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Method for breaking dormancy of Nitraria roporowskii Kom seeds

A large white and seed technology, applied in the directions of seed and rhizome treatment, germination equipment, application, etc., can solve the problems of poor effect of dormancy release of large white thorn seeds, unsuitable for commercial utilization of seeds, dangerous environmental pollution and other problems, and achieves good results. The effect of releasing dormancy, improving the germination rate of seeds, and facilitating commercial utilization

Inactive Publication Date: 2019-01-11
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) The reagents used are potentially dangerous and polluting to the environment, direct discharge will pollute the water environment and soil environment, and the cost of recycling will be expensive;
[0005] (2) It is not economical and practical enough, and the economic cost is relatively high;
[0006] (3) The dormancy-relieving effect on Nitraria japonica seeds is not good;
[0007] (4) Seeds released from dormancy are not suitable for commercial utilization

Method used

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  • Method for breaking dormancy of Nitraria roporowskii Kom seeds
  • Method for breaking dormancy of Nitraria roporowskii Kom seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Soak the fruit of Nitraria japonicus in water at 20°C for 24 hours, remove the pulp, and then rinse to obtain the drupe of Nitraria japonicus without pulp, then filter and dry the surface water, and store it at 20°C for future use.

[0042] After pre-storing for 1 day, soak the above-mentioned Nitraria japonica drupes without pulp in a freshly prepared gibberellin solution with a mass concentration of 0.05% and a temperature of 20°C for 96 hours, and replace the gibberellin solution every 48 hours.

[0043] After soaking, dry the Nitraria drupe at 20°C until the water content of the Nitraria drupe is 10.2 wt%, and turn the Nitraria drupe once every 12 hours during the drying process.

[0044] After drying, the obtained Nitraria japonica seeds were inspected for quality, so as to select good quality Nitraria japonica seeds and store them at -20°C for future use.

Embodiment 2

[0046] Soak the fruit of Nitraria japonicus in water at 25°C for 18 hours, remove the pulp, and then rinse to obtain the drupe of Nitraria japonicus without pulp, then filter and dry the surface water, and store it at 25°C for future use.

[0047] After pre-storing for 3 days, soak the above-mentioned Nitraria japonica drupes without pulp in a freshly prepared gibberellin solution with a mass concentration of 0.06% and a temperature of 22°C for 88 hours, and replace the gibberellin solution every 24 hours.

[0048] After soaking, dry the Nitraria drupe at 30°C until the water content of the Nitraria drupe is 8.8 wt%, and turn the Nitraria drupe once every 18 hours during the drying process.

[0049] After drying, the obtained Nitraria japonica seeds were inspected for quality, so as to select good quality Nitraria japonica seeds and store them at 0°C for future use.

Embodiment 3

[0051] Soak the fruit of Nitraria japonicus in water at 35°C for 6 hours, remove the pulp, and then rinse to obtain the drupe of Nitraria japonicus without pulp, then filter and dry the surface water, and store it in advance at 0°C for later use.

[0052] After pre-storing for 4 days, soak the above-mentioned Nitraria japonica drupes without pulp in a freshly prepared gibberellin solution with a mass concentration of 0.07% and a temperature of 25°C for 80 hours, and replace the gibberellin solution every 40 hours.

[0053] After soaking, dry the Nitraria drupe at 40°C until the water content of the Nitraria drupe is 6.5 wt%, and turn the Nitraria drupe once every 24 hours during the drying process.

[0054] After drying, quality inspection is carried out on the obtained Nitraria japonica seeds, so as to select good quality Nitraria japonica seeds and store them under the condition of 25°C for future use.

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Abstract

The invention relates to a method for breaking the dormancy of Nitraria roporowskii Kom seeds, and belongs to the technical field of seed treatment. The method comprises the following steps: Nitrariaroporowskii Kom drupes free from pulp are immersed in a gibberellin solution, and the gibberellin solution is replaced one time every 24-48 h; the immersion period is 72-96 h when the mass concentration of the gibberellin solution is 0.05-0.08%; and the immersion period is 48-72 h when the mass concentration of the gibberellin solution is 0.08-0.1%. The method has the advantages of good process, low cost, no potential danger or pollution, good dormancy breaking effect on the Nitraria roporowskii Kom seeds, promotion of seed germination, improvement of the germination rate of the seeds, and facilitation of commercial utilization.

Description

technical field [0001] The invention belongs to the technical field of seed treatment, and in particular relates to a method for releasing dormancy of Nitraria japonica seeds. Background technique [0002] Nitraria japonica is an important shrub in the desert area of ​​Northwest my country, with important ecological and economic value. Generally, the seeds of Nitraria japonica have a high dormancy rate and a low seed germination rate. [0003] At present, there are Nitraria tangutica (commonly known as Nitraria) and Nitraria small fruit (also known as Nitraria Siberia) on the market to release the method of seed dormancy. However, Nitraria macrophylla is a different species from Nitraria macrophylla and Nitraria small fruit, and the seed dormancy is quite different. And, there is at least the following shortcoming in the method that existing Nitraria thorn and Nitraria small fruit seed dormancy are removed: [0004] (1) The reagents used are potentially dangerous and poll...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/02
CPCA01C1/00A01C1/02
Inventor 曾彦军张志雄马英吴可彭卓伟
Owner LANZHOU UNIVERSITY
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