Impacts of AMPEP on Epiphytes and Diseases in Kappaphycus and Eucheuma Cultivation

  • Rafael R. Loureiro
  • Anicia Q. Hurtado
  • Alan T. Critchley
Part of the Developments in Applied Phycology book series (DAPH, volume 9)


The causes for epiphyte outbreaks known as ‘goose bumps’ and the ‘ice-ice’ malaise are generally assigned to be due to stresses resulting from rapid shifts in environmental parameters, followed by fungal, bacterial and algal infestations. These conditions are responsible for the loss of many Kappaphycus and Eucheuma ‘seedlings’ affecting the quantity and quality of biomass from farming operations, which mainly affect poor coastal communities which rely on macroalgal farming as their only source of cash income. “Acadian Marine Plant Extract Powder” (an acronym coined by Hurtado – AMPEP) is a commercial extract from the brown alga Ascophyllum nodosum; it has proven to be, amongst other macroalgal-based extracts, one of the most promising solutions to ameliorate the harmful consequences of “disease” outbreaks; mode of action is suggested as being via elicitation of the treated eucheumatoid’s own defense mechanisms thereby dampening epiphyte spore germination and establishment, while improving daily growth rate and carrageenan gel yield and quality (i.e. molecular weight).


Kappaphycus alvarezii Productivity Brown seaweed extract AMPEP Red algal defense mechanisms Biotechnology Epiphytes 


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Rafael R. Loureiro
    • 1
  • Anicia Q. Hurtado
    • 2
  • Alan T. Critchley
    • 3
  1. 1.Blue Marble Space Institute of ScienceSeattleUSA
  2. 2.Integrated Services for the Development of Aquaculture and Fisheries (ISDA) Inc.Iloilo CityPhilippines
  3. 3.ParadiseCanada

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