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Psylla chinensis killing agent with high permeability

A technology of pear psyllid and permeability, applied in the direction of insecticides, biocides, animal repellants, etc., can solve the problems of easy occurrence of drug-resistant pests in insecticidal effects, differences in pest resistance and drug resistance, etc., which is not easy to achieve Drug resistance, no environmental toxicity, good quick effect

Inactive Publication Date: 2018-02-23
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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  • Psylla chinensis killing agent with high permeability
  • Psylla chinensis killing agent with high permeability
  • Psylla chinensis killing agent with high permeability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The present embodiment provides a good penetrating agent for killing pear psyllids, including extracts of morning glory seeds, soap alum extracts, crane lice extracts, jackbark extracts, huangpi root extracts, radish seed extracts, and banyan bark extracts. extract, chamaejasme extract, solanum extract and diazinon in the following quantities:

[0024]

[0025]

[0026] Its preparation method: add water to decoct morning glory seeds, soap alum, and crane lice twice, each time for 2 hours, combine the decoction, add ethanol to filter and concentrate, add 3 times the amount of water, fully stir, refrigerate for 48 hours, filter, and the filtrate reduces Concentrate under pressure until the relative density is about 1.15, and prepare the medicinal liquid for later use; add water to decoct Qianjinba, huangpigen, radish seed, banyan beard, chamaejasma chamaejasma, and yellow fruit eggplant twice, each time for 1 hour, combine the decoction, filter, Concentrate the filt...

Embodiment 2

[0029] This example verifies the killing rate of the pharmaceutical composition against Psyllium pear 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] Group according to different insecticides, each group prepares 1000 psyllids in the three stages of eggs, larvae and adults, and then uses insecticides on the psyllids in each stage, and tests each group of insecticides kill rate, as shown in the table below:

[0032] Table 1 The killing effect of insecticides on pear psyllid

[0033]

[0034] It can be seen from the above table that each group of insecticides has the highest killing rate on pear psyllids in the larval state. .

Embodiment 3

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

[0037] Select 10,000 pear psyllids, beetles, mole crickets, borer worms, scarabs, scale insects, spodoptera, leafhoppers, pods, and root-knot nematodes, and group them respectively, and use the medicines prepared in Example 1 to make medicines of the same concentration. liquid, 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 pear psyllids, 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 pear psyllid.

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Abstract

The invention discloses a psylla chinensis killing agent with high permeability. The psylla chinensis killing agent is prepared from a semen pharbitidis extract, a melanterite extract, a common carpesium fruit extract, a radix flemingiae extract, a wampee root extract, a semen raphani extract, a ficus microcarpa extract, a radix euphorbiae lantu extract, a solanum xanthocarpum extract and diazinon. The pharmaceutical composition disclosed by the invention can be used for specifically killing psylla chinensis, has the advantages of freeness from toxic and side effects on natural enemies of thepsylla chinensis, high safety, high biodegradability, freeness from pollution and pungent smell, freeness from environmental toxicity, no residues in animals, no damage to biological balance, low influence on the crop growing environment, higher permeability, higher moistening property, capabilities of interfering the central nervous system of the psylla chinensis and restraining synthetic development of worm eggs, non-tendency to pesticide resistance and high fast-acting property, and is suitable for being widely popularized and applied on the aspect of pest prevention and control.

Description

technical field [0001] The invention belongs to the field of agricultural technology development, and in particular relates to an exterminating agent for pear psyllids with good permeability. 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 resolved. 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 s...

Claims

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Application Information

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IPC IPC(8): A01N65/38A01N59/16A01N57/16A01P7/04
CPCA01N57/16A01N59/16A01N65/00A01N65/12A01N65/18A01N65/20A01N65/36A01N65/38Y02A50/30
Inventor 黄伟
Owner CHENGDU AIBIKE BIOTECH
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