• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a fungicide composition having excellent fungicidal activity, particularly a fungicide composition comprising isofetamid and mandestrobin as active ingredients, and a method for controlling a disease of a crop, which comprises applying isofetamid and mandestrobin to the crop.
    公开号:EP3679795A1
    申请号:EP18854109.8
    申请日:2018-08-31
    公开日:2020-07-15
    发明作者:Yuzuka ABE；Shuko Nishimi
    申请人:Ishihara Sangyo Kaisha Ltd；Sumitomo Chemical Co Ltd；
    IPC主号:A01N43-00
    专利说明:
    [0001] The present invention relates to a fungicide composition and a method for controlling a disease of a crop. BACKGROUND ART
    [0002] N-[1,1-dimethyl-2-(4-isopropoxy-o-tolyl)-2-oxoethyl]-3-methylthiophene-2-carboxamide (hereinafter referred to as "isofetamid") is a compound known as an active ingredient of a plant disease controlling agent, i.e., an agricultural and horticultural fungicide, and has been described, for example, in The Pesticide Manual, BRITISH CROP PROTECTION COUNCIL, 17th edition, p.654-655. In addition, (RS)-2-methoxy-N-methyl-2-[α-(2,5-xylyloxy)-o-tolyl]acetamide (hereinafter referred to as "mandestrobin") is also a compound known as an active ingredient of a controlling agent against plant diseases, i.e. an agricultural and horticultural fungicide and has been described, for example, in The Pesticide Manual, BRITISH CROP PROTECTION COUNCIL, 17th edition, p.692.
    [0003] Patent Document 1 describes that a fungicide composition having an excellent synergistic effect is obtained by mixing a carboxylic acid amide derivative including isofetamid, which is one of active ingredients in the fungicide composition of the present invention, or a salt thereof with other specific fungicide.
    [0004] However, it has not been specifically known that the fungicide composition of the present invention exhibits a remarkably excellent fungicidal effect and has a higher controlling effect on a disease of a crop. PRIOR ART DOCUMENTSPATENT DOCUMENTS
    [0005] Patent Document 1: WO2009/060734 SUMMARY OF THE INVENTIONPROBLEMS TO BE SOLVED BY THE INVENTION
    [0006] During the cultivation of agricultural and horticultural crops, a wide variety of diseases may occur and more than one disease often occurs simultaneously. Controlling these diseases with only one kind of active ingredient may result in insufficient effect or increased risk of emergence of fungicide-resistance. Thus, it has been desired to find a mixture, which complements the disadvantages of conventional fungicides and has a stable controlling effect. The present invention relates to a fungicide composition suitable for agricultural and horticultural use and a method for controlling a disease of a crop. MEANS FOR SOLVING THE PROBLEMS
    [0007] The inventors have studied to solve the above mentioned problems. As a result, they have found that a fungicide composition comprising isofetamid and mandestrobin as active ingredients has a wide fungicidal spectrum, exhibits stable fungicidal effects at low dosage, and further has a higher controlling effect on a disease of a crop by applying both chemicals even at low doses at which a practical effect is not exhibited by applying each chemical alone, and thus the present invention has been achieved.
    [0008] That is, the present invention relates to a fungicide composition comprising isofetamid and mandestrobin as active ingredients and a method for controlling a disease of a crop, which comprises applying isofetamid and mandestrobin to a crop. EFFECT OF THE INVENTION
    [0009] The fungicide composition of the present invention has the wide fungicidal spectrum and safety to the crop, has a higher synergistic effect by mixing both fungicidal active ingredients in application of them at low dosage, at which a practical effect is not exhibited by applying each fungicidal active ingredient alone, and exhibits a practically higher controlling effect. The fungicide composition of the present invention also shows to be effective on a fungus resistant or low susceptible to existing fungicides. EMBODIMENTS FOR CARRYING OUT THE INVENTION
    [0010] The weight ratio between isofetamid and mandestrobin contained in the fungicide composition of the present invention is usually 1:1000 to 1000:1, preferably 1:100 to 100:1, more preferably 1:10 to 10:1, and even more preferably 1:2 to 2:1. Further, said weight between isofetamid and mandestrobin may be preferably 1:1000 to 1:10.
