110 results about "Wheat Rust" patented technology

The re-compounded germicide composition includes kresoxim-methyl and at least one kind of triazole germicide compound in the weight ratio of 0.025-40. The re-compounded germicide composition includes also functional assistant and diluent, and kresoxim-methyl and triazole germicide compound account for 1-95 wt% of the germicide composition. It may be compounded into oil emulsion, soluble liquid preparation, micro emulsion, water emulsion, grain or other forms. It is used in preventing and controlling diseases, such as grape powdery mildew, wheat rust, potato blight, etc. caused by imperfect fungi, ascomycete, basidiomycete and other fungi. It has synergistic effect, wide antifungal spectrum, less resistance and other positive effect.

The invention belongs to agricultural use antiseptic field. It discloses N-(2- substituted benzene group) N-methoxy methyl carbamate compound, its preparation and application. The compound has good fungicidal property, can be used to prevent and cure wheat powdery mildew, apple powdery mildew, wheat rust, green smut, corn southern leaf blight, and so on.

The compound fungicide composition disclosed by the present invention comprises kresoxim-methyl and at least one triazole fungicide compound, wherein the weight ratio of kresoxim-methyl to the triazole fungicide compound is 40:1-1:40. The compound bactericidal composition may also include functional auxiliaries and diluents, wherein kresoxim-methyl and triazole fungicide compounds account for 1wt% to 95wt% of the total weight of the bactericidal composition. The compound bactericidal composition can be formulated into emulsifiable concentrate, soluble liquid, microemulsion, water emulsion, suspoemulsion, seed coating, wettable powder, water dispersible granule, dry suspoemulsion, or granules for direct use and other dosage forms. The compound composition is used to prevent and control various diseases caused by fungi such as Deuteromycetes, Ascomycetes, Basidiomycetes, and Mycetes, such as grape powdery mildew, wheat rust, potato blight, pumpkin blight, rice blast, strawberry powdery mildew, Melon powdery mildew, cucumber powdery mildew, pear scab, etc. have achieved the effects of synergizing, concurrently treating, resisting drug resistance, delaying drug resistance, and reducing the dosage of azoxystrobin.

The invention discloses a metconazole and tebuconazole containing bactericidal composition and application thereof. Main ingredients include metconazole and tebuconazole according to the ratio of 1: 40 to 20:1, and a proper auxiliary and a carrier are used in cooperation for prevention and treatment of diseases of wheat. Compared with traditional chemical agents, the composition has the advantages that the two main ingredients are compatible, the synergistic effect is remarkable, bactericidal activity is improved, the dosage of single fungicide is reduced, and pesticide cost is reduced; the composition is efficient, low in toxicity, low in residue quantity, good in fast-acting property, long in lasting period and environmentally friendly; the chemical resistance risk level of pathogenic bacteria to chemical agents is lowered, maintenance of sensitivity of the pathogenic bacteria is benefited, and meanwhile chemical resistance of bacteria to a single dosage in the formula can be delayed; the bactericidal effect is remarkable, wheat scabs are effectively prevented and treated, wheat powdery mildews, wheat rust, wheat sharp eyespots and wheat leaf blotches are treated at the same time, chemical resistance of the pathogenic bacteria to carbendazim is governed, harm caused by diseases to crop production is reduced, the yield of agricultural products is raised, and the quality of agricultural products is improved.

The present invention discloses a bactericidal composition containing benziothiazolinone and succinic dehydrogenase inhibitor. The composition comprises two active components, a component A and a component B; the component A is benziothiazolinone, and the component B is a succinic dehydrogenase inhibitor fungicide selected from the group consisting of thifluzamide, boscalid, Penthiopyrad, Isopyrazam, biphenyl penthiopyrad, fluorine myclobutanil amide, Fluxapyroxad, penflufen, fluopyram or Benzovindiflupyr. The weight ratio of the component A and component B is 1:50-50:1, preferably 1:10-10:1. The composition can be prepared into a wettable powder, a water dispersion granule, a suspending agent and an emulsion in water for prevention and control of wheat rust, and downy mildew and epidemic diseases of vegetables, melons and fruits.

