Growth stage development of grapevine: 84 years of observations on the cultivar Chasselas in Switzerland | Phénologie de la vigne: 84 ans d'observation du Chasselas dans le bassin lémanique
2009
Spring, J.-L., Agroscope Changins-Waedenswil (ACW), Pully (Switzerland). Centre de recherche Pully | Viret, O. | Bloesch, B.
The principle growth stages of grapevine have been observed during the last 84 years on the cultivar Chasselas at the research station Agroscope Changins-Wädenswil ACW in Pully (Vaud, Switzerland). These observations enhance a cyclic development of grapevine. The current global warming of the last twenty years has significantly reduced the time for bloom and «véraison». Such conditions have already been observed during the ten years between 1940 and 1950, with precocity records for these two growth stages. Before the forties and after the fifties, slower development periods have been registered.
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