49results about How to "No pesticide residue problem" patented technology

The invention discloses a fungus insecticide fertilizer relating to the technical field of pesticides and fertilizers. The fungus insecticide fertilizer comprises the following components: 0.05-1 percent of injurious insect pathogenic fungi, 5-90 percent of organic nutritional ingredients, 0-5 percent of trace chemical pesticides and 10-80 percent of fillers. The fungus insecticide fertilizer can be widely applied to prevention and control of soil insects of vegetables, peanuts, soybeans, potatoes, wheat, corn and other crops, and has a certain prevention effect to nematode. The fungus insecticide fertilizer is used for preventing and controlling agricultural insects, has the advantages of safety, environmental friendliness, no residue, wide control spectrum, strong target property and strong regeneration continuity, has the functions of fertilizing and improving the soil structure, and is an ideal product for solving the problem of chemical pesticide residue and developing the environment-protection agriculture.

The invention relates to the technical field of cultivation of edible fungi and in particular relates to a cultivation method of dictyophora indusiata. The cultivation method comprises the following steps: manufacturing a fungus bed, sowing seeds, managing and harvesting. The yield per square meter of dictyophora indusiata cultivated by the cultivation method is increased by 40.6g to 44.4g; chemical components in the dictyophora indusiata are measured and a measurement result finds out that the dictyophora indusiata has low fat content and relatively high protein content; furthermore, the content of lead, cadmium, cadmium and arsenic reaches national standards. Therefore, the dictyophora indusiata is cultivated by taking pennisetum sinese as a culture material and a product is a low-fat and high-protein food; the product accords with selection standards of consumers of the present stage and is a good-quality green product.

The present invention specifically discloses a diamondback moth larva pure artificial feed and a preparation method thereof. The feed contains malt powder, casein, sucrose, a multivitamin mixture, cellulose, agar and other auxiliary materials, and is determined through comparison and optimization. According to the present invention, the feed contains nutrients required by health growth of diamondback moth larva, and the ratio of various components is within a normal range; the feed is not added with vegetable leaf powder components, such that no pesticide residue in the feed is ensured, and the fed diamondback moth is the pure line sensitive species; and with the feed, a lot of diamondback moth polypides with characteristics of uniform development and the same instar can be obtained, and scientific research requirements can be completely met.

The invention relates to a pesticide composition containing parslane herb and common monkshood mother root extracts, and a preparation method and application thereof, and belongs to the field of pesticides. In order to solve technical problems, the invention provides the pesticide composition containing the parslane herb and common monkshood mother root extracts, and the preparation method and application thereof. According to the pesticide composition containing the parslane herb and common monkshood mother root extracts, active ingredients of the pesticide composition are extracted from 1 weight part of parslane herb and 0.2 to 4 weight parts of common monkshood mother root; the active ingredients are prepared by mixing the parslane herb and the common monkshood mother root and extracting together, or prepared by separately extracting the parslane herb to obtain the parslane herb extract, separately extracting the common monkshood mother root to obtain the common monkshood mother root extract, and mixing the two extracts. The pesticide composition containing the parslane herb and common monkshood mother root extracts has an obvious effect of controlling Lepidoptera pests, and has positive significance for agricultural production.

The invention discloses multi-enzyme bacterial manure for a tea forest, and a preparation method thereof. The technical scheme is as follows: the bacterial manure comprises 30% of organic humic acid, 25% of turf, 10% of vegetable protein, 10% of plant active enzyme, 5% of syrup, 5% of saccharomycetes, 5% of marmalade, 3% of trichoderma sp, 4% of bacillus subtilis and 3% of bacillus licheniformis. The formula has activated soil, the plant active enzyme for increasing the fertility, and a plurality of probiotics, so that the tea tree blossoms, and the yield is improved. The formula also has the components for resisting diseases and harmful bacteria, so that the capability of the tea tree for resisting plant diseases and insect pests is improved; use of a pesticide is removed. Therefore, the produced tree does not generate the problem of pesticide residue.