The invention discloses a bactericidal composition and application thereof and relates to the technical field of pesticide combination. Effective ingredients of the bactericidal composition include prothioconazole A and antibiotic bactericide B, wherein the weight ratio of the prothioconazole A to the antibiotic bactericide B is 1:30-30:1. The antibiotic bactericide B can be kasugamycin, polyoxin, phenazine-1-carboxylic acid, streptomycin or validamycin. The prothioconazole A and the antibiotic bactericide B have obvious synergistic effects, the application amount of single dosage can be effectively reduced, good effect is played on enlargement on a bactericidal spectrum and delay on plant resistance to insecticide, a lasting period can be further prolonged, and the bactericidal composition has obvious promotional value. Assistant ingredients allowed in other pesticides can be added into the bactericidal composition to process any dosage form of insecticide. The bactericidal composition can effectively prevent and control rice sheath blight disease, rice blast, false smut, wheat rust, powdery mildew and the like.

The invention relates to a disinfectant composition formed by using penthiopyrad and carboxin as main ingredients and adding addition agent as well as filler carriers. The composition has the advantages of special effects on preventing and curing wheat rust, simple processing technique, no three wastes and convenient use.

The invention belongs to the field of farm chemicals and discloses a bactericidal composition containing fluazinam and thiophanate methyl and the application of the same. The fluazinam and the thiophanate methyl serve as effective components of the composition, wherein the total content of the fluazinam and the thiophanate methyl in mass percentage is 5% to 85%, and the mass ratio of the fluazinam to the thiophanate methyl is 30:1 to 1:50. The composition can be used for the preparation of a bactericide for preventing and treating diseases such as rice blast, rice sheath blight, wheat powdery mildew, wheat rust disease, leaf spot of peanut, powdery mildew and downy mildew of cucumber, tomato pestilence, apple scab, citrus scab and the like, and has the advantages of wide application range, low cost and good effect.

The invention relates to a bactericidal composition containing (E,E,E)-N-methyl-2-[((((1-methyl-3-(2,6-dichlorophenyl)-2-propenyl)imino)oxy)methyl)phenyl]-2-methoxyiminoacetamide and penthiopyrad. The active ingredient of the bactericidal composite is a binary compound of the (E,E,E)-N-methyl-2-[((((1-methyl-3-(2,6-dichlorophenyl)-2-propenyl)imino)oxy)methyl)phenyl]-2-methoxyiminoacetamide and the penthiopyrad, wherein the mass ratio of the (E,E,E)-N-methyl-2-[((((1-methyl-3-(2,6-dichlorophenyl)-2-propenyl)imino)oxy)methyl)phenyl]-2-methoxyiminoacetamide to the penthiopyrad is (1-40):(40-1), the mass fraction ratio of the (E,E,E)-N-methyl-2-[((((1-methyl-3-(2,6-dichlorophenyl)-2-propenyl)imino)oxy)methyl)phenyl]-2-methoxyiminoacetamide to the penthiopyrad is 1-80%, and the balance is an auxiliary component which is allowed to be used and accepted in pesticides. The bactericidal composition is in the dosage form of an emulsifiable solution, a suspending agent, wettable powder, water dispersible granules, water emulsions and micro-emulsions, and can be used for controlling a plurality of types of plant diseases such as grey mould, sclerotinia sclerotiorum, wheat rust, powdery mildew of wheat, rice sheath blight disease, powdery mildew of cucumber, downy mildew of cucumber, downy mildew of grape, apple altermaria leaf spot, powdery mildew of apple, leaf spot of banana, early blight of tomato, scab of pear and apple, powdery mildew of strawberry, rust of sunflower and the like.

The invention relates to a method for identifying a wheat leaf rust single sorus by utilizing nested PCR (polymerase chain reaction). The method comprises the following steps: designing and synthesizing a primer, extracting DNA (deoxyribonucleic acid) of the single sorus, performing amplification and separation on target genes, performing separation and identification on an amplified final product, then performing sequencing, comparing in a Genbank and determining the wheat leaf rust single sorus. The method for identifying the wheat leaf rust single sorus by utilizing the nested PCR is simple to operate and rapid and accurate in identification result, and can be applied into actual production.

