Suspension seed coating agent containing fipronil and imidacloprid and its preparation method and use

A suspension seed coating agent, imidacloprid technology, applied in the direction of botany equipment and methods, applications, insecticides, etc., can solve the problems of difficulty, high cost of active ingredient development, long development cycle, etc., to achieve convenient use, improve germination The effect of high rate and suspension rate

Inactive Publication Date: 2016-10-26
TIANJIN HIGHPOINT PLANT PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One way to solve the resistance caused by agricultural control is to develop new ingredients that have no cross-resistance with existing varieties. However, the development cost of new active ingredients is high, the development cycle is long, and it will never be better than that of existing varieties. The speed at which pests develop resistance; other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to really have obvious effects in the actual operation process

Method used

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  • Suspension seed coating agent containing fipronil and imidacloprid and its preparation method and use
  • Suspension seed coating agent containing fipronil and imidacloprid and its preparation method and use
  • Suspension seed coating agent containing fipronil and imidacloprid and its preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Indoor combined toxicity determination of 30% fipronil and imidacloprid mixture to larvae of A. aeruginosa aeruginosa.

[0041] 1 Purpose of the test: This test determined the combined toxicity of fipronil and imidacloprid single doses and their different mixing ratios to the larvae of corn aeruginosa beetle larvae.

[0042] 2 Test conditions:

[0043] 2.1 Insect species tested: Beetle aeruginosa ( Anomala corpulenta) 2nd instar larvae.

[0044] 2.2 Test agents and their proportions

[0045] 97.7% fipronil technical

[0046] 97.6% imidacloprid technical

[0047] Fipronil·Imidacloprid-1# (Fipronil:Imidacloprid=14.0:16.0)

[0048] Fipronil imidacloprid-2# (fipronil:imidacloprid=12.0:18.0)

[0049] Fipronil imidacloprid-3# (fipronil:imidacloprid=10.0:20.0)

[0050] Fipronil imidacloprid-4# (fipronil:imidacloprid=8.0:22.0)

[0051] Fipronil imidacloprid-5# (fipronil:imidacloprid=6.0:24.0)

[0052] The preparation ratio is the mass ratio. Take an appropriate amount ...

Embodiment 2

[0064] 14% fipronil + 16% imidacloprid suspension seed coating

[0065] 14% fipronil + 16% imidacloprid suspension seed coating agent, its mass ratio is 7:8, non-ionic hydroxyl polyoxyethylene block copolymer 3%, alkyl naphthalene sulfonate formaldehyde condensate 3%, wood Sodium Sulfonate 1%, Permanent Red Powder 2%, Ethylene Glycol 5%, Xanthan Gum 0.15%, Preservative Sodium Benzoate 0.1%, Cathone 0.1%, Defoamer AF-9903 0.3%, Film Forming Agent Acrylate / acrylamide modified synthetic polymer 2%, deionized water to make up the balance. Mix the remaining ingredients except xanthan gum, ethylene glycol, film-forming agent and some defoamers evenly, and sand them in a water-grinding mill. When the particle size reaches 3~5μm, add xanthan gum Ethylene glycol solution, and the remaining film-forming agent and defoamer, fully sheared and mixed to obtain 14% fipronil + 16% imidacloprid suspension seed coating.

Embodiment 3

[0067] 10% fipronil + 20% imidacloprid suspension seed coating

[0068] 10% fipronil + 20% imidacloprid suspension seed coating agent, the mass ratio of fipronil to imidacloprid is 1:2, aryl polyether phosphate anionic dispersant A: 2.00%; anionic aryl polyoxyalkyl sulfate Type B: 2.00%; Low HLB value emulsifier C: 0.50%; Broad-spectrum sulfonate anionic wetting agent D: 1.00%; Ethylene glycol: 5.00%; Acrylate / acrylamide modified synthetic polymer: 2.00%; Carson: 0.13%; Sodium Benzoate: 0.10%; Modified Xanthan Gum: 0.15%; Permanent Red Powder: 2.00%, make up to 100.00% with water. Mix the remaining ingredients except xanthan gum, ethylene glycol, film-forming agent and some defoamers evenly, and sand them in a water-grinding mill. When the particle size reaches 3~5μm, add xanthan gum Ethylene glycol solution, and the remaining film-forming agent and defoamer, fully sheared and mixed to obtain 10% fipronil + 20% imidacloprid suspension seed coating.

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Abstract

The invention discloses a suspension seed coating compounded by fipronil and imidacloprid, a preparation method and an application thereof. The suspension seed coating agent mainly includes active ingredients, auxiliary agents and other auxiliary materials, wherein the active ingredients are composed of phenylpyrazole fungicide fipronil and nicotinic ultra-efficient insecticide imidacloprid. The suspended seed coating agent is used for seed dressing to prevent and control underground pests such as leaf beetles, dayworms and cutworms, as well as above-ground pests such as seedling aphids, and has good film-forming properties, uniform coating, high suspension rate, and low safety The suspension seed coating agent of the present invention has the advantages of low temperature, heat storage stability and freeze-thaw alternation test, no obvious layering in appearance, good dispersibility in water, and all indicators meet the relevant standards of seed coating agent . And the field efficacy test results show that it has good control effect on corn grub.

Description

technical field [0001] The invention relates to the technical field of pesticide preparations, in particular to a suspension seed coating agent containing fipronil and imidacloprid, a preparation method and application thereof. Background technique [0002] Fipronil (fipronil), chemical name: (RS)-5-amino-1-(2,6-dichloro-a,a,a-trifluoro-p-tolyl)-4-trifluoromethylidene Sulfonylpyrazole-3-carbonitrile, molecular formula: C 12 h 4 Cl 2 f 6 N 4 OS is a phenylpyrazole insecticide with a broad insecticidal spectrum. It mainly has stomach poisoning effect on pests, and also has contact killing and certain systemic effects. Its mechanism of action is to hinder the control of insect γ-aminobutyric acid Therefore, it has high insecticidal activity against important pests such as aphids, leafhoppers, planthoppers, Lepidoptera larvae, flies and Coleoptera, and has no phytotoxicity to crops. The agent can be applied to the soil or sprayed on the leaves. Applying to the soil can ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N47/02A01N25/04A01P7/04
CPCA01N51/00A01N25/04A01N47/02
Inventor 叶进刚孙青彬吴志杰
Owner TIANJIN HIGHPOINT PLANT PROTECTION
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