Sterilizing composition containing benzothiostrobin and epoxiconazole

A technology of benthiazoxan and epoxiconazole, which is applied in the field of pesticides, can solve the problems such as 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

Active Publication Date: 2014-06-04
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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  • Sterilizing composition containing benzothiostrobin and epoxiconazole
  • Sterilizing composition containing benzothiostrobin and epoxiconazole
  • Sterilizing composition containing benzothiostrobin and epoxiconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 122

[0030] Embodiment 122% pentothiastrobin · epoxiconazole suspension concentrate

[0031] The raw material formula is shown in Table 1, wherein 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 each raw material into the sand mill cylinder according to the formula, and after stirring evenly, pre-disperse it with a high shear machine, then transfer it to a sand mill for sand milling, add sanding medium zirconia beads, and start sanding Grinding, so that the average particle size of the material is below 3 μm, stop sanding after 5 hours, filter, remove the zirconia beads, and obtain.

[0033] The technical indicators of the obtained suspension concentrate are as follows: Suspension rate ≥ 90.0%; pH value 6.0-8.0; sieve analysis (passing through a 75 μm sieve) ≥ 98%; persistent foaming (after 1 min) ≤ 25ml; pouring property: residue after pouring ≤4.0%, r...

Embodiment 230

[0034] Embodiment 230% pentothiastrobin · epoxiconazole suspension concentrate

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

[0036] The preparation method of the suspension is the same as in Example 1, and the technical indicators of the obtained suspension are as follows: suspension rate ≥ 91.5%; pH value 6.0-8.0; sieve analysis (through a 75 μm sieve) ≥ 98%; persistent foaming (after 1min) ≤ 25ml; Pourability: residue after pouring ≤3.0%, residue after washing ≤0.5%; suspension rate ≥87% after hot storage at 54±2°C for 30 days; suspension rate ≥87% after cold storage at 0±2°C for 30 days.

Embodiment 340

[0037] Embodiment 340% pentothiastrobin · epoxiconazole suspension concentrate

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

[0039] The preparation method of the suspension is the same as in Example 1, and the technical indicators of the obtained suspension are as follows: suspension rate ≥ 93.5%; pH value 6.0-8.0; sieve analysis (through a 75 μm sieve) ≥ 98%; persistent foaming (after 1min) ≤ 25ml; Pourability: residue after pouring ≤3.0%, residue after washing ≤0.5%; suspension rate ≥90% after hot storage at 54±2°C for 30 days; suspension rate ≥90% after cold storage at 0±2°C for 30 days.

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Abstract

The invention relates to a sterilizing composition containing benzothiostrobin and epoxiconazole. The sterilizing composition comprises an active component and an auxiliary component of a pesticide preparation, and particularly the active component consists of benzothiostrobin and epoxiconazole in a weight ratio of 1: (0.1-16). According to the sterilizing composition provided by the invention, benzothiostrobin and epoxiconazole are compounded in a special ratio, so that a very remarkable synergistic effect is achieved. A plenty of experiments verify that the toxicity of the compounded sterilizing composition is not increased for mammals. In addition, the applicant further discovers that the compounding effect of benzothiostrobin and epoxiconazole can be further promoted by adopting a special wetting dispersing agent, so that benzothiostrobin and epoxiconazole exert the synergistic effect to the maximum extent.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a fungicidal composition containing benzathystrobin and epoxiconazole. Background technique [0002] Methoxyacrylate series fungicides are a kind of high-efficiency, broad-spectrum and environment-friendly fungicides developed by Syngenta in the 1980s. Penthiostrobin has received great attention and attention due to its wide range of bactericidal and herbicidal activities. [0003] Benzotystrobin has broad-spectrum fungicidal activity, not only has good control effect on cucumber downy mildew and powdery mildew, but also has good control effect on scab, anthracnose, gray mold, corn small spot, rice smut, banana wilt , Banana brown margin gray spot have excellent inhibitory activity. However, the long-term use of solvent alone makes the disease resistant to pesticides. Combination of active ingredients with different action mechanisms is a general practice to delay the emergence of di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/78A01P3/00A01N43/653
Inventor 高明褚小静宋春翠顾怡何永利
Owner JIANGSU SEVENCONTINENT GREEN CHEM CO LTD
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