Sterculia nobilis seedling raising method suitable for karst rocky mountain afforestation

A Ping Po and Shishan technology, applied in the field of Ping Po seedling breeding, can solve the problems of reducing the genetic diversity of the population, increasing the susceptibility of the population, and being unsuitable for vegetation restoration, and achieving the effects of retaining genetic diversity, developed root system and low cost.

Pending Publication Date: 2021-04-13
GUANGXI INST OF BOTANY THE CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing seedling raising methods of Pingpo seeds are directly sowing and then transplanting, but Pingpo belongs to taproot plants, and the untreated seedlings basically have only one independent main root, and the lateral roots are rare, while the karst area has more rocks and less soil. The ability of the soil to retain water is weak, and the nutrients are also low. The seedlings with few lateral roots are transplanted to karst mountainous areas, and the survival rate is low.
Compared with the existing seedlings, cutting seedlings have more root systems, but they belong to clonal propagation, which will reduce the genetic diversity of the population, shorten the lifespan of the plants, increase the susceptibility of the population, and be easy to degenerate, so it is not suitable for vegetation restoration in rocky desertification areas

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] The method for cultivating seedlings suitable for karst stone mountain afforestation of the present embodiment comprises the following steps:

[0066] Step 1: Seed collection and processing

[0067] In July 2016, the mature and plump Pingpo fruits were collected and shelled to obtain seeds; the seeds were soaked in 0.5% potassium permanganate solution for 1 hour, rinsed with clean water after removal, and the treated seeds were obtained.

[0068] Step 2: Nursery site preparation

[0069] Choose leeward sunny, loose soil, well-drained flat land or gentle slope land as the nursery field; deep plowing was carried out in the winter of last year, and 15 days before planting, raking was carried out, and then the bed was raised to make a seedbed. The width of the seedbed was 1m and the length was 7m, the height is 15cm, and the width of the trail between two adjacent seedbeds is 40cm. After wetting with 0.3% potassium permanganate solution by mass percentage, cover the film ...

Embodiment 2

[0083] The method for cultivating seedlings suitable for karst stone mountain afforestation of the present embodiment comprises the following steps:

[0084] Step 1: Seed collection and processing

[0085] In August 2016, mature and plump Pingpo fruits were collected and shelled to obtain seeds; the seeds were soaked in 0.5% potassium permanganate solution for 1.1 hours, rinsed with clean water after removal, and treated seeds were obtained.

[0086] Step 2: Nursery site preparation

[0087] Choose leeward sunny, loose soil, well-drained flat land or gentle slope land as the nursery field; deep plowing was carried out in the winter of last year, and 18 days before planting, raking was carried out, and then the bed was raised to make a seedbed. The width of the seedbed was 1 m and the length was 1 m. 8.5m, the height is 15cm, and the width of the trail between two adjacent seedbeds is 40cm. Wet with 0.3% potassium permanganate solution, cover the film for 2.5 days, and then u...

Embodiment 3

[0101] The method for cultivating seedlings suitable for karst stone mountain afforestation of the present embodiment comprises the following steps:

[0102] Step 1: Seed collection and processing

[0103] In mid-June 2018, mature and plump Pingpo fruits were collected and shelled to obtain seeds; the seeds were soaked in 0.5% potassium permanganate solution for 1.2 hours, rinsed with clean water after removal, and treated seeds were obtained.

[0104] Step 2: Nursery site preparation

[0105] Choose leeward sunny, loose soil, well-drained flat land or gentle slope land as the nursery field; deep plowing was carried out in the winter of last year, and 20 days before planting, raking was carried out, and then the bed was raised to make a seedbed. The width of the seedbed was 1m and the length was 10m, the height is 15cm, and the width of the trail between two adjacent seedbeds is 40cm. After being wetted with 0.3% potassium permanganate solution by mass percentage, the film i...

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PUM

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Abstract

The invention discloses a sterculia nobilis seedling raising method suitable for karst rocky mountain afforestation, and belongs to the technical field of sterculia nobilis seedling raising. The sterculia nobilis seedling raising method suitable for karst rocky mountain afforestation comprises the following steps that 1, seed collecting and treating; 2, nursery land preparation; 3, sowing; 4, shading and watering; 5, preparing a seedling culture container and a substrate; 6, cutting roots and transplanting seedlings; 7, seedling management; and 8, outplanting and afforestation. Compared with a seed seedling raising method in the prior art, the seedling raising method has the advantages that the root systems of the seedlings cultured by the seedling raising method are more developed, the roots are richer, and the transplanting survival rate is higher; and compared with a cutting seedling raising method in the prior art, the seedling raising method has the advantages that the population genetic diversity of the seedlings can be reserved, the overall resistance of the population is enhanced, and the cultured seedlings are more suitable for karst rocky mountain vegetation recovery.

Description

technical field [0001] The invention relates to a method for raising seedlings of syringae suitable for afforestation in karst rocky mountains, and belongs to the technical field of raising seedlings of syringae. Background technique [0002] Sterculia monosperma (Sterculia monosperma) is an evergreen tree of the genus Sterculia in the family Wutong. It is also called water hyacinth fruit, seven sister fruit, nine-layer skin, etc. It is distributed in Guangdong, Guangxi, Fujian, Yunnan, Guizhou and Taiwan. Guangxi has a large area of ​​karst mountains, with many rocks and little soil, barren soil, poor water retention capacity, and an extremely fragile ecological environment. Pingpo has the characteristics of drought resistance, heat resistance, easy growth, fast growth, disease resistance, insect resistance and strong ecological adaptability, and has the potential to promote planting in karst rocky mountains. The seeds of Pingpo can be eaten after being boiled, and taste s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01C21/00A01G7/06A01G9/029A01G13/02A01G13/10A01G24/10A01G24/20A01G25/00
CPCA01G17/005A01G7/06A01G9/0291A01G13/0231A01G13/10A01G25/00A01G24/10A01G24/20A01C21/005Y02P60/40Y02A40/22
Inventor 黄甫昭李先琨陆树华谭艳芳李冬兴李健星陈婷
Owner GUANGXI INST OF BOTANY THE CHINESE ACAD OF SCI
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