A kind of insecticidal composition containing picroderm and spinosad

An insecticidal composition and technology of spinosad, applied in the field of pesticide application, can solve the problems of decreased control effect and increased pest resistance, and achieve the effects of reducing the amount of application, reducing the cost of pesticides, and reducing pesticide residues

Active Publication Date: 2019-04-19
罗友祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide an insecticidal composition containing picroderm and spinosad to solve the problem of pest resistance caused by single and frequent use of spinosad in the control of Spodoptera litura Practical problems of increasing and reducing the control effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: Indoor toxicity determination of spinosad, picroderm and their mixture to Spodoptera litura

[0019] The test adopts the method of soaking leaves and inoculating insects: the test agent is made into a certain concentration of mother liquor, and then diluted with water to 5 gradient concentrations for use, and clean water is used as a control. Take fresh taro leaves and cut them into approximately 50mm long fragments of basically the same size, dip the cut leaves in the prepared test drug solution for 10 seconds, take them out and let them dry naturally, then put them into a culture medium lined with filter paper in advance. In a dish (φ120mm). Then artificially reared 2nd instar larvae were inserted into the dish, 15 per dish, and each concentration was replicated three times. Place it in the greenhouse for cultivation, check and record the death situation after 72 hours, calculate the death rate, and obtain the regression equation of toxicity, correlatio...

Embodiment 2

[0028] Example 2: 2.5% spinosad · phasicine suspension concentrate (spinosyn: phasicine = 4:1)

[0029] Take by weighing spinosad 2.0%, picroderm 0.5%, alkyl aryl polyoxypropylene polyoxyethylene ether 3.5% (dispersant), polynaphthyl sodium sulfonate 5.0% (wetting agent), Ethylene glycol 2.5% (antifreeze agent), xanthan gum 0.8%, silicone 0.3% (defoamer), and deionized water to make up to 100%.

[0030] The preparation method of Example 1-2 is as follows: mix each component uniformly according to the ratio of the formula, grind and high-speed shear to obtain an insecticidal composition containing spinosyn·picroderm, and the dosage form is a suspension concentrate.

Embodiment 3

[0031] Embodiment 3: 4.0% spinosad · phasicine in water emulsion (spinosyn: phasicine = 3:1)

[0032] Take by weighing spinosad 3.0%, picroderm 1.0%, 2% nonylphenol polyoxyethylene (EO=10) ether phosphate, 2% tristyrylphenol polyoxyethylene ether phosphate (agricultural milk 600# phosphate), 10% xylene, 3.6% calcium dodecylbenzenesulfonate, 0.5% organic silicon, and water to make up to 100%.

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PUM

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Abstract

The invention relates to an insecticide composite containing celastrus angulatus and spinosad. Effective components are composed of the spinosad and the celastrus angulatus, wherein the weight ratio between the spinosad and the celastrus angulatus is 2-5:1-2. The insecticide composite containing the celastrus angulatus and spinosad achieves synergistic interaction, can delay development of the resistance of prodenia litura when used for preventing and controlling the prodenia litura, reduces the application amount of each single agent and improves the preventing and controlling effect, and meanwhile the insecticide composite containing the celastrus angulatus and the spinosad is beneficial for the reduction of chemical pesticide and meets the requirement for comprehensive treatment of injurious insects.

Description

technical field [0001] The invention relates to the technical field of pesticide application, in particular to an insecticidal composition containing picroderm and spinosad. Background technique [0002] Spodoptera litura belongs to Lepidoptera, Noctuidae, and is an important pest of vegetables and economic crops all over the country. The insect was originally an intermittent pest. In recent years, due to the influence of factors such as climate and planting structure adjustments, it has developed into a recurrent pest, and it has caused disasters in severe areas. Spodoptera litura is a relatively typical omnivorous pest. The serious damage mainly includes cabbage-type leafy vegetables (rape, cabbage, cauliflower, cabbage), cauliflower, cabbage, radish, beans, peppers, melon vegetables, and soybeans. , peanuts, corn, cotton, watermelon and other cash crops. [0003] Spodoptera litura has the characteristics of strong concealment, sudden outbreak, frequent occurrence of hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/22A01N43/12A01P7/04
CPCA01N43/12A01N43/22A01N2300/00
Inventor 邓付圆闭广进杨旭新申妍梁佳
Owner 罗友祥
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