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  • Journal Articles, Conference Papers and Book Chapters by SEAFDEC Staff
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Impact of AMPEP on the growth and occurrence of epiphytic Neosiphonia infestation on two varieties of commercially cultivated Kappaphycus alvarezii grown at different depths in the Philippines

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日付
2011
著者
Borlongan, Iris Ann G.
Tibubos, Keneth R.
Yunque, Dianne Aster T.
Hurtado, Anicia Q.
Critchley, Alan T.
Page views
5,078
主題
growth rate ASFA
infestation ASFA
salinity effects ASFA
disease control ASFA
seaweeds ASFA
aquaculture ASFA
epiphytes ASFA
light effects ASFA
irradiance ASFA
nutrients ASFA
plant extracts ASFA
testing ASFA
salinity ASFA
plant growth ASFA
varieties ASFA
Algae ASFA
cultivation ASFA
Kappaphycus alvarezii AGROVOC
Philippines AGROVOC
AMPEP
Occurrence
Cultivation depth
plant extracts AGROVOC
infection AGROVOC
Taxonomic term
Neosiphonia GBIF
Kappaphycus GBIF
Metadata
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抄録
Two varieties of the carrageenophyte Kappaphycus alvarezii (Tungawan, TUNG; and Giant tambalang, GTAM) from Zamboanga Sibugay, Philippines were used to test the efficacy of Acadian Marine Plant Extract Powder (AMPEP) as source of nutrients for growth, and to determine if applications had any effect on the percent occurrence of an epiphytic infestation of the red alga Neosiphonia sp. at four different depths in the sea. Results showed that the use of AMPEP significantly (P < 0.05) increased the growth rate of both Kappaphycus varieties tested but decreased the percent occurrence of Neosiphonia sp. The percent occurrence of Neosiphonia sp. infection (6–50% at all depths) of both Kappaphycus varieties with AMPEP treatment was significantly lower than the controls (i.e., 10–75% at all depths). Both the growth rate of the cultivated seaweed and the percent occurrence of the epiphytes decreased as the cultivation depth increased. Plants dipped in AMPEP and suspended at the surface had the highest growth rates (i.e., 4.1%, TUNG; 3.1%, GTAM) after 45 days; those without AMPEP dipping had the highest percent occurrence of Neosiphonia infection (viz. 70–75%). The occurrence of Neosiphonia infestation was found to be correlated with changes in irradiance and salinity at the depths observed. The results suggested that both varieties of K. alvarezii used in this study have the fastest growth rate when grown immediately at the water surface. However, in order to minimize damage caused by the occurrence of epiphytic Neosiphonia, K. alvarezii should be grown within a depth range of 50–100 cm. These observations are important for the improved management of Kappaphycus for commercial farming. Furthermore, the use of AMPEP treatments for enhancement of growth and reduction deleterious Neosiphonia sp. infections is encouraging.
記述
From the issue entitled "Special Issue: Twentieth International Seaweed Symposium".
URI
http://hdl.handle.net/10862/982
Suggested Citation
Borlongan, I. A. G., Tibubos, K. R., Yunque, D. A. T., Hurtado, A. Q., & Critchley, A. T. (2011). Impact of AMPEP on the growth and occurrence of epiphytic Neosiphonia infestation on two varieties of commercially cultivated Kappaphycus alvarezii grown at different depths in the Philippines. Journal of Applied Phycology, 23(3), 615-621. https://doi.org/10.1007/s10811-010-9649-9 
DOI
10.1007/s10811-010-9649-9
Type
Article
ISSN
0921-8971
Collections
  • Journal Articles [1160]

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