Harry Hansen Sterling Vineyards University of California, Davis December 9, 2011.

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Presentation transcript:

Harry Hansen Sterling Vineyards University of California, Davis December 9, 2011

Botrytis Rising Rainfall (2011 Napa, 2010 SLO, 2006 Santa Maria) – Once is serious (watch the vyds) – Twice is very bad (your grower isn’t kidding) – Don’t wait for three (you lose) – Embrace underripe fruit (Robt. Mondavi did) but understand its limitations Harvest considerations – Hand vs machine – Vineyard chemical adds (SO2, ascorbic, tannin)

Now You’ve Done It Rapid processing of whites Settle with pectinase and β-glucosidase Chase with bentonite, gallnut tannins Milk fine (TTB special permit), carbon fine post-rack Possible HTST treatment to kill residual laccase Raise standard SO2 adds Use vigorously fermenting yeast Be aware of strong reductive behavior of lees postferm Copper is not evil Skip malolactic fermentation?

Again, With Feeling Red processing is more difficult Thermoflash? High SO2 adds Oak chips, tannins Good luck sorting Skim the top Inoculate immediately Lots of pumpovers, lots of aeration High temp fermentation, press off early Push quick malolactic fermentation