摘要：Pennsylvania wine grape growers were surveyed to obtain information on factors affecting varietal selection, challenges to production, and their perceptions of canopy management practices. Our survey revealed that participants perceived site as a key factor in varietal selection decisions and winter injury as the greatest challenge for their economic sustainability. Other issues limiting production and profitability were disease control, frost injury, and labor cost and availability. Participants recognized the importance of canopy management practices for reaching optimum wine quality but had concerns over the shortage and cost of labor to implement them. Mechanization of canopy management likely would increase adoption.
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