阅读说明：本技术 紫菜苗增氧育苗池及其育苗促熟方法 (Purple vegetable seedling oxygenation seedling raising pool and seedling raising and ripening method thereof ) 是由 魏剑钊 刘燕飞 高文 高丽明 高丽华 于 2020-08-03 设计创作，主要内容包括：本发明涉及紫菜养殖技术领域,特别涉及一种紫菜苗增氧育苗池及其育苗促熟方法；将紫菜苗接种至悬挂在育苗绳上的贝壳上,池体内水位完全淹没贝壳,水温为22-28℃,水面空气温度为25-35℃,光照强度为800-1500LX,每天向增氧管内通入空气2-3小时,定期取紫菜苗进行镜检,直至紫菜苗出现60-70％的膨大细胞时,每天向增氧管内通入空气1小时,育苗25-30天后,完成紫菜促熟。提高育苗效率和均匀度,不需要人工定期进行上下层掉头。(The invention relates to the technical field of laver culture, in particular to an oxygen-increasing seedling raising pool for laver seedlings and a seedling raising and maturing method thereof; inoculating the laver seedling to the shell hung on the seedling raising rope, completely submerging the shell at the water level in the pool body, controlling the water temperature to be 22-28 ℃, the air temperature on the water surface to be 25-35 ℃, the illumination intensity to be 800 plus 1500LX, introducing air into the oxygen increasing pipe for 2-3 hours every day, taking the laver seedling regularly for microscopic examination until 60-70% of expanded cells of the laver seedling appear, introducing air into the oxygen increasing pipe for 1 hour every day, and after seedling raising is carried out for 25-30 days, completing the ripening of the laver. Raise the efficiency and the degree of consistency of growing seedlings, do not need the manual work to carry on upper and lower floor turn around regularly.)

1. The purple vegetable seedling oxygenation seedling raising pond is characterized by comprising a pond body with an opening at the upper part, wherein a plurality of horizontal supporting bars are erected above the pond body and are parallel to each other, a plurality of cross bars are erected at the upper parts of the supporting bars and are perpendicular to the supporting bars, seedling raising ropes are axially arranged and hung on the cross bars at intervals, and shells are vertically arranged and hung on the seedling raising ropes;

the aeration device is characterized in that oxygenation pipes are uniformly laid at the bottom of the pool body, a plurality of through holes are formed in the upper portion of each oxygenation pipe at equal intervals, and the through holes are located under the shells.

2. A seedling raising and ripening method for an oxygen-increasing seedling raising pond for laver seedlings according to claim 1, which comprises the steps of:

inoculating the laver seedling to the shell hung on the seedling raising rope, completely submerging the shell at the water level in the pool body, controlling the water temperature to be 22-28 ℃, the air temperature on the water surface to be 25-35 ℃, the illumination intensity to be 800 plus 1500LX, introducing air into the oxygen increasing pipe for 2-3 hours every day, taking the laver seedling regularly for microscopic examination until 60-70% of expanded cells of the laver seedling appear, introducing air into the oxygen increasing pipe for 1 hour every day, and after seedling raising is carried out for 25-30 days, completing the ripening of the laver.

3. A seedling raising and ripening method according to claim 2, wherein the water temperature is 25 ℃, the temperature of the air on the water surface is 35 ℃, the illumination intensity is 1500LX, air is introduced into the oxygen increasing tube for 2 hours at 12: 00 noon every day, the black film is covered on the cell body at 4: 00 afternoon, the cell body is lifted at 8: 00 morning the next day, the laver seedlings are periodically taken for microscopic examination until the laver seedlings have expanded cells, air is introduced into the oxygen increasing tube for 1 hour at 12: 00 noon every day until 60-70% of the expanded cells of the laver seedlings appear, air is introduced into the oxygen increasing tube for 1 hour at 4: 00 noon every day, and the laver ripening is completed after the seedlings are raised for 25-30 days.

4. The seedling raising and ripening method according to claim 2, wherein the water temperature is 25 ℃, the air temperature on the water surface is 25-30 ℃, the illumination intensity is 800LX, air is introduced into the oxygen increasing tube for 3 hours at 12: 30 noon every day, the black membrane is covered on the cell body at 4: 00 noon, the cell body is lifted at 8: 00 morning the next day, the laver seedling is periodically taken for microscopic examination, when 10-20% of expanded cells appear in the laver seedling, air is introduced into the oxygen increasing tube for 1.5-2 hours at 12: 00 noon every day, when 60-70% of expanded cells appear in the laver seedling, the black membrane is covered on the cell body at 5: 00 noon every day, air is introduced into the oxygen increasing tube for 1 hour at the same time, and the laver ripening is completed after the seedling raising is 25-30 days.

