Application of NaHS in stabilizing monosaccharide content in tomato seedling cell walls under cadmium ion stress

A tomato seedling and cell wall technology, applied in the field of plant stress resistance, can solve the problems of tomato pollution, inhibit tomato growth, affect tomato yield and growth and development, achieve simple and convenient operation, reduce accumulation, and improve tomato seedling resistance to Cd2+ stress Effect

Inactive Publication Date: 2020-06-05
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual production and life, tomato is easily polluted by heavy metal Cd, which affects the yield and growth of tomato.
Studies have shown that low concentration of Cd stress can promote tomato growth, but high concentration of Cd stress can inhibit tomato growth

Method used

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  • Application of NaHS in stabilizing monosaccharide content in tomato seedling cell walls under cadmium ion stress
  • Application of NaHS in stabilizing monosaccharide content in tomato seedling cell walls under cadmium ion stress

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Test exogenous addition of NaHS on Cd 2+ The impact of stress on the growth of tomato seedlings, the test steps are as follows:

[0019] 1) Disinfect the tomato seeds with a mass concentration of 3% sodium hypochlorite solution, place them evenly in a tray until the tomato seeds grow into seedlings containing two true leaves of the same size, and transfer the tomato seedlings to a container containing 1 / 4 Hoagland nutrient solution. Cultivate in a hydroponic box for two weeks, and then transfer to a hydroponic box containing 1 / 2 Hoagland nutrient solution for one week; then transfer the tomato seedlings to 8 groups containing Cd 2+ and NaHS in 1 / 2 Hoagland nutrient solution, all 8 groups of experiments were cultured in the light culture room, cultured for 7 days, and their growth indicators were measured.

[0020] 2) The cultivation conditions during the cultivation of tomato seedlings are as follows: 16 hours of light, 8 hours of darkness, 40%-60% relative humidity, 2...

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Abstract

The invention discloses application of NaHS in stabilizing the monosaccharide content in tomato seedling cell walls under cadmium ion stress, and belongs to the field of plant stress resistance. The invention discloses an application of NaHS in stabilizing the monosaccharide content in tomato seedling cell walls under Cd<2+> stress. NaHS is adopted as a donor of hydrogen sulfide, the monosaccharide content can be effectively changed after NaHS is added, the stability of a cell wall chemical structure under Cd<2+> stress is improved, and therefore the growth of tomato seedlings is promoted.

Description

technical field [0001] The invention belongs to the field of plant stress resistance, in particular to the application of NaHS to stabilize the monosaccharide content in the cell wall of tomato seedlings under the stress of cadmium ions. Background technique [0002] In recent decades, a series of human factors such as the massive development and utilization of mineral resources, the burning of fossil fuels, the random discarding of electronic waste, and the widespread use of pesticides and chemical fertilizers have caused a large amount of heavy metals to be discharged into the environment, resulting in heavy metal pollution becoming a global issue. serious environmental problems. With the advancement of industrialization and urbanization, a large area of ​​human soil has been polluted to varying degrees. Soil heavy metal pollution has become a common problem, among which Cd pollution is the most serious, which not only affects soil quality, but also seriously affects crops...

Claims

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Application Information

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IPC IPC(8): A01N59/02A01P21/00A01G7/06A01G31/00
CPCA01G7/06A01G31/00A01N59/02
Inventor 贾红磊王肖马佩云陈翠郭军康任心豪刘岚玉魏婷
Owner SHAANXI UNIV OF SCI & TECH
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