The present invention relates to a plant growth regulator and applications thereof, particularly to a double-component compounding plant growth regulator adopting brassinolide and vitamin as active components. The technical problem solved by the invention is to provide a low-cost plant growth regulator. The active components of the plant growth regulator of the present invention comprise, by weight, 0.0001-0.1 part of brassinolide and 0.1-80 parts of vitamin, wherein the vitamin is at least one selected from vitamin B and vitamin D. The plant growth regulator of the present invention has characteristics of significant plant growth regulation effect, crop yield increasing, low cost, safe use, and wide use concentration range, and provides the substantially-reduced drug hazard risk compared with the single use of the plant hormone.

The invention relates to a pesticide composition containing lightyellow sophora root and veratrum nigrum extracts, and a preparation method and application thereof, and belongs to the field of pesticides. In order to solve technical problems, the invention provides the pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts, and the preparation method and application thereof. According to the pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts, active ingredients of the pesticide composition are prepared by extracting 1 weight part of lightyellow sophora root and 0.5 to 8 weight parts of veratrum nigrum together; furthermore, the active ingredients are prepared by extracting the lightyellow sophora root and the veratrum nigrum together through an ethanol solution. The pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts is prepared by mixing the lightyellow sophora root and the veratrum nigrum and extracting together, the content of total alkaloids is greatly increased, and the pesticide composition can well kill Homoptera pests such as aphid, scale insect and whitefly, and Hemiptera pests such as green plant bug, so the pesticide composition has positive significance for agricultural production.

The invention relates to a pesticide composition containing matrine and rotenone and a use thereof, and belongs to the field of pesticide. The invention provides the pesticide composition containing matrine and rotenone and the use thereof. The pesticide composition has a simple formula and a low cost. Active components of the pesticide composition comprise, by weight, 0.3-1.5 parts of matrine and 1-5 parts of rotenone. The invention also provides the preparation method and the use of the pesticide composition containing matrine and rotenone. Through the synergism of matrine and rotenone as the active components in the pesticide composition, the pesticide composition has excellent effects of preventing and controlling thrips and other thysanoptera insects, causes pesticide resistance difficultly and has the advantages of simple components, low cost and good prevention and control effects.

The invention relates to a pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as a preparation method and application thereof and belongs to the field of pesticides. Aiming at solving the technical problems, the invention provides the pesticide composition containing the sophora alopecuroide and vetchleaf sophora root extract. According to the pesticide composition containing the sophora alopecuroide and vetchleaf sophora root extract, active ingredients are obtained by extracting the following raw medicinal materials in parts by weight: 10-30 parts of sophora alopecuroide and 1 part of vetchleaf sophora root. The common sophora alopecuroide and vetchleaf sophora root extract has a synergistic interaction effect and obvious prevention and treatment effects on crop powdery mildew; the sophora alopecuroide and the vetchleaf sophora root can be commonly extracted so that the content of sophoridine, sophocarpidine and other sterilization active components of which main groups are the same as those of sophoridine and sophocarpidine is improved; the powdery mildew is prevented and treated, the immune system capability of crops can be improved, and the activity can be remarkably improved; Chinese herbal medicines are used as the raw materials so that a pesticide residual problem does not exist; compared with a manner of singly using a chemical source pesticide, the pesticide composition is environmentally friendly; and the effective concentration is low when the pesticide composition is used and the cost is low.

The invention relates to a pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts as well as a preparation method and use of the pesticide composition, belonging to the field of pesticides. The invention solves the technical problem that the pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts is provided. The pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts provided by the invention is prepared by extracting the active ingredients radix sophorae flavescentis and fructus cnidii mixed by alcoholic liquor, wherein the weight ratio of radix sophorae flavescentis to fructus cnidii is 1: (0.2-5). According to the pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts, the ingredients have the synergistic interaction and are wide in bacteriocidal spectrum, and the pesticide composition is co-extracted from two plants, so that the pesticide composition is low in cost and free from pesticide residue, thereby greatly reducing the risk of generating phytotoxicity.

The invention relates to a pesticide composition containing black false hellebore and acorus calamus extracts as well as a preparation method and an application, belonging to the field of pesticides. The active ingredients of the pesticide composition are extracted from the following crude drugs in parts by weight: 1 part of black false hellebore and 0.5-6 parts of acorus calamus. The active ingredients can be extracted from the crude drugs black false hellebore and acorus calamus jointly after black false hellebore and acorus calamus are mixed and can be also prepared by firstly extracting black false hellebore extracts from black false hellebore independently and extracting acorus calamus extracts from acorus calamus independently and then mixing the two kinds of extracts. The pesticide composition containing black false hellebore and acorus calamus extracts has obvious control effects on homoptera and acarina pests and has positive significance for agricultural production.