5. The seedling raising and ripening method according to claim 4, wherein the shell is a new shell for the first seedling raising, and air is introduced into the oxygen increasing tube for 2 hours at 12: 00 noon every day instead until 10-20% of expanded cells appear in the laver seedling.

6. A seedling raising and ripening method according to claim 4, wherein the shells are old shells which have been raised more than once until 10-20% of expanded cells appear in laver seedlings, and air is introduced into the oxygen increasing tube for 1.5 hours at 12: 00 noon every day instead.

7. A seedling raising and ripening method according to claim 4, wherein microscopic examination is performed on the laver seedlings at 15 days of seedling raising, and in the microscopic examination result, when 30-40% of expanded cells appear in the laver seedlings, air is kept to be introduced into the oxygen increasing tube for 1.5-2 hours at 12: 00 noon every day.

8. A seedling raising and ripening method according to claim 4, wherein microscopic examination is performed on the laver seedlings at 15 days of seedling raising, and in the microscopic examination result, when less than 30% of expanded cells appear in the laver seedlings, air is introduced into the oxygen increasing tube for 3 hours while readjusting to 2: 00 pm every day.

9. A seedling raising and ripening method according to claim 2, wherein the shell is a new shell for the first seedling raising, and after 30 days of seedling raising, laver ripening is completed.

10. A seedling raising and ripening method according to claim 2, wherein the shell is a new shell for the first seedling raising, and the laver ripening is completed 25 days after the seedling raising.

Technical Field

The invention relates to the technical field of laver culture, in particular to an oxygen-increasing laver seedling raising pond and a seedling raising and maturing method thereof.

Background

The laver is an important economic alga, delicious taste, and rich nutrition, laver is grown seedlings and is one of the important links in laver planting, traditional laver is grown seedlings and is adopted the shell to inoculate, because laver is grown seedlings and needs certain illumination and oxygen, there is illumination through the mode that hangs shell and grows seedlings, the uneven problem of oxygen content, be close to more illumination and oxygen of laver contact of inoculating on the shell of upper strata promptly, and the laver that is close to the shell inoculation of lower floor then contacts less illumination and oxygen, lead to the degree of growing seedlings uneven, need the manual work to regularly turn around, be about to the shell of lower floor and the shell of upper strata change, maintain the degree of consistency of growing seedlings, to in the planting of growing seedlings of large batch laver, change the shell and need consume a large amount of costs of labor.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the laver seedling oxygenation seedling raising pool and the seedling raising and ripening method thereof are provided, the uniformity and efficiency of laver seedling raising are improved, the shells on the lower layer and the shells on the upper layer do not need to be replaced manually, and labor cost is saved.

In order to solve the technical problems, the invention adopts the technical scheme that:

the invention relates to an oxygen-increasing seedling raising pool for laver seedlings, which comprises a pool body with an opening at the upper part, wherein a plurality of horizontal supporting bars are erected above the pool body and are parallel to each other, a plurality of cross bars are erected at the upper parts of the supporting bars and are vertical to the supporting bars, seedling raising ropes are axially arranged and hung on the cross bars at intervals, and shells are vertically arranged and hung on the seedling raising ropes;

the aeration device is characterized in that oxygenation pipes are uniformly laid at the bottom of the pool body, a plurality of through holes are formed in the upper portion of each oxygenation pipe at equal intervals, and the through holes are located under the shells.

The invention also relates to a seedling raising and ripening method, which comprises the following steps:

inoculating the laver seedling to the shell hung on the seedling raising rope, completely submerging the shell at the water level in the pool body, controlling the water temperature to be 22-28 ℃, the air temperature on the water surface to be 25-35 ℃, the illumination intensity to be 800 plus 1500LX, introducing air into the oxygen increasing pipe for 2-3 hours every day, taking the laver seedling regularly for microscopic examination until 60-70% of expanded cells of the laver seedling appear, introducing air into the oxygen increasing pipe for 1 hour every day, and after seedling raising is carried out for 25-30 days, completing the ripening of the laver.

