METHOD FOR SUPPRESSING PROLIFERATION OF RED TIDE PLANKTON USING SEA WEED

摘要

PURPOSE:To suppress proliferation of red tide plankton by spraying extract or pulverized product of sea weed of the family Ulvaceae or Spermatochnaceae. CONSTITUTION:An extract or pulverized product of seaweeds, especially sea weed of the family Ulvaceae (preferably Letterstedtia japonica Holmes, Ulva pertusa Kjellman or Ulva fasciata Delile), Monostroma nitidum Wittrock, root of Undaria pinnatifida Suringar or the family Spermatochnaceae (preferably cladosiphon okamuranus Tokida) is sprayed on the sea area causing red tide to suppress proliferation of red tide plankton.