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

A technology for promoting plant growth and apigenin, applied in the directions of plant growth regulators, plant growth regulators, applications, etc., can solve problems such as the decline of economic yield of crops, and achieve the effect of improving salt stress resistance, promoting plant growth, and achieving remarkable effects. Effect

Active Publication Date: 2020-12-18
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 preparation of preparation for promoting plant growth and improving plant salt tolerance
  • Application of apigenin in preparation of preparation for promoting plant growth and improving plant salt tolerance
  • Application of apigenin in preparation of preparation 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 Figure 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 an application of apigenin in preparation of a preparation for promoting plant growth and improving plant salt tolerance. As a plant metabolite, apigenin can play a role in resisting oxidative stress of plants. The apigenin disclosed by the invention is applied to plant seeds subjected to salt stress, so that the germination rate and the seed germination speed of the seedsunder salt stress can be remarkably improved; the plant height, the root length, the fresh weight or the survival rate of plant seedlings under salt stress can be remarkably improved, and the salt stress resistance of plants is improved; apigenin is applied under normal conditions, so that plant growth can be promoted, and bud length, root length and fresh weight are increased. Therefore, the apigenin plays an important role in seedling protection, seedling strengthening and salt stress improvement. The application method is simple to use and remarkable in effect.

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 Applications(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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