The invention has the beneficial effects that: the supporting strips are erected at the upper part of the tank body, the cross rods are erected through the supporting strips, the seedling raising ropes with the scallop shells are hung through the cross rods, the laver seedlings are inoculated through the scallop shells, the space between the laver seedlings is reasonable, the oxygenation pipes are paved at the bottom of the tank, air is fed into the oxygenation pipes through the air blower, and air is discharged upwards through the through holes uniformly distributed on the oxygenation pipes, so that the laver seedlings hung above are uniformly, sufficiently and continuously provided with oxygen, the laver seedling raising period is favorably shortened, and the laver yield is improved; according to the seedling raising and ripening method provided by the invention, a ventilation culture scheme is formulated according to the air temperature, the water temperature and the illumination intensity on the water surface, the time point and the ventilation time of the aeration pipe for introducing air are adaptively adjusted according to the seedling raising degree of the laver, the seedling raising time can be shortened to 25-30 days under the light-shrinking culture with regular shading, and the seedling raising efficiency is improved. In the process of culturing, because regularly ventilate upwards from the bottom of the pool through the oxygenation pipe, make the laver seedling above the through-hole of oxygenation pipe obtain the air, the laver seedling that is close to the bottom of the pool obtains more air, remedies the not enough defect of illumination, through oxygenation time and the control of oxygenation volume, the seedling maturity that makes each laver seedling on the rope of growing seedlings tends to the homogeneity, no longer need the manual work regularly to carry out the turn around of upper and lower floor, reduces the consumption of cost of labor.

Drawings

FIG. 1 is a schematic structural view of an oxygen-increasing seedling-raising pool for laver seedlings according to an embodiment of the present invention;

description of reference numerals:

1. a tank body; 2. a supporting strip; 3. a cross bar; 4. a seedling raising rope; 5. shells; 6. an oxygenation pipe; 61. and a through hole.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The most key concept of the invention is as follows: laying an oxygenation pipe at the bottom of a seedling culture pond, formulating a ventilation culture scheme according to the water surface air temperature, the water temperature and the illumination intensity, adaptively adjusting the time point and the ventilation time of the oxygenation pipe for introducing air according to the seedling culture degree of the laver, shortening the seedling culture time to 25-30 days under the light-shrinking culture of regularly shading, improving the seedling culture efficiency and the uniformity, and avoiding the manual work of regularly turning the upper layer and the lower layer.

Referring to fig. 1, the invention relates to an oxygen-increasing seedling raising pool for laver seedlings, which comprises a pool body 1 with an opening at the upper part, wherein a plurality of horizontal supporting bars 2 are erected above the pool body 1, the supporting bars 2 are parallel to each other, a plurality of cross bars 3 are erected at the upper parts of the supporting bars 2, the cross bars 3 are perpendicular to the supporting bars 2, seedling raising ropes 4 are axially arranged and hung on the cross bars 3 at intervals, and shells 5 are vertically arranged and hung on the seedling raising ropes 4;

the bottom of the pool body 1 is uniformly paved with oxygen increasing pipes 6, the upper parts of the oxygen increasing pipes 6 are equidistantly provided with a plurality of through holes 61, and the through holes 61 are positioned under the shells 5.

If the traditional method is applied to the seedling culture clam shell, the distance between the bars is normally 12 cm, the distance between every two adjacent clusters of shells is 7 cm, the distance between the bars is only 8-10 cm, the distance between every two adjacent clusters of shells is 5-6 cm, and each cluster of shells is 20 shells in ten layers.

Through setting up the support bar on cell body upper portion, set up the horizontal pole through the support bar, hang the seedling rope that grows seedlings that has scallop shell through the horizontal pole, inoculate the laver seedling through the scallop shell, it is reasonable to make the interval between each laver seedling, through laying the oxygenation pipe at the bottom of the pool, send the air to the oxygenation pipe in through the air-blower, the air upwards discharges through-hole through the last equipartition of oxygenation pipe, the laver seedling that makes the top hang obtains evenly, sufficient, the oxygen that lasts, be favorable to shortening the laver seedling cycle, thereby improve laver output.

Further, the seedling raising and ripening method of the laver seedling oxygen increasing seedling raising pool comprises the following steps:

inoculating the laver seedling to the shell hung on the seedling raising rope, completely submerging the shell at the water level in the pool body, controlling the water temperature to be 22-28 ℃, the air temperature on the water surface to be 25-35 ℃, the illumination intensity to be 800 plus 1500LX, introducing air into the oxygen increasing pipe for 2-3 hours every day, taking the laver seedling regularly for microscopic examination until 60-70% of expanded cells of the laver seedling appear, introducing air into the oxygen increasing pipe for 1 hour every day, and after seedling raising is carried out for 25-30 days, completing the ripening of the laver.

