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Purpose of gamma-aminobutyric acid for improving corn seed germination and root system growth under salt stress

A technology of aminobutyric acid and root growth, which is applied in the fields of seed and rhizome treatment, application, gardening, etc., can solve problems such as unclear physiological meaning, and achieve the effect of simple processing method, high activity, and strong operability

Inactive Publication Date: 2016-12-07
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Studies show that GABA is high in the normal mammalian brain, but its physiological significance remains unclear

Method used

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  • Purpose of gamma-aminobutyric acid for improving corn seed germination and root system growth under salt stress
  • Purpose of gamma-aminobutyric acid for improving corn seed germination and root system growth under salt stress
  • Purpose of gamma-aminobutyric acid for improving corn seed germination and root system growth under salt stress

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Experimental program
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specific Embodiment approach 1

[0043] Specific Embodiment 1: In this embodiment, γ-aminobutyric acid is used to improve corn seed germination and root growth under salt stress, specifically, γ-aminobutyric acid can promote corn seed germination and seedling growth under salt stress.

specific Embodiment approach 2

[0044] Embodiment 2: This embodiment differs from Embodiment 1 in that γ-aminobutyric acid promotes seed germination of corn salt-sensitive varieties under salt stress better than salt-tolerant varieties. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0045] Specific embodiment three: the difference between this embodiment and specific embodiment one is that γ-aminobutyric acid has a promoting effect on the growth of corn seed radicle and coleoptile under salt stress, and γ-aminobutyric acid has a positive effect on radicle under salt stress. The effect of promoting growth is higher than that of coleoptile. Others are the same as in the first embodiment.

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Abstract

The invention provides a purpose of gamma-aminobutyric acid for improving corn seed germination and root system growth under salt stress, relates to the purpose of the gamma-aminobutyric acid for the growth and development of corn, and aims to provide a new purpose of the gamma-aminobutyric acid. The gamma-aminobutyric acid has a promoting effect on the corn seed germination and seedling growth, has a promoting effect on growth of corn seed radicles and coleoptiles under the salt stress, and is higher in promoting effect on the growth of the radicles under the salt stress than that the coleoptiles. The restraining effect of the salt stress on the activity of alpha-amylases can be relieved, so that the restraining effect of the salt stress on the heights of corn seedlings is relieved. Accumulation of the fresh weight and the dry weight of stems and leaves under the salt stress is restored. The gamma-aminobutyric acid has the promoting effect on the growth of the seedling root systems under the salt stress, specifically relieves the restraining effect of NaCl on root fresh weight, root dwt, root lengths, root surface areas, root volume, root average diameters and root tip number, and is used in the field of breeding of corn.

Description

technical field [0001] The invention relates to the use of gamma-aminobutyric acid for improving corn seed germination and root growth under salt stress. Background technique [0002] Corn is an important food and feed crop in my country, and occupies an important position in the national economy. Salinized soil is a widely distributed low-yield soil, which is one of the main environmental factors causing crop yield reduction worldwide. Salt stress will affect the normal growth and development of crops, and maize is a moderately salt-sensitive crop. Salt stress will seriously affect the physiological metabolism of maize, thus directly affecting the growth and development of maize and the formation of yield and quality. [0003] γ-Aminobutyric acid (GABA) is a four-carbon non-protein amino acid that exists in various organisms in a free state. It is very soluble in water, which depends on its multiple configurations in plants. The seeds of plants such as ginseng, jicama, et...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G7/06
CPCA01C1/00A01G7/06
Inventor 顾万荣王泳超李丽杰谢腾龙曲丹阳李晶孟瑶
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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