Pharmaceutical composition for killing ostrinia nubilalis

A composition, the technology of corn borer, applied in the direction of insecticide, biocide, animal repellent, etc., can solve the problems of insecticidal effect, such as easy occurrence of drug-resistant pests, pest resistance and difference in drug resistance, which is not easy to achieve Drug resistance, no environmental toxicity, good quick effect

Inactive Publication Date: 2018-04-06
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 r

Method used

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  • Pharmaceutical composition for killing ostrinia nubilalis
  • Pharmaceutical composition for killing ostrinia nubilalis
  • Pharmaceutical composition for killing ostrinia nubilalis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This example provides a pharmaceutical composition for killing corn borer, including Rhododendron extract, Tripterygium officinalis extract, pomegranate bark extract, camphor willow head extract, herringbone extract, banyan beard extract, Dipsacus extract, Dipsacus extract, Coptidis Rhizoma extract and Veratrine in the following quantities:

[0024]

[0025]

[0026] Its preparation method: decoct Guanzhong, Tripterygium wilfordii, and pomegranate peel with water twice, 2 hours each time, combine the decoction, add ethanol to filter and concentrate, add 3 times the amount of water, stir well, refrigerate for 48 hours, filter, and the filtrate reduces Concentrate under pressure until the relative density is about 1.15, and prepare the liquid medicine for later use; add water to decoct for two times, each time for 1 hour, combine the decoction, filter, Concentrate the filtrate, let it cool, add ethanol to make the ethanol content 65%, let stand overnight, filter, co...

Embodiment 2

[0029] This example verifies the killing rate of the medicinal composition against corn borer 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 corn borers in the three stages of eggs, larvae and adults respectively, and then uses insecticides respectively on the corn borers 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 corn borer

[0033]

[0034] It can be seen from the above table that each group of insecticides has the highest killing rate on the corn borer 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 also have a good kil...

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 corn borers, 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 corn borer, 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 corn borer.

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PUM

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Abstract

The invention discloses a pharmaceutical composition for killing corn borer, which comprises extracts of rhubarb root, tripterygium twig extract, pomegranate peel extract, camphor willow head extract, herringbone extract, banyan beard extract, Dipsacus extract, Dipsacus extract, Coptis chinensis extract and Veratrine. The pharmaceutical composition described in the present invention can kill corn borer in a targeted manner, without any toxic and side effects on natural enemies of corn borer, has good safety, good biodegradation, no pollution and irritating smell, 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 corn borer. 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, and m...

Claims

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Application Information

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IPC IPC(8): A01N65/48A01N43/90A01P7/04
CPCA01N65/00A01N43/90A01N65/48
Inventor 黄伟
Owner CHENGDU AIBIKE BIOTECH
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