50 results about "Pyrethrum extract" patented technology

The invention discloses an environment-friendly agricultural seed coating agent which is prepared from, by weight, 3.5-6.5 parts of derris root powder, 3-7 parts of fig extracts, 1.5-6.5 parts of plant activator proteins, 3-6 parts of nano-aqueous adhesive, 0.2-1 part of polyethylene glycol acrylate, 4-8 parts of sodium alga acid, 10-20 parts of oligosaccharins, 0.5-1.5 parts of pyrethrum extracts, 3-5 parts of veratrine, 2.5-5.5 parts of melia azedarach fresh leaf powder, 2.5-8 parts of sucrose ester, 1-3 parts of bacillus cereus, 1-3 parts of bacillus licheniformis and 10-20 parts of water. According to the coating agent, most of materials come from plants, the coating agent has the advantages that coating agent is high in efficiency, low in toxicity, less in residue, good in fast-acting property, long in lasting period and environmentally friendly, drug resistance is not easily generated and the like, and the yield and the quality of plants are not affected.

The invention discloses a special leaf fertilizer for fruits and a preparation method of the fertilizer, and relates to the technical field of fertilizers. The leaf fertilizer comprises sodium selenite, citric acid, zinc sulfate, iron sulfate heptahydrate, monopotassium phosphate, niacin amide, moringa seed extracts, pyrethrum extracts, bamboo vinegar and fungicides. The preparation method includes mixing raw materials by stages through a magnetic stirrer. The special leaf fertilizer for the fruits is natural, green, environmentally friendly, high in efficiency, obvious in yield-increasing effect and free from pesticide and chemical fertilizer residues, can prevent fruit tree diseases and insect pests, can produce organic pollution-free fruit products and has a good market prospect.

The invention provides a process for producing pyrethrum through subcritical continuous extraction, which belongs to the technical field of plant active ingredient extraction and solves the problems of excessive solvent extraction times in a pyrethrum extracting process and the like. An extraction device comprises four extraction pots, wherein a liquid inlet pipe and a liquid outlet pipe are arranged on each extraction pot; and a solvent circulating pipe is arranged between a solvent inlet pipe and a solvent outlet pipe. The continuous extraction process comprises a primary material extraction stage, a secondary material extraction and four stages, namely circulation stage I, circulation stage II, circulation stage III and circulation stage IV; an adopted solvent is in a subcritical state; dried flower raw materials of the pyrethrum are placed in the extraction pots; a new solvent is added from the solvent inlet pipe and is transferred to a concentration stage through the solvent outlet pipe after extraction; and the pasty extract in a concentration pot is the finished product. In the process of the invention, the solvent concentration and recirculation times are few; the production period is short; and the production cost is reduced.

The invention discloses a fruit tree diseases-prevention bud-development seedling-protection promoter. The active components comprise the following ingredients in parts by weight: 5.0-30.0 parts of a plant source bactericide, 1.0-5.0 parts of carbendazim, 10.0-35.0 parts of sophora alopecuroides, 0.01-1.0 parts of indolebutyric acid, 0.01-1.0 parts of a brassinolide agent with concentration of 0.0075%, 0.05-5.0 parts of potassium dihydrogen phosphate, 0.05-5.0 parts of ferrous sulphate, 0.05-5.0 parts of zinc sulfate, 0.05-5.0 parts of manganese sulfate, and 10.0-20.0 parts of potassium humate. The plant source bactericide is one or a composition from a neem extract product, an argy wormwood extract product, a sophora flavescens extract product, a pyrethrum extract product, and a red-knees herb extract product. The application method is characterized in that in 1-30 days after the fruit trees are trimmed, the cut edge on the section surface of the branches of a fruit tree is sprayed with the fruit tree diseases-prevention bud-development seedling-protection promoter, rooting growth can be promoted for the fruit trees, germination and leaves growing are rapidly promoted, insect disease generation is inhibited, output is increased, the application of the promoter is wide, the promoter can be used on fruit trees such as peach, grape, apricot, pear, mango, lichee and longan trees, and the market application prospect is large.

The present invention provide pesticidal compositions containing a pesticidal natural oil and/or a pesticidal botanical extract and/or a pesticidal natural fungal entomopathogen, that can be used to control pests by killing the pests, preventing or reducing feeding, preventing or reducing eclosion of their eggs, or the like. These composition exhibits effective or more rapid knockdown pesticidal activity, and synergistic pesticidal activity. Some embodiments can be used to control pests including insects and/or arachnids, including arthropods such as whiteflies. The pesticidal natural oil is neem oil, the pesticidal botanical extract is refined pyrethrum extract and the pesticidal natural fungal entomopathogen is Beauveria bassiana strain GHA.

