Preparation for reducing damage to corn plants in cadmium pollution environments and method for applying preparation

A cadmium pollution and preparation technology, which is applied in botany equipment and methods, plant growth regulators, plant growth regulators, etc., to achieve the effects of easy preparation, convenient use, and simple operation

Inactive Publication Date: 2016-03-23
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Betaine is an anti-stress substance with multiple functions, but it has been seldom used in the study of alleviating heavy metal stress. There are only

Method used

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  • Preparation for reducing damage to corn plants in cadmium pollution environments and method for applying preparation
  • Preparation for reducing damage to corn plants in cadmium pollution environments and method for applying preparation
  • Preparation for reducing damage to corn plants in cadmium pollution environments and method for applying preparation

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0015] Example 1

[0016] A preparation for reducing damage of corn plants in a cadmium-polluted environment, comprising the following components and concentrations: betaine: 500 μmol / L. Preparation method: spray the above solution at the four-leaf stage until it is wet, spray once every 5 days, and spray 2 times in total; take samples 5 days after the second spray, repeat 5 times, and plant 7 seeds in each pot.

[0017] strains. The effects of different treatments on photosynthetic parameters and plant growth are shown in Table 1 and Table 2, respectively.

[0018] Table 1 Effects of foliar spraying of betaine on photosynthetic parameters of maize under Cd stress

[0019]

[0020] a and b represent significant differences at the 0.05 level. Foliar spraying of betaine increased corn net photosynthetic rate, stomatal conductance, intercellular CO 2 Both concentrations and transpiration rates were significantly different compared to Cd treatment alone.

[0021] Table 2 E...

Example Embodiment

[0027] Example 2

[0028] A preparation for reducing damage of corn plants in a cadmium-polluted environment, comprising the following components and concentrations: betaine: 200 μmol / L. The use method is the same as that of Example 1.

Example Embodiment

[0029] Example 3

[0030] A preparation for reducing damage of corn plants in a cadmium-polluted environment, comprising the following components and concentrations: betaine: 400 μmol / L. The use method is the same as that of Example 1.

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Abstract

The invention belongs to the field of heavy metal pollution treatment on soil in environmental protection and agricultural product safety, and relates to a preparation for reducing damage to corn plants in cadmium pollution environments and a method for applying the preparation. The preparation for reducing damage to the corn plants in the cadmium pollution environments comprises betaine with the concentration of 200-600 micro-mol/L. The optimal concentration of the betaine is 500 micro-M when the concentration of Cd is 50 micro-M, and the concentration of 200-600 micro-mol/L is the effective concentration. The betaine which is an artificial exogenous material is sprayed to the plants, the plants can have stress response, phenomena such as yellowing of the leaves of the plants can occur if the concentration of the betaine is excessively high, and accordingly the preparation with the corresponding concentration needs to be selected according to cadmium pollution degrees of the environments.

Description

technical field [0001] The invention belongs to the field of soil heavy metal pollution control and agricultural product safety in environmental protection, and relates to a preparation for reducing damage of corn plants in a cadmium-polluted environment and a use method thereof. Background technique [0002] Cadmium (Cd) is known to be one of the most toxic and most polluting heavy metals in farmland. At the same time, Cd has strong mobility and is easily absorbed by plants and transferred to the aboveground parts. If it exceeds a certain limit, it will not only damage the growth and development of crops, but also lead to a decline in yield and quality, and may even threaten human health through the food chain. Therefore, reducing Cd accumulation can not only improve the quality of crops, protect the ecological balance, but also reduce the health risks brought by Cd to humans. According to reports, rice cadmium pollution is the main problem of heavy metal pollution in Japa...

Claims

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Application Information

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IPC IPC(8): A01N37/44A01P21/00
CPCA01N37/44
Inventor 李梅曹方彬黎军英
Owner ZHEJIANG UNIV
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