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Method for breaking dormancy of paliurus hemsleyanus seeds

A copper coin tree and seed technology, which is applied in the fields of seed and rhizome treatment, application, agriculture, etc., can solve the problems of water impermeability, airtightness, low germination rate, etc., and achieve the effect of improving germination rate, being environmentally friendly, and reducing pollution rate.

Inactive Publication Date: 2018-11-23
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Copper money tree seeds have dormancy characteristics, and its shell is impermeable and airtight, and the seed shell is relatively hard. Under normal sowing conditions, it takes more than 2 years for copper money tree seeds to germinate, and its seed abortion rate is as high as 40%. , resulting in a very low germination rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1 of the present invention provides a method for breaking the dormancy of copper money tree seeds, including the following steps:

[0012] (1) Pretreatment: In order to avoid incomplete seed development and hard realization of seeds, collect mature copper coin seeds in August, and after removing the shells of mature copper coins seeds, select 50 full and undamaged seeds, and remove the seeds. Place the seeds in clean water and soak them at room temperature for 24 hours, and then soak the seeds in a gibberellin aqueous solution with a concentration of 50 mg / l for 22 hours, then take out the seeds and clean the seeds;

[0013] (2) Cultivation: Place the pretreated seeds in step (1) in a petri dish with filter paper, add an appropriate amount of water to the petri dish, and then place the petri dish in a constant temperature incubator at 25°C After cultivating for 16 days, the cotyledon of the copper coin seed breaks through the seed husk and is transplanted into the...

Embodiment 2

[0015] Embodiment 2 of the present invention provides a method for breaking seed dormancy of copper money tree, including the following steps:

[0016] (1) Pretreatment: After removing the shells of mature copper coin seeds, select 50 full and undamaged seeds, put the seeds in clean water and soak them at room temperature for 20 hours, and then put the seeds in a 100mg / l gibberellin aqueous solution After soaking for 24 hours, remove the seeds and clean them;

[0017] (2) Cultivation: Place the pretreated seeds in step (1) in a petri dish with filter paper, add an appropriate amount of water to the petri dish, and then place the petri dish in a constant temperature incubator at 23°C After cultivating for 16 days, the cotyledon of the copper coin seed breaks through the seed husk and is transplanted into the seedling substrate.

Embodiment 3

[0019] Embodiment 3 of the present invention provides a method for breaking seed dormancy of copper money tree, including the following steps:

[0020] (1) Pretreatment: After removing the shells of mature coin tree seeds, select 50 full and undamaged seeds, place the seeds in clean water and soak them at room temperature for 25 hours, and then put the seeds in a gibberellin solution with a concentration of 150 mg / l After soaking for 24 hours, remove the seeds and clean them;

[0021] (2) Cultivation: Place the pretreated seeds in step (1) in a petri dish with filter paper, add an appropriate amount of water to the petri dish, and then place the petri dish in a constant temperature incubator at 25°C After cultivating for 16 days, the cotyledon of the copper coin seed breaks through the seed husk and is transplanted into the seedling substrate.

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PUM

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Abstract

The invention discloses a method for breaking the dormancy of paliurus hemsleyanus seeds. The method comprises the following steps of (1) hulling the mature paliurus hemsleyanus seeds; then selectingfull and unbroken seeds; soaking the seeds in clean water for 20 to 30h; then, soaking the seeds in a gibberellin solution for 22 to 26h to obtain pretreated paliurus hemsleyanus seeds, wherein the content of the gibberellin in per liter of the gibberellin solution is 50 to 200mg; (2) culturing the pretreated paliurus hemsleyanus seeds for 16 days at the constant temperature of 23 to 27 DEG C. According to the method provided by the invention, the paliurus hemsleyanus seeds are firstly soaked by the clean water; then, the gibberellin solution at the certain concentration is used for soaking the seeds for 22 to 26h; various factors of paliurus hemsleyanus seed dormancy can be effectively relieved; the paliurus hemsleyanus seeds are promoted to fast break the dormancy; the seed germination rate is improved; the pretreated seeds are subjected to constant temperature culture; the dormancy breaking time of the paliurus hemsleyanus seeds is further shortened; the seed germination rate is further improved.

Description

Technical field [0001] The invention belongs to the technical field of plant planting, and in particular relates to a method for breaking dormancy of copper coin tree seeds. Background technique [0002] Paliurus hemsleyanus Rehder is a deciduous tree plant of the genus Rhamnaceae. It is born in a mountain forest below 1,300 meters above sea level. It can reach 15 meters high. Its bark is dark gray, and its branches are often thorny. Tolerance. As an indicator plant of limestone, the copper coin tree is mainly distributed in the mountains of Gansu, Shaanxi, Anhui, Jiangsu and Hunan. Copper coin seedlings have the characteristics of well-developed root system, high afforestation survival rate, strong growth of seedlings, rapid growth and resistance to diseases and insect pests. The seedlings can be used as rootstocks for grafting jujube trees, and their bark contains tannins, which can be used to extract tannin extract. Copper coin tree is an excellent tree species for landscapi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00
CPCA01C1/00
Inventor 张建赵振军武彦芳姚振徐思远
Owner YANGTZE UNIVERSITY
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