Method for improving germination rate of seeds of longdong wild alfalfa

A technology of alfalfa and germination rate, applied in the directions of seed and rhizome treatment, application, agriculture, etc., can solve the problems of high treatment cost, blackening of seeds, danger, etc., and achieves a simple and easy method, low treatment cost, beneficial to seedling effect

Inactive Publication Date: 2011-02-02
GANSU AGRI UNIV
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Problems solved by technology

[0004] At present, in order to increase the germination rate of wild alfalfa seeds in Longdong, the seeds can be pretreated by soaking and drying in warm water before the seeds germinate. High defects; at the same time, in order to improve the germination rate of Longdong wild alfalfa seeds, the seeds can also be pretreated by soaking seeds in strong acid before the seeds germinate. After the soaking treatment, the treated seeds turn black, the treatment cost is high and dangerous, and it is not suitable for promotion

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  • Method for improving germination rate of seeds of longdong wild alfalfa

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Experimental program
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Embodiment 1

[0016] Select 1580 mature seeds of Longdong wild alfalfa with plump and glossy seeds, divide into five groups, 316 grains in each group, and adopt the following methods to carry out seed pretreatment before germination: 1, do not do any treatment (contrast); 2 1. Cutting the seed coat with a blade until the seeds turn white; 3. Grinding the seed coat with sandpaper until the seeds turn white; 4. Soaking the seeds in 98% sulfuric acid; 5. Drying the seeds. The above-treated seeds were subjected to standard germination tests.

[0017] The test results are shown in the table below:

[0018] Effects of various pretreatment methods on germination rate of wild alfalfa seeds in Longdong

[0019]

[0020] It can be seen from the above table that the seed germination rate of the blade scratched and sandpapered seed coats was 92.1% to 92.7%, which was 56.3 to 56.9% higher than that of the control seed germination rate of 35.8%, and 80.1% higher than the germination rate of the conce...

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Abstract

The invention relates to the technical field of seed germination, in particular to a method for improving the germination rate of seeds of longdong wild alfalfa. The method of the invention is to perform seed skin breaking pretreatment of the seeds by scraping or crushing before the germination of the seeds till the white parts of the seeds can be seen. The method for improving the germination rate of the seeds of longdong wild alfalfa has the advantages of simple treatment process, short treatment time, low cost, large treatment amount, easy manual control, and easy promotion.

Description

technical field [0001] The invention relates to the technical field of seed germination, in particular to a method for improving the germination rate of Longdong wild alfalfa seeds. Background technique [0002] Alfalfa (Medicago sativa) is one of the most important leguminous forages in the world, known as the "king of pastures", and is widely distributed all over the world. Although it has many advantages such as rich nutrition, strong adaptability, soil improvement and nitrogen fixation, it needs to be further improved in terms of yield, quality and stress resistance. Compared with cultivated alfalfa, wild alfalfa often has cold and drought resistance, strong disease resistance, strong expansion, wide adaptability and other characteristics that cultivated alfalfa does not have. Therefore, using wild alfalfa germplasm resources as parents, through conventional cross breeding combined with modern biotechnology such as transgene and cell fusion, has become an important way ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00
Inventor 师尚礼王娟李玉珠曹文侠陶茸
Owner GANSU AGRI UNIV
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