    [0011] The fungicide composition of the present invention may be a mixture itself of isofetamid and mandestrobin or may be formulated in the form of oils, an emulsifiable concentrate, wettable powders, a water-dispersible granule, granules, powders, solutions, flowables, dry-flowables, microcapsules, oil-based dispersion, a water-based suspension concentrate, etc. by mixing the mixture with a solid or liquid carrier and, if necessary, adding a surfactant or other formulating adjuvant. Further, the fungicide composition of the present invention also includes a composition of isofetamid and mandestrobin together with surfactant or the like diluted in water so as to spray. The total amount of isofetamid and mandestrobin contained in the formulation is from 0.01 to 99% by weight, preferably from 0.1 to 90% by weight, and more preferably from 2 to 80% by weight, based on the total weight of the formulation.
    [0012] Examples of the carrier include solid carriers such as clay, talc, bentonite, kaolin, diatomaceous earth, white carbon, calcium carbonate, sodium chloride, zeeklite, urea, ammonium sulfate, starch and the like, and liquid carriers such as aromatic hydrocarbons such as toluene, xylene and solvent naphtha, diethylene glycol monomethyl ether, dimethyl sulfoxide, dimethylformamide, vegetable oil such as corn oil, water and the like. Examples of the surfactant and dispersant include, for example, alkylsulfonic acid metal salts (hereinafter, the metal salts refer alkali metal salts and alkaline earth metal salts such as sodium salt, potassium salt, calcium salt and the like), alkylbenzene sulfonate, alkylnaphthalene sulfonate, alkylbenzenesulfonate condensed with formaldehyde, alkylnaphtalenesulfonate condensed with formaldehyde, lignin sulfonic acid metal salts, polycarboxylate metal salts, alkyl sulfosuccinate salts, diaryl alkyl disulfonic acid metal salts, alcohol sulfuric acid esters, alkyl aryl sulfonic acid metal salts, polyoxyethylene alkyl aryl ether sulfate, polyoxyethylene styryl phenyl ether sulfate, polyoxyethylene styryl phenyl ether phosphate, polyoxyethylene glycol ether, polyoxyethylene aryl phenyl ether, polyoxyethylene styryl phenyl ether, polyoxyethylene alkyl aryl ether, polyoxyethylene sorbitan monoalkylate, polyoxyethylene castor oil, polyoxyethylene hydrogenated castor oil and the like. The other adjuvants include binders such as carboxymethyl cellulose salts, polyvinyl alcohols, xanthan gum, dextrin, polyacrylic acid salts and the like, antifreezing agents such as ethylene glycol, polyethylene glycol, polypropylene glycol and the like, preservatives, and the like.
    [0013] The preparation of the formulation can be carried out according to the usual method in this technical field.
    [0014] In the method for controlling a disease of the present invention, the above described fungicide composition of the present invention may be used, or each of isofetamid and mandestrobin or the formulations of each of them may be sequentially applied without premixing them.
