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Pesticide composition containing emamectin benzoate and application of the composition

A technology of emamectin and insecticidal composition, applied in the direction of insecticide, application, acaricide, etc., which can solve the problems of dehydration of larvae, inability to complete molting, death, etc.

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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  • Pesticide composition containing emamectin benzoate and application of the composition
  • Pesticide composition containing emamectin benzoate and application of the composition
  • Pesticide composition containing emamectin benzoate and application of the composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 40% emamectin benzoate · furafenozide suspension preparation, the distribution ratio of each component is by weight:

[0024]

[0025] The preparation process is as follows: the original drug of emamectin benzoate and furantenozide, styrylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether, and part of water are prepared according to the stated ratio. Disperse at high speed for 30 minutes, grind the mixed material with a sand mill to a particle size of less than 5um, and then add ethylene glycol, citric acid, xanthan gum, etc. and stir evenly in the post-mixing kettle to obtain the finished product.

experiment example 1

[0027] Take emamectin benzoate and furanfenozide and adopt the process method of embodiment 1 to prepare the emamectin benzoate that the total active ingredient weight percentage content is 30% in different proportions · Furafenozide suspension concentrate. See the table below for specific ratios.

[0028] 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 .

[0029] Actual toxicity index ATI(AB)=EC50 of A / EC50 of AB*100

[0030] Theoretical toxicity index TTI(AB)=TI(A)*A percentag...

experiment example 2

[0036] 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. The results are shown in the table below:

[0037] Table 2 The toxicity test results of the combination and single dose of emamectin benzoate and furafenozide against resistant cotton bollworm.

[0038]

[0039] It can be seen from Table 2 that the co-toxicity coefficients of emamectin benzoate and furafenozide are all greater than 120 within the proportioning range, indicating that both have synergistic effects within this range.

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Abstract

The invention discloses a pesticide composition containing emamectin benzoate and application of the composition. The composition comprises emamectin benzoate (A) and furan tebufenozide (B), wherein the weight ratio of emamectin benzoate to furan tebufenozide is (1-30) to (30-1). The composition is prepared into various pesticide formulations by adding components such as an emulsifier, a cosolvent, an antifreezer, a defoamer, a thickener, a stabilizer and a pH regulator, but preferably the composition is prepared into an environment-friendly water-based suspending agent preparation; the composition has a synergistic pesticide effect and can delay pesticide resistance of pests and prevent and control various pests such as delphacidae, aleyrodidae, aphides, thrips, diamondback moths, beet armyworms and mites on crops.

Description

technical field [0001] The invention relates to the technical field of pesticide preparations, in particular to an insecticidal composition containing emamectin benzoate and its application. Background technique [0002] Emamectin Benzoate: Molecular formula: Bla: C49H75NO13.C7H6O2Blb: C48H73NO13.C7H6O2, English name: Emamect in Benzoate, molecular weight: Bla: 1008.26Blb: 994.23. The original drug is white or light yellow crystalline powder; melting point: 141-146°C; soluble in acetone and methanol, slightly soluble in water, insoluble in hexane; stability: stable under normal storage conditions. [0003] Emamectin benzoate is a new type of high-efficiency semi-synthetic antibiotic insecticide synthesized from the fermentation product abamectin B1. It has super high efficiency, low toxicity (preparation is almost non-toxic), no residue, The characteristics of biological pesticides such as pollution-free, compared with abamectin, the insecticidal activity is firstly increas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01P7/02A01P7/04A01N43/12
Inventor 孙素一
Owner 孙素一
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