In the seedling raising and ripening method, when 60-70% of expanded cells appear in the laver seedling, 10-20% of double spores are probably still existed. The first microscopic examination can be carried out for 10 days.

According to the seedling raising and ripening method, a ventilation culture scheme is formulated according to the air temperature, the water temperature and the illumination intensity on the water surface, the time point and the ventilation time of the aeration pipe for introducing air are adaptively adjusted according to the seedling raising degree of the laver, the seedling raising time can be shortened to 25-30 days under the light-shrinking culture with regular shading, and the seedling raising efficiency is improved. In the process of culturing, because regularly ventilate upwards from the bottom of the pool through the oxygenation pipe, make the laver seedling above the through-hole of oxygenation pipe obtain the air, the laver seedling that is close to the bottom of the pool obtains more air, remedies the not enough defect of illumination, through oxygenation time and the control of oxygenation volume, the seedling maturity that makes each laver seedling on the rope of growing seedlings tends to the homogeneity, no longer need the manual work regularly to carry out the turn around of upper and lower floor, reduces the consumption of cost of labor.

As one embodiment, in the seedling raising and ripening method, the water temperature is 25 ℃, the air temperature on the water surface is 35 ℃, the illumination intensity is 1500LX, air is introduced into the oxygen increasing tube for 2 hours at 12: 00 noon every day, the black membrane is covered on the pool body at 4: 00 afternoon, the pool body is lifted at 8: 00 morning the next day, the laver seedlings are taken regularly for microscopic examination until the expanded cells of the laver seedlings appear, air is introduced into the oxygen increasing tube for 1 hour at 12: 00 noon every day until 60-70% of the expanded cells of the laver seedlings appear, air is introduced into the oxygen increasing tube for 1 hour at 4: 00 afternoon every day, and the laver ripening is completed after the seedlings are raised for 25-30 days.

As one embodiment, in the seedling raising and ripening method, the water temperature is 25 ℃, the air temperature on the water surface is 25-30 ℃, the illumination intensity is 800LX, air is introduced into the oxygen increasing pipe for 3 hours at 12: 30 noon every day, the black membrane covers the tank body at 4: 00 noon, the black membrane is lifted at 8: 00 morning the next day, the laver seedling is taken regularly for microscopic examination, when 10-20% of expanded cells appear in the laver seedling, air is introduced into the oxygen increasing pipe for 1.5-2 hours at 12: 00 noon every day, when 60-70% of expanded cells appear in the laver seedling, the black membrane covers the tank body at 5: 00 noon every day, air is introduced into the oxygen increasing pipe for 1 hour at the same time, and after 25-30 days of seedling raising, the laver ripening is completed.

In one embodiment, in the method for promoting the seedling growth and the ripening, the shell is a new shell for the first seedling growth, and air is introduced into the oxygen increasing tube for 2 hours at 12: 00 noon every day until 10-20% of expanded cells appear in the purple seaweed seedlings.

In one embodiment, in the method for promoting seedling growth and ripening, the shells are old shells which are subjected to seedling growth for more than one time, and air is introduced into the oxygen increasing tube for 1.5 hours at 12: 00 noon every day when 10-20% of expanded cells appear in the laver seedlings.

In one embodiment, in the seedling raising and ripening method, the laver seedlings are taken for microscopic examination at 15 days of seedling raising, and in microscopic examination results, when 30-40% of expanded cells appear in the laver seedlings, air is kept to be introduced into the oxygen increasing pipe for 1.5-2 hours at 12: 00 noon every day.

In one embodiment, in the seedling raising and ripening method, the laver seedlings are taken for microscopic examination at 15 days of seedling raising, and in microscopic examination results, when less than 30% of expanded cells appear in the laver seedlings, the air is introduced into the oxygen increasing pipe for 3 hours when the temperature is regulated to 2: 00 pm every day.

In one embodiment, in the above seedling-raising and ripening method, the shell is a new shell for the first seedling raising, and after 30 days of seedling raising, laver ripening is completed.

In one embodiment, in the above seedling-raising and ripening method, the shell is a new shell for the first seedling raising, and after 25 days of seedling raising, laver ripening is completed.