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Preparation method of pharmaceutical composition for killing thrips

The technology of a composition and a medicine is applied in the field of preparation of a medicinal composition for killing thrips, and can solve the problems such as differences in the resistance and drug resistance of pests, and the insecticidal effect is prone to appear drug-resistant pests, thereby achieving no environmental toxicity, Not resistant to drug resistance, good safety effect

Inactive Publication Date: 2018-04-10
CHENGDU AIBIKE BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this kind of chemical pesticide is promoting green and protecting the environment today, many highly toxic and high residue chemicals have been limited or discontinued. In addition, due to the different types of pests, various pests have different levels of pesticide resistance and resistance. There are large differences, so that the insecticidal effect of chemical agents is prone to drug-resistant pests, so it is necessary to propose insect repellents for different insects to prevent specific insects, but there is no corresponding report so far

Method used

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  • Preparation method of pharmaceutical composition for killing thrips
  • Preparation method of pharmaceutical composition for killing thrips
  • Preparation method of pharmaceutical composition for killing thrips

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This example provides a pharmaceutical composition for killing thrips, including the extracts of Herba baccatum, Zanthoxylum bungeanum extract, camphor extract, root extract of wampum root, nutmeg extract, Gentiana extract, cucumber kernel grass extract, Polygonatum Polygonatum Extract, Zebra Leaf Extract, and Promethrin in the following quantities:

[0024]

[0025]

[0026] Its preparation method: add water to decoct babu, prickly ash, camphor twice, each time for 2 hours, combine the decoction, add ethanol to filter and concentrate, add 2 times the amount of water, fully stir, refrigerate for 48 hours, filter, and the filtrate is concentrated under reduced pressure When the relative density is about 1.30, the medicinal solution is used for later use; the root of japonica, nutmeg, Gentiana quinquefolius, cucumber kernel grass, Polygonatum odoratum, and Zebra leaves are decocted twice, each time for 0.5 hours, combined with the decoction, filtered, and the filtrat...

Embodiment 2

[0029] This example verifies the killing rate of the pharmaceutical composition against thrips compared with common insecticides on the market.

[0030] Select the common insecticides on the market: P. lilacinus water agent, nematicide, special root thread agent, and thiamethoxam insecticide.

[0031] Grouping according to different insecticides, each group prepares 1000 thrips that are in the three stages of eggs, larvae and adults, and then uses insecticides on the thrips in each stage to test each group of insecticides kill rate, as shown in the table below:

[0032] Table 1 The killing effect of insecticides on thrips

[0033]

[0034] It can be seen from the above table that each group of insecticides has the highest killing rate on thrips in the larvae state, and this product has the best insecticidal effect, and the killing effect is remarkable, even the most difficult to kill eggs have a good killing effect .

Embodiment 3

[0036] This example verifies the killing rate of the pharmaceutical composition on various pests.

[0037] Select 10,000 scarabs, beetles, leafhoppers, borers, pear psyllids, scale insects, spinach moths, mole crickets, burdock, and thrips, and group them separately, and use the medicine prepared in Example 1 to make a medicine solution of the same concentration , spray the pests of each group respectively, and after 1 hour, check the killing rate of various pests, the results are shown in the following table:

[0038] Table 2 The killing effect of the drug on various pests

[0039] group

[0040] As can be seen from the above table, the medicine prepared in Example 1 only has a good killing effect on thrips, and has a very limited killing effect on other pests. This proves that this product is highly targeted and can only be used For the extermination of thrips.

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Abstract

The invention discloses a preparation method of a pharmaceutical composition for killing thrips. The method comprises the following steps of 1, preparing raw materials; 2, decocting radix stemonae, Sichuan pepper and camphor with water twice, and reserving pesticide liquid for use; 3, decocting wampee roots, myristica fragrans, gentiana macrophylla, polygala japonica houtt, polygonatum odoratum and callicarpa nudiflora with water twice, filtering the mixture, and concentrating filtrate until the relevant density reaches 1.15; 4, mixing the pesticide liquid; 5, adjusting a pH value of a solution; 6, filtering, filling and sterilizing the pesticide liquid to obtain a pharmaceutical composition. The pharmaceutical composition can be used for eradicating the thrips in a targeted way, is good in security and biodegradation and free of pollutants, pungent odor and environmental toxicity effect, does not break ecological balance and has a small influence on the crop growth environment, and noresidue remains in animals. The pharmaceutical composition interferes with central nervous systems of the whiteflies, restrains the formation and development of whitefly eggs, is not prone to drug resistance and is good in permeability, wettability and fast-acting property and suitable for broad application and promotion in insect pest prevention and controlling.

Description

technical field [0001] The invention belongs to the field of agricultural technology development, and in particular relates to a preparation method of a medicinal composition for killing thrips. Background technique [0002] Chemical agents play an important role in the control of crop diseases and insect pests, but the residues of drugs lead to the deterioration of natural ecosystems, which has become a major issue of international concern and urgently to be solved. In our country, since the 20th century, due to the single use of chemical pesticides, the harmful elements in agricultural products have exceeded the standard, which directly endangers the health and survival of the people. For this reason, the country attaches great importance to and formulated the "Medium and Long-term Science and Technology Development Program Outline" to encourage research and development Environmentally friendly fertilizers and pesticides. Today's farmers' "seeking speed" mentality is not ...

Claims

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Application Information

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IPC IPC(8): A01N65/46A01N53/08A01P7/04
CPCA01N53/00A01N65/00A01N65/46Y02A50/30
Inventor 黄伟
Owner CHENGDU AIBIKE BIOTECH
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