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Spinetoram-containing insecticidal composition and use thereof

A technology of spinosad and insecticidal composition, applied in the directions of insecticide, application, biocide, etc., can solve the problems of death, inability to complete molting, dehydration of larvae, etc.

Inactive Publication Date: 2015-04-08
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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  • Spinetoram-containing insecticidal composition and use thereof
  • Spinetoram-containing insecticidal composition and use thereof
  • Spinetoram-containing insecticidal composition and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Prepared with 26% spinosad · furantenozide suspension concentrate, the distribution ratio of each component is by weight:

[0024]

[0025] The preparation process is as follows: high-speed dispersion of spinosad and furafenozide, styroxylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether, and part of water according to the stated ratio for 30 minutes, and then Grind the mixed materials with a sand mill to a particle size below 5um, then add ethylene glycol, citric acid, xanthan gum, etc. to the post-mixing kettle and stir evenly to obtain the finished product.

experiment example 1

[0027] Weighed spinosyn and furafenozide using the process of Example 1 to prepare a spinosad-furafenozide suspension concentrate with a total active ingredient weight percentage of 26%. 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 percentage in the mixture +TI(B)*B percentage in the mixture Co-toxicity coeffici...

Embodiment 2

[0036] 55% spinosad · furantenozide suspension preparation, the distribution ratio of each component is by weight:

[0037]

[0038] Preparation method with reference to embodiment 1

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PUM

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Abstract

The present invention discloses a spinetoram-containing insecticidal composition and use thereof, the spinetoram-containing insecticidal composition comprises spinetram (A) and fufenozide (B) with the weight ratio of 1-50:50-1. A variety of pesticide formulations of the insecticidal composition are prepared by adding an emulsifier, a cosolvent, an anti freezing agent, a defoaming agent, a thickening agent, a stabilizer, a PH regulator and other components, and an environmentally friendly water-based suspension formulation is preferable. The composition has a synergistic effect on the insecticidal effect, and can delay the development of pest resistance. The insecticidal composition can control plant hopper, whitefly, aphid, thrips, plutella xylostella, beet armyworm, mite, and other pests on crops.

Description

Technical field: [0001] The invention relates to the technical field of pesticide preparations, in particular to an insecticidal composition containing spinosyn and its application. Background technique: [0002] Spinosyn: composed of two components, spinosyn-J and spinosyn-L, acting on the nervous system of insects, it is effective against diamondback moth, beet armyworm, leaf miner, thrips, Spodoptera litura and pod borer have good control effects. [0003] The appearance of spinosyn-J (22.5°C) is white powder, and the appearance of spinosyn-L (22.9°C) is white to yellow crystals with bitter almond flavor. Specific gravity XDE-175-J: 1.1495±0.0015g / cm3 (1.150kg / m3) 19.5±0.4℃, XDE-175-L: 1.1807±0.0167g / cm3(1.181kg / m3) 20.1±0.6℃; melting point XDE- 175-J: 143.4°C, XDE-175-L: 70.8°C; decomposition temperature XDE-175-J: 497.8°C, XDE-175-L: 290.7°C; dissolution temperature (20-25°C) water XDE-175-J : 10.0mg / L, XDE-175-L: 31.9mg / L; in methanol, acetone, ethyl acetate, 1,2-di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/22A01P7/04A01N43/12
Inventor 孙素一
Owner 孙素一
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