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Natural fungicide for prevention and control of strawberry black spot and preparation method thereof

A natural fungicide, black spot technology, applied in the directions of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of accumulation, difficult to degrade, increase the difficulty of control, etc., and achieve a rich source of raw materials and low cost. 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 fungicide for prevention and control of strawberry black spot and preparation method thereof
  • Natural fungicide for prevention and control of strawberry black spot and preparation method thereof
  • Natural fungicide for prevention and control of strawberry black spot and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The natural fungicide for preventing and treating strawberry black spot is made of the following components by weight: 15 parts of garlic, 10 parts of mint, 10 parts of lotus leaf, 10 parts of nepeta, 5 parts of myrobalan, 5 parts of mugwort leaves, and 3 parts of cinnamon , 3 parts of dogwood, 2 parts of bone grass, 2 parts of myrrh.

[0021] Its preparation method comprises the following steps:

[0022] (1) The raw materials are respectively pulverized and sieved and mixed to obtain a mixture; the raw materials are garlic, peppermint, lotus leaf, nepeta, myrobalan, mugwort leaves, cinnamon bark, dogwood, osmanthus and myrrh;

[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, combine the filtrates, concentrate to 1 / 15 of ...

Embodiment 2

[0028] The natural bactericide for preventing and treating strawberry black spot is made of the following components by weight: 20 parts of garlic, 5 parts of mint, 8 parts of lotus leaves, 12 parts of nepeta, 4 parts of myrobalan, 4 parts of mugwort leaves, and 4 parts of cassia bark , 4 parts of dogwood, 3 parts of bone grass, 1 part of myrrh.

[0029] Its preparation method comprises the following steps:

[0030] (1) The raw materials are respectively pulverized and sieved and mixed to obtain a mixture; the raw materials are garlic, peppermint, lotus leaf, nepeta, myrobalan, mugwort leaves, cinnamon bark, dogwood, osmanthus and myrrh;

[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, combine the filtrates, concentrate to 1...

Embodiment 3

[0036] The natural bactericide for preventing and treating strawberry black spot is made of the following components by weight: 10 parts of garlic, 15 parts of mint, 12 parts of lotus leaf, 8 parts of nepeta, 6 parts of myrobalan, 6 parts of mugwort leaves, and 2 parts of cassia bark , 2 parts of dogwood, 1 part of bone grass, 3 parts of myrrh.

[0037] Its preparation method comprises the following steps:

[0038] (1) The raw materials are respectively pulverized and sieved and mixed to obtain a mixture; the raw materials are garlic, peppermint, lotus leaf, nepeta, myrobalan, mugwort leaves, cinnamon bark, dogwood, osmanthus and myrrh;

[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, combine the filtrates, concentrate to ...

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Abstract

A provided natural fungicide for prevention and control of strawberry black spot is prepared from the following components: garlic, mint, lotus leaf, herba schizonepetae, terminalia chebula, artemsia argyi, cassia bark, cornus officinalis, phryma leptostachya, and myrrh. The natural fungicide for prevention and control of strawberry black spot is rich in raw material sources and low in cost, is prepared by adopting the pure natural components, not only is non-toxic and pollution-free, but also can effectively prevent and control strawberry black 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 black spot and a preparation method thereof. Background technique [0002] Strawberry black spot is an important disease of strawberry, which is widely distributed in strawberry production areas in my country. The pathogenic bacteria of strawberry black spot is Alternaria alternata (Fries) Keissler of the subphylum Deuteromycetes. Strawberry black spot fungus survives the winter as mycelium on plants or on ground tissues. Spread by seedlings, etc., and the spores of the bacteria in the environment can also cause infection. High temperature and high humidity weather is conducive to the infection and spread of black spot, and the wet microclimate in the field is conducive to the disease. Heavy cropping field disease increased. Resistance varies between strawberry varieties. [0003] S...

Claims

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Application Information

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IPC IPC(8): A01N65/42A01P3/00
Inventor 赵兰
Owner 赵兰
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