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Breeding method for forming polygonatum cyrtonema multi-bud robust development rhizomes

A technology of Polygonatum polyflora and rhizomes, which is applied in the breeding field of forming rhizomes of Polygonatum polyflora and multi-bud robust development, can solve the problem of not being able to meet the large-scale production of high-quality Polygonatum seedlings, unsatisfactory breeding methods of Polygonatum polyflora, and rhizomes of Polygonatum polyflora. Small and other problems, to achieve the effect of eliminating the need to separate individual plants, shortening the time of seedling cultivation, and fast growth

Active Publication Date: 2020-11-17
三明市农业科学研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a breeding method for forming Polygonatum multiflora and multi-bud robust growth rhizomes, the purpose of which is to overcome the unsatisfactory breeding method of Polygonatum multiflora species, or the rhizomes of Polygonatum multiflora species are small, and the growth rate of seedlings in the later stage is slow, The cost is high, or the buds of Polygonatum polyflora are leggy, the leaves are deformed, the rhizomes fail to grow, and the large-scale production of high-quality Polygonatum seedlings cannot be met.

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  • Breeding method for forming polygonatum cyrtonema multi-bud robust development rhizomes
  • Breeding method for forming polygonatum cyrtonema multi-bud robust development rhizomes
  • Breeding method for forming polygonatum cyrtonema multi-bud robust development rhizomes

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Embodiment 1

[0039] Reference manual attached figure 1 , Figure 11 , Figure 12 . A breeding method for forming Polygonatum polyflora and multi-bud robust development of rhizome, the breeding method can quickly form Polygonatum polyflora tuber multi-bud development and propagation, it comprises the following steps:

[0040] a) Selection and pretreatment of explants: select the underground rhizomes of Polygonatum polyflora planted for 2-3 years in September-October of the current year as explants; the explant pretreatment includes cleaning, cutting and cutting the explants in sequence. The remaining materials and disinfection, the specific operation is: scrub the underground rhizomes (ie explants) of Polygonatum multiflora with water, remove the leaves and roots, cut off the excess rhizomes around, and peel off the bracts that can be peeled off from the buds. Take the middle piece of rhizome with bud, the volume of the piece of rhizome with bud is about 1.0cm×1.0cm×0.5cm; then wash the...

Embodiment 2

[0045] Reference manual attached figure 1 , Figure 2-Figure 11 , Figure 13-Figure 15 . A breeding method for forming Polygonatum multiflora and multi-bud robust development rhizome, it comprises the following steps:

[0046] a) Selection and pretreatment of explants: select the underground rhizomes of Polygonatum polyflora planted for 2-3 years in September-October of the current year as explants; the explant pretreatment includes cleaning, cutting and cutting the explants in sequence. The remaining materials and disinfection, the specific operation is: scrub the underground rhizomes (ie explants) of Polygonatum multiflora with water, remove the leaves and roots, cut off the excess rhizomes around, and peel off the bracts that can be peeled off from the buds. Take the middle piece of rhizome with bud, the volume of the piece of rhizome with bud is about 1.0cm×1.0cm×0.5cm; then wash the piece of rhizome with bud with flowing tap water for 1-2 hours, and dry it; Soak it i...

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Abstract

The invention relates to a breeding method for forming polygonatum cyrtonema multi-bud robust development rhizomes. The breeding method mainly comprises the following steps of (1) selecting and pretreating explants; (2) carrying out multiplication and strong seedling culture; (3) carrying out differentiation culture; and (4) carrying out rooting culture. The breeding method is ideal in design, studies are conducted from rhizome cultivation and rhizome bud dormancy breaking, domesticated seedlings which are planted with robust rhizomes and buds with multiple buds developed at the same time, good in quality, high in growth speed and capable of achieving leaf extraction in the same year are cultivated, and after greenhouse domestication cultivation is conducted for one year, the standard of seed stems for production can be achieved; and the problem of shortage of high-quality seedlings is solved, the seedling raising time is shortened, the cost is reduced, and the planting yield can be multiplied.

Description

technical field [0001] The invention relates to plant tissue culture and breeding technology, in particular to a breeding method for forming Polygonatum multiflora and multi-bud robustly developed rhizomes. Background technique [0002] Polygonatum Polygonatum belongs to Liliaceae Polygonatum is a perennial medicinal and edible plant with a medicinal history of more than 2,000 years. There are many kinds of Polygonatum cyrtonema, and the 2005 edition of the Pharmacopoeia of the People's Republic of China stipulates that the tubers of Polygonatum cyrtonema Hua and Polygonatum cyrtonema Hua are the crude drugs. Among them, Polygonatum cyrtonema Hua (Polygonatumcyrtonema Hua) has the best quality and mainly contains sugars, steroidal saponins, Flavonoids and anthraquinone compounds, alkaloids, cardiac glycosides, lignans, vitamins and a variety of amino acids and trace elements useful to the human body, etc., have the functions of prolonging life and anti-aging, affecting the c...

Claims

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Application Information

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IPC IPC(8): A01H4/00A01G22/25
CPCA01H4/008A01G22/25
Inventor 周建金叶炜罗晓锋廖承树乔锋肖庆良任秉桢
Owner 三明市农业科学研究院
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