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Trans-regional relay seedling method for porphyra haitanensis

A kind of laver, cross-regional technology, applied in the field of seaweed aquaculture, to achieve the effects of fast growth, improved efficiency, and a large base

Active Publication Date: 2016-03-23
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the altar laver seedling technology is basically mature and stable, so far there is no operation method for cross-regional seedlings as the source of production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Inoculation:

[0031] At the beginning of April each year, select the Cangnan sea area in southern Zhejiang as the inoculation sea area; use new clam shells with a shell length of 4-6cm as the inoculation shells, fully soak the clam shells, remove residues, wash with fresh water and dry them for later use , perforate 8-10 pairs of meretrix meretrix shells into a string, each string length 40-55cm, hang the stringed shells in the indoor cultivation pond, hang 70-80 strings of shells per square meter nursery pond;

[0032] Add fruit sporozoites to sterilized seawater to prepare 10 million / L fruit sporophyte mother liquid, and inoculate 2-4L fruit sporophyte mother liquid per square meter of shells hanging in the nursery pond; then add seawater to the cultivation pond, and the seawater exceeds the shell String the top shell about 5cm, then immediately cover the nursery pool with an opaque cloth curtain, cultivate shell filaments indoors at 16-22°C, light intensity 5000...

Embodiment 2

[0040] (1) Inoculation:

[0041] At the beginning of April each year, the sea area of ​​the Great Egret Farm in Fuding, Fujian is selected as the inoculation sea area; new scallop shells with a shell length of 7-12cm are used as inoculation shells, and the scallop shells are fully soaked, residues are removed, and fresh water is used to wash them. After drying in the sun for later use, 4-5 pairs of scallop shells are perforated into a string, the length of each string is 35-45cm, and the strings of shells are hung in the indoor cultivation pond, and 30-35 strings of shells are hung in the nursery pond per square meter;

[0042] Add filaments to sterilized seawater to prepare 10 million / L filament mother liquid, and inoculate 2-4L filament mother liquid per square meter of shells hanging in the nursery pond; then add seawater to the cultivation pond, and the seawater exceeds the shell String the top shell about 5cm, then immediately cover the nursery pool with an opaque cloth c...

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PUM

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Abstract

The present invention discloses a trans-regional relay seedling method for porphyra haitanensis. The method comprises: inoculating protonema or carposporophyte of porphyra haitanensis on shell strings in southern part of Zhejiang and sea area of Fujian; after the protonema of shells is cultivated to conchosporangium by adopting a three-dimensional seedling method, promoting maturity by way of shortening the illuminating time, reducing the illuminating intensity and adjusting the adding proportion of a nutritive salt; and transporting mature shells with sporangia to the north of Jiangsu, releasing conchospore by virtue of the thermal expansion principle, and culturing the conchospores attached to a net cord into a sea area. The seedling method disclosed by the present invention has the advantages that shell protonema is cultured rapidly in the south, and is transported to the north if being mature to perform spore dispersion and seedling collection for the first time. The seedling method disclosed by the present invention is suitable for large-scaled porphyra haitanensis cultivation in the north in advance, or performing efficient cultivation by transporting the seedling nets back to the south. Furthermore, the collected seedling shells can be transported back to the south for continuous secondary cultivation, secondary seedling collection is performed in shells in the same batch and are cultured in the south. The method is suitable for being widely applied in porphyra haitanensis seedling fields.

Description

technical field [0001] The invention relates to a method for raising seedlings of algae laver, in particular to a method for raising seedlings of algae laver cross-regional relay, and belongs to the technical field of seaweed breeding. Background technique [0002] Altar laver is one of the economic seaweeds with the highest output value in the world, and it is an important cultivated seaweed in the south of the Yangtze River in my country, with a breeding area of ​​more than 500,000 mu. Altar seaweed is rich in nutrition and delicious in taste. The content of crude protein in the dry product is more than 30%, and it contains vitamin A, vitamin C, a variety of essential amino acids, polysaccharides, oligosaccharides, dietary fiber and trace elements and other substances and minerals. , has special effects on improving various diseases of the modern population. Large-scale cultivation of Porphyra can consume a large amount of nutrients such as nitrogen and phosphorus in seaw...

Claims

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Application Information

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IPC IPC(8): A01G33/00
CPCA01G33/00
Inventor 骆其君严小军陈海敏杨锐陈娟娟吴小凯
Owner NINGBO UNIV
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