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Application of apigenin in preparing preparations for promoting plant growth and improving plant salt tolerance

A technology that promotes plant growth and apigenin, applied in plant growth regulators, plant growth regulators, applications, etc., can solve problems such as crop economic yield decline, and achieve the effects of improving salt stress resistance, simple use, and heightening

Active Publication Date: 2021-06-29
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High salt affects seed germination, seedling growth and vigor, and plant flowering and fruiting, ultimately leading to a decline in crop economic yield (Sairam & Tyagi, 2004)

Method used

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  • Application of apigenin in preparing preparations for promoting plant growth and improving plant salt tolerance
  • Application of apigenin in preparing preparations for promoting plant growth and improving plant salt tolerance
  • Application of apigenin in preparing preparations for promoting plant growth and improving plant salt tolerance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, apigenin can promote plant growth: seed germination and seedling growth

[0026] 1. Select plump and healthy wheat seeds, millet seeds, and tobacco seeds. First, sterilize the seed surface with 70% ethanol for 20 seconds, and then wash it with sterile water for 5-6 times. The seeds of the control group and the experimental group were soaked in the corresponding treatment solution for 12 hours for pretreatment. Three groups of parallels were used for each treatment, with 50 seeds in each parallel.

[0027] Spread the soaked seeds on a 9 cm glass Petri dish with sterilized filter paper placed in advance, and cultivate them at 25°C. Add 5 mL of the corresponding treatment solution to each Petri dish. Count the germination data every day, and count the shoot length, root length and fresh weight. Described seed germination rate, wheat is the germination rate of the 2nd day, millet is the germination rate of the 3rd day, tobacco is the germination rate of th...

Embodiment 2

[0038] Embodiment 2, apigenin can improve the salt tolerance of plant seeds

[0039] 1. Select plump and healthy wheat seeds, millet seeds, and tobacco seeds. First, sterilize the seed surface with 70% ethanol for 20 seconds, and then wash it with sterile water for 5-6 times. The seeds of the control group and the experimental group were soaked in the treatment solution for 12 hours respectively for pretreatment. Three parallel groups were used for each treatment, with 50 seeds per parallel.

[0040] Spread the soaked seeds on a 9 cm glass Petri dish with sterilized filter paper placed in advance, and cultivate them at 25°C. Add 5 mL of the corresponding treatment solution to each Petri dish. Germination data were counted daily. Described seed germination rate, wheat is the germination rate of the 2nd day, millet is the germination rate of the 3rd day, tobacco is the germination rate of the 5th day; Germination potential, tobacco is the germination potential of the 7th da...

Embodiment 3

[0048] Embodiment 3, apigenin can improve the salt tolerance of plant seedlings

[0049] 1. Select plump and healthy wheat seeds, millet seeds, and tobacco seeds. First, sterilize the seed surface with 70% ethanol for 20 seconds, and then wash it with sterile water for 5-6 times. Two days after the germination of wheat, three days after the germination of millet, and five days after the germination of tobacco, the seedlings with the same growth were selected and treated with corresponding solutions. Observe the phenotype. The shoot length, root length, fresh weight and survival rate were counted.

[0050] Depend on Image 6 , Figure 7 , Figure 8 It can be seen that, compared with the control, exogenous application of apigenin under salt stress conditions can significantly promote the growth of plants.

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Abstract

The invention discloses the application of apigenin in preparing a preparation for promoting plant growth and improving plant salt tolerance. As a plant metabolite, apigenin can play a role in plant defense against oxidative stress. The apigenin of the present invention is applied to the plant seeds under salt stress, which can significantly improve the germination rate and seed germination speed of the seeds under salt stress; and can significantly improve the plant height, root length, fresh weight or Survival rate, improve the ability of plants to resist salt stress; application of apigenin under normal conditions can also promote plant growth, increase shoot length, root length and fresh weight. Therefore, apigenin plays an important role in protecting seedlings, strengthening seedlings and improving salt stress. The application method of the present invention is simple to use and has remarkable effects.

Description

technical field [0001] The invention belongs to the field of biology, and in particular relates to the application of apigenin in preparing preparations for promoting plant growth and improving plant salt tolerance. Background technique [0002] Apigenin, Belongs to flavonoids, mainly found in Daphneaceae, Verbenaceae, Selaginaceae plants, such as Daphne genkwa, Selaginella has a large content. It can inhibit the carcinogenic activity of carcinogens, and can be used as an antiviral drug for treating HIV and other viral infections; it can treat various inflammations; it can resist oxidation; As a plant endogenous metabolite, the content of apigenin will change greatly during the process of plants resisting salt stress, indicating that apigenin may be involved in the process of plants resisting salt stress. [0003] Soil salinization seriously affects the growth and quality of crops, and has become one of the main environmental factors limiting crop yields today. High salt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/16A01P21/00A01C1/00A01G7/06
CPCA01C1/00A01G7/06A01N43/16
Inventor 吴长艾肖圣慧万夷曼白依超郑成超
Owner SHANDONG AGRICULTURAL UNIVERSITY
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