51 results about "Fungi imperfecti" patented technology

The present invention utilizes fungal spore mass or hyphal fragments in burlap bags or sacks filled with biodegradable materials. The fungi may include saprophytic fungi, including gourmet and medicinal mushrooms, mycorrhizal fungi, entomopathogenic fungi, parasitic fungi and fungi imperfecti. The fungi function as keystone species, delivering benefits to both the microsphere and biosphere. Such fungal delivery systems are useful for purposes including ecological rehabilitation and restoration, preservation and improvement of habitats, bioremediation of toxic wastes and polluted sites, filtration of agricultural, mine and urban runoff, improvement of agricultural yields and control of biological organisms.

The present invention utilizes fungal spore mass or hyphal fragments in landscaping cloths, fiber substrates, paper products, hydroseeders and agricultural equipment. The fungi may include saprophytic fungi, including gourmet and medicinal mushrooms, mycorrhizal fungi, entomopathogenic fungi, parasitic fungi and fungi imperfecti. The fungi function as keystone species, delivering benefits to both the microsphere and biosphere. Such fungal delivery systems are useful for purposes including ecological rehabilitation and restoration, preservation and improvement of habitats, bioremediation of toxic wastes and polluted sites, filtration of agricultural, mine and urban runoff, improvement of agricultural yields and control of biological organisms. The invention allow for a variety of methods and products including the use of cardboard boxes as a delivery system for fungi with or without the combination with plant seeds for starting gardens, for controlling insects, or for the process of ecological recovery.

The invention discloses paecilomyces javanicus strain and the application thereof. The strain adopts paecilomyces javanicus IJ-N2, the strain is preserved in the China Center for Type Culture Collection on tenth of June in 2008 with a CCTCC No of M208085. The strain is wild strain obtained through separating a plutella xylostella body naturally infested by entomogenous fungous from Nonggang Natural Forest Reserve Areas in Guangxi, the paecilomyces javanicus strain is obtained through the wild strain being back inoculated to the plutella xylostella body for rejuvenation, and depurative strain is obtained through the monospore separating operation being performed to the strain. The paecilomyces javanicus strain has strong infestation and insecticidal effect to aleyrodids, solenopsis invicta buren, spodoptera litura, aphid and plutella xylostella according to long-term infection biology study and indoor bioassay.

The invention discloses a pesticide composition containing iminoctadine tris and fluazinam. The weight part ratio of the iminoctadine tris to the fluazinam is (20:1)-(1:50), preferably (10:1)-(1:20); and the weight percent of the weight sum of the iminoctadine tris and the fluazinam relative to the weight of the pesticide composition is 3-80%. According to the pesticide composition containing the iminoctadine tris and the fluazinam, disclosed by the invention, a remarkable synergistic effect is achieved after compunding the iminoctadine tris and the fluazinam, the dosage of the effective ingredients of the compounded agent is remarkably smaller than the dosage of a singly used agent, and double nursing including protection and treatment can be effectively carried out on crops. The pesticide composition containing the iminoctadine tris and the fluazinam is suitable for controlling crop diseases caused by pathogens such as ascomycetes and fungi imperfecti.

The invention discloses a pesticide composition containing iminoctadine tris and mancozeb. The weight part ratio of the iminoctadine tris to the mancozeb is (10:1)-(1:30), preferably (6:1)-(10:1); and the weight percent of the weight sum of the iminoctadine tris and the mancozeb relative to the weight of the pesticide composition is 30-80%. According to the pesticide composition containing the iminoctadine tris and the mancozeb, disclosed by the invention, a remarkable synergistic effect is achieved after compounding the iminoctadine tris and the mancozeb, the dosage of the effective ingredients of the compounded agent is remarkably smaller than the dosage of a singly used agent, and double nursing including protection and treatment can be effectively carried out on crops. The pesticide composition containing the iminoctadine tris and the mancozeb is suitable for controlling crop diseases caused by pathogens such as ascomycetes and fungi imperfecti.

The invention discloses a fungicide composition containing pyraclostrobin and ethylicin and application of the composition, and belongs to the field of vegetable disease prevention. The composition comprises pyraclostrobin and ethylicin, and the weight ratio of pyraclostrobin to ethylicin is (1-30):(2-40). The composition can be used for preventing melon, fruit and vegetable diseases caused by ascomycetes, basidiomycetes, oomycetes and fungi imperfecti, and has the advantages that the fungicidal effect is good, plant growth can be regulated, consumption and use frequency of chemical pesticides are reduced, and drug resistance is not likely to be generated.