    [0015] In the method for controlling a disease of the present invention, isofetamid and mandestrobin, the fungicide active ingredients, are usually applied to crops infected with or at risk of being infected with harmful pathogenic fungus at a weight ratio of 1:1000 to 1000:1, preferably 1:100 to 100:1, more preferably 1:10 to 10:1, and even more preferably 1:2 to 2:1. Further, said weight ratio between isofetamid and mandestrobin may be preferably 1:1000 to 1:10. The concentration and amount of them to be applied vary depending on the form of the formulation, the target disease, the occurrence tendency, the extent of the damage, the environmental condition, etc. However, in the case of the application as it is without dilution with water like powders, the amount of isofetamid to be applied per 10 ares is 0.01 g to 2.5 kg, and preferably 1 g to 500 g, and the amount of mandestrobin to be applied per 10 ares is 0.05 g to 2.5 kg, and preferably 5 g to 500 g. In the case of the application after diluting a formulation, such as wettable powders, a water-dispersible granule or a water-based suspension concentrate, in water, the concentration of isofetamid to be applied is 0.01 to 10000 ppm, preferably 0.1 to 10000 ppm, more preferably 1 to 10000 ppm, even more preferably 1 to 1000 ppm, even more preferably 50 to 200 ppm, even more preferably 0.01 to 10 ppm, and may be 0.01 to 1 ppm, and the concentration of mandestrobin to be applied is 0.01 to 10000 ppm, preferably 0.5 to 10000 ppm, more preferably 1 to 10000 ppm, even more preferably 1 to 1000 ppm, even more preferably 50 to 200 ppm and may be 0.01 to 10 ppm. The amount of isofetamid to be applied per 10 ares is generally 0.01 g to 2.5 kg, and preferably 1 g to 500 g, and the amount of mandestrobin to be applied per 10 ares is generally 0.05 g to 2.5 kg, and preferably 5 g to 500 g.
    [0016] In the method for controlling a disease of the present invention, upon application of the fungicide composition of the present invention, the composition can be sprayed on the crop infected with or at risk of being infected with harmful pathogenic fungus, if necessary, using a sprayer such as a power sprayer, a shoulder sprayer, a handsprayer or the like. Also, upon application, the composition can be applied by mixing with other insecticides, fungicides, plant growth regulators, fertilizers and the like.
    [0017] The fungicide composition of the present invention shows excellent fungicidal action by being applied to crops, for example vegetables such as cucumber, tomato, strawberry, eggplant, onion, leek, carrot, lettuce, cabbage, Chinese cabbage, pumpkin, melon and watermelon, fruit trees such as apple, pear, peach, cherry fruit, Japanese apricot, tangerine, grape and persimmon, beans such as soybean, kidney bean, pea and adzuki bean, and tea, etc., and is suitable for controlling, for example, powdery mildew, leaf mold, Cercospora leaf mold, gray mold, brown spot, scab (Venturia inaequalis), rust, Alternaria blotch, black spot, ring spot, fly speck, sooty blotch, fruit spot, anthracnose, purple blotch, leaf spot, sclerotinia rot, blossom blight, gummy stem blight, ripe rot, Anthracnose (Bird's eye rot), brown rot, phomopsis rot, brown stem rot, blister blight, net blister blight, gray blight, scab (Elsinoë fawcettii), valsa canker, shoot dieback, etc., and more suitable for controlling powdery mildew, leaf mold, anthracnose, scab (Venturia inaequalis), rust, Alternaria blotch, blossom blight, gray mold, valsa canker, brown spot, fly speck, sooty blotch, ripe rot, fruit spot, scab (Elsinoë fawcettii) and brown stem rot among the above diseases, and even more suitable for controlling scab (Venturia inaequalis) and anthracnose among the above diseases, and most suitable for controlling anthracnose among the above diseases. Further, the method for controlling a disease of the present invention is suitable for controlling these diseases.
