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Assessing nut germination protocols for macadamia cultivar 'Beaumont'

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Neal, J., Russell, D. M., Giles, J. and Topp, B. (2016) Assessing nut germination protocols for macadamia cultivar 'Beaumont'. In: Acta Horticulturae, Leuven, Belgium.

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Article Link: http://dx.doi.org/10.17660/ActaHortic.2016.1109.31

Publisher URL: http://www.actahort.org/books/1109/1109_31.htm


A rapid rate and high percentage of macadamia nut germination, together with production of vigorous seedlings, are required by nurseries and breeding programs. Germination of nuts is typically protracted, however, and rarely reaches 100%. Many studies have been conducted into macadamia germination, but most have assessed percent germination only. This study investigated the effects of various treatments on percent germination, germination rate, and plant, shoot and root dry weights. The treatments tested were combinations of: (i) soaking or not soaking seeds in a dilute fungicide solution prior to planting; (ii) four different planting media; and (iii) leaving seed trays open or placing them inside clear plastic bags. For freshly harvested nuts, sowing in potting mix under clear plastic and without soaking produced the highest percent germination and germination rate, the largest shoots, and longest lateral roots.

Item Type:Conference or Workshop Item (Paper)
Business groups:Horticulture and Forestry Science
Keywords:propagation FF003Horticultural Crops (NEW March 2000) FF160Plant Propagation HH405Pesticides and Drugs: Control (NEW March 2000) fungicides humidity nuts potting medium soaking roots seed germination seedlings seeds shoots humidity temperature seedling vigour vigour Macadamia Proteaceae Proteales dicotyledons angiosperms Spermatophyta plants eukaryotes
Live Archive:12 Aug 2016 02:47
Last Modified:23 Jun 2023 01:42

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