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Application of compounded composition to prevention and treatment of diseases of paddy rice

A compound composition and rice disease technology, applied in the field of pesticide application, can solve the problems of poor control effect on sheath blight and rice smut, easy resistance of pathogenic bacteria, high use cost, etc., and achieve excellent control effect and synergistic effect Significant effects and reduced usage costs

Inactive Publication Date: 2017-07-14
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When thiamethoxam alone controls rice diseases, it has a good control effect on rice blast and bacterial stripe disease, but it has poor control effect on sheath blight and rice false smut. medicine and other issues
[0005] It can be seen that when fluoxastrobin and thiamethoxam are used alone to control rice diseases, there are defects such as easy resistance of pathogenic bacteria, narrow bactericidal spectrum and high cost of use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Indoor Toxicity Determination Test of Fluoxastrobin and Thiampidon Compound on Rice Sheath Blight

[0021] Test method: refer to "Pesticide Indoor Bioassay Test Guidelines NY / T1156.2-2006", using the plate method. Statistical analysis was performed with DPS statistical analysis software, and the EC of each drug was calculated. 50 , and calculate the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method, the co-toxicity coefficient (CTC) ≥ 120 means synergistic effect; the co-toxicity coefficient (CTC) ≤ 80 means antagonism; 80 < co-toxicity coefficient (CTC)<120 showed an additive effect.

[0022] Table 1 Indoor toxicity test of fluoxastrobin and thiamethoxam to rice sheath blight

[0023] Drug name and proportion (weight ratio) EC 50 (mg / L)

[0024] As can be seen from Table 1, when fluoxastrobin and thiamethoxam are compounded in the range of 30:1 to 1:1 (by weight), the co-toxicity coefficient (CTC) is greater than 120, in...

Embodiment 2

[0026] Indoor Toxicity Determination Test of Fluoxastrobin and Thiampidon Compound on Rice Magnaporthe grisea

[0027] Test method: refer to "Pesticide Indoor Bioassay Test Guidelines NY / T1156.1-2006", using the concave slide method. Statistical analysis was performed with DPS statistical analysis software, and the EC of each drug was calculated. 50 , and calculate the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method, the co-toxicity coefficient (CTC) ≥ 120 means synergistic effect; the co-toxicity coefficient (CTC) ≤ 80 means antagonism; 80 < co-toxicity coefficient (CTC)<120 showed an additive effect.

[0028] Table 2 Indoor toxicity test of fluoxastrobin and thiamethoxam to rice blast fungus

[0029] Drug name and proportion (weight ratio) EC 50 (mg / L)

[0030] As can be seen from Table 2, when fluoxastrobin and thiamethoxam are compounded in the range of 30:1 to 1:1 (by weight), the co-toxicity coefficient (CTC) is greater ...

Embodiment 3

[0032] Indoor Toxicity Determination Test of Fluoxastrobin and Thiampidon Compound on Rice Aspergillus oryzae

[0033] Test method: refer to "Pesticide Indoor Bioassay Test Guidelines NY / T1156.2-2006", using the plate method. Statistical analysis was performed with DPS statistical analysis software, and the EC of each drug was calculated. 50 , and calculate the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method, the co-toxicity coefficient (CTC) ≥ 120 means synergistic effect; the co-toxicity coefficient (CTC) ≤ 80 means antagonism; 80 < co-toxicity coefficient (CTC)<120 showed an additive effect.

[0034] Table 3 Indoor toxicity determination of fluoxastrobin and thiamethonin compound against rice aspergillus

[0035] Drug name and proportion (weight ratio) EC 50 (mg / L)

[0036] As can be seen from Table 3, when fluoxastrobin and thiamethoxamin are compounded in the range of 30:1 to 1:1 (by weight), the co-toxicity coefficient (...

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PUM

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Abstract

The invention discloses an application of a compounded composition to prevention and treatment of diseases of paddy rice. The active components of the compounded composition are fluoxastrobin and benziothiazolinone with weight ratio being 30:1-1:1. The compounded composition has significant synergistic effect on diseases, such as sheath blight, rice blast, false smut, bacterial streak disease and the like, of paddy rice, has excellent prevention effect in field application, is significantly better than each single pesticides, has safety to the paddy rice and is an excellent pesticide for prevention and treatment of diseases of paddy rice.

Description

technical field [0001] The invention relates to the application of a compound composition in preventing and treating rice diseases. The effective active ingredients of the compound composition are composed of fluoxastrobin and thiamethoxam, and belong to the technical field of pesticide application. Background technique [0002] Rice is one of the most important food crops in my country. Diseases such as sheath blight, rice blast, rice false smut and bacterial streak occur all year round on rice, causing great losses to the quality and yield of rice. The scientific use of fungicides is one of the important measures to ensure high yields and harvests of rice. However, the continuous use of a single fungicide variety in a large area will easily lead to resistance of pathogenic bacteria, which will lead to a decline in the control effect; at the same time, the use of a single fungicide variety is also There are defects such as narrow bactericidal spectrum and high cost of use. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01N43/80A01P1/00A01P3/00
CPCA01N43/88A01N43/80
Inventor 张志伟吴泽伟王礼文朱刚
Owner GUANGDONG ZHONGXUN AGRI TECH
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