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Green solution for preventing fruit tree canker and its preparation method

A technology for canker and fruit trees, applied in the field of fruit tree canker prevention solution and preparation thereof, can solve problems such as inability to eliminate germs, and achieve the effects of preventing and treating fruit tree canker, simple preparation method, and fruit color quality protection

Active Publication Date: 2022-01-25
成都子之源绿能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common chemical insecticides include Bordeaux mixture copper sulfate solution, lime, turpentine mixture, agricultural streptomycin wettable powder, aureomycin water agent, garrinone, donin, and can kill copper ammonia mixture. The mixture of reagents has a control effect of 70-95%. Chemical control can reduce the incidence to a certain extent, but it cannot eliminate the bacteria

Method used

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Examples

Experimental program
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preparation example Construction

[0039] In order to solve the second technical problem of the present invention, the preparation method of the described green solution for preventing fruit tree canker comprises the steps:

[0040] a. Mixing at least one of 30-70 parts by weight of garlic extract, 70-30 parts by weight of Zanthoxylum bungeanum extract and pepper extract, adding a solvent and pulverizing to obtain a uniformly dispersed mixed solution;

[0041] b. Heat the uniformly dispersed mixed solution at 150-200°C for 12-20 hours;

[0042] c. Filtrate the product after hydroheating to remove the filter residue, collect the supernatant to obtain a green solution for preventing fruit tree canker;

[0043] The garlic extract is obtained by a supercritical extraction method; the Zanthoxylum bungeanum extract is obtained by a supercritical extraction method.

[0044] In a specific embodiment, the crushing in step a is ball milling at 600-1000 rpm for 7-12 hours.

[0045] In a specific embodiment, the solid-li...

Embodiment 1

[0050] (1) Preparation of garlic extract by supercritical extraction: peeling garlic → washing → crushing → packaging extraction column → supercritical extraction → reducing the pressure to below the supercritical pressure → collecting garlic extract.

[0051] Preparation of Zanthoxylum bungeanum extract by supercritical extraction method: Peeling Zanthoxylum bungeanum→washing→crushing→packing and extracting column supercritical extraction→reducing pressure→collecting Zanthoxylum bungeanum extract.

[0052] Select 150g of garlic extract, 350g of Zanthoxylum bungeanum extract, and 1000mL of secondary water and mix them with a high-energy ball mill at a solid-to-liquid mass ratio of 1:2 for 5 hours until uniform dispersion; the ball mill speed is 1000rpm.

[0053] (2) Place the evenly dispersed mixed solution in a high-pressure reaction kettle, and boil it with water at 200°C for 12 hours.

[0054] (3) Filtrate the hydroheated product to separate the filter residue, and collect ...

Embodiment 2

[0056] (1), the preparation method of garlic extract and Zanthoxylum bungeanum extract is the same as embodiment 1, choose the garlic extract of 350g, the Zanthoxylum bungeanum extract of 150g, in the ethanol / propanol mixed solvent of 1400mL ethanol / propanol volume ratio 1:1 Mix and pulverize with a high-energy ball mill for 5 hours until uniformly dispersed; the rotational speed of the ball mill is 1000 rpm.

[0057] (2) Place the uniformly dispersed mixed solution in a high-pressure reactor and heat it with water at 200°C for 20 hours.

[0058] (3) Filtrate the hydroheated product to separate the filter residue, and collect the supernatant.

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Abstract

The invention relates to a solution for preventing fruit tree canker and a preparation method thereof, belonging to the technical field of canker pesticides. The green solution for preventing fruit tree canker of the present invention is prepared by the following method: a. mix at least one of 30-70 parts by weight of garlic extract, 70-30 parts by weight of Zanthoxylum bungeanum extract and pepper extract, add Solvent pulverization to obtain a uniformly dispersed mixed solution; b. Heat the uniformly dispersed mixed solution at 150-200°C for 12-20 hours; c. Filter and separate the filter residue after the hydroheated product, and collect the supernatant to obtain a green preventive Fruit tree canker solution; the garlic extract is obtained by a supercritical extraction method; the Zanthoxylum bungeanum extract is obtained by a supercritical extraction method. Adopting the technical solution of the invention has remarkable control effect, achieves the goals of greenness, environmental protection, quality improvement and efficiency increase, and avoids environmental pollution by chemical reagent fungicides.

Description

technical field [0001] The invention relates to a solution for preventing fruit tree canker and a preparation method thereof, belonging to the technical field of canker pesticides. Background technique [0002] Canker disease of fruit trees is one of the important diseases of fruit trees. The pathogen belongs to bacteria, which seriously endangers the health of fruit trees such as citrus, longan, lychee, and apple trees. Canker disease damages leaves, branches, and fruits, often causing fallen leaves and dead branches, and even seedlings dead. When adult fruit trees encounter such diseases, the bacteria will proliferate from the disease spots. As long as the young fruit tree tissue is kept wet for more than 20 minutes, the bacteria can invade through stomata, water pores, lenticels, etc., and proliferate in the stimulated host cells , to promote the growth of host cells, and to rupture the fruit tree tissue, resulting in fruit tree plugging, severe fruit drop, light rot wit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/42A01P1/00
CPCA01N65/00A01N65/42A01N65/36A01N65/08Y02A50/30
Inventor 廖宇龙何伟东
Owner 成都子之源绿能科技有限公司