Sweet potato pesticide
An insecticide and sweet potato technology, applied in the direction of insecticide, biocide, animal repellent, etc., can solve the problems of environmental pollution, high toxicity of chemicals, low safety, etc., and achieve easy popularization and application, rapid onset of effect, easily degradable effect
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Embodiment 1
[0022] Prescription: 25 parts of camphor leaves, 15 parts of garlic, 12 parts of purslane, 5 parts of Artemisia annua.
[0023] Preparation method: 1) Extract volatile oil from camphor tree leaves, garlic, purslane, and Artemisia annua in the prescribed amount, add 8 times of water, extract for 5 hours, collect volatile oil, water extract, and medicinal residue for later use.
[0024] 2) The collected volatile oil and cyclodextrin were clathrated at a ratio of 1:4, the clathrate time was 1 hour, and the clathrate temperature was 50°C; the clathrate was filtered, dried, and passed through an 80-mesh sieve for later use.
[0025] 3) Continue decocting the dregs after extracting the volatile oil, add 6 times of water, extract for 1 hour, and extract twice; collect the water extract, filter, concentrate, dry, and pass through an 80-mesh sieve to obtain extract powder.
[0026] 4) Mix the obtained clathrate and extract powder evenly, add starch, dextrin, and 70% ethanol to make sof...
Embodiment 2
[0028] Prescription: 28 parts of camphor leaves, 20 parts of garlic, 8 parts of purslane, and 8 parts of Artemisia annua.
[0029] Preparation method: 1) Extract volatile oil from camphor tree leaves, garlic, purslane, and Artemisia annua in the prescribed amount, add 10 times of water, extract for 5 hours, collect volatile oil, water extract, and medicinal residue for later use.
[0030] 2) The collected volatile oil and cyclodextrin were clathrated at a ratio of 1:6, the clathrate time was 1 hour, and the clathrate temperature was 55°C; the clathrate was filtered, dried, and passed through an 80-mesh sieve for later use.
[0031] 3) Continue decocting the medicinal dregs after extracting the volatile oil, add 7 times of water, extract for 2 hours, and extract twice; collect the water extract, filter, concentrate, dry, and pass through an 80-mesh sieve to obtain extract powder.
[0032] 4) Mix the obtained clathrate and extract powder evenly, add starch, lactose, and 70% etha...
Embodiment 3
[0034] Prescription: 28 parts of camphor leaves, 22 parts of garlic, 6 parts of purslane, 10 parts of Artemisia annua.
[0035] Preparation method: 1) Extract volatile oil from camphor tree leaves, garlic, purslane, and Artemisia annua in the prescribed amount, add 8 times of water, extract for 6 hours, collect volatile oil, water extract, and medicinal residue for later use.
[0036] 2) The collected volatile oil and cyclodextrin were clathrated at a ratio of 1:5, the clathrate time was 1 hour, and the clathrate temperature was 50°C; the clathrate was filtered, dried, and passed through an 80-mesh sieve for later use.
[0037] 3) Continue decocting the medicinal dregs after extracting the volatile oil, add 10 times of water, extract for 1.5 hours, and extract once; collect the water extract, filter, concentrate, dry, and pass through an 80-mesh sieve to obtain extract powder.
[0038] 4) Mix the obtained clathrate and extract powder evenly, add starch, dextrin, and 75% ethano...
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