Algistat containing terrestrial plants capable of being cultured in water

An algae inhibitor and plant technology, which is applied in the directions of biocides, plant growth regulators, and chemicals for biological control to achieve the effects of preventing algal blooms, beautifying the environment, and improving algae inhibitory performance.

Active Publication Date: 2015-03-11
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, aquatic plants are limited by seasons and climates, so there are certain limitations in the practical application of aquatic plants to inhibit algae.

Method used

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  • Algistat containing terrestrial plants capable of being cultured in water
  • Algistat containing terrestrial plants capable of being cultured in water
  • Algistat containing terrestrial plants capable of being cultured in water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The water extract of scallion white is prepared by the following method: leach scallion white and distilled water at room temperature for 4 days, and filter it through a 0.22 μm microporous membrane under sterile conditions to obtain the filtrate; the mass ratio of scallion white and distilled water is 1:10.

[0037] The water extract of the green onion leaves is prepared by the following method: extract the green onion leaves and distilled water at room temperature for 4 days, and filter them through a 0.22 μm microporous membrane under sterile conditions. The mass ratio of the obtained filtrate to the green onion leaves and distilled water is It is 1:10.

Embodiment 2

[0039] The relationship between algae density and fluorescence value.

[0040] Microcystis aeruginosa in the logarithmic growth phase was diluted into 5 algae cell density gradients with BG-11 medium, counted with a hemocytometer, and the fluorescence values ​​were measured respectively.

[0041] The result is as Figure 4 Shown: there is a positive correlation between cell density and its fluorescence value (R2=0.9960), so the fluorescence value can be used to reflect the growth status of Microcystis aeruginosa.

Embodiment 3

[0043] Effects of water extracts of scallion scallion white and scallion leaves at different concentrations on the growth of Microcystis aeruginosa.

[0044] Microcystis aeruginosa in the logarithmic growth phase were put into 100 mL Erlenmeyer flasks, and then BG-11 medium with different dilution factors was added to make the final concentration of medium in each group equal, and the final concentration of algal cells was 5.0×10 5 cells / mL, the final volume of the algae liquid is 50 mL. The final concentrations of water extracts of scallion scallion or scallion leaves in the Erlenmeyer flasks were 0, 10 mL / L, 30 mL / L, and 50 mL / L, respectively, and a control group without adding scallion scallion or scallion leaf water extracts (blank ), each group was set up in 3 parallels, and each group was cultured under the same conditions as in 1.2. Fluorescence values ​​were measured every 24 hours for 5 days.

[0045]Depend on figure 1 It can be seen that each treatment group of t...

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Abstract

The invention provides algistat containing terrestrial plants capable of being cultured in water. The algistat is aqueous extract solution of onion stalk. Compared with the prior art, a green Chinese onion, as a representative of a terrestrial plant, is important medical raw materials, all the total extractives, protein components, lipid solubility components and polysaccharide components have bacteriostatic ability, the aqueous extract solution of the onion stalk and aqueous extracts of fistular onion leaves of the green Chinese onion have quite good algal inhibition performance, water-culture characters of the green Chinese onion can be utilized to conduct planting in a landscape pond or an artificial floating bed, and the green Chinese onion can not only prevent algal bloom from occurring, but also beautifies environment and even can be collected to eat.

Description

technical field [0001] The invention belongs to the technical field of algicides. Background technique [0002] In recent years, with the increase of human activities, the eutrophication of lakes and reservoirs has become increasingly serious, resulting in frequent outbreaks of algae blooms and reduced utilization efficiency of water resources. As a result, the aquaculture economy has suffered huge losses, and water environment security is also facing serious challenges. threat. Therefore, effectively inhibiting the excessive growth of phytoplankton in eutrophic water bodies and preventing the occurrence of algae blooms has become a research hotspot and frontier in the field of environment. Among the many methods to control the growth of algae, the traditional physical and chemical methods of inhibiting the growth of algae will inevitably destroy the ecological balance and cause environmental pollution. The biological method, especially the use of plant allelopathy to inhi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/42A01P13/00
Inventor 张庭廷周杨李源李诚刘璐
Owner ANHUI NORMAL UNIV
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