Initial studies into grape berry temperatures of field-grown vines in Queensland

Article


Kennedy, Ursula J., Baddeley, Douglas, Dunn, Gregory and Wheaton, Ashley. 2010. "Initial studies into grape berry temperatures of field-grown vines in Queensland." Australian Viticulture. 14 (5), pp. 63-65.
Article Title

Initial studies into grape berry temperatures of field-grown vines in Queensland

Article CategoryArticle
AuthorsKennedy, Ursula J. (Author), Baddeley, Douglas (Author), Dunn, Gregory (Author) and Wheaton, Ashley (Author)
EditorsLogan, Sonya
Journal TitleAustralian Viticulture
Journal Citation14 (5), pp. 63-65
Number of Pages3
Year2010
Place of PublicationAdelaide, Australia
Web Address (URL)http://winebiz.com.au
Abstract

In recent years the focus of much research has been into the effects of light and heat on the composition of wine grapes. Some findings of this research has shown bunch light exposure to negatively impact on accumulation of anthocyanins (Haselgrove et al. 2000; Spayd et al. 2002) and flavonols (Downey et al. 2004) Bunch exposure has also been shown to increase berry temperature above ambient (Spayd et al. 2002). Findings of such research has led to many growers altering cultural practices in order to reduce bunch exposure and bunch temperature with the aim of increasing wine grape quality.

Traditionally the method for assessing fruit temperature has been to measure bunch zone temperatures often with sensors and data loggers in situ. Although providing a record of bunch zone temperature this method of temperature logging may not however represent the temperature of the berries themselves. Therefore this project aimed to compare the data recorded by bunch zone temperature data loggers with temperatures of directly exposed grape berries.

Keywordsgrapes; berries; temperature; infrared; quality
ANZSRC Field of Research 2020300207. Agricultural systems analysis and modelling
300805. Oenology and viticulture
310804. Plant developmental and reproductive biology
Public Notes

No evidence of copyright restrictions preventing deposit of Accepted Version.

Byline AffiliationsDepartment of Biological and Physical Sciences
University of Melbourne
Institution of OriginUniversity of Southern Queensland
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