The invention discloses a composite synergic sterilization composition containing bixafen and difenoconazole and application thereof. The sterilization composition employs bixafen and difenoconazole as main effective components, and the weight ratio of bixafen to difenoconazole is 1-60:1-80. The sterilization composition is applicable to control diseases of cereal crops, vegetables and fruit trees, has relatively high cooperative synergic effect, helps to overcome and delay drug resistance of pathogens, is fast in sterilization speed, relatively long in persistent period and reduced in application cost, and has obviously better control effect than other singly-used reagents. The composite sterilization composition is applicable to control fungous diseases of crops, and especially applicable to fungous diseases such as wheat rust disease, powdery mildew, leaf spot disease, brown patch, wheat scab, grey mold and the like, and has relatively good effect than singly-used effective components.

The invention belongs to the technical field of disease-resistant variety cultivation, and discloses an acquisition of edited wheat susceptible gene plants and application of edited wheat susceptiblegene plants in disease-resistant variety cultivation. The edited wheat susceptible gene plants have B, D and A copies in wheat. The RNAi mutants of the TaRIPK1 with two genetic backgrounds are obtained. According to the invention, an agrobacterium tumefaciens-mediated genetic transformation method is adopted, and a CRISPR-Cas9 gene editing technology is utilized to obtain the gene edited plant ofTaRIPK1. Through inoculation of wheat stripe rust bacteria, it is found that TaRIPK1 RNAi plant bacteria with two genetic backgrounds have remarkable resistance to stripe rust bacteria toxic race CYR32, disease resistance identification is conducted on a TaRIPK1 gene editing technology, and it is found through results that the disease resistance of TaRIPK1 gene editing plants is remarkably improved. The resistance to main epidemic races of puccinia striiformis and puccinia leaf rust is remarkable, and the plants can be used as a germplasm new material for genetic improvement of wheat rust resistance.

The invention discloses a sterilization composite containing mepronil and tricyclazole, and a preparation method and application thereof. The sterilization composite is characterized by containing the mepronil, the tricyclazole and other adjuvant, wherein the weight ratio of the mepronil to the tricyclazole is 2-80:1-50. The sterilization composite can be applied to prevent and cure sigatoka, rhizoctorzia solani, magnaporthe oryzae, erysiphe graminis, wheat rust, peanut leaf spot and other fungus disease. The composite is wide in application range, low in cost and good in effect. Reports about the blending of the mepronil and the tricyclazole do not exist at home and abroad, so that the invention is provided.

The invention relates to research and application of a bactericidal and pesticidal compound agent for wheat. The compound agent for wheat is mainly prepared from diniconazole, triadimefon and imidacloprid and can be prepared into emulsifiable oil, microemulsion, wettable powder and the other formulations. The biological tests show that the compound agent for wheat has obvious synergism on wheat rust and wheat powdery mildew and also has a favorable curative effect on wheat aphids. The field tests show that the compound agent for wheat achieves the wheat rust prevention effect of 90 percent, the wheat powdery mildew prevention effect of over 90 percent and the sitobion avenae prevention and control effect of no less than 98 percent. The compound agent for wheat has bactericidal and pesticidal effects, is convenient to use, time-saving and labor-saving, ensures that the cost is lowered and the environmental pollution is reduced, and actively cooperates with the energy saving and emission reducing state policy. In addition, the compound agent for wheat is simple in preparation process, is easy to prepare and can be directly converted into productive force to gain economic and social benefits as soon as possible.

The invention relates to a bactericidal and insecticide fertilizer granule. The component of the bactericidal and insecticide fertilizer granule is metconazole; the insecticide component is one of nicotinamide clothianidin, imidacloprid, thiamethoxam, acetamiprid, thiacloprid, dinotefuran and nitenpyram; a carrier fertilizer component is one or more of macroelement N, P, K and microelemens zinc and boron. The fertilizer granule comprises the following materials in percent by weight: 0.1 to 1 percent of metconazole, 0.1 to 2 percent of nicotinamide, 0.5 to 80 percent of carrier fertilizer, 0.5to 3 percent of a dispersing agent, 0.1 to 2 percent of a sustained release preparation, 0.1 to 5 percent of a bonding agent, and the balance of packing. The fertilizer granule is mainly applied to the prevention and treatment of diseases, such as wheat rust, aphis, vegetable root rot and whitefly. The granule belongs to an excellent preparation which is safe, convenient, long in lasting period and obvious in yield-increasing effect.

