Natural sea-area sowing method of zostera marina seed

A technology of eel algae and seeds, applied in sowing, seed and rhizome treatment, application, etc., can solve the problems of low seed retention rate, poor seed germination and plant growth effect after sowing, and achieve increased germination rate, improved utilization rate, The growth promoting effect of

Inactive Publication Date: 2015-03-25
OCEAN UNIV OF CHINA
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Problems solved by technology

[0005] In order to overcome the deficiencies of low seed retention rate and poor seed germination and plant growth effect existing in the existing seaweed seed sowing method in natural sea area, the present invention provides a seaweed seed sowing method in natural sea area, specifically a kin

Method used

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Embodiment Construction

[0011] Below in conjunction with embodiment, the present invention is further described.

[0012] As an example, when the sowing time is selected, the sowing time of the natural sea area of ​​the eelgrass seeds should be carried out from September 20th to October 31st; Algae seeds, soaked in 75% alcohol for 30s, then washed twice with sterile seawater with a salinity of 30 prepared by distilled water and seawater, and then washed with 0.1% HgCl 2 Soak for 15 minutes, then wash 3 times with the above-mentioned sterile seawater, put it in sterile seawater with a salinity of 25, and pretreat it for 7 days at a temperature of 15°C and in the dark; The seeds of eel algae are mixed with the bottom mud collected from the sowing water area or sediment similar to the bottom mud of the sowing water area, stirred evenly, put into a sack with a size of 90cm×120cm, and the sowing density is 300-400 grains / square meter, The amount of bottom mud or silt in each sack shall be no more than 5c...

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Abstract

The invention relates to a natural sea-area sowing method of zostera marina seed, and the method comprises zostera marina seed sowing time, zostera marina seed pretreatment and zostera marina seed sowing. The zostera marina seed is sowed at later autumn. The zostera marina seed pretreatment steps comprise performing immersion disinfection on the zostera marina seed respectively by ethyl alcohol and HgCl2, flushing with aseptic seawater, putting in low-salt aseptic seawater, putting in a dark environment with proper temperature for pre-treating for a period. The zostera marina seed sowing steps comprise uniformly mixing pretreated zostera marina seed with bottom mud or silt, packing into a mesh bag, sealing with a cotton thread, flatly paving seabed, and mutually connecting and fixing the mesh bags by U-shaped iron wires, so as to form a flat-paved carpet type sowing unit. The method is capable of effectively improving the germination rate of the seed, also has extremely good promoting effect on growth of germinated seedlings and plants. By employing the mesh bag for sowing during sowing, complete reserving of the sowed zostera marina seed is guaranteed, and thus the utilization rate of the seed is improved.

Description

Technical field [0001] The invention relates to a method for sowing seaweed seeds in natural sea areas, in particular to a method for inserting eel algae seeds in natural sea areas. Background technique [0002] Seagrasses are aquatic monocots adapted to life in marine environments, with well-developed root systems and underground stems. Sea grassland is one of the three typical offshore ecosystems, which has important ecological functions and economic value. As the planet's most important primary producers, seagrass meadows provide food and diverse habitat, as well as spawning and shelter grounds, for numerous marine organisms. For coastal ecosystems, seagrass fields play a vital role in capturing sediments, stabilizing sediments, protecting dikes from wind, purifying water bodies, cycling nutrients, and sequestering carbon (accounting for about 15% of the annual carbon sequestration of the entire marine ecosystem). It is often used as a biological indicator species for w...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C7/00
Inventor 张沛东刘燕山田璐张凌宇张秀梅李文涛
Owner OCEAN UNIV OF CHINA
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