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A method for promoting the formation of sporangia branches of shell filaments of Porphyra half-leaf

A technology of shell filaments and sporangia, which is applied in the field of promoting the formation of sporangia branches of shell filaments of Porphyra half-leaf, to achieve the effects of reducing production costs, reducing bacterial infections, and improving the success rate

Active Publication Date: 2021-10-26
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the above studies, there are no related reports on how to regulate the formation of sporangia shoots in the shell filaments of Porphyra half-leaf

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1) From the wild half-leaf laver, select healthy algae with larger individuals, darker color and higher maturity as seed algae, wash them with sterilized natural sea water, squeeze the water and spread the seed algae on the Dry in the shade on the bamboo curtain to make it lose about 50% of the moisture, and put the algae stimulated by drying in the shade into a container filled with sterilized natural seawater (add 100 kilograms of water per kilogram of algae), stir the seawater continuously to promote the release of the fruit spores, take Microscopic examination of the water sample, when 10-20 fruit spores are observed at a magnification of 100 times, the algae are fished out, and the filtrate obtained after filtering with a 200-mesh sieve is the fruit spore water.

[0019] 2) Use the phytoplankton counting frame to count the number of fruit spores contained in the fruit spore water per milliliter of Porphyra half leaf, calculate the fruit spore water concentration, ac...

Embodiment 2

[0024] 1) From the wild half-leaf laver, select healthy algae with larger individuals, darker color and higher maturity as seed algae, wash them with sterilized natural sea water, squeeze the water and spread the seed algae on the Dry in the shade on the bamboo curtain to make it lose about 50% of the moisture, and put the algae stimulated by drying in the shade into a container filled with sterilized natural seawater (add 100 kilograms of water per kilogram of algae), stir the seawater continuously to promote the release of the fruit spores, take Microscopic examination of the water sample, when 10-20 fruit spores are observed at a magnification of 100 times, the algae are fished out, and the filtrate obtained after filtering with a 300-mesh sieve is the fruit spore water.

[0025] 2) Use the phytoplankton counting frame to count the number of fruit spores contained in each milliliter of Porphyra half leaf fruit spore water, calculate the concentration of fruit spore water, ac...

Embodiment 3

[0030] 1) From the wild half-leaf laver, select healthy algae with larger individuals, darker color and higher maturity as seed algae, wash them with sterilized natural sea water, squeeze the water and spread the seed algae on the Dry in the shade on the bamboo curtain to make it lose about 50% of the moisture, and put the algae stimulated by drying in the shade into a container filled with sterilized natural seawater (add 100 kilograms of water per kilogram of algae), stir the seawater continuously to promote the release of the fruit spores, take Microscopic examination of the water sample, when 10-20 fruit spores are observed at a magnification of 100 times, the algae are taken out, and the filtrate obtained after filtering with a 500-mesh sieve is the fruit spore water.

[0031] 2) Use the phytoplankton counting frame to count the number of fruit spores contained in the fruit spore water of each milliliter of Porphyra half leaf, and calculate the concentration of the fruit s...

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Abstract

The invention relates to a method for promoting the formation of sporangia branches of shell filaments of Porphyra half-leaf, which belongs to the field of marine algae cultivation. The method comprises the following steps: 1) collecting fruit spores of Porphyra half-leaf; 2) inoculating the fruit spores of Porphyra half-leaf shell; 3) in the vegetative growth stage of the shell filaments, the algae filaments are promoted to grow rapidly; 4) when the vegetative algae filaments of most Porphyra half-leaf shells are covered with shells and sporangia branches begin to appear, the increase in iron The ion concentration induces the algae filaments to change from the vegetative growth state to the development state, so that the sporangium branches are formed rapidly; it can promote the rapid growth of the vegetative algae filaments of the shell filaments of Porphyra half-leaf, and make the vegetative algae filaments grow in a short time without heating up. The synchronous formation of sporangia branches in the interior, and the relatively low water temperature environment can also reduce the risk of bacterial infection and a large number of algae attachment to shells, thereby improving the success rate of artificial seedling cultivation of Porphyra half-leaf shell filaments.

Description

technical field [0001] The invention belongs to the field of marine algae cultivation, and in particular relates to a method for promoting the formation of sporangia branches of shell filaments of Porphyra laver. Background technique [0002] Porphyra has high nutritional value and economic value, and is one of the most important cultivated seaweeds in my country. The laver cultivation methods in my country include vegetable altar cultivation, pillar cultivation, semi-floating raft cultivation and full floating raft cultivation. Due to the limited area of ​​vegetable altars, the source of seedlings depends on nature, and is easily affected by sea and meteorological conditions, the cultivation methods of vegetable altars are rare. At present, pillar cultivation and semi-floating raft cultivation methods have been widely used in the cultivation industry of Porphyra zebra and Altar Porphyra. They are applied in the intertidal zone or near-shore sea area, allowing Porphyra to p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G33/02C05G1/00C05G5/23
CPCA01G33/00C05G1/00
Inventor 梁洲瑞汪文俊刘福利张朋艳袁艳敏孙修涛王飞久
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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