The invention relates to a metconazole bactericide and application thereof. Active ingredients of the metconazole bactericide are metconazole and special emulsifier, wherein the weight ratio of metconazole to special emulsifier is 1:70 to 70:1, the weight content of metconazole in the bactericide is 10%, the special emulsifier is a mixture of a wetting agent and a dispersing agent, and the weight ratio of the wetting agent to the dispersing agent is 1:10 to 10:1. The metconazole bactericide is used for preparing pesticide preparations for preventing plant diseases, and particularly used for preparing pesticide preparations for controlling diseases of the same field including wheat rust, powdery mildew, gibberellic disease, damping off, bacterial blight and bacterial leaf stripe. Compared with the prior art, the metconazole bactericide is processed into a product by using a nanoscale rod type sanding machine through a special compound emulsifier, the product grain size is averagely 2 microns or below, it is judged according to effects of actual production application of 10% of metconazole bactericide, the pesticide effect is obviously improved, the pesticide use amount is reduced, per mu use amount against wheat rust is 20-30 g, and sterilization efficiency is improved.

The invention discloses a sterilizing composition containing mebenil and propiconazole and a preparation method and an application thereof. The sterilizing composition is characterized by containing mebenil, propiconazole and other auxiliary agents, wherein the weight ratio of the mebenil to the propiconazole is 2-80:1-50. The sterilizing composition can be applied to control various fungus diseases such as leaf spot of banana, sheath and culm blight of rice, rice blast, wheat powdery mildew, wheat rust, leaf spot of peanut and the like. The composition has a wide application range, low cost and good effect, and the invention is provided against the backdrop that no reports related to compounding of the mebenil and the propiconazole are ever found at home and abroad.

The present invention discloses a sterilization composition adopting fluxapyroxad and flutriafol as main active components, and an application thereof, and belongs to the technical field of compounded pesticides. According to the present invention, the sterilization composition adopts fluxapyroxad and flutriafol as main active components, wherein a weight ratio of the fluxapyroxad to the flutriafol is 1-90:1-90, and the total amount of the fluxapyroxad and the flutriafol is 2-90% of the mass of the sterilization composition; and the sterilization composition provides significant effects for preparation of drugs for prevention and control of crop resistance plant fungous diseases of cereals, fruits and vegetables, and specifically for preparation of sterilization drugs for prevention and control of powdery mildew, botrytis cinerea, sclerotinia rot, rot disease, rust disease, glume spot of rice, web blotch, downy mildew, rice blast and seedling blight, especially sterilization drugs for prevention and control of wheat rust disease and cucumber powdery mildew. In addition, compared with the single-agent substance, the composition has characteristics of prevention and control spectrum expanding, production and use cost reducing, and drug resistance overcoming and delaying.

{0><}0{>The invention discloses a sterilization composition containing fluoride ether bacteria amide and thiophal and application of the sterilization composition. <0}{0><}0{>The sterilization composition takes the fluoride ether bacteria amide and the thiophal as main effective ingredients, and the mass ratio of the fluoride ether bacteria amide to the thiophal is (1 to 70) : (1 to 50). <0}{0><}0{>The sterilization composition can be applied to prevention and treatment of diseases of cereals, fruit trees and vegetables, has a relatively high synergistic effect, is capable of overcoming and retarding the drug resistance of pathogenic bacteria, is high in sterilization speed and long in lasting period, is capable of lowering the application cost, and achieves a prevention and treatment effect obviously superior to that of the single fluoride ether bacteria amide or thiophal. <0}{0><}0{>The sterilization composition can be used for preventing and treating fungi diseases of crops, especially can be used for preventing and treating fungi diseases such as downy mildew of grape, potato blight, rice sheath blight disease, rice blast, wheat rust disease, gibberellic disease, downy mildew of rape, leaf spot of peanut, early blight of tomato and anthracnose of apple, and achieves an effect obviously superior to that of the single fluoride ether bacteria amide or thiophal.

The invention discloses a composite synergic sterilization composition containing bixafen and flutriafol and application thereof. The sterilization composition employs bixafen and flutriafol as main effective components, and the weight ratio of bixafen to flutriafol is 1-60:1-80. The sterilization composition is applicable to control diseases of cereal crops, vegetables and fruit trees, has relatively high cooperative synergic effect, helps to overcome and delay drug resistance of pathogens, is fast in sterilization speed, relatively long in persistent period and reduced in application cost, and has obviously better control effect than other singly-used reagents. The composite sterilization composition is applicable to control fungous diseases of crops, and especially applicable to fungous diseases such as wheat rust disease, powdery mildew, leaf spot disease, net blotch, sheath blight, take-all disease, smut, scald disease and the like, and has relatively good effect than singly-used effective components.

