Method for promoting eel grass seeds to germinate and grow

A technology of bitter grass and seeds, which is applied in the direction of seed and rhizome treatment, application, agriculture, etc., can solve the problems of inability to form large-scale production, environmental pollution, increased costs, etc., to promote roots to absorb water and nutrients, and promote the growth of bitter grass seeds. Effects of germination, germination promotion and growth

Inactive Publication Date: 2012-07-18
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Bittergrass has strong water purification ability and strong tolerance to water pollution. It plays a very important role in the restoration and reconstruction of aquatic ecosystems. However, due to the limitation of water quality and the biological characteristics of aquatic plants Due to its biological characteristics, the seedling rate of bitter grass seeds is very low, and large-scale production cannot be formed. Therefore, in the current prior art, tissue culture methods are often used to promote the rapid propagation of bitter grass, such as:
[0003] Chinese patent 200410066029.6 takes the fertile organ rhizome of Erythrina fragrans, and through a series of sterilization processes, cultivates the aseptic seedlings of Erythria fragrans in the culture medium, and then puts the aseptic seedlings in the culture medium to induce germination. Heavy metal mercury salts are used for sterilization, which is likely to cause environmental pollution. In addition, the survi

Method used

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  • Method for promoting eel grass seeds to germinate and grow
  • Method for promoting eel grass seeds to germinate and grow
  • Method for promoting eel grass seeds to germinate and grow

Examples

Experimental program
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Example Embodiment

[0030] Example 1

[0031] The temperature of the incubator is 20-30°C, and the light intensity is 1200 lux. Add distilled water, 2mg / L, 4mg / L, 8mg / L, 15mg / L and 30mg / L potassium nitrate solution, and 0.25mg / L, 0.5mg / L, 1mg / L shells into 9 incubators. Glycan solution, each incubator is supplemented by a small amount of intermittent aeration. Each incubator is put into 50 balsam pear seeds and soaked for 12 hours; then, the soaked bitterness is treated in a beaker with lake sediment as a substrate. The grass seeds were cultivated, and the results are shown in Table 1.

[0032] Table 1 Germination time and germination rate of Vallisneria seeds after soaking in different solutions

[0033]

Example Embodiment

[0034] Example 2

[0035] The temperature of the incubator is 20-30°C, and the light intensity is 2500 lux. Add 8mg / L of potassium nitrate solution to the incubator, supplemented by intermittent aeration in the incubator, put in 50 balsam pear seeds and soak for 22 hours; then, soak in a beaker with lake sediment as a substrate After the balsam pear seeds are cultivated, the germination time of the balsam pear seeds is 4-11 days, and the germination rate is 100%.

Example Embodiment

[0036] Example 3

[0037] The temperature of the constant temperature incubator is constant at 20-30°C, and the light intensity is 2800 lux. Add 0.25mg / L of chitosan solution in a constant temperature incubator, and at the same time with a small amount of intermittent aeration, put in 50 balsamic grass seeds and soak them for 36 hours; after that, put the lake sediment as the substrate The soaked balsam pear seeds are cultivated in a beaker, the germination time of the balsam pear seeds is 5-12 days, and the germination rate is 88%.

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Abstract

The invention relates to a method for promoting eel grass seeds to germinate and grow. The method comprises the following steps that: in a culture box, potassium nitrate solution or chitosan solution is added, in addition, trace intermittent aeration is used as an auxiliary measure, and the eel grass seeds are added for soaking; the soaked eel grass seeds are cultured in a beaker with lake bottom sediment as substrates; and after the eel grass seeds germinate, the young eel grass seedlings are placed into a culture box containing the potassium nitrate to be soaked, and meanwhile, trace intermittent aeration and intermittent short wave ultraviolet ray radiation are used as auxiliary measures. The method provided by the invention is simple, the germinating time of the eel grass seeds is short, the germinating rate is high, the growth speed is high, in addition, the economic cost is low, and great significance is realized on the fast breeding and large-scale production seedling culture of the eel grass.

Description

technical field [0001] The invention relates to a method for promoting the germination and growth of bitter grass seeds. Background technique [0002] Vallisneria natana (Vallisneria natana), commonly known as noodle grass, flat shoulder grass, water leek, etc., is a perennial submerged plant of the family Hydrochardaceae, and is one of the most common submerged plants in my country. At present, the pollution caused by extensive industrial expansion to rivers, lakes and other water bodies has become increasingly prominent, and the restoration of submerged vegetation has become the key to the control of eutrophication in lakes and other water bodies in my country. Bittergrass has strong water purification ability and strong tolerance to water pollution. It plays a very important role in the restoration and reconstruction of aquatic ecosystems. However, due to the limitation of water quality and the biological characteristics of aquatic plants Due to its biological characteri...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 侯文华曹利静
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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