CN113243370A - Kasugamycin-containing bactericidal composition - Google Patents
Kasugamycin-containing bactericidal composition Download PDFInfo
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- CN113243370A CN113243370A CN202110592450.4A CN202110592450A CN113243370A CN 113243370 A CN113243370 A CN 113243370A CN 202110592450 A CN202110592450 A CN 202110592450A CN 113243370 A CN113243370 A CN 113243370A
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- kasugamycin
- fluxapyroxad
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- wheat scab
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kasugamycin-containing composition and application of the bactericidal composition in preventing and treating rice blast and wheat scab, wherein the composition comprises kasugamycin and fluxapyroxad, and the mass ratio of the kasugamycin to the fluxad is (1-50) to (50-1). According to the invention, the kasugamycin and the fluxapyroxad are compounded, so that the control effect on wheat scab and wheat scab is improved.
Description
Technical Field
The invention belongs to the technical field of pesticide application, and particularly relates to a kasugamycin-containing bactericidal composition, which is applied to prevention and treatment of rice blast and wheat scab.
Background
The rice blast is one of important diseases of rice, is a fungal disease caused by Pyricularia oryzae, and occurs in each rice production area in China. The yield is reduced by 10 to 20 percent in popular years, 40 to 50 percent in serious years, and even no grain is recovered. Mainly harmful to leaves, stalks and ears. Based on the period of damage, the parts are divided into seedling plague, leaf plague, joint plague, ear blast and grain plague.
Wheat is the most important crop for grain cultivation in the world and is also one of the main food crops in China. Cereal crops are often threatened by fungal diseases such as smut, head blight, powdery mildew, banded sclerotial blight, rust disease and leaf blight. These diseases occur in the world in cereal growing areas and seriously affect the yield and quality of cereal agricultural products.
Kasugamycin, also known as kasugamycin, is chemically known as (5-amino-2-methyl-6- (2, 3, 4, 5, 6-hydroxycyclohexyl oxo) tetrahydropyran-3-yl) amino-alpha-iminoacetic acid agricultural fungicide. Kasugamycin can interfere with an esterase system of amino acid metabolism, thereby influencing the synthesis of protein, inhibiting hypha elongation and causing cell granulation, and having excellent prevention effect and treatment effect on rice blast on rice.
Fluxapyroxad (common name: pydiflumetofen), chemical name: 3- (difluoromethyl) -N-methoxy-1-methyl-N- [ (RS) -1-methyl-2- (2, 4, 6-trichlorophenyl) ethyl ] pyrazole-4-formamide is a novel pyridine amide bactericide which is developed by Zhangda and acts on Succinate Dehydrogenase (SDHI), and the fluxapyroxad has the defects of higher use cost and urgent need for reducing the use cost of the fluxad.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a kasugamycin-containing bactericidal composition and application of the bactericidal composition in rice blast and wheat scab.
The invention is realized by the following technical scheme:
the kasugamycin-containing bactericidal composition is characterized by comprising active ingredients of kasugamycin and fluxapyroxad hydroxylamine, wherein the mass ratio of the kasugamycin to the fluxapyroxad hydroxylamine is (1-50) to (50-1).
Preferably, the mass ratio of the kasugamycin to the fluxapyroxad is (1-20) to (20-1).
Preferably, the mass ratio of the kasugamycin to the fluxapyroxad is (1-10) to (10-1).
Preferably, the mass ratio of the kasugamycin to the fluxapyroxad is 1: 1.
Preferably, the amount of the composition is 10.0 g/acre.
An application of a kasugamycin-containing bactericidal composition in preventing and treating rice blast and wheat scab.
According to the invention, the sterilization composition containing kasugamycin and fluxapyroxad is applied to the prevention and treatment of rice blast and wheat scab, and the compounded sterilization composition improves the prevention and treatment effects on wheat scab and rice blast, reduces the use times of pesticides and reduces the use cost.
Detailed Description
The present invention will be described in further detail with reference to specific examples to better understand the technical solution.
The invention relates to a composition containing kasugamycin, which comprises kasugamycin and fluxapyroxad, wherein the mass ratio of the kasugamycin to the fluxapyroxad is (1-50): (50-1).
In the invention, the mass ratio of the kasugamycin to the fluxapyroxad is preferably (1-30) to (30-1).
In the invention, the mass ratio of the kasugamycin to the fluxapyroxad is preferably (1-20) to (20-1).
In the present invention, the mass ratio of kasugamycin to fluxapyroxad is preferably (1-10) to (10-1), more preferably 1: 1. the sources of the kasugamycin and the fluxapyroxad are not particularly limited in the invention, and the products which are conventional and commercially available in the field can be adopted. The preparation method of the composition is not particularly limited, and the kasugamycin and the fluxapyroxad are mixed by adopting a conventional mixing method.
In the present invention, the amount of the composition is preferably 10 g/acre. In the present invention, the composition is preferably mixed with water and then sprayed on the crops, and the method for spraying is not particularly limited, and a conventional spraying method can be adopted.