    [0018] Preferred embodiments of the present invention are described below.[1] A fungicide composition comprising isofetamid and mandestrobin as active ingredients. [2] The composition according to [1], wherein the weight ratio between isofetamid and mandestrobin is 1:1000 to 1000: 1. [3] The composition according to [1] or [2], wherein the weight ratio between isofetamid and mandestrobin is 1:100 to 100:1. [4] The composition according to any one of [1] to [3], wherein the weight ratio between isofetamid and mandestrobin is 1:10 to 10:1. [5] The composition according to [1] or [2], wherein the weight ratio between isofetamid and mandestrobin is 1:1000 to 1:10. [6] The composition according to any one of [1] to [4], wherein the weight ratio between isofetamid and mandestrobin is 1:2 to 2:1. [7] The composition according to any one of [1] to [6], for controlling scab of fruits or leafs. [8] The composition according to any one of [1] to [6], for controlling anthracnose. [9] A method for controlling a disease of a crop, which comprises applying isofetamid and mandestrobin to the crop. [10] The method for controlling the disease of the crop according to [9], wherein the weight ratio between isofetamid and mandestrobin is 1:1000 to 1000:1. [11] The method for controlling the disease of the crop according to [9] or [10], wherein the weight ratio between isofetamid and mandestrobin is 1:100 to 100:1. [12] The method for controlling the disease of the crop according to any one of [9] to [11], wherein the weight ratio between isofetamid and mandestrobin is 1:10 to 10:1. [13] The method for controlling the disease of the crop according to [9] or [10], wherein the weight ratio between isofetamid and mandestrobin is 1:1000 to 1:10. [14] The method for controlling the disease of the crop according to any one of [9] to [12], wherein the weight ratio between isofetamid and mandestrobin is 1:2 to 2:1. [15] The method according to any one of [9] to [14], wherein the concentration of isofetamid to be applied is 0.01 ppm to 10000 ppm and the concentration of mandestrobin to be applied is 0.01 ppm to 10000 ppm. [16] The method according to any one of [9] to [15], wherein the concentration of isofetamid to be applied is 0.1 ppm to 10000 ppm and the concentration of mandestrobin to be applied is 0.5 ppm to 10000 ppm. [17] The method according to any one of [9] to [16], wherein the concentration of isofetamid to be applied is 1 ppm to 10000 ppm and the concentration of mandestrobin to be applied is 1 ppm to 10000 ppm. [18] The method according to any one of [9] to [17], wherein the concentration of isofetamid to be applied is 1 ppm to 1000 ppm, and the concentration of mandestrobin to be applied is 1 ppm to 1000 ppm. [19] The method according to any one of [9] to [15], wherein the concentration of isofetamid to be applied is 0.01 ppm to 10 ppm and the concentration of mandestrobin to be applied is 0.01 ppm to 10 ppm. [20] The method according to any one of [9] to [15], wherein the concentration of isofetamid to be applied is 0.01 ppm to 1 ppm, and the concentration of mandestrobin to be applied is 0.01 ppm to 10 ppm. [21] The method according to any one of [9] to [18], wherein the concentration of isofetamid to be applied is 50 ppm to 200 ppm and the concentration of mandestrobin to be applied is 50 ppm to 200 ppm. [22] The method according to any one of [9] to [21], which comprises controlling scab of fruits or leafs. [23] The method according to any one of [9] to [21], which comprises controlling anthracnose. EXAMPLES
    [0019] Hereinafter, Test Examples relating to the present invention are described but are not intended to limit the present invention. Test Example 1: Effect test against pear scab (Japanese pear scab) (Effect on leaves)
    [0020] A given amount of a chemical was sprayed on adult trees of pear (cultivar: Housui) with a pressurized sprayer in an amount sufficient to drip from the leaves. The spraying was performed four times in total at intervals of 8 to 10 days, about 50 leaves per area were investigated about the presence or absence of the onset of the disease 11 days after the final spraying, and the ratio of the leaves with the onset of the disease and the disease control value were calculated (in triplicate). In addition, the theoretical value (of the disease control value) by mixing was also calculated according to the Colby's formula. Disease control value = 1 − a / b × 100
    [0021] When the actually measured value is higher than the theoretical value, the fungicide composition of the present invention has a synergistic effect on pear scab (Japanese pear scab). Table 1 Treating chemical, concentration Ratio of leaves with onset of disease (%) Disease control value Theoretical value Isofetamid, 190 ppm 40.5 56.4 Isofetamid, 90 ppm 31.3 66.3 Mandestrobin, 140 ppm 23.3 74.9 mandestrobin, 70 ppm 31.7 65.9 Isofetamid + Mandestrobin, 190 ppm + 140 ppm 3.3 96.4 89.0 Isofetamid + Mandestrobin, 90 ppm + 70 ppm 2.7 97.1 88.5 No treatment area 92.9 Test Example 2: Effect test against pear scab (Japanese pear scab) (Effect on fruits)
    [0022] A given amount of a chemical was sprayed on adult trees of pear (cultivar: Housui) with a pressurized sprayer in an amount sufficient to drip from the leaves and fruits. The spraying was performed four times in total at intervals of 6 to 11 days, about 50 fruits per area were investigated about the presence or absence of the onset of the disease 8 days after the final spraying, and the ratio of the fruits with the onset of the disease and the disease control value were calculated (in triplicate). In addition, the theoretical value (of the disease control value) by mixing was also calculated according to the Colby's formula. Disease control value = 1 − a / b × 100
    [0023] A fungal flora (diameter: 4 mm) obtained by pre-cultivation was transplanted on PDA (potato dextrose agar medium) containing a given concentration of a chemical and then cultured at room temperature of 20°C for 25 days, followed by measuring the diameter (mm) of the grown flora to determine the hyphal elongation inhibition rate.
