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A technology of eelgrass and seeds, applied in botany equipment and methods, seaweed cultivation, climate change adaptation, etc., can solve the problems of increasing the cost and labor intensity of seagrass fields, low survival number, and reducing the effective germination of seeds, etc., to achieve Quickly restore the marine ecological environment, reduce the chance of biological ingestion, and help restore and rebuild the effect
Active Publication Date: 2010-09-15
SHANDONG ORIENTAL OCEAN SCI TECH
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Problems solved by technology
At present, the reconstruction of seagrass fields is to directly sow or spread the seeds of eelgrass to the sea area after collection. Due to the dormancy characteristics of eelgrass seeds, they cannot immediately enter the germination state, so that the eelgrass seeds can survive the adverse conditions during the dormancy period. Germination environment, but at the same time it also increases the chance of being swallowed by seed-eating organisms. In addition, the non-uniformity of dormancy of the seeds of Zinaria spp. The number of algal seeds that can eventually germinate and survive is low
At present, there are very few in...
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Embodiment 1
[0017] Such as figure 1 Shown, a kind of marine eel algae seed quick germination method, its steps are:
[0018] (1) Artificial seawater with a salinity of 5‰ is prepared with artificial seawater and pure water.
[0019] (2) After the selected shape is complete, the texture is hard, the particles are full, and the ripe and vigorous Zelpinus seeds are rinsed, they are directly put into the 5‰ low-salinity artificial seawater prepared by the above (1). When rinsing the seeds of eel algae with pure water, it is enough until there are no obvious attachments and impurities, and the water temperature of the rinsing pure water is generally kept at room temperature.
[0020] (3) Put the 5‰ low-salinity artificial seawater soaked with the seeds of eelweed in the above step (2) into a constant temperature light incubator and cultivate it for 3 weeks to germinate. The constant temperature light keeps the temperature at 14°C and the light intensity is 40 μmol m -2 the s -1 , L:D=12:12....
Embodiment 2
[0046] The constant temperature and light maintenance temperature in step (3) of Example 1 was set to 12° C., and the other steps and culture conditions were the same as in Example 1.
Embodiment 3
[0048] The constant temperature and light maintenance temperature in step (3) of Example 1 was set to 16° C., and the other steps and culture conditions were the same as in Example 1.
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Abstract
The invention discloses a quick germination method of grass wrack seeds. The method comprises the following steps of: after the grass wrack seeds are washed clean, directly putting the grass wrack seeds into 0.5 percent low-salinity artificial seawater; putting the 0.5 percent low-salinity artificial seawater with the soaked grass wrack seeds into an incubator in the presence of constant temperature and illumination for culturing for 3 weeks to ensure that the grass wrack seeds germinate, wherein the holding temperature in the presence of the constant temperature and illumination is 12-16 DEG C, the illumination intensity is 40 mu molm<-2>s<-1> and the ratio of L:D is 12:12; leading the germinated seeds into a salinity raising and domestication stage: ensuring that the salinity of the artificial seawater for soaking the germinated grass wrack seeds is improved by 0.5 percent per day until reaching a normal seawater salinity of 3 percent; and then sowing the germinated grass wrack seedlings adapting to the natural seawater salinity in an appointed sea field. The method can ensure that the grass wrack seeds germinate quickly and completely and normally grow so that the probability of suffering from being swallowed by seed-eating organisms of the grass wrack seeds is greatly reduced and is beneficial to the recovery and reconstruction of sea grass meadows so as to quickly recover good marine ecological environment.
Description
technical field [0001] The invention relates to a method for cultivating eel algae seeds, in particular to a rapid germination method for eel algae seeds. Background technique [0002] Zostera marina L., commonly known as kelp, belongs to Angiospermae, Monocotyledoneae (or Liliopsida), Alismales, Potamogetonaceae, Zostera L. is a perennial herb with prostrate rhizomes and fibrous roots on nodes. Stem sparsely branched, flat, light green. Leaves are alternate, green, strip-shaped, more than 50 cm long, 3-5 mm wide, rounded at the top, entire, with 5-7 veins, membranous stipules. The spadix is initially enclosed in the spathe, 4-6 cm long, the rachis of the inflorescence is flat, and there are no bract-like appendages on the edge; the flowers are small, unisexual, and the female and male flowers are alternately arranged in 2 rows along one side of the inflorescence rachis, without Perianth; ovary ovate-long-elliptic; stigmas 2, setose. Seeds oblong, about 4 mm long, with...
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