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A method for cultivating and raising seedlings of teak hard branch cuttings

A technology for cuttings and hard branches, which is applied in the field of cultivating and raising seedlings of teak hard branch cuttings, can solve the problems of complex mother plant management technology, high cost, large influence on cutting quality, etc., and achieves low requirements for implementation conditions, easy operation, The effect of improving the quality of afforestation

Active Publication Date: 2014-10-22
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high cost of teak tissue culture method, it has not been popularized and applied in a large area at present; the quality of cuttings by twig cutting method is greatly affected by the weather, and the management technology of mother plant is relatively complicated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] In late February, the tissue culture container seedlings with a ground diameter of 0.8 cm were selected and planted in the nursery. The row spacing of the planting plants was 80 cm × 80 cm. After planting, the covering soil was 3 cm higher than the original container cup, cut off at the base of the main trunk at a distance of 1 cm from the ground, and watered thoroughly. , close to the ground and cover with plastic film; when the germination length of the mother plant is 1.0cm, remove the plastic film, and when the germination length is 30cm, keep 2 thick and symmetrical sprouts, and get rid of the excess sprouts. In August of the second year, cut off at the base of the sprouting branch, take the 1-year-old part of the sprouting branch and trim it into a small section of 20 cm for cuttings, cut off the part that was born in the current year, and select cuttings with a diameter of 2.0 cm to 3.5 cm for cuttings; according to conventional methods Soak the cuttings in medici...

Embodiment 2

[0023] In late February, the tissue culture container seedlings with a ground diameter of 1.0 cm were selected and planted in the nursery. The row spacing of the planting plants was 80 cm × 100 cm. After planting, the covering soil was 5 cm higher than the original container cup, cut off at the base of the trunk at a distance of 0.5 cm from the ground, and watered thoroughly. Finally, stick to the ground and cover with mulch; when the germination length of the mother plant is 2.0cm, remove the mulch film, and when the germination length is 40cm, keep 2 thick, symmetrical sprouts, and get rid of the redundant sprouts. In August of the second year, cut at the base of the sprouting branch, take the 1-year-old part of the sprouting branch and trim it into a small section of 23 cm for cuttings, cut off the part that was born in the current year, and select cuttings with a diameter of 2.0cm to 3.0cm for cuttings; according to conventional methods Soak the cuttings in medicinal liquid...

Embodiment 3

[0025] In late February, the tissue culture container seedlings with a ground diameter of 1.2cm were selected and planted in the nursery. The row spacing of the planting plants was 90cm×90cm. After planting, the covering soil was 4cm higher than the original container cup, cut off at the base of the trunk at a distance of 0.8cm from the ground, and watered thoroughly. Finally, cover the ground with mulch; when the mother plant sprouts 3.0cm long, remove the mulch, and when the sprout grows 50cm, keep 2 thick, symmetrical sprouts, and get rid of the redundant sprouts. In September of the third year, cut off at the base of the sprouting branch, take the 2-year-old part of the sprouting branch, trim it into a small section of 25 cm for cuttings, cut off the part that was born in the current year, and select cuttings with a diameter of 3.0 cm to 4.0 cm for cuttings; Methods Soak the cuttings in medicinal liquid for disinfection, make a 600ppm solution with rooting powder, dip the l...

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Abstract

The invention discloses a culturing and seedling-growing method of hard-branch cutting spikelets of teaks. The culturing and seedling-growing method comprises the following steps of selecting annual-good-clonaltissue culture seedlings as mother plants, cutting the trunks, and planting the seedlings in a garden; when the sprouts are 30-50cm, remaining two thick and strong symmetrical sprouts, removing residual sprouts; between August and September from the second year to the third year, collecting hard branches as cutting spikelets, carrying out seedling raising by cutting, finally shearing all the sprouts of the collected hard branches, and continuously culturing new cutting spikelets. The culturing and seedling-growing method disclosed by the invention has the advantages that the technology is simple, the operation is easy, the requirement for the implementing condition is not high, the management time in the seedling stage is shorter, and the seedling raising cost is low, so that the culturing and seedling-growing method is very suitable for being promoted and used in production; the cutting seedling is thicker and stronger, the root system is developed, the survival rate in forestation is high, and the growth of the current seedlings for forestation is faster, so that the forestation cost can be saved and the forestation quality can be improved.

Description

technical field [0001] The invention belongs to the technical field of asexual propagation of forest trees, and relates to a method for cultivating teak hardwood cuttings and raising seedlings. Background technique [0002] Teak ( Tectona grandis L.F. ), belongs to Verbenaceae teak is a semi-deciduous large tree, teak heartwood ratio is large, dark brown, extremely insect-resistant, extremely resistant, water-resistant, fire-resistant, in the case of obvious changes in dryness and humidity, it does not warp or crack, and is easy to It is widely used for processing and has beautiful patterns. It is known as one of the most important tropical timber tree species in the world. One of the most popular hardwood species in the market, the international timber market price is very high. [0003] The Institute of Tropical Forestry of the Chinese Academy of Forestry has long been engaged in systematic research on teak introduction, improved breeding and cultivation techniques. Teak...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G23/00
CPCY02A40/22Y02P60/40
Inventor 郝海坤黄志玲庞世龙曹艳云李文付
Owner GUANGXI FORESTRY RES INST
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