    [0024] In addition, theoretical values (of the hyphal elongation inhibition rate) were calculated according to the Colby's calculation formula based on the above determined hyphal elongation inhibition rate, and presented in parenthesis in the table. Inhibition rate = 1 − a / b × 100
    [0025] When the experimental value is higher than the theoretical value, the fungicide composition of the present invention has a synergistic effect on pear scab(Japanese pear scab) fungus. Table 3 Mandestrobin Isofetamid 10ppm 1ppm 0.1ppm 0. 01ppm 0ppm 10ppm 100 (100) 100 (100) 100 (100) 100 (100) 100 1ppm 100 (72.1) 81.6 (63.6) 56.7 (56.1) 56.0 (49.6) 49.6 0.1ppm 80.9 (49.4) 54.6 (33.8) 31.2 (20.2) 24.1 (8.5) 8.5 0.01ppm 64.5 (44.7) 34.0 (27.7) 19.9 (12.8) 7.8 (0.0) 0.0 0ppm 44.7 27.7 12.8 0.0 Numbers in the table: Inhibition rate (%), theoretical values in parentheses Test Example 4: Inhibitory effect test for hyphal elongation (apple anthracnose (apple bitter rot) fungus, Colletotrichum gloeosporioides)
    [0026] A fungal flora (diameter: 4 mm) obtained by pre-cultivation was transplanted on PDA containing a given concentration of a chemical and then cultured at room temperature of 20°C for 2 days, followed by measuring the diameter of the grown flora in the same manner as described in Test Example 3 to determine the hyphal elongation inhibition rate.
    [0027] In addition, theoretical values (of the hyphal elongation inhibition rate) were calculated according to the Colby's calculation formula based on the above determined hyphal elongation inhibition rate, and presented in parenthesis in the table. Table 4 Mandestrobin Isofetamid 10ppm 1ppm 0.1ppm 0.01ppm 0ppm 10ppm 51.9 (35.0) 49.4 (16.3) 32.7 (6.3) 38.5 (4.4) 2.6 1ppm 48.7 (33.3) 57.7 (14.1) 31.4 (3.8) 51.3 (1.9) 0.0 0.1ppm 62.2 (33.3) 36.5 (14.1) 20.5 (3.8) 0.6 (1.9) 0.0 0. 01ppm 48.1 (33.3) 52.6 (14.1) 30.1 (3.8) 0.0 (1.9) 0.0 0ppm 33.3 14.1 3.8 1.9 Numbers in the table: Inhibition rate (%), theoretical values in parentheses Test Example 5: Inhibitory effect test for hyphal elongation (apple anthracnose (apple bitter rot) fungus, Colletotrichum acutatum)
    [0028] A fungal flora (diameter: 4 mm) obtained by pre-cultivation was transplanted on PDA containing a given concentration of a chemical and then cultured at room temperature of 20°C for 2 days, followed by measuring the diameter of the grown flora in the same manner as described in Test Example 3 to determine the hyphal elongation inhibition rate.
