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

A light substrate, non-woven technology, applied in the field of Chinese fir propagation, can solve problems such as unseen fir, and achieve the effect of reducing labor and water.

Inactive Publication Date: 2016-04-27
BAODING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no relevant report on the cultivation of Chinese fir seedlings using the method of non-woven light matrix nutrition cup seedling cultivation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] In December 2012, we purchased Chinese fir seeds from Rong'an, Guangxi, and put them in an air-conditioned room. After the Chinese fir seeds were sterilized by 0.05-0.1% potassium permanganate solution, they were sprayed with 28% poly-γ-glutamic acid Gel material, and stored at a constant temperature of 17°C after natural air-drying at room temperature;

[0022] 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;

[0023] 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;

[0024] After the seeds grow 1-23cm Chinese fir seedlings, spray chlorothalonil and cultivate them in the dark. After th...

Embodiment 2

[0028] 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 acrylic acid-modified konjac material, and 10.2 kg of humic acid. The budding rate of its Chinese fir is 67.8%.

Embodiment 3

[0030] 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 konjac material, and 8.85 kg of humic acid. The budding rate of its Chinese fir is 72.3%.

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Abstract

The invention discloses a method for breeding Chinese fir light substrate seedlings. The method mainly includes the following steps: mixing coconut bran, peat soil and a water-retaining agent to prepare a culture substrate, and forming a nutrition cup through a non-woven fabric light substrate forming machine; using 0.1 Soak in -0.5% potassium permanganate solution for 30-60 minutes, wash with water, soak the seeds in hot water at 40-50°C, cool naturally, then change the water and soak for 24-48 hours, wash with water and put them in the germination machine Accelerate germination at 25-30°C; after the seeds show white, plant them in light-substrate nutrient cups and cover them with film; after the side roots of the seedlings penetrate the cups, fertilize every 10-20 days, and when the seedlings are 5-10cm high, grade them into seedlings Drag it up, and start seedling hardening at the end of November, and the seedlings can be out of the nursery after hardening. The invention has the advantages that the Chinese fir seedlings cultivated on the light matrix nutrition cup have well-developed root system, the seedlings are strong, and the light matrix can reduce transportation costs and afforestation costs, and the light matrix of non-surviving plants can also be recycled; in addition, the constant temperature accelerating germination box has a high germination rate and The germination consistency is better, and the germination rate of fir seeds is effectively improved.

Description

technical field [0001] The invention relates to a method for propagating fir, in particular to a method for propagating seedlings sown in nutrient cups of non-woven fabric light matrix of fir. technical background [0002] Chinese fir( Cunninghamia lanceolata ) is the genus of Chinese fir (Taxodiaceae) [0003] ( Cunninghamia )plant. Chinese fir is a subtropical tree species that prefers light. 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 a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00
CPCA01G24/00A01G31/00
Inventor 崔彬彬王金星曹柳青贾晓梅蓝岚
Owner BAODING UNIV
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