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Grapevine phenology and agroclimatic indices in Croatia under climate change (CROSBI ID 668784)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Vučetić, Višnjica ; Vučetić, Marko ; Omazić, Branimir ; Telišman Prtenjak, Maja ; Ivan Prša, Ivan ; Karoglan, Marko Grapevine phenology and agroclimatic indices in Croatia under climate change // Proceedings of Abstracts PHENOLOGY 2018 One planet, two hemispheres, many regions / Keatley, Marie R. (ur.). Melbourne: International Society of Biometeorology, 2018. str. 44-44

Podaci o odgovornosti

Vučetić, Višnjica ; Vučetić, Marko ; Omazić, Branimir ; Telišman Prtenjak, Maja ; Ivan Prša, Ivan ; Karoglan, Marko

engleski

Grapevine phenology and agroclimatic indices in Croatia under climate change

Research worldwide indicates that future climate changes will not have an identical impact on all cultivation areas. As wine production has a long tradition in Croatia, it is important to determine whether the part of the country, which is suitable for grape cultivation, continues to be favorable in the future. In order to observe the changes, seven developmental stages of eight phenological stations for the well-known Croatian grapevine varieties (Riesling Italico, Chasselas Blanc, the Queen of Vineyard, Istrian Malvasia, Plavac Mali, Blatina and Trbljan) have been analysed in the period 1961-2017. To indentify the effect of climate change, agroclimatic indices: Huglin heliothermal index (HI) and growing degree-days (GDD), which are frequently used to indicate suitable areas for wine production, have been evaluated in the period 1987-2016 compared to the normal 1961-1990. Linear trend analysis of phenological data showed that dates of leaf unfolding, beginning and end of the flowering occurred earlier by 1-3 days/decade in the Adriatic area and 3-5 days/decade in the continental area. The duration of the ripening period has been reduced by half (on 17-20 days) over the last 30 years. The shortening of the vegetation period is more due to the harvest beginning earlier in the summer than to the earlier onset of vegetation in the spring. In the period 1961-1990 HI was up to 2500°C and GDD up to 2300°C for the mid-Adriatic, up to 2050°C and 1500°C respectively for the continental area and below 1600°C and 1000°C for mountainous area. In the last 30 years, the increase of HI and GDD is evident in the whole Croatia (up to 300°C). Thus, in the near future in the continental part it could become possible to grow thermally more demanding red grape varieties, while earlier varieties could be cultivated in some mountainous parts.

grapevine, phenological phases, GDD, Huglin index, climate change, Croatia

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Podaci o prilogu

44-44.

2018.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of Abstracts PHENOLOGY 2018 One planet, two hemispheres, many regions

Keatley, Marie R.

Melbourne: International Society of Biometeorology

Podaci o skupu

Phenology 2018: One planet, two hemispheres, many regions

poster

23.09.2018-28.09.2018

Melbourne, Australija

Povezanost rada

Geofizika, Poljoprivreda (agronomija)