Biopesticide for vegetables and preparation method of biopesticide

A technology for biological pesticides and vegetables, applied in the field of compound biological pesticides, can solve the problems of unsatisfactory insecticidal effect, high toxicity of chemical pesticides, human threats, etc., to expand the spectrum of sterilization and insecticide, solve drug resistance, and improve drug efficacy Effect

Active Publication Date: 2014-03-26
QINGDAO BAIRUIJI BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The commonly used chemical pesticides are highly toxic and will have certain residues in crops, thus posing a potential threat to humans
And often use a single formulation of insecticides, the effect of insecticide is not ideal

Method used

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  • Biopesticide for vegetables and preparation method of biopesticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Prescription: 1 part of Fengjiamycin, 50 parts of Tripterygium wilfordii, 60 parts of Rhizoma Aconitum, 40 parts of Aconitum, 50 parts of Coptis oleracea, 40 parts of purslane, 30 parts of Houttuynia cordata, 40 parts of Andrographis paniculata, 2 parts of sodium alginate .

[0019] The preparation method of biopesticide for above-mentioned vegetables, it comprises the steps:

[0020] (1) Wash tripterygium wilfordii, aconitum, coptis, purslane, houttuynia cordata, andrographis paniculata, add 6 times the volume of pure water, decoct twice for 2 hours each time, combine the extracts, and concentrate to 30°C When the relative density is 1.01, the water extract is obtained;

[0021] (2) Wash the Rhizoma officinale, add 8 times the volume of absolute ethanol, reflux and extract twice, each time for 2 hours, combine the extracts, recover ethanol, and concentrate to 30°C with a relative density of 1.01 to obtain an alcohol extract;

[0022] (3) Mix the above water extract a...

Embodiment 2

[0025] Prescription: 1 part of Fengjiamycin, 70 parts of Tripterygium wilfordii, 80 parts of Rhizoma chinensis, 60 parts of Aconitum, 70 parts of Coptis oleracea, 60 parts of purslane, 50 parts of Houttuynia cordata, 60 parts of Andrographis paniculata, 4 parts of methylcellulose share.

[0026] The preparation method of biopesticide for above-mentioned vegetables, it comprises the steps:

[0027] (1) Wash tripterygium wilfordii, aconitum, coptis, purslane, houttuynia cordata, andrographis paniculata, add 8 times the volume of pure water, decoct 3 times for 4 hours each time, combine the extracts, and concentrate to 30°C When the relative density is 1.05, the water extract is obtained;

[0028] (2) Wash the Rhizoma officinale, add 10 times the volume of absolute ethanol, reflux extraction twice, each time for 4 hours, combine the extracts, recover ethanol, and concentrate to 30°C with a relative density of 1.05 to obtain an alcohol extract;

[0029] (3) Mix the above water e...

Embodiment 3

[0032] Prescription: 1 part of Fengjiamycin, 60 parts of Tripterygium wilfordii, 70 parts of Rhizoma Aconitum, 50 parts of Aconitum, 60 parts of Coptis oleracea, 50 parts of purslane, 40 parts of Houttuynia cordata, 50 parts of Andrographis paniculata, carboxymethyl cellulose Sodium 3 parts.

[0033] The preparation method of biopesticide for above-mentioned vegetables, it comprises the steps:

[0034] (1) Wash tripterygium wilfordii, aconitum, coptis, purslane, houttuynia cordata, andrographis paniculata, add 7 times the volume of pure water, decoct twice for 3 hours each time, combine the extracts, and concentrate to 30°C When the relative density is 1.03, the water extract is obtained;

[0035] (2) Wash the Rhizoma officinale, add 9 times the volume of absolute ethanol, reflux extraction twice, each time for 3 hours, combine the extracts, recover ethanol, and concentrate to 30°C with a relative density of 1.03 to obtain an alcohol extract;

[0036] (3) Mix the above water...

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Abstract

The invention discloses a biopesticide for vegetables and a preparation method of the biopesticide. The biopesticide is mainly prepared from the components in parts by weight as follows: 1 part of toyocamycin, 50-70 parts of common threewingnut roots, 60-80 parts of graceful jessamine herb, 40-60 parts of aconite, 50-70 parts of coptis chinensis, 40-60 parts of purslane, 30-50 parts of herba houttuyniae, 40-60 parts of common andrographis herb and 2-4 parts of a suspending agent. Compared with common chemical pesticides in the prior art, the obtained biopesticide for the vegetables has the characteristics of good effect and low toxicity and can be used as an ideal environment-friendly agricultural drug for vegetable protection; meanwhile, the toyocamycin is compounded with traditional Chinese medicine extracts, so that the sterilization and insecticidal spectrum can be enlarged, the efficacy can also be improved, and what's more, the problem of drug resistance caused by long-term usage of single pesticides can be solved.

Description

technical field [0001] The invention relates to a biological pesticide, in particular to a compound biological pesticide mainly made of toyocamycin and various traditional Chinese medicine extracts, which is applied in the field of agriculture. Background technique [0002] Biopesticides refer to living organisms and their metabolites and genetically modified products used to prevent and control harmful organisms such as diseases, insects, and grasses, and can be made into commercial biological source preparations, including bacteria, viruses, fungi, nematodes, plants, natural enemies of insects, Agricultural antibiotics, plant growth regulators and transgenic plants resistant to diseases, insect pests and weeds, etc. Biological pesticides have been used in agricultural production for half a century, but the development has been relatively slow due to various reasons. In recent years, people pay more and more attention to the sustainable development of agricultural producti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/32A01P7/04A01P3/00A01N43/90
Inventor 卞佳林
Owner QINGDAO BAIRUIJI BIOTECH
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