Some observations on the liberation and viability ofudOospores in Sargassum wightii (Greville) j. Agardh

摘要

Some observations made on the output and viability of oospores in Sargassumudwightii are presented. iMiaximum output of healthy spores was observed forudseven days in the laboratory experiments, without any periodicity in the Eberationudof oospores. Spore-shedding season extends for three months, from November toudJanuary, with the highest value in December. In viability experiments 47.6% ofudthe sporelings have been found in healthy condition at the end of 60 days.