CN103039350B - Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii - Google Patents
Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii Download PDFInfo
- Publication number
- CN103039350B CN103039350B CN201310022213.XA CN201310022213A CN103039350B CN 103039350 B CN103039350 B CN 103039350B CN 201310022213 A CN201310022213 A CN 201310022213A CN 103039350 B CN103039350 B CN 103039350B
- Authority
- CN
- China
- Prior art keywords
- seedling
- sargassum thunbergii
- day
- vegetables
- nursery pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a seedling cultivating method for improving the emergence rate and the growth rate of sargassum thunbergii and belongs to the field of cultivation of sargassum thunbergii seedlings. The seedling cultivating method comprises the steps of conducting regional seedling collection and light control for a sargassum thunbergii seedling cultivating pond and conducting precise light control at different stages of seedlings. The method for regional seedling collection and light control for the sargassum thunbergii seedling cultivating pond is adopted, so that the problem that fertilized ovum development is affected due to the fact that illumination on sargassum thunbergii seedlings at the seedling collection stage is shielded by upper floating main weeds for a long time can be solved. The cultivating method of regional light control can guarantee that sufficient light stimulation can be provided for a sargassum thunbergii receptacle, so that a large amount of sperms and ova can be diffused, the emergence rate can be improved, and seedlings can grow quickly under proper illumination. By the aid of the method for precise light control at different stages of sargassum thunbergii seedlings, large sargassum thunbergii seedlings can be cultivated in a short time, seedlings grow quickly and are healthy, and the emergence rate is high.
Description
Technical field
The invention belongs to Sargassum thunbergii offspring and cultivate field, is a kind of accurate control light method in sargassum thunbergii seedling raising process.
Background technology
Sargassum thunbergii is a kind of emerging large-scale economical alga, has very high economy, the ecological value: as the high-quality feed as sea cucumber, abalone; Can extract the raw materials of industry such as algin, mannitol, iodine; Reduce sea area eutrophication, purification of heavy metal pollution sea area etc.At present, due to the impact that is subject to the fast development of holothruian cultures industry, natural sargassum thunbergii suffers excessive collection, and its natural resources is day by day deficient, has been difficult to meet the need of market.Therefore, carrying out propagating artificially of sargassum thunbergii is the selecting properly that solves imbalance between supply and demand, development fishery economic.
In recent years, the sargassum thunbergii research of growing seedlings is in the ascendant, but still has the problem such as collect seedling that rate is low, big or small irregular, the limited sargassum thunbergii ovum waste of seedling is very large, length is less during bringout seedling from storage.At present the sargassum thunbergii method of collecting seedling has two kinds: 1) will plant vegetables to concentrate and put into the pond of collecting seedling and collect fertilized egg, then will evenly splash and collect seedling to other on attaching substratum in pond containing the seawater of fertilized egg; The seedling curtain top that 2) will plant vegetables and directly be laid in each pond of collecting seedling, allow fertilized egg free settling to attaching substratum.The 1st kind of method has following drawback: because planting vegetables of the amplification quantity pond water quality that can make to collect seedling degenerates very soon, have influence on the growth of fertilized egg, the time that is placed on the pond of collecting seedling so plant vegetables does not allow oversize, just can not take full advantage of the ovum also do not diffused from receptacle so like this, add sargassum thunbergii gamogenesis holder growth asynchronous, of short duration acquisition time just is difficult to collect the fertilized egg of maximum.And the 2nd kind of method is the large county of current sargassum thunbergii production--method more commonly used when grow seedlings on a large scale in Dongtou County, with respect to the 1st kind of method, it is advantageous that: plant vegetables and disperse to swim in the top of each nursery pond, under the condition that slowly flowing water is cultivated, make us have the more sufficient time to stimulate sargassum thunbergii receptacle sperm and the ovums of diffusing as best one can by the change of the condition of culture such as illumination, temperature, salinity more.But the shortcoming of the 2nd kind of method is: before planting vegetables and not shifting out the pond of collecting seedling, the fertilized egg fallen can be subject to the floating illumination planted vegetables in top and block, and its photosynthesis is restricted.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of seedling-cultivating method that improves sargassum thunbergii emergence rate and growth rate, the present invention improves on existing sargassum thunbergii seedling-cultivating method (the 2nd kind of above-mentioned method) basis, by nursery pond is carried out, subregion is collected seedling and illumination, impel female, the male receptacle of sargassum thunbergii fully to diffuse ovum and sperm, the sargassum thunbergii seedling obtains sufficient illumination to impel its Fast Growth, thereby reach raising sargassum thunbergii seedling, adheres to density, increases emergence rate and promotes the seedling rapid growth to shorten the purpose of indoor raising of seedling time.