    [0029] In addition, theoretical values (of the hyphal elongation inhibition rate) were calculated according to the Colby's calculation formula based on the above determined hyphal elongation inhibition rate, and presented in parenthesis in the table. Table 5 Mandestrobin Isofetamid 10ppm 1ppm 0.1ppm 0. 01ppm 0ppm 10ppm 82.2 (66.5) 71.3 (56.8) 52.5 (24.8) 45.5 (24.8) 24.8 1ppm 82.2 (55.4) 59.4 (42.6) 38.6 (0.0) 59.4 (0.0) 0.0 0.1ppm 90.1 (56.8) 54.5 (44.3) 39.6 (3.0) 11.9 (3.0) 3.0 0.01ppm 86.1 (58.5) 57.4 (46.6) 37.6 (6.9) 21.8 (6.9) 6.9 0ppm 55.4 42.6 0.0 0.0 Numbers in the table: Inhibition rate (%), theoretical values in parentheses
    [0030] Now, Formulation Examples of the present invention will be described below.
    [0031] However, the blend ratio, the type of formulation or the like in the present invention is by no means restricted to the following Examples. FORMULATION EXAMPLE 1
    [0032] (1)Isofetamid40 parts by weight(2)Mandestrobin30 parts by weight(3)Sodium alkylbenzene sulfonate14.5 parts by weight(4)NaCl15 parts by weight(5)Dextrin0.5 parts by weight
    [0033] The above components are added into a high-speed mixing granulator, mixed with an appropriate amount of water, granulated, and dried to obtain a water-dispersible granule. FORMULATION EXAMPLE 2
    [0034] (1)Kaolin78 parts by weight(2)Sodium alkylnaphthalene sulfonate2 parts by weight(3)Sodium polycarboxylate5 parts by weight(4)Silica15 parts by weight
    [0035] The mixture of the above components and the mixture of Isofetamid and Mandestrobin at a ratio of 9:7 are mixed in a weight ratio of 9:1 to obtain a wettable powder. FORMULATION EXAMPLE 3
    [0036] (1)Clay33 parts by weight(2)Sodium naphthalenesulfonate3 parts by weight(3)Sodium lignosulfonate4 parts by weight(4)Isofetamid30 parts by weight(5)Mandestrobin30 parts by weight
    [0037] The above components are mixed to obtain a wettable powder. FORMULATION EXAMPLE 4
    [0038] (1)Isofetamid4.5 parts by weight(2)Mandestrobin3.5 parts by weight(3)Bentonite30 parts by weight(4)Calcium carbonate57.5 parts by weight(5)Sodium polyacrylate3 parts by weight(6)Calcium lignosulfonate1.5 parts by weight
    [0039] The above components (1) and (2) are mixed and pulverized. The components (3) and (4) are mixed with the mixture, then components (5), (6) and an appropriate amount of water are mixed thereto. The mixture is extruded and granulated, followed by drying and sieving to obtain granules. FORMULATION EXAMPLE 5
    [0040] (1)Isofetamid20 parts by weight(2)Mandestrobin15 parts by weight(3)Clay55 parts by weight(4)Alkyl sodium sulfosuccinate5 parts by weight (5)Alkylnaphtalenesulfonate condensed with formaldehyde 5 parts by weight
    [0041] The above components are mixed and pulverized. An appropriate amount of water is added to the mixture. The mixture is kneaded and then extruded and granulated, followed by drying and sieving to obtain a water-dispersible granule. FORMULATION EXAMPLE 6
    [0042] (1)Isofetamid9 parts by weight(2)Mandestrobin7 parts by weight(3)Polyoxyethylene tristyryl phenyl ether3 parts by weight(4)Sodium polycarboxylate2 parts by weight(5)Propylene glycol10 parts by weight(6)Xanthangum0.2 parts by weight(7)Preservative0.1 parts by weight(8)Water68.7 parts by weight
    [0043] The above components (1) to (4) and (8) are mixed and pulverized by a wet-grinding machine. Then components (5) to (7) are mixed with the mixture to obtain a water-based suspension concentrate. FORMULATION EXAMPLE 7
