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Method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds

A technology for C. chinensis and seeds is applied in the field of relieving the dormancy of C. chinensis seeds and promoting their germination and promoting the germination of seeds. , the effect of simple operation

Inactive Publication Date: 2011-10-05
DALIAN NATIONALITIES UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in production, the usual method to relieve the dormancy of sweet-scented clover seeds and promote their germination is mainly to destroy the seed coat. The method used is to use rice mills, stone rollers and other equipment for rolling and shelling, or to use sandpaper and quartz sand for repeated friction. To achieve the purpose of removing the seed coat of sweet clover seeds, breaking seed dormancy and improving its germination rate, but these methods all have the disadvantages of high degree of seed damage, uneven removal of seed coat, inconsistent production standards, difficulty in grasping the degree of production operation, and waste of seeds. Serious problems such as inconsistent seed germination time and difficult to effectively increase the seed germination rate greatly limit the genetic breeding and production application of sweet clover

Method used

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  • Method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds
  • Method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds
  • Method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds

Examples

Experimental program
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Effect test

Embodiment 1

[0025] ① Melilotus seeds: Melilotus species is Chifeng Melilotus, new seeds of the year.

[0026] ②Experimental method: the first group: control group (CK), the pretreated seeds were directly placed in a light incubator at 25°C for germination; the second group: sandpaper friction group (SZ), the pretreated seeds were first placed on fine sandpaper, The seeds were repeatedly rubbed for 2-3 minutes, and then placed in a light incubator at 25°C for germination; the third group: the alkaline solution treatment group (JR), soaked in 25% NaOH solution for 2 hours, washed with water at 15°C, and dried naturally. Placed in a light incubator at 25°C for germination; the fourth group: laser irradiation group (JG), the pretreated seeds were first placed in a He-Ne laser with a wavelength of 632.8nm and an output power density of 128mW / cm2, and the radiation dose was 35.0J / cm2, radiation time 60S, and then placed in a light incubator at 25°C for seed germination; the fifth group: mixed ...

Embodiment 2

[0031] ①Melilotus seeds: the species of Melilotus is Heilongjiang Melilotus, and the storage time is 6 years.

[0032] ②Experimental method: the same as in Example 1, the temperature of the clear water is 15°C.

[0033] ③Determination results: from Table 2, Image 6 , Figure 7 , Figure 8 , Figure 9 It can be seen that the effects of the five different treatments on the seed germination potential, germination rate, seedling height, and root length of Melilotus Chifeng in the same year are very different, and the four indicators of the experimental treatment HH (experiment code 5) are the highest. The four indicators of CK in the untreated control group were the lowest, and the differences between the two reached extremely significant levels, indicating that the seeds of sweet-scented clover were treated with alkaline treatment first, and then with laser irradiation treatment, which had the best effect.

[0034] Table 2 Effects of different treatments on the germination o...

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Abstract

The invention relates to the field of practaculture science, and discloses a method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds. The method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds comprises the following steps of: 2-hour soaking in a 25-percent NaOH solution, cleaning in clear water of 10 to 20 DEG C, natural ventilation and drying, and 60-second He-Ne laser radiation with the radiation dose being 35.0 joules per square centimeters. According to the method for breaking seed dormancy of sweet clover and promoting germination of sweet clover seeds, the hard seed percentage of sweet clover can be effectively reduced, seed dormancy of sweet clover is broken, improve the water absorbing capacity of sweet clover seeds is improved, germination of sweet clover seeds is promoted, and the germination rate of sweet clover seeds and growing capacity of seedlings are increased. The method for breakingseed dormancy of sweet clover and promoting germination of sweet clover seeds is characterized by simple operation, large treatment amount, easy master for workers and the like, and has higher application value on genetic breeding of sweet clover, high-efficiency utilization of the dried seeds of sweet clover, planting of sweet clover pastures, and large-area popularization of sweet clover.

Description

technical field [0001] The invention relates to a method for promoting seed germination, in particular to a method for releasing dormancy of sweet-scented clover seeds and promoting their germination, which belongs to the field of herbaceous science. Background technique [0002] Sweet clover (Melilotus suaveolens L) is a leguminous herb with strong stress resistance and has the characteristics of shade tolerance, cold tolerance, drought resistance, salt tolerance, and poor soil tolerance. It has wide adaptability and can be used as pasture, green manure, and It can prevent wind and sand, and maintain water and soil. Melilotus melilotus has a well-developed root system and deep penetration into the soil. It has strong stress resistance and wide adaptability, and has a certain fresh grass yield. It has a great effect on improving soil and fertilizing soil fertility. It is an excellent forage crop. , eco-friendly plants and fertilizer crops. Although sweet-scented osmanthus ...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 杨宝灵姜健王冰金黎明
Owner DALIAN NATIONALITIES UNIVERSITY
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