killing bacteria and insects, wherein the method for killing soil bacteria and insects and improving soil comprises the following steps: first, rotatably plowing the surface soil, where the rotary plowing depth is not less than 35 cm; second, shoveling the surface soil from the land, and lifting the shoveled surface soil and then baking the surface soil by flame; and third, complementing microorganism, compost and trace element; the special device comprises a box, wherein a shoveling plate is arranged in the front of the box body; a soil inlet is arranged on the front wall of the box body; a transmission shaft is arranged above the back of the shoveling plate; soil-lifting blades are distributed on the transmission shaft annularly; a first tilting plate is arranged on the middle lower part of the box body; a gas pipe is arranged at the top of the box body; and a flame stove is arranged on the box body. When the special device and the method disclosed by the invention are used for killing bacteria and insects, the cost is low, the insect-killing effect is good and the organic activity and microorganism activity in the soil are ensured.

The invention discloses an acaricidal composition containing pyriminostrobin and etoxazole and a use thereof. Active components of the acaricidal composition comprise pyriminostrobin as a first active component and etoxazole as a second active component. A weight ratio of the first active component to the second active component is in a range of 1:7 to 10: 1. The acaricidal composition can be processed into an agriculture acceptable suspending agent, wettable powder, water dispersible granules or a dispersible oil suspending agent. The acaricidal composition has a reasonable formula and good acaricidal effects. The activity and the acaricidal effects of the acaricidal composition are superior to simply superposed activity and acaricidal effects of all the components. Compared with single-component preparations, the acaricidal composition has obvious acaricidal effects, produces obvious synergism, has good crop safety and satisfies pesticide preparation safety requirements. The acaricidal composition has obvious effects of preventing and controlling citrus red mites, European red mites and cotton leaf mites.

The invention discloses a planting method of selenium-rich mangoes. 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 a fertilizer technology such as selenium-rich bio-organic fertilizer, selenium-rich organic-liquid active fertilizer, organic fertilizer 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 mangoes is high, the mango yield is high, the detection indicates that the selenium content of the mango is 0.40-0.45 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 purely natural plant insecticide, relating to an insecticide which is prepared by taking natural plants as raw materials and is applied to various crops of wheat, rice, peanut, soy bean, vegetables, fruits, and the like. The purely natural plant insecticide is characterized by comprising the following components in parts by weight: 10 to 18 parts of pine needle, 4 to 10 parts of sophora flavescens, 4 to 12 parts of southernwood, and 60 to 80 parts of 70-100% alcohol. The manufacture method comprises the following steps of: crashing each raw material, placing the raw materials to the alcohol, sealing a hole, soaking the raw materials for 20 to 35 days, filtering the mixture to form liquid medicine, and preserving the liquid medicine to a pot or a bottle. The invention has the advantages of wide insecticidal range, no toxic to plants, people and animals, good insecticidal effect, capability of replacing low toxicity pesticides, vast potential for future development, less investment for manufacture equipment, simple preparation processing, easy popularization and benefit for peasants, and can kill pests of whiteflies, aphides, red spiders, liriomyza, thrips, cotton bollworms, pink worms, caterpillars, dark greyish green moths, small noctuids, needle rollers, and the like.

The invention relates to a composition of novel nicotinamide insecticide nitenpyram. The preparation of the composition is a binary composition containing nitenpyram and the other insecticide. The other insecticide is buprofezin, pymetrozine, chlorpyrifos, thiamethoxam, fipronil, thiacloprid, dinotefuran, and the like. The preparation can be processed into new formulations of water dispersible granule, wettable powder, aqua, aqueous emulsion, soluble powder, colloidal suspension agent, and the like, wherein water is used as a solvent, an organic solvent is not used or used less so that the preparation has low toxicity and low residue and is environment-friendly. The nicotinamide insecticide is made of plant source farm chemical nicotinamide, and mainly acts on an acetylcholin esterase receptor of pests and the central nervous system of insects, thus the nicotinamide insecticide has high efficiency and selectivity and is safe to mammals. Compounded with other insecticides, the nicotinamide insecticide can improve the drug effect and enlarge the serviceable range. The novel nicotinamide insecticide is the optimal variety to replace highly-poisonous organophosphorus and organochlorine insecticides. The preparation of the novel nicotinamide insecticide is applied to controlling piercing mouth parts insects for rice, vegetables and other crops, and has the characteristics of low toxicity, low residue, less dosage, long lasting period, safety and no drug injuries to crops, and the like.

The invention discloses an in vitro insecticidal shampoo for pets and a preparation and application method thereof. The in vitro insecticidal shampoo for pets comprises 0.1-10 part(s) by weight of insecticidal active ingredient, 3-18 parts by weight of solvent, 10-35 parts by weight of washing ingredient, 1-20 part(s) by weight of other assistants and 40-80 parts by weight of water, wherein the insecticidal active ingredient is mixture of rotenone and chlorantraniliprole. When the in vitro insecticidal preparation for pets is applied, in vitro parasites on the pets can be killed through medicated bath. The in vitro insecticidal preparation for pets can be used conveniently and has significant preventive effect on in vitro parasites harmful to the livestock or pets, such as ticks, fleas, lice, mites and the like.

The invention relates to a feed additive specially used for tilapia. The feed additive is prepared by grinding and mixing the following raw materials in parts by weight: 5-8 parts of rhizoma anemarrhenae, 5-8 parts of catalpa leaves, 5-8 parts of the fruit of Chinese wolfberry, 4-7 parts of rheum officinale, 3-7 parts of cortex magnoliae officinalis, 3-6 parts of agastache rugosus, 3-5 parts of the root of red-rooted salvia, 2-4 parts of radix astragali, 1-2 parts of platycladi seeds, 1-2 parts of acalypha australis, 1-2 parts of bighead atractylodes rhizome and 10-25 parts of a carrier. The feed additive specially used for the tilapia obviously improves the economic benefit of tilapia aquaculture, remarkably improves the anti-stress capability of the tilapia, improves the immunocompetence of the tilapia and reduces the occurrence of nutritional fatty liver disease and streptococcicosis in an aquaculture process, so that the survival rate of the tilapia is increased by 15-22%; and furthermore, the feed additive can promote the growth of the tilapia, and improves the quality of the tilapia meat.

The invention provides homogeneous and high-efficient water-based pesticide aerosol with low VOC (Volatile Organic Compounds) content. The homogeneous and high-efficient water-based pesticide aerosol comprises the following components in parts by weight: 25-40 parts of dimethyl ether, 40-60 parts of de-ionized water, 10-20 parts of edible alcohol with mass-percentage concentration of 95 percent, 0.05-2 parts of dimefluthrin, 0.1-0.4 part of rich-d-transallethrin, 0.1-0.3 part of permethrin, 0.05-0.2 part of d-trans-cyphenothrin, 0.05-0.2 part of sodium benzoate, 0.05-0.2 part of sodium nitrite, 0.05-0.2 part of sodium dodecyl sulfate succinate, 0.05-0.2 part of triethanolamine, 0.1-1.0 part of synergist and 0.1-0.5 part of essence. According to the homogeneous and high-efficient water-based pesticide aerosol with low VOC content, disclosed by the invention, the advantages of good atomizing effect and insert-killing effect can be achieved without vibration and shaking before use.