Bactericidal composition

A composition and crop technology, applied in the field of pesticides, can solve the problem of unsatisfactory control of stem rot, and achieve the effects of reducing the amount of pesticides used in the field, reducing environmental pollution and pesticide residues, and delaying the speed

Inactive Publication Date: 2018-05-29
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fenconazole is highly effective against smut, but

Method used

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  • Bactericidal composition
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Examples

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Effect test

example 1

[0016] Biological Assay Example 1: Indoor Toxicity Determination Test of Fenconazole and Fludioxonil Compound on Head Smut of Corn.

[0017] Test object: corn head smut ( Sporisorium holci-sorghi ) (collected from outdoors and isolated and cultivated indoors)

[0018] 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.

[0019] The microtiter plate was placed on a shake...

Embodiment 1

[0030] Example 1: 21% Fenconazole · Fludioxonil Suspension Concentrate

[0031] Fenconazole 20%, fludioxonil 1%, sodium methylnaphthalenesulfonate formaldehyde condensate 10%, xanthan gum 1%, bentonite 1%, glycerol 1%, water to make up to 100%.

[0032] Mix the active ingredient, dispersant, wetting agent, thickener, antifreeze and water according to the proportion of the formula, and grind and / or high-speed shear to obtain 21% Fenconazole · Fludioxonil suspension agent.

[0033] This embodiment is applied to the prevention and treatment of wheat loose smut. 21% Fenconazole · Fludioxonil Suspension Concentrate was used as active ingredient at 25 g / 100 kg seed dressing, and the control effect of wheat loose smut was investigated after the onset of wheat smut was stable, and the control effect was 83.7%. Contrast medicament 25% fendazole suspension concentrate seed dressing according to active ingredient dosage 25 g / 100 kg, 25 g / liter fludioxonil suspension seed coating agent ...

Embodiment 2

[0034] Example 2: 51% Fenconazole · Fludioxonil Suspension Concentrate

[0035] Fenconazole 50%, fludioxonil 1%, nonylphenol polyoxyethylene ether phosphate 8%, carboxymethyl cellulose 1%, white carbon black 1%, glycerol 4%, water to make up to 100%.

[0036] Mix the active ingredient, dispersant, wetting agent, thickener, antifreeze and water according to the proportion of the formula, and grind and / or high-speed shear to obtain 51% Fenconazole · Fludioxonil suspension agent.

[0037] This embodiment is applied to the control of wheat smut. 51% Fenazole · Fludioxonil suspension was used as active ingredient at 25 g / 100 kg seed dressing, and the control effect was investigated after the occurrence of wheat tickle smut was stable, and the control effect was 80.4%. Contrast medicament 25% fendazole suspension concentrate seed dressing according to active ingredient dosage 25 g / 100 kg, 25 g / liter fludioxonil suspension seed coating agent according to active ingredient dosage 5 ...

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Abstract

The invention discloses a bactericidal composition, which is prepared from triticonazole and fludioxonil as effective components, and the mass ratio of triticonazole to fludioxonil is (50:1)-(1:50). The composition disclosed by the invention has obvious synergistic effects, is effective to diseases caused by fusarium, ustilago, tilletia, pyrenophora teres, septoria, rhizoctonia solani and the like, is mainly used for preventing and treating diseases of cereal crops, leguminous crops and fruit trees, has special effects on seed-borne diseases, has a lasting period of 4-6 weeks, and can be usedfor preventing and treating diseases of cereal crops and especially preventing and treating ustilago tritici, stinking smut, wheat stem rot, maize head smut, maize stem rot, maize gall smut and rice bakanae disease in seed treatment.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing fenconazole and its application for preventing and controlling 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 been increasing year by year in terms of incidence and area in recent years, which have brought great harm to wheat and corn production. Conventional methods are difficult to Effective control and selection of high-efficiency fungicides for seed treatment is an effective way to control these seed-borne diseases. [0003] Fenconazole, common name in English: triticonazole, is a triazole fungicide developed by Bayer, which has good systemic activity and excellent protection, treatment and eradication activities. It is mainly used as a seed treatment agent, and can also be sprayed on ...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/36A01P3/00
CPCA01N43/653A01N43/36
Inventor 张洪李广泽刘永赵军肖培彬梁旭东
Owner SHENZHEN NOPOSION AGROCHEM
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