Wines & Vines

May 2014 Packaging Issue

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94 W i n e s & V i n e s M AY 2 0 1 4 WineEast Grapegrowing Trellis Supplies • Notched Metal Post, Wood • Anchors • Wire • Tools • Gripples • Dura-Line Training & Tying Supplies •Tree-fix • Wire ties • AgLoc • Klip-on • Grow Tubes • Training Stakes • Tying Products Wildlife Control • Bird netting • Side Applied Netting • BirdGard • Scare Devices • Deer Fence & Deterrents Spring Pruning and Tying Supplies FINGER LAKES TRELLIS SUPPLY BUY ONLINE! www.fingerlakestrellissupply.com 315-904-4007 4041A Railroad Ave. info@fingerlakestrellissupply.com Williamson, NY 14589 fusel intensity of the flavor and the structure or mouthfeel. In addition, panelists were asked to rate the overall likability and their likelihood of purchase for each wine. The intensity of each attribute was measured on a 10cm line scale, with anchors at zero for "not at all" and 10 for "extremely," and panelists were asked to mark a dot along the scale to indicate their response, which was later measured and converted to a numeri- cal rating. After completing the attribute response exercise, panelists were asked to record their typical willingness to pay for an average 750mL bottle of late-harvest Riesling in a New York City retail store. Then they were asked to record their maximum willingness to pay for each of the experimen- tal wines, assuming a hypothetical situation where they were buying a 750mL bottle of the wine at a New York City retail store. After completing the entire tasting exercise for 2009 wines, the same procedure was repeated for 2010 wines. Economic analysis Fixed and variable production costs for managing 1 hectare of Riesling in the Fin- ger Lakes, including additional labor costs of implementing cluster thinning, were derived from a published survey of vineyard management costs (White 2008) and entered into our cluster-thinning economic model (Preszler et al. 2010). Specific input parameter data were yield (t/ha) before and after cluster thinning, fixed and variable production costs ($/t) before and after clus- ter thinning, and the market price for late- harvest Riesling grapes ($/t). The model as- sumes net returns per tonne increase with higher per-tonne price requirements but are offset due to lower yields and higher pro- duction costs. Microsoft Excel was used for basic descriptive statistics and economic data were analyzed using a previously pub- lished model (Preszler et al. 2010). Economic analysis and wine sensory willingness to pay trial Cost, price, yield and revenue parameters obtained from data collected in the field trial or derived from published sources were entered in the cluster-thinning eco- nomic model (see "Production Costs and Pricing Parameters" on page 93). Yield of control vines was 8.4 tonnes per hectare in 2008, 7.8 tonnes per hectare in 2009 and 5.8 tonnes per hectare in 2010. Average market price for Finger Lakes late-harvest Riesling was $2,660 per tonne in 2008, $2,350 per tonne in 2009 and $2,400 per tonne in 2010. Since yield and price decreased over the course of the study, so did potential revenue before cluster thinning (based on yield per hectare of the control plots) from $22,344 per hectare in 2008 to $18,330 per hectare in 2009 and $13,920 per hectare in 2010. Taking into account the costs of implementing cluster thinning, the change in revenue after cluster thinning was -$7,714 per hectare in 2008, -$7,285 per hectare in Grower Net returN Cluster thinning (CT) at the crop level low leaves one cluster remaining per shoot; medium leaves 1.5 clusters per shoot; high leaves two clusters per shoot. The control vines are not cluster thinned.

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