Sterilizing composition

The technology of a composition and captan, applied in the field of pesticides, can solve problems such as poor effect, unfavorable drug resistance treatment, etc., and achieve the effects of reducing environmental pollution and pesticide residues, reducing the amount of field medication, overcoming and speeding.

Inactive Publication Date: 2018-02-16
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the effect of flufenapyramide alone on seedling root rot caused by lower fungi is not good, and it is not conducive to the control of drug resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Biological Assay Example 1: Indoor Toxicity Determination Test of the Combination of Fluoxazone and Captan on Head Smut of Maize.

[0018] Test object: corn head smut ( Sporisorium holci-sorghi ) (collected from outdoors and isolated and cultivated indoors)

[0019] Test method: The test refers to the "Pesticide Indoor Bioassay Test Guidelines NY / T 1156.17-2009 and NY / T 1156.6-2006", using the turbidity-enzyme-linked plate method. Under sterile operating conditions, use a pipette gun to sequentially draw 75 μL of bacteria-carrying culture solution and add them to each well of the sterilized enzyme-linked plate. Then use a pipette gun to sequentially draw 75 μL of different concentrations of the drug solution from low concentration to high concentration, so that the drug solution is mixed with the bacteria-carrying culture solution in equal amounts. A blank control was also set up, and each treatment was repeated 4 times.

[0020] The microtiter plate was placed on a ...

Embodiment 1

[0032] Example 1: 21% fenfluxam·captan suspension

[0033] Fluxazone 20%, captan 1%, sodium methylnaphthalene sulfonate formaldehyde condensate 10%, xanthan gum 1%, bentonite 1%, glycerin 1%, water to 100%.

[0034] The active ingredient, dispersant, wetting agent, water and other components are uniformly mixed according to the ratio of the formula, and after grinding and / or high-speed shearing, a 21% fenfluxam-captan suspension is obtained.

[0035] This embodiment is applied to the prevention and treatment of wheat loose smut. 21% fenfluxam·captan suspension was used for seed dressing according to the dosage of 5 g / 100 kg of active ingredients, and the control effect of wheat smut was investigated after the onset of wheat smut was stable, and the control effect was 82.7%. Contrast medicament 44% flufenapyramide suspension seed coating according to active ingredient dosage 5 g / 100 kg seed dressing, 45% captan suspending agent according to active ingredient dosage 15 g / 100 kg...

Embodiment 2

[0036] Example 2: 51% fenfluxam·captan suspension

[0037] Fluxazone 50%, captan 1%, nonylphenol polyoxyethylene ether phosphate 8%, carboxymethyl cellulose 1%, white carbon black 1%, glycerin 4%, water to 100% %.

[0038] The active ingredient, dispersant, wetting agent, water and other components are uniformly mixed according to the ratio of the formula, and after grinding and / or high-speed shearing, a 51% fenfluxam-captan suspension is obtained.

[0039] This embodiment is applied to the control of wheat smut. The 51% flufenoxazone·captan suspension was used to dress the seeds according to the dosage of 5 g / 100 kg of active ingredients. After the onset of wheat smut was stable, the control effect was investigated, and the control effect was 78.4%. Seed dressing of the control agent 44% flufenapyridine suspending agent according to the active ingredient dosage of 5 g / 100 kg seed, and 45% captan suspending agent according to the active ingredient dosage of 15 g / 100 kg seed ...

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PUM

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Abstract

The invention discloses a sterilizing composition. The effective components are Sedaxane and captan, the mass ratio of the both is 50:1-1:50. The composition has obvious synergism and is effective totreat diseases caused by rhizoctonia solani, puccinia horiana, pyrenophora graminea, ustilago esculenta, Tilletia, Erysiphe, pyrenophora teres, Septoria musiva, and Ramularia; the composition has special effect to seed-borne disease. The composition can be applied to treat seeds and spray stems and leaves, the effect duration lasts for 4-6 weeks; the composition can be applied to the disease prevention and treatment of cereal type crops; particularly, it is applied to the seed treatment for preventing wheat ustilago esculenta, wheat tilletia, wheat basal rot, sphacelotheca reiliana, corn stalkrot, corn gall smut and rice bakanae disease.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing fenfluxam and its application for preventing and treating crop diseases, and belongs to the technical field of pesticides. Background technique [0002] Seed-borne and soil-borne diseases of wheat and corn, represented by wheat loose smut and corn head smut, have shown an increasing trend in incidence and area in recent years, bringing serious harm to wheat and corn production. High-efficiency bactericidal Seed treatment with pesticides is an effective way to control these seed-borne diseases. [0003] Fluxazone, English common name: sedaxane, is a succinate dehydrogenase inhibitor fungicide developed by Syngenta. It is mainly used as a seed treatment agent, and can also be sprayed on stems and leaves. It has special effects on seed-borne diseases , The duration of effect is as long as 4~6 weeks. The control objects include Rhizoctonia solani, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/04A01N43/56A01P3/00
CPCA01N47/04A01N43/56
Inventor 张洪杨立平赵军梁旭东李鹏飞
Owner SHENZHEN NOPOSION AGROCHEM
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