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Sterilization composition containing benzothiostrobin and epoxiconazole

A technology of benthiazoxan and epoxiconazole, which is applied in the field of pesticides, can solve the problems of undiscovered compounding of benthiazoxan and epoxiconazole, adverse chemical reactions, and toxicity of the composition, and achieves a significant synergistic effect, Improved efficacy, storage and transport convenience

Inactive Publication Date: 2013-06-19
JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no relevant research or report on the compounding of pentothiastrobin and epoxiconazole has been found
[0006] In addition, the existing pesticide compounding patents mainly only consider the synergistic effect brought about by the compounding. However, although the synergistic effect is the more obvious the better, it is not the only factor to be considered when using pesticides. In particular, it needs to be considered Yes, the toxicity and environmental pollution of the compounded composition
For example, although some active ingredients are not a big problem when they are used separately, after they are used in combination, the intermediate products produced during their degradation process may undergo adverse chemical reactions and cause environmental pollution problems

Method used

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  • Sterilization composition containing benzothiostrobin and epoxiconazole
  • Sterilization composition containing benzothiostrobin and epoxiconazole
  • Sterilization composition containing benzothiostrobin and epoxiconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1 22% Benthiastrobin·Econazole suspension

[0031] The raw material formula is shown in Table 1, where the thickener is gum arabic, the antifreeze is propylene glycol, and the preservative is formaldehyde.

[0032] The preparation method of the suspending agent is as follows: add the raw materials to the sand mill barrel according to the formula, stir evenly, then pre-disperse with a high shear machine, then transfer to the sand mill for sanding, add the sanding medium zirconia beads, and start sanding Grind so that the average particle size of the material is below 3μm, stop sanding after 5 hours, filter, and remove the zirconia beads.

[0033] The technical indicators of the obtained suspension are as follows: Suspension rate≥90.0%; pH value 6.0~8.0; sieve analysis (passing 75μm sieve)≥98%; persistent foaming (after 1min)≤25ml; pourability: residue after dumping ≤4.0%, residue after washing ≤0.5%; 54±2℃ heat storage for 30 days, suspension rate ≥86.2%; 0±2℃ cold sto...

Embodiment 2

[0034] Example 2 30% Benthiastrobin·Econazole suspension

[0035] The raw material formula is shown in Table 1, where the thickener is xanthan gum, the antifreeze is ethylene glycol, and the preservative is sodium sorbate.

[0036] The preparation method of the suspending agent is the same as in Example 1. The technical indicators of the obtained suspending agent are as follows: suspension rate ≥91.5%; pH value 6.0~8.0; sieve analysis (passing 75μm sieve) ≥98%; persistent foaming (after 1 min) ≤ 25ml; Pourability: residue after dumping ≤3.0%, residue after washing ≤0.5%; 54±2℃ heat storage for 30 days after suspension rate ≥87%; 0±2℃ cold storage for 30 days after suspension rate ≥87%.

Embodiment 3

[0037] Example 3 40% Benthiastrobin·Econazole suspension

[0038] The raw material formula is shown in Table 1, where the thickener is xanthan gum and methyl cellulose (weight ratio 0.2:2), the antifreeze is isopropanol, and the preservative is sodium sorbate.

[0039] The preparation method of the suspending agent is the same as in Example 1. The technical indicators of the obtained suspending agent are as follows: suspension rate ≥93.5%; pH value 6.0~8.0; sieve analysis (passing 75μm sieve) ≥98%; long-lasting foaming (after 1 min) ≤ 25ml; Pourability: the residue after dumping is less than or equal to 3.0%, the residue after washing is less than or equal to 0.5%; the suspension rate after 30 days of heat storage at 54±2℃ is ≥90%; the suspension rate after 30 days of cold storage at 0±2℃ is ≥90%.

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Abstract

The invention relates to a sterilization composition containing benzothiostrobin and epoxiconazole. The sterilization composition containing benzothiostrobin and epoxiconazole comprises active ingredients and auxiliary components of pesticide preparations, wherein the active ingredients are composed of benzothiostrobin and epoxiconazole in weigh ratio of 1: (0.1-16). The sterilization composition containing benzothiostrobin and epoxiconazole has a very remarkable synergistic effect by compounding benzothiostrobin and epoxiconazole according to a special proportion; and lots of experiments prove that after benzothiostrobin and epoxiconazole are compounded, the toxicity to mammals is not increased. In addition, the applicant further finds that the compounding effect of benzothiostrobin and epoxiconazole can be further promoted by adopting a specific dispersion wetting agent with the help of the sterilization composition, so that benzothiostrobin and epoxiconazole give play to the synergistic effect to the maximum extent.

Description

Technical field [0001] The present invention belongs to the field of pesticides, and in particular relates to a bactericidal composition containing benzothiostrobin and epoxiconazole. Background technique [0002] Methoxyacrylate series fungicides are a kind of high-efficiency, broad-spectrum and environmentally friendly fungicides developed by Syngenta in the 1980s. Benthiastrobin has attracted great attention and attention due to its wide range of bactericidal and herbicidal activities. [0003] Benthiastrobin has broad-spectrum bactericidal activity, which not only has a good control effect against cucumber downy mildew and powdery mildew, but also against scab, anthracnose, gray mold, corn spot, rice smut, and banana fusarium wilt. , Banana brown margin gray spot disease has excellent inhibitory activity. But long-term use of solvent alone makes the disease resistant. The compounding of active ingredients with different mechanisms of action is a general practice for delaying...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01N43/653A01P3/00
Inventor 鞠晓东蔡军义何永利李群
Owner JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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