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Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition

A technology for furan hydrazide and an insecticidal composition is applied in the field of insecticidal compositions containing imidacloprid and furan hydrazide and the preparation thereof, and can solve the problems of inability to complete molting, dehydration of larvae, death and the like

Inactive Publication Date: 2015-03-25
孙素一
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the pest eats the loyal minister, it will soon have an abnormal molt reaction, stop feeding, and molt early, but cannot complete the molt due to abnormal molt, resulting in dehydration and starvation of the larvae and death

Method used

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  • Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition
  • Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition
  • Insecticide composition containing imidacloprid and furan tebufenozide as well as preparation method for insecticide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 40% imidacloprid · furantenozide suspension preparation, the distribution ratio of each component is by weight:

[0027]

[0028]

[0029] The preparation process is as follows: high-speed dispersion of imidacloprid and furantenozide, phenethylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether, and part of water according to the stated ratio for 30 minutes, and the Grind the mixed material until the particle size is less than 5um, put it in the post-mixing tank, add ethylene glycol, citric acid, xanthan gum, etc. and stir evenly to get the finished product.

experiment example 1

[0031] Weigh imidacloprid and furafenozide using the process of Example 1 to prepare imidacloprid·furafenozide suspension concentrate with a total active ingredient weight percentage of 30% in different proportions. See the table below for specific ratios.

[0032] The indoor synergistic bioassay was carried out by the leaf dipping method, and the resistant Plutella xylostella was selected as the target pest. Each treatment was repeated 3 times, and 60 heads were treated at each concentration. Medium concentration, use the LC50 value to calculate the co-toxicity coefficient according to Sun Yunpei's method to evaluate the mixed effect, usually showing three types of effects, namely synergistic, additive and antagonistic, when the co-toxicity coefficient (CTC) is greater than 120, it has a synergistic effect .

[0033] Actual toxicity index ATI(AB)=EC50 of A / EC50 of AB*100

[0034] Theoretical toxicity index TTI(AB)=TI(A)*A percentage in the mixture +TI(B)*B percentage in the...

experiment example 2

[0041] The indoor synergistic bioassay was carried out by the leaf soaking method, and the resistant cotton bollworm was selected as the target pest. Each treatment was repeated 3 times, and 60 heads were treated at each concentration. For medium concentration, use the LC50 value to calculate the co-toxicity coefficient according to Sun Yunpei's method to evaluate the mixed use effect.

[0042] The results are shown in the table below:

[0043] Table 2 Toxicity determination results of imidacloprid and furantenozide compound and single agent against resistant cotton bollworm

[0044]

[0045] It can be seen from Table 2 that the co-toxicity coefficients of imidacloprid and furanfenozide are both greater than 120 within the proportioning range, indicating that both have synergistic effects within this range.

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Abstract

The invention discloses an insecticide composition containing imidacloprid and furan tebufenozide as well as a preparation method for the insecticide composition. The composition comprises imidacloprid (A) and furan tebufenozide (B); the weight ratio of imidacloprid to furan tebufenozide is (1-50):(50-1). The composition is prepared into various pesticide formulations by adding components of an emulsifier, a cosolvent, an antifreezing agent, a foam killer, a thickening agent, a stabilizer, an pH modulator, and the like; the preferential is environment-friendly water-based suspending agent formulation; the composition has synergistic interaction function on insecticidal efficacy, can delay insecticide resistance of pests, and can control various pests of plant hopper, whitefly, aphid, thrips, cabbage moth, beet armyworm, mite, and the like on crops.

Description

Technical field: [0001] The invention relates to the technical field of pesticide preparations, in particular to an insecticidal composition containing imidacloprid and furantenozide and a preparation method thereof. Background technique: [0002] Imidacloprid is a super-efficient neonicotinoid insecticide with broad-spectrum, high efficiency, low toxicity, and low residue. It is not easy for pests to develop resistance, and it is safe for humans, animals, plants, and natural enemies. It also has contact, stomach, and systemic toxicity. and other multiple functions. After the pests are exposed to the pesticide, the normal conduction of the central nervous system is blocked, causing them to paralyze and die. The product is quick-acting, and has a high control effect one day after application, and the residual period is as long as about 25 days. The efficacy and temperature are positively correlated, the higher the temperature, the better the insecticidal effect. It is main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01P7/02A01P7/04A01N43/12
Inventor 孙素一
Owner 孙素一
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