The invention discloses a compounded pharmaceutical composition for preventing and curing powdery mildew. The compounded pharmaceutical composition comprises the following components: by weight, 10-15 parts of 35% high-fat membrane, 8-12 parts of 50% drazoxolon, 10-15 parts of dried orange peel, 4-8 parts of talcum, 4-8 parts of baicalein, 6-10 parts of 60% chlorothalonil, 4-8 parts of quisqualis and 6-10 parts of galagal rhizome. The compounded pharmaceutical composition provided by the invention requires simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect of fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention relates to a trifloxystrobin and bupirimate-containing sterilization composition. The trifloxystrobin and bupirimate-containing sterilization composition is compounded by the active ingredients: trifloxystrobin and bupirimate in a binary compounding manner, wherein the mass ratio of the trifloxystrobin to bupirimate is (1-40):(40-1), the mass parts ratio of trifloxystrobin to bupirimate in preparation is 1%-80%, and the rest ingredients include auxiliary compositions allowable and acceptable in the pesticides. The forms of the sterilization composition comprise emulsifiable solution, suspending agent, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules and microcapsules. The sterilization composition has good activity on almost all eumycetes (ascomycetes, basidiomycetes, oomycetes and fungi imperfecti) diseases such as powdery mildew, rust disease, sheath blight disease, net blotch, downy mildew, rice blast and the like, as well as good activity on damping off and apple scab.

The invention relates to a bactericide composition having a synergetic function. The bactericide composition contains effectively active components of propiconazole and hexaconazole, wherein the weight ratio of the propiconazole to the hexaconazole is (1-50):(50-1), the effectively active components can be prepared into suspending agents, microemulsions and emulsions in water by adding assistantsand excipients, and then the suspending agents, the microemulsions and the emulsions in water are used for preventing and treating diseases caused by pathogenic bacteria comprising hymenomycetes, basidiomycetes and fungi imperfecti.

The invention belongs to the technical field of microorganisms and discloses Chinese toon Alternaria mali 56-50. The Chinese toon Alternaria mali 56-50 is Alternaria mali in Alternaria of dematiaceous hyphomycetes of Hyphomycetales of Hyphomycetes of Fungi imperfecti, is preserved in the China general microbiological culture collection center in the institute of microbiology on No.3, Beichen West Road, Chaoyang District, Beijing, on September 30, 2016 and has an accession number of CGMCC No. 12980. The Chinese toon Alternaria mali is isolated from the stem of Chinese toon at first, and the secondary metabolites of the Chinese toon Alternaria mali have a good inhibitory effect on Pseudomonas aeruginosa and proteus. A method for preparing the secondary metabolite of the Chinese toon Alternaria mali 56-50 is simple and realizes a low cost.

The invention relates to a suspension seed coating agent. The active ingredients of the suspension seed coating agent are JS399-19 (2-cyano-3-amino-3-ethyl phenylacrylate) and enestroburin. In the suspension seed coating agent provided by the invention, the content ratio of the JS399-19 and the enestroburin is 1-80:80-1, preferably 1-40:40-1. The suspension seed coating agent provided by the invention can be used for seed coatings and has the advantages of long acting period, safety, low toxicity and obvious synergy. The suspension seed coating agent provided by the invention is used for preventing and treating various diseases caused by Fusarium graminearum, fungi imperfecti, basidiomycetes, Amas tigotes, ascomycetes, tubercle bacillus and the like, such as wheat scab, bakanae disease of rice and the like.

The invention discloses a disease resistant drug for Chinese cabbage downy mildew. The disease resistant drug comprises the following components in parts by weight: 10-15 parts of 50% thiram wettable powder, 8-12 parts of 75% chlorothalonil wettable powder, 10-15 parts of 35% atibeprone (ridomil), 4-8 parts of honeysuckle saponin, 4-8 parts of baicalin, 6-10 parts of indirubin, 4-8 parts of honeysuckle, and 6-10 parts of Chinese parsley. The disease resistant drug has the advantages of simple preparation, convenience in use and good effect on treatment of the Chinese cabbage downy mildew; through the test of experiments, 400-600 times of liquid of the mixture has obvious inactivation effect on fungus fungi imperfecti and peronospora parasitica; the disinfection effect is good.

