Preparation method for mango sapling insecticide
A mango tree and insecticide technology, which is applied in the field of preparation of mango tree sapling insecticides, can solve the problems of chemical pesticides with low insecticidal specificity, long residual effect in the field, and pest resistance, so as to control the population of pests and its hazards, long duration of drug effect, and stable properties of the finished product
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Embodiment 1
[0016] The insecticide for mango tree saplings comprises the following components and parts by weight: 10 parts of Vitex japonica seeds, 10 parts of neem seeds, 2 parts of synergist, 3 parts of saplings, 3 parts of planeweed, and 5 parts of scopolamine. The synergist is 50% ramie oil and 50% Span-20.
[0017] The extraction method of ramie oil is as follows: cut and crush the collected fresh ramie plants, pass through a 50-mesh sieve, take ramie plant powder, add 5 times the volume of acetone, stir and extract for 7 hours, centrifuge and concentrate under reduced pressure to obtain ramie oil .
[0018] The preparation method of mango tree sapling insecticide comprises the following steps:
[0019] 1) Pretreatment: pre-soak the neem seeds / Vitex argentina seeds and then perform steam explosion, the pressure is controlled at 3.5MPa, and the maintenance time is 50s to obtain the explosive neem seeds / Vitex vitex seeds; adding petroleum ether for extraction , layering and taking t...
Embodiment 2
[0025] The insecticide for mango tree saplings has the following components and parts by weight: 8 parts of Vitex japonica seeds, 12 parts of neem seeds, 2 parts of synergist, 2 parts of saplings, 3 parts of planeweed, and 6 parts of scopolamine. The synergist is 50% ramie oil and 50% Span-20 and Tween-80.
[0026] The extraction method of ramie oil is as follows: cut and crush the collected fresh ramie plants, pass through a 50-mesh sieve, take ramie plant powder, add 5 times the volume of acetone, stir and extract for 7 hours, centrifuge and concentrate under reduced pressure to obtain ramie oil .
[0027] The preparation method of mango tree sapling insecticide comprises the following steps:
[0028] 1) Pretreatment: pre-soak the neem seeds / Vitex argentina seeds and then perform steam explosion, the pressure is controlled at 3.5MPa, and the maintenance time is 50s to obtain the explosive neem seeds / Vitex vitex seeds; adding petroleum ether for extraction , layering and ta...
Embodiment 3
[0034] The insecticide for mango tree saplings comprises the following components and parts by weight: 5 parts of Vitex japonica seeds, 10 parts of neem seeds, 2 parts of synergist, 3 parts of saplings, 3 parts of planeweed, and 6 parts of scopolamine. The synergist is 40% ramie oil and 60% Tween-80.
[0035]The extraction method of ramie oil is as follows: cut and crush the collected fresh ramie plants, pass through a 50-mesh sieve, take ramie plant powder, add 5 times the volume of acetone, stir and extract for 7 hours, centrifuge and concentrate under reduced pressure to obtain ramie oil .
[0036] The preparation method of mango tree sapling insecticide, optimization steps:
[0037] 1) Pretreatment: Pre-soak neem seeds / Vitex argentina seeds and then steam explosion, the pressure is controlled at 3.5MPa, and the maintenance time is 50s to obtain neem seed explosives / Vitex vitex seeds explosives; add petroleum ether solution Extraction, layering and taking the upper phase ...
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Abstract
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Application Information
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