    [0044] (1)Isofetamid20 parts by weight(2)Mandestrobin15 parts by weight (3)Polyoxyethylene tristyryl phenyl ether3 parts by weight(4)Dibutyl block copolymer2 parts by weight(5)Propylene glycol10 parts by weight(6)Xanthangum0.1 parts by weight(7)Preservative0.1 parts by weight(8)Water49.8 parts by weight
    [0045] The above components (1) to (4) and (8) are mixed and pulverized by a wet-grinding machine. Then components (5) to (7) are mixed with the mixture to obtain a water-based suspension concentrate. FORMULATION EXAMPLE 8
    [0046] (1)Isofetamid20 parts by weight(2)Mandestrobin20 parts by weight(3)Polyoxyethylene tristyryl phenyl ether3 parts by weight(4)Alkylnaphtalenesulfonate condensed withformaldehyde2 parts by weight(5)Propylene glycol10 parts by weight(6)Xanthangum0.1 parts by weight(7)Preservative0.1 parts by weight(8)Water44.8 parts by weight
    [0047] The above components (1) to (4) and (8) are mixed and pulverized by a wet-grinding machine. Then components (5) to (7) are mixed with the mixture to obtain a water-based suspension concentrate. FORMULATION EXAMPLE 9
    [0048] (1)Isofetamid30 parts by weight(2)Mandestrobin20 parts by weight(3)Polyoxyethylene tristyryl phenyl ether 3 parts by weight(4)Alkyl sodium sulfosuccinate2 parts by weight(5)Propylene glycol10 parts by weight(6)Xanthangum0.1 parts by weight(7)Preservative0.1 parts by weight(8)Water34.8 parts by weight
    [0049] The above components (1) to (4) and (8) are mixed and pulverized by a wet-grinding machine. Then components (5) to (7) are mixed with the mixture to obtain a water-based suspension concentrate. FORMULATION EXAMPLE 10
    [0050] (1) Isofetamid30 parts by weight(2)Mandestrobin20 parts by weight(3)Polyoxyethylene tristyryl phenylether sulfate 3 parts by weight(4)Alkyl sodium sulfosuccinate2 parts by weight(5)Propylene glycol10 parts by weight (6)Xanthangum0.1 parts by weight(7) Preservative0.1 parts by weight(8)Water34.8 parts by weight
    [0051] The above components (1) to (4) and (8) are mixed and pulverized by a wet-grinding machine. Then components (5) to (7) are mixed with the mixture to obtain a water-based suspension concentrate. FORMULATION EXAMPLE 11
    [0052] (1) Isofetamid10 parts by weight(2)Mandestrobin10 parts by weight(3)Polyoxyethylene hydrogenated castor oil 12 parts by weight(4)Bentonite1 parts by weight(5)Corn oil67 parts by weight
    [0053] The above components are mixed and pulverized by a wet-grinding machine to obtain an oil-based dispersion. FORMULATION EXAMPLE 12
    [0054] (1)Isofetamid9 parts by weight(2)Mandestrobin7 parts by weight(3)Polyoxyethylene arylphenyl ether10 parts by weight(4)Aromatic hydrocarbons74 parts by weightThe above components are mixed to obtain an emulsifiable concentrate.
    权利要求:
    Claims (5)
    [0001] A fungicide composition comprising isofetamid and mandestrobin as active ingredients.
    [0002] The composition according to claim 1, wherein the weight ratio of isofetamid to mandestrobin is 1:1000 to 1000:1.
    [0003] A method for controlling a disease of a crop, which comprises applying isofetamid and mandestrobin to the crop.
    [0004] The method according to claim 3, wherein the weight ratio of isofetamid to mandestrobin is 1:1000 to 1000:1.
    [0005] The method according to claim 3, wherein the concentration of isofetamid to be applied is 0.01 ppm to 10000 ppm and the concentration of mandestrobin to be applied is 0.01 ppm to 10000 ppm.
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    CO2020003865A2|2020-06-19|
    CA3072738A1|2019-03-14|
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