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Clathrate of Trueno agent, and its preparing method

A technology of hexaflumuron and inclusion compound, which is applied in the field of inclusion of cyclodextrin and its derivatives, can solve the problems of side effects and drug damage, and achieve the effects of reducing pollution, solving drug damage, and reducing photolysis

Inactive Publication Date: 2007-07-25
齐凤来
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the side effects of hexaflumuron are also obvious—the problem of phytotoxicity to crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0013] Example 1 Drugs used: 5% hexaflumuron emulsifiable concentrate (produced by Shandong Pesticide Factory); compared with 5% hexaflumuron encapsulating agent.

[0014] Crops: Cruciferous rapeseed seedlings

[0015] Control object: diamondback moth

[0016] Test area: 30 acres of rapeseed field in Foshan, Guangdong, environment: average temperature 28°C, humidity 75%

[0017] Test concentration: preparation diluted 500 times, 800 times, 1000 times

[0018] Purpose of the test: 1. To observe the control effect of 5% hexaflumuron on Plutella xylostella

[0019] 2. Observe the phytotoxicity of 5% hexaflumuron on rapeseed

[0020] Test results: 1. Each concentration of each medicine in this test is divided into 4 sub-districts (each sub-district is 50m 2 ) with a blank control plot (50m 2 ). Randomly selected, cultivated, 25 plots with the same water and fertilizer conditions, three test concentrations (500, 800, 1000 times), sprayed with a manual sprayer, and applied twi...

example 2

[0023] Example 2: Use on fruit trees

[0024] Experimental crop: pear tree

[0025] Control object: pear psyllid

[0026] Prevention and control plot: Zhaoxian County, Hebei Province, with an area of ​​50 mu, more than 5 years old and young fruit stage

[0027] Test concentration: 5% hexaflumuron EC 1000 times 800 times 500 times

[0028]5% hexaflumuron encapsulation preparation 1000 times 800 times 500 times

[0029] Purpose of the test: 1. Control pear psyllid

[0030] 2. Effects on the growth of pear trees

[0031] Test method: 50 mu of pear orchards with the same water, fertilizer and growth were randomly divided into 25 plots. Four plots were set up for each variety and concentration, and one plot was reserved for blank control. Spray with a tractor motorized sprayer, observe and measure the number of insects for five days, and calculate the control rate. Determination of the impact on pear tree production: observe the fruit drop, compare the number of fallen flowe...

example 3

[0034] Example 3 10% hexaflumuron envelope Suspending agent (100ml)

[0035] Solution A: Take 25g of β-cyclodextrin, add 40ml of water, heat at 35°C, and stir to form a paste

[0036] Liquid B: Take 10.5g of hexaflumuron (95% of the original drug of hexaflumuron) and add it to 25ml of dimethylformamide solvent, heat to 35°C, add it into liquid A and stir for 30 minutes, stand still for 40 minutes, and then Add 5mlop-10 additives and 1.5g of silica, make up to 100ml with water and stir well to obtain 10% hexaflumuron suspension concentrate.

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PUM

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Abstract

An inclusion compound of hexaflumuron with higher effect to kill pests and eliminate the damage of hexaflumuron to agricultural crops is prepared from cyclodextrin or its derivative and hexaflumuron in mole ratio of (1.5-3):1 through saturated aqueous solution method, or grinding method, or solid-phase inclusion method.

Description

technical field [0001] The present invention relates to the inclusion technology of using cyclodextrin and its derivatives in pesticides, in particular to the use of cyclodextrin and its derivatives to carry out the inclusion of the new drug hexaflumuron insecticide, thereby eliminating the effect of hexaflumuron on agricultural crops. Harmful and increase the technology of efficacy, specifically a hexaflumuron inclusion compound preparation and its preparation method. Background technique [0002] The full chemical name of hexaflumuron is: 1-[3,5-dichloro-4-(1,1,2,2-tetrafluoroethoxy)phenyl]-3-(2,6-difluorobenzyl) Acyl) urea, which is also known as Gai Chong San. Hexaflumuron insecticide is suitable for controlling a variety of Lepidoptera pests in vegetables, cotton, fruit trees, forest trees and other crops, and has a good effect on pests resistant to organophosphorus, carbamate, and pyrethroids. Dow AgroSciences registered 51% Dafusheng EC (compound of chlorpyrifos + h...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N25/26
Inventor 齐凤来齐彦辉
Owner 齐凤来
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