The alpha-cypermethrin anti-fouling preparation is one kind of efficient environment friendly marine use anti-fouling preparation prepared with artificially synthesized derivative of pyrethrin as the pyrethrum extract and has low cost, high efficiency and environment friendship. Alpha-cypermethrin has the molecular expression of C22H19Cl2NO3, molecular weight of 416.35 and molecular structure as shown.

The invention discloses degerming anti-flea powder for pets. The degerming anti-flea powder comprises the following components in parts by weight: 40-80 parts of kieselguhr, 5-15 parts of boric acid powder, 3-10 parts of calcium ion powder, 1-5 parts of cortex meliae extract, 1-5 parts of mint extract, 3-8 parts of radix stemonae extract powder, 1-5 parts of pyrethrum extract, 1-5 parts of radix sophorae flavescentis extract, 2-10 parts of lemon powder and 2-10 parts of cymbopogon citratus powder. Biologically compounded plant preparation is adopted for killing insects, compared with the prior art, the degerming anti-flea powder has the advantages that the operating environment does not need to be taken into consideration, and the safety of pets or people cannot be influenced under any environment. A reagent with specificity capable of killing larvae and adults is used in the environment, one of prevention and cure targets is that fleas on the skins of animals can be cleared, and the other target is that the propagation of the fleas is inhibited, so that the propagation and development process of the fleas can be effectively inhibited, and the touch killing can reach 99%. The degerming anti-flea powder for pets has good application prospect.

The invention discloses a synergistic bio-composite insecticidal pesticide for gardening and a preparation method thereof. The pesticide is prepared from, by weight, 16-25 parts of extract liquid of euphorbia helioscopia, 8-14 parts of bergenin std., 6-11 parts of extract of pyrethrum cinerariifolium, 7-11 parts of attapulgite powder, 3-5 parts of sophora flavescens alkaloids, 4-7 parts of chili,2-6 parts of folium artemisiae argyi, 15-21 parts of euphorbia nematocypha, 7-12 parts of tea saponin, and 6-12 parts of pumpkin leaves. In the invention, by means of effective ratio of the extract liquid of euphorbia helioscopia, the bergenin std., the extract of pyrethrum cinerariifolium, the attapulgite powder, the sophora flavescens alkaloids, the chili, the folium artemisiae argyi, the euphorbia nematocypha, the tea saponin and the pumpkin leaves, the pesticide is produced. The preparation method is simple. The pesticide has significant effect of killing pests and has no residue, is freeof polluting soil, water source and crops, can be degraded in natural environment, is free of damage on human and animals and generation of drug resistance in pests, is prepared from natural raw materials and is toxic-free, and has good insecticidal effect when being directly applied to flowers.

The invention discloses an insect pest preventing efficient slow release fertilizer for Chinese cabbages. The insect pest preventing efficient slow release fertilizer is prepared from the following raw materials: thoroughly decomposed pig manure, fermented bean dregs, composite urea, diammonium phosphate, a calcium-magnesium phosphate fertilizer, rock flour, pine needle mulch, borax, talcum powder, shell powder, a microbial agent, citric acid, tartaric acid, seaweed meal, radix glycyrrhizae, wood vinegar, a folium meliae azedarach extracting solution, a pyrethrum extracting solution, and an envelope agent. The insect pest preventing efficient slow release fertilizer for Chinese cabbages disclosed by the invention is reasonable in formula, is high in fertilizer utilization rate, is good inslow release effect, does not need to top dressing after once fertilizer application, further can improve the quality of Chinese cabbages while increasing the yield of the Chinese cabbages, is small in environmental harm after being applied, and can effectively improve physical and mechanical properties of soil.