The invention discloses pyrazole cyclohexanediol ether compounds; the structure of the compounds is represented by the formula (I), and the definitions of each substituent are listed in the description. The compounds (I) can be used to control plant diseases caused by pathogenic bacteria such as oomycota, basidiomycetes, ascomycetes, fungi imperfecti, and the like, and especially has a good activity on controlling diseases such as cucumber downy mildew, corn rust, rice blast, and the like.

The invention discloses an application method of a disease-resistant medicine for treating cucumber powdery mildew, comprising the following steps: A, a stock solution is prepared: components of the stock solution comprise 27% high-fat membrane, 2% pyrimidine nucleoside agricultural antibiotic, garlic extract, astragalus polysaccharide, baicalein, polyoxin, root of Chinese pulsatilla and dryopteris crasirhitom nakai; B, water is added to the stock solution to prepare a diluents which accounts for 400-600 times the mass of the stock solution; C, use dosage per mu is 3.5-4kg; the medicine is sprayed uniformly; front and back sides of a leaf are sprayed uniformly; the key point is to spray sick leaves; and upper healthy leaves are sprayed for protection; D, a fertilizer is applied within three days after spraying so as to prevent shortage of fertilizer and early aging and enhance disease resistance of plants; after fertilization, watering is not carried out at cloudy days and fresh air is blown in at sunny days; relative humidity in a greenhouse or shed is reduced, excess temperature is prevented, and stuffiness is avoided; and E, within three days after spraying, sulphur is used for smoking, and smoking is carried out in the shed for 10 min every day. The medicine provided by the invention requires a simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect on fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention discloses an anti-disease medicine for potato bacterial wilt. The anti-disease medicine comprises the following components in parts by weight: 10-15 parts of streptomycin sulfate, 8-12 parts of 25% cupric-amminium complexion water solution, 10-15 parts of 2% formalin liquid, 4-8 parts of glycyrrhizic acid, 4-8 parts of chlorogenic acid, 6-10 parts of polyoxin, 4-8 parts of ampelopsis japonica and 6-10 parts of pericarpium citri reticulatae. The anti-disease medicine is simple in proportioning and convenient to use, and has the good effect for treating the potato bacterial wilt; tests prove that a 400-600-time diluting solution of the mixture has an obvious inactivation effect on fungus fungi imperfecti sphaerotheca fuliginea and the sterilizing effect is good.

The invention discloses an insecticide / bactericide composition containing dinotefuran and prochloraz and application thereof. The insecticide / bactericide composition takes dinotefuran and prochloraz as main active ingredients, wherein the weight ratio of dinotefuran to prochloraz is (1-85):(0.5-70). The insecticide / bactericide composition has the beneficial effects that the insecticide / bactericide composition can have higher synergy and is especially suitable for controlling fungal diseases caused by crop pests, ascomycetes and fungi imperfecti; the dosage of the mixture is greatly reduced compared with that of the independent active compound, namely that the activity of the mixture is greater than that of the independent component; the drug dosage is reduced in practical application and then the drug cost is reduced; the insecticide / bactericide composition can control the fungal diseases caused by hemiptera, lepidoptera and coleoptera pests on the crops, ascomycetes and fungi imperfecti, and has obviously higher effects than single drugs; and besides, the composition is also especially suitable for treating seeds and protecting the seeds from the diseases after germination.

The invention discloses a verticillum dahlia resistant composition which comprises, by weight parts, 10-15 parts of 12% potassium sulfate, 8-12 parts of 55% organocopper complex-aliette, 10-15 parts of 6% calcium nitrate, 4-8 parts of citric acid, 4-8 parts of pulsatilla saponin, 6-10 parts of glycyrrhizic acid, 4-8 parts of ginger juice and 6-10 parts of 2% glutaraldehyde. The verticillum dahlia resistant composition has simplicity in matching and is convenient to use and good in eggplant verticillium wilt treatment effect. According to tests, 400-600-fold solution of the composition has obvious inactivation effects on fungi imperfecti subdivision dahlia verticillium.