The present invention is achieved through the following technical solutions:
A kind of seedling-cultivating method that improves sargassum thunbergii emergence rate and growth rate, comprise that sargassum thunbergii nursery pond subregion collects seedling, controls the step of light and accurate control light step at the different vegetative stages of sargassum thunbergii seedling;
The step of light is collected seedling, controlled in described sargassum thunbergii nursery pond subregion:
The 1st day, 16:00 point～18:00 point in the afternoon, plant vegetables through cleaning, place it in circulation of air after cleaning harmful organisms and aufwuch and carry out dry in the shade stimulation 50～70min in shady and cool place preferably, dehydration rate is controlled at 50%～60%, plant vegetables after dry in the shade stimulation, be paved with the nursery pond of putting into adherance, female, male kind algae ratio is 8:1～12:1, and shake plants vegetables for several times;
The 2nd day, 8 of mornings nursery pond is divided into to the right and left, mobile planting vegetables makes it be distributed in one side of nursery pond, make to plant vegetables be paved with nursery pond half, move to again another side planting vegetables at 2 in afternoon, to there being the nursery pond zone planted vegetables to adopt the illumination of 16000～20000lx, the illumination in the nursery pond zone that nothing is planted vegetables is controlled in 4500～6000lx scope; Within the 3rd day, according to the movement of the 2nd day, plant vegetables and control the light method and operated;
The described accurate control light method at the different vegetative stages of sargassum thunbergii seedling:
After shifting out and all plant vegetables the 4th day morning, regulating illumination is in 7000～8000lx scope; The 5th day, regulating illumination was in 9000～12000lx scope; The 6th day, regulating illumination was in 13000～15000lx scope; The 7th day, regulating illumination was in 16000～20000lx scope; After the 8th day, illumination can maintain in 20000～25000lx scope until the 14th day, within the 15th day, got final product outbound.
Further, when described movement plants vegetables opposite side, to shake simultaneously or roll and plant vegetables to accelerate fertilized egg coming off, and make female in nursery pond, male sargassum thunbergii plant vegetables reversing of position so that fertilized egg on adherance, be uniformly distributed.
The present invention's beneficial effect compared with prior art:
1, the present invention adopts sargassum thunbergii nursery pond subregion to collect seedling and controls the method for light, makes the sargassum thunbergii seedling in the stage of collecting seedling avoid being subject to for a long time the floating shading light photograph that plants vegetables in top, thereby affects the problem of development of fertilized ova.The cultural method of subregion control light can either guarantee that the sargassum thunbergii receptacle obtains sufficient light stimulation, makes it diffuse a large amount of sperm ovums, improves emergence rate, can make again seedling Fast Growth under suitable illumination.
2, the present invention, in the accurate control light method of sargassum thunbergii seedling different phase, can cultivate larger specification Sargassum thunbergii offspring at short notice, and growth of seedling is fast, healthy, emergence rate is high.
Embodiment
Below by embodiment, technical scheme of the present invention is further explained, but protection scope of the present invention is not subject to any pro forma restriction of embodiment.
