Natural bactericide for preventing and curing pear scab and preparation method thereof

A natural fungicide, scab technology, applied in fungicides, botanical equipment and methods, biocides, etc., can solve the problems of accumulation, difficult to degrade, non-degradable, etc., and achieve the effect of abundant raw material sources and low cost

Inactive Publication Date: 2013-11-06
句容市白兔镇沁香果品专业合作社
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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

Method used

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  • Natural bactericide for preventing and curing pear scab and preparation method thereof
  • Natural bactericide for preventing and curing pear scab and preparation method thereof
  • Natural bactericide for preventing and curing pear scab and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The natural fungicide for preventing and treating pear tree scab is made of the following components by weight: 4 parts of rhubarb, 5 parts of Artemisia argyi, 4 parts of Agrimony, 5 parts of betel nut, 2 parts of Coptis chinensis, 1 part of mountain hemp stalk, gallnut 3 parts, 3 parts of Prunella vulgaris, 1.5 parts of Houttuynia cordata, 2 parts of garlic.

[0020] Its preparation method comprises the following steps:

[0021] (1) The raw materials are respectively pulverized, sieved and mixed to obtain a mixture; the raw materials are Guanzhong, Artemisia argyi, Agrimony, Betel nut, Coptis chinensis, Hemp stalk, Gallnut, Prunella vulgaris, Houttuynia cordata and garlic;

[0022] (2) Add 8 times the amount of 95% ethanol aqueous solution to the mixture, heat to 60°C and decoct for 3 hours;

[0023] (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 2-4 hours;

[0024] (4) Fil...

Embodiment 2

[0027] The natural fungicide for preventing and treating pear tree scab is made of the following components by weight: 6 parts of rhizomes, 6 parts of Artemisia argyi, 6 parts of Agrimony, 4 parts of betel nut, 4 parts of Coptis chinensis, 3 parts of mountain hemp stalks, gallnuts 1 part, 1 part of Prunella vulgaris, 0.5 part of Houttuynia cordata, and 1 part of garlic.

[0028] Its preparation method comprises the following steps:

[0029] (1) The raw materials are respectively pulverized, sieved and mixed to obtain a mixture; the raw materials are Guanzhong, Artemisia argyi, Agrimony, Betel nut, Coptis chinensis, Hemp stalk, Gallnut, Prunella vulgaris, Houttuynia cordata and garlic;

[0030] (2) Add 5 times the amount of 95% ethanol aqueous solution to the mixture, heat to 80°C and decoct for 4 hours;

[0031] (3) Filtrate, collect the filtrate, add 5 times the amount of 95% ethanol aqueous solution to the filter residue, heat to 80°C and decoct for 4 hours;

[0032] (4) F...

Embodiment 3

[0035] The natural fungicide for preventing and treating pear tree scab is made of the following components by weight: 5 parts of rhizomes, 4 parts of Artemisia argyi, 5 parts of Agrimony, 6 parts of betel nut, 3 parts of Coptis chinensis, 2 parts of hemp stalks, gallnuts 2 parts, 2 parts of Prunella vulgaris, 1 part of Houttuynia cordata, 3 parts of garlic.

[0036] Its preparation method comprises the following steps:

[0037] (1) The raw materials are respectively pulverized, sieved and mixed to obtain a mixture; the raw materials are Guanzhong, Artemisia argyi, Agrimony, Betel nut, Coptis chinensis, Hemp stalk, Gallnut, Prunella vulgaris, Houttuynia cordata and garlic;

[0038] (2) Add 10 times the amount of 95% ethanol aqueous solution to the mixture, heat to 50°C and decoct for 2 hours;

[0039] (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;

[0040] (4) Filtrate, c...

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PUM

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Abstract

The invention provides a natural bactericide for preventing and curing pear scab. The natural bactericide is composed of following components: dryopteris crasirhitom nakai, tarragon, hairyvein agrimony, betel nut, coptis, alchornea davidii, Chinese gall, prunella vulgaris, cordate houttuynia and garlic. The natural bactericide for preventing and curing pear scab has advantages of wide raw material source and low cost, is composed of pure natural components, not only is non-toxic and non-harmful, but also can effectively prevent and cure pear scab.

Description

technical field [0001] The invention belongs to the field of preventing and controlling diseases and insect pests, and in particular relates to a natural fungicide for preventing and treating pear scab and a preparation method thereof. Background technique [0002] Pear scab is one of the main diseases of pear trees. Pear tree scab mainly damages pear tree leaves, leaf stems, fruits, fruit stems, buds and new shoots. A black moldy substance is produced at the site of the disease, which is the main feature of the disease. The lesions are round and light yellow, and then black mold is formed on the upper surface, and then gradually suberized, sunken and cracked, and the fruit is deformed to produce sunken spots, and black mold grows on it. After the leaves are damaged, round or irregular lesions occur on the back of the leaves along the veins or branches, forming a black mold layer. When the disease is severe, the leaves are covered with black mold, and the lesions on the fr...

Claims

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Application Information

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IPC IPC(8): A01N65/42A01P3/00
Inventor 杨白琴
Owner 句容市白兔镇沁香果品专业合作社
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