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Bactericidal composition containing pydiflumetofen and tetramycin

A technology containing flufenapyroxyl and flufenapyl hydroxylamide, which is applied in the field of pesticides to achieve the effects of increasing action sites, reducing pesticide residues and environmental pollution, and reducing production and use costs

Active Publication Date: 2021-05-11
HAILIR PESTICIDES & CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In order to overcome the defective of existing single preparation, technical scheme of the present invention solves like this:

Method used

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  • Bactericidal composition containing pydiflumetofen and tetramycin
  • Bactericidal composition containing pydiflumetofen and tetramycin
  • Bactericidal composition containing pydiflumetofen and tetramycin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Determination of the joint action of flufenapyramide and tetramycin on wheat head blight

[0032] Test target: Wheat head blight (Fusarium graminearum), which belongs to the subphylum Deuteromycota. The tested strain was obtained from the wheat field in Tai'an, Shandong, and was isolated by conventional tissue separation method using PDA medium. After purification, identification and according to Koch's After the pathogenicity test is carried out, save it for future use.

[0033] Drugs to be tested: 98% flufenapyl hydroxylamine technical drug, 15% tetramycin parent drug.

[0034] Pharmacy treatment: 5 series of mass concentrations of flufenapyramide single dose: 0.25ppm, 0.50ppm, 1.00ppm, 2.00ppm, 4.00ppm, 5 series of tetramycin: 0.025ppm, 0.05ppm, 0.10ppm, 0.20ppm, 0.40ppm Concentration. On the basis of single-dose toxicity determination, according to the ratio of flufenapyramide: tetramycin 1:50, 1:20, 1:10, 1:5, 1:3, 1:1, 3:1, 5 :1, 10:1, 20:1, 50:1 dif...

Embodiment 2

[0058] Example 2: Determination of field control effect of flufenapyramide and tetramycin mixed preparation on control of wheat head blight

[0059] Test objects, crops and varieties: wheat head blight (Fusarium graminearum), wheat variety Jimai 22.

[0060] Test conditions: the front crop of the test field is corn, the sowing rate of wheat per mu is 15kg, the terrain of the test field is good, the drainage and irrigation are good, and the cultivation and management conditions are uniform.

[0061] Test agents: 10% flufenapyroxylamide·tetramycin suspension concentrate (1:1) (medicine 1), 12% flufenapyramide·tetramycin suspension concentrate (3:1) (medicine 2).

[0062] Test drug formulation:

[0063] Pharmacy 1: 10% flufenapyramide·tetramycin suspension concentrate (1:1): flufenapyramide 5%, tetramycin 5%, block polyether 1%, modified polyether 3%, Polycarboxylate 1%, Glycerin 5%, Magnesium Aluminum Silicate 0.6%, Cathone 0.07%, Xanthan Gum 0.14%, Silicone 0.5%, Water to mak...

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PUM

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Abstract

The invention discloses a bactericidal composition containing pydiflumetofen and tetramycin and application of the bactericidal composition. The bactericidal composition comprises active ingredients including pydiflumetofen and tetramycin, and the weight ratio of pydiflumetofen to tetramycin is 1: 50 to 50: 1. The sum of the weight of the pydiflumetofen and the tetramycin accounts for 1%-90% of the bactericidal composition, preferably 1%-50%. The bactericidal composition can be prepared into agriculturally allowable dosage forms, the components are reasonable, the bactericidal effect is good, the activity and the bactericidal effect of the bactericidal composition are not simple superposition of all the components, and compared with a single agent, the bactericidal composition has a remarkable bactericidal effect and is safe to crops.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing flufenapyramide and tetramycin and its application for preventing and treating crop diseases, belonging to the technical field of pesticides. Background technique [0002] Wheat head blight (Fusarium graminearum) can occur throughout the growth period of wheat, mainly damaging ears and stems. Seed infestation at the seedling stage causes seedling rot; stem rot, stalk rot and ear rot occur at the adult plant stage, with ear rot causing the most serious damage. Seeds carrying fungi cause seedlings to wither, causing the root sheaths and buds to rot in a yellow-brown water-soaked shape, and the leaves above the ground turn yellow. In severe cases, the seedlings die before they emerge from the soil. Stem base rot mainly occurs at the base of the stem, making it brown and rotten, and when severe, the whole plant dies; when stalk rot first occurs, lig...

Claims

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Application Information

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IPC IPC(8): A01N43/56A01N43/90A01P3/00
CPCA01N43/56A01N43/90
Inventor 葛家成杨志鹏巨翠红吕文东
Owner HAILIR PESTICIDES & CHEM GRP
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