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A Seedling Raising Method for Improving the Seedling Rate of Rhodiola grandiflora

A technology of Rhodiola grandiflorum and seedling rate, applied in botany equipment and methods, planting substrates, horticulture, etc., can solve the problems that are not conducive to the large-scale planting of Rhodiola grandiflora, difficult to ensure the efficiency of seedling breeding, and high operating requirements. problems, to achieve the effects of shortening the time for nursery out, strong applicability and promotion, and stable technology

Active Publication Date: 2020-12-01
SICHUAN ACAD OF GRASSLAND SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method needs to soak the seeds for a long time, and the operation requirements are high and the cost is high
The invention patent with the application number 201611143165X discloses a seedling raising method for Rhodiola rosea seeds. After the seeds are air-dried, they are placed in a cellulase solution or a pectinase solution, ultrasonically treated, then soaked in a chitosan solution, and finally Sowing, this method also needs to pretreat the seeds, it is difficult to ensure the efficiency of seedling cultivation, and it is not conducive to the large-scale planting of Rhodiola grandiflora

Method used

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  • A Seedling Raising Method for Improving the Seedling Rate of Rhodiola grandiflora
  • A Seedling Raising Method for Improving the Seedling Rate of Rhodiola grandiflora
  • A Seedling Raising Method for Improving the Seedling Rate of Rhodiola grandiflora

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] 1. Seed collection and net selection: In the middle and late September of autumn, after the Rhodiola grandiflora fruit has just cracked or cracked, carefully cut off the fruit and dried it in the sun, removed the husk and impurities, and stored the seeds at room temperature;

[0051] 2. Seedling raising time: the seedling raising period in alpine regions (suitable for the growth of Rhodiola grandis) should be from late April to mid-May after the soil is thawed;

[0052] 3. Seedling container selection: the depth of the seedling tray (container) should not be less than 10cm;

[0053] 4. Ratio of sowing substrate: take plateau cultivated soil, decomposed cow dung, and vermiculite to prepare seedling substrate in a ratio of 4:2:1, place the prepared substrate in the sun to dry, sterilize, put it into a seedling container, and keep sowing The interface is smooth; the seeds are covered with substrate moisture and dried until the moisture content is not higher than 50%.

[0...

Embodiment 2

[0063] Example 2 Effects of Substrate Composition Ratio on Rhodiola daflora Seedling Emergence and Seedling Growth

[0064] According to the method described in embodiment 1, only change matrix composition, calculate the emergence rate of this method and the seedling growth rate, its result is shown in Table 1.

[0065] Table 1. Effects of matrix composition ratio on emergence and seedling growth of Rhodiola grandiflora seedlings

[0066]

[0067]

[0068] Note: a, b, and c in the table indicate differences, the same letter indicates no difference between groups, and different letters indicate difference between groups.

[0069] As can be seen from Table 1, different substrates have a significant impact on the seedling rate of Rhodiola rosea (F (5,24) =5.06, P=0.01), the selected substrates 5# (cultivated soil, cow dung, vermiculite in a ratio of 4:2:1) and 6# substrates had a significant effect on the emergence and establishment of Rhodiola grandiflora, On the whole, ...

Embodiment 3

[0070] The influence of embodiment 3 different seedling raising environments on the emergence and seedling growth of Rhodiola grandiflora

[0071] According to the method described in embodiment 1, only change seedling raising environment, calculate the emergence rate of this method and the seedling rate, its result is shown in Table 2.

[0072] Table 2. Effects of different seedling raising environments on the emergence and seedling growth of Rhodiola grandis

[0073]

[0074] Note: a, b, and c are used to indicate differences, the same letter indicates no difference between groups, and different letters indicate difference between groups.

[0075] As can be seen from Table 2, different seedling raising environments show that the seedling raising environment and seedling raising environment have a very significant impact (F (2,12) =134.52, P=0.00), because the seeds of Rhodiola grandis are small, and the thousand-grain weight is only about 0.18g, the management at the see...

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Abstract

The invention relates to a seedling method for improving the seedling rate of rhodiola crenulata, and belongs to the domesticated cultivation field of alpine medicinal plants. The invention aims to solve technical problems and provide the seedling method for improving the seedling rate of the rhodiola crenulata. The method comprises the following steps: a, preparing a seedling pool and nursing media; b, carrying out seed dressing; C, sowing; d, putting the seeds into the seedling pool; e, managing; f, outplanting seedlings. According to the method disclosed by the invention, soaking operation,and hormone or disinfection or other treatment of seeds in advance are not needed, and the seeds are directly taken as raw materials; the rhodiola crenulata seedlings can be cultivated by adopting specific nursing media, specific sowing density and specific seedling containers, the seedling pool and a management method; the problem of the seedling rate of the rhodiola crenulata can be fundamentally solved; in addition, the outplanting time of the rhodiola crenulata can be shortened to a large extent; the technology is stable and the seedling rate is high, so that the seedling difficulty problem of the rhodiola crenulata seeds is solved and the domestication and cultivation of the rhodiola crenulata are promoted.

Description

technical field [0001] The invention relates to a seedling raising method for increasing the seedling rate of Rhodiola grandiflora, which belongs to the field of domestication and cultivation of alpine medicinal plants. Background technique [0002] Rhodiola crenulata (Hook.f.et Thoms.) H.Ohba. is a treasure in Rhodiola, known as "plateau ginseng", and is the only basic plant included in "Chinese Pharmacopoeia". It is a perennial Herb, mainly grows in Tibet, western Sichuan and northwestern Yunnan on the flowstone beach or in the rock crevices in high-altitude mountains above 4000m. It has a special habitat, slow growth, difficult reproduction, and a long regeneration cycle. It has the function of invigorating qi and activating blood circulation, dredging the veins and relieving asthma. It is used for qi deficiency and blood stasis, chest obstruction and heartache, stroke hemiplegia, fatigue and asthma. It is one of the main raw materials of important Chinese patent medicin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/00A01G24/10A01G24/15A01G24/20
CPCA01G22/00A01G24/10A01G24/15A01G24/20
Inventor 赵文吉何正军贾国夫白史且张昌兵闫利军
Owner SICHUAN ACAD OF GRASSLAND SCI
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