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A kind of biopesticide and its preparation process for preventing and controlling tardy-eyed fungus

A biopesticide and tardigrade fungus technology, which is applied in the field of biopesticides for the prevention and control of tardigrade fungi, can solve the problem of excessive pesticide residues in leeks, and achieve the effect of rich raw materials, obvious effects and easy operation

Active Publication Date: 2015-11-18
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, chemical pesticides such as organophosphorus and chlorfluazuron are the main pesticides used for the prevention and control of tardigrades in chives. Since there are no ideal biological pesticides, the pesticide residues in chives are seriously exceeded.

Method used

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  • A kind of biopesticide and its preparation process for preventing and controlling tardy-eyed fungus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Crush the whole ranunculus into 100-200 mesh powder, weigh 2 kg of powder and put it into an extraction tank, pour 12 liters of 55% alcohol, bathe in 60°C water for 60 minutes, then extract with ultrasonic wave for 15 minutes, and filter out the alcohol The extract is ready for use; then pour the buttercup filter residue into 8 liters of 75% alcohol, bathe in water at 60°C for 30 minutes, then extract with ultrasonic waves for 15 minutes, and filter out the alcohol extract for use. Combine the above two alcohol extracts, suck it into a vacuum decompression concentration tank, adjust the temperature to 50°C, and concentrate to a paste, about 0.5 liters. Take the ranunculus concentrated paste out of the concentrated tank, wash the concentrated tank with 2.5 liters of water, and pour the washing liquid into the ranunculus concentrated paste to prepare a 200g / L aqueous solution; take the prepared extract and add 2 kg of Avi per 1L The mycocin dregs are granulated by a wet m...

Embodiment 2

[0024] Crush the whole ranunculus into 100-200 mesh powder, weigh 2 kg of powder and put it into an extraction tank, pour 12 liters of 55% alcohol, bathe in 60°C water for 60 minutes, then extract with ultrasonic wave for 15 minutes, and filter out the alcohol The extract is ready for use; then pour the buttercup filter residue into 8 liters of 75% alcohol, bathe in water at 60°C for 30 minutes, then extract with ultrasonic waves for 15 minutes, and filter out the alcohol extract for use. Combine the above two alcohol extracts, suck it into a vacuum decompression concentration tank, adjust the temperature to 50°C, and concentrate to a paste, about 0.5 liters. Take the ranunculus concentrated paste out of the concentrated tank, wash the concentrated tank with 2.5 liters of water, and pour the washing liquid into the ranunculus concentrated paste to prepare a 200g / L aqueous solution; add 10 kg of Avi to every 1L of the prepared extract The mycocin dregs are granulated by a wet m...

Embodiment 3

[0026] Crush the whole ranunculus into 100-200 mesh powder, weigh 2 kg of powder and put it into an extraction tank, pour 12 liters of 55% alcohol, bathe in 60°C water for 60 minutes, then extract with ultrasonic wave for 15 minutes, and filter out the alcohol The extract is ready for use; then pour the buttercup filter residue into 8 liters of 75% alcohol, bathe in water at 60°C for 30 minutes, then extract with ultrasonic waves for 15 minutes, and filter out the alcohol extract for use. Combine the above two alcohol extracts, suck it into a vacuum decompression concentration tank, adjust the temperature to 50°C, and concentrate to a paste, about 0.5 liters. Take the buttercup concentrate from the concentration tank, wash the concentration tank with 2.5 liters of water, and pour the washing liquid into the buttercup concentrate to prepare a 200g / L aqueous solution; add 12.5 kg of Avi to every 1L of the prepared extract The mycocin dregs are granulated by a wet method. After t...

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Abstract

The invention provides a biopesticide for preventing and treating bradysia hygida. The biopesticide is prepared from buttercup which is widely distributed in the nature and abamectin dreg waste, and does not contain other chemicals, so that the biopesticide does not contain artificial chemical components, has the advantages of good effect, low toxicity, no residue, no drug resistance and environmental friendliness, and is a rare pesticide without chemical additives; the abamectin dreg is rich in organic matters and trace elements, so that the biopesticide has excellent fertilizer efficiency, is a biopesticide with market potentials, and is particularly effective in preventing and treating bradysia hygida.

Description

technical field [0001] The invention relates to a biopesticide for preventing and treating tardigrade fungi and a preparation process thereof, belonging to the field of biopesticides. Background technique [0002] tardy eyed fungus ( Bradysiaodoriphaga Yanget Zhang) larvae, commonly known as leek maggots, are distributed throughout the country and are important pests on leeks. In addition to harming leeks, it also harms onions, garlic, flowers and Chinese herbal medicines. The damage is caused by larvae gathering on the bulbs and tender stems of leeks. The larvae first damage the base of the leaf sheath and the upper end of the bulb; in spring and autumn, they mainly damage the tender stem, causing the root to rot; when the temperature is high in summer, the larvae move down and damage the bulb of leek, causing the entire bulb to rot, and in severe cases, the whole pile of leek dies. [0003] Leek is an important vegetable for human beings. However, the results of years o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/32A01N25/12A01P7/04C05G3/02A01N43/90C05G3/60
Inventor 刘同金李瑞娟于建垒宋国春刘廷利高宗军李如美
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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