Environment-friendly insecticide with nerium indicum and radix euphorbiae lantu
A technology of oleander and insecticide, applied in the directions of insecticide, biocide, animal repellent, etc., can solve the problems of slow effect, poor storage stability, difficult quality control, etc. medicinal effect
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Embodiment 1
[0022] A preparation method of oleander chamaejasma environmental protection insecticide:
[0023] (1) Preparation of oleander extract: Take fresh oleander leaves, wash them, dry them, cut them into pieces, put the broken leaves in an oven at 60°C for drying, and then crush them. Take the dried and crushed leaves and Ethanol was mixed at a mass ratio of 1:5, treated with microwaves for 20s, then soaked at 65°C for 48h, filtered, extracted, and the extract of oleander leaves was extracted, and the ethanol was recovered by distillation in a water bath at 85°C;
[0024] (2) Preparation of chamaejasma extract: Take fresh chamaejasma, wash, dry, cut into pieces, dry the broken leaves in an oven at 60°C, and then crush them. Take the dried and crushed leaves and ethanol to determine the mass. Mix at a ratio of 1:3, treat with microwave for 25s, then soak at 55°C for 50h, filter, extract, extract the chamaejasma chamaejasme extract, distill and recover ethanol in a water bath at 85°C...
Embodiment 2
[0027] A preparation method of oleander chamaejasma environmental protection insecticide:
[0028] (1) Preparation of oleander extract: Take fresh oleander leaves, wash them, dry them, cut them into pieces, put the broken leaves in an oven at 60°C for drying, and then crush them. Take the dried and crushed leaves and Ethanol was mixed at a mass ratio of 1:5, treated with microwaves for 26s, then soaked at 55°C for 48h, then filtered, extracted, extracting oleander leaf extract, and distilled in a water bath at 85°C to recover ethanol;
[0029] (2) Preparation of chamaejasma extract: Take fresh chamaejasma, wash, dry, cut into pieces, dry the broken leaves in an oven at 60°C, and then crush them. Take the dried and crushed leaves and ethanol to determine the mass. Mix at a ratio of 1:3, treat with microwave for 30s, then soak at 50°C for 50h, filter, extract, extract chamaejasma chamaejasme extract, distill and recover ethanol in 85°C water bath;
[0030] (3) Compounding: mix ...
Embodiment 3
[0032] A preparation method of oleander chamaejasma environmental protection insecticide:
[0033] (1) Preparation of oleander extract: Take fresh oleander leaves, wash them, dry them, cut them into pieces, put the broken leaves in an oven at 60°C for drying, and then crush them. Take the dried and crushed leaves and Ethanol was mixed at a mass ratio of 1:5, treated with microwaves for 23s, then soaked at 60°C for 48h, then filtered, extracted, extracting oleander leaf extract, and distilled in a water bath at 85°C to recover ethanol;
[0034] (2) Preparation of chamaejasma extract: Take fresh chamaejasma, wash, dry, cut into pieces, dry the broken leaves in an oven at 60°C, and then crush them. Take the dried and crushed leaves and ethanol to determine the mass Mix at a ratio of 1:3, treat with microwave for 28s, then soak at 54°C for 50h, filter, extract, extract chamaejasma chamaejasme extract, distill and recover ethanol in 85°C water bath;
[0035] (3) Compounding: mix t...
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