Abstract
A field experiment was conducted to assess the influence of variety and plant spacing on yield and yield attributes of roselle ( Hibiscus sabdariffa L.) in 2014/2015 cropping season at Wondo Genet Agricultural Research Center experimental site (at Wondo Genet station). Six levels of plant spacing (60 x 30 cm, 60 x 60 cm, 60 x 90 cm, 90 x 30 cm, 90 x 60 cm and 90 x 90 cm) were evaluated using two varieties (WG-Hibiscus- Jamaica and WG-Hibiscus-Sudan) on a plot size of 15.12 m 2 (3.6 m length x 4.2 m width). The experimental design was a randomized complete block design in factorial arrangement with 12 treatments in three replications. SAS (version 9) software was used to compute the analysis of variance. The results revealed that varieties differed markedly in most of the studied parameters. Of the two varieties tested, variety WG Hibiscus-Jamaican showed superior number of capsules/plant, fresh calyx yield/plant, dry calyx yield/plant, seed yield/plant, total number of capsules/ha, total fresh calyx yield/ha, total dry calyx yield/ha and total seed yield/ha. In contrast, variety WG Hibiscus-Sudan had heavier 1000 seed weight than variety WG of the studied parameters except 1000 seed weight were significantly influenced by plant spacing. Moreover, number of capsules/plant, fresh and dry calyx yield/plant and seed yield/plant were significantly influenced by interaction of variety and plant spacing.
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