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Nutrient partitioning among the roots, hedge and cuttings of Corymbia citriodora stock plants

Trueman, S. J., McMahon, T. V. and Bristow, Mila (2013). Nutrient partitioning among the roots, hedge and cuttings of Corymbia citriodora stock plants. Journal of Soil Science and Plant Nutrition,13(4):977-989.

Document type: Journal Article
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IRMA ID 82057923xPUB597
Title Nutrient partitioning among the roots, hedge and cuttings of Corymbia citriodora stock plants
Author Trueman, S. J.
McMahon, T. V.
Bristow, Mila
Journal Name Journal of Soil Science and Plant Nutrition
Publication Date 2013
Volume Number 13
Issue Number 4
eISSN 0718-9516
Scopus ID 2-s2.0-84892848319
Start Page 977
End Page 989
Total Pages 13
Place of Publication Chile
Publisher Sociedad Chilena de la Ciencia del Suelo
HERDC Category C1 - Journal Article (DIISR)
Abstract Many eucalypt species are difficult to propagate as rooted cuttings. The mineral nutrition of cuttings is a key factor that limits adventitious root induction but little is known about partitioning of nutrients by eucalypt stock plants. This study determined N, P, K, Ca, B, S, Mg, Mn, Zn, Al, Fe and Na concentrations in the root system, pruned hedge and harvested cuttings of stock plants of the eucalypt, Corymbia citriodora. Between 17% and 31% of total plant mass was collected as cuttings at each harvest. The mobile nutrients, N, K and S, were highly concentrated in the cuttings and were removed in high amounts (e.g. 27-6%> of total plant N) at each harvest, whereas less-mobile nutrients such as Ca and Zn were less concentrated in the cuttings than other plant parts. Adventitious rooting of eucalypt cuttings has been related to B concentration but this study revealed that B was much more highly concentrated in the hedge than the cuttings. Management of N and K concentrations for shoot production, and B concentrations for adventitious rooting, may be critical for sustaining rooted cutting production by C. citriodora.

Keywords Boron
Mineral nutrition
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Additional Notes This is an Open Access article distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description for Link Link to CC Attribution 3.0 License

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