The invention discloses a use method of pharmaceutical composition for preventing and treating powdery mildew. The use method includes the following steps that A. a stock solution is prepared, and components of the stock solution are 30% difenoconazole, 80% thiophanate methyl wettable powder, mint, cassia twig, baicalein, 75% chlorothalonil, gypsum and fructus anidii; B. water is added into the stock solution to be mixed to prepare diluent of 400-600 mass multiple ratio; C. 3.5-4kg of the diluent is used for each mu, spraying is conducted evenly on the front and the back of each leaf, especially on sick leaves, and spraying protection is conducted on upper healthy leaves; D. fertilizer is supplemented 3 days after the spraying is conducted, fertilizing loss and premature senility are prevented, plant disease resistance is improved, watering is not required in cloudy days after fertilizer is applied, ventilation is often conducted in sunny days, relative humidity of a greenhouse is reduced, temperature is prevented from being too high, and stuffiness is prevented; E. 3 days after spraying, sulphur smudging is conducted, and smudging is conducted for 10 minutes every day in the greenhouse. The use method is easy in matching, convenient to use and good in cucumber mildew treating effect. Through the tests, diluent of mixture of 400-600 mass multiple ratio has a remarkable inactivation effect on eubacterium fungi imperfecti sphaerotheca fuliginea powdery mildew and is good in sterilizing effect.

The invention discloses a preparation method of disease-resistant drug for watermelon southern blight. The preparation method comprises the following steps: A. materials of 40% quintozene, 15% wettable triadimefon powder, 50% wettable tolclofos-methyl powder, astragaloside, baicalin, polyoxin, honeysuckle and andrographis paniculata are prepared; B. extracting solutions of the honeysuckle and the andrographis paniculata are extracted; C. the 40% quintozene, the 15% wettable triadimefon powder, the 50% wettable tolclofos-methyl powder, the astragaloside, the baicalin and the polyoxin are compounded with the extracting solutions obtained in the step B; the drug for resisting the watermelon southern blight is obtained by thorough stirring and ultraviolet sterilizing. The preparation method of the invention has the advantages of simplicity, simple proportion of the prepared products, convenience in use and good effect on treatment of the watermelon southern blight. Experiments show that a solution of the mixture has an obvious inactivation effect on fungi imperfecti sclerotium rolfsii and athelia roffsii, wherein the amount of the solution is 400-600 times of that of the mixture; the disinfection effect is good.

The invention discloses an application method of a disease resistant drug for Chinese cabbage downy mildew. The application method comprises the following steps: A. a stock solution is prepared, and comprises the following components: 50% thiram wettable powder, 75% chlorothalonil wettable powder, 35% atibeprone (ridomil), honeysuckle saponin, baicalin, indirubin, honeysuckle and Chinese parsley; B. Chinese cabbages are cultivated; seeds without diseases are used, are dipped for 1.5-2 hours by using 400 times of volume ratio of the stock solution, and are taken out for flushing with clear water to sow; C. in the morbidity period, the stock solution is added with water for diluting to 600 times of solution for spraying; D. when the spraying is implemented in the step C, the stock solution is added with water for diluting to 500 times of solution for irrigating roots. The application method has the advantages of simplicity, simple application method of used products, simple preparation of the used products, convenience in use and good effect on treatment of the Chinese cabbage downy mildew; through the test of experiments, 400-600 times of liquid of the mixture has an obvious inactivation effect on fungus fungi imperfecti and peronospora parasitica; the disinfection effect is good.

The invention discloses a method for obtaining fungi imperfecti spore-free mycete Rosellinia sp. capable of producing PF1022. The method comprises the following steps: 1) culturing wild Rosellinia sp.fungi imperfecti spore-free mycete strains in a flat-plate solid culture medium containing 0.1mol / L to 1.2mol / L of a hypertonic solution; selecting single colonies with the colony diameter of less than 5mm and a round shape; 2) inoculating the single colonies into a fermentation culture medium and culturing; detecting the content of PF1022A in a fermentation product; selecting strains with the PF1022A content which is higher than that of starting strains. By adopting the method disclosed by the invention, the fungi imperfecti spore-free mycete strains Rosellinia sp. Strain PF1022 with the PF1022A yield which is improved by at least 1.2 times can be obtained; furthermore, the method has good repeatability and good reliability and is widely applied to a process of producing the PF1022 by utilizing the Rosellinia sp.fungi imperfecti spore-free mycete and industrial application of the PF1022A is facilitated.

