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Rooting Responses of Female and Male Cuttings of Leucadendron elimense E. Phillips subsp. elimense on the Type and Concentration of Auxin

Rooting Responses of Female and Male Cuttings of Leucadendron elimense E. Phillips subsp.... AbstractFemale and male plants of difficult-to-root species Leucadendron elimense subsp. elimense were investigated for rooting potential with three rooting hormones: indole-3-acetic acid (IAA), 1-naphthaleneacetic acid (NAA), and indole-3-butyric acid (IBA) at three different concentrations (2000 ppm, 4000 ppm, and 6000 ppm). The experiment was made under essential misting, bottom heat, and a naturally ventilated greenhouse. After 18 weeks the experiment terminated and callusing and rooting percentage, root number, and root length were determined. Female cuttings rooted in the highest percentage (80%), root number (>30), and root length (close to 100 mm) after treatment with IAA at 4000 ppm. Under the above treatment male cuttings rooted in 70%, with a mean root number of 24 and root length of 90 mm. The efficient rooting results could aid in saving the species in its natural habitat and supporting restoration ecology, as well as introducing this species into the flower market. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Horticultural Research de Gruyter

Rooting Responses of Female and Male Cuttings of Leucadendron elimense E. Phillips subsp. elimense on the Type and Concentration of Auxin

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Publisher
de Gruyter
Copyright
© 2021 Jenny Liedtke et al., published by Sciendo
eISSN
2300-5009
DOI
10.2478/johr-2021-0016
Publisher site
See Article on Publisher Site

Abstract

AbstractFemale and male plants of difficult-to-root species Leucadendron elimense subsp. elimense were investigated for rooting potential with three rooting hormones: indole-3-acetic acid (IAA), 1-naphthaleneacetic acid (NAA), and indole-3-butyric acid (IBA) at three different concentrations (2000 ppm, 4000 ppm, and 6000 ppm). The experiment was made under essential misting, bottom heat, and a naturally ventilated greenhouse. After 18 weeks the experiment terminated and callusing and rooting percentage, root number, and root length were determined. Female cuttings rooted in the highest percentage (80%), root number (>30), and root length (close to 100 mm) after treatment with IAA at 4000 ppm. Under the above treatment male cuttings rooted in 70%, with a mean root number of 24 and root length of 90 mm. The efficient rooting results could aid in saving the species in its natural habitat and supporting restoration ecology, as well as introducing this species into the flower market.

Journal

Journal of Horticultural Researchde Gruyter

Published: Dec 1, 2021

Keywords: callusing; interaction between gender and rooting hormones; rooting hormones

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