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Bactericidal composition

A composition, the technology of flufenapyramide, applied in the field of pesticides, can solve the problems of high production and use costs, achieve the effects of reducing production and use costs, expanding the control spectrum, and improving the control effect

Inactive Publication Date: 2018-06-29
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fluxapylon has good control effects on the above diseases, but the current production and use costs of flufenapyl are relatively high, and there is a great risk of resistance when used alone for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Biological Assay Example 1: Indoor Toxicity Determination Test of Composition to Wheat Scab

[0029] The test object was Gibberella zeae.

[0030] The mycelial growth rate method was used in the test. Take 5ml of the prepared experimental drug solution and add it to an Erlenmeyer flask equipped with 45ml of hot medium (PDA medium, 45-50°C). After shaking well, quickly pour it into a 90mm diameter glass petri dish. Add 12ml of drug-carrying medium, 4 replicates for each treatment, place it horizontally, and form a plate after cooling. Use a 5mm diameter punch to cut the fungus cake from the edge of the test bacteria that has been cultured for 5 days, and use a pick needle to connect the side with mycelium to the poisonous medium. All operations are performed aseptically on the ultra-clean workbench. After the treatment, the plates were cultured in a constant temperature sterile incubator at 25°C. After 5 days, the colony diameters of each treatment were measured by the...

Embodiment 2

[0041] Biological Assay Example 2: Indoor Toxicity Determination Test of Composition to Rice Sheath Blight Bacteria

[0042] The test object is rice sheath blight (Rhizoctonia solani).

[0043] The test method and evaluation method are the same as the indoor virulence determination method of wheat head blight.

[0044] It can be seen from Table 2 that the mixture of flufenapyramide and shenzamycin at a mass ratio of 1:50~50:1 has a synergistic effect on rice sheath blight bacteria, especially when the ratio is 1:30 When the ratio is between ~30︰1, the synergy is more significant, and the co-toxicity coefficients are all above 170.

[0045] Table 2 Indoor toxicity test results of flufenapyl hydroxylamide and shenzimycin mixed with rice sheath blight

[0046]

[0047]

Embodiment 3

[0048] Biological Assay Example 3: Indoor Toxicity Determination Test of Compositions on Melon Fusarium Wilt

[0049] The test object is Fusarium oxysporum.

[0050] The test method and evaluation method are the same as the biological assay example 1.

[0051] It can be seen from Table 3 that the mixture of flufenapyramide and shenzimycin at a mass ratio of 1:50-50:1 has a synergistic effect on Fusarium wilt of melons, especially when the ratio is 1:30- When the ratio is between 30︰1, the synergy is more significant, and the co-toxicity coefficients are all above 170.

[0052] Table 3 Indoor toxicity test results of flufenapyl hydroxylamide and shenzimycin mixture against Fusarium wilt of melon

[0053]

[0054] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is illustrated with the following specific preparation examples, but the present invention is by no means limited to these examples. The follo...

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Abstract

The invention discloses a bactericidal composition. The bactericidal composition is prepared from the following effective components: pydiflumetofen and phenazine-1-carboxylic acid with a mass ratio of 1:50-50:1. The bactericidal composition disclosed by the invention has the advantages of obvious synergism and high control effect, is suitable for preventing and treating multiple diseases on cropsand is especially suitable for preventing and treating head blight, banded sclerotial blight and wilt.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing flufenapyramide and its application for preventing and treating crop diseases, and belongs to the technical field of pesticides. Background technique [0002] Wheat head blight, also known as wheat ear dry, rotten wheat head, red wheat head, is one of the main diseases of wheat. Wheat head blight occurs widely in the world, mainly in humid and semi-humid regions, especially in temperate regions with humid and rainy climates. It can be damaged from seedlings to heading, mainly causing seedling rot, stem base rot, stalk rot and ear rot, among which the most serious damage is ear rot. [0003] Rice sheath blight, also known as moire, is commonly known as flower foot stalk, rotten foot blast, eyebrow spot. Infected by Rhizoctonia solani, it often occurs under high temperature and high humidity conditions. Sheath blight is one of the major diseases...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01N43/60A01P3/00
CPCA01N43/56A01N43/60
Inventor 张承来王芳梁旭东赵琳王高杨
Owner SHENZHEN NOPOSION AGROCHEM
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