Dioscorea composite Hemsl. cutting propagation method

A technology for cutting and propagating Dioscorea chrysanthemum leaf, which is applied in the field of plant cultivation, can solve the problems of difficulty in meeting large-scale planting, destruction of wild resources, and high production costs of seedlings, achieve good market application prospects, protect wild resources, and facilitate collection of cuttings Effect

Inactive Publication Date: 2007-07-11
XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If only relying on wild plant resources, not only the supply of raw materials is difficult to guarantee, the production cost is high, but also it will cause huge damage to wild resources, making development unsustainable
There are two main methods for the artificial propagation of Dioscorea chrysanthemum: one is to use seeds to propagate seedlings, but because the seed empty rate of Dioscorea chrysanthemum is relatively high, it is difficult to obtain a large number of full seeds.
Another method is to use tubers for propagation, which consumes a large amount of tuber materials, and the germination is extremely irregular; at the same time, tissue culture requires special laboratories and equipment, and the cost of seedling production is relatively high, which is difficult to meet the needs of large-scale planting. need
For these problems, there is no good solution in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Choose a plot with flat terrain, loose soil, and convenient watering for the mother tree garden. After comprehensive plowing, plant seedlings with a row spacing of 20×30 cm and set up shade sheds. The shade canopy is 2.5 meters high, and the shading degree is 50% to 60%. When the growth of seedlings has the ability to twine, insert small bamboo or bamboo slices (200cm long, 20cm into the soil) to allow the plant stems to climb upwards. Through water and fertilizer management and the regulation of the growth of underground tubers, the diameter of the vines is controlled between 1 and 2.5mm. When the growth of the mother tree reaches the ear-picking standard, cut the stems and vines of 2-6 months old, 1-2.5 mm in diameter and dark green leaves from the mother tree garden as cuttings. Cut the cuttings into 6-8cm long cuttings with one axillary bud and one complete leaf in the shade. Cut the base of the cuttings into an inclined plane at a distance of 1-1.5 cm from the a...

Embodiment 2

[0026] Repeat embodiment 1, have following difference: the cuttings base is soaked 1 hour in the ABT rooting powder aqueous solution of 100PPM.

Embodiment 3

[0028] Repeat embodiment 1, have following difference: the cuttings base is soaked 2 hours in the ABT rooting powder aqueous solution of 100PPM.

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Abstract

The invention relates to a method for cultivating chrysanthemum potato, wherein it comprises inserting branches, shearing graft, and immerging, potato and managing seed bed. The invention can grow 100thousand chrysanthemum potato; after three year transplantation, each unit can grow 6000kg, the content of saponin can reach 3-4%.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, in particular to a method for asexual propagation of the medicinal plant Dioscorea chrysanthemum, in particular to a method for cutting propagation of Dioscorea chrysanthemum. Background technique [0002] Dioscorea composite Hemsl. belongs to the genus Dioscorea in the family Dioscorea, native to Mexico, and is a perennial twining vine-like herb. The stem of the plant is round, fleshy, 0.4-0.7cm in diameter, twisted left-handed, with ribs, spotted purple, and there are often triangular buds in the leaf axils, which develop into branches and inflorescences. Leaves, single leaves alternate, entire, heart-shaped, leaf length 20-25cm, width 10-15cm, main veins protruding 11-13, base emerges, lateral veins are reticular. Leaf surface wrinkled or smooth, heart cuneate or broadly ovoid, or elliptic acuminate into caudate. The petiole is 5cm long, purple, or dark or shallow. Flowers, dioeci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00C12N5/04A01G1/00A01G7/00
Inventor 刀祥生唐寿贤鲁明祥
Owner XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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