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Composite fumigant for killing insect

A technology of smoke agent and insecticidal activity, applied in the field of insecticide combined smoke agent, can solve the problems of short duration and poor effect, achieve the effect of increasing space humidity, simple and convenient application method, and beneficial to comprehensive control

Inactive Publication Date: 2005-03-09
PESTICIDE INST XIBEI AGRI & FORESTRY TECHUNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Methothrin (English name: Meithothrin) is a pyrethroid insecticide, usually processed into mosquito coils to control indoor sanitary pests, it acts quickly and has a strong ability to hit adults, but has a poor effect on eggs. and shorter duration

Method used

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  • Composite fumigant for killing insect
  • Composite fumigant for killing insect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1 (preparation of smoke agent)

[0036] 1. Take sawdust that has passed 100 meshes and dry it in an oven (120°C) for 4 hours before use. Weigh 40g of ammonium nitrate and heat it in an iron pan

[0037] melt, stop heating, add 100g of dry sawdust, 6g of talcum powder, mix well, then add 5g of No. 0 engine oil, mix well and get

[0038] heating agent;

[0039] 2. Melt 5g of paraffin in a 50ml beaker, add 2.1g of buprofezin former powder (content 95%), 1.43g of methothrin crude oil (content 90%),

[0040] After stirring well, put it into a round aluminum foil dish with a diameter of 3.8cm and a height of 0.5cm to cool, and it becomes a medicine pad;

[0041] 3. Weigh 50g of heating agent, put it into a circular paper tube with an inner diameter of 4cm, which is pre-placed with a fuse, compact it, and put a medicine pad on it. covered with moisture-proof paper,

[0042] Sealed, that is, the isolated smoke agent is made.

Embodiment 2

[0043] Embodiment 2 (using technology)

[0044] Whitefly control experiment in field greenhouse:

[0045] The experiment was carried out on May 8, 2003 at the protected cultivation demonstration base in Litai Township, Yangling Demonstration Area, Shaanxi. Choose 3 greenhouses for testing (each shed area is 280m 2 ), separated by plastic film into 4 small sheds (with an area of ​​70m 2 ). The crop is cucumber (the variety is Changchun Mici), which is at the beginning of flowering and the beginning of whitefly. The treatment sequence is buprofezin (single-use) smoke agent, buprofezin-methethrin combination smoke agent, methothrin (single-use) smoke agent (each tube contains 50g of heating agent and 3.0g of active ingredient) , and a blank control without smoking was set up, and repeated 3 times. The insect population density (base number) was investigated before spraying, and the spraying was carried out at 4:30 pm. After sealing the shed, light a tube of smoke agent for ...

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PUM

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Abstract

A composite insecticide in the form of smoking agent is prepared from the heat supplying agent consisting of fuel, combustion aid, moisture-proof agent and flame-retarding agent, and the chemical disk prepared from excipient, buprofezin, and methothrin through assembling them together.

Description

Technical field: [0001] The present invention relates to insecticidal active ingredients containing 2-tert-butylimino-3-isopropyl-5-phenyl-3,4,5,6-tetrahydro-2H-1,3,5-thiadiazine-4 -ketone [hereinafter referred to as buprofezin (buprofezin)] and 4-methoxymethyl benzyl chrysanthemate or (1R, S)-cis, trans-2,2-dimethyl-3-(2-methyl Base-1-propenyl)-cyclopropanecarboxylic acid-4-(methoxy)-benzyl ester [hereinafter referred to as methothrin] combined smoke agent, and use the combination smoke agent to control agricultural pests The method belongs to the technical field of agricultural pesticides. Background technique: [0002] In recent years, with the improvement of people's living standards in our country, the demand for products such as off-season vegetables and flowers has increased, and the cultivation of protected areas has developed rapidly. According to the size of the space, the current greenhouses used for protected cultivation can be divided into greenhouses, large g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/18A01N53/02
Inventor 吴文君姬志勤师宝君祁志军胡兆农彭大勇
Owner PESTICIDE INST XIBEI AGRI & FORESTRY TECHUNIV
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