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Control of epiphytism in gracilaria chilensis mariculture

Control of epiphytism in gracilaria chilensis mariculture

Objective

Cultivation of the marine red alga Gaillardia chillness for the production of agar hydrocolloids is a major asset of Chilean aquaculture. More than 500 farming operations are established across the country, mainly in northern (Regions Iliad IV) and southern (Region X) Chile, with annual yields of over 120,000 wet metric tons. Gaillardia is propagated vegetative (i.e. no spores are used to re- stock the farms), on the form of phallus bundles planted or fastened to sand- filled plastic tubes on the sea bottom. A main nuisance to farmers is the widespread occurrence of infections by algal epiphytes, which negatively affect the crop growth rate, lead to biomass losses due to increased drag and result in products with lower economic value. There has been no attempt to develop Gaillardia strains with unproved resistance against epiphytes and no practical method to control epiphytes is available today.

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Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

Address

Place Georges Teissier
29682 Roscoff

France

Administrative Contact

Alain MARCHAL (Mr)

Participants (4)

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CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

France

MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.

Germany

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Chile

UNIVERSIDAD NACIONAL DEL SUR

Argentina

Project information

Grant agreement ID: ICA4-CT-2001-10021

  • Start date

    1 October 2001

  • End date

    1 April 2005

Funded under:

FP5-INCO 2

  • Overall budget:

    € 1 334 165

  • EU contribution

    € 899 741

Coordinated by:

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE

France