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Insecticide compounded through microbial pesticide and chemical pesticide and preparation method and application of insecticide

A technology for microbial pesticides and chemical pesticides, which is applied in the field of compound pesticides of microbial pesticides and chemical pesticides and their preparation, can solve the problems of high cost, pollution and harm to the ecological environment and human health, and large dosage, and achieves strong permeability. , The effect of reducing the frequency of medication and reducing the cost of medication

Inactive Publication Date: 2018-11-06
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the long-term single use of tefluthrin has resulted in the resistance of pests, resulting in a large amount of use and high costs, and has brought increasingly serious pollution and harm to the entire ecological environment and human health.

Method used

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  • Insecticide compounded through microbial pesticide and chemical pesticide and preparation method and application of insecticide
  • Insecticide compounded through microbial pesticide and chemical pesticide and preparation method and application of insecticide
  • Insecticide compounded through microbial pesticide and chemical pesticide and preparation method and application of insecticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A microbial pesticide and chemical pesticide compound insecticide, its mass composition ratio is: 0.6% of bacillus thuringiensis, 5.6% of tefluthrin, 7% of hypertonic agent, 14% of emulsifier, 3.5% of wetting agent, Solvent balance.

[0035] Among them: the hypertonic agent is compounded by azone, limonene, ethylene glycol and sodium dicyanamide according to the mass ratio of 1:0.05:2:0.05.

[0036]The emulsifier is Tween-80, sodium lignosulfonate, fatty alcohol polyoxyethylene ether sulfate and hyperbranched polyamide ester in a mass ratio of 1:1:3:1.

[0037] The wetting agent is sodium dodecylbenzenesulfonate, sodium alkylnaphthalenesulfonate and sodium dialkylsuccinatesulfonate in a mass ratio of 1:0.5:1.

[0038] The solvent is acetone.

[0039] Preparation method: take the raw materials of the above ratio, add 1 / 5 of the total amount of solvent, cosolvent and wetting agent to Bacillus thuringiensis, stir at a stirring speed of 60-90 n / min for 60 minutes; then ad...

Embodiment 2

[0042] A microbial pesticide and chemical pesticide compound insecticide, its mass composition ratio is: Bacillus thuringiensis 0.5%, tefluthrin 3%, hypertonic agent 12%, emulsifier 11.5%, wetting agent 2.9%, Solvent balance.

[0043] Among them: the hypertonic agent is compounded by azone, limonene, ethylene glycol and sodium dicyanamide according to the mass ratio of 1: 0.1: 3: 0.1.

[0044] The emulsifier is made of Tween-80, sodium lignosulfonate, fatty alcohol polyoxyethylene ether sulfate and hyperbranched polyamide ester according to the mass ratio of 1: 2: 3: 3.

[0045] The mass ratio of wetting agent sodium dodecylbenzene sulfonate, sodium alkylnaphthalene sulfonate and sodium dialkyl succinate sulfonate is 1: 1:3.

[0046] The solvent is N,N-dimethylformamide.

[0047] The preparation method is the same as in Example 1.

[0048] The pesticides prepared above were compounded, and used for the control of Spodoptera exigua with reference to NY / T 1154.6-2006, and the...

Embodiment 3

[0050] A microbial pesticide and chemical pesticide compound insecticide, its mass composition ratio is: Bacillus thuringiensis 1%, tefluthrin 4%, hypertonic agent 9%, emulsifier 17%, wetting agent 4.5%, Solvent balance.

[0051] Among them: the hypertonic agent is compounded by azone, limonene, ethylene glycol and sodium dicyanamide according to the mass ratio of 1:0.08:2.5:0.07.

[0052] The emulsifier is made of Tween-80, sodium lignosulfonate, fatty alcohol polyoxyethylene ether sulfate and hyperbranched polyamide ester according to the mass ratio of 1:1.5:3:2.

[0053] The mass ratio of wetting agent sodium dodecylbenzene sulfonate, sodium alkylnaphthalene sulfonate and sodium dialkyl succinate sulfonate is 1:0.8:2.

[0054] The solvent is dimethylsulfoxide.

[0055] The preparation method is the same as in Example 1.

[0056] The pesticides prepared above were compounded and used for the control of Spodoptera spp. with reference to NY / T 1154.6-2006, and the LC50 value...

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Abstract

The invention provides insecticide compounded through microbial pesticide and chemical pesticide. The insecticide is prepared from, by weight, 0.1-18% of bacillus thuringiensis, 2.8-24% of tefluthrinoriginal pesticide, 3-17% of hypertonic agent, 6-21% of emulsifier, 2.4-6% of wetting agent and the balance solvent. Meanwhile, the invention provides a preparation method and application of the insecticide. Through compounding of the microbial pesticide and the chemical pesticide, the insecticidal effect is effectively improved, and the range of prevention and control over pests is enlarged. In addition, a proper preparation form and ingredients are selected for bacillus thuringiensis and tefluthrin and can be suitable for dispersion and volatilization of bacillus thuringiensis and tefluthrinat the same time, and the pesticide effect is effectively improved; compared with preparation forms such as powder and a suspending agent, the insecticide in the preparation form is high in dispersion stability, adhesiveness and permeability and convenient to use, no dust exists in the preparation process, an auxiliary agent is environmentally friendlier, and pollution is not easily caused to theenvironment, people and livestock.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a compound insecticide of microbial pesticides and chemical pesticides and its preparation method and application. Background technique [0002] Athetis lepigone Moschler (Athetis lepigone Moschler) belongs to Lepidoptera Noctuidae, mainly distributed in Japan, Korea, Siberia and Far East in Europe and Asia, and it is a new pest after the reform of the new farming system in my country. Adults like to move and lay eggs in shady and humid places, and larvae also like to move in shady and moist places and harm crop seedlings. Therefore, the new farming system of returning straw to the field and no-tillage sowing provides a large area of ​​benefits for the outbreak of the second-spot moth to damage corn. suitable environment. The Noctuid moth was first discovered in Hebei Province in 2005. In 2011, Noctuid moth was found in 297 counties in 47 places (cities) in 6 provinces incl...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01N53/06A01N25/04A01P7/04
CPCA01N25/04A01N53/00A01N63/00
Inventor 李丽莉门兴元张思聪夏小菊于毅孙艺昕孙廷林吕素洪
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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