Carbohydrate sources for macadamia shoot development

Karimaei, S. and Hanan, J. (2016). Carbohydrate sources for macadamia shoot development. In: XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Nut Crops, Brisbane, Australia, (61-65). August 17-22, 2014. doi:10.17660/ActaHortic.2016.1109.10


Author Karimaei, S.
Hanan, J.
Title of paper Carbohydrate sources for macadamia shoot development
Conference name XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Nut Crops
Conference location Brisbane, Australia
Conference dates August 17-22, 2014
Convener IHC
Journal name Acta Horticulturae   Check publisher's open access policy
Place of Publication Leuven, Belgium
Publisher International Society for Horticultural Science
Publication Year 2016
Sub-type Fully published paper
DOI 10.17660/ActaHortic.2016.1109.10
ISBN 9789462611030
ISSN 0567-7572
Volume 1109
Start page 61
End page 65
Total pages 5
Collection year 2017
Formatted Abstract/Summary
The effect of carbohydrate sources on vegetative growth in macadamia at two major flushing times (March and September in southern hemisphere) were studied indirectly by measuring the growth rate of individual flushes in response to girdling and defoliation treatments during the vegetative growth period. Internode length and girth of a single flush were affected significantly by girdling and defoliation treatments. Two sources of carbohydrate were hypothesised for vegetative growth of the single flush; reserved carbohydrate and current photosynthate. The contribution of these sources to vegetative growth were defined and calculated from the differences between the combinations of girdling and defoliation treatments over time. Based on the results for two major flushing times, reserved carbohydrate contributes more to vegetative growth of macadamia than current photosynthesis.
Keyword Carbohydrate allocation
Carbohydrate reserves
Current photosynthesis
Vegetative growth
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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