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: 2013-03-06
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 sprea

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
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Example Embodiment

[0020] Example 1: Determination of the toxicity of a single agent to termites

[0021] Determination method: Use acetone to prepare the sulfluramid and tarfenil technical materials into a mother liquor of about 1000 ppm. The mother liquors of the two drugs were diluted to serial concentrations with acetone. Use a pipette to transfer 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). Add 1ml of deionized water dropwise, put in 30 worker ants, and keep in contact. Each concentration was repeated three times, and a blank control was set. The symptoms of termite poisoning and the number of deaths were observed and recorded every day. The test was carried out under 28±1℃ and dark conditions, and the filter paper should be kept moist.

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

Example Embodiment

[0025] Example 2: Determination of the toxicity of compound medicament to termites

[0026] Determination method: used in the single-dose virulence determination, the highest concentrations of fenfluramide and sulfluramid were mixed in a certain proportion into a two-component compound with different proportions (effective ingredient ratio) (see Table 2 for specific proportions), and then Dilute it to 4-5 concentrations according to the principle of equal ratio. Use a pipette to pipette 1ml of the drug solution evenly and 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 re-distilled water dropwise, put in 30 cactus termite workers, and keep in contact. Each concentration was repeated three times, and a blank control was set. The symptoms of termite poisoning and the number of deaths were observed and recorded every day, and the LC of various compound agents was obtained. 50 Value, co-toxicity coeffici...

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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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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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