Pengaruh Salinitas terhadap Pertumbuhan dan Komposisi Rantai Panjang Polyisoprenoid Semai Mangrove Sejati Minor Berjenis Sekresi Xylocarpus granatum Koenig

Abstract

NURFALAH SIREGAR : Effect of salinity on the growth and composition of long chain polyisoprenoid in true mangrove of minor secretor Xylocarpus granatum Koenig seedlings. By MOHAMMAD BASYUNI and BUDI UTOMO. Effect of salinity on the growth and composition of long chain polyisoprenoid in true mangrove of minor secretor Xylocarpus granatum Koenig seedlings. Studied in the greenhouse, Faculty of Agriculture and laboratory of forest ecology, University of Sumatera Utara. Research started from July to November 2014. This study used five levels of salinity, namely 0%; 0.5%; 1.5%; 2% and 3% where seedlings were grown for 3 months. The best result was obtained 0.5% salinity, seedling height at 0.5% salinity, diameter seedlings in salinity 0%, number of leaves at 2% salinity, Leaf area at 2% salinity, wet weight of sample 0.5%, wet weight shoot at a salinity of 0.5%, wet weight of the stem at a salinity of 0.5%, root dry weight in salinity 0%, shoot dry weight at 2% salinity, stem dry weight at 0.5% salinity, and sample dry weight at 0.5% salinity. Chramotogram showed contained of X.granatum plants are doilichol with standard 1-3 on leaf. and dolichol standard 7-9 on the leaves at the same salinity level is 0%.