Morphological and postharvest treatments in Alpinia cultivars

Rozineide Pereira Alves de França, Auclar Felipe Botini, Celice Alexandre Silva, Henrique Machado Almeida, Willian Krause


The characterization and morphological evaluation of plants are essential steps towards the germplasm classification and use in breeding. The objective of this study was to improve the morphological characterization of four Alpinia purpurata cultivars by means of qualitative evaluations to identify genotypes with promising traits for the ornamental plant market. Four cultivars of A. purpurata (‘Jungle King’, ‘Kimi’, ‘Red Ginger’ and ‘Pink Ginger’) were assessed in a partially shaded cultivation system. Quantitative morphological descriptors such as stem length and diameter, number of leaves on floral stem, leaf width and length, inflorescence width and length, fresh weight of floral stem and the number of produced and marketable stems were evaluated. The qualitative descriptors were evaluated on inflorescence, floral stem, petiole, leaf and bracts. Postharvest longevity was tested in a cold chamber (at 16 and 19°C) and at ambient temperature (26°C). The most outstanding quantitative traits of the cultivars ‘Jungle King’, ‘Kimi’ and ‘Pink Ginger’ were stem length and diameter, fresh weight, floral stem durability, inflorescence length and width and productivity. Cultivar ‘Red Ginger’ was less outstanding in the quantitative traits mentioned for the other cultivars. Variation among the cultivars was observed for inflorescence shape and color. The cultivars ‘Kimi’ and ‘Pink Ginger’ produced a stem yield of 6,654.32 and 7,580.24 ha-1 year-1, respectively, and cultivars ‘Red Ginger’ and ‘Jungle King’ 6,012.34 and 4,037.03 ha-1 year-1, respectively. The postharvest durability of the four cultivars evaluated under refrigeration exceeded 15 days and that of the control was less than 8 days. The qualitative and quantitative traits of the cultivars ‘Jungle King’, ‘Kimi’ and ‘Pink Ginger’ were promising for the tropical ornamental plant market.


Postharvest durability, ornamental potential, productivity, tropical ornamental plants

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ISSN: 2447-536X

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