Abstract
Heliconia, a high value flower crop can assure sizable income to farmers with minimum investment and care. Suitable agro techniques help in obtaining maximum number of high quality flowers. Therefore, field trial was undertaken at the Department of Horticulture, University of Agricultural Sciences, Dharwad during 2021-22 to understand the influence of growing condition, spacing and nutrition to improve the flower quality and post harvest life of Heliconia genotypes. The experiment was laid out in strip plot design with three replications and sixteen treatment combinations comprised of two growing conditions as main plot (M1:Coconut garden and M2:Shade house) and combinations of genotypes, spacing and nutrition as eight sub plots [G1:Orange (H. latispatha), G2:Kenea Red (H. psittacorum), S1:40 × 40 cm, S2:40 × 60 cm, N1:100% recommended dose of fertilizer (RDF) and N2:75% RDF]. Result indicated significant difference with all flower quality parameters and post harvest life. Plants in shade house exhibited highest values for all the characters compared to plants in coconut garden. The interaction found significant for stem length (54.01 cm) which was higher under T13 (M2G2S1N1). Treatment combination T11 (M2G1S2N1) recorded maximum stem girth (2.37 cm), spike length (19.87 cm) and spike width (21.67 cm). The same treatment combination (T11:M2G1S2N1) recorded maximum fresh weight of flowers (117.68 g), lowest physiological loss in weight (23.26%) and highest vase life of 16.60 days. and the same treatment combination can be suggested to get good quality flowers with extended vase life in Heliconia.
Published Version
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