Example 1
Indoor toxicity determination of kasugamycin and fluxapyroxad compounded on rice blast
Wherein, pathogenic bacteria of rice blast are collected in the field, and are purified and cultured indoors, and the test method refers to the agricultural industry standard NY/T1156.2-2006 of the people's republic of China. The results of the indoor toxicity test of the composition containing kasugamycin and fluxapyroxad on rice blast are shown in Table 1
TABLE 1 indoor toxicity test table for kasugamycin and fluxapyroxad mixed on rice blast pathogenic bacteria
As can be seen from Table 1, the EC of kasugamycin and fluxapyroxad on rice blast50The concentration is 24.18mg/L and 16.33mg/L respectively, when the mass ratio of kasugamycin to fluxapyroxad hydroxylamine is 1:50-50:1, the co-toxicity coefficient is greater than 120, the synergy is shown, and when the mass ratio of kasugamycin to fluxapyroxad hydroxylamine is 1:1, the co-toxicity coefficient is the largest, and the synergy effect is the best.
Example 2
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 50:1 to carry out the field test of rice blast control, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of the rice respectively, the disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the result is shown in the table 2.
TABLE 2 comparison of the efficacy of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from Table 2, the results of the field efficacy tests show that, under the test conditions of example 2, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect compared with a single agent in control effect, and can reduce the usage amount of pesticides and reduce the cost.
Example 3
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 30:1, the compound is used for the field test of rice blast control, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading alignment stage of the rice respectively, the disease indexes are measured 7 days, 14 days and 21 days after the application, the pesticide effect is calculated, and the result is shown in the table 3.
TABLE 3 comparison of the efficacy of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from table 3, the field efficacy test results show that, under the test conditions of example 3, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticide and reduce the cost.
Example 4
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 20:1, field tests for preventing and controlling rice blast are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of rice respectively, disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the results are shown in the table 4.
TABLE 4 comparison of the effects of preventing and controlling rice blast
(data from 2020 field efficacy test)
As can be seen from table 4, the field efficacy test results show that, under the test conditions of example 4, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticide and reduce the cost.
Example 5
Compounding kasugamycin and fluxapyroxad according to the weight ratio of 10:1, performing field test on rice blast control, preparing different medicaments into corresponding concentrations according to the requirements of the following table, spraying for 1 time in the heading stage and the heading stage of rice respectively, measuring disease indexes 7 days, 14 days and 21 days after application, and calculating the drug effect, wherein the results are shown in table 5.
TABLE 5 comparison of the effects of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from table 5, the field efficacy test results show that, under the test conditions of example 5, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticide and reduce the cost.
Example 6
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:1, field tests for preventing and controlling rice blast are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of rice respectively, disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the drug effect result is calculated and shown in the table 6.
TABLE 6 comparison of the efficacy of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from Table 6, the results of the field efficacy tests show that, under the test conditions of example 6, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect compared with a single agent in control effect, and can reduce the usage amount of pesticide and reduce the cost.
Example 7
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:10, field tests for preventing and controlling rice blast are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of rice respectively, disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the results are shown in the table 7.
TABLE 7 comparison of the efficacy of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from Table 7, the results of the field efficacy tests show that, under the test conditions of example 7, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect compared with a single agent in control effect, and can reduce the usage amount of pesticides and reduce the cost.
Example 8
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:20, field tests for preventing and controlling rice blast are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of rice respectively, disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the results are shown in the table 8.
TABLE 8 comparison of the efficacy of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from Table 8, the results of the field efficacy tests show that, under the test conditions of example 8, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect compared with a single agent in control effect, and can reduce the usage amount of pesticides and reduce the cost.
Example 9
Compounding kasugamycin and fluxapyroxad according to the weight ratio of 1:30, performing field test on rice blast, preparing different medicaments into corresponding concentrations according to the requirements of the following table, spraying for 1 time in the heading stage and the heading stage of rice respectively, measuring disease indexes 7 days, 14 days and 21 days after application, and calculating the drug effect, wherein the results are shown in the table 9.
TABLE 9 comparison of the effects of preventing and controlling rice blast
(data from 2020 field efficacy test)
As can be seen from table 9, the results of the field efficacy tests show that, under the test conditions of example 9, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticide and reduce the cost.
Example 10
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:50, field tests for preventing and controlling rice blast are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are sprayed for 1 time in the heading stage and the heading stage of rice respectively, the disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the results are shown in the table 10.
TABLE 10 comparison of the effects of controlling rice blast
(data from 2020 field efficacy test)
As can be seen from table 10, the field efficacy test results show that, under the test conditions of example 10, the kasugamycin and fluxapyroxad composition has excellent control effect on rice blast, has synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticide and reduce the cost.
