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International Journal of Fisheries and Aquatic Studies
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P-ISSN: 2394-0506, E-ISSN: 2347-5129

International Journal of Fisheries and Aquatic Studies

2023, Vol. 11, Issue 2, Part A

Potential of Kappaphycus alvarezii (seaweed) extract as biostimulant on the growth of mangrove propagules (Rhizophora mangle L.) through foliar application


Author(s): Garfonkeel R Gallego

Abstract: This study investigated the potential of seaweed extract of Kappaphycus alvarezii as biostimulant in 3% concentration on the relative growth rate, net assimilation rate, and root to shoot ratio of mangrove propagules of Rhizophora mangle L. through different day- intervals of foliar application under field experiment. There were two factors included: factor A- types of treatment (A1- water, A2- seaweed extract, A3- commercial biostimulant); and, factor B- different day-interval of application (B1- 4 days, B2- 8 days, B3- 12 days). It was revealed that 3% concentration of seaweed extract of K. Alvarezii had no significant effect on the rate growth rate, net assimilation rate, and root to shoot ratio of mangrove propagules of R. Mangle L. Moreover, seaweed extract of K. alvarezii as biostimulant in 3% concentration had no significant difference to the commercial foliar biostimulant and to the different day- intervals of application. This study recommends to explore higher concentration of seaweed extract from K. Alvarezii on propagules of R. Mangle L. and other mangrove species in a greenhouse setting.

DOI: 10.22271/fish.2023.v11.i2a.2790

Pages: 50-57  |  898 Views  593 Downloads

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International Journal of Fisheries and Aquatic Studies
How to cite this article:
Garfonkeel R Gallego. Potential of Kappaphycus alvarezii (seaweed) extract as biostimulant on the growth of mangrove propagules (Rhizophora mangle L.) through foliar application. Int J Fish Aquat Stud 2023;11(2):50-57. DOI: https://doi.org/10.22271/fish.2023.v11.i2a.2790
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