A comprehensive study on the effect of high temperature extremes on berry tannin composition

Research output: Other contribution to conferencePoster

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Abstract

Grapegrowers can be informed to upcoming heatwaves thanks to the Heatwave Service for Australia provided by the Bureau of meteorology. They also have tools to prepare for heatwaves with a number of mitigation options available. These include hydrocooling, canopy management, sunscreen or even shade clothe to reduce direct bunch exposure to sunlight during the summer months. However, with more open spring canopies, or early leaf removal used in some vineyards, young berries may be at risk with the increasing severity and frequency of extreme heat events early i the season. It is thus essential to understand the sole effect of high temperature on berry development, and compounds such as tannins whose biosynthesis start around flowering. In Addition, heatwaves occurring during berry ripening have worsened with berries exposed to air temperature up to 45oC, and reaching well above 50oC of unprotected due to canopy damage.
Original languageEnglish
Publication statusPublished - Jul 2019
Event17th Australian Wine Industry Technical Conference (AWITC 2019) - Adelaide Convention Centre, Adelaide, Australia
Duration: 21 Jul 201924 Jul 2019
https://awitc.com.au
https://awitc.com.au/conference-program/ (Program)
https://awitc.com.au/program/proceedings/seventeenth/ (Conference report)

Conference

Conference17th Australian Wine Industry Technical Conference (AWITC 2019)
Country/TerritoryAustralia
CityAdelaide
Period21/07/1924/07/19
OtherThe Australian Wine Industry Technical Conference is the premier technical event for the Australian wine industry. Held every three years since 1970, it combines an extensive program of plenary sessions, workshops, posters, student forum and social events with the industry’s most respected and extensive trade exhibition.

The Australian Wine Industry Technical Conference Inc. has two members: The Australian Wine Research Institute and the Australian Society of Viticulture and Oenology.
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