Application of exogenous melatonin to improvement of salt tolerance of beet seedlings

A melatonin and salt-tolerance technology is applied in the application field of exogenous melatonin to improve the salt-tolerance of sugar beet seedlings, and can solve problems such as the lack of application of genes

Inactive Publication Date: 2020-07-24
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the complexities and controversies associated with GM crops, these genes have had little application in actual agricultural practice

Method used

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  • Application of exogenous melatonin to improvement of salt tolerance of beet seedlings
  • Application of exogenous melatonin to improvement of salt tolerance of beet seedlings
  • Application of exogenous melatonin to improvement of salt tolerance of beet seedlings

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to the following examples.

[0040] The invention discloses the application of melatonin in increasing the activity of antioxidant enzymes and the content of osmotic adjustment substances in plant tissues.

[0041] The plant tissue is in a salt-stressed environment. Further, the plant is a Chenopodiaceae dicotyledonous plant. The concentration of the active ingredient in the melatonin is 3-9 mM. The dicotyledonous plant of Chenopodiaceae is sugar beet KWS0143 (KWS company, Germany).

[0042] The invention also discloses an accelerator for antioxidant enzyme activity and osmotic adjustment substances in plant tissues, the active ingredient of which is melatonin (analytical pure, Sigma company).

[0043] Culture conditions: Sow the seeds in pots with vermiculite, place them in a plant growth room (23 / 18°C, day / night), light 14 hours a da...

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Abstract

The invention provides application of exogenous melatonin to improvement of salt tolerance of beet seedlings. Beet KWS0143 is taken as a test material to research the relationship between melatonin and leaf cell membrane damage, an antioxidant enzyme system and an osmotic regulation substance of beet under salt stress and discuss the action mechanism of melatonin in resisting salt stress of plants. A foundation is laid for exploring the action of melatonin on the salt resistance mechanism of beet, and possibility is provided for actual production in salt land.

Description

technical field [0001] The invention belongs to the technical field of biotechnology, and in particular relates to the application of exogenous melatonin to improve the salt tolerance of sugar beet seedlings. Background technique [0002] Soil salinization and secondary salinization are the main factors affecting agricultural production. At present, about 800 million hectares of land in the world have been salinized, including 20% ​​of cultivated land and nearly 50% of irrigated land (FAO , 2009; http: / / www.fao.org / ag / agl / agll / spush). The land salinization area in my country is about 99.13 million hm2, which has seriously threatened the sustainable development of the ecological environment and agriculture. Salt stress has many effects on plants: reducing chlorophyll content, causing physiological water deficit, ion toxicity; high concentration of salt will destroy the metabolic balance of active oxygen in plants, and the accumulation of active oxygen will lead to membrane l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/38A01P21/00
CPCA01N43/38
Inventor 刘磊李彩凤王玉波王彬王紫阳陈婧婷张树友赵猛刘新宇邹春雷刘丹武沛然佟桐刘笑鸣刘影杨芳芳
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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