Production of Eucalyptus cloeziana cuttings in response to stock plant temperature

Stephen J Trueman; Tracey V McMahon; M Bristow

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Production of Eucalyptus cloeziana cuttings in response to stock plant temperature

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Production of Eucalyptus cloeziana cuttings in response to stock plant temperature

Stephen J Trueman, Tracey V McMahon and M Bristow

Journal of Tropical Forest Science, Vol.25(1), pp.60-69

2013

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Abstract

adventitious roots

auxin

boron

calcium

myrtaceae

propagation

Propagation of tropical and subtropical eucalypts is often limited by reduced production of rooted cuttings in winter. We assessed whether changing the temperature of stock plants of Eucalyptus cloeziana from 28/23 (day/night) to 18/13, 23/18 or 33/28 °C affected the production, nutrient concentrations and percentages of cuttings that subsequently formed roots. Lowering the temperature to 18/13 or 23/18 °C greatly reduced the number of cuttings harvested from stock plants but did not affect the percentage of cuttings that formed roots. However, raising the temperature to 33/28 °C greatly increased the number of cuttings produced by stock plants and the ensuing percentage of cuttings that formed adventitious roots, thereby increasing the final number of rooted cuttings produced from each stock plant. The effects of stock plant temperatures on rooting were not the result of altered nutrient concentrations. However, consistent relationships were found between adventitious root formation and boron concentration. Rooting percentages were very low (1-14%) but rooted cutting production per stock plant (e.g. 12 rooted cuttings over a 14-week period at 33/28 °C) was sufficient to establish field tests for clonal plantation forestry.

Details

Title: Production of Eucalyptus cloeziana cuttings in response to stock plant temperature
Authors: Stephen J Trueman (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Tracey V McMahon (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
M Bristow (Author) - Charles Darwin University
Publication details: Journal of Tropical Forest Science, Vol.25(1), pp.60-69
Publisher: Forest Research Institute Malaysia
Date published: 2013
ISSN: 0128-1283
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99450159202621
Output Type: Journal article

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