The invention relates to a network type solar energy LED pyralidae insect trapping lamp. The network type solar energy LED pyralidae insect trapping lamp structurally comprises a solar positioning system, a control module, an LED light box, a solar photovoltaic module, a trapped insect collecting box and a lampstand. According the network type solar energy LED pyralidae insect trapping lamp, by means of the sensitivity of pyralidae insects to light with a wavelength of 320-400 nm, the living habits and the physiological property of night flying of the pyralidae insects and by calculating time and angles through the solar positioning system, a computer software system automatically computes trapping time according different seasons and automatically power on LED lamps at the specific flying time angle of the pyralidae insects through wireless network to achieve trapping; a trapped insect collector above an LED lamp disc performs trapping and collection. The network type solar energy LED pyralidae insect trapping lamp can reduce the number of pyralidae insect colonies, and by means of a physical prevention method, can avoid the problems such as drug resistance and environmental pollution due to utilization of pesticides to achieve a green and pollution-free planting mode.

The invention belongs to the field of pesticide compounding, and specifically relates to a bactericidal composition containing emodin methyl ether and brassin and a preparation method thereof. The active components of the bactericidal composition are emodin methyl ether and brassin, and the weight ratio of brassin to emodin methyl ether is 0.001-0.5:0.1-100. A prominent synergetic effect is generated by compounding emodin methyl ether and brassin according to a certain ratio; the generation of drug resistance is retarded, the residual amount of preparation is little, the growth of crops is promoted, and the bactericidal composition is pollution-free to crops and safe and meets the safety requirements of pesticide preparation. The bactericidal composition has a prominent control effect on diseases such as powdery mildew, gray mold, downy mildew, virus diseases, leaf mold, anthracnose, rust disease, wilt, plague, and the like, and also has a good effect on regulating the growth of crops.

The invention relates to a pesticide composite containing a lantana extract and an azolla imbricata extract, a preparation method and an application, and belongs to the field of pesticides. The invention aims at providing the pesticide composite containing the lantana extract and the azolla imbricata extract, the preparation method and the application. Active components of the pesticide composite containing the lantana extract and the azolla imbricata extract are extracted by the following raw medicinal materials in parts by weight: 1 part of lantana and 0.2-4 parts of azolla imbricata; the active components of the pesticide composite can be coextracted after the raw medicinal materials, namely the lantana and the azolla imbricata are mixed; or the active components can be formed by separately extracting the lantana, obtaining the lantana extract, separately extracting the azolla imbricata, obtaining the azolla imbricata extract, and then mixing the two extracts. The pesticide composite containing the lantana extract and the azolla imbricata extract has an obvious control effect on lepidoptera and homoptera injurious insects, and has positive significance in agricultural production.

The invention discloses a procyanidine plant nutrient and application thereof. The plant nutrient contains an effective amount of procyanidine as an active component, is a pine needle extract or pine bark extract containing procyanidine, and is prepared by extracting pine needles or pine barks with water and / or an organic solvent. The plant nutrient disclosed by the invention has a remarkable effect of promoting plant growth, and is beneficial to improvement of crop health and improvement of crop yield and quality. The raw materials used in the invention are biomass components derived from natural plants, and have the characteristics of safety, easiness in biodegradation, environmental friendliness and the like, and the plant nutrient has huge application potential and important social significance in agricultural production.

The invention relates to a pesticide composition containing a chenopodium ambrosioides and common peganum seed extract as well as a preparation method and application of the pesticide composition, belongs to the field of pesticides, and aims to solve the technical problem of providing the pesticide composition containing the chenopodium ambrosioides and common peganum seed extract as well as the preparation method and application of the pesticide composition. The active components of the pesticide composition containing the chenopodium ambrosioides and common peganum seed extract are extracted from the following raw medicinal materials in parts by weight: 1 part of chenopodium ambrosioides and 0.5-6 parts of common peganum seed; the active components can be prepared through the steps of mixing the raw medicinal materials, namely, chenopodium ambrosioides and common peganum seed, and extracting together, and can be prepared through the steps of separately extracting chenopodium ambrosioides to obtain a chenopodium ambrosioides extract, separately extracting common peganum seed to obtain a common peganum seed extract, and mixing the two extracts. The pesticide composition containing the chenopodium ambrosioides and common peganum seed extract can kill acarina, homoptera and hemiptera pests such as polyphagotarsonemus latus, aphid, trialeurodes vaporariorum and lugus lucorum, and has positive significance for agricultural production.