The invention relates to a sterilizing composition containing metconazole, fluxapyroxad and pyraclostrobin. The sterilizing composition is characterized by containing 1 to 60 percent of metconazole, 1to 60 percent of fluxapyroxad and 1 to 60 percent of pyraclostrobin; and the sterilizing composition is used for preventing and treating wheat scab, wheat powdery mildew, wheat rust, wheat sharp eyespot, rice blast, rice bakanae disease and crop botrytis, and the synergistic effect is remarkable.

The invention discloses a composite synergic sterilization composition containing isopyrazam and tebuconazole and application thereof. The sterilization composition employs isopyrazam and tebuconazole as main effective components, and the weight ratio of isopyrazam to tebuconazole is 1-60:1-80. The sterilization composition is applicable to control diseases of cereal crops, vegetables and fruit trees, has relatively high cooperative synergic effect, helps to overcome and delay drug resistance of pathogens, is fast in sterilization speed, relatively long in persistent period and reduced in application cost, and has obviously better control effect than other singly-used reagents. The composite sterilization composition is applicable to control fungous diseases of crops, and especially applicable to fungous diseases such as wheat rust disease, powdery mildew, leaf spot disease, sheath blight, take-all disease, smut, scald disease, wheat scab and the like, and has relatively good effect than singly-used effective components.

The invention discloses a sterilization composition and a use thereof and relates to the technical field of pesticide compounding. The sterilization composition contains active ingredients of phenazine-1-carboxylic acid A and triazole bactericide B. The triazole bactericide B is epoxiconazole, flusilazole or tetraconazole. A weight ratio of phenazine-1-carboxylic acid A to triazole bactericide B is in a range of 1: 60 to 60: 1. The compounded active ingredients A and B have obvious synergism and can effectively reduce a use amount of a single reagent. The sterilization composition has good effects of enlarging a sterilization spectrum and delaying plant resistance to bactericide, has a long persistent period and has an obvious popularization value. Auxiliary components allowed by other pesticides can be added into the sterilization composition so that any dosage form is prepared. The sterilization composition can effectively prevent and treat rice sheath blight, rice blast, false smut, wheat rust, powdery mildew, banana black spot, banana black-blight or botrytis cinerea.

The invention discloses a pesticide composition containing carboxin. The composition is mainly characterized in that effective active constituents of the composition comprise carboxin and effective component B, the effective component B is selected from the group consisting of thiamethoxam, thiacloprid, imidacloprid and clothianidin, a weight ratio of carboxin to the effective component B is 1: 80 to 40: 1, and a suspended seed coating agent is prepared from the composition. The composition provided by the invention can be used for preventing and treating a variety of soil pests and pathogens, produces an obvious synergistic effect, has an expanded prevention and treatment spectrum and shows high activity to pests and pathogens on wheat, corn, sorghum and cotton, wherein wheat, corn, sorghum and cotton diseases include corn head smut, wheat smut, wheat rust, millet smut, loose kernel smut of sorghum, head smut, damping-off of cotton and cotton verticillium wilt; furthermore, the composition has a sustained release effect, reduces the dosage of a pesticide, is safe to people and livestock, produces no phytotoxicity and has good environmental compatibility.

The invention belongs to the field of farm chemicals and discloses a bactericidal composition containing fluazinam and validamycin and the application of the same. The fluazinam and the validamycin serve as effective components of the composition, wherein the total content of the fluazinam and the validamycin in mass percentage is 5% to 70%, and the mass ratio of the fluazinam to the validamycin is 50:1 to 1:30. The composition can be used for preventing and treating diseases such as rice blast, rice sheath blight, wheat leaf blight, wheat rust disease, peanut leaf spot, peanut net blotch, late blight of tomato and potato, gray mold, powdery mildew and anthracnose of cucumber, and apple scab caused by fungi and other pathogens of cereal crops, vegetable and fruit trees, and has the advantages of wide application range, low cost and good effect.

