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Self-degradable rice insecticide

An insecticide, self-degrading technology, applied in insecticides, biocides, animal repellants, etc., can solve the problems of chemical pesticides with poor insecticidal specificity, long residual effect in the field, and insect resistance. To achieve the effect of controlling pest populations and their hazards, long-lasting efficacy, and stable properties of finished products

Inactive Publication Date: 2018-07-20
浦江海璞食品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low insecticidal specificity of chemical pesticides, the residual effect period in the field is long, and it is easy to induce pests to develop resistance to them, especially the pollution of agricultural products and the environment caused by residual chemical pesticides, resulting in miscarriage of women, baby deformities and induced human Various cancers and other diseases, so the use of biopesticides to control pests is increasingly valued by humans

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The self-degradable rice insecticide has ingredients and parts by weight of 10 parts of Vitex japonica seeds, 10 parts of neem seeds, 2 parts of synergist, 3 parts of centipede, 3 parts of planeweed, and 5 parts of Eupatorium adenophorum. The builder is 50% ramie oil and 50% silicone surfactant.

[0016] 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 .

[0017] The preparation method of self-degradable rice insecticide comprises the following steps:

[0018] 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 taki...

Embodiment 2

[0024] The self-degradable rice insecticide 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 centipede, 3 parts of planeweed, and 6 parts of Eupatorium adenophorum. The builder is 50% ramie oil and 50% silicone surfactant.

[0025] 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 .

[0026] The preparation method of self-degradable rice insecticide comprises the following steps:

[0027] 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 , layerin...

Embodiment 3

[0033] The self-degradable rice insecticide has ingredients and parts by weight of 5 parts of Vitex japonica seeds, 10 parts of neem seeds, 2 parts of synergist, 3 parts of centipede, 3 parts of planeweed, and 6 parts of Eupatorium adenophorum. The builder is 40% ramie oil and 60% silicone surfactant.

[0034] The extraction method of ramie oil is as follows: cut and crush the collected fresh ramie plants, pass through a 50-mesh sieve, take the minced ramie plants, add 5 times the volume of acetone, stir and extract for 7 hours, centrifuge and concentrate under reduced pressure to obtain ramie oil .

[0035] Preparation method of self-degradable rice insecticide, optimization steps:

[0036] 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 pha...

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PUM

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Abstract

The invention discloses a self-degradable rice insecticide. The self-degradable rice insecticide is prepared from components in parts by weight as follows: 5-10 parts of vitex negundo seeds, 8-15 parts of neem seeds, 1-3 parts of a synergist, 1-3 parts of stemona japonica, 1-3 parts of chromolaena odorata and 3-6 parts of ageratina adenophora, wherein the synergist contains 40%-60% of ramie oil and 40%-60% of an organosilicon surfactant. The self-degradable rice insecticide has the following beneficial effects: the components play an obvious coordinating role, so that the insecticide can directly act on fat bodies and midgut cell nuclei of insect larvae and perform rapid replication to cause infection with disease and death of the larvae, meanwhile, epidemic disease can be caused in populations through horizontal infection, pupas and eggs are killed through longitudinal infection, and pest populations and harm are controlled effectively. The pest killing speed is high, and only half day or one day is needed from insecticide spray to death start of pests.

Description

technical field [0001] The invention relates to the field of insecticides, in particular to a self-degradable rice insecticide. Background technique [0002] With the development of modern science and technology, chemical pesticides are widely used because of their advantages such as wide adaptability, simple operation, low cost and remarkable effect. However, due to the low insecticidal specificity of chemical pesticides, the residual effect period in the field is long, and at the same time, it is easy to induce pests to develop resistance to them, especially the pollution of agricultural products and the environment caused by residual chemical pesticides, resulting in miscarriage of women, baby deformities and induced human Various cancers and other diseases, so the use of biopesticides to control pests is increasingly valued by humans. Biological pesticides mainly include microbial-derived pesticides, botanical-derived pesticides, and animal-derived pesticides. Compared...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/46A01N25/30A01P7/04
CPCA01N65/00A01N25/30A01N65/08A01N65/12A01N65/26A01N65/46
Inventor 张毅
Owner 浦江海璞食品科技有限公司
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