Preparation for effectively preventing and controlling sweet potato underground pests and preparation method thereof
A technology for underground pests and sweet potatoes, which is applied in the fields of botanical equipment and methods, pesticides, biocides, etc., and can solve problems such as grub pests
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Embodiment 1
[0024] The preparation method of the preparation of effectively preventing and controlling sweet potato underground pests described in the present embodiment comprises the steps:
[0025] (1) get umbelliferone 20g and be dissolved in the ethanol solution of volume concentration 50%, obtain mass concentration and be umbelliferone solution of 30wt%, standby;
[0026] (2) Take 100 g of fluorite crushed to the micron level, and completely immerse in the umbelliferolide solution, fully mix and immerse until the ethanol volatilizes completely;
[0027] (3) The impregnated fluorite is dried at a low temperature of 30-40° C. and ground to a particle size of less than 1 mm.
Embodiment 2
[0029] The preparation method of the preparation of effectively preventing and controlling sweet potato underground pests described in the present embodiment comprises the steps:
[0030] (1) get umbelliferone 25g and be dissolved in the ethanol solution of volume concentration 60%, obtain mass concentration and be the umbelliferone solution of 30wt%, standby;
[0031] (2) Take 100 g of fluorite crushed to the micron level, and completely immerse in the umbelliferolide solution, fully mix and immerse until the ethanol volatilizes completely;
[0032] (3) The impregnated fluorite is dried at a low temperature of 30-40° C. and ground to a particle size of less than 1 mm.
Embodiment 3
[0034] The preparation method of the preparation of effectively preventing and controlling sweet potato underground pests described in the present embodiment comprises the steps:
[0035] (1) Get umbelliferone 30g and be dissolved in the ethanol solution of volume concentration 70%, obtain mass concentration and be umbelliferone solution of 30wt%, standby;
[0036] (2) Take 100 g of fluorite crushed to the micron level, and completely immerse in the umbelliferolide solution, fully mix and immerse until the ethanol volatilizes completely;
[0037] (3) The impregnated fluorite is dried at a low temperature of 30-40° C. and ground to a particle size of less than 1 mm.
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