The invention relates to a pesticide composition containing extracts of folium isatidis and thyme and a preparation method and application thereof, belongs to the field of pesticides, and provides the pesticide composition containing the extracts of the folium isatidis and the thyme in order to solve the technical problem. Active components of the pesticide composition containing the extracts of the folium isatidis and the thyme are extracted from the following raw medicinal materials in parts by weight: 10 to 30 parts of folium isatidis and 1 part of thyme. The common extracts of the folium isatidis and the thyme have a synergistic effect, and the effect of preventing and treating damping off of crops is obvious; by the adoption of the folium isatidis and the thyme for joint extraction, the contents of epigoitrin, thymol and other bacterial active components with main groups basically the same as those in the epigoitrin and the thymol are increased; the damping off is prevented and treated, the immunity system of the crops can be improved, and the activity of the crops can be obviously enhanced; traditional Chinese herbs are used as raw materials, so that pesticide residues are avoided; compared with an independently used chemical-source pesticide, the pesticide composition is environment-friendly; meanwhile, when the pesticide composition is used, the effective concentration is low, and the cost is low.

The invention relates to a pesticide composition containing extracts of cymbopogon distans and raw gingers and a preparation method and application thereof, belongs to the field of pesticides, and provides the pesticide composition containing the extracts of the cymbopogon distans and the raw gingers in order to solve the technical problem. Active components of the pesticide composition containing the extracts of the cymbopogon distans and the raw gingers are extracted from the following raw medicinal materials in parts by weight: 10 to 30 parts of cymbopogon distans and 1 part of raw gingers. The common extracts of the cymbopogon distans and the raw gingers have a synergistic effect, and the effect of preventing and treating leaf mould of crops is obvious; by the adoption of the cymbopogon distans and the raw gingers for joint extraction, the contents of nerol, gingerol and other bacterial active components with main genes basically the same as those in the scoparone and the leaf rheum emodin are increased; the leaf mould is prevented and treated, the immunity system of the crops can be improved, and the activity of the crops can be obviously enhanced; traditional Chinese herbs are used as raw materials, so that pesticide residues are avoided; compared with an independently used chemical-source pesticide, the pesticide composition is environment-friendly; meanwhile, when the pesticide composition is used, the effective concentration is low, and the cost is low.

The invention relates to a pesticide composition containing fructus cnidii and olive leaf extract, and belongs to the field of pesticides. The preparation method comprises the following steps: mixingfructus cnidii and olive leaves according to a weight ratio of (5 to 15) to (1 to 5); extracting with an organic solvent or water. The prepared pesticide composition has a synergistic effect and realizes an excellent effect of preventing and controlling powdery mildew.

The present invention relates to a pesticide composition containing a fructus aurantii immaturus extract and a cinnamon extract, and a preparation method and application thereof, and belongs to the field of pesticide. The invention solves the technical problem by providing a pesticide composition containing fructus aurantii immaturus extract and cinnamon extract. The pesticide composition containing fructus aurantii immaturus extract and cinnamon extract comprises the active components extracted from the following medicinal materials by weight: 10-130 parts of fructus aurantii immaturus and 1 part of cinnamon. the fructus aurantii immaturus extract and cinnamon extract have a synergistic effect and obvious control effect on the strawberry anthracnose of crops; the co-extraction of the fructus aurantii immaturus extract and cinnamon extract improves the content of limonene, cinnamaldehyde and major groups and other bactericidal active components; the composition can improve the ability of the immune system of crops while prevention and treatment of strawberry anthracnose, and can significantly improve the viability; the composition uses Chinese herbal medicines as raw materials, and has no pesticide residues and is environmentally friendly in comparison with the single use of chemical pesticides; and the composition has low effective concentration and low cost for usage.

