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Spinosad compound insecticide suspension

A spinosad, suspending agent technology, used in pesticides, biocides, animal repellents, etc., can solve the problem of unclear mechanism of action, and achieve the effect of high suspension rate and long-term storage stability

Active Publication Date: 2016-02-17
枞阳县黎阳中小企业服务中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Spinosad can also affect GABA receptors, but the mechanism of action is unclear

Method used

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  • Spinosad compound insecticide suspension
  • Spinosad compound insecticide suspension

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Stir and mix spinosad, pymetrozine, propylene glycol, carboxypropyl cellulose, surfactant and water according to the formula to form a slurry, and pulverize it in a ball mill.

[0025] (2) Put it in a grinder for ultrafine pulverization, and control the average particle size to ≤4μm.

[0026] (3) Homogenize in a homogenizer to homogenize the particles.

[0027] The prepared suspending agent is viscous and homogeneous liquid in appearance, and its average particle size (D50) is 2.8 μm and D90 is 4.8 μm as measured by a Malvern laser particle size distribution analyzer.

[0028] Table 1: Spinosad Compound Insecticide Suspension Concentrate Formulation Unit: kg

[0029]

[0030]

Embodiment 2

[0032] The raw materials were weighed according to the data in Table 1 corresponding to Example 2, and prepared according to the method of Example 1.

[0033] The prepared suspending agent is viscous and homogeneous liquid in appearance, and its average particle size (D50) is 2.7 μm and D90 is 4.9 μm as measured by a Malvern laser particle size distribution analyzer.

Embodiment 3

[0035] The raw materials were weighed according to the data corresponding to Example 3 in Table 1, and prepared according to the method of Example 1.

[0036] The prepared suspending agent is viscous and homogeneous liquid in appearance, and its average particle size (D50) is 2.9 μm and D90 is 4.8 μm as measured by a Malvern laser particle size distribution analyzer.

[0037] Store at room temperature for 14 days and at high temperature at 54°C ± 2°C for 14 days, respectively, and measure the suspension rate using "GB / T14825-2006 Method for Determination of Suspension Rate of Pesticides". The specific data are shown in Table 2 below. When the suspension rate> 85%, the product is considered qualified.

[0038] Table 2: Pesticide Suspension Rate Determination Data Table Unit: %

[0039]

Example 1

Example 2

Example 3

After 14 days storage at room temperature

98.9

97.5

95.8

After 14 days of high temperature storage

97.1

95...

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PUM

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Abstract

The invention relates to a spinosad compound insecticidal suspending agent. The insecticidal suspending agent comprises the following materials: 15-25% of spinosad, 5-15% of pymetrozine, 4-8% of propylene glycol, 0.05-0.15% of hydroxypropyl cellulose, 4-8% of surface active agent and the balance of water. The insecticidal suspending agent has the advantages that the suspensibility is high, the spreadability and the permeability are good, the performance of a product is stable, and the insecticidal suspending agent is used for controlling thysanoptera, homoptera, diptera and lepidoptera insects and the like.

Description

technical field [0001] The invention relates to a spinosad compound insecticidal suspension. Background technique [0002] Spinosyn, also known as spinosad (Spinosad), is a macrolide pollution-free and efficient biopesticide extracted from the fermentation broth of Saccharopolyspora spinosa. The spinosad-producing parent strain, the soil actinomycete Saccharopolyspora spinosa Metrz & Yao, was originally isolated from an abandoned winery in the Caribbean. Researchers from Dow AgroSciences (now Dow Agrosciences) found that the bacterium can produce compounds with very high insecticidal activity. The practical product is a mixture of spinosynA and spinosynB, so it is called spinosad. Its mechanism of action is considered to be the effector of the nicotinic acid acetylcholine receptor, which can continuously activate the target insect acetylcholine nicotinic receptor, but its binding site is different from that of nicotine and imidacloprid. Spinosad also affects GABA receptors...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/707A01N25/04A01P7/04A01N43/22
Inventor 陈龙弟
Owner 枞阳县黎阳中小企业服务中心
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