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Preparation for degrading Verticilium dahliae in continuous cropping soil of eggplant, and preparation method thereof

A technology for soil and verticillium wilt, applied in fungicides, botanical equipment and methods, biocides, etc., can solve problems such as polluting the ecological environment, soil environmental pollution, and large side effects, and achieve vigorous growth, maintain growth, and produce low cost effect

Inactive Publication Date: 2010-06-02
SHENYANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since soil-borne diseases are transmitted by soil microorganisms, general chemical methods are difficult to control and cause soil environmental pollution.
For example, the method of using chemical agents to mix soil for disinfection has high cost, large side effects, residues, public hazards, and ecological environment pollution.

Method used

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  • Preparation for degrading Verticilium dahliae in continuous cropping soil of eggplant, and preparation method thereof
  • Preparation for degrading Verticilium dahliae in continuous cropping soil of eggplant, and preparation method thereof

Examples

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Effect test

example 1

[0017] Example 1 In the continuous cropping soil of different years containing Verticillium dahliae, plant eggplant (the variety is "Xi'an Green Eggplant"), and after 7 days of field planting and survival, use the preparation of the present invention to irrigate around the rhizosphere of the eggplant plant. Apply 150 milliliters each time, apply 3 times continuously, once every 7 days, take no application as the control. After the eggplant Verticillium dahliae pathogenic strains began to appear in the field, the number of Verticillium dahliae in the soil was sampled and investigated every other week, and the degradation rate of Verticillium dahliae was calculated (see Table 1). It can be seen that for continuous cropping in 1 year soil The degradation rate of Verticillium dahliae in the soil for 2 years of continuous cropping is 81.53%-84.14%, and the degradation rate of Verticillium dahliae in the soil for 3 years of continuous cropping is 73.74%. -79.28%. Due to the allevia...

example 2

[0021] Example 2 When soil preparation in the shed, the preparation was irrigated to the planting holes, and each hole was irrigated with 150 milliliters each time. If ditching and planting, the effect of all watering in rows would be better, and the amount of watering would be appropriately increased according to the situation. Then apply it 2 times after the slow seedlings of eggplant survive. During the growth period, the incidence of Verticillium dahliae of eggplant can be reduced by 80-82%, and the disease index is also significantly reduced (see Table 2).

[0022] Table 2 The effect of applying extracts on the incidence and disease index of eggplant Verticillium wilt (2008)

[0023]

[0024] Note: The number of investigated plants is 100 plants per treatment.

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Abstract

The invention discloses a preparation for degrading Verticilium dahliae in continuous cropping soil of eggplant, and a preparation method thereof. The method is characterized by comprising the following steps: grinding the following raw material components in part by weight: 1 part of asarum, 2 parts of radix sophorae flavescentis, and 2 parts of fructus cnidii with the grinder to the fineness of 40 meshes; fully mixing the three raw materials powder into a mixture, adding 10 parts of water, and pouring the mixture into a sealed plastic bag for decaying at 26 DEG C for 15 days; taking the decayed materials, adding 25 parts of 80 percent ethanol into the decayed materials, fully and uniformly mixing the mixture, keeping the mixture for 36 hours and then fully extracting the mixture; filtering the extract and storing the filtrate in a container; and taking the filtrate, adding 34 parts of water into the filtrate, and diluting and uniformly mixing the mixture to obtain the preparation. The method is characterized by environmental protection, no residue, no pollution to environment and farm products, and capacity of keeping high quality of farm products. The method has the advantages of no requirement of expensive instruments, easily controlled process, stable quality of preparation, low production cost, convenient use, and simple and easily controlled operation. Natural active ingredients in the product can promote growth of vegetables roots, make the plants keep good growth vigor, and is favor of the healthy growth of organs of products.

Description

technical field [0001] The invention relates to the technical field of harmless treatment of soil polluted by harmful microorganisms in vegetable production. Specifically, the invention relates to a preparation and a preparation method for degrading Verticillium dahliae in eggplant continuous cropping soil. Background technique [0002] Verticillium wilt of eggplant is a typical soil-borne disease caused by Verticillium dahliae. The pathogen has a wide range of hosts, many places for overwintering, and a long survival time in the soil (6-7 years). And for many years, due to continuous cultivation (continuous cropping) all the year round, heavy cropping is planted too much, the occurrence of this disease is very common, and the sickness rate of general continuous cropping plot is all at 20%-30%, and severe one never harvests. With the rapid development of vegetable production in my country, especially the continuous expansion of the area of ​​protected vegetables, the phenom...

Claims

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Application Information

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IPC IPC(8): A01N65/20A01N65/10A01N65/08A01P3/00
Inventor 周宝利张淑红李宁毅叶雪凌
Owner SHENYANG AGRI UNIV
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