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Crop Load Adjustment - PA Wine Grape Growers Network

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Table 1 Significant impacts* of cluster thinning on late harvest Finger Lakes<br />

Riesling, 2008-2010. Measurements are the average of four field replicates.<br />

<strong>Crop</strong> load<br />

(yield/pruning wt) Pressed juice Brix CEFA<br />

Treatment 2008 2009 2010 2008 2009 2010 2008 2009 2010<br />

Low 3.3 c 3.2 c 2.9 b 19.6 a 19.9 a 21.4 a 0.18 a 0.28 b 0.21 a<br />

Medium 4.1 b 4.8 b 4.1 a 19.4 a 19.5 a 20.3 b 0.23 a 0.29 b 0.25 a<br />

High 5.7 a 6.6 a 4.2 a 17.5 b 18.2 b 19.5 b 0.23 a 0.32 b 0.24 a<br />

Control 6.3 a 7.0 a 4.6 a 17.1 b 17.8 b 19.1 b 0.26 a 0.39 a 0.32 a<br />

* Means analyzed by SAS GLM PROC and significance indicated by different letters at p ≤ 0.05.

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