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Method for producing alfa sensing matter and its application for controlling Huhua Micao grass

A technology of allelochemicals and production methods, applied in the field of ecological control, can solve the problems of invasion and not widely used

Inactive Publication Date: 2008-10-22
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As an alien invasive species, its natural enemies and pathogenic microorganisms are also alien species. Therefore, biological control has great ecological risks, which may bring new invasion problems, and is not widely used.

Method used

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Examples

Experimental program
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Embodiment Construction

[0020] Collect the litter of mature reeds in winter, extract the allelochemical substances of the reeds by solution extraction and anaerobic decomposition, and use the allelochemical substances to act on the seeds, seedlings and special probiotic microbial populations of Spartina alterniflora , so as to realize the control of Spartina alterniflora, the specific implementation method is as follows:

[0021] 1. Collection and primary processing of reed litter: collect mature reed litter in December, rinse with distilled water, and dry. Then pulverize it with a small pulverizer, and cross a 20-mesh sieve for subsequent use;

[0022] 2. Preparation of reed water extract: put the dry powder obtained in step 1 into an airtight container, add 5 times the mass of distilled water, cover it and let it stand at room temperature for 48 hours, and finally filter to obtain a mother liquor with a mass concentration of 1:5;

[0023] 3. Reed decomposition product: put the dry powder obtained ...

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Abstract

An allelopathic substance extracted from reed for preventing and eliminating Huhuami grass and its preparing process are disclosed.

Description

1. Technical field [0001] The invention belongs to the technical field of ecological control. 2. Background technology [0002] Spartina aterniflora (Spartina aterniflora) is native to the United States and belongs to the Poaceae Sansevieria family. It is a perennial salt marsh plant growing in the intertidal zone. The root system of Spartina alterniflora is extremely developed, the plant is thick and tall, with large biomass, the ground height can generally reach 1.0-2.0m, and the root system can reach about 1.5m deep into the soil. The role of silting land and greening beaches. At that time, my country's coastal areas were often hit by natural disasters such as storm surges and typhoons, and large areas of seawalls were damaged, which caused great harm to the economy, people's lives and property in coastal areas. For this reason, Spartina alterniflora was introduced into coastal tidal flats in my country in early 1980, and made significant contributions in many aspects s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/00A01P13/02A01N65/44
Inventor 赵福庚周军张茜钦佩
Owner NANJING UNIV
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