Delavay peony bark seed propagation method

A seed and peony technology, applied in the field of seed breeding of Yunnan peony, can solve the problems of low germination rate, narrow distribution range, population threat, etc., and achieve the effects of easy promotion and application, high breeding efficiency, and simple operation

Inactive Publication Date: 2017-10-24
YUNNAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its narrow distribution range, poor natural reproductive capacity, and the continuous destruction of vegetation, its population is seriously threatened. Therefore, it is of great significance to develop its seedling propagation technology for species protection.
[0003] At p

Method used

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  • Delavay peony bark seed propagation method
  • Delavay peony bark seed propagation method
  • Delavay peony bark seed propagation method

Examples

Experimental program
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Effect test

Embodiment 1-1

[0047]After the seeds are peeled off from the peel, do not do any treatment, and then sow, the sowing number is 1000, the average germination time of the seeds sown in this way is 58 days, the germination number is 764 strains, and the germination rate is 76.4%; after sowing, 120 The seedling height and ground diameter were measured every day, and the average seedling height was 72mm, and the average ground diameter was 2.12mm.

Embodiment 1-2

[0049] After the seeds are peeled off from the peel, soak the seeds in clean water for 30 minutes, then soak them in 100ppm gibberellin for 2 hours, and then sow them. The number of sown seeds is 1000. The average germination time of seeds sown in this way For 67 days, the number of sprouts was 854, and the germination rate was 85.4%. The seedling height and ground diameter were measured 120 days after sowing, and the average seedling height was 67mm, and the average ground diameter was 2.11mm.

Embodiment 1-3

[0051] After the seeds are peeled off from the peel, soak the seeds in clean water for 30 minutes, then soak them in 600ppm gibberellin for 2 hours, and then sow them. The number of sown seeds is 1000. The average germination time of seeds sown in this way After 25 days, the number of sprouts was 917, and the germination rate was 91.7%. The seedling height and ground diameter were measured 120 days after sowing, and the average seedling height was 78mm, and the average ground diameter was 2.75mm.

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Abstract

The invention provides a delavay peony bark seed propagation method, and belongs to the technical field of seed propagation. The method includes the steps of land selection, seed preparation, seeding, management after seeding and transplantation. During land selection, a plot with loose soil, long sunshine duration, ventilation property, good drainage property and sufficient water resources is selected as a nursery land, ripe delavay peony bark fruits are picked in September, fruit peel is stripped down to obtain fresh seeds, moldy, worm-eaten or imperfect seeds are removed, the selected seeds are placed into clear water and soaked for 20-40 minutes in the same day, the seeds are soaked in 100-1000ppm gibberellin for 0.5-6 hours, taken out, drained and then uniformly spread to the nursery land in the same day, the seeds are covered with a matrix soil layer, the matrix soil layer is covered with a moisturizing layer, a seeded seedling bed is watered and drenched to 5-15cm, and transplantation can be performed 11-12 months after seeding. The method is simple in operation, high in propagation efficiency and convenient in popularization and application.

Description

technical field [0001] The invention relates to the technical field of seed breeding, in particular to a method for seed breeding of yunnanensis peony. Background technique [0002] Dian peony belongs to Paeoniaceae Paeoniaceae Paeoniae genus peony group plant, is a rare and endangered species unique to my country, and is listed as a national third-level protected plant. It is mainly distributed from central to northwest Yunnan, namely southwestern Sichuan, northwestern Yunnan and southeastern Tibet. It is the southernmost peony group in the Paeoniae genus. The flower color of Yunnan peony is gorgeous, and it has the rare yellow flower gene resources among the cultivated varieties of Yunnan peony. In addition, its root bark also has important medicinal value. It is cold in nature and sour in taste. The central nervous system has the functions of dilating coronary blood vessels, lowering blood pressure, inhibiting bacteria, anti-inflammation, and anti-coagulation. Peony see...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G1/00
CPCA01C1/00
Inventor 谭芮王娟杨卫原晓龙呼延丽华梅王毅陈剑陈中华王四海
Owner YUNNAN ACAD OF FORESTRY
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