The invention discloses a compounded medicine for inhibiting powdery mildew. The medicine comprises the following ingredients: by weight, 10-15 parts of 56% azoxystrobin chlorothalonil, 8-12 parts of drazoxolon, 10-15 parts of clove oil, 4-8 parts of astragalus polysaccharide, 4-8 parts of baicalein, 6-10 parts of sulfur powder, 4-8 parts of natural indigo and 6-10 parts of radical lobelia. The compounded medicine provided by the invention requires simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect of fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention discloses a production method of a disease-resistant medicine for treating cucumber powdery mildew, comprising the following steps: A, material preparation: 27% high-fat membrane, 2% pyrimidine nucleoside agri cultural antibiotic, garlic extract, astragalus polysaccharide, baicalein, polyoxin, root of Chinese pulsatilla and dryopteris crasirhitom nakai are prepared; B, alcohol leaching of extracts of the root of Chinese pulsatilla and Cyrtomium Rhizome: the root of Chinese pulsatilla and Cyrtomium Rhizome are crushed, broken and washed; after air drying, the root of Chinese pulsatilla and Cyrtomium Rhizome are placed in a closed container; 60 wt% of an ethanol solution is added, the root of Chinese pulsatilla and Cyrtomium Rhizome are infiltrated and immersed for 18 hours and then are placed in a percolator; the percolator is a barrel structure, a cone is arranged at the bottom of the barrel structure, and switch equipment for dripping is disposed below the cone for extraction of medicinal materials; medicinal materials are uniformly placed in the barrel; an immersion fluid, water or wine, is added and drips slowly; a percolate is collected; and ethanol is heated and recovered to obtain an extract; and C, 27% high-fat membrane, 2% pyrimidine nucleoside agri cultural antibiotic, garlic extract, astragalus polysaccharide, baicalein and polyoxin are combined with the extract obtained from the step B, uniform stirring is carried out, and UV sterilization is conducted so as to obtain the disease-resistant medicine for treating cucumber powdery mildew. The medicine provided by the invention requires a simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect on fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention discloses a production method of a disease resistant drug for Chinese cabbage downy mildew. The production method comprises the following steps: A. a stock solution is prepared, and comprises the following components: 50% thiram wettable powder, 75% chlorothalonil wettable powder, 35% atibeprone (ridomil), honeysuckle saponin, baicalin, indirubin, honeysuckle and Chinese parsley; B. extracting solutions of the honeysuckle and the Chinese parsley are digested by alcohol; C. the 50% thiram wettable powder, the 75% chlorothalonil wettable powder, the 35% atibeprone (ridomil), the honeysuckle saponin, the baicalin and the indirubin are compounded with the extracting solutions of the step B for evenly mixing, and are ultravioletly disinfected to obtain the drug resisting the Chinese cabbage downy mildew. The production method has the advantages of simplicity, simple application method of used products, simple preparation of the used products, convenience in use and good effect on treatment of the Chinese cabbage downy mildew; through the test of experiments, 400-600 times of liquid of the mixture has obvious inactivation effect on fungus fungi imperfecti and peronospora parasitica; the disinfection effect is good.

The invention relates to a sterilizing composition containing simeconazole and chloropiperidine ester. The sterilizing composition is prepared by compounding effective components, namely, simeconazole and chloropiperidine ester which are on the mass ratio of (1-80):(40-1); the total mass of the simeconazole and chloropiperidine ester in the preparation is of 1-80% based on the total mass of the whole preparation; and the rest components are the agromedical allowable and acceptable auxiliary components. The sterilizing composition provided by the invention can be prepared in pesticide formulation like missible oil, suspoemulsion, wettable powder, water dispersible granule, emulsion in water and microemulsion. The sterilizing composition containing simeconazole and chloropiperidine ester can be used for effectively preventing and treating a plurality of diseases caused by ascomycetes, basidiomycetes and fungi imperfecti, and has excellent effects of preventing various powdery mildews, cladosporium cucumerinum, rust diseases, damping off, banded sclerotial blight, rice blast, false smut, apple rust and watermelon anthracnose.

