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Plant source pesticide and preparation method thereof

A technology of botanical pesticides and onions, applied in the field of pesticides for the prevention and control of crop diseases and insect pests, can solve problems such as endangering human health and life safety, reducing crop quality and flavor, and seriously polluting soil, so as to improve quality, increase photosynthesis, and source broad effect

Inactive Publication Date: 2013-12-11
赵长贵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its high residues are harmful to the human body and increasingly destructive to the environment.
Due to the gradual resistance of harmful organisms to chemical pesticides, the use of pesticides has increased year by year. The average amount per mu is 8-10 kg, and the maximum amount exceeds 15 kg. It seriously pollutes the soil, water, damages the ecological environment, and causes human and animal enrichment through the food chain. Chronic poisoning, endangering human health and life safety
At the same time, chemical pesticides also reduce the quality and flavor of crops
Although the state has invested heavily in the construction of pollution-free vegetable bases, it is still inevitable to use a large amount of chemical pesticides in the actual production process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1, get garlic 20.6kg, cut into the granule of 1.5~2.5mm in diameter, stir in the air for 15~20 minutes, add edible alcohol (42% ethanol content) 8.1kg, the mixture is ground into alcoholic garlic slurry; Get onion 37.7kg, cut into small pieces with a diameter of 7-10mm, ground into a slurry, and mixed evenly with alcohol garlic slurry; take 3.5kg of rhubarb, crush it, extract it with water for 3.5 hours, and filter the residue to obtain the extract; add the extract to onion garlic alcohol slurry, mix well, put it in a sealed container and place it in an environment of 20-25°C, let it stand for 15-20 days, and filter the residue to obtain the liquid product of the present invention.

Embodiment 2

[0012] Embodiment 2, get garlic 16.2kg, cut into the granule of diameter 1.5~2.5mm, stir in the air for 18~20 minutes, add edible alcohol (50% ethanol content) 9.5kg, the steel mill on the mixture grinds into alcohol garlic slurry; Take 31.5kg of onion, cut into small pieces with a diameter of 7-10mm, grind it into a slurry with a steel mill, and mix it evenly with alcohol garlic slurry; take 4.3kg of rhubarb, crush it, extract it with water for 5 hours, and filter the residue to obtain an extract; The liquid is added to the onion garlic alcohol slurry, mixed well, placed in a sealed container at 20-25°C, left to stand for 20 days, and the residue is filtered to obtain the liquid product of the present invention.

Embodiment 3

[0013] Embodiment 3, get garlic 25.5kg, cut into the granule of diameter 1.5~2.5mm, stir in the air for 18~20 minutes, add edible alcohol (60% of ethanol content) 7.3kg, the steel mill on the mixture grinds into alcohol garlic slurry; Take 38.5kg of onion, cut into small pieces with a diameter of 7-10mm, grind it into a slurry with a steel mill, and mix it evenly with alcohol garlic slurry; take 2.8kg of rhubarb, crush it, extract it with water for 4.5 hours, and filter the residue to obtain the extract; The liquid is added to the onion garlic alcohol slurry, mixed well, placed in a sealed container at 20-25°C, left to stand for 15 days, and the residue is filtered to obtain the liquid product of the present invention.

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Abstract

The invention relates to a pesticide used for preventing and controlling crop diseases and insect pests and a preparation method thereof. The pesticide is characterized by comprising the following components in part by weight: 29.5 to 39.6 parts of onion, 15.6 to 26.5 parts of garlic, 2.5 to 4.5 parts of rheum officinale and 6.8 to 9.9 parts of edible alcohol. The preparation method comprises the following steps of: cutting 15.6 to 26.5 parts of the garlic into small granules; turning the garlic in air for 15 to 20 minutes; adding 6.8 to 9.9 parts of the edible alcohol into the garlic granules; grinding a mixture into alcohol garlic slurry; cutting 29.5 to 39.6 parts of the onion into small blocks; grinding the onion into slurry; mixing the slurry and the alcohol garlic slurry uniformly; crashing 2.5 to 4.5 parts of the rheum officinale; extracting for 2 to 5 hours with water; filtering residues to obtain an extract; adding the extract into onion garlic alcohol slurry and mixing uniformly; standing for 15 to 20 days; and filtering the residues to obtain the pesticide.

Description

technical field [0001] The invention relates to a pesticide used for preventing and controlling crop diseases and insect pests, in particular to a plant-derived pesticide which uses plant crops as raw materials and is pollution-free and a preparation method thereof. Background technique [0002] Chemical pesticides are widely used to control crop diseases and insect pests quickly. However, its high residue is harmful to the human body and destructive to the environment. Due to the gradual resistance of harmful organisms to chemical pesticides, the use of pesticides has increased year by year. The average amount per mu is 8-10 kg, and the maximum amount exceeds 15 kg. It seriously pollutes the soil, water, damages the ecological environment, and causes human and animal enrichment through the food chain. Chronic poisoning, endangering human health and life safety. At the same time, chemical pesticides also reduce the quality and flavor of crops. Although the country has inv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/42A01N65/40A01N65/30A01N31/02A01P3/00C05G3/00
CPCY02A50/30
Inventor 赵长贵
Owner 赵长贵
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