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Application of nano zinc oxide in improving salt stress tolerance of plants

A nano-zinc oxide, plant technology, applied in the application, plant growth regulator, plant growth regulator and other directions, can solve the problems such as no report of the application of nano-zinc oxide.

Inactive Publication Date: 2019-03-15
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no report on the application of nano zinc oxide in improving the resistance of plants to salt stress

Method used

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  • Application of nano zinc oxide in improving salt stress tolerance of plants
  • Application of nano zinc oxide in improving salt stress tolerance of plants
  • Application of nano zinc oxide in improving salt stress tolerance of plants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The application of nano-zinc oxide in improving the resistance of plants to salt stress comprises the following steps:

[0026] 1. Wild-type Arabidopsis Seedling Preparation

[0027] Select wild-type Arabidopsis thaliana seeds with the same size and plump grains at the same period, disinfect them with 70% ethanol aqueous solution and 1.25% sodium hypochlorite aqueous solution for 5 minutes and 10 minutes, rinse with sterile water, remove the water, and put Put it into a test tube, add sterile water, submerge the seeds, and place them in the dark at 4°C for 3 days to vernalize the seeds and restore their vitality.

[0028] Spread the vernalized seeds on 1 / 2MS solid medium in a single row, wrap the petri dish with sterile air-permeable tape, mark the date, and place the petri dish vertically in the growth chamber under constant 16h light / 8h dark state Next, the light intensity was set at 120 μmolm -2s-1 , grown for three days to obtain seedlings.

[0029] 2. Seedling t...

Embodiment 2

[0043] The application of nano-zinc oxide in improving the resistance of plants to salt stress comprises the following steps: irrigate wild-type Arabidopsis planted in saline soil with a nano-zinc oxide aqueous suspension with a concentration of 10 mg / L.

Embodiment 3

[0045] The application of nano-zinc oxide in improving the resistance of plants to salt stress comprises the following steps: irrigate the wild-type Arabidopsis planted in saline soil with a nano-zinc oxide aqueous suspension with a concentration of 35mg / L.

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Abstract

The invention discloses an application of nano zinc oxide in improving salt stress tolerance of plants. The application comprises the following step of: irrigating plants planted in saline soil with nano zinc oxide water suspension with a concentration of 10-35 mg / L. Experiments prove that the nano zinc oxide is capable of improving the salt stress tolerance of the plants.

Description

technical field [0001] The invention relates to the application of nano zinc oxide in improving plant salt stress resistance, and belongs to the technical field of plant protection. Background technique [0002] Soil salinization is an important factor affecting agricultural production and ecological environment. According to statistics, the global salinized soil is about 9.55×10 8 hm 2 , the secondary salinized soil is about 0.77×10 8 hm 2 , accounting for about 10% of the land area. my country has about 100 million hectares of various salinized soils 2 , and with the deterioration of the ecological environment and unreasonable development and utilization, it is still expanding further. Therefore, improving the yield and stress resistance of crops has become an important issue for the sustainable development of agriculture and environmental governance in the future. [0003] When plants are subjected to adversity stress, they will show different traits, and will lead...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/16A01P21/00A01G7/06
CPCA01N59/16A01G7/06
Inventor 王洁华宋秋芳毛虹禹
Owner TIANJIN UNIV
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