Drought-tolerant grape vines tested for Australian conditions

Alex Copper with the drought-tolerant variety聽Xynisteri

Alex Copper with the drought-tolerant variety聽Xynisteri. Photo sourced from .听

Wine researchers at the 成人大片 are investigating drought-tolerant grape varieties from Cyprus for their suitability for Australian conditions.听

The Cypriot varieties聽Xynisteri聽(white) and聽Maratheftiko聽(red) have just been released from Australian quarantine and are being propagated at the University鈥檚 Waite campus before being placed in trials, replicating those that were undertaken in commercial Cypriot vineyards over the past 6 months.

鈥淲e are seeing increasing temperatures and increasing frequency of heat waves in southern Australia and this is affecting vine harvest and putting more and more pressure on water resources,鈥 says 成人大片 PhD student Alexander Copper. 鈥淭hese varieties are very drought tolerant in Cyprus, often grown without any irrigation, and it is hoped they will be able to grow in Australian conditions with minimal to no irrigation.鈥

Mr Copper is funded by 成人大片 and Wine Australia scholarships, and supervised by聽听补苍诲听, and Dr Trent Johnson, in the University鈥檚聽.

鈥淎ustralia鈥檚 popular grape varieties, including Shiraz, Cabernet Sauvignon, Pinot Noir, Chardonnay, Sauvignon Blanc, Pinot Gris are all French varieties that traditionally have been grown in parts of France with high rainfall and without irrigation.听In Australia these varieties are typically irrigated due to our difference in rainfall, likewise our Rieslings which originally came from Germany,鈥 says Mr Copper.

鈥淲e do have some more drought tolerant varieties from Spain, Italy and Portugal, but I believe the Cypriot varieties will be more drought tolerant than these.听

鈥淭hey have been cultivated for thousands of years in Cyprus, tolerating very hot, dry summers, surviving on winter rainfall alone, very similar to our climate here in South Australia.鈥

Preliminary research has shown that Australian consumers like wines made from these varieties.

鈥淭he first part of Alexander鈥檚 project was to assess consumer response to these wines, which has been positive,鈥 says Associate Professor Collins.听

鈥淐onsidering the similar climates of Australia and Cyprus, these Cypriot grape varieties have potential as environmentally sustainable wines which will require less resources and help in the future adaptation of the wine industry to a changing climate.鈥

Mr Copper has completed trials under irrigated and drought conditions in Cyprus and the material from quarantine will be used to repeat these experiments in Australia to further determine their drought tolerance.听

鈥淲e hope to have data ready for publication from the Cyprus trials early in 2020, and the Australian trials at the Waite campus in Autumn 2021,鈥 he says. 鈥淎fter that we hope to run field trials in different regions of South Australia.鈥

This research at the 成人大片鈥檚 Waite campus, aligns with the University鈥檚 industry engagement priority in agrifood and wine, and in tackling the grand challenge of environmental sustainability.

This article is republished from the聽,聽under a Creative Commons license.

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Tagged in Agriculture, food and wine, Environment, sustainability and climate change, drought