Povidone-iodine and isothiozolone for removing red tide algae Phaeoecystis globosa

Abstract

Abstract: Studies on the removal and control of red tide algae Phaeoecystis globosa by povidone-iodine and isothiozolone algaecide showed that Phaeoecystis globosa could be killed and controlled by povidone-iodine and isothiozolone. The effective concentration of povidone-iodine was 30 mg稬^-1, and that of isothiozolone was 0.30 mg稬^-1. Using povidone-iodine and isothiozolone together could improve the effect, and the ideal composite ratio of povidone-iodine and isothiozolone was 1.0:0.15.

Key words: Algaecide, Povidone-iodine, Isothiozolone, Phaeoecystis globosa, Synergism index

CLC Number:

HONG Aihua, YIN Pinghe, ZHAO Ling, HUANG Yunfeng, QI Yuzao, XIE Longchu. Povidone-iodine and isothiozolone for removing red tide algae Phaeoecystis globosa[J]. Chinese Journal of Applied Ecology, 2003, (7): 1177-1180.

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