Control of Ice-Ice Disease and Growth in Farming Red Algae Kappaphycus alvarezii (Doty) Doty through the Application of Diversification Method

Wilson Lodewyk Tisera

doi:10.14710/ijfst.20.1.%p

DOI: https://doi.org/10.14710/ijfst.20.1.%25p

Control of Ice-Ice Disease and Growth in Farming Red Algae Kappaphycus alvarezii (Doty) Doty through the Application of Diversification Method

*Wilson Lodewyk Tisera

- Faculty of Fisheries and Marine Science. Universitas Kristen Artha Wacana. Jl. Adisucipto. Oesapa. Kupang. NTT, Indonesia

BibTex Citation Data :

@article{IJFST49518,
    author = {Wilson Tisera},
    title = {Control of Ice-Ice Disease and Growth in Farming Red Algae Kappaphycus alvarezii (Doty) Doty through the Application of Diversification Method},
    journal = {Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology},
  volume = {20},
    number = {1},
    year = {2024},
    keywords = {ice-ice disease; growth; Kappaphycus alvarezii; diversification; Sulamu Waters},
    abstract = {  The farming of red algae Kappaphycus alvarezii (trade name Eucheuma cottonii) has grown rapidly in East Nusa Tenggara since 1999, which has contributed significantly to increasing the income of   the communities   and region. The biggest problem faced since a decade ago is the ice-ice disease phenomenon which attacks   the   farming of K. alvarezii, reducing production  , and   the farmer's income   drastically  . This experimental study aimed to minimize the ice-ice disease   infestation   in   the   farming of K. alvarezii through the application of diversification methods.     This research was conducted in the farming area of K. alvarezii in Sulamu Waters   from   July  -  September 20  20  .    An experimental   method was tested in order to minimize ice-ce disease   infestation  . As   a treatment  , three longline nylon ropes were used with three replicates. The first line was placed by Gracilaria sp seeds; the second line by K. alvarezii seeds; while the third line by Sargassum polycystum seeds.     The conventional   farming method carried out by local farmers   wa  s used as control.  The parameters tested were disease incidence and intensity as well as growth rate.    The result showed that both treatment and control showed in  f  estation of ice-ice disease. Farming with treatment using Gracilaria sp. and Sargassum polycistum gave better   resistance   to ice-ice disease compared to the one without (control). The treatment showed less incidence     (12-38%),   and intensity   (0.05-0.435) of   ice-ice disease compared to   the   control  ,   3  0  -45%   and   2,1-17,19%   respectively  . The contrary   happened   related   to     the   growth rate. The control showed better   daily   growth (mean   4.74%  ) compared to the treatment (mean   4.70%  ).  },
   issn = {2549-0885},   pages = {30--34}  doi = {10.14710/ijfst.20.1.%p},
    url = {https://ejournal.undip.ac.id/index.php/saintek/article/view/49518}
}

Citation Format:

Abstract

The farming of red algae Kappaphycus alvarezii (trade name Eucheuma cottonii) has grown rapidly in East Nusa Tenggara since 1999, which has contributed significantly to increasing the income of the communities and region. The biggest problem faced since a decade ago is the ice-ice disease phenomenon which attacks the farming of K. alvarezii, reducing production, and the farmer's income drastically. This experimental study aimed to minimize the ice-ice disease infestation in the farming of K. alvarezii through the application of diversification methods. This research was conducted in the farming area of K. alvarezii in Sulamu Waters from July-September 2020. An experimental method was tested in order to minimize ice-ce disease infestation. As a treatment, three longline nylon ropes were used with three replicates. The first line was placed by Gracilaria sp seeds; the second line by K. alvarezii seeds; while the third line by Sargassum polycystum seeds. The conventional farming method carried out by local farmers was used as control. The parameters tested were disease incidence and intensity as well as growth rate. The result showed that both treatment and control showed infestation of ice-ice disease. Farming with treatment using Gracilaria sp. and Sargassum polycistum gave better resistance to ice-ice disease compared to the one without (control). The treatment showed less incidence (12-38%), and intensity (0.05-0.435) of ice-ice disease compared to the control, 30-45% and 2,1-17,19% respectively. The contrary happened related to the growth rate. The control showed better daily growth (mean 4.74%) compared to the treatment (mean 4.70%).

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Keywords: ice-ice disease; growth; Kappaphycus alvarezii; diversification; Sulamu Waters

Funding: a person

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Section: Research Articles

Language : ENGLISH

In Vol 20, No 1 (2024): SAINTEK PERIKANAN

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