Embodiment 1
A kind of seedling-cultivating method that improves sargassum thunbergii emergence rate and growth rate, comprise that sargassum thunbergii nursery pond subregion collects seedling, controls the step of light and accurate control light step at the different vegetative stages of sargassum thunbergii seedling;
The step of light is collected seedling, controlled in described sargassum thunbergii nursery pond subregion:
The 1st day, 16:00 point in the afternoon, choose grow healthy and strong, side shoot is many, have more ripe receptacle and receptacle is grown full sargassum thunbergii frond as planting vegetables.Plant vegetables first through cleaning, clear up harmful organisms and aufwuch: need to prepare several large Plastic Drums, after mixing by 0.1%～0.2% mass volume ratio example with seawater with a little fertilizer (as urea etc.), soaking flushing plants vegetables 5～10 minutes, so not only can play the effect of fertilising but also can play lethal effect to the invertebrate larva.Planting vegetables after fertilizer soaks used seawater flushing 1 time again.Nursery pond adopts cement pit.Using brown curtain, vinylon curtain, bamboo curtain splint etc. as adherance, and female, male kind algae ratio is about 10:1.To plant vegetables is placed on circulation of air and carries out dry in the shade stimulation 1 hour in shady and cool place preferably, and dehydration rate is controlled at 50%～60%.Plant vegetables after dry in the shade stimulation, be paved with nursery pond, shake plants vegetables for several times.
The point in the 2nd day mornings 8 of collecting seedling, be divided into the right and left to nursery pond, and mobile planting vegetables makes its one side that is distributed in nursery pond, make to plant vegetables be paved with nursery pond half, move to again another side planting vegetables at 2 in afternoon.To there being the nursery pond zone planted vegetables to adopt the illumination of 16000～20000lx, the illumination in the nursery pond zone that nothing is planted vegetables is controlled in 4500～6000lx scope; Collect seedling the 3rd day according to the movement of the 2nd day, plant vegetables and control the light method and operated.
Above-mentioned move operation should be noted: mobile while planting vegetables opposite side, to shake simultaneously or roll and plant vegetables to accelerate fertilized egg coming off, and make female in nursery pond, male sargassum thunbergii plant vegetables reversing of position so that fertilized egg on adherance, be uniformly distributed as far as possible.
The described accurate control light method at the different vegetative stages of sargassum thunbergii seedling:
After shifting out and all plant vegetables the 4th day morning, regulating illumination is in 7000～8000lx scope; The 5th day, regulating illumination was in 9000～12000lx scope; The 6th day, regulating illumination was in 13000～15000lx scope; The 7th day, regulating illumination was in 16000～20000lx scope; After the 8th day, illumination can maintain in 20000～25000lx scope until the 14th day, within the 15th day, got final product outbound.
Cultivate management: water temperature is controlled at 18～22 ℃, and slowly flowing water is cultivated, and makes nursery pond change water 1/2-1/3 every day, within 3 days, scrubs 1 time.Seedling management follows temperature control, changes water, diligently clean 3 principles.
The present embodiment is 6～July in 2012, and on black carp beach, Rongcheng, nursery carries out, 700 of training breeding screens, and the indoor culture of 15 days obtains following result in the cycle: seedling averag density 20.3 strains/cm
2, several 16.24 ten thousand strains of the average spatfall of seedling curtain/curtain, the spatfall rate reaches more than 80%, average height of seedling 1.6mm, and the seed of cultivating is even, healthy and strong neat.And traditional seedling-cultivating method, at the indoor cultures of 15 days seedling averag density 12 strains/cm in the cycle
2, the average spatfall number of seedling curtain: 9.6 ten thousand strains/curtain, spatfall rate 40%～60%, average height of seedling 1～1.2mm, if will reach the height of seedling of the present embodiment, will lengthen the cultivation period of 5～10 days.
