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Method for improving salt and alkali resistance of wheat by using quinoa polysaccharide

A quinoa polysaccharide, salt-tolerant technology, applied in horticultural methods, botanical equipment and methods, seed and rhizome treatment, etc., can solve problems such as wheat growth inhibition, improve soil, enhance salt-alkali resistance, and enhance resistance to reverse effect

Pending Publication Date: 2022-07-08
SHANXI AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above problems, the present invention provides a method for improving the saline-alkali resistance of wheat by quinoa polysaccharides, which solves the problem in the prior art that wheat growth is inhibited in a saline-alkali environment, and enhances the saline-alkali resistance of wheat

Method used

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  • Method for improving salt and alkali resistance of wheat by using quinoa polysaccharide
  • Method for improving salt and alkali resistance of wheat by using quinoa polysaccharide
  • Method for improving salt and alkali resistance of wheat by using quinoa polysaccharide

Examples

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Embodiment 1

[0034] A method for improving the salinity and alkali resistance of wheat by quinoa polysaccharide. Wheat seeds with the same size and full grain are selected, soaked in 10% sodium hypochlorite for 20 minutes for disinfection, and then washed with distilled water until the irritating smell disappears. The sterilized wheat seeds were soaked with 10 ml of QPS solutions of different concentrations at room temperature, and the soaking time was 24 hours. The soaked seeds were placed in petri dishes containing 2 layers of filter paper, and a part of them was added with 10 ml of the concentration of 150 mmol / L of NaCl salt solution, a portion was added with 10 ml of NaHCO with a molar ratio of 9:1 3 and NaCO 3 Mixed alkaline solution to maintain a certain concentration of water and saline-alkali stress. Then placed in an incubator at 25°C to avoid light to simulate the germination environment, and the filter paper and salt / alkali solution were replaced every day to maintain a certa...

Embodiment 2

[0040] A method for improving the salinity and alkali resistance of wheat by quinoa polysaccharide. First, the wheat seeds with the same size and full grain are soaked in 10% sodium hypochlorite for 20 minutes for disinfection, and then washed with distilled water until the irritating smell disappears. The sterilized and rinsed seeds were placed in a petri dish with two layers of filter paper, and 10 ml of distilled water was added to keep them moist, and germinated for 12 h. Wheat with consistent growth was selected and placed in a plant petri dish at 25°C.

[0041] When the wheat seedlings had two leaves, they were transferred to a hydroponic incubator with 48 plants per pot, with a hole space between each plant. After the wheat is adapted to the hydroponic environment. Wheat seedlings were foliar sprayed or root perfused with 10ml of QPS solutions of different concentrations, and then 10ml of NaCl salt solution with a concentration of 150mmol / L or 10ml of NaHCO with a molar r...

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Abstract

The invention discloses a method for improving salt and alkali resistance of wheat by using quinoa polysaccharide, which is characterized in that wheat seeds or wheat seedlings growing in a salt environment or an alkali environment are treated by using a quinoa polysaccharide (QPS) solution, the wheat seeds are soaked, and the wheat seedlings are subjected to leaf surface spraying or root perfusion treatment. After the QPS solution treats wheat seeds or wheat seedlings growing under salt stress or alkali stress, inhibition of salt / alkali stress on growth of the wheat seeds and the wheat seedlings is relieved, and the germination rate and germination potential of the wheat seeds under the salt / alkali environment are improved; moreover, the root length, bud length, dry weight and fresh weight of the wheat seedlings and the wheat seeds are obviously improved, and various indexes of wheat growth in a normal environment can be achieved. Therefore, the method disclosed by the invention enhances the salt and alkali resistance of the wheat in the salt and alkali environment, and lays a foundation for developing a novel environment-friendly biostimulant with multiple effects of improving soil, promoting growth, enhancing stress resistance and improving quality.

Description

technical field [0001] The invention relates to the field of wheat growth, in particular to a method for improving wheat salinity and alkali resistance by quinoa polysaccharide. Background technique [0002] Soil salinization is a major problem facing the world, which has a huge impact on the growth, yield and quality of crops, and greatly limits the sustainable development of modern agriculture. Improving saline-alkali land, cultivating saline-alkali-tolerant varieties and enhancing saline-alkali resistance are effective measures to make full use of saline-alkali land. The improvement of saline-alkali land includes improvement of physical measures, improvement of hydraulic engineering measures, chemical improvement and biological improvement. However, a variety of comprehensive treatment technologies have their own advantages and disadvantages. The physical method has high cost and is not sustainable. The chemical method has secondary soil pollution and has certain limitat...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G7/06A01C1/00
CPCA01G31/00A01G7/06A01C1/00Y02P60/21
Inventor 崔红利李润植朱晓丽程宇娇季春丽张春辉薛金爱
Owner SHANXI AGRI UNIV