Termite killing drug compound combination

A drug and termite technology, applied in the direction of insecticides, biocides, animal repellents, etc., can solve the problem of unfavorable transfer of poisonous termite agents, poisoning and dead insects do not shrink significantly, and slow termite knockdown speed, etc. problems, to achieve the effect of facilitating virulence transmission, reducing application costs, and long knockdown time

Inactive Publication Date: 2014-06-11
南京市白蚁防治研究所
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Both chlorfenapyr and sulfluramid are non-repellent and chronically toxic to termites, but their mechanisms of action are different, and the symptoms of poisoning are also different. In a short period of time (generally within 2 days), the crawling ability of termites will not be significantly affected. The time required for termites to die from being knocked down is short, and the body of poisoned and dead insects will not shrink significantly. In termite control, this is beneficial to termites carrying poison The spread and spread of drug toxicity in the ant colony, so as to better kill the entire ant colony; the latter has a faster knockdown speed on termites. After the drug treatment, the termites are knocked down by the drug in a short time, and the termites lose The crawling ability of the termites is longer, and the termites take a long time from being knocked down to death, and the body of the poisoned and dead insects is obviously reduced, which is not conducive to the transfer of the poison of the poisonous termites in the ant colony.

Method used

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  • Termite killing drug compound combination
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  • Termite killing drug compound combination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: the toxicity determination of single agent to termite

[0021] Determination method: use acetone to make sulfluramid and fenfenapyr respectively into a mother solution of about 1000ppm. The stock solutions of the two drugs were diluted in acetone to serial concentrations. Use a pipette to pipette 1ml of the drug solution, drop it on the filter paper (Ф90mm) to form a uniform drug film, dry it naturally and put it into a clean Petri dish (Ф90mm). 1ml of deionized water was added dropwise, and 30 worker ants were dropped in, and the contact was continued. Each concentration was repeated three times, and a blank control was set up. The poisoning symptoms and death numbers of termites were observed and recorded every day. The test was carried out at 28±1°C and in the dark, and the filter paper should be kept moist.

[0022] Experimental effect: add up the number of dead termites every day, calculate the cumulative mortality of termites after different days, ...

Embodiment 2

[0025] Embodiment 2: The toxicity determination of compound agent to termite

[0026] Determination method: The highest concentrations of chlorfenapyr and sulfluramid used in single-dose toxicity determination were mixed in a certain proportion to form two-component compound preparations with different proportions (active ingredient ratios) (see Table 2 for specific proportions), and then Dilute down to 4-5 concentrations according to the principle of equal ratio. Use a pipette to pipette 1ml of the drug solution and evenly drop it on the filter paper (Φ9cm) to form a drug film, dry it naturally and put it into a clean Petri dish (Φ9cm). Add 1ml of double-distilled water dropwise, and put in 30 milk termite worker ants for continuous contact. Repeat each concentration three times, and set a blank control, observe and record the poisoning symptoms and death number of termites every day, and calculate the LC of various compound agents 50 value, co-toxicity coefficient and syne...

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Abstract

The present invention relates to termite killing drug compound combination, which is prepared by compounding 1-40 parts by weight of sulfluramid and 1-20 parts by weight of chlorfenapyr. The present invention provides a termite killing drug compound combination, wherein different action mechanisms on termites of sulfluramid and chlorfenapyr are adopted to improve virulence transmission capacity and killing capacity on the termites by the drug, a co-toxicity index of the compound agent is more than 100, the highest co-toxicity index is 175, and a significant synergistic effect is provided. The compound combination has the following advantages that: (1) a significant synergistic effect is provided for the termites, and prevention and control effects are increased; (2) compared with the existing agents, the compound combination provides a better termite group killing effect; and (3) toxicity is low, and application cost of the compound combination is lower than application cost of the single agent.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a compound combination of termite-killing drugs that has a synergistic effect on termites. Background technique [0002] Termites are one of the world's pests, and they are widely distributed in my country. Termite damage can cause house collapse, damage to home decoration, damage to cultural relics and archives, massive death of trees and crops, and even serious consequences such as piping and collapse of embankments and dams in rivers and reservoirs. According to statistics, the annual economic loss caused by termite damage is as high as 2 billion to 2.5 billion. [0003] Pesticide compounding can improve the control effect, reduce the use of pesticides, expand the control objects, reduce the toxicity of pesticides, and delay the emergence of drug resistance. Termites are classified as sanitary pests in my country, and termiticides are sanitary insecticides. Ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/36A01N41/06A01P7/04
Inventor 林雁何利文陈丹琦张睿
Owner 南京市白蚁防治研究所
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