Insecticidal composition containing broflanilide and metaflumizone and application of insecticidal composition

A technology of flubendiamide and insecticidal composition, which is applied in the field of insecticidal compositions containing flubendiamide and metaflumizone, can solve the problems of small contact killing effect, reduce dosage, alleviate Effects of pollution, delaying drug resistance

Active Publication Date: 2022-01-21
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The drug mainly enters the body through the feeding of pests to cause gastric poisoning to kill pests, and the contact effect is small and has no systemic effect.

Method used

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  • Insecticidal composition containing broflanilide and metaflumizone and application of insecticidal composition
  • Insecticidal composition containing broflanilide and metaflumizone and application of insecticidal composition
  • Insecticidal composition containing broflanilide and metaflumizone and application of insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In the examples of the present invention, the bromflubendiamide and metaflumizone used are conventional commercially available original drugs, and the manufacturer of bromfluben is Mitsui Chemicals AGRO Co., Ltd. of Japan, and the registration certificate number is PD20200656; The manufacturer of pyrethrazone is BASF Europe, registration number: PD20101190. The proportions or percentages in the embodiments of the present invention are all mass ratios. Example 1 The combined toxicity of different ratios of bromflubendiamide and metaflumizone to Spodoptera frugiperda

[0026] This example provides the indoor toxicity determination of flubendiamide and metaflumizone against Spodoptera frugiperda larvae. The challenge test of the present embodiment adopts the method of soaking leaves, and taking Spodoptera frugiperda as the test object, the specific methods are as follows:

[0027] Bioassays were performed with reference to the agricultural industry standard "NY / T 1154.14...

Embodiment 2

[0040] Example 2 Field Control Effect Measurement of Compound Pesticide Preparations on Spodoptera frugiperda

[0041] In this example, the test agents used were (1) 5% flubendiamide SC, (2) 22% metaflumizone SC, (3) 30% flubendiamide / meflumizone SC (1︰1).

[0042] The formula of 30% suspending agent of flubendiamide and metaflumizone is, based on the total weight of suspending agent, including: flubendiamide 15%, metaflumizone 15%, twelve Sodium alkyl sulfate 2.5%, carboxylate polymer 4%, ethylene glycol 5%, silicone 0.3%, xanthan gum 0.3%, pure water to make up to 100%.

[0043]The method for preparing 30% suspending agent of flubendiamide and metaflumizone is as follows: according to the formula, add dispersant, wetting agent, defoamer, thickener and antifreeze into the reaction kettle for high-speed grinding, and mix homogeneous, then add bromflubendiamide and metaflumizone original drug, and grind in a ball mill for 2-4 hours, so that the particle size of all the partic...

Embodiment 3

[0053] Example 3 Field Control Effect Measurement of Compound Pesticide Preparations on Broccoli Plutella xylostella

[0054] The present embodiment adopts the compound pesticide preparation identical with embodiment 2. In the present embodiment, the method for measuring the control effect is as follows: the row spacing of broccoli cultivated plants is 40cm×60cm, and the broccoli Plutella xylostella is in the young larvae (1-2 instars) and sprayed at the peak stage of initiation.

[0055] The experiment was arranged in a random block group, and guard rows were set up around it. Each treatment was repeated 4 times, and a clear water control was set, 30m per plot 2 . The insect population base was investigated before spraying, and the five-point sampling method was used to investigate three adjacent broccoli plants at each sampling point, and a fixed-point and fixed-plant survey was implemented. Use 3WBD-20 knapsack electric sprayer to spray evenly, and each agent is treated ...

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Abstract

The invention relates to the technical field of pesticides, in particular to an insecticidal composition containing broflanilide and metaflumizone and application of the insecticidal composition. The insecticidal composition provided by the invention has an obvious synergistic effect on the prevention and treatment of lepidoptera pests and phyllotreta striolata on corn and vegetables, especially on spodoptera frugiperda and plutella xylostella, and can reduce the dosage of medicaments, lower the cost and reduce the harm to the environment. A pesticide prepared from the insecticidal composition provided by the invention is good in fast-acting property and long in lasting period, effectively delays the generation of drug resistance of pests, and is particularly suitable for treating resistant pests.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an insecticidal composition containing flubendiamide and metaflumizone. The insecticidal composition provided by the invention is used for controlling crop pests. Background technique [0002] Broflanilide, molecular formula: C 25 h 14 f 11 BrN 2 o 2 . Bromflubendiamide is a meta-diamide insecticide jointly developed by Japan's Mitsui Chemicals and Germany's BASF. It is an allosteric regulator of gamma-aminobutyric acid (GABA)-gated chloride ion channels, which can cause excessive excitement in insects. and convulsions. It has high larvicidal activity against Lepidoptera pests such as Spodoptera litura; it also has good control effect against thrips; it can effectively control pests resistant to other insecticides. Bromflubendiamide can also be used for seed treatment, control of grain wireworms, etc., and can be used in the field of special pest control, such as the c...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N37/46A01P7/04
CPCA01N37/46A01N47/34Y02A50/30
Inventor 谷少华王欢欢赵瑞张雷史雪岩梁沛高希武
Owner CHINA AGRI UNIV
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