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Non-tube rapid propagation method of osmanthus

A kind of sweet-scented osmanthus, rapid technology, applied in the field of agriculture, can solve the problems of long time for rooting of branches, inability to carry out annual seedling propagation, and affect the survival rate of seedlings, etc., and achieve the effect of easy disinfection and replacement, automatic control of environmental conditions, and fast propagation speed

Inactive Publication Date: 2009-11-04
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional cuttings are highly restricted by environmental conditions and have obvious seasonality, so annual seedlings cannot be propagated; it takes a long time for branches to take root; the length of materials taken when raising seedlings is generally 10-20 cm, and it takes a long time to propagate a large number of seedlings. There are many high-quality female parents; when the seedlings are transplanted, it is easy to cause damage to the root system, affecting the survival rate of seedlings and other defects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1. Establish a rapid multiplication mu bed, build a 1.5×10m seedbed in the greenhouse, with a depth of 20-25cm, and build an arched shed above the seedbed, with a shed height of 1.5m, using aluminum-plastic pipes and white plastic film as materials, and the shed There are two rows of spray devices that can automatically control the humidity and temperature, and the distance between the nozzles is 1.5m. Cover the seedbed with water-retaining and breathable perlite that has been sterilized. The perlite is sterilized with steam at high temperature, and the water required for spraying is adjusted to pH 6 with phosphoric acid.

[0016] 2. Cuttings treatment, collecting semi-lignified sweet-scented osmanthus branches aged 10-20 years, 1-2 years old, cut into ear lengths of 5 cm, keeping the lower end at a 45° angle, leaving 2 leaves, and immersing them in 50 mg / L naphthalene acetic acid aqueous solution , the base is immersed in 2 to 3 cm, and the soaking time is 1 hour.

[...

Embodiment 2

[0019] 1. Establish a fast multiplication mu bed, build a 1.2×10m seedbed in the greenhouse, put an arched shed above the seedbed, the shed is 1.2m high, and use aluminum-plastic pipes and white plastic films as materials. There are automatic controls in the shed There are two rows of spray devices for humidity and temperature, and the interval between nozzles is 1.2m. Cover the seedbed with a mixture of water-retaining and breathable, sterilized perlite and vermiculite, each accounting for half, and the perlite and vermiculite are sterilized with steam at high temperature.

[0020] 2. Cuttings treatment, collect semi-lignified osmanthus branches aged 10-20 years, 1-2 years old, cut into ear lengths of 6cm, cut at the lower end at an angle of 45°, leave 2 leaves, and soak in 60mg / L indole acetic acid In the aqueous solution, the base is immersed in 2 to 3 cm for 0.5 hours, and the water required for spraying is adjusted to pH 6.5 with phosphoric acid.

[0021] 3. Cuttage, ins...

Embodiment 3

[0023] 1. Establish a rapid multiplication mu bed, and build a 2×10m seedbed in the greenhouse. An arched shed is placed above the seedbed. The height of the shed is 2m. It is made of aluminum-plastic pipes and white plastic films. There are automatic humidity control in the shed. There are two rows of spray devices with temperature and temperature, and the nozzles are separated by 1m. Cover the seedbed with a mixture of water-retaining, breathable, sterilized perlite and fermented and sterilized coconut shells and orange stalks. The perlite accounts for 50%, and the coconut shells and orange stalks each account for 25%. Perlite is sterilized with high-temperature steam, and the fermentation and disinfection of coconut shells and orange stalks are completed together. The coconut shells and orange stalks are sprayed with water to a water content of 85%, piled up to a height of 3m, covered with a film, and sealed in a greenhouse until C / N After it is lower than 40, it can be exp...

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Abstract

The invention relates to a non-tube rapid propagation method of osmanthus, and is characterized in that a computer environment control way is used for creating optimal environment of temperature, light, air and heat for in vitro plant material to lead the root of the plant to express quickly, so that root system can be sufficiently developed. After being processed by growth regulator, a branch of the osmanthus is inserted into a rapid propagation seedbed containing stroma, and relative humidity, temperature and light in the rapid propagation seedbed can be automatically controlled by a computer; the stroma is made of material which has water retention, air permeability and easy disinfection treatment. The osmanthus bred by the method takes root within 40-60 days, the root system is developed and the survival rate is higher than 95%. The method creates the optimal climatic environment of temperature, light, air heat and water for the in vitro material by the computer environment control way, utilizes the stroma having good water retention and high air permeability to replace the conventional soil, and has the characteristics of less material taken in culture of seedling, rapid propagation speed, high rhizogenesis rate and survival rate of transplant seedling, female parent character maintenance, low cost for raising seedling, easy acquisition and operation, etc.

Description

technical field [0001] The invention relates to a method for asexual propagation of plants, in particular to a non-test tube rapid propagation method for osmanthus fragrans, and belongs to the technical field of agriculture. Background technique [0002] Osmanthus fragrans is one of my country's top ten traditional famous flowers, and it is also an excellent landscaping tree species. The propagation of Osmanthus fragrans includes sexual reproduction and asexual reproduction. Asexual reproduction is often used in production. Asexual reproduction includes layering, cuttings, grafting and tissue culture. Cuttings are currently the most used. Traditional cuttings are highly restricted by environmental conditions and have obvious seasonality, so annual seedlings cannot be propagated; it takes a long time for branches to take root; the length of materials taken during seedling cultivation is generally 10-20 cm, and it takes a long time to reproduce a large number of seedlings. Th...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G13/02A01G31/00A01C21/00
Inventor 杨亚玲
Owner KUNMING UNIV OF SCI & TECH
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