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Method for preparing seeds of valeriana plant

A plant and valerian technology, applied in botany equipment and methods, plant products, plant genetic improvement, etc., can solve the problems of labor-intensive, complicated process, unfavorable, etc., and achieve easy screening, loss reduction, and high purity Effect

Inactive Publication Date: 2006-02-15
WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing artificial pollination is used to improve the germination rate of valerian seeds. Although artificial pollination can make the seed germination rate increase to more than 60%, it is unfavorable for the shortcomings such as large manpower consumption, complicated process, and easy damage to plants in the operation. Large-scale promotion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, net shed seed production, select planting line-to-plant spacing and be the broad-leaved valerian field (about 1900m above sea level) of the artificial cultivation of 20cm * 25cm as the planting field, the soil quality is slightly acidic brown loam soil with good drainage, and it is routinely managed . The setting of the seed production plot is 11m * 6m, three plots in total, set up a shed respectively, and fix with iron wire etc. (high mountain area is windy and rainy), and the specification of the shed net is 60 mesh white nylon nets. When about 25% of the flowers bloomed, put a small box of honeybees with a quantity of about 3000 in each plot into the net shed. The beehives are placed at one end away from the shed door. Regularly open the beehive inspection, every 3 days with 70% white sugar water by the amount of 500g / case, feed the bee colony with the feeder at night. After about 90% of the flowers fade, the plants are bagged. The bag is made of 60...

Embodiment 2

[0023] Embodiment 2. Non-net shed seed production: select planting line-to-plant spacing as the artificially cultivated broad-leaved valerian field (about 1500m above sea level) of 20cm * 25cm as the planting field, with an area of ​​about 10ha., conventional management. Beehives are placed in the field when the flowers bloom about 25%, and 10 boxes of Apis chinensis are evenly placed on the four sides of the farming field. There are about 10,000 bees in each box. After about 90% of the flowers fade, the plants are bagged. Other steps are the same as in Example 1. Finally, the seed viability and germination rate were measured to be about 75%.

Embodiment 3

[0024]Embodiment 3, non-net shed seed production: the artificially cultivated Valerian officinalis field (about 1000m above sea level) is selected to be planted with row spacing of 20cm * 30cm as the planting field, with an area of ​​about 1ha., conventional management. Due to the relatively low altitude, there are many early flowering flowers blooming during the same period, so the beehives can be placed in the field at the beginning of flowering stage, and 4 boxes of Chinese honeybees are placed in the middle of the four sides of the farming field. After about 90% of the flowers fade, the plants are bagged. Other steps are with embodiment 1. Finally, the seed viability and germination rate were measured to be more than 80%.

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Abstract

A method for the production of hybrid seeds for the medical valerian plant, which grows in the high altitude area. The method comprises the following steps: choosing the artificial cultivating field for valerian plant which is in shed or not with good drainage as the field for the production of hybrid seeds; introducing bees into the field when the amount of flower is 25%, the number of bees is 15-20 / m2; covering the plant with bags when 90% flowers withered; recovering the seeds within one or two weeks after all inflorescence withered and before plants begin fall to ground; sifting the seeds and getting seeds with cleanliness above 95%. In shed, Italian bees are employed, while out of shed are china bees. The invention employs bees as pollination medium and the germination rate is increased from below 30% to above 70%, thus solving the problem of seed supply for large-area of artificial cultivating of the said genus; by applying bees for pollination, the method can realize the effect of labor and time saving.

Description

technical field [0001] The invention relates to a method for producing medicinal plants of the genus Valeriana grown in high altitude areas. Background technique [0002] There are more than 250 species of Valeriana plants in the world, most of which are distributed in temperate regions. There are about 17 species and 2 varieties in my country ("Flora of China" volume 73, first volume). In addition to valerian (Valeriana officinalis Linn.), the roots and rhizomes of the following plants of the same genus are also used as medicine. Including Spider Incense (V.jatamansi Jones), Long Order Valerian Root (V.hardwickii Wall), Flaccidissima Maxim, Black Water Valerian Root (V.amurensis PSmirn.ex Kom), Broad Leaf Valerian Root (V.officinalis Linn.var.Latifolia Miq.), V.alternifolia Bunge, V.turkestanica Sumn, V.meonantha C.Y.Cheng et H.B.Chen, etc. . At present, Valeriana plants, especially medicinal plants, are in a wild state, and the reserves of ...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H5/10
Inventor 王有为陈倩王跃进付慧英尤敏
Owner WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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