The invention discloses a rice seed treating agent. The rice seed treating agent is prepared from, by weight, 20-35 parts of clothianidin, 15-28 parts of chitosan oligosaccharide, 18-30 parts of aminooligosaccharide, 10-16 parts of gibberellin, 18-30 parts of sodium lignosulfonate, 12-20 parts of derris root powder, 5-10 parts of pyrethrum extracts, 22-36 parts of a dispersing agent, 15-28 partsof a film forming agent, 5-12 parts of a defoaming agent, 8-14 parts of a thickening agent, 15-20 parts of an anti-freezing agent and 300-500 parts of water. The invention also discloses a preparationmethod of the treating agent. The preparation method comprises the following steps of mixing clothianidin, clothianidin ammonia, oligosaccharin, gibberellin, sodium lignosulfonate, the dispersing agent, the defoaming agent, the anti-freezing agent and the water; performing ultrasonic dispersion, sequentially adding the derris root powder, the pyrethrum extracts, the film forming agent and the thickening agent, and then conducting ultrasonic dispersion to obtain the treating agent. The treating agent can achieve sterilization, pest extinguishment and disease resistance, promote seed germination, improve the quality of the rice and increase the yield of the rice.

The invention discloses a botanical bactericide for preventing sweet potato wilt and a preparation method thereof. The botanical bactericide is prepared from, by weight, 20-30 parts of pyrethrum extracts, 10-20 parts of fennel extracts, 5-20 parts of cortex pseudolaricis extracts, 10-20 parts of fructus cnidii extracts, 10-15 parts of herba artemisiae scopariae extracts and 10-15 parts of fortune eupatorium herb extracts. The botanical bactericide is good in sweet potato wilt prevention and treatment effect and free of toxic and harmful effects on human beings and livestock.

The invention discloses a disease-and-pest preventing fertilizer special for selenium-enriched dendrobium officinale. The disease-and-pest preventing fertilizer is made from tea dregs, rice bran, distillers' grains, cushaw stem, cow dung, fishbone dust, sepiolite, selenium-enriched corncob powder, selenium-enriched yeast, chlorella powder, coal ash, diammonium phosphate, EDTA (ethylene diamine tetraacetic acid) chelated zinc, potassium sulfate, manganese sulfate, sodium selenite, pyrethrum extract, loropetalum chinense leaf extract and fructus cnidii extract. The invention further discloses apreparation method of the disease-and-pest preventing fertilizer special for selenium-enriched dendrobium officinale. The prepared fertilizer special for selenium-enriched dendrobium officinale has the advantages that the fertilizer has rich nutritional ingredients, can meet various nutrition needs of the selenium-enriched dendrobium officinale during growth, can effectively prevent and treat softrots, anthracnose, black spots, phenacaspis cockerelli and the like, and is beneficial to yield increase of the selenium-enriched dendrobium officinale.

A technical scheme adopted by the invention is as follows: a soil remediation essence for pear tree branch rot comprises carbon nanopowder, bamboo fiber dust, disodium edetate, zineb, a pyrethrum extract, Bacteroides fragilis, Clostridium bifermentans, aspergillus niger, a glucose solution, amino acid, a complex enzyme preparation, manganese sulfate, potassium sorbate and purified water. The soilremediation essence is characterized by being prepared from the raw materials: 5% of carbon nanopowder, 7% of bamboo fiber dust, 8% of disodium edetate, 5% of zineb, 7% of pyrethrum extract, 6% of Bacteroides fragilis, 5% of Clostridium bifermentans, 6% of aspergillus niger, 8% of glucose solution, 7% of amino acid, 6% of complex enzyme preparation, 5% of manganese sulfate, 5% of potassium sorbateand 20% of purified water. The soil remediation essence has the beneficial effects that soil can be effectively improved, harm to pear trees and other plants caused by residual pesticides can be reduced, and death of whole trees caused by pear tree root system withering caused by residual pathogens can be avoided.

The invention relates to a special disease-preventing composition for paddy rice, which is prepared from the following materials in parts by weight: 1 to 5 parts of pyrethrum extract, 1 to 3 parts ofallicin and 1 to 3 parts of methylisothiazolinone. By preparing the disease-preventing composition for paddy rice from the pyrethrum extract, allicin and methylisothiazolinone and adding the special disease-preventing composition for paddy rice into an ecological fertilizer for paddy rice growing, and the ecological fertilizer can remarkably reduce the incidence of diseases, such as yellow rice borer disease, leaf folder disease and rice false smut, when applied to paddy rice growing, thus remarkably increasing the acre yield of paddy rice fields.

