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A plant-derived algastatic agent for inhibiting the growth of yellow hair algae and its preparation method and application

A technology of plant sources and inhibitors, applied in botany equipment and methods, biocides, plant growth regulators, etc., to achieve the effect of obvious decrease in cell density, cheap price, and simple preparation process

Active Publication Date: 2020-09-04
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing patents related to the prevention and control of algae blooms in water bodies mainly focus on the research and development of control technology for blue-green algae blooms, but there is no report on the use of plant litter leaf extracts to inhibit the growth and reproduction of yellow hair algae

Method used

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  • A plant-derived algastatic agent for inhibiting the growth of yellow hair algae and its preparation method and application
  • A plant-derived algastatic agent for inhibiting the growth of yellow hair algae and its preparation method and application
  • A plant-derived algastatic agent for inhibiting the growth of yellow hair algae and its preparation method and application

Examples

Experimental program
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Effect test

Embodiment 1

[0027] The bloom algae aimed at in this embodiment is Xanthophyllum, which is a common species in lakes, rivers, and ponds in my country. The initial density of Xanthophyllum algae cells in the culture container is 1.02×10 6 individual / mL.

[0028] (1) The preparation method of plant-source Xanthophyllium algae inhibitor: wash, pulverize and sieve the littered leaves of sycamore sycamore, put them in a custom-made sieve silk bag (200 mesh), place them in a beaker, press 1 : Add distilled water at a solid-to-liquid ratio of 20, ultrasonically extract for 1h, and centrifuge (4000r / min) for 10min to get the supernatant and concentrate it to 250ml to obtain an extract with a concentration of 0.1g DW / ml. Plant-derived algastatics for growth.

[0029] (2) the using method of plant source Xanthophyllum inhibitor: the culture vessel used in the experiment is the triangular flask of volume 500ml, and the culture fluid volume that contains Xanthophyllum is 180ml, adds the plant source ...

Embodiment 2

[0031] The bloom algae targeted in this example is Xanthophyllum, which is a common species in lakes, rivers, and ponds in my country. The initial density of Xanthophyllum algae cells in the culture container is also 1.02×10 6 individual / mL.

[0032] (1) The preparation method of plant-derived algae inhibitor of yellow hair algae: same as embodiment 1.

[0033] (2) the using method of plant source Xanthophyllum inhibitor: the culture vessel used in the experiment is the triangular flask of volume 500ml, and the culture fluid volume that contains Xanthophyllum is 180ml, adds the plant source inhibitor that makes in the step (1), During the experiment, they were divided into two groups. In group A, 2.75 mL of plant-sourced algae inhibitors were added to the culture container of the experimental group. In group B, the plant-source inhibitor was replaced by 2.75 mL of distilled water, and other conditions remained unchanged; Then group A and group B were put into the light incuba...

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Abstract

The invention belongs to the field of water body ecological restoration, and particularly relates to a plant source algae inhibitor for inhibiting growth of tribonema in water as well as a preparationmethod and application of the algae inhibitor. A raw material of the plant source algae inhibitor aiming at the tribonema provided by the invention is phoenix tree leaves. The preparation method comprises the following steps: washing the phoenix tree leaves falling to the ground, performing drying, performing crushing, performing sieving, putting the sieved material into a sieve silk bag, addingdistilled water, performing ultrasonic extraction for 1-4 h, performing centrifugation for 10-15 min, taking the supernatant, and performing concentration to obtain the algae inhibitor. When the algaeinhibitor is used, the prepared algae inhibitor is sprinkled into a water body of tribonema bloom. The plant source inhibitor provided by the invention can effectively inhibit explosive growth of thetribonema, and after the inhibitor is used, a growth inhibition rate of the tribonema reaches 95% or more, the inhibition effect is good, the inhibition efficiency is high, and the inhibitor has no secondary pollution to a water body, and is green, safe and environmentally friendly.

Description

technical field [0001] The invention belongs to the field of water body ecological restoration, and in particular relates to a botanical algastatic agent for inhibiting the growth of yellow algae in water, a preparation method and application thereof. Background technique [0002] With the unreasonable discharge of industrial and agricultural wastewater and domestic sewage, the water environment quality of our country's vast rivers and lakes is deteriorating day by day. Polluted water provides rich nitrogen, phosphorus and other nutrients for the growth of yellow hair algae. Xanthophyta belong to the phylum Xanthophyta and are common species that form filamentous algal blooms. This species is highly adaptable and can flood both freshwater and marine waters. The peak periods of algae blooms are generally spring and autumn. The massive reproduction of Xanthophyllum will not only block sunlight, affect the ecological landscape effect of the water body, hinder the reoxygenati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/08A01P13/02C02F1/50
CPCA01N65/00A01N65/08C02F1/50C02F2103/007
Inventor 石雨鑫邵留何培民
Owner SHANGHAI OCEAN UNIV
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