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Screening method of chemical regulator under pollution exposure based on root system development parameters

A technology of chemical regulation and screening methods, applied in botany equipment and methods, horticultural methods, chemical statistics, etc., can solve problems such as unsatisfactory results, high cost, time-consuming and labor-intensive, etc., to achieve unsatisfactory results and save time and effort cost effect

Active Publication Date: 2020-07-17
GUILIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a screening method for chemical regulators under pollution exposure based on root development parameters, to solve the problem that the existing screening methods for chemical regulators have unsatisfactory effects, and the existing screening methods for chemical regulators are time-consuming Laborious, inefficient and costly screening issues

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  • Screening method of chemical regulator under pollution exposure based on root system development parameters
  • Screening method of chemical regulator under pollution exposure based on root system development parameters
  • Screening method of chemical regulator under pollution exposure based on root system development parameters

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Embodiment Construction

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] The embodiments of the present invention provide a method for screening chemical regulators under pollution exposure based on root development parameters, using industrial wastewater typical pollutant hydrogen sulfide (SCN - ) to test the pollutants, based on the characteristic parameters of rice seedling root development, use the classical phytotoxicology research method to evaluate the chemical regulators, and then screen the appropriate chemical regulators according to the evaluation results. First of all, when conducting ...

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Abstract

The invention discloses a screening method of chemical regulator under pollution exposure based on root system development parameters, which comprises the following steps: selecting a chemical regulator to be screened, and carrying out short-term exposure experiment on crop seedlings under the conditions of the chemical regulator to be screened and pollution on the basis of root system developmentcharacteristic parameters of the crop seedlings to determine a targeted target; then selecting a critical threshold value to classify the regulating effect of the chemical regulating agent to be screened on each targeted target of the crop seedling root system to obtain a critical threshold value set; determining the contribution degree of each target to obtain a target contribution degree set; then, obtaining a piecewise function of each type of regulation effect of each targeted target; forming a single-target uncertainty matrix by calculation results of the piecewise functions of each typeof regulation effect of each target; multiplying the target contribution degree set by the target uncertainty matrix, and selecting an appropriate chemical regulator according to a multiplication result of the target contribution degree set and the target uncertainty matrix. The problem that an existing chemical regulator screening method is not ideal in effect is solved.

Description

technical field [0001] The invention belongs to the technical field of crop chemical regulation, and relates to a method for screening chemical regulators under pollution exposure conditions based on crop seedling root development parameters. Background technique [0002] With the development of the world's population and industry, food security problems caused by environmental problems have become increasingly prominent. Crop chemical regulators refer to a series of control measures that people take to make crops grow towards the expected direction or goal. Traditional agricultural production hormones usually improve the quality of agricultural products through water, fertilizer, light, heat and other conditions, while crop chemical regulation pays more attention to the stimulation of internal factors, such as plant hormone regulation. [0003] Chemical regulation is widely applied to polluted arable land to reduce the absorption of pollutants by crops, alleviate the toxic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06G16C20/70
CPCA01G7/06G16C20/70
Inventor 于晓章冯宇希林钰涓
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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