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  • THE VINE’S GROWTH CYCLE I – WINTER PRUNING AND GRAPEVINE BLEEDING

    From about February, vines are again in sap, the vine draws water with enormous force from as far as 30m below. This water presses against the freshly cut surfaces which haven’t callused yet, and oozes from there. This “bleeding” may last up to 2 weeks, and occasionally it develops into small runlets along the stem. Whether the draconian expression “bleeding” is appropriate is anyone’s guess, but it is assumed that low concentrations of minerals and sugars – the vine’s frost protection – are also flushed out with the water, which in case of further severe frosts can significantly damage the vine.

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    It is essential to prevent the sap from flowing down along the canes and “drowning” vital buds. Through skillful Cutting Techniques ie cutting the wood at a slight angle one can achieve a definite spillover spot, from where the water will run off exactly between the buds below. Alternatively, long canes can be slightly bent downwards or a small thread tied behind the cut surface to facilitate draining.

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    Miquel Sangenis explains the Pruning and Grapevinebleeding of Celler Batea’s Vineyards

     

     

    Patricia Arranz Moro

    Celler Batea: Winemaker and Comunity manager