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Application of Betulin in the Preparation of Aphidicide and Aphidicide

A betulin and aphid killing technology, applied in the field of pesticides, can solve the problems of affecting crop yield and quality, interfere with plant photosynthesis, etc., and achieve the effects of significant contact killing activity, simple extraction method, and improved contact killing activity.

Active Publication Date: 2022-07-01
ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The honeydew excreted by aphids on the leaves can easily induce mildew, interfere with the photosynthesis of plants, and seriously affect the yield and quality of crops

Method used

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  • Application of Betulin in the Preparation of Aphidicide and Aphidicide
  • Application of Betulin in the Preparation of Aphidicide and Aphidicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A betulin plant aphidicide is composed of the following components in parts by weight: 50 parts of N-methylpyrrolidone, 10 parts of betulin, 30 parts of turpentine, and 10 parts of Tween 85 with an HLB value of 15.

[0025] The preparation method is as follows: firstly dissolving betulin with N-methylpyrrolidone, then adding Tween 85 and turpentine to mix well.

Embodiment 2

[0027] A betulin plant aphidicide is composed of the following components in parts by weight: 50 parts of N-methylpyrrolidone, 5 parts of betulin, 30 parts of turpentine, and 15 parts of Tween 85 with an HLB value of 15.

[0028] The preparation method is as follows: firstly dissolving betulin with N-methylpyrrolidone, then adding Tween 85 and turpentine to mix well.

Embodiment 3

[0030] A betulin plant aphidicide is composed of the following components in parts by weight: 50 parts of N-methylpyrrolidone, 15 parts of betulin, 30 parts of turpentine, and 5 parts of Tween 85 with an HLB value of 15.

[0031] The preparation method is as follows: firstly dissolving betulin with N-methylpyrrolidone, then adding Tween 85 and turpentine to mix well.

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Abstract

The invention discloses the application of betulin in the preparation of aphidicide and the aphidicide. Compared with traditional pesticides, the betulin plant aphidicide of the present invention has the following characteristics and advantages: 1. Betulin is abundant in nature, especially in plants with high content, low toxicity, easy degradation, and environmental safety; 2. Betulin can be extracted by supercritical carbon dioxide method, and the extraction method is relatively simple; 3. Betulin can be dissolved in various solvents due to its physical and chemical characteristics, and it is easy to be mixed with other aphid killing ingredients. The role of the aphid effect. The experimental results show that betulin has significant contact killing activity against Myzus persicae, and with the increase of the concentration, the indoor contact killing activity against Myzus persicae is greatly improved. Therefore, the present invention provides a harmonious pesticide that is safe for humans and animals and is environmentally friendly, which has far-reaching significance for the long-term development of the ecological environment, human health, full utilization of environmental resources and comprehensive treatment of diseases.

Description

technical field [0001] The invention relates to the application of betulin in the preparation of aphidicide and the aphidicide, and belongs to the field of pesticides. Background technique [0002] Myzus persicae Sülzer, also known as Myzus persicae Sülzer, also known as Myzus persicae Sülzer, also known as Myzus persicae Sülzer, belongs to the order Homoptera, Aphididae. The peach aphid has a wide distribution and occurs in North Korea, Japan, Indonesia, India, North America, Europe, Africa and other places. It is one of the most widely distributed aphids in the world and is distributed in major peach producing areas in my country. The peach aphid has a wide host range and can feed on more than 400 kinds of plants in more than 50 families, mainly including peach, plum and other Rosaceae plants, rape and other cruciferous plants, tobacco, potatoes and other Solanaceae plants. In addition, the green peach aphid has strong virus transmission ability, and can transmit 115 kind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N45/00A01N25/30A01P7/04
CPCA01N45/00A01N25/30
Inventor 王力荣王君秀李勇曹珂朱更瑞王新卫吴金龙陈昌文方伟超
Owner ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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