Claims (2)
1. a seedling-cultivating method that improves sargassum thunbergii emergence rate and growth rate, is characterized in that it comprises that sargassum thunbergii nursery pond subregion collects seedling, controls the step of light and accurate control light step at the different vegetative stages of sargassum thunbergii seedling;
The step of light is collected seedling, controlled in described sargassum thunbergii nursery pond subregion:
The 1st day, 16:00 point～18:00 point in the afternoon, plant vegetables through cleaning, place it in circulation of air after cleaning harmful organisms and aufwuch and carry out dry in the shade stimulation 50～70min in shady and cool place preferably, dehydration rate is controlled at 50%～60%, plant vegetables after dry in the shade stimulation, be paved with the nursery pond of putting into adherance, female, male kind algae ratio is 8:1～12:1, and shake plants vegetables for several times;
The 2nd day, 8 of mornings nursery pond is divided into to the right and left, mobile planting vegetables makes it be distributed in one side of nursery pond, make to plant vegetables be paved with nursery pond half, move to another side all planting vegetables again at 2 in afternoon, to there being the nursery pond zone planted vegetables to adopt the illumination of 16000～20000lx, the illumination in the nursery pond zone that nothing is planted vegetables is controlled in 4500～6000lx scope; Within the 3rd day, according to the movement of the 2nd day, plant vegetables and control the light method and operated;
The described accurate control light method at the different vegetative stages of sargassum thunbergii seedling:
After shifting out and all plant vegetables the 4th day morning, regulating illumination is in 7000～8000lx scope; The 5th day, regulating illumination was in 9000～12000lx scope; The 6th day, regulating illumination was in 13000～15000lx scope; The 7th day, regulating illumination was in 16000～20000lx scope; After the 8th day, illumination maintained in 20000～25000lx scope until the 14th day, within the 15th day, got final product outbound.
2. a kind of seedling-cultivating method that improves sargassum thunbergii emergence rate and growth rate according to claim 1, it is characterized in that when described movement plants vegetables opposite side, to shake simultaneously or roll and plant vegetables to accelerate fertilized egg coming off, and make female in nursery pond, male sargassum thunbergii plant vegetables reversing of position so that fertilized egg on adherance, be uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022213.XA CN103039350B (en) | 2013-01-22 | 2013-01-22 | Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022213.XA CN103039350B (en) | 2013-01-22 | 2013-01-22 | Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103039350A CN103039350A (en) | 2013-04-17 |
| CN103039350B true CN103039350B (en) | 2014-01-08 |
Family
ID=48052400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310022213.XA Expired - Fee Related CN103039350B (en) | 2013-01-22 | 2013-01-22 | Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103039350B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103688843B (en) * | 2013-12-12 | 2015-06-03 | 山东省海水养殖研究所 | Alternate culture method of sargassum thunbergii and kelp |
| CN105993907B (en) * | 2016-06-21 | 2020-02-07 | 山东省海洋生物研究院 | Seedling collecting method and early cultivation method of sargassum thunbergii |
| CN109220769B (en) * | 2018-11-15 | 2020-09-22 | 中国水产科学研究院黄海水产研究所 | Method for improving commodity yield and product quality of caulerpa lentillifera |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736176A (en) * | 2005-09-01 | 2006-02-22 | 烟台大学 | Technique for producing sargassum thunbeergii kuntze offspring |
| CN1943318A (en) * | 2006-10-26 | 2007-04-11 | 威海西港水产刺参原种场有限公司 | Full artificial seedling nursing technology for sargassum thunbergii |
