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Bactericidal composition containing rabcide and iprobenfos

A technology of isomidaojing and tetrachlorophthalide, which is applied in the field of pesticides, can solve the problems of increased drug application, environmental pollution, and short research and development cycle, and achieve the effects of reducing drug resistance of bacteria, reducing environmental pollution, and reducing application dosage

Inactive Publication Date: 2018-11-02
PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The long-term use of a single bactericidal agent alone cannot completely and effectively control the occurrence of bacteria, and it is easy to cause the emergence of drug resistance of bacteria, resulting in an increase in drug application and environmental pollution. The compounding of bactericidal agents can not only solve the toxicity of single agent pesticide The problems of large and poor effects, low investment, short research and development cycle, and the interactive use of different pesticides can delay the emergence of drug resistance of the agent, and has a relatively ideal use effect. Therefore, the compounding of pesticides with different mechanisms of action is a must Current Research Hotspots in the Field of Pesticides
In the prior art, there is no relevant report on the compounding of tetrachlorophthalide and isomyridine

Method used

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  • Bactericidal composition containing rabcide and iprobenfos
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  • Bactericidal composition containing rabcide and iprobenfos

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Indoor toxicity test of tetrachlorophthalide and isomyzae to Magnaporthe grisea.

[0026] Test method: potted plant method. The test refers to "Pesticide Indoor Bioassay Test Guidelines NY / T1156.8-2007". 8-10 seeds of rice were sown in each pot, and each concentration was repeated five times, and each treatment had a total of 5 pots of rice. At the three-leaf stage of rice, the chemical treatment was carried out, and the clean water treatment was used as a blank control. After 3 days of chemical treatment, wash the surface spores of the cultivated pathogenic bacteria with sterile water, add Tween 80 to make 1×106 spore concentration, and spray evenly on the rice leaves with a sprayer for inoculation. After inoculation, the rice seedlings were placed in a humidifying box, connected to a humidifier, shaded with a black cloth for 24 hours, and kept at 95% humidity. After 7 days of 12h / 12h light / dark cultivation, the test results were investigated. The grading...

Embodiment 2 4

[0041] Example 2 The field control effect of tetrachlorophthalide and different rice blast net compound on rice blast

[0042] Test method: refer to the method in GB / T 17980.19-2000 Pesticide Field Efficacy Test Guidelines (1) Fungicides Control Rice Leaf Diseases.

[0043] Test drug:

[0044] Medicament 1: 28% Tetrachlorophthalide · Isomazine Suspending Concentrate (tetrachlorophthalide: Isomazine = 1:6);

[0045] Medicament 2: 30% Tetrachlorophthalide·Isomazin EC (Tetrachlorophthalide: Isomazin=2:3);

[0046] Medicament 3: 49% Tetrachlorophthalide·Isomabizine wettable powder (tetrachlorophthalide: Isomablastine=6:1);

[0047] Medicament 3: 50% Tetrachlorophthalide·Isomidae Purifying Water Dispersible Granules (Tetrachlorophthalide: Isomydaojing=1:1);

[0048] Table 2 The field control effect of tetrachlorophthalide and isomycin compound on rice blast

[0049]

[0050]

[0051] It can be seen from the above table that, compared with a single dose, the compound appli...

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Abstract

The invention discloses a bactericidal composition containing rabcide and iprobenfos at a weight ratio of 1:50-50:1. The bactericidal composition possesses obvious synergistic effect, and can be usedin prevention and treatment of rice blast.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a bactericidal composition containing tetrachlorophthalide and isomydazole and application thereof. Background technique [0002] Rice blast is a fungal disease of rice caused by the rice blast fungus. It is a worldwide rice crop disease. The annual loss of rice production due to rice blast is 11%-30%. The rice blast fungus mainly uses conidia and fungi Silk overwinters on diseased rice or grain. Rice blast occurs in all stages and parts of rice, and is most susceptible to rice blast from the four-leaf stage to the tillering stage and heading stage, and leaf blast and ear blast are the most common and the most harmful. [0003] Tetrachlorophthalide is a protective fungicide. It is mainly used to control rice blast and rice bacterial blight. It can effectively inhibit the formation of appressoria on the surface of rice plants and prevent the invasion of hyphae, which has a...

Claims

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Application Information

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IPC IPC(8): A01N43/12A01N57/14A01P3/00
CPCA01N43/12A01N57/14
Inventor 沈燕张勇周凤艳刘小林
Owner PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI
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