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Biopesticide preparation synergic composition for preventing and controlling solenopsis invicta

A technology of biological pesticides and red fire ants, applied in biocides, animal repellents, plant growth regulators, etc., can solve problems such as no reports on the application of pesticides

Active Publication Date: 2017-12-12
INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] So far, there has been no report on the application of insecticides combining Beauveria bassiana and sodium chloride in the control of red fire ants

Method used

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  • Biopesticide preparation synergic composition for preventing and controlling solenopsis invicta
  • Biopesticide preparation synergic composition for preventing and controlling solenopsis invicta

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Indoor virulence determination experiment of Beauveria bassiana and sodium chloride compounded red imported fire ants worker termites

[0017] During indoor toxicity determination, weigh 5 g of Beauveria bassiana powder and dissolve it in 1 L of water, and mix evenly to obtain Beauveria bassiana solution. The used Beauveria bassiana powder contains 20 billion spores of Beauveria bassiana / g. Measure 9 parts of Beauveria bassiana solutions of 100ml each from 1L of Beauveria bassiana solution, and then add NaCl to them respectively, so that the concentrations of NaCl in the 9 parts of Beauveria bassiana solutions are: 0mmol / L, 25mmol / L, 75mmol / L, 100mmol / L, 125mmol / L, 150mmol / L, 200mmol / L, 250mmol / L, 300mmol / L, sequentially obtain Beauveria bassiana · sodium chloride water dispersion solution, wherein the spore concentration of Beauveria bassiana is 1× 10 8 pcs / mL -1 .

[0018] The toxicity of Beauveria bassiana solution, Beauveria bassiana·NaCl aqueous dis...

Embodiment 2

[0021] Embodiment 2: Beauveria bassiana · sodium chloride aqueous dispersant is to the indoor toxicity determination experiment of red fire ants worker termite

[0022] Take by weighing Beauveria bassiana powder and sodium chloride total 30g (wherein Beauveria bassiana powder and sodium chloride mass ratio are respectively: 5:1.46; 5:4.38; 5:5.84; 5:7.30; 5:8.77; 5:11.69 ; 5:14.61g; 5:17.53, the used Beauveria bassiana powder contains 20 billion / g of Beauveria bassiana spores.), wetting agent pulls open powder 8g, dispersant sodium lignosulfonate 18g, disintegrant calcium chloride 5g, stabilizer disodium hydrogen phosphate 2g, binder sodium polyacrylate 5g, carrier diatomaceous earth 32g, the above raw materials are put into mixing according to the preparation method of water dispersible granules (1, the raw materials are mixed according to the formula; 2, mixed evenly After being sanded by a sand mill and passing the test, spray granulation is carried out; 3. After spray gran...

Embodiment 3

[0031] During the indoor toxicity test, weigh 1 g of Beauveria bassiana powder and 7.5 g of sodium chloride, dissolve them in 1 L of water, and mix them uniformly to obtain a Beauveria bassiana solution. The used Beauveria bassiana powder contains 20 billion spores of Beauveria bassiana / g.

[0032] The indoor toxicity test was carried out according to the method of Example 1, and the results showed that the Beauveria bassiana solution of the present example had a better killing effect on red fire ants.

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Abstract

The invention discloses a biopesticide preparation synergic composition for preventing and controlling solenopsis invicta. The composition comprises beauveria bassiana and sodium chloride, the ratio of the number of spores of beauveria bassiana and sodium chloride to the weight (g) of sodium chloride is (1-8)*200 hundred million:4.0-7.5g. Tests found that beauveria bassiana and sodium chloride are compounded to achieve remarkable synergism effect, good prevention effect, and as well as the effect of efficiently and rapidly preventing and controlling the solenopsis invicta, the composition is non-toxic to human and livestock, free from pollution to soil and underground water resources, as well as extremely safe, so that not only can the effect of killing beauveria bassiana be improved, but also the pesticide resistance enhancement of solenopsis invicta can be prolonged, environment pollution can be reduced, the prevention effect can be increased, the cost can be saved, and the generation of pesticide resistance of insects can be delayed.

Description

Technical field: [0001] The invention belongs to the field of prevention and control of red imported fire ants, and in particular relates to a synergistic composition of biological pesticide preparations for preventing and controlling red imported imported fire ants. Background technique: [0002] Beauveria bassiana: Beauveria bassiana is an ascomycete entomogenic fungus. The high sporopollen of Beauveria bassiana is non-toxic and tasteless, and has no environmental pollution. It has persistent infection power to pests, and once the pests are infected, they can spread continuously. No pesticide residue, even if the product is harvested immediately after the application of Beauveria bassiana, it will not cause any pesticide residues; no resistance, Beauveria bassiana is infected and killed by contact with the body wall of the pest under natural conditions, and the pest will not develop any resistance to it Re-growth, Beauveria bassiana new biopesticide contains living fungi a...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N59/08A01N25/14A01P7/04A01N63/30
CPCA01N25/14A01N59/08A01N63/30
Inventor 李军韩诗畴
Owner INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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