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A compound combination for termite control and its application

A technology of termites and compositions, applied in the direction of application, resistance to vector-borne diseases, insecticides, etc., can solve problems such as damage to nerve impulse transmission, pest movement disorders, inability to eat, etc., to increase cumulative toxicity, meet environmental protection requirements, low cost effect

Active Publication Date: 2020-04-07
南京市白蚁防治管理处
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At the same time, metal salts are cumulative, and when the concentration accumulates to a certain level, it will have toxic effects on the physiological functions, tissues and organs of organisms, which will expand the scope and degree of toxicity to pests.
[0005] Indoxacarb is the first commercialized pyrazoline-type sodium channel blocker. Its mechanism of action is unique. It can be rapidly converted into DCJW (N-desmethoxycarbonyl metabolite) in insects, which is acted by DCJW In the inactive state of insect nerve cells, the voltage gate controls the sodium ion channel, irreversibly blocks the transmission of nerve impulses in insects, destroys the transmission of nerve impulses, and causes pests to lose control, cannot eat, paralyzes and eventually dies

Method used

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  • A compound combination for termite control and its application
  • A compound combination for termite control and its application
  • A compound combination for termite control and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: the toxicity determination of single agent to termite

[0026] Determination method: Preparation of copper chloride solution: Weigh 12.8g of copper chloride in a 100mL volumetric flask, calculate according to the conversion rate of 78.1%, add distilled water to the scale line, and obtain a concentration of 100g / L copper chloride solution.

[0027] Preparation of indoxacarb solution: Weigh 10.5 g of indoxacarb into a 100 mL volumetric flask, calculate according to the conversion rate of 95%, add acetone to the scale line, and obtain a concentration of 100 g / L indoxacarb solution.

[0028] Drug film test method: Take a petri dish with a diameter of 90mm and filter paper, add 1mL of the test concentration liquid evenly on the filter paper and put it in the corresponding petri dish, then add 30 worker ants to each petri dish, Three parallels were performed at each concentration, and a blank control was set. The test was carried out under dark conditions in a ...

Embodiment 2

[0033] Embodiment 2: The toxicity determination of compound agent to termite

[0034] Assay method: the highest concentration of cupric chloride and indoxacarb used in the single-dose toxicity assay is mixed in a certain proportion into different ratios (active ingredient ratios) of binary compound (see Table 2 for the specific ratio), and then Dilute down to 3 to 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, put 30 termite worker ants in, and keep contacting and observing. 3 repetitions, 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 and co-toxicity coefficient, the test is carried out at 28±1°C in the dark, and keep the filter pape...

Embodiment 3

[0045] Drug film test method: Take a petri dish with a diameter of 90mm and filter paper, add 1mL of the test concentration liquid evenly on the filter paper and put it in the corresponding petri dish, then add 30 worker ants to each petri dish, Three parallels were performed at each concentration, and a blank control was set. The test was carried out under dark conditions in a constant temperature and humidity chamber (T=28±1°C, RH=80%). Record the poisoning symptoms and death number of termites every day, and keep the filter paper moist. The tested concentrations of copper chloride, indoxacarb and copper chloride: indoxacarb = 5:1 complex were 40 g / L, 400 g / L and 21 g / L, respectively.

[0046] Implementation effect: count the number of dead termites every day, and calculate the average death rate of termites after different times. The results are shown in Table 3. It can be seen that whether it is 24h, 48h, or 72h, the average mortality rate of the 21g / L compound is higher...

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Abstract

The invention relates to a compounded combination used for termite killing and treatment and application thereof. The compounded combination used for termite killing and treatment is compounded by copper chloride and indoxacarb, wherein the effective ingredient ratio of the copper chloride to the indoxacarb is (1-20) to (1-10). Through different action mechanisms of the copper chloride and the indoxacarb for termites, the poison killing ability of the termite is improved. The lowest cotoxicity coefficient of the mixture is 178, and the highest cotoxicity coefficient of the mixture is 455.3 soas to perform an obvious synergism function. The compounded combination has the advantages that (1) the compounded combination has the obvious synergism function and has a good termite killing effect;(2) compared with traditional medicament, the combination is inorganic metal salt combination and has an anticorrosion and sterilization function and has the advantages of wide source, low cost and convenience in operation; (3) the accumulation effect of the inorganic metal salt and the toxicity transferring function of the indoxacarb can be used for increasing the transferring toxicity of the termites, and the termite killing effect is enhanced.

Description

technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a compound combination for termite control and its application. Background technique [0002] Termites are a worldwide pest, widely distributed in tropical and subtropical regions, and their damage area accounts for about 50% of the total global area. In my country, termites are distributed in Dandong, Liaoning and Beijing, south of about 40 degrees north latitude, and the distribution area accounts for about 40% of the total area of ​​the country. Termites generally cause damage to dams, houses, furniture, forests, and crops. The annual damage caused by termites in my country is about 2 billion to 2.5 billion yuan. [0003] Pesticide compounding has the characteristics of low cost and good effect, and has become an important way of pesticide registration. According to information from China Pesticide Information Network, in the past two years, more than 1,000 pes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/20A01N47/38A01P7/04
CPCA01N47/38A01N59/20Y02A50/30
Inventor 何利文侍甜叶兼菱黄晓光林雁蒋宏杨飞飞
Owner 南京市白蚁防治管理处
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