Application of Gamma-aminobutyric acid in enhancing salt-stressed maize photosynthesis and regulating endogenous hormone
A technology of aminobutyric acid and endogenous hormones, applied in the direction of chemicals, applications, and plant growth regulators for biological control, which can solve problems such as unclear physiological meanings, and achieve simple, high-activity, and operable treatment methods strong effect
Inactive Publication Date: 2016-12-14
NORTHEAST AGRICULTURAL UNIVERSITY
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Studies show that GABA is high in the normal mammalian brain, but its physiological significance remains unclear
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specific Embodiment approach 1
[0053] Embodiment 1: In this embodiment, γ-aminobutyric acid enhances photosynthesis of corn under salt stress and regulates endogenous hormones, specifically, γ-aminobutyric acid has a regulating effect on endogenous hormones of corn seedlings under salt stress.
specific Embodiment approach 2
[0054] Embodiment 2: This embodiment differs from Embodiment 1 in that γ-aminobutyric acid increases the endogenous GABA content of maize leaves and roots under salt stress. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0055] Embodiment 3: This embodiment differs from Embodiment 1 in that γ-aminobutyric acid increases the auxin content of maize leaves under salt stress, and γ-aminobutyric acid relieves the decline of auxin content in maize roots under salt stress. Others are the same as in the first embodiment.
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The invention relates to application of Gamma-aminobutyric acid in enhancing salt-stressed maize photosynthesis and regulating endogenous hormone and relates to application of Gamma-aminobutyric acid in maize growth and development. The invention is intended to provide novel application of Gamma-aminobutyric acid. The Gamma-aminobutyric acid can regulate salt-stressed endogenous hormone in maize seedlings. The content of endogenous GABA in salt-stressed maize leaves and roots is increased. The decrease in the content of endogenous hormone in salt-stressed maize roots is relieved. The content of gibberellin in salt-stressed leaves and roots is increased. The decrease in the content of zeatin riboside in salt-stressed maize leaves and roots is relieved. The content of abscisic acid in salt-stressed leaves and roots is decreased. The Gamma-aminobutyric acid can regulate salt-stressed maize leave photosynthetic system, thereby increasing SPAD (soil and plant analyzer development) value, photosynthetic rate, transpiration rate and stomatal conductance for maize leaves. The application is used in the field of maize cultivation.
Description
technical field [0001] The invention relates to the use of gamma-aminobutyric acid to enhance corn photosynthesis and regulate endogenous hormones 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...
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IPC IPC(8): A01N37/44A01P21/00
CPCA01N37/44
Inventor 顾万荣孟瑶李晶曲丹阳李丽杰谢腾龙王泳超魏湜
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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