Emamectin benzoate thiodicarb insecticide

A technology of emamectin and thiodicarb benzoate, which is applied in the direction of insecticides, biocides, animal repellants, etc., can solve the problems of high cost, easy resistance of pests, and large dosage problems, to achieve the effect of drug resistance, less resistance, and high activity

Active Publication Date: 2011-04-06
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to: aim at the actual problem that emamectin benzoate and thiodicarb are used alone to prevent and control pests at present, the dosage is relatively large, the cost is high, and the pests are prone to resistance after repeated use, and a kind of Compound emamectin benzoate thiodicarb insecticide

Method used

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  • Emamectin benzoate thiodicarb insecticide
  • Emamectin benzoate thiodicarb insecticide
  • Emamectin benzoate thiodicarb insecticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The preparation of 72% emamectin thiodicarb water-dispersible granules (WG) (the weight ratio of emamectin benzoate and thiodicarb 1: 35):

[0013] Auxiliary selection: wetting agent DT886 or EFW or LS; dispersant MS or DT51 or D425.

[0014] Filler selection: kaolin, light calcium carbonate.

[0015] Disintegrants: anhydrous sodium sulfate, anhydrous sodium carbonate, ammonium sulfate.

[0016] Binder: glucose.

[0017] Each component is prepared according to weight percentage:

[0018] Thiodicarb: 70%; Emamectin benzoate: 2%; Dispersant MS or DT51 or D425: 3-12%; Wetting agent DT886 or LS or EFW: 2-6%; Disintegration Agent anhydrous sodium sulfate or anhydrous sodium carbonate or ammonium sulfate: 2-5%; binder: glucose 0.5-2%; filler kaolin or light calcium carbonate: the balance.

[0019] Preparation process: add thiodicarb TC, emamectin benzoate TC, dispersant, wetting agent, disintegrant, binder in turn, and then fill it with kaolin or light calcium carbonate t...

Embodiment 2

[0021] The preparation of 41% emamectin thiodicarb aqueous suspension (SC) (the weight ratio of emamectin benzoate and thiodicarb 1: 40):

[0022] Auxiliary selection: Nongru 33#, or Nongru 500#, or Nongru 601#, or EFW.

[0023] Stabilizer: BHT.

[0024] Thickener: CMC, XG.

[0025] Defoamer: organosilicone.

[0026] Antifreeze: ethylene glycol.

[0027] Solvent of choice: water.

[0028] Each component is prepared according to weight percentage:

[0029] Thiodicarb: 40%; Emamectin benzoate: 1%; EFW: 1-3%; Nongru 33# or Nongru 500# or Nongru 601# or EFW: 3-7%; Stabilizer BHT: 1-5%; thickener CMC or XG: 0.2-1%; antifreeze: ethylene glycol: 1-3%; defoamer: organic silicone: 0.5-2%; water: make up to 100%; prepared as a composition suspension.

[0030] Preparation process: according to thiodicarb TC, emamectin benzoate TC, EFW, Nongru 33# or Nongru 500# or Nongru 601# or EFW, BHT, CMC or XG, ethylene glycol , Organic silicone is placed in the reaction kettle according to ...

Embodiment 3

[0032] The preparation of 78% emamectin thiodicarb wettable powder (WP) (the weight ratio of emamectin benzoate and thiodicarb 1: 25):

[0033] Auxiliary selection: DT801, DT802, MS, BX, LS, NNO.

[0034] Filler selection: kaolin, light calcium carbonate.

[0035] Each component is prepared according to weight percentage:

[0036] Thiodicarb: 75%; emamectin benzoate: 3%; wetting and dispersing agent DT801 or DT802: 5-10% (also available MS or NNO: 3-8%; wetting agent BX or LS: 2-7%); filler: kaolin or light calcium carbonate; the prepared composition is air-pulverized and then mixed to form a wettable powder.

[0037] Preparation process: Thiodicarb TC, emamectin benzoate TC, DT801 or DT802 (MS or NNO can also be used; wetting agent BX or LS), put in the mixer according to the above ratio, and use kaolin or Light calcium carbonate filled to 100%. After all materials are uniformly mixed in a mixer, they are pulverized by a jet mill, and then mixed evenly again to form a wet...

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Abstract

The invention relates to an emamectin benzoate thiodicarb insecticide, comprising effective active ingredients, auxiliaries and solvents or fillers and is characterized in that the effective active ingredients account for 10-90% of the finished drug in percentage by weight and are composed of emamectin benzoate and thiodicarb in weight ratio of 1:10-80. The insecticide has the advantages that the emamectin benzoate and the thiodicarb are compounded, thereby having obvious synergia and continuous control effects; the insecticidal spectrum is expanded, and the insecticide has higher activity on lepidoptera injurious insects, such as tryporyza incertulas, chilo suppressalis, and cnaphalocrocis medinalis for rice, brassicaceous vegetable plutella xylostella, cabbage caterpillar, beet armyworms, prodenia litura, cotton bollworms for cottons, pectinophora gossypiella and the like; the dosage of the insecticide is lowered, the residual quantity of the insecticide in crops and soils is reduced, environmental contamination is lightened; and the insecticide is safe to people and livestock, has good environmental compatibility and is difficult to generate resistance to drugs for the injurious insects.

Description

Technical field: [0001] The invention belongs to pesticides for preventing and controlling agricultural pests, and relates to a composite insecticide whose active ingredients are emamectin benzoate and thiodicarb. Background technique: [0002] Chemical pesticides are an effective means of controlling pests and diseases. Especially in the epidemic of diseases and pest outbreaks, it is an effective control measure. With the development of my country's national economy and the improvement of people's living standards, national health awareness and environmental protection awareness are increasing, and the requirements for green food are also increasing. There is an increasing demand for the use of pollution-free biological pesticides to replace traditional highly toxic chemical pesticides, and environmentally friendly biological pesticides have become a hot spot in research and development for a while. Biopesticides are safe and non-toxic to humans and animals, do not pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01N43/90A01P7/04
Inventor 王冬兰刘贤金张志勇吴长付
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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