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Free-type cultivating and ripening method for sargassum muticum main-weed branches

A technology of sea millet and branches, which is applied in the field of free cultivation and ripening promotion of sea millet planting branches, which can solve the problems of inconsistent ripening time, asynchronous ripening, and the influence of artificial seedlings, so as to achieve easy control and favorable environmental conditions Effect

Active Publication Date: 2015-06-03
MARICULTURE INST OF SHANDONG PROVINCE
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AI Technical Summary

Problems solved by technology

However, in the process of artificial breeding, it was found that, like most seaweeds of the genus Sargassum, the maturation of the genital receptacle of sea millet was not synchronized, not only in the timing of sperm and egg maturation, but also in the maturation of different parts of the same genital receptacle. The timing is inconsistent, which has affected its artificial breeding

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In Rongcheng, Shandong, sea millet began to enter a rapid growth period in March. At this time, the selection of sea millet from nature begins. From the group of sea millet that grows vigorously and has bright brown color, select sea millet with most meridians exceeding 5 cm as the main material; The branches are taken as the object of cultivation, and are removed from the main branch. When removing, the leaves and air sacs are not damaged; the branches of sea millet are washed 3-5 times in clean seawater filtered by sand, and then placed in land-based cultivation. Cultivate in the pond; change the water every day to ensure that the pond water is fresh and the algae are clean, and the water depth in the land-based cultivation pond is kept at 30 cm to complete the free cultivation of sea millet branches.

[0023] In the initial stage of free cultivation of sea millet branches, adjust various environmental conditions to achieve rapid growth of sea millet branches. The spe...

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Abstract

The invention relates to a free-type cultivating and ripening method for sargassum muticum main-weed branches. An artificial regulation and control method is adopted to perform free-type cultivation to sargassum muticum branches, ripen main weeds and realize the process of artificial breeding of the needed main weeds. Starting with treatment of sargassum muticum fronds and aiming at synchronous ripening of the main weeds, artificial means are utilized to pick the branches of the sargassum muticum fronds for free cultivation, and cultivation conditions such as illumination intensity, water temperature and nutritive salt level are controlled in the cultivation period so as to obtain conceptacles unified in ripeness degree and a lot of high-quality fertilized ova. The free sargassum muticum branches are relative small in size and easy to control, can obtain sufficient dissolved oxygen and light rays. The sargassum muticum branches are disposed in land-based culture conditions, thus improvement and optimization of environmental conditions are benefitted.

Description

technical field [0001] The invention belongs to the field of sea millet planting cultivation and ripening promotion, and in particular relates to a method for free cultivating and ripening promotion of sea millet planting branches. Background technique [0002] Sea millet (Sargassum muticum) belongs to Sargassaceae (Sargassaceae), Sargassum (Sargassum), is a perennial large brown algae, can live in submerged water and floating water, widely distributed in the Yellow Sea and Bohai Sea coasts in northern China. The length of the algae body is generally more than 1m, and the large algae body can reach about 2m. The algae have a large number of air sacs, which float and grow from the seabed to the sea surface. Larger algae fields are often formed on the seabed rocks in inner bays and shallow sea areas where the wind and waves are relatively small. Like the currently widely used sargassum, it is one of the important seaweed resources along the coast of northern China. The seedl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 吴海一丁刚刘洪军王翔宇刘梦侠
Owner MARICULTURE INST OF SHANDONG PROVINCE