Seaweed (Kappaphycus alvarezii) is one of the aquatic commodities that has potential to be developed due demand reaching international market (Ari, SP and Risna Yusuf, 2018). Provision seeds still carried out by vegetative means (cuttings) (Runtuboy N Slamet Abadi, However, there are problems, especially provision quality seeds, large scale, does not depend on season. can also done generatively...