Aureococcus anophagefferens algistat and preparation method for same
A Chrysococcus algae inhibitor, Chryseococcus antifeeding technology, applied in botanical equipment and methods, herbicides, algicides, biocides, etc., can solve the problems of low ecological security, and achieve simple preparation methods , long-lasting effect, fast onset effect of algae inhibition
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Embodiment 1
[0033] The invention relates to an algae-inhibiting agent for Chrysococcus, which is prepared from the following steps: suction-filtering, extracting, concentrating and drying the algae liquid of Phaeodactylum tricornutum.
[0034] A kind of preparation method of described antifeeding Chrysococcus algicide, such as figure 1 shown, including the following steps:
[0035] (1) Phaeodactylum tricornutum is cultivated to the late stage of exponential growth; the expanded cultivation of Phaeodactylum tricornutum: adopt 1000 milliliters of f / 2 culture medium to cultivate, and culture condition is that light intensity is 2000 lux, light-dark cycle D:L=12 hours : 12 hours at 20°C. Shake the algae liquid 3 times a day, cultivate Phaeodactylum tricornutum to the late stage of exponential growth, and the algal cell density is 6.8×10 10 per liter, that is, the total number of algal cells of Phaeodactylum tricornutum is 6.8×10 10 indivual;
[0036] (2) carry out vacuum suction filtratio...
Embodiment 2
[0056] The invention relates to an algae-inhibiting agent for Chrysococcus, which is prepared from the following steps: suction-filtering, extracting, concentrating and drying the algae liquid of Phaeodactylum tricornutum.
[0057] A kind of preparation method of described antifeeding Chrysococcus algicide comprises the steps:
[0058] (1) Phaeodactylum tricornutum is cultivated to the late stage of exponential growth; the expanded cultivation of Phaeodactylum tricornutum: adopt 1000 milliliters of f / 2 culture fluid to cultivate, and culture condition is that light intensity is 2500 lux, light-dark cycle D:L=12 hours : 12 hours at 20°C. Shake the algae liquid 3 times a day, cultivate Phaeodactylum tricornutum to the late stage of exponential growth, and the algal cell density is 6.8×10 10 per liter, that is, the total number of algal cells of Phaeodactylum tricornutum is 6.8×10 10 indivual;
[0059] (2) carry out vacuum suction filtration through the filter membrane of desc...
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