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Safe chemicals application disease prevention method during strawberry harvesting period

A technology for harvesting strawberries, applied in botany equipment and methods, animal repellants, horticulture, etc., can solve the problems of high pesticide residues, lower commodity value, separation of fruits and plants, etc., and achieve no harmful substance residues Effect

Inactive Publication Date: 2012-07-18
SHANGHAI BOCHEN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once strawberries start to mature, they have to be picked every day, otherwise the value of the commodity will be reduced. The serious problem is that it is impossible to separate the fruit from the plant when spraying pesticides, which will inevitably lead to high pesticide residues when strawberries are on the market.
With the increasing resistance of diseases to conventional pesticides, the dosage of pesticides sprayed by farmers is increasing, so that the edible safety of strawberries on the market is becoming more and more problematic

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] For the powdery mildew that occurs during the harvest period of strawberries, add 1.8 liters of acetic acid with a concentration of 36% by 100 kg of water, and 1.6 liters of dehydrated alcohol to prepare acetic acid and ethanol dilutions, and then spray the infected strawberries in all directions. It volatilizes quickly, so the liquid medicine must be prepared within 1 hour before spraying, and the timing of spraying must be at dusk, and spray again after seven days.

Embodiment 2

[0015] For the sclerotinia that occurs during the strawberry harvest period, add 2 liters of acetic acid with a concentration of 36% to 100 kg of water and 1.8 liters of absolute ethanol to prepare a dilution of acetic acid and ethanol, and then spray the infected strawberries in all directions , because ethanol volatilizes quickly, so the liquid medicine must be prepared within 1 hour before spraying, the spraying time must be selected at dusk, and spray again after seven days.

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PUM

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Abstract

Various serious diseases of strawberry occur due to high air humidity, poor illumination and ventilation in environment of facility-protected land. Conventional prevention and treatment method adopts pesticide spraying. Once entering ripening stage, daily harvesting is needed to ensure commercial value. However, separate pesticide spraying of fruit and plant is impossible, resulting in high pesticide residue in strawberry fruit. Aiming at powdery mildew disease and Sclerotinia disease during harvesting period of strawberry, the inventive method includes preparing diluted solution from 100 kg water, 1.8-2 L 36% acetic acid and 1.5-1.8 L anhydrous ethanol, and spraying to infected strawberry, to rapidly treat plant diseases without causing residue of any harmful substances, and satisfy production requirements of green food and organic food standard.

Description

[0001] technical field [0002] The invention belongs to the technical field of strawberry cultivation, and in particular relates to a method for safely preventing and controlling strawberry diseases during strawberry harvesting by spraying dilute acetic acid and ethanol prepared in a certain ratio and concentration. Background technique [0003] Strawberry is also called cranberry, raspberry, ground berry, etc. It is a general term for plants of the genus Stratagem in the Rosaceae family and belongs to perennial herbaceous plants. Strawberry is heart-shaped in appearance, bright in color, soft and juicy, rich in fragrance, sweet and sour, and is a popular seasonal fruit. Strawberry fruit is rich in vitamins and minerals, as well as glucose, fructose, citric acid, malic acid, carotene, riboflavin and so on. In Europe, it is known as the "Queen of Fruits". At present, the total output of strawberry is second only to grapes in berries, and has gradually become a worldwid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G1/00A01N37/02A01N31/02A01P3/00
Inventor 李应超
Owner SHANGHAI BOCHEN BIOTECH
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