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Method for seed germination and seedling culture of tutcheria microcarpa

A technology for seeds and fruit stones, applied in the field of plant reproduction, can solve the problems of low seed germination rate, difficulty in meeting production and market demands, etc., and achieve the effects of artificial cultivation and improvement of seedling emergence rate.

Active Publication Date: 2013-12-11
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As an excellent native woody flower plant and bio-energy plant, Lithocarpus chinensis has been gradually promoted in the market, but according to investigations, the seed germination rate of this species is not high, and it is difficult to satisfy production and market requirements by mining wild resources. needs, it is urgent to find a breeding method for artificial cultivation
There is no prior art about the seed propagation technology of Lithocarpus chinensis

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Collect fresh and ripe fruits in mid-October, wrap the fruits with wet paper towels with a relative humidity of 70%, put them in an airtight container, and carry out post-ripening treatment for 4 days under indoor dark conditions, then shell them to obtain seeds, and use a mass fraction of Soak the seeds in 0.1% potassium permanganate solution for 2 hours, and dry them in the shade for later use. Spray the matrix with 2000-fold diluted Dixon solution, let it stand for 3 days, pour clear water thoroughly on the 4th day, then count the seeds by quartering, sprinkle the soaked seeds in the matrix, and cover 1.8 meters above the matrix with a layer of water. A shading net with a layer shading rate of 90% is watered or sprayed to moisturize every day; the matrix, its composition and mass ratio are: ceramsite: perlite: vermiculite: river sand: peat soil = 1:2:2 :2:4; the germination temperature of the seeds is 10-29°C.

[0019] Germination began after 50 days, and the emerge...

Embodiment 2

[0021] Collect fresh and ripe fruits in mid-October, wrap the fruits in a wet paper towel with a relative humidity of 90%, put them in an airtight container, and carry out post-ripening treatment for 5 days under indoor dark conditions, then shell them to obtain seeds, and use a mass fraction of 0.3 % potassium permanganate solution to soak the seeds for 2 hours and dry in the shade for later use. Spray the matrix with 3,000-fold diluted Dixon solution, let it stand for 3 days, pour clear water thoroughly on the 4th day, then count the seeds by quartering, sprinkle the soaked seeds in the matrix, and cover a layer 2 meters above the matrix. A shading net with a layer shading rate of 90% is watered or sprayed to moisturize every day; the matrix, its composition and mass ratio are: ceramsite: perlite: vermiculite: river sand: peat soil = 1:2:2 :2:4; the germination temperature of the seeds is 10-29°C.

[0022] Germination began after 45 days, and the emergence rate reached 91% ...

Embodiment 3

[0024] Collect fresh and ripe fruits in mid-October, put the fruits under room temperature and ventilation without post-ripening treatment, then shell them to get seeds, soak the seeds in 0.2% potassium permanganate solution for 2 hours, dry in the shade and sow on the treated substrate. Three days before picking the fruit, spray the substrate with 2500-fold diluted Dixon solution, pour clear water thoroughly on the fourth day, then count the seeds by quartering, sprinkle the soaked seeds in the substrate, 2 meters above the substrate Cover with a shading net with a shading rate of 90%, and water or spray to moisturize every day; the composition and mass ratio of the substrate is: ceramsite: perlite: vermiculite: river sand: peat soil = 1:2 :2:2:4; the germination temperature of seeds is 10~29℃.

[0025] Germination began after 40 days, and the emergence rate reached 70% after 4 months.

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Abstract

The invention discloses a method for seed germination and seedling culture of tutcheria microcarpa. The method comprises the following steps: (1) collecting fresh and ripe fruits and covering the fruits by using a wet tissue with the relative humidity of 70%-90%; placing the fruits into a closed container and carrying out after-ripening treatment under an indoor dark condition; then shucking to obtain seeds; immersing the seeds by using a potassium permanganate solution with the mass percentage of 0.1%-0.3%; and drying in the shade for future use; and (2) spraying a fenaminosulf solution which is diluted for 2,000-3,000 times on a base material and standing for three days; watering clean water thoroughly on the fourth day; scattering the immersed seeds into the base material and covering the base material with a layer of a shading net; and watering or spraying every day for preserving moisture, wherein the base material comprises the following components in mass ratio of ceramsite to perlite to vermiculite to river sand to peat soil being 1 to 2 to 2 to 2 to 4 and the seed germination temperature is 10-29 DEG C. According to the method, the emergence rate of the tutcheria microcarpa is improved through the after-ripening treatment and dormancy breaking, so that the seedling culture needed by artificial cultivation is achieved and artificial cultivation breeding can be carried out by seeding.

Description

Technical field: [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a method for seed germination and seedling cultivation of katydidia. Background technique: [0002] Tutcheria microcarpa Dunn is an evergreen tree of the genus Tutcheria Dunn in the Theaceae family Theaceae, distributed in Hainan, Fujian, Hunan, Jiangxi, Zhejiang, Yunnan and other places in mainland China. 5-17 meters high. Its plant shape is beautiful, the leaves are bright, the leaf shape and size, and the size of flowers vary greatly, and the fruit grows densely on the branches. It is a new and excellent woody flower plant that can be used in courtyards, residential areas, squares, and parks. Or street greening, the plant of the same genus, T.spectabilis Dunn, has a strong ability to resist pollution (fluoride, sulfide and acid rain). Lithocarpus is also a potential bioenergy plant, and the oil content of the seeds of the same genus Lithocarpus is as h...

Claims

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Application Information

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IPC IPC(8): A01C1/02
Inventor 王发国李仕裕刘东明张永夏邢福武
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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