Potential effect of atmospheric warming on grapevine phenology and post-harvest heat accumulation across a range of climates

International Journal of Biometeorology
Andrew HallBruno P Holzapfel

Abstract

Carbohydrates are accumulated within the perennial structure of grapevines when their production exceeds the requirements of reproduction and growth. The period between harvest and leaf-fall (the post-harvest period) is a key period for carbohydrate accumulation in relatively warmer grape-growing regions. The level of carbohydrate reserves available for utilisation in the following season has an important effect on canopy growth and yield potential and is therefore an important consideration in vineyard management. In a warming climate, the post-harvest period is lengthening and becoming warmer, evidenced through studies in wine regions worldwide that have correlated recent air temperature increases with changing grapevine phenology. Budbreak, flowering, veraison, and harvest have all been observed to be occurring earlier than in previous decades. Additionally, the final stage of the grapevine phenological cycle, leaf-fall, occurs later. This study explored the potential for increased post-harvest carbohydrate accumulation by modelling heat accumulation following harvest dates for the recent climate (1975-2004) and two warmer climate projections with mean temperature anomalies of +1.26 and +2.61 °C. Summaries of post-harvest he...Continue Reading

References

Dec 14, 2004·International Journal of Biometeorology·David W WolfeNelson J Shaulis
Feb 12, 2010·Nature·Richard H MossThomas J Wilbanks
Dec 1, 2010·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Richard A BettsMichael G Sanderson
Jan 12, 2013·International Journal of Biometeorology·H FragaJ A Santos
Apr 1, 2004·Medical Journal, Armed Forces India·V K ShukulB G Shankar

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Citations

May 21, 2017·International Journal of Biometeorology·Alison Donnelly, Rong Yu
May 26, 2017·International Journal of Biometeorology·C JarvisI Goodwin
Mar 29, 2021·Plant Physiology and Biochemistry : PPB·Sara BernardoJosé Moutinho-Pereira

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