Quick propagation method of Tectona grandis

A golden wire and fast technology, applied in the field of plant cultivation, can solve the problems of limited mother tree resources, unsuitable seeds, tall trees, etc., and achieve the effects of low production cost of seedlings, good market application prospects, and convenient operation.

Inactive Publication Date: 2009-03-18
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

Traditional nursery stock propagation adopts seed cultivation, but due to the limited resources of the mother tree, and the tall tree body, it is difficult to collect, and it is not suitable to obtain a large number of seeds

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Choose a good single plant with fast growth and straight trunk as the mother tree for collecting explants. In March of each year, collect the shoots of that year with a diameter of 0.5 to 1.0 cm and a length of about 10 cm. The branches must be free of pests and diseases. After that, it was transported to the tissue culture laboratory immediately, and then rinsed with tap water for 30 minutes, the leaves were removed, and the branches were cut into 5 cm long shoot tip explants. On the ultra-clean workbench in the inoculation room, rinse the explants with sterile water for 2 to 3 times, then disinfect the surface with 70% alcohol for 30 seconds, rinse with sterile water twice, and then place it in 0.2% Soak it in the mercury solution for 15-20 minutes (add 1 to 2 drops of Tween-80 to the solution). After taking it out, wash it with sterile water for 6-8 times. Then place the explant in a sterile petri dish, and use a sharp scalpel to cut the explant into a block with a lengt...

Embodiment 2

[0026] Repeat Example 1, with the following difference: the first stem segment below the shoot tip of the current year was collected as an explant. It is required to have obvious bud eyes, 1.5~2.0cm long and 1.0~1.5cm diameter.

Embodiment 3

[0028] Repeat Example 1, with the following differences: when the seedlings are tempered, the seedlings are directly transplanted into the nutrient soil to cultivate bare-rooted seedlings.

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PUM

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Abstract

The invention discloses a fast propagation method of black ungold teak; the black ungold teak seedlings which are more than 30 centimeters in height can be obtained by the processes of collecting and treating branch, sterilization, induced culture, multiplication culture, radication culture, seedling hardening and seedbed management. The propagation materials can be easily obtained by the method and the propagation multiple is large; the method for producing seedlings in industrialization has the advantages that the operation is convenient, the cost for seedling production is low and a large number of seedlings can be cultured fast; therefore, the invention has a bright market application prospect.

Description

Technical field [0001] The invention belongs to the technical field of plant cultivation, and specifically relates to a method for rapid propagation of black gold silk teak. Background technique [0002] Black gold silk teak (Tectona grandis Linn.f..) belongs to the genus Verbenaceae Teak and is native to central Myanmar. Deciduous tree with straight trunk, 30~40m high, 1~2m diameter; single leaf opposite, leaf length 30~70cm, width 25~42cm, leaves broad obovate, broad ovate to nearly round; tip obtuse, base Wide wedge-shaped, entire; petiole is 3 to 4 cm long; the leaf surface is rough and covered with tiny leaf thorns; the underside of the leaf is densely covered with light yellow villi with a large number of purple nodules. Large panicles, corolla lavender to white, with purple nodules under the petals. The fruit is relatively large, 1.6-2.5cm in diameter, covered with grayish-brown hairs, and weighs 1200-1700g. [0003] The black gold silk teak is the best variety in the seri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00A01G31/00C12N5/04
Inventor 唐寿贤吴挺波邹寿青刀祥生杨婷婷李扬苹
Owner XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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