The invention relates to a pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts as well as a preparation method and use of the pesticide composition, belonging to the field of pesticides. The invention solves the technical problem that the pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts is provided. The pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts provided by the invention is prepared by extracting the active ingredients radix sophorae flavescentis and fructus cnidii mixed by alcoholic liquor, wherein the weight ratio of radix sophorae flavescentis to fructus cnidii is 1: (0.2-5). According to the pesticide composition containing radix sophorae flavescentis and fructus cnidii extracts, the ingredients have the synergistic interaction and are wide in bacteriocidal spectrum, and the pesticide composition is co-extracted from two plants, so that the pesticide composition is low in cost and free from pesticide residue, thereby greatly reducing the risk of generating phytotoxicity.

The invention relates to pesticide composition containing rheum palmatum and macleaya cordata extract as well as a preparation method and an application of the pesticide composition, and belongs to the field of pesticide composition. Active ingredients of the pesticide composition containing the rheum palmatum and macleaya cordata extract are prepared by extracting raw materials in parts by weight as follows: 1 part of rheum palmatum and 10-20 parts of macleaya cordata, wherein the active ingredients are prepared by co-extracting rheum palmatum and macleaya cordata by an organic solvent or water or prepared by mixing rheum palmatum extract obtained by extracting rheum palmatum with the organic solvent or water and macleaya cordata extract obtained by extracting macleaya cordata with the organic solvent or water. Meanwhile, the invention further discloses the preparation method of the pesticide composition and the application of the pesticide composition in control of anthracnose. The pesticide composition is prepared by co-extracting rheum palmatum and macleaya cordata, co-extract has a synergetic effect, and the pesticide composition has an obvious control effect on anthracnose.

The invention relates to the field of rice planting, and particularly discloses an immunizing agent for rice, a preparation method and a use method; the immunizing agent comprises 15-17% of aminobutyric acid, 16-19% of alginate oligosaccharide, 18-21% of polypeptide, 4-5% of organic swelling soil, 1-3% of an antifreezing agent, 0.01-0.5% of an organic silicon defoamer, 3-5% of a dispersant, 0.5-2%of a wetting agent, 0.05-2% of a thickener and water; the immunizing agent has the following effects that multiple mechanisms have a synergistic effect, the inducer resisting effect is brought into full play, the inducer resisting effect is good, the cost is low, the immunizing agent is formed by mixing natural organic matter, safety and environmental protection are achieved, rice is not prone toresistance, and the problem of pesticide residues does not exist.

The invention relates to a pesticide composition containing extracts of veratrum nigrum and mamee-apple and a preparation method and application of the pesticide combination and belongs to the field of pesticides. Active components of the pesticide composition containing the extracts of the veratrum nigrum and the mamee-apple are obtained by extracting the following raw medicinal materials in parts by weight: 1 part of the veratrum nigrum and 0.5-6 parts of the mamee-apple. The active components of the pesticide composition are obtained by mixing the veratrum nigrum and the mamee-apple and then extracting the mixture or obtained by independently extracting the veratrum nigrum to obtain a veratrum nigrum extract, independently extracting the mamee-apple to obtain a mamee-apple extract and then mixing the two extracts. The pesticide composition containing the extracts of the veratrum nigrum and the mamee-apple has an obvious effect of preventing and treating homoptera, lepidoptera and acarina pests and has a positive significance for the agricultural production.

The invention relates to the field of pesticides, in particular to a pesticide containing potato and derris elliptica extracts, and a preparation method and application thereof. Active ingredients of the pesticide containing the potato and derris elliptica extracts are extracted from 1 weight part of potato and 1 to 8 weight parts of derris elliptica. The pesticide containing the potato and derris elliptica extracts has a synergistic effect, has an obvious effect of controlling Homoptera and Lepidoptera pests, can strengthen immune systems of plants while quickly killing the pests, and can obviously improve plant vitality; the pesticide is prepared from Chinese herbal medicines, so the problem of pesticide residue is solved and the pests hardly generate resistance; during use, the effective concentration is low and the cost is low.

