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Application of nahs in alleviating the stress effect of cuo NPs on tomato seedlings

A tomato seedling and function technology, which is applied in the research field of heavy metal stress mitigation technology in plants, can solve the problem of high copper content in tomato seedlings, achieve quality assurance, growth promotion, and improve the effect of resisting CuONPs stress

Active Publication Date: 2021-10-29
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of higher copper content in tomato seedlings grown under CuO NPs stress, and to provide the application of NaHS in alleviating the stress effect of CuO NPs on tomato seedlings

Method used

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  • Application of nahs in alleviating the stress effect of cuo NPs on tomato seedlings
  • Application of nahs in alleviating the stress effect of cuo NPs on tomato seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The effect of NaHS on the growth of tomato seedlings under CuO NPs stress, including the following steps:

[0017] 1) Disinfect tomato seedling seeds with 1% NaClO for 15 minutes, rinse with deionized water for 5-6 times to remove residual NaClO on the surface, and then germinate the seeds evenly in plug trays equipped with vermiculite; When they grow out, they are transferred to the hydroponic solution containing 1 / 4 Hoagland nutrient solution, and the seedlings are placed in an automatic control culture room set at 16 hours of light, 8 hours of darkness, 40% relative humidity, 28°C during the day and 22°C at night Medium culture; Seedlings are cultured twice in 1 / 4 Hoagland nutrient solution and once in 1 / 2 Hoagland nutrient solution; during the day from 7:00 am to 7:00 pm;

[0018] 2) When the tomato seedlings grow to 4 true leaves, select strong seedlings with consistent growth and carry out 6 different treatments, the treatment groups are blank control group (Contr...

Embodiment 2

[0022] To test the effect of NaHS on Cu tissue distribution in tomato seedlings under CuO NPs stress, the steps are as follows:

[0023] 1) Disinfect tomato seedling seeds with 1% NaClO for 15 minutes, rinse with deionized water for 5-6 times to remove residual NaClO on the surface, and then germinate the seeds evenly in plug trays equipped with vermiculite; When they grow out, they are transferred to the hydroponic solution containing 1 / 4 Hoagland nutrient solution, and the seedlings are placed in an automatic control culture room set at 16 hours of light, 8 hours of darkness, 40% relative humidity, 28°C during the day and 22°C at night Medium culture; Seedlings are cultured twice in 1 / 4 Hoagland nutrient solution and once in 1 / 2 Hoagland nutrient solution; during the day from 7:00 am to 7:00 pm;

[0024] 2) When the tomato seedlings grow to 4 true leaves, select strong seedlings with consistent growth and carry out 6 different treatments, the treatment groups are blank contr...

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Abstract

The invention provides the application of NaHS in alleviating the stress effect of CuO NPs on tomato seedlings, and belongs to the technical research field of alleviating heavy metal stress on plants. The invention is the application of NaHS in alleviating the stress effect of CuO NPs on tomato seedlings. The application of NaHS of the present invention in alleviating the stress effect of CuO NPs on tomato seedlings, using NaHS as an exogenous donor of hydrogen sulfide, and NaHS ionizing HS in aqueous solution ‑ , HS ‑ Hydrolysis produces hydrogen sulfide H 2 S, H 2 S can effectively reduce the cumulative content of Cu in tomato seedlings and increase the content of photosynthetic pigments in tomato seedling leaves, thereby improving the tolerance of tomato seedlings to CuO NPs.

Description

technical field [0001] The invention belongs to the technical research field of alleviating heavy metal stress in plants, and in particular relates to the application of NaHS in alleviating the stress effect of CuO NPs on tomato seedlings. Background technique [0002] Nano-copper oxide (CuO NPs) is an important semiconductor metal oxide. Due to its good catalytic activity, thermal conductivity and gas sensitivity, CuO NPs have been developed and produced in large quantities, and are widely used in batteries, solar energy conversion, catalysts, Cosmetics and other industries that are closely related to people's production and life are considered to be one of the most widely used new materials and new products in the 21st century. Due to the wide application of CuO NPs, they are easily released into the natural environment and cause corresponding environmental toxicological effects, which bring many hazards to the health of organisms. [0003] Tomato is an annual or perennia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/06A01N59/02A01P21/00
CPCA01G7/06A01N59/02
Inventor 贾红磊马佩云王肖郭军康陈翠魏婷任心豪刘岚钰
Owner SHAANXI UNIV OF SCI & TECH
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