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EFFECTS OF GIBBERELLINS ON MARINE ALGAE IN MIXED CULTURES
Author(s) -
Johnston R.
Publication year - 1963
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1963.8.2.0270
Subject(s) - gibberellin , algae , phytoplankton , botany , biology , chemistry , ecology , nutrient
Growth response of eight marine phytoplankton organisms to gibberellins 1, 3, 4, 5, and 7 (usually 10 ‒7 to 10 ‒9 g/ml) were tested in mixed cultures. The extent of the growth promotion where measurable was not large. Slight growth inhibition was more common. Gibberellin 1 was possibly contaminated with an inhibitor. It appeared that gibberellin 5 was the most effective particularly for Skeletonema and Peridinium, with possibly gibberellin 7 as the only other of the group promoting increased growth.