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Natural plant pest control agent and preparation method thereof

A technology of natural plants and insect repellants, applied in the fields of botanical equipment and methods, plant growth regulators, biocides, etc., can solve problems such as affecting human health, adverse crop growth, environmental pollution, etc., and achieve a significant and good insect control effect. Market prospects, easy-to-manufacture effects

Inactive Publication Date: 2017-01-04
台山市兰宝磨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The application of pesticides is one of the important means to prevent and control diseases and insects to ensure the growth of crops. For a long time, chemical pesticides have occupied the leading position in the research and application of pesticides due to their advantages of high efficiency, quick effect and economy. However, with the continuous improvement of scientific understanding People are increasingly aware that the long-term use of chemically synthesized pesticides in large quantities may cause environmental pollution and ecological imbalance, which is more likely to cause human and animal poisoning and affect human health
Not only that, with the abuse of chemical pesticides, the resistance of pests to chemically synthesized pesticides has also increased, which is not conducive to crop growth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The formula of this embodiment is: 1 kg of tobacco stems and tendons, 1 kg of wormwood ash, 1 kg of straw ash, 0.5 kg of quicklime, and 50 kg of clear water.

[0025] Preparation:

[0026] 1) get the tobacco leaves and pulverize with a pulverizer;

[0027] 2) Add water, stir and mix well, and continue heating at 90°C for 30 minutes;

[0028] 3) cooling and standing for 24 hours;

[0029] 4) The mixture is coarsely filtered using a 50-mesh filter screen to remove filter residues;

[0030] 5) Pour the wormwood ash and straw ash into the filtrate, and after fully stirring, filter through a 100-mesh filter;

[0031] 6) Add unslaked lime to the filtrate, after fully reacting and letting it cool, it can be used.

[0032] Use: Add the prepared insect repellent to the watering can, and spray the leaves and backs of the crops. The spraying time should be carried out in the morning and evening, avoiding high temperature, scorching sun and rainy days, in order to achieve the b...

Embodiment 2

[0034] The formula of this embodiment is: 2 kg of tobacco stems and tobacco tendons, 2 kg of Artemisia annua ash, 2 kg of straw ash, and 50 kg of clear water.

[0035] Preparation:

[0036] In this example, the steps of the production method are roughly the same as those in Example 1, but in step 2), an ultrasonic extractor is used to mix the raw materials evenly at 65°C, and the active substance is extracted for 10 minutes; in step 5), a 200-mesh filter is used net to filter,

[0037] The method of use in this embodiment is the same as that in Embodiment 1, and a sprayer can be used for spreading.

[0038] The natural insect repellant of the present invention selects common materials as raw materials, and has little environmental pollution. When in use, the insect repellant is directly sprayed on the leaves of the plants, and is especially suitable for cash crops such as leafy vegetables and tea trees, and has a good market prospect.

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PUM

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Abstract

The invention discloses a preparation method of a natural plant pest control agent. The preparation method comprises the following steps: 1) crushing 1-2 parts of tobacco stems and tobacco ribs; 2) adding 50 parts of clean water, mixing uniformly and then heating; 3) standing after sufficient cooling; 4) coarsely filtering the mixture, and removing filter residue; and 5) adding 3 parts of plant ash into the filtrate, stirring and then filtering again. The natural plant pest control agent prepared from common raw materials is low in environmental pollution, little in residual toxin on crops, simple and convenient to prepare and low in cost, and has a good pest repelling and preventing effect.

Description

technical field [0001] The invention belongs to the field of plant insecticides, and in particular relates to a tobacco lime insecticide and a preparation method thereof. Background technique [0002] The application of pesticides is one of the important means to prevent and control diseases and insects to ensure the growth of crops. For a long time, chemical pesticides have occupied the leading position in the research and application of pesticides due to their advantages of high efficiency, quick effect and economy. However, with the continuous improvement of scientific understanding People are more and more aware that the long-term use of chemically synthesized pesticides in large quantities may cause environmental pollution and ecological imbalance, which is more likely to cause human and animal poisoning and affect human health. Not only that, with the abuse of chemical pesticides, the resistance of pests to chemically synthesized pesticides has also increased, which is...

Claims

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Application Information

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IPC IPC(8): A01N65/38A01N65/12A01P1/00A01P3/00A01P17/00A01N43/40
Inventor 陈德庆
Owner 台山市兰宝磨具有限公司