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A kind of botanical pesticide for preventing and treating aphid and its application

A technology of botanical pesticides and aphids, which is applied in the field of botanical pesticides, can solve the problems of drug resistance of aphids, easy pollution of the environment, and large pesticide residues in tobacco leaves, etc., achieves significant toxic effects, simple preparation methods, and good control effects Effect

Active Publication Date: 2015-11-18
CHINA TOBACCO HUNAN INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problems that the chemical pesticides used in the prior art to prevent and control aphids are likely to cause drug resistance of aphids, easily pollute the environment, and have a large amount of pesticide residues in tobacco leaves. Botanical pesticides that produce drug resistance, no pollution to the soil and environment of tobacco planting, and no residue on tobacco leaves

Method used

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  • A kind of botanical pesticide for preventing and treating aphid and its application
  • A kind of botanical pesticide for preventing and treating aphid and its application
  • A kind of botanical pesticide for preventing and treating aphid and its application

Examples

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Effect test

Embodiment 1

[0033] Indoor Joint Toxicity Determination of Combination of Cinnamomum osmanthus Oil, Cinnamomum officinalis Oil and Vitex Vitex Oil to Aphids persicae

[0034] Materials and methods: The material used in the test is tobacco leaves with aphids, and the test method is the method of soaking leaves with insects. All treatments were repeated 3 times, and a control treatment was set up. The specific steps are as follows, the first step is to determine the LC 50 Value: first dissolve the above three oils and their compound mixtures with a small amount of acetone, then make mother liquors with water, and then dilute the mother liquors with water into 6 dilutions with different concentrations; Put them together in different dilutions and soak them for 5 seconds, take out the aphids and tobacco leaves and blot the excess liquid with absorbent paper, and put them together into the culture dishes covered with filter paper that have been moisturized, so that each culture dish has 40 to...

Embodiment 2

[0041] Preparation of 50% Maogui·Haizhou Rhizome·Vitex Vitex Oil EC

[0042] Firstly, the steam distillation method was used to extract the laurel oil, the oil of vetch and the oil of Vitex officinalis from the leaves of laurel laurel, the whole herb of Vitex pilosula and the leaves of Vitex officinalis respectively. At 20-25°C, take 25 parts of cinnamon oil, 15 parts of fenugreek oil, and 10 parts of Vitex trichomes oil, mix the three evenly, and then add 12 parts of organic silicon, 26 parts of organic diesel oil, and 8 parts of Sodium dodecylbenzene sulfonate, 1.5 parts of octylphenol polyoxyethylene ether and 2.5 parts of styrene ethylphenol polyoxyethylene polyoxypropylene ether were stirred for 25 minutes at a stirring speed of 900 rpm to obtain 50% wool For the emulsifiable concentrates of Gui·Haizhou Xiangrui·Vitex vitifolia oil, the stability and appearance of the preparations were tested, and after passing the test, they were packaged to obtain the finished emulsifia...

Embodiment 3

[0044] Preparation of 40% Maogui·Haizhou Rhizome·Vitex Vitex Oil Microemulsion

[0045] Firstly, the steam distillation method was used to extract the laurel oil, the oil of vetch and the oil of Vitex officinalis from the leaves of laurel laurel, the whole herb of Vitex pilosula and the leaves of Vitex officinalis respectively. At 20-25°C, take 20 parts of cinnamon oil, 12 parts of fenugreek oil, and 8 parts of Vitex argentina oil, mix the three evenly, and then add 6 parts of organic silicon and 13 parts of dodecylbenzene in sequence. Calcium sulfonate, 5 parts of phenylethylphenol polyoxyethylene ether, 5 parts of ethylene glycol, and then add 31 parts of deionized water, mix well, and stir at a stirring speed of 900 rpm for 25 minutes to obtain 40% Maogui ·Haizhou Xiangrui·Vitex vitae oil microemulsion, the stability and appearance of the preparation are tested, and after passing the test, the microemulsion product is obtained.

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Abstract

The invention discloses a botanical pesticide capable of preventing myzus persicae and an application of the botanical pesticide. The botanical pesticide is a composition which is prepared from appelianum oil, elsholtzia splendens oil and Vitex canescens oil, is added with an accessory ingredient to prepare a missible oil agent, a microemulsion or an emulsion in water. The botanical pesticide has a remarkable prevention effect on the myzus persicae, has no residue on tobacco leaves, improves the quality of the tobacco leaves, is harmless to the environment, natural enemies of the myzus persicae, people and livestock and has the strong practicability.

Description

technical field [0001] The invention discloses a botanical pesticide for preventing and treating aphids and an application thereof, belonging to the technical field of botanical pesticides. Background technique [0002] Smoke aphid (Myzuspersicae Sulzer) is one of the main pests affecting the growth and development of tobacco. It reproduces quickly and in large numbers, and can occur in various growth stages of tobacco. The damage caused by aphids to the growth and development of tobacco can be divided into direct damage and indirect damage. Direct damage means that aphids use their piercing-sucking mouthparts to suck the juice of young tobacco leaves, and at the same time secrete honeydew to pollute the tobacco leaves, inducing tobacco to produce soot disease. The surface of tobacco leaves will be blackened and the quality will be reduced; indirect damage refers to the spread of tobacco cucumber mosaic (CMV), tobacco etch virus (TEV), potato virus Y (PVY) and other diseases...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/24A01P7/04
CPCY02A50/30
Inventor 简永兴彭映辉
Owner CHINA TOBACCO HUNAN INDAL CORP
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