| CN101263780A (en) * | 2008-04-24 | 2008-09-17 | 山东省海水养殖研究所 | Northern sea area Sargassum thunbergii large size seedling seed breeding method ahead of time |
| CN102640698A (en) * | 2012-05-01 | 2012-08-22 | 山东东方海洋科技股份有限公司 | Artificial seedling method for sargassum pallidum |
-
2013
- 2013-01-22 CN CN201310022213.XA patent/CN103039350B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736176A (en) * | 2005-09-01 | 2006-02-22 | 烟台大学 | Technique for producing sargassum thunbeergii kuntze offspring |
| CN1943318A (en) * | 2006-10-26 | 2007-04-11 | 威海西港水产刺参原种场有限公司 | Full artificial seedling nursing technology for sargassum thunbergii |
| CN101263780A (en) * | 2008-04-24 | 2008-09-17 | 山东省海水养殖研究所 | Northern sea area Sargassum thunbergii large size seedling seed breeding method ahead of time |
| CN102640698A (en) * | 2012-05-01 | 2012-08-22 | 山东东方海洋科技股份有限公司 | Artificial seedling method for sargassum pallidum |
Non-Patent Citations (4)
| Title |
|---|
| 刘启顺等.鼠尾藻人工育苗技术研究.《齐鲁渔业》.2006,第23卷(第12期),第5-9页. |
| 王飞久等.鼠尾藻的有性繁殖过程和幼苗培育技术研究.《海洋水产研究》.2006,第27卷(第05期),第1-6页. |
| 鼠尾藻人工育苗技术研究;刘启顺等;《齐鲁渔业》;20061231;第23卷(第12期);第5-9页 * |
| 鼠尾藻的有性繁殖过程和幼苗培育技术研究;王飞久等;《海洋水产研究》;20061031;第27卷(第05期);第1-6页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103039350A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104430079B (en) | Vegetable, Oryza sativa L., flower planting support, with net cage set, the apparatus and method combined | |
| CN103798166B (en) | The indoor extensive artificial breeding method of a kind of the South China coastal Hong Kong oyster | |
| CN104876747B (en) | The method that the potted plant dedicated substrate of strawberry is prepared using black fungus mushroom slag | |
| CN104160864A (en) | Movable submerged plant lawn block production method | |
| CN105993907A (en) | Seedling collecting method and early breeding method of sargassum thunbergii | |
| CN102132671A (en) | Method for secondary cultivation of shell conchospores of porphyra haitanensis | |
| CN103404462A (en) | Method for cultivating fries of coilia ectenes in soil pond | |
| CN102487861A (en) | High-yield high-efficiency technology for cultivating sinonovacula constricta in pond | |
| CN102349434B (en) | High-yield method for cultivating land mater convolvulus by floating on river water which enters lake | |
| CN104743675A (en) | Method for controlling lake eutrophication by regulating and controlling submerged plant growth through water depth | |
| CN102524041A (en) | Method for planting salvia officinalis in hardness adherance | |
| CN105104164A (en) | Quality breeding method for sargassum fusiforme | |
| CN106212328B (en) | Method for overwintering cultivation of 2-generation litopenaeus vannamei by utilizing greenhouse | |
| CN103283689A (en) | Propagation control method for indoor cultivation of Perinereis aibuhitensis | |
| CN104488480A (en) | Cultivation method for flowers on water | |
| CN107232051B (en) | Nutrient rapid propagation-based Sargassum horneri large-scale cultivation method | |
| CN103039405A (en) | Method for mass-producing palatable live bait water earthworms for eel offspring seeds | |
| CN103039350B (en) | Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii | |
| CN103004576A (en) | Method for artificially cultivating Sargassum thunbergii in intertidal zones | |
| CN101422127A (en) | Gulf-weed sexual propagating and seedling rearing method | |
| CN102106285A (en) | Kishinouyea pond three-harvest raising technology | |
| CN104255405A (en) | Method for manufacturing artificial floating bed of suaeda plants | |
| CN104823650B (en) | Water-breeding planting method of water celeries with green and yellow buds | |
| CN203985221U (en) | Removable submerged plant lawn piece implant bed | |
| CN105075845A (en) | Selecting and breeding method for high-quality hizikia fusiformis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150122 |
|
| EXPY | Termination of patent right or utility model |