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Natural bactericide for controlling strawberry leaf spot and preparation method thereof

A technology of strawberry snake eye disease and natural fungicides, applied in the direction of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of difficult degradation, accumulation, and increase the difficulty of prevention and control, and achieve low cost and rich sources of raw materials Effect

Active Publication Date: 2014-09-17
赵兰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, when chemical pesticides and fungicides are used, various plant pathogenic bacteria will develop drug resistance and drug resistance, which will increase the difficulty of control and even cause control failure
In addition, chemical pesticides pose a threat to beneficial organisms because they are not selective
Moreover, many chemical pesticides are non-degradable or difficult to degrade, and are easy to accumulate in animals and plants, resulting in the enrichment of pollutants

Method used

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  • Natural bactericide for controlling strawberry leaf spot and preparation method thereof
  • Natural bactericide for controlling strawberry leaf spot and preparation method thereof
  • Natural bactericide for controlling strawberry leaf spot and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The natural bactericide for preventing and treating strawberry snake eye disease is made of the following components by weight: 10 parts of Artemisia argyi, 10 parts of Baibu, 10 parts of rhubarb, 10 parts of Cortex Phellodendri, 5 parts of saponins, 5 parts of dandelion, 5 parts of Asarum, 3 parts of Ginkgo biloba, 2 parts of Croton, 2 parts of Guanzhong.

[0021] Its preparation method comprises the following steps:

[0022] (1) The raw materials are respectively pulverized and sieved and then mixed to obtain a mixture; the raw materials are Artemisia argyi, Radix Ponce, Rhubarb, Cortex Phellodendri, Saponaria, Dandelion, Asarum, Ginkgo Leaf, Croton and Guanzhong;

[0023] (2) Add 8 times the amount of 95% ethanol aqueous solution to the mixture, heat to 60°C and decoct for 3 hours;

[0024] (3) Filtrate, collect the filtrate, add 8 times the amount of 95% ethanol aqueous solution to the filter residue, heat to 60°C and decoct for 2-4h;

[0025] (4) Filtrate, combin...

Embodiment 2

[0028] The natural bactericide for preventing and treating strawberry snake eye disease is made of the following components by weight: 5 parts of Artemisia argyi, 15 parts of Baibu, 8 parts of rhubarb, 12 parts of Cortex Phellodendri, 4 parts of saponins, 6 parts of dandelion, 4 parts of Asarum, 4 parts of Ginkgo biloba, 3 parts of Croton, 1 part of Guanzhong.

[0029] Its preparation method comprises the following steps:

[0030] (1) The raw materials are respectively pulverized and sieved and then mixed to obtain a mixture; the raw materials are Artemisia argyi, Radix Ponce, Rhubarb, Cortex Phellodendri, Saponaria, Dandelion, Asarum, Ginkgo Leaf, Croton and Guanzhong;

[0031] (2) Add 5 times the amount of 95% ethanol aqueous solution to the mixture, heat to 70°C and decoct for 4 hours;

[0032] (3) Filtrate, collect the filtrate, add 5 times the amount of 95% ethanol aqueous solution to the filter residue, heat to 70°C and decoct for 4 hours;

[0033] (4) Filtrate, combin...

Embodiment 3

[0036] The natural bactericide for preventing and treating strawberry snake eye disease is made of the following components by weight: 15 parts of Artemisia argyi, 5 parts of Baibu, 12 parts of Rhubarb, 8 parts of Cortex Phellodendri, 6 parts of Saponins, 4 parts of Dandelion, 6 parts of Asarum, 2 parts of Ginkgo biloba, 1 part of Croton, 3 parts of Guanzhong.

[0037] Its preparation method comprises the following steps:

[0038] (1) The raw materials are respectively pulverized and sieved and then mixed to obtain a mixture; the raw materials are Artemisia argyi, Radix Ponce, Rhubarb, Cortex Phellodendri, Saponaria, Dandelion, Asarum, Ginkgo Leaf, Croton and Guanzhong;

[0039] (2) Add 10 times the amount of 95% ethanol aqueous solution to the mixture, heat to 50°C and decoct for 2 hours;

[0040] (3) Filtrate, collect the filtrate, add 10 times the amount of 95% ethanol aqueous solution to the filter residue, heat to 50°C and decoct for 2 hours;

[0041] (4) Filtrate, comb...

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PUM

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Abstract

A natural bactericide for controlling strawberry leaf spot is prepared from the following compositions: artemisia argyi, stemona sessilifolia, rhubarb, cortex phellodendri, gleditsia sinensis, dandelion, asarum herb, ginkgo biloba, croton seed and rhizoma cyrtomii fortunei. The natural bactericide for controlling strawberry leaf spot is abundant in raw-material source and low is cost, is prepared by employing pure natural compositions, is non-toxic and free of public hazard, and also is capable of effectively controlling strawberry leaf spot.

Description

technical field [0001] The invention belongs to the field of preventing and controlling diseases and insect pests, in particular to a natural fungicide for preventing and treating strawberry snake eye disease and a preparation method thereof. Background technique [0002] Strawberry snake eye disease, also known as purple spot disease and scorch spot disease, is relatively common in my country and is one of the common diseases of strawberry leaves. Sometimes the damage is quite serious. The pathogen of strawberry snake eye disease is Marssonina potentillae (Desmazieres) Magn, and the sexual stage is Diplocarpon earliana (Ellet EV.), which belongs to Ascomycota subphylum. The fungus overwinters on plant diseased tissues or fallen diseased residues with ascus or pycnidium, and releases ascospores or conidia in spring to spread through the air and infect the disease, and the diseased seedlings carry out medium and long-distance distance spread. This disease is a low-temperatu...

Claims

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Application Information

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IPC IPC(8): A01N65/46A01P3/00
Inventor 赵兰
Owner 赵兰
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