Preparation for removing epiphytic algae from alga body and application thereof
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A technology of algae body and preparation, applied in the direction of application, biocide, biocide, etc., can solve the problem of epiphytic algae that is difficult to clean up, and achieve the effect of simple operation, economical and effective, and strong specificity
Inactive Publication Date: 2011-11-23
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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The rhizoid roots of the epiphytic algae go deep into the epidermal cells of the inner layer of the seaweed, and even a strong water flow cannot wash it off, and the outer skin of the host is cleaned with a brush,
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Embodiment 1
[0019] The method that the present invention removes epiphytic algae is:
[0020] (1) Take different types of herbicide pesticides, including paraquat, acetochlor, benzmethazol, 2,4-D, Nongsita, alachlor, butachlor, oxachlor, and clomazone Pine, oxadiazone, atrazine, simazine, metrizone, promeazone, propanil, trifluralin, glufosinate, bialaphos, bialaphos sodium salt, glyphosate, grass Glyphosate ammonium salt or glyphosate isopropylamine salt, etc., to carry out toxicity and herbicidal effect experiments.
[0021] On the basis of continuous experimentation, a large part of the pesticides that are highly toxic and likely to cause human skin rot or eye skin irritation are eliminated. At the same time, some herbicides with low solubility and great damage to Eucheuma are eliminated. Herbicides that are not suitable for use include: Baicao Acetyl, acetochlor, benzylmethylsulfonate, 2,4-D, Nongsi it, alachlor, butachlor, grass red, clomazone, oxadiazone, atrazine, simazine , metr...
Embodiment 2
[0027] In mid-November 2009, 100 liters of algae killing preparations with a concentration of 3g / l were prepared with seawater. The algae killing preparations were plant herbicides glufosinate, bialaphos, bialaphos sodium salt, glyphosate , glyphosate ammonium salt or glyphosate isopropylamine salt, put in a square plastic barrel with a capacity of 200 liters for use.
[0028] About 250 kilograms of green Kappa algae that were severely infected by epiphytic algae were taken from Li'an Bay (see Figure 2A ), use seawater to preliminarily clean the surface dirt of sea vegetables, then use mesh bags with a diameter of 40cm and a mesh size of 3cm×3cm to pack the sea vegetables separately. The sea vegetables in the mesh bags should be as loose as possible. After finishing, put the mesh bags into the prepared preparation in turn, put 2 mesh bags at a time, take out the mesh bags after 10 minutes, and put them in another square plastic bucket with a volume of 200 liters and 100 liter...
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Abstract
The invention belongs to the technical field of marine organisms, and relates to a preparation for removing epiphytic algae from an alga body and an application thereof. The preparation for removing adherent unwanted algae from an alga body is a plant herbicide. The preparation for removing adherent unwanted algae from an alga body is mixed with seawater, and then the alga body is immersed in seawater to remove adherent unwanted algae, wherein 1-5 g of preparations are added into 1 liter of seawater, and the immersion time is 5-10 minutes. The preparation for inhibiting epiphytic algae of theinvention is a plant herbicide; the action mechanism is that primary reactions of photosynthesis of epiphytic unwanted algae is inhibited, and PSII and the shikimic acid cycle at the photosynthetic reaction center, which prevent metabolic disorder due to drug absorption of glue-producing algae, are mainly inhibited; the preparation of the invention has strong specificity, is economical and effective, has simple operation; epiphytic unwanted algae on the alga body are observed to be withered, shrunk, dry and dead within several days; the purposes of inhibiting epiphytic unwanted algae and keeping glue-producing algae alive are reached; and the contaminated glue-producing algae are recovered to have smooth surfaces and can grow healthily again.
Description
technical field [0001] The invention belongs to the technical field of marine organisms, and relates to a preparation for removing epiphytic algae from algal bodies and an application thereof. Background technique [0002] There are a large number of red algae (mainly agaria, long-heart Kappa and Eucheuma) growing naturally in tropical seas, and they are the main biological resources for the production of different types of carrageenan in the world today. At present, only a small part of these red algae raw materials come from sea vegetables in tropical marine natural habitats such as coral reefs, and most of them come from artificially cultivated sea vegetables. In addition to my country's Hainan, currently the Philippines, Indonesia, Malaysia, Vietnam and other Southeast Asian countries and Pacific islands such as Fiji, as well as Mexico and Brazil in Central and South America, and tropical countries and regions such as Kenya and Tanzania in Africa have already realized th...
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