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Breeding method of sowing seedlings of bald fir non-woven fabric light substrate

A technology of light substrate and non-woven fabrics, applied in planting substrates, botany equipment and methods, culture medium, etc., can solve the problems of no bald fir seedlings, achieve high survival rate, developed root system, and reduce water content

Inactive Publication Date: 2016-06-29
BAODING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no relevant report on the seedling cultivation of bald fir using the method of non-woven light substrate nutrition cup seedling cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In December 2012, the seeds of the bald fir were purchased from Kunming. The seeds were installed in cloth bags and placed in an air-conditioned room.

[0026] After the seeds were sterilized by 0.05-0.1% potassium permanganate solution, sprayed with poly-γ-glutamic acid gel material with a mass fraction of 28%, and stored at a constant temperature of 17°C after naturally air-drying at room temperature;

[0027] In March 2013, the seeds were soaked in 0.1% potassium permanganate solution for 30 minutes before sowing, washed with clean water, soaked in hot water at 40°C, cooled naturally, then soaked in water for 15 hours, washed with clean water and placed on Germination at 25°C in a germination machine;

[0028] Sow the buds with white spots on the light matrix medium, and control the depth of sowing to 1-2cm. After the sowing is completed, spray water and control the indoor temperature to 28-32°C;

[0029] After the seeds grow 1-23cm bald fir seedlings, spray chlorot...

Embodiment 2

[0033] The steps of this embodiment are the same as those in Example 1. The light matrix medium is 58.8 kg of coconut peat, 18.5 kg of peat, 2.8 kg of corn stalks with a particle size of 120-200 mesh, 2.6 kg of sodium carboxymethylcellulose, and 10.2 kg of humic acid. After 4 days of germination in the germination box, the seed coat cracked and exposed white bud spots. Three seeds were planted in each nutrition cup, and the germination rate reached 67.8% after 20 days of planting; water and fertilizer control began at the end of 2011, and the average seedling height was 28.6cm at the end of December. The diameter reaches 0.32cm.

Embodiment 3

[0035] The steps of this embodiment are the same as those in Example 1. The light matrix medium is 64.2 kg of coconut peat, 20 kg of peat, 2 kg of corn stalks with a particle size of 120-200 mesh, 4.85 kg of acrylamide-modified starch material, and 8.85 kg of humic acid. After 4 days of germination in the germination box, the seed coat cracked and exposed white bud spots. Three seeds were planted in each nutrition cup, and the germination rate reached 72.3% after 20 days of planting; water and fertilizer control began at the end of 2011, and the average seedling height was 26.4cm at the end of December. The diameter reaches 0.51cm.

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Abstract

The invention discloses a light-substrate light-substrate seedling breeding method of bald fir, which includes seed pretreatment, preparation of light-substrate nutrition cups, seed germination acceleration, on-demand sowing and post-emergence management. Through the above steps, the germination rate of the bald fir can be promoted to 75.8%, the root system is well developed, and the survival rate after transplanting is high; at the same time, spraying enough water once can ensure the emergence water in the whole process of bald fir emergence, reducing labor; After 1-2 months, there is no need to fertilize, and the nutrients in the light substrate can ensure the nutrients needed for the emergence of bald fir and reduce the loss of water and nutrients. All the materials of the present invention can be degraded, and will not cause secondary pollution to the soil and the environment. Therefore, the method of the present invention and the materials used can be used repeatedly year by year without causing soil compaction, and the cultivation of bald fir is sustainable. .

Description

technical field [0001] The invention relates to a breeding method of bald fir, in particular to a breeding method of bald fir seedlings sown with a non-woven light matrix nutrition cup. Background technique [0002] bald fir ( Cunninghamia lanceolata ) is Taxodiaceae (Taxodiaceae) genus ( Cunninghamia )plant. Bald fir is a subtropical tree species that is more light-loving. Like warm and humid, foggy and calm windy climate environment, intolerance to severe cold and damp heat, afraid of wind and drought. Adapt to the climatic conditions with annual average temperature of 15°C-23°C, extreme minimum temperature of -17°C, and annual precipitation of 800-2000mm. The cold resistance is greater than its drought tolerance, and the influence of water and humidity conditions is greater than that of temperature conditions. Afraid of salt and alkali, it has higher requirements on soil than ordinary tree species, and likes fertile, deep, moist, well-drained acidic soil. Shallow r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01C1/00A01G31/00
CPCA01C1/00A01G17/005A01G24/00Y02A40/22Y02P60/40
Inventor 崔彬彬魏俊杰朱维红何富强蓝岚
Owner BAODING UNIV
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