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Population means and correlation analyses of growth parameters in lisianthus (Eustoma grandiflorum Shinn.)

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Summary

The variation in growth characteristics among lisianthus (Eustoma grandiflorum Shinn.) genotypes was investigated. The genetic control of several growth parameters was studied by analysing parental, F1, BC1 and F2 populations. The parameters analysed were stem elongation rate (SE), stem diameter (SD), leaf width (LW), number of nodes (NN), node length (NL) and days to flowering (DF). The genotypes tested exhibited great variation for all parameters. A particularly wide variation was noted for SE, ranging from 3 to 56 mm/week. This variation was partially attributed to a differential sensitivity to rosette formation. There was a marked positive heterosis for SE, SD, LW and NN; these parameters proved to be genetically correlated within segregating populations. DF was slightly negatively correlated with SE, NN and NL. It was concluded that SE and DF were independently controlled.

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Contribution from the Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel. No. 1196-E, 1993 series.

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Ecker, R., Barzilay, A. & Osherenko, E. Population means and correlation analyses of growth parameters in lisianthus (Eustoma grandiflorum Shinn.). Euphytica 78, 193–197 (1994). https://doi.org/10.1007/BF00027517

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  • DOI: https://doi.org/10.1007/BF00027517

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