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Breeding method for Taiwania flousiana non-woven fabric light-matrix sowing seedlings

A technology of light substrate and non-woven fabric, which is applied in the direction of planting substrate, botany equipment and methods, culture medium, etc., can solve the problems such as no bald fir seedlings, achieve high survival rate, reduce labor and reduce water content

Inactive Publication Date: 2015-02-18
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 in a germination machine at 25°C;

[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 substrate 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 breeding method for Taiwania flousiana non-woven fabric light-matrix sowing seedlings. The breeding method comprises the following specific steps: mixing coconut shell powder, peat, a water-retaining agent and humic acid to prepare a non-woven fabric light-matrix nutrition cup; soaking with a 0.1-0.5% of potassium permanganate solution for 30-60 minutes before sowing, washing with clean water, soaking seeds by using hot water with the temperature of 40-50 DEG C, changing water to continue soaking for 24-48 hours after naturally cooling, after the seeds are washed with clean water, placing the seeds in a germination accelerating machine for germination accelerating at the temperature of 25-30 DEG C; after white buds of the seeds come out, dibbling into the light-matrix nutrition cup, and covering with a thin film; spraying chlorothalonil for one time and covering with a sunshade net after Taiwania flousiana seedlings grow, fertilizing for one time every other 10-20 days after lateral roots of the seedlings penetrate the bottom of the cup, classifying the seedlings on a seedling tray when the height of the seedling is 5-10 cm, starting to carry out seedling hardening at the end of 2011, and outplanting after the seedling hardening. The Taiwania flousiana seedlings cultured on the light-matrix nutrition cup have developed root systems and are thick and strong, the transportation cost and forestation cost can be reduced as the matrixes are light, and light matrixes of plants which do not survive can be recycled; the germination accelerating rate is high, the germination consistency is better, and the seed germination rate of Taiwania flousiana seeds is effectively increased.

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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IPC IPC(8): A01G17/00A01C1/00A01G31/00
CPCA01C1/00A01G17/005A01G24/00Y02A40/22Y02P60/40
Inventor 蒋凡邓力刘林娟李付伸刘霜莲林小花王劲松
Owner BAODING UNIV
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