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High efficiency germicide of botrytis cinerea and preparation method thereof

A tomato gray mold and fungicide technology, applied in the direction of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of reduced efficacy of fungicides, impact on yield, rapid spread, etc., to achieve large dosage and long time to overcome , Obvious bactericidal effect

Inactive Publication Date: 2014-03-05
李文斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Botrytis cinerea is an important worldwide disease caused by Botrytis cinerea, a fungus belonging to the subphylum Deuteronomyces. It mainly damages fruits and spreads rapidly after the onset, posing a great threat to tomato production; especially in winter and spring protected areas. Tomatoes are often severely damaged due to low temperature, high humidity, and climate change. When the disease is severe, the stems and leaves will die and a large number of rotten flowers and fruits will directly affect the yield. Generally, the tomato yield can be reduced by 20% to 30%, or even 50%. , so Botrytis cinerea has become a major limiting factor for tomato production in protected areas
From the 1970s to the 1990s, benzimidazoles, dimethylamides and anilinopyrimidine fungicides were successively used for the control of Botrytis cinerea. different degrees of drug resistance, which greatly reduces the effectiveness of fungicides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high-efficiency fungicide for tomato gray mold, the parts by weight of each component are:

[0021] 15 parts of eugenol, 8 parts of procymidone, 6 parts of cocklebur ethanol extract, 3 parts of difatty sulfosuccinate, 3 parts of tricosyl sodium sulfosuccinate, 23 parts of ethanol, 42 parts of water.

[0022] Its preparation method comprises the following steps:

[0023] Wash the stems and leaves of cocklebur and put them in a cool place to dry, dry them at 60°C, grind them thoroughly with a pulverizer and sieve them through a 60-mesh sieve, take the pulverized samples and use ethanol as a solvent to extract them under continuous reflux for 48 hours, then concentrate them to a solid The substance content is 25%; the above substances are added into the reactor according to the stated ratio, stirred at 45°C for 2.5h, and filled to obtain a high-efficiency fungicide for tomato gray mold.

Embodiment 2

[0025] A high-efficiency fungicide for tomato gray mold, the parts by weight of each component are:

[0026] 13 parts of eugenol, 6 parts of procymidone, 8 parts of cocklebur ethanol extract, 3 parts of difatty sulfosuccinate, 3 parts of tricosyl sodium sulfosuccinate, 25 parts of ethanol, 42 parts of water.

[0027] Its preparation method comprises the following steps:

[0028] Wash the stems and leaves of cocklebur and put them in a cool place to dry, dry them at 60°C, grind them thoroughly with a pulverizer, and sieve them through a 55-mesh sieve, take the pulverized samples and use ethanol as a solvent to extract them by continuous reflux for 48 hours, and then concentrate them to a solid The substance content is 20%; the above substances are added into the reactor according to the stated ratio, stirred at 45°C for 2.5h, and filled to obtain a high-efficiency fungicide for tomato gray mold.

Embodiment 3

[0030] A high-efficiency fungicide for tomato gray mold, the parts by weight of each component are:

[0031] 15 parts of eugenol, 6 parts of procymidone, 8 parts of cocklebur ethanol extract, 3 parts of difatty sulfosuccinate, 3 parts of tricosyl sodium sulfosuccinate, 23 parts of ethanol, 42 parts of water.

[0032] Its preparation method comprises the following steps:

[0033] Wash the stems and leaves of cocklebur and put them in a cool place to dry, dry them at 60°C, grind them thoroughly with a pulverizer, and sieve them through a 55-mesh sieve, take the pulverized samples and use ethanol as a solvent to extract them by continuous reflux for 48 hours, and then concentrate them to a solid The substance content is 20%; the above substances are added into the reactor according to the stated ratio, stirred at 40°C for 1.5h, and filled to obtain a high-efficiency fungicide for tomato gray mold.

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PUM

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Abstract

The invention relates to a high efficiency germicide of botrytis cinerea and a preparation method thereof, which belongs to the technical field of pesticide processing, wherein the high efficiency germicide of botrytis cinerea comprises the components in parts by weight: 10-15 parts of eugenol, 5-8 parts of procymidone, 5-8 parts of Siberian cocklebur ethanol extract, 1-3 parts of sulfosuccinate diester, 1-3 parts of sulfosuccinate sodium tricosyl, 20-25 parts of ethanol and 40-45 parts of water. The preparation method comprises: reflux extracting Siberian cocklebur stem leaves through ethanol, then, adding the substances into a reactor according to a proportion, stirring for 1.5-2.5 hours at 40-45 DEG C, and filling to obtain the high efficiency germicide of botrytis cinerea. The high efficiency germicide is obvious in effect, long in service life and low residue.

Description

technical field [0001] The invention relates to a fungicide, in particular to a high-efficiency fungicide for tomato gray mold and a preparation method thereof, belonging to the technical field of pesticide processing. Background technique [0002] Today, the global pesticide market continues to increase, and the sales of the pesticide market are as high as 30 billion US dollars, with an annual growth rate of 1.2%. With the development of China's agricultural modernization and the gradual transfer of agricultural labor force, cultivation methods tend to be large-scale and intensive, and the demand for pesticides has increased significantly. In the 20th century, with the rapid development of agriculture, pesticides greatly increased agricultural output. Fungicides are a class of pesticides used to prevent and control plant diseases caused by various pathogenic microorganisms. They generally refer to fungicides, but in the international arena, they are usually used as a gene...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01P3/00A01N37/32A01N31/16
Inventor 李文斌
Owner 李文斌
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