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Pharmaceutical composition for killing plutella xylostella

A composition and the technology of diamondback moth, which are applied in the field of pharmaceutical compositions for killing diamondback moth, can solve the problems of easy occurrence of drug-resistant pests in the insecticidal effect, differences in pest drug resistance and drug resistance, etc., and achieve drug resistance, No environmental toxicity, small effect

Inactive Publication Date: 2018-02-27
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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  • Pharmaceutical composition for killing plutella xylostella
  • Pharmaceutical composition for killing plutella xylostella
  • Pharmaceutical composition for killing plutella xylostella

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides a pharmaceutical composition for killing Plutella xylostella, including alum extract, dried lacquer charcoal extract, Torreya extract, Polygala extract, Jackia extract, Caperia captilata extract, Inula inula extract , Scrophulariaceae extract, Qingpi extract and Toosendanin, the components are as follows:

[0024]

[0025]

[0026] Its preparation method: decoct alum, dry lacquer charcoal, and torreya twice with water, each time for 2 hours, combine the decoction, add ethanol to filter and concentrate, add 3 times the amount of water, stir fully, refrigerate for 48 hours, filter, and the filtrate is decompressed Concentrate to a relative density of about 1.15, and prepare the liquid medicine for later use; add polygala, jackfruit, capers, inula, scrophulariaceae, and green skin to decoct twice, each time for 1 hour, combine the decoction, filter, and concentrate the filtrate. Let it cool, add ethanol to make the ethanol content 65%, let st...

Embodiment 2

[0029] This example verifies the killing rate of the pharmaceutical composition on diamondback moth 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 diamondback moths in the three stages of eggs, larvae and adults respectively, then uses insecticides respectively on the diamondback moths in each stage, and tests the effect of each group of insecticides kill rate, as shown in the table below:

[0032] Table 1 The killing effect of insecticides on diamondback moth

[0033]

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

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 moths, and diamondback moths, and group them separately, and use the medicine prepared in Example 1 to make a medicinal solution of the same concentration , spray the pests of each group respectively, and after 1 hour, check the killing rate of various pests, and 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 diamondback moth, 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 killing of diamondback moth.

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Abstract

The invention discloses a pharmaceutical composition for killing diamondback moth, including alum extract, dry lacquer charcoal extract, torreya extract, polygala extract, jackfruit extract, caperia japonica extract, and inula inula extract , Scrophulariaceae extract, Qingpi extract and toosendanin. The pharmaceutical composition described in the present invention can kill Plutella xylostella in a targeted manner without any toxic and side effects on natural enemies of Plutella xylostella, has good safety, good biodegradation, no pollution and irritating odor, and no environmental toxicity. There is no residue in the animal body, does not destroy the ecological balance, and has little impact on the crop growth environment; it has good permeability and moisture, interferes with the nervous system of the insect body, inhibits the synthesis and development of insect eggs, and is not easy to develop drug resistance; quick-acting Well, it is suitable for widespread application in pest control.

Description

technical field [0001] The invention belongs to the field of agricultural technology development, and in particular relates to a pharmaceutical composition for killing diamondback moth. 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 suitable,...

Claims

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Application Information

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IPC IPC(8): A01N65/36A01N59/06A01N43/90A01P7/04
CPCA01N65/00A01N43/90A01N59/06A01N65/36
Inventor 黄伟
Owner CHENGDU AIBIKE BIOTECH
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