The invention discloses a cucumber powdery mildew disease-resistant medicine which comprises the following components: by weight, 10-15 parts of 27% high-fat membrane, 8-12 parts of 2% pyrimidine nucleoside agricultural antibiotic, 10-15 parts of garlic oil, 4-8 parts of astragalus polysaccharide, 4-8 parts of baicalein, 6-10 parts of polyoxin, 4-8 parts of root of Chinese pulsatilla and 6-10 parts of Cyrtomium Rhizome. The medicine provided by the invention requires simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect on fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention relates to a sterilization composition containing trifloxystrobin and efficient metalaxyl-M. Effective constituents of the sterilization composition are a binary combination of the trifloxystrobin and the efficient metalaxyl-M, wherein the mass ratio of the trifloxystrobin to the efficient metalaxyl-M is 1-40 to 40-1. The mass percentage ratio of effective constituents, namely the trifloxystrobin to the efficient metalaxyl-M, in a preparation is 1-80%, the remaining constituents are auxiliary constituents which are allowed to be used in and acceptable to pesticide, and the dosage form of the sterilization composition can be missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, micron emulsion, granules and micro capsules. The sterilization composition has high activity against almost all eumycetes (ascomycetes, basidiomycetes, oomycetes and fungi imperfecti) diseases such as powdery mildew, rust disease, bacterial wilt, net blotch, downy mildew and rice blast and also has good activity against damping-off and apple scab.

The invention discloses a production method of a pharmaceutical composition for preventing and treating powdery mildew, comprising the following steps: A, material preparation: 30% Score WG, 80% thiophanate methyl wettable powder, mint, cassia twig, baicalein, 75% chlorothalonil, gypsum and common cnidium fruit are prepared; B, alcohol leaching of an extract of gypsum and common cnidium fruit: gypsum and common cnidium fruit are crushed, broken and washed; after air drying, gypsum and common cnidium fruit are placed in a closed container; 60 wt% of an ethanol solution is added, gypsum and common cnidium fruit are infiltrated and immersed for 18 hours and then are placed in a percolator; the percolator is a barrel structure, a cone is arranged at the bottom of the barrel structure, and switch equipment for dripping is disposed below the cone for extraction of medicinal materials; medicinal materials are uniformly placed in the barrel; an immersion fluid, water or wine, is added and drips slowly; a percolate is collected; and ethanol is heated and recovered to obtain an extract; and C, 30% Score WG, 80% thiophanate methyl wettable powder, mint, cassia twig, baicalein and 75% chlorothalonil are combined with the extract obtained from the step B, the mixture is stirred uniformly and UV sterilization is finally carried out to obtain the pharmaceutical composition for preventing and treating powdery mildew. The pharmaceutical composition provided by the invention requires a simple composition ratio, is convenient to use and has a good effect of treating cucumber powdery mildew. Through tests, a liquid which accounts for 400-600 times the volume of the mixture has an obvious inactivation effect on fungi imperfecti Sphaerotheca powdery mildew, and has a good bactericidal effect.

The invention relates to a bactericide composition having a synergetic function. The bactericide composition contains effectively active components of propiconazole and hexaconazole, wherein the weight ratio of the propiconazole to the hexaconazole is (1-50):(50-1), the effectively active components can be prepared into suspending agents, microemulsions and emulsions in water by adding assistantsand excipients, and then the suspending agents, the microemulsions and the emulsions in water are used for preventing and treating diseases caused by pathogenic bacteria comprising hymenomycetes, basidiomycetes and fungi imperfecti.

The invention relates to a sterilizing composition containing trifloxystrobin and amisulbrom. The effective components are the trifloxystrobin and the amisulbrom which are compounded; the mass ratio of the trifloxystrobin to the amisulbrom is (1-40):(40-1); in the preparation, the mass part ratio of the effective components, namely the trifloxystrobin to the amisulbrom, is 1 % to 80 %, and the balance is auxiliary components which are allowed to be used and can be accepted in pesticide; the dosage forms of the sterilizing composition are missible oil, a suspending agent, wettable powder, waterdispersible granules, emulsion in water, micro-emulsion, granules and microcapsules. The sterilizing composition has high activity on nearly all the eumycetes (ascomycetes, basidiomycetes, oomycetesand fungi imperfecti) diseases such as powdery mildew, rust disease, glume blight, net blotch, downy mildew and rice blast, and also has high activity on damping off and apple scab.