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Rhizome-based Polygonatum cyrtonema Hua seedling culture method

A technology of Polygonatum polyflora and rhizome of Polygonatum polyflora, which is applied in the fields of seed and rhizome treatment, root crop cultivation, application, etc. It can solve the unseen problems of how to break the dormancy of rhizome buds, etc., and achieve the effect of facilitating accumulation

Active Publication Date: 2021-02-26
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no chemical reagents or phytohormones have been seen so far that can relieve seed dormancy or bud dormancy in all plant species, so it is speculated that different plant species have different sensitivities to dormancy relief methods, which is why in existing reports, for Different plants have different methods and reagents for artificially breaking dormancy
In the research on the seedling cultivation of Polygonatum multiflora, it has been reported that conventional artificial growth regulators such as GA3, 6-BA, NAA or IAA are used to treat the rhizomes of Polygonatum rhizomes to make them grow buds, but it has not been seen how to break the dormancy of rhizome buds, thereby regulating Seedling emergence time, reports on seedling cultivation methods adapted to the industrialization requirements of seedling cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1. is based on the rhizome of Polygonatum multiflora without bud head and cultivates seedlings

[0034] 1. Select the rhizome of Polygonatum multiflora without bud head, sow the rhizome of Polygonatum multiflora of 20-50 grams of bud head after sowing in 3-4 months;

[0035] The seedbed soil is sandy yellow soil; seedbed water and fertilizer: the seedbed is moist without water accumulation, and 2000kg / mu of organic fertilizer is applied as the base fertilizer; sowing depth: 7-10cm; the seedbed is covered with sunshade nets or dead branches and leaves to keep moisture.

[0036] 2. Select Polygonatum polyflora rhizomes that grow at least one bud head;

[0037]3. Use TDZ solution, 6KT, and 6-BA solution with a concentration of 200mg / L, 400mg / L, and 600mg / L to soak the rhizome at room temperature (19-28°C) for 12 hours; then take it out and wash it with tap water , to be directly transplanted or undergo seedling cultivation;

[0038] Wherein each concentration ...

Embodiment 2

[0048] Embodiment 2. Cultivate seedlings that can be directly transplanted based on newborn rhizome seedlings

[0049] 1. From digging out the rhizome of Polygonatum multiflora that has grown for many years, select the rhizome end with the bud head of the year, and select the new rhizome seedling from the cut end of the nodule, each 20-50g;

[0050] 2. Soak the new rhizome seedlings at room temperature (19-28° C.) for 12 hours with a TDZ solution with a concentration of 200 mg / L, 400 mg / L, or 600 mg / L; then take them out and wash them with tap water, and then transplant or carry out seedling cultivation;

[0051] Wherein each concentration of each solution is a treatment, and each treatment uses 16 rhizomes to cultivate seedlings, and each treatment has 3 repetitions; the control group (CK) soaks the newborn rhizome seedlings with 400ml distilled water respectively.

[0052] 3. will sow the newborn rhizome seedlings in the indoor seedbed after step 2 is processed and carry ou...

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Abstract

The invention relates to a rhizome-based Polygonatum cyrtonema Hua seedling culture method, and relates to a traditional Chinese medicinal material artificial reproduction technology. The method is characterized in that a TDZ solution or a 6KT solution is adopted to carry out soaking treatment on rhizome culture seedlings or new rhizome seedlings, the emergence rate of the obtained treated seedlings after transplanting reaches up to 58%, and the method is suitable for Polygonatum cyrtonema Hua industrialized seedling culture, the seedling emergence time is brought forward from February-March of the next year to November of the same year or even earlier, and therefore the seedling growth time is prolonged.

Description

technical field [0001] The invention relates to the technology of artificial seedling raising of Chinese medicinal materials, in particular to the seedling raising method of Polygonatum multiflora based on rhizomes. Background technique [0002] Polygonatum multiflora is a perennial herb of the genus Polygonatum in the family Liliaceae. It is one of the varieties of Polygonatum medicinal materials specified in the Chinese Pharmacopoeia. It is a plant with the same source of medicine and food. The development of new medicines and health care products has broad prospects. It can be cultivated in a wide area and is very popular among farmers. The planting area is expanding year by year, but the supply of seedlings is in short supply. [0003] Polygonatum multiflora seeds must go through the winter low temperature in the first year to break dormancy, and then they can germinate and grow primary rhizomes in the second year; the buds of primary rhizomes in a dormant state must go ...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G22/25
CPCA01C1/00A01G22/25
Inventor 陈松树王华磊赵致魏心诚刘红昌李金玲李龙进李丹丹罗夫来罗春丽黄明进
Owner GUIZHOU UNIV
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