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Ornamental Horticulture

On-line version ISSN 2447-536X

Abstract

ARAUJO, Paula Guimarães Pinheiro de et al. Characterization and selection of torch ginger for cut flower. Ornam. Hortic. [online]. 2018, vol.24, n.4, pp.371-379. ISSN 2447-536X.  http://dx.doi.org/10.14295/oh.v24i4.1207.

Torch ginger, Etlingera elatior, is among the most cultivated tropical flower of its genus. Its great acceptability in the market led researchers to improve production characteristics and to adapt it for commercialization. This study aimed to characterize 10 genotypes of torch ginger in order to select and recommend them as cut flower. The experiment ran from Jan 2014 to Dec 2016 in Paulista, Brazil and nine agro-morphological characteristics were evaluated to build a grading system that determined their suitability for cut flower. The IAC 26 and IAC 34 genotypes were classified as poorly suitable, for they presented fresh mass exceeding 237 g. They also presented less than 19 flower stems per clump and only one month with ≥1 floral stem produced in 2015. The genotypes IAC 1, IAC 2, IAC 3, IAC 11, IAC 13 and the cultivar IAC Prumirim were classified as suitable, although they obtained intermediate scores for most of the evaluated criteria. The genotype IAC 41 and the cultivar IAC Camburi were classified as very suitable for cut flower, beginning of flowering period at 12 months, produce 33.25 and 41.20 flower stem per clump, respectively, and present seven months with production of more than one floral stem per clump in 2016, achieving maximum scores from most of the evaluated characteristics.

Keywords : Etlingera elatior; tropical flowers; production.

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