The invention discloses a wheat rust inhibitor. The wheat rust inhibitor is prepared from raw materials in parts by weight as follows: 8-80 parts of a loss control regulating agent, 11-420 parts of mineral oil, 0.02-0.08 parts of nano-selenium, 50-100 parts of sodium carboxymethylcellulose and 399.92-930.98 parts of water, wherein the loss control regulating agent is prepared from aminated attapulgite and micro-nano biosilicon / carbon in the mass ratio being (3-5):(1-2) through mixing. The invention further discloses a preparation method of the wheat rust inhibitor. The wheat rust inhibitor and the preparation method have the advantages as follows: (1) preparation is simple, operation is simple and convenient, the cost is low, and large-scale production can be realized; (2) a nano-composite is prepared from the attapulgite, the mineral oil, nano-selenium, sodium carboxymethylcellulose and the like, can form a net-shaped nano-protective layer through self-assembly after being sprayed on wheat leaves and can effectively prevent invasion of pathogenic bacteria and reduce incidence; (3) the product is green, environment-friendly and safe and can reduce the infection rate of wheat rust by 65%-90%.

The invention discloses a method for grading wheat leaf rust based on infrared thermal imaging edge detection processing, which relates to the technical field of wheat rust detection. Firstly, the infrared thermogram of the whole wheat sample was collected to calculate the average leaf temperature of healthy plants, incubated plants and symptomatic plants, respectively, and to find out the temperature change rule in the process of fungal invasion. Then the regions of infrared thermogram which were pretreated by histogram equalization and median filter were extracted from the infrared thermogram. The proportion of lesion area in the total thermal imaging area of the whole plant was calculated by dividing the temperature region, extracting the low temperature region and segmenting the threshold value. The correlation coefficient was 0.9755, RMSE was 9.79%, and the overall recognition rate was 90%. Compared with the general near-infrared detection method, the invention has the advantagesof fast detection speed and earlier detection of diseases.

The invention discloses a bactericidal composition containing cyclohexastrobin and enoxistrobin and application thereof. The bactericidal composition uses cyclohexastrobin and enoxastrobin as main active ingredients, wherein the mass ratio of cyclohexastrobin to oxastrobin is 1:50-70:1. The bactericidal composition can be applied to the prevention and treatment of cereals, fruit trees, and vegetable diseases, has a high synergistic effect, overcomes and delays the drug resistance of pathogens, has fast sterilization speed, long-lasting effect, reduces application costs, and has good control effect. Significantly better than its single dose use. The present invention can be used to control fungal diseases on crops, especially can be used to control tomato gray mold, pear scab, wheat rust, wheat powdery mildew, rice sheath blight, cucumber powdery mildew, grape downy mildew, tomato Early blight and other fungal diseases, the effect is better than a single dose.

The invention belongs to the technical field of biological gene engineering, and discloses a wheat stripe rust secretory protein, an identification method, a transgenic plant and application, the nucleotide sequence of the wheat stripe rust secretory protein is SEQ ID NO.1; the amino acid sequence of the stripe rust secretory protein is SEQ ID NO. 2. A silent segment of the stripe rust secretory protein gene Spg1 is introduced into a wheat plant, a stripe rust secretory protein gene silent plant is obtained, and it is found that the disease resistance of a transgenic plant silencing the secretory protein gene is remarkably improved after stripe rust is inoculated, and the transgenic plant shows resistance to main dominant microspecies of stripe rust. The invention provides a new way in the aspect of genetic improvement of wheat rust resistance, and has a wide application prospect in the aspect of creation of novel wheat materials. The invention proves that the disease resistance character of wheat can be improved by interfering the stripe rust secretory protein gene Spg1, so that the stripe rust secretory protein gene Spg1 can be used for culturing a novel rust-resistant disease-resistant material.

The invention discloses an aqueous emulsion bactericidal compound and a preparation method thereof; the aqueous emulsion bactericidal compound comprises the components in the weight percentage: 10-80% of epoxiconazole technical product of pesticides, 1-12% of solvent, 1-15% of emulsifier, 0.1-5% of thickening agent, 0.1-7% of antifreeze, 0.1-1% of defoamer, and the rest of water. The aqueous emulsion bactericidal compound has good drug effect on pear scab, alternaria leaf spot of apples, early blight of tomato, wheat rust, anthracnose of pepper, powdery mildew of strawberry, and the like, and the control effect reaches over 86%. Furthermore, as no organic solvent is adopted, the manufacturing cost is low, and the toxicity of the preparation for the users is reduced. The aqueous emulsion bactericidal compound has no peculiar smell, and is not inflammable, so as to be safer in transportation and storage.