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Environment-friendly new material for preventing and controlling pests and preparation method thereof

An environmentally friendly technology for pest control, applied in the field of environmentally friendly new materials for pest control and its preparation, can solve the problems of lack of persistence of pesticides, inability to act on pests for a long time, and achieves increased toughness, not easy to be broken, and increased stability. sexual effect

Inactive Publication Date: 2019-09-20
KUNMING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the insecticide has a lack of persistence and cannot be used for the control of pests for a long time.

Method used

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  • Environment-friendly new material for preventing and controlling pests and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An environmentally friendly new material for pest control, comprising the following raw materials in parts by weight: 3 parts of pyrethrum extract, 0.5 part of Houttuynia cordata extract, 0.5 part of menthol, 1.3 parts of capsaicin, 0.5 part of eucalyptus oil, and 20 parts of bamboo fiber powder 28 parts of rice husk activated carbon powder, 8 parts of montmorillonite, and 26 parts of vermiculite powder.

[0029] The preparation method of the pyrethrum extract is as follows: crush the dried pyrethrum into 30-50 meshes, then carry out supercritical extraction with carbon dioxide, the extraction pressure is 18Mpa, the extraction temperature is 50°C, the extraction time is 2.5 hours, and the extract is separated and collected to obtain the pyrethrum extract things.

[0030] The preparation method of the Houttuynia cordata extract is as follows: crush the dried Houttuynia cordata into 50-80 meshes, then perform supercritical extraction with carbon dioxide, the extraction pr...

Embodiment 2

[0037] An environmentally friendly new material for pest control, comprising the following raw materials in parts by weight: 2 parts of pyrethrum extract, 0.4 part of Houttuynia cordata extract, 0.6 part of menthol, 1.6 parts of capsaicin, 0.4 part of eucalyptus oil, and 20 parts of bamboo fiber powder parts, 25 parts of rice husk activated carbon powder, 10 parts of montmorillonite, and 30 parts of vermiculite powder.

[0038] The preparation method of the pyrethrum extract is as follows: crush the dried pyrethrum into 30-50 meshes, then carry out supercritical extraction with carbon dioxide, the extraction pressure is 20Mpa, the extraction temperature is 40°C, the extraction time is 2 hours, and the extract is separated and collected to obtain the pyrethrum extract things.

[0039] The preparation method of the Houttuynia cordata extract is as follows: crush the dried Houttuynia cordata into 50-80 meshes, then perform supercritical extraction with carbon dioxide, the extract...

Embodiment 3

[0046] An environmentally friendly new material for pest control, comprising the following raw materials in parts by weight: 3.2 parts of pyrethrum extract, 0.4 part of Houttuynia cordata extract, 0.3 part of menthol, 1 part of capsaicin, 0.3 part of eucalyptus oil, and 23 parts of straw fiber powder 28 parts, 28 parts of coconut shell activated carbon powder, 8 parts of montmorillonite, 26 parts of vermiculite powder.

[0047] The preparation method of the pyrethrum extract is as follows: crush the dried pyrethrum into 30-50 meshes, then carry out supercritical extraction with carbon dioxide, the extraction pressure is 15Mpa, the extraction temperature is 50°C, the extraction time is 2.5 hours, and the extract is separated and collected to obtain the pyrethrum extract things.

[0048] The preparation method of the Houttuynia cordata extract is as follows: crush the dried Houttuynia cordata into 50-80 meshes, then carry out supercritical extraction with carbon dioxide, the ext...

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Abstract

The invention provides an environment-friendly new material for preventing and controlling pests and a preparation method thereof. The new material comprises the following raw materials in parts by weight: 2-3.2 parts of pyrethrum extract, 0.4-0.8 part of houttuynia cordata extract, 0.3-0.6 part of menthol, 1-1.6 parts of capsaicin, 0.3-0.6 part of eucalyptus oil, 16-23 parts of plant fiber powder, 20-28 parts of activated carbon powder, 5-10 parts of montmorillonite and 26-35 parts of vermiculite powder. The new material for preventing and controlling the pests prepared by the method can not only effectively kill the pests contacted with the material in a short time, but also has good odor, good pest prevention effect, good slow release effect, long-term effectiveness, easy acquisition of various substances, no pollution to the environment, and environmental friendliness.

Description

technical field [0001] The invention relates to the technical field of pest control, in particular to an environment-friendly new material for pest control and a preparation method thereof. Background technique [0002] There are many kinds of insects with different shapes. They belong to the arthropods in the invertebrates. They are the most numerous animal groups on the earth. They account for more than 50% of all biological species (including bacteria, fungi, and viruses), and their traces are almost everywhere. every corner of the world. Until the beginning of the 21st century, there were more than 1 million species of insects known to mankind, but there are still many species yet to be discovered. Insects are the most diverse and numerous in the animal kingdom, and they have a major impact on agricultural production and human health. [0003] In agricultural production, a variety of insects can adversely affect crop production, such as locusts, aphids, whiteflies, thr...

Claims

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Application Information

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IPC IPC(8): A01N65/28A01N65/12A01N65/08A01N31/06A01N37/18A01N25/12A01N25/08A01P7/04A01P17/00
CPCA01N25/08A01N25/12A01N31/06A01N37/18A01N65/00A01N65/08A01N65/12A01N65/28Y02A50/30
Inventor 刘佳妮余磊陈泽斌苏源张瑜瑜徐胜光钟宇魏薇
Owner KUNMING UNIV
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