Example 11
Indoor toxicity determination of wheat scab by compounding kasugamycin and fluxapyroxad
Wherein, the wheat scab germ is collected in the field, purified and cultured indoors, the test method refers to the agricultural industry standard NY/T1156.2-2006 of the people's republic of China, and the test result of the indoor toxicity test of the composition containing kasugamycin and fluxapyroxad hydroxylamine on the wheat scab is shown in Table 11 in the example 11
TABLE 11 indoor toxicity test table for wheat scab original bacteria compounded by kasugamycin and fluxapyroxad
As can be seen from Table 11, the EC of kasugamycin and fluxapyroxad for wheat scab50The concentration of the flutriafol is 34.62mg/L and 15.17mg/L respectively, when the mass ratio of the kasugamycin to the fluxapyroxad is 1:50-50:1, the co-toxicity coefficient is larger than 120, the synergistic effect is shown, and when the mass ratio of the kasugamycin to the fluxapyroxad is 1:1, the co-toxicity coefficient is the largest, and the synergistic effect is the best.
Example 12
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 50:1 to carry out the field test of wheat scab control, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat and for the second time after 7 days, the application is carried out twice, the disease index is measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the result is shown in the table 12.
TABLE 12 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 12, the results of the field efficacy test show that, under the test conditions of example 12, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, and the control effect has a synergistic effect compared with a single agent, so that the usage amount of the pesticide can be reduced, and the cost can be reduced.
Example 13
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 30:1, the compound is used for a field test of wheat scab prevention, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the first medicament is applied in the ear-filling period of wheat, the second medicament is applied after 7 days, the two times of medicament application are carried out, the disease indexes are measured 7 days, 14 days and 21 days after the medicament application, and the medicament effect is calculated, wherein the results are shown in a table 13.
TABLE 13 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 13, the results of the field efficacy tests show that, under the test conditions of example 13, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, and the control effect has a synergistic effect compared with that of a single agent, so that the usage amount of the pesticide can be reduced, and the cost can be reduced.
Example 14
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 20:1, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, and the drug effect is calculated, wherein the results are shown in the table 14.
TABLE 14 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 14, the field efficacy test results show that, under the test conditions of example 14, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 15
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 10:1, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, and the drug effect is calculated, wherein the results are shown in the table 15.
TABLE 15 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 15, the field efficacy test results show that, under the test conditions of example 15, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 16
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:1, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the calculated drug effect result is shown in the table 16.
TABLE 16 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 16, the field efficacy test results show that, under the test conditions of example 16, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 17
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:10, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, and the drug effect is calculated, wherein the results are shown in the table 17.
TABLE 17 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 17, the field efficacy test results show that, under the test conditions of example 17, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 18
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:20, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, the drug effect is calculated, and the results are shown in the table 18.
TABLE 18 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 18, the results of the field efficacy tests show that, under the test conditions of example 18, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 19
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:30, field tests for wheat scab prevention are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, and the drug effect is calculated, wherein the results are shown in the table 19.
TABLE 19 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 19, the field efficacy test results show that, under the test conditions of example 19, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, has a synergistic effect in control effect compared with a single agent, and can reduce the usage amount of pesticides and reduce the cost.
Example 20
The kasugamycin and the fluxapyroxad are compounded according to the weight ratio of 1:50, field tests for preventing and controlling wheat scab are carried out, different medicaments are prepared into corresponding concentrations according to the requirements of the following table, the medicaments are applied for the first time in the ear-filling period of wheat, the medicaments are applied for the second time after 7 days, the application is carried out twice, the disease indexes are measured 7 days, 14 days and 21 days after the application, and the drug effect is calculated, wherein the results are shown in a table 20.
TABLE 20 comparison of the efficacy of controlling wheat scab
(data from 2020 field efficacy test)
As can be seen from table 20, the results of the field efficacy tests show that, under the test conditions of example 20, the kasugamycin and fluxapyroxad composition has an excellent control effect on wheat scab, and the control effect has a synergistic effect compared with that of a single agent, so that the usage amount of the pesticide can be reduced, and the cost can be reduced.
The invention can be obtained by the above embodiments, the kasugamycin and the fluxapyroxad are mixed to have obvious synergistic effect, the drug effect can be greatly improved, and the pesticide use amount and the pesticide use cost can be reduced. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The kasugamycin-containing bactericidal composition is characterized by comprising active ingredients of kasugamycin and fluxapyroxad, wherein the mass ratio of the kasugamycin to the fluxapyroxad is (1-50) to (50-1).
2. The kasugamycin-containing bactericidal composition according to claim 1, wherein the mass ratio of the kasugamycin to the fluxapyroxad is (1-20) to (20-1).
3. The kasugamycin-containing bactericidal composition according to claim 1, wherein the mass ratio of the kasugamycin to the fluxapyroxad is (1-10) to (10-1).
4. The kasugamycin-containing bactericidal composition according to claim 1, wherein the mass ratio of the kasugamycin to the fluxapyroxad is 1: 1.
5. The kasugamycin-containing fungicidal composition according to any one of claims 1 to 4, wherein the composition is used in an amount of 10.0 g/acre.
6. An application of a kasugamycin-containing bactericidal composition in preventing and treating rice blast and wheat scab.
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