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Application of chenopodium chrysanthum in prevention and treatment of root rot

A technology of chrysanthemum leaves and quinoa, applied in the field of biological control

Active Publication Date: 2022-02-18
CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no report on the use of botanical fungicides to control root rot, especially pepper root rot.

Method used

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  • Application of chenopodium chrysanthum in prevention and treatment of root rot
  • Application of chenopodium chrysanthum in prevention and treatment of root rot
  • Application of chenopodium chrysanthum in prevention and treatment of root rot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: Composition of associated weeds in Zanthoxylum bungeanum and display of antibacterial effect

[0028] 1. In order to improve the accuracy of data, the pathogenic bacteria and associated weeds collected by the present invention come from different positions of a plurality of pepper gardens, and the pepper gardens are respectively located in Sujiaping Village, Heihu Town, Mao County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province, and the ditch. Jigongzhai Village of Kou Town, Shui Caoping Village of Goukou Town and Jiaochang Village of Diexi Town.

[0029] The pathogenic fungus was isolated and screened from the root system of Zanthoxylum bungeanum root rot in Zanthoxylum bungeanum, and was identified as Fusarium solani by genetic identification. According to literature review and Zanthoxylum bungeanum planting test verification, it was found that the microorganism has strong pathogenicity to Zanthoxylum bungeanum. The Fusarium solani was fully...

Embodiment 2

[0040] Embodiment two: Zanthoxylum bungeanum associated weeds extract concentration and bacteriostasis effect relationship display 1, select alcohol extract to have 6 kinds of associated weeds (ground money, Artemisia annua, chrysanthemum leaf chrysanthemum, old Stork, raspberry, Polygonum pinnata), respectively prepare 0.01g / mL, 0.02g / mL, 0.04g / mL and 0.08g / mL methanol extracts with 4 gradient concentrations in the same way as in Example 1.

[0041] 2. According to the method of Example 1 testing Fusarium solani inhibition rate, use 6 kinds of associated weeds to test respectively the inhibition rate after cultivating 3d, 4d, 5d, and set blank control equally with reference to the method of Example 1, the result as shown in Table 3. In Table 3, the unit of concentration is g / mL, the unit of colony diameter is mm, and the unit of inhibition rate is %.

[0042] Table 3 shows the effect of each weed alcohol extract on inhibiting Fusarium solani at different concentrations

[0...

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Abstract

The invention belongs to the field of biological prevention and treatment, and particularly relates to application of chenopodium chrysanthum in prevention and treatment of root rot. According to the technical scheme, the invention provides the application of the chenopodium chrysanthum in inhibiting the activity or growth of fusarium solani. According to the invention, the variety and community structure of weeds in a pepper garden are analyzed through community investigation, dominant associated weeds are determined, and the inhibition rate of the dominant associated weeds on root rot pathogenic bacteria fusarium solani is determined by adopting a growth rate method, so that a new species of chenopodium album with bacteriostatic activity is screened out, a new foundation is laid for further development of a novel botanical fungicide, and a foundation is laid for root rot prevention.

Description

technical field [0001] The invention belongs to the field of biological control, and in particular relates to the application of chrysanthemum leaf and quinoa in preventing and controlling root rot. Background technique [0002] Root rot is a devastating soil-borne disease mainly caused by Fusarium solani, and it is one of the main diseases of various economic crops including pepper. Root rot can cause the root system of the plant to rot, emit a peculiar smell, the root bark and xylem are easily separated, the leaves above the ground become smaller and turn yellow and white, the branches are underdeveloped, the fruit becomes smaller, and eventually the whole plant dies. [0003] At present, chemical pesticides are mostly used to prevent and control root rot, but this will lead to environmental pollution, ecological damage, and increased resistance of pathogenic bacteria. Compared with chemical pesticides, botanical fungicides are environmentally friendly, safe for non-targe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/08A01P3/00
CPCA01N65/00A01N65/08
Inventor 石福孙补欢欢
Owner CHENGDU INST OF BIOLOGY CHINESE ACAD OF S