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Method for pre-thinning of undaria pinnatifida

A technology for undaria pinnata and seedlings, which is applied in the field of artificial cultivation of undaria pinnatifida, can solve the problems of manpower consumption and delay in the growth of undaria pinnatifida, and achieve the effects of reducing workload, obvious effect, and ensuring output and quality

Inactive Publication Date: 2018-10-09
DALIAN HAIBAO FISHERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The duration of the thinning process is different depending on the scale of cultivation. Generally, it takes more than one month, which not only consumes manpower, but also delays the growth of wakame left on the seedling rope to varying degrees.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0012] The specific embodiment of the present invention will be described below: a kind of pre-thinning method of Undaria pinnatifida, carries out according to the following steps: before the operation of clamping seedlings of Undaria pinnatifida, get the temporary seedling seed rope, and length is more than 0.3cm to the seedling rope. Wakame seedlings are measured, and the quantity is marked as A / cm, that is, A wakame seedlings are contained on the seedling rope of every 1 cm,

[0013] Then the seedling rope is taken out from the seawater, beat on the chopping board or the side of the boat to make a part of the wakame seedlings fall off from the seedling rope, then put the seedling rope back into the seawater for rinsing, and remove the seedlings separated from the seedling rope. kind cleared from the rope,

[0014] Afterwards, the length on the seedling rope is measured again for the wakame seedlings more than 0.3cm, and this quantity is marked as B / cm, guaranteeing B:A=0.4-...

Embodiment

[0018] In the season of undaria seedlings, use a small boat to fish out a hanging curtain of undaria seedlings in the sea area, put them into a plastic bucket filled with sea water, and put the plastic bucket in a cool place in the cabin in advance.

[0019] Randomly select 5 seedling ropes and straighten them. The number of undaria seedlings with a unit length greater than 0.3cm in any five sections of each seedling rope is counted with the naked eye (the above-mentioned unit length is 2cm), and the counting results are 22 and 19 respectively. , 29, 31, 21. The average density of the undaria seedlings can be calculated to be 12.2 / cm.

[0020] Take the seedling curtain out of the square bucket, beat it on the front and back of the side of the boat 5 times, put it in seawater and rinse it repeatedly, and clean up the seedlings that have fallen off and are not firmly attached.

[0021] Count the number of undaria seedlings on the seedling curtain again according to the above me...

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Abstract

The invention discloses a method for pre-thinning of undaria pinnatifida. The method is characterized by comprising the following steps: before the seedling clamping operation of undaria pinnatifida,taking a temporary-breeding seedling rope and counting the undaria pinnatifida seedlings with a length of 0.3 cm or above on the seedling rope; marking the number as A seedling / cm which means each 1 cm of the seedling rope is provided with A undaria pinnatifida seedlings; then taking the seedling rope out from sea water; slamming and punching the seedling rope on a cutting board or a ship board, so that a part of the undaria pinnatifida seedlings are dropped from the seedling rope; then placing the seedling rope back to the sea water for washing, and removing the seedlings which are separatedfrom the seedling rope; then counting the undaria pinnatifida seedlings with a length of 0.3 cm or above on the seedling rope; marking the number as B seedling / cm; and ensuring that the ratio of B toA is (0.4-0.7):1, finally using the seedling rope for seedling separation operation, and carrying out raft cultivation.

Description

technical field [0001] The invention relates to the field of artificial cultivation of wakame, in particular to a pre-thinning method of wakame. Background technique [0002] Wakame( Undaria pinnatifida ) belongs to the Phaeophyta ( Phaeophyta ), Brown subclass ( Phaeophyceae ), Laminaria ( Laminariales ), Pteroptera ( Alariaceae ), Wakame ( Undaria ) seaweed. Undaria pinnatifida is rich in nutrients and is a health food. It is widely cultivated in Liaodong and Shandong Peninsula coasts of my country. [0003] In the process of cultivating and producing wakame, it is necessary to clip the 2.5-3cm seedling rope section with the undaria seedlings on the seedling rope according to the spacing of about 40cm. This process is called seedling clamping. After the seedlings are clamped, the two ends of the seedling rope are hung between two floating rafts in the sea area, and the wakame seedlings on the seedling rope are suspended to grow in sea water. During the process...

Claims

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Application Information

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IPC IPC(8): A01G33/00
CPCA01G33/00
Inventor 韩建升李兆和许淑芬
Owner DALIAN HAIBAO FISHERY
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