RESPON PERTUMBUHAN DAN BIOMASSA SEMAI RHIZOPORA APICULATA BI TERHADAP SALINITAS DAN KANDUNGAN LIPIDANYA PADA TINGKAT POHON
ABSTRACT: Growth and biomass
Rhizopora apiculata BI seedlings under varied salinities and their lipid
content at tree stage. The research was conducted at Green house, Faculty of
Agriculture and Research Laboratory, Faculty of Pharmacy, University of North
Sumatra from August 2011 to July 2012. This study aims to determine the effect
of salinity on the growth and biomassa of mangrove non secreter R. apiculata
seedlings level and lipid and NSL (Nonsaponifiable Lipids) content at tree
level. Five levels of salinities of 0%, 0.5%, 1.5%, 2%, 3% were treated and
seedlings were planted for 5 months. The results showed that maximum growth of
R. apiculata seedling at 1.5% concentration, leaf number and leaf area were in
the salinity of 0.5%. Stem and root biomass achieved in 1.5%, while the leaf
biomass in the salinity of 0.5%. The content of total lipid and NSL obtained
from the leaves and the roots R. apiculata tree. The content of total lipid R.
apiculata trees in the leaves (9.60 mg)
were more amounts than in the roots (6.40 mg). NSL content of R.
apiculata trees in the roots (0,226 mg) were more than in the leaves (0.10 mg).
The results of this study may provide information to the rehabilitation program
in order to obtain R. apiculata seedlings growing best based on their
salinities.
Keywords: Mangrove, Rhizopora
apiculata, Salinity, Morphology, Content of Lipid and NSL (Non Sapofiniable
Lipid)
Penulis: Prayunita, Mohammad
Basyuni, Lollie Agustina
Kode Jurnal: jpkehutanandd120024
