Preparation method of biopesticide preparation for control of red imported fire ants
A technology of biological pesticides and red fire ants, applied in the fields of botanical equipment and methods, biocides, animal repellants, etc., can solve the problems of slow speed, affecting the insecticidal activity of Beauveria bassiana, low spore germination rate, etc. And convenient transportation, increase insecticidal effect, improve the effect of germination environment
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Embodiment 1
[0025] Example 1: Indoor virulence determination experiment of Beauveria bassiana and sodium chloride compounded red imported fire ants worker termites
[0026] 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 .
[0027]The toxicity of Beauveria bassiana solution, Beauveria bassiana·NaCl aqueous disp...
Embodiment 2
[0030] Embodiment 2: Beauveria bassiana · sodium chloride aqueous dispersant is to the indoor toxicity determination experiment of red fire ants worker termite
[0031] Such as image 3 with Figure 4 As shown, the RIFA control drug preparation mixer of this embodiment includes a liquid container 8, a solid container 4, a rubber gasket 3 and a cover 2, and the solid container 4 is used for opening the upper end and the lower end. A container 5 sealed with aluminum foil composite film, a snap ring 9 is provided on the opening edge of the solid container, and a rubber gasket 6 is placed on the bottle mouth 7 of the liquid container, and the solid container is inserted through the rubber gasket 6 In the bottle mouth 7 of the liquid container, the snap ring 9 is pressed on the rubber gasket 6, the rubber gasket 3 is pressed on the snap ring 9, and the cover 2 presses the rubber gasket 3, the snap ring 9, the rubber The gasket 6 is caught and fixed on the bottle mouth 7 of the li...
Embodiment 3
[0041] 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.
[0042] 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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