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Productive artificial seedling raising method of sargassum horneri in north

A productive, copper algae technology, applied in the field of copper algae productive artificial seedlings in the north, can solve the constraints of copper algae large-scale cultivation, copper algae seedling conditions are quite different, and copper algae seedling breeding methods and conditions are not given, etc. problems, to achieve the effect of convenient operation, good effect and improved efficiency

Inactive Publication Date: 2017-06-20
MARINE BIOLOGY INST OF SHANDONG PROVINCE
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  • Abstract
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  • Application Information

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Problems solved by technology

Copper algae has not yet achieved commercial artificial breeding, seedling technology is the key bottleneck factor restricting the large-scale cultivation of copper algae, especially in northern my country, the key technology of artificial seedling breeding has not yet achieved a breakthrough
[0004] Sun Jianzhang studied the factors affecting the seedling growth of copper algae in "Preliminary Research on the Artificial Cultivation of Copper Algae", and determined that copper algae can grow well in the range of water temperature 7.1~20.5 °C and under strong light on the surface water body, but It does not give the breeding methods and conditions of copper algae seedlings, and because the growth conditions of copper algae seedlings are quite different from the conditions of seedlings

Method used

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  • Productive artificial seedling raising method of sargassum horneri in north
  • Productive artificial seedling raising method of sargassum horneri in north
  • Productive artificial seedling raising method of sargassum horneri in north

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Embodiment 1

[0025] A method for copper algae productive artificial seedling cultivation in the north, it specifically comprises the following steps:

[0026] 1) Artificial ripening of copper algae growing vegetables: select copper algae grown in Dongtou, Wenzhou or Zhoushan Islands, artificially accelerate the ripening of copper algae growing vegetables by using artificial flowing water, adjust the seawater temperature to 21°C, and adjust the light intensity to 4000 lux; Use microscopic sampling to detect the attachment of fertilized eggs of copper algae; collect algae that meet the following conditions at the same time as copper algae: A) female individuals with a length of algae greater than 80 cm; B) the average length of reproductive branches is not less than 5 cm; C) The genital receptacle is mature and the length of the genital receptacle is not less than 5mm; D) There is obvious egg attachment on the genital receptacle;

[0027] 2) Collection of fertilized eggs; control the water t...

Embodiment 2

[0030] A method for copper algae productive artificial seedling cultivation in the north, it specifically comprises the following steps:

[0031] 1) Artificial ripening of copper algae growing vegetables: select copper algae grown in Dongtou, Wenzhou or Zhoushan Islands, artificially accelerate the ripening of copper algae growing vegetables by using artificial flowing water, adjust the seawater temperature to 25°C, and adjust the light intensity to 5000 lux; Use microscopic sampling to detect the attachment of fertilized eggs of copper algae; collect algae that meet the following conditions at the same time as copper algae: A) female individuals with a length of algae greater than 80 cm; B) the average length of reproductive branches is not less than 5 cm; C) The genital receptacle is mature and the length of the genital receptacle is not less than 5mm; D) There is obvious egg attachment on the genital receptacle;

[0032] 2) Collection of fertilized eggs; control the water tem...

Embodiment 3

[0035] A method for copper algae productive artificial seedling cultivation in the north, it specifically comprises the following steps:

[0036] 1) Artificial ripening of copper algae growing vegetables: select copper algae grown in Wenzhou Dongtou or Zhoushan Islands, use artificial flowing water method to artificially promote the ripening of copper algae growing vegetables, adjust the seawater temperature to 23°C, and adjust the light intensity to 4500 lux; Use microscopic sampling to detect the attachment of fertilized eggs of copper algae; collect algae that meet the following conditions at the same time as copper algae: A) female individuals with a length of algae greater than 80 cm; B) the average length of reproductive branches is not less than 5 cm; C) The genital receptacle is mature and the length of the genital receptacle is not less than 5mm; D) There is obvious egg attachment on the genital receptacle;

[0037] 2) Collection of fertilized eggs; control the water ...

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Abstract

The invention relates to a productive artificial seedling raising method of sargassum horneri in the north and belongs to the field of sargassum horneri seedling raising. The method aims to overcome the defect that artificial seedling raising in the north is not implemented in the prior art. The method includes the three steps of artificial maturation promotion of a sargassum horneri variety, collection of fertilized eggs and flowing water temperature control cultivation of sargassum horneri seedlings. In the flowing water temperature control cultivation step, different cultivation conditions are set according to different stages of seedling growth, the emergence rate and survival rate of sargassum horneri can be remarkably increased, and growth conditions are improved. By means of the sexual propagation method, the production efficiency and benefits can be remarkably improved, the effect is good, energy consumption is low, operation is convenient, the method is suitable for being widely used in farms, and the key technical problem about productive artificial seedling raising of sargassum horneri in the north is solved.

Description

technical field [0001] The present invention relates to a kind of copper algae ( Sargassum horneri ) The method for productive artificial seedling cultivation in the north belongs to the field of seaweed seedling cultivation. Background technique [0002] Copper algae are the main contiguous large brown algal species in shallow seaweed farms in warm temperate seas of China. Copper algae is an important raw material of the alginate industry, which has been widely used in medicine, food, feed and organic fertilizer, and has high commodity value. Copper algae grow luxuriantly in bays with smooth tides and relatively calm winds and waves below the dry tide line to -4m shallow sea reefs, floating on the sea surface to form seaweed fields; from the surveyed population situation, the main part of the wild population grows through sexual reproduction. The algae strains are the main ones, and the 2-year-old algae strains regenerated from residual branches account for only 5%; the g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G33/00
CPCA01G33/00Y02A40/80
Inventor 李大鹏郭文吴海一丁刚詹冬梅刘玮王翔宇
Owner MARINE BIOLOGY INST OF SHANDONG PROVINCE
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