SciELO - Scientific Electronic Library Online

 
vol.32 issue5Coffee water use in agroforestry system with rubber treesGrowth, phosphorus accumulation and p fractions in seedlings of seven native tree species author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Revista Árvore

Print version ISSN 0100-6762

Abstract

LUZ, Petterson Baptista da et al. Lady palm seed germination: effects of pre-germination treatments. Rev. Árvore [online]. 2008, vol.32, n.5, pp. 793-798. ISSN 0100-6762.  http://dx.doi.org/10.1590/S0100-67622008000500002.

Lady palm (Rhapis excelsa) is an ornamental plant with great commercial value, usually cultivated as vase plant. It is propagated by seed or clump division. Seed germination is not uniform and plant growth is slow, leading to delayed plant production. The research was carried out at the Federal University of Lavras and aimed to compare three scarification methods for a rapid and uniform germination of R. excelsa seeds. The effect of mechanical scarification (with sandpaper in one or both sides of the seed), thermal scarification (immersion in 100ºC water over 1, 2 or 4 minutes) and chemical scarification (immersion in 98% sulfuric, during 1, 2 or 4 minutes)was evaluated on seed germination, using the parameters germination percentage and the index of emergence speed (IES). The results showed that germination percentage and the index of emergence speed were not affected by seed scarification.

Keywords : Rhapis excelsa; Palmae; speed of germination Index.

        · abstract in Portuguese     · text in Portuguese     · pdf in Portuguese