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Method for regulating and controlling protective enzyme and malondialdehyde of festuca arundinacea under cadmium stress by using graphene-oxide-loaded and waste-based lawn nursery strip

A technology of graphene and vegetation tape, applied in the field of urban landscaping, can solve the problems of slow treatment effect, chlorosis, and aggravated accumulation of heavy metals, and achieve the effect of improving the ability of plants to resist salt and drought

Inactive Publication Date: 2018-09-18
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In addition, with the rapid development of industrialization and urbanization, soil heavy metal pollution is becoming more and more serious. Due to the characteristics of concealment, hysteresis, accumulation and irreversibility of soil heavy metal pollution, as well as the complexity of pollutants and regions, once the soil is polluted Pollution, slow treatment effect, high cost, and the accumulation of heavy metals in the environment will continue to aggravate
Lawns planted on soil polluted by heavy metals will have problems such as chlorosis, reduced tillers, and slow lawn formation. Therefore, soil heavy metal pollution has become another limiting factor for lawn planting that cannot be ignored

Method used

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  • Method for regulating and controlling protective enzyme and malondialdehyde of festuca arundinacea under cadmium stress by using graphene-oxide-loaded and waste-based lawn nursery strip
  • Method for regulating and controlling protective enzyme and malondialdehyde of festuca arundinacea under cadmium stress by using graphene-oxide-loaded and waste-based lawn nursery strip
  • Method for regulating and controlling protective enzyme and malondialdehyde of festuca arundinacea under cadmium stress by using graphene-oxide-loaded and waste-based lawn nursery strip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A method for regulating tall fescue protective enzymes and MDA under cadmium stress by graphene oxide waste vegetation zone:

[0060] (1) Plant cultivation:

[0061] Using a plastic flower pot with a diameter of 11 cm and a height of 8 cm, the 3CdSO 4 ·8H 2 O is made into a solution with a certain concentration, and then the solution is applied to flower pots, so that the air-dried soil weighs 250 g and the cadmium concentration in the campus soil is Cd: 100, 200 mg·kg -1 , balanced for 20 days, under two Cd concentration conditions, 6 ways of tall fescue planting, the amount of tall fescue seeds per pot is 1 g; the 6 ways are: seed planting, planting belt planting, seed planting+ 0.2 mg·g -1 Graphene oxide, seed establishment+0.4 mg·g -1 Graphene oxide, loaded with 0.2 mg·g -1 Graphene oxide vegetation tapes were established or loaded with 0.4 mg·g -1 Graphene oxide vegetation strips were planted, and the amount of tall fescue seeds per pot was 1 g;

[0062] Dur...

Embodiment 2

[0066] A method for regulating tall fescue protective enzymes and MDA under cadmium stress by graphene oxide waste vegetation zone:

[0067] (1) Plant cultivation:

[0068] Using a plastic flower pot with a diameter of 11 cm and a height of 8 cm, the 3CdSO 4 ·8H 2 O is made into a solution with a certain concentration, and then the solution is applied to flower pots, so that the air-dried soil weighs 250 g and the cadmium concentration in the campus soil is Cd: 100, 200 mg·kg -1 , balanced for 20 days, under two Cd concentration conditions, 6 ways of tall fescue planting, the amount of tall fescue seeds per pot is 1 g; the 6 ways are: seed planting, planting belt planting, seed planting+ 0.2 mg·g -1 Graphene oxide, seed establishment+0.4 mg·g -1 Graphene oxide, loaded with 0.2 mg·g -1 Graphene oxide vegetation tapes were established or loaded with 0.4 mg·g -1 Graphene oxide vegetation strips were planted, and the amount of tall fescue seeds per pot was 1 g;

[0069] Dur...

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Abstract

The invention discloses a method for regulating and controlling protective enzyme and malondialdehyde of festuca arundinacea under cadmium stress by using a graphene-oxide-loaded and waste-based lawnnursery strip. The method comprises the following main steps: adopting plastic flowerpots with a diameter of 11 cm and a height of 8 cm, preparing 3CdSO4.8H2O into a solution with a certain concentration, then applying the solution into the flowerpots, allowing the concentration of cadmium in 250 g of campus soil in terms of the weight of air-dried soil to be 100 to 200 mg.kg<-1>, carrying out balancing for 20 days, and performing 6 establishing manners of the festuca arundinacea under the conditions of two Cd concentrations, wherein the usage amount of festuca arundinacea seeds in each flowerpot is 1 g; and carrying out culturing for 60 days, and measuring the plant height and biomass of the festuca arundinacea. The method provided by the invention selects cold-season turfgrass namely thefestuca arundinacea frequently used in northern China as a research object, explores the influence of the graphene-oxide-loaded and waste-based lawn nursery strip on regulating and controlling the protective enzyme and malondialdehyde of the festuca arundinacea under the cadmium stress, and provides a technical support for turf heavy-metal-resistant establishment.

Description

technical field [0001] The invention belongs to the technical field of urban landscaping, and relates to a method for regulating tall fescue protective enzymes and malondialdehyde by graphene oxide waste vegetation strips under cadmium stress. Background technique [0002] The continuous advancement of the urbanization process has enabled the rapid development of urban landscaping, which occupies an important position. As an indispensable lawn in urban landscaping, it not only has significant ecological benefits such as water and soil conservation, but also beautifies the environment, has high aesthetic value, and provides people with a place for leisure and entertainment. Due to the ecological benefits, aesthetic value and entertainment function of lawns, more and more people pay attention to them. There are many difficulties in the process of planting and management of turfgrass, such as high cost of planting and maintenance, high construction requirements, increasing soi...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G20/00
CPCA01G20/00A01G7/06
Inventor 赵树兰多立安王晓静
Owner TIANJIN NORMAL UNIVERSITY
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