The invention discloses a prevention and control method for phenacaspis dendrobii kuwana of dendrobium officinale and application of the method. The method comprises the steps that a planting matrix containing plant smashing bodies is adopted and prepared from 10 parts of weak acid soil, 20-40 parts of thoroughly-decomposed earthworm excrement, 10-20 parts of peanut shells, 13-30 parts of wheat bran, 10-20 parts of lemon grass, 15-25 parts of bead tree leaves, 10-25 parts of red-knees herbs, 10-20 parts of soybean meal, 5-15 parts of vermiculite powder, 1-5 parts of potassium nitrate, 0.5-1.5parts of dicalcium phosphate and 1-3 parts of lysine; a nutrient solution containing a plant extract is adopted for spraying in the growth process and prepared from 5-25 parts of tobacco extract, 10-30 parts of rue extract, 10-25 parts of pyrethrum extract, 2-6 parts of magnesium sulfate, 1-5 parts of zinc nitrate and 1-3 parts of sodium carboxymethyl cellulose. The method is low in cost and needsfew working processes, the special planting matrix, the special nutrient solution and special growth hormones are adopted for being soaked, in combination with other treatment processes, the incidence of phenacaspis dendrobii kuwana of dendrobium officinale can be obviously lowered, and the effect is obvious.

The invention relates to a preparation method of a special paddy rice disease control composition, which is composed of following raw materials in parts by weight: 1 to 5 parts of pyrethrum extract, 1to 3 parts of garlicin, and 1 to 3 parts of methyl isothiazolinone. The special paddy rice disease control composition, which is prepared from pyrethrum extract, garlicin, and methyl isothiazolinone,is added into a paddy rice organic fertilizer; can obviously reduce the happening rate of diseases such as diseases caused by tryporyza incertulas, diseases caused by leaf folders, false smut, and the like, and thus prominently increases the acre yield of paddy rice.

The invention discloses an improved fertilizer for garden planting soil and a preparation method of the improved fertilizer. The improved fertilizer is prepared from the following components in partsby weight: 30-40 parts of plant ash, 20-30 parts of medical stone, 30-50 parts of diatomite, 10-15 parts of a calcium magnesium phosphate fertilizer, 15-20 parts of straw, 30-40 parts of bentonite, 5-10 parts of quick lime, 15-20 parts of livestock and fowl excrement, 6-10 parts of ginkgo biloba extracts, 8-15 parts of cortex meliae extracts, 15-20 parts of pyrethrum extracts, 5-12 parts of natural zeolite, 8-15 parts of attapulgite, 25-30 parts of sludge and 30-40 parts of deionized water. The improved fertilizer for garden planting soil and the preparation method of the improved fertilizer have the advantages that firstly, soil structure formation is facilitated, fertilizer and water retaining capability of the soil is improved, the loss of nutrients in the fertilizer is reduced, the nutrient absorbing capability of the soil is improved, and the nutrient releasing speed of the fertilizer is reduced, so that the soil can sufficiently absorb the nutrients; secondly, pests and bacteriacan be killed, the insect expelling effect is achieved, trees can grow healthily, and good application prospect is brought.

The invention provides an environment-friendly new material for preventing and controlling pests and a preparation method thereof. The new material comprises the following raw materials in parts by weight: 2-3.2 parts of pyrethrum extract, 0.4-0.8 part of houttuynia cordata extract, 0.3-0.6 part of menthol, 1-1.6 parts of capsaicin, 0.3-0.6 part of eucalyptus oil, 16-23 parts of plant fiber powder, 20-28 parts of activated carbon powder, 5-10 parts of montmorillonite and 26-35 parts of vermiculite powder. The new material for preventing and controlling the pests prepared by the method can not only effectively kill the pests contacted with the material in a short time, but also has good odor, good pest prevention effect, good slow release effect, long-term effectiveness, easy acquisition of various substances, no pollution to the environment, and environmental friendliness.

The invention belongs to the technical field of botanical pesticides and particularly relates to a pesticidal insecticide containing vetiver grass, and a preparation method and application of the pesticidal insecticide. The pesticidal insecticide is prepared from the following materials in parts by weight: 12 to 20 parts of vetiver grass herba extract, 5 to 10 parts of pyrethrum cinerariifolium, 3 to 5 parts of tuberostemonine, 60 to 100 parts of alcohol solution, 15 to 35 parts of glycerinum and 80 to 120 parts of water. The pesticidal insecticide has the advantages that the source of plant materials is wide, the toxic and side effects to a human body are less, insects cannot easily generate resistance to the insecticide, the cost is low, the environmental-friendly effect is achieved, the extraction of effective components in all plant materials is complete, the formula is reasonable and the preventing and controlling effects on insect damage are obvious.

