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A method for rapidly and effectively improving the germination rate of Sophora hainanensis seeds

A germination rate and seed technology, applied in the field of plant reproduction, can solve the problems affecting the large-scale reproduction of Sophora japonica and low seed germination rate, and achieve the effects of low cost, good quality of seed buds, and short time consumption.

Inactive Publication Date: 2020-11-17
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, seeds are used to propagate Sophora hainanensis, and the germination rate of its seeds is very low, only about 10%, which seriously affects the large-scale propagation of Sophora hainanensis.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1. Collecting seeds: Select Hainan Sophora japonica strains with strong growth, strong stress resistance, and strong resistance to diseases and insect pests from the Wenchang Island Plant Breeding Base in Hainan as the harvested plants, collect mature fruits of Sophora hainansis by hand, and put them into a well-ventilated seed collection bag medium, dry naturally, rub off the fruit pods, and then expose the seeds in the sun for 16-24 hours, control the moisture content of the seeds stored within 9%-12%, and obtain the stored seeds, put the stored seeds into kraft paper bags, and place them at 4°C Store in the refrigerator.

[0017] 2. Disinfect seeds: Take the stored seeds out of the refrigerator and warm them up to room temperature under natural conditions, soak them in 70% ethanol aqueous solution for 30 seconds, then sterilize them with 0.1% potassium permanganate aqueous solution for 20 minutes. Rinse 5 times, dry the water on the surface of the seeds with sterile ...

Embodiment 2

[0022] 1. Collecting seeds: Select Hainan Sophora japonica strains with strong growth, strong stress resistance, and strong resistance to diseases and insect pests from the Wenchang Island Plant Breeding Base in Hainan as the harvested plants, collect mature fruits of Sophora hainansis by hand, and put them into a well-ventilated seed collection bag medium, dry naturally, rub off the fruit pods, and then expose the seeds in the sun for 16-24 hours, control the moisture content of the seeds stored within 9%-12%, and obtain the stored seeds, put the stored seeds into kraft paper bags, and place them at 4°C Store in the refrigerator.

[0023] 2. Disinfect seeds: take the stored seeds out of the refrigerator and warm them up to room temperature under natural conditions, soak them in 70% alcohol aqueous solution for 30 seconds, then disinfect them with 0.3% potassium permanganate aqueous solution for 15 minutes, and then use sterile water Rinse 4 times, dry the water on the surface...

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Abstract

The invention discloses a method for rapidly and effectively improving the germination percentage of sophora tomentosa seeds. The method comprises the following steps: a, collecting mature fruits of sophora tomentosa and naturally airing; rubbing to remove fruit pods; solarizing under sunlight for 16h to 24h to control the storage moisture of the seeds to be 9 percent to 12 percent, so as to obtain storage seeds; b, after disinfecting the storage seeds, cutting an opening on a seed coat of each seed in a manner of avoiding a seed embryo part; immersing the seeds in a seed treatment agent for 2 to 3 days to obtain swollen sophora tomentosa seeds, wherein each liter of the seed treatment agent is prepared from 50mg to 100mg of GA3 (Gibberellin 3), 0.05mg to 0.1mg of 6-BA (6-benzyladenine), 170mg to 340mg of potassium dihydrogen phosphate and the balance of water; c, sowing the swollen sophora tomentosa seeds into river sand with the moisture content of 20 percent to 25 percent and covering the seeds with the river sand. According to the method provided by the invention, seed germination is promoted, and the germination speed and germination percentage of the sophora tomentosa seeds can be effectively improved. The sophora tomentosa seeds are treated with chemical substances and the activity of enzymes at a seed germination period is activated; the metabolism of substances and energy is accelerated; a process is simple and reliable and is rapid and effective.

Description

technical field [0001] The invention belongs to the field of plant propagation, and in particular relates to a method for rapidly and effectively improving the germination rate of Sophora hainanensis seeds. Background technique [0002] Hainan locust tree, also known as Lingnan locust tree, is a perennial shrub or small tree of the genus Sophora in the family Caesalpiniaceae. It is a unique wild ornamental plant and feed plant in Hainan. Hainan Sophora japonica has strong stress resistance and salt-alkali tolerance. It is a native tree species in Hainan. It is very suitable for the greening and planting of artificially reclaimed islands and reefs in the South my country Sea and the landscaping of coastal cities. It has high economic, social and ecological benefits. . However, the germination rate of the seeds is very low, only about 10%, which seriously affects the large-scale propagation of Sophora hainanensis by seeds. Invention content: [0003] The object of the prese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00A01C1/08
CPCA01C1/00A01C1/08
Inventor 郑枫吴坤林曾宋君张建霞段俊
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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