Botanical sterilization preparation and application thereof in prevention and control of blight of vegetables

A plant source and preparation technology, applied in the direction of fungicides, plant growth regulators, chemicals for biological control, etc., can solve the problems of polluted environment, pesticide residues, etc., and achieve simple production process, good quality and broad application prospects Effect

Active Publication Date: 2016-10-12
SHANXI AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, chemical control is the main means of preventing and controlling vegetable wilt. Chemical control has the characteristics of quick effect and good effect. However, the well-known pesticide residues and environmental pollution caused by chemical control have attracted more and more attention.

Method used

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  • Botanical sterilization preparation and application thereof in prevention and control of blight of vegetables
  • Botanical sterilization preparation and application thereof in prevention and control of blight of vegetables

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The preparation of the double-sided needle extract comprises the following steps:

[0037] (1) Take the underground part of Liangmianzhen, clean it, drain it, dry it fully in the shade, and then crush it through a 60-mesh sieve;

[0038] (2) Weigh a certain weight of the double-faced needle powder prepared in (1) and pour it into a multi-functional extraction tank, take 95% ethanol with a weight / volume ratio of 1:4 times of the double-faced needle powder into the multi-functional extraction tank, and repeatedly percolate for 8 hour, then solid-liquid separation, repeated 3 times, combined liquid;

[0039] (3) Recover the ethanol from the liquid obtained in (2) under reduced pressure, and stop the distillation when the specific gravity of the concentrate reaches 1.1-1.2 to obtain the LMZ extract;

[0040] (4) Dilute the LMZ extract obtained in (3) with water with a weight-volume ratio of 3 times the extract, then add petroleum ether with a weight-volume ratio of 5 times...

Embodiment 2

[0043] The preparation of the double-sided needle extract comprises the following steps:

[0044] (1) Take the underground part of Liangmianzhen, clean it, drain it, dry it fully in the shade, and then crush it through a 60-mesh sieve;

[0045](2) Weigh a certain weight of the double-faced needle powder prepared in (1) and pour it into a multi-functional extraction tank, take 95% ethanol with a weight / volume ratio of 1:6 times of the double-faced needle powder into the multi-functional extraction tank, and repeatedly percolate for 10 hour, then solid-liquid separation, repeated 2 times, combined liquid;

[0046] (3) Recover the ethanol from the liquid obtained in (2) under reduced pressure, and stop the distillation when the specific gravity of the concentrate reaches 1.1-1.2 to obtain the LMZ extract;

[0047] (4) Dilute the LMZ extract obtained in (3) with water with a weight-to-volume ratio of 4 times the extract, then add petroleum ether with a weight-to-volume ratio of 6...

Embodiment 3

[0050] The method for preparing the plant-derived bactericidal preparation is: take 10 parts by weight of the LMZ extract prepared in Example 1 or 2, 1 part by volume of 95% ethanol and 20 parts by volume of sterile water, stir evenly, bottle and pack.

[0051] The application method of using the botanical bactericidal preparation prepared above to prevent and control vegetable wilt is as follows: take the above-mentioned botanical bactericidal preparation of the extract of Liangmianzhen, add 250 times the volume of clean water, and stir evenly to irrigate the roots.

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PUM

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Abstract

The invention discloses a botanical sterilization preparation. The botanical sterilization preparation comprises 10 parts by weight of Zanthoxylum nitidum extract, 1-2 parts by volume of an organic solvent and 20-30 parts by volume of sterile water. The invention also discloses a preparation method of the botanical sterilization preparation. The preparation method of the botanical sterilization preparation comprises the following steps: uniformly stirring 10 parts by weight of the Zanthoxylum nitidum extract, 1-2 parts by volume of the organic solvent and 20-30 parts by volume of sterile water, bottling the obtained mixture, and packaging the bottled mixture. The organic solvent is one or a mixture of ethanol and methanol. A method for applying the botanical sterilization preparation to prevention and control of blight of vegetables comprises the following steps: extracting the otanical sterilization preparation containing the Zanthoxylum nitidum extract, adding purified water with the volume 200-250 times the volume of the Zanthoxylum nitidum extract, uniformly stirring the purified water and the Zanthoxylum nitidum extract, and irrigating roots with the obtained solution.

Description

technical field [0001] The invention belongs to the technical field of plant protection, and in particular relates to a botanical fungicidal preparation with liangmianzhen extract as an active ingredient, and the application of the botanical fungicidal preparation in preventing and treating vegetable wilt. Background technique [0002] Fusarium wilt of vegetables, such as tomato fusarium wilt, cucumber wilt, pepper wilt, eggplant wilt, etc. are caused by Fusarium oxysporum ( Fusarium oxysporum ) caused by worldwide soil-borne diseases, is one of the main diseases of vegetable production, and has occurred in vegetable producing areas in our country. The damage of Fusarium wilt is increasing year by year. The incidence rate is 20% to 40% in normal years, and it is more than 80% in serious years or even no harvest. Vegetable Fusarium wilt has become the main disease in vegetable production. Vegetable wilt caused by Fusarium oxysporum can occur from seedlings to mature vegetabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/36A01P3/00
CPCA01N65/36
Inventor 程作慧刘耀华李锐曹挥马新耀李生才
Owner SHANXI AGRI UNIV
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