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

Kennedy, Ursula J. and Baddeley, Douglas and 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. ISSN 1329-0436

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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.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: No
Item Status: Live Archive
Additional Information: No evidence of copyright restrictions preventing deposit of Accepted Version. The pre-print version of this article, as made available here, differs in title from the published version as cited in this record.
Faculty/School / Institute/Centre: Historic - Faculty of Sciences - Department of Biological and Physical Sciences
Date Deposited: 28 Apr 2011 05:08
Last Modified: 03 Jul 2013 00:32
Uncontrolled Keywords: grapes; berries; temperature; infrared; quality
Fields of Research : 07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070107 Farming Systems Research
07 Agricultural and Veterinary Sciences > 0706 Horticultural Production > 070604 Oenology and Viticulture
06 Biological Sciences > 0607 Plant Biology > 060703 Plant Developmental and Reproductive Biology
Socio-Economic Objective: B Economic Development > 82 Plant Production and Plant Primary Products > 8203 Industrial Crops > 820306 Wine Grapes

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