Variation in the flowering phenology of apple and pear in Australia
Bud burst and flowering dates of commercial apple and pear cultivars were monitored in three geographically and climatically distinct growing regions of Australia (Applethorpe, Queensland; Shepparton, Victoria; Manjimup, Western Australia). Whole tree field assessments were made of 5% green tip, first open flower and progression of flowering to full bloom at all sites.
Initial data from 2012 and 2013 indicated significant regional and varietal variation in the timing of bud burst and flowering.
Variability in the duration of the period between first open flower and full bloom among sites suggests potential effects of climate on the consistency of flowering.
Relationships between phenological variability and temperature are discussed.
Field measurements and temperature data are being used to develop cultivar specific models of bud burst and flowering time.
These phenological models will be used in conjunction with 2030 climate forecasts to make predictions about potential impacts on the pome fruit industry in Australia.
Preliminary results from the modelling analysis are presented.
Parkes, H.A., Tabing, O., McClymont, L., Wilkie, J.D. and Combret, M. (2016). Variation in the flowering phenology of apple and pear in Australia. Acta Hortic. 1130, 55-62
DOI: 10.17660/ActaHortic.2016.1130.8
https://doi.org/10.17660/ActaHortic.2016.1130.8
DOI: 10.17660/ActaHortic.2016.1130.8
https://doi.org/10.17660/ActaHortic.2016.1130.8
chill, climate change, dynamic model, green tip, phenophase, bud burst
English
1130_8
55-62
- Working Group Orchard Systems and Technologies
- Working Group Environmental Physiology and Developmental Biology
- Division Temperate Tree Fruits
- Division Physiology and Plant-Environment Interactions of Horticultural Crops in Field Systems
- Division Precision Horticulture and Engineering
- Division Tropical and Subtropical Fruit and Nuts
- Division Temperate Tree Nuts
- Division Vegetables, Roots and Tubers
- Division Protected Cultivation and Soilless Culture
- Division Vine and Berry Fruits