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Ferula bungeana insecticidal acaricide and preparation method thereof

The technology of hard asafoetida and acaricide is applied in the field of hard asafoetida insecticidal and acaricide and its preparation field, which can solve the problems such as no insecticidal and acaricidal effect of the unfolded system, no production, etc., and achieves good effect on mites, The effect of abundant resources and simple preparation method

Active Publication Date: 2014-02-05
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far, there is no relevant literature on the research on the insecticidal and acaricidal effects of its system, and no product has been applied to production.

Method used

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  • Ferula bungeana insecticidal acaricide and preparation method thereof
  • Ferula bungeana insecticidal acaricide and preparation method thereof
  • Ferula bungeana insecticidal acaricide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] B. Preparation of hard asafoetida insecticide and acaricide

[0033] The concentrate obtained in step A (i.e. hard ferula extract) and additives are formulated into emulsifiable concentrates and microemulsions for the prevention and control of harmful organisms. The weight percentage of each raw material in the above various dosage forms is:

[0034] Emulsifiable concentrate: Hard Asafoetida extract 10%-50%, surfactant 5%-20%, solvent supplement to 100%;

[0035] The hard asafoetida extract, solvent and surfactant are mixed in proportion, and the reaction kettle is evenly stirred. The temperature of the reactor is 35℃~60℃, and the reaction time is 30 minutes. After quality inspection, the hard asafoetida is obtained. Acaricide cream;

[0036] The above-mentioned solvent is one or a mixture of methanol, ethanol, acetone, n-isopropanol, ethyl acetate or solvents known in the art;

[0037] The above-mentioned surfactants are selected from octylphenol polyoxyethylene ether, calcium...

Embodiment 1

[0043] Example 1: Preparation of 20% Hard Asafoetida EC:

[0044] Weigh 20 kg of hard ferulic concentrate, dissolve it in 30 kg of acetone, add 15 kg of calcium dodecyl benzene sulfonate, 5 kg of nonylphenol polyoxyethylene ether, and acetone to make up to 100 kg. After mixing thoroughly, the acaricide emulsifiable concentrate is obtained. After quality inspection, the stability and appearance of the preparation meet the requirements of commercial preparations.

[0045] The inventor’s experiments have proved that the above calcium dodecylbenzene sulfonate and nonylphenol polyoxyethylene ether can also be used with octylphenol polyoxyethylene ether, phenylethylphenol polyoxyethylene polyoxypropylene ether, and stearyl alcohol polyoxyethylene ether. Instead of oxyethylene ether phosphate, it can also be made into emulsifiable concentrates that meet the requirements of commercial formulations.

Embodiment 2

[0046] Example 2: Preparation of 10% hard ferulic microemulsion

[0047] Weigh 10kg hard ferulic concentrate, dissolve it in 20kg acetone, add 15kg calcium dodecylbenzene sulfonate, 5kg nonylphenol polyoxyethylene ether, mix under high-speed stirring, and heat to about 30℃; high-speed stirring 50kg of deionized water was added dropwise to control the dripping rate of the water to keep the temperature at about 30°C; after the dripping was completed, the temperature was raised to 40°C and stirred for 1 hour to prepare a 20% hard asafoetida microemulsion. After quality inspection, the stability and appearance of the preparation meet the requirements of commercial preparations.

[0048] 2. Indoor Bioassay Example 1:

[0049] In this experiment, the toxic activity of hard ferulic acetone extract against wood sorrel such as spider mites and spider mites was determined. The test methods and results are as follows:

[0050] 1. Test harmful mites

[0051] Wood sorrel such as Tetranychina harti...

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Abstract

The invention discloses a ferula bungeana insecticidal acaricide and a preparation method thereof. The prepared ferula bungeana insecticidal acaricide is formed by a ferula bungeana extract serving as a main component and auxiliary ingredients. The ferula bungeana insecticidal acaricide can be missible oil or a microemulsion, has a good pesticide effect and is safe to the environment, humans, livestock, natural enemies of pest mites and other beneficial organisms, and pest mites are unlikely to generate drug resistance to the pistacia chinensis acaricide. The insecticidal acaricide manufacturing technology is simple, low in cost and suitable for popularization and application.

Description

Technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of pesticide preparation and processing, and particularly relates to a hard ferulic insecticide and acaricide and a preparation method thereof. Background technique [0002] Ferula bungeana Kitagawa (Ferula bungeana Kitagawa) is a plant of the genus Ferula in the Umbelliferae family (Illustrated Book of Higher Plants in China), also known as Sand Fennel (Inner Mongolia, West Liaoning), Sand Pepper, Flower Tiao (North Shaanxi), Wild Fennel (Minqin, Gansu) , Fangfeng, Gangqianhu, Han-Temuri, Niu Jiao Mo, Niu Jiao Mo, Adenophora, Shaqian Hu, Mountain Fennel, Wild Fennel, are perennial herbs. Distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Henan, Shanxi, Shaanxi, Gansu, Ningxia and other provinces. Growing on sand dunes, sandy lands, Gobi gullies, dry fields, roadsides and gravel hillsides (Chinese Academy of Sciences Chinese Flora Editorial Committee: "...

Claims

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Application Information

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IPC IPC(8): A01N65/10A01P7/02A01P7/04
Inventor 马志卿闫合霍彦波周一万冯俊涛张兴
Owner NORTHWEST A & F UNIV
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