The invention relates to a pesticide composition containing matrine and rotenone and a use thereof, and belongs to the field of pesticide. The invention provides the pesticide composition containing matrine and rotenone and the use thereof. The pesticide composition has a simple formula and a low cost. Active components of the pesticide composition comprise, by weight, 0.3-1.5 parts of matrine and 1-5 parts of rotenone. The invention also provides the preparation method and the use of the pesticide composition containing matrine and rotenone. Through the synergism of matrine and rotenone as the active components in the pesticide composition, the pesticide composition has excellent effects of preventing and controlling thrips and other thysanoptera insects, causes pesticide resistance difficultly and has the advantages of simple components, low cost and good prevention and control effects.

The invention discloses botanical fungicide composition containing Eupatorium Adenophorum extract as well as a preparation method and an application of the botanical fungicide composition and belongsto the technical field of pesticides. The composition comprises components in percentage by weight as follows: 2%-4% of the Eupatorium Adenophorum extract, 0.2%-0.5% of crude extract of traditional Chinese medicine, 1%-30% of auxiliaries and the balance of water, and the content sum of the components in percentage by weight is 100%. The composition has good synergistic effect in the range of a certain ratio and has obvious control effect on Phytophthora parasitica var.nicotianae; medicinal plants are taken as the raw materials, so that the problem of pesticide residues is solved; compared withsingle use of chemical pesticides, the botanical fungicide composition is environmentally friendly; besides, during using, effective concentration is low, and the cost is low.

The invention relates to a pesticide composition containing extracts of artemisia capillaris and rheum officinale and a preparation method and application thereof, belongs to the field of pesticides, and provides the pesticide composition containing the extracts of the artemisia capillaris and the rheum officinale in order to solve the technical problem. Active components of the pesticide composition containing folium isatidis and the rheum officinale extract are extracted from the following raw medicinal materials in parts by weight: 10 to 30 parts of artemisia capillaris and 1 part of rheum officinale. The common extracts of the artemisia capillaris and the rheum officinale have a synergistic effect, and the effect of preventing and treating apple altermaria leaf spot of crops is obvious; by the adoption of the folium isatidis and the rheum officinale extract for joint extraction, the contents of scoparone, leaf rheum emodin and other bacterial active components with main groups basically the same as those in the scoparone and the leaf rheum emodin are increased; the apple altermaria leaf spot is prevented and treated, the immunity system of the crops can be improved, and the activity of the crops can be obviously enhanced; traditional Chinese herbs are used as raw materials, so that pesticide residues are avoided; compared with an independently used chemical-source pesticide, the pesticide composition is environment-friendly; meanwhile, when the pesticide composition is used, the effective concentration is low, and the cost is low.

The invention discloses a Bacillus brevis for preventing and treating a hot pepper epidemic disease as well as a preparation method and application of a biological agent. The Bacillus brevis for preventing and treating the hot pepper epidemic disease is Bacillus brevis 26-13 which was preserved in China center for type culture collection (CCTCC) on January 8, 2011, wherein the preservation number is CCTCC M2011009. The preparation method of the biological agent comprises the following steps: fermenting the Bacillus brevis 26-13 and drying the obtained fermentation liquid; and mixing a fermentation liquid dried substance with a vector and a protective agent so as to obtain the biological agent for preventing and treating the hot pepper epidemic disease. The biological agent is environment-friendly, has the advantages of no pesticide residue, low cost, advanced production process and the like, and the effect of the biological agent which is diluted to 400 times on the hot pepper epidemic disease reaches above 95%.

The invention relates to a pesticide composition containing lightyellow sophora root and veratrum nigrum extracts, and a preparation method and application thereof, and belongs to the field of pesticides. In order to solve technical problems, the invention provides the pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts, and the preparation method and application thereof. According to the pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts, active ingredients of the pesticide composition are prepared by extracting 1 weight part of lightyellow sophora root and 0.5 to 8 weight parts of veratrum nigrum together; furthermore, the active ingredients are prepared by extracting the lightyellow sophora root and the veratrum nigrum together through an ethanol solution. The pesticide composition containing the lightyellow sophora root and veratrum nigrum extracts is prepared by mixing the lightyellow sophora root and the veratrum nigrum and extracting together, the content of total alkaloids is greatly increased, and the pesticide composition can well kill Homoptera pests such as aphid, scale insect and whitefly, and Hemiptera pests such as green plant bug, so the pesticide composition has positive significance for agricultural production.