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