The invention provides a brand-new method for preventing and treating taro skin rot. A 42.8% fluopicolide-trifloxystrobin suspending agent or a 41.7% fluopyram suspending agent is mainly adopted; a pyrethrum extract is added; soil disinfection, seed taro treatment and liquid medicine root irrigation are conducted; the population density of echinococcus faecalis on taros is reduced, and therefore,the skin rot disease of the taros is prevented and treated. The method provided by the invention can prevent and treat the harm of the echinococcus faecalis on the taros in a more efficient, lower-dosage and more environment-friendly manner, reduce the occurrence of the skin rot diseases of the taros, guarantee the benefits of farmers and achieve remarkable economic, social and ecological benefits. In addition, the invention further discloses application of the 42.8% fluopicolide-trifloxystrobin suspending agent or the mixture of the 41.7% fluopyram suspending agent and the pyrethrum extract to the preparation of the echinococcus faecalis control agent for crops such as taros.

The invention provides a Chinese herbal medicine composition for replacing pesticides to repel, prevent and control diseases and insect pests and a method of the Chinese herbal medicine composition. The Chinese herbal medicine composition comprises the following components: a tea seed cake extract, a hot pepper extract, a sophora flavescens extract, a humus extract, a veratrum nigrum extract, a flue-cured tobacco stem extract, a camphorwood residue extract, a derris root extract, a pyrethrum extract and a fructus cnidii extract. Green plant source components with Chinese herbal medicines as raw materials are adopted for common pest control, and the result shows that the repelling and killing effects of pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars are obvious and can reach 90% or above. The structures of the raw materials and the composition are analyzed by Fourier transform infrared spectroscopy and the like, and the result shows that the Chinese herbal medicine composition contains characteristic peaks of effective components of the Chinese herbal medicine raw materials, and integrates excellent performance of the effective components of the Chinese herbal medicine; and the composition can be used for repelling and preventing common citrus diseases and insect pests such as Psyllidae, red spiders, aphids, Phyllocnistis citrella, Icerya purchasi, phyllocoptruta oleivora and cabbage caterpillars.

The invention relates to a preparation method of an ecological fertilizer for rice planting. The ecological fertilizer comprises the following raw materials in parts by weight: 10-20 parts of corn straw, 10-15 parts of rice straw, 15-30 parts of cottonseed hull, 10-20 parts of rapeseed cake, 12-18 parts of bagasse, 20-30 parts of pig manure, 0.5-2 parts of compound bacteria and 1-2 parts of a ricedisease control composition, wherein the rice disease control composition comprises the following raw materials in parts by weight: 1-5 parts of a pyrethrum extract, 1-3 parts of allicin and 1-3 parts of methyl isothiazolone. Through application of the ecological fertilizer during rice planting, the incidence rates of a rice stem borer disease, a leaf folder disease, rice false smut and other diseases can be significantly reduced, so that the rice yield per mu (a Chinese area unit) is significantly increased.

Disclosed are pyrethrin-based insect control compositions which have been formulated to reduce wick clogging. An acetylenic hydrocarbon having at least two terminal alkyne groups, such as 1,8-nonadiyne, together with an antioxidant such as dilauryl thiodipropionate, are used to reduce clogging caused by components of pyrethrum extract.

The invention discloses a crop insecticide. The crop insecticide is prepared from the following raw materials in parts by weight: 20 to 30 parts of Xing'an radix angelicae dahurioae root extract, 10 to 20 parts of sun euphorbia herb extract, 5 to 10 parts of radix euphorbiae lantu root extract, 30 to 40 parts of Xing'an falsehellebore root and rhizome extract, 40 to 45 parts of herba chelidonii extract, 10 to 15 parts of lightyellow sophora root extract, 20 to 30 parts of seed of sophora alopecuroides extract, 10 to 20 parts of celastrus angulatus extract, 10 to 20 parts of radix euphorbiae extract, 30 to 35 parts of pyrethrum extract, 10 to 15 parts of common threewingnut root extract, 5 to 10 parts of coriaria sinica maxim seed extract and 20 to 30 parts of polygonum hydropiper whole plant extract. The invention also discloses a preparation process of the crop pesticide. The insecticide has strong efficacy, can kill crop pests in a short time, and does not cause resistance to pests.By adopting pure natural raw materials, the crop insecticide is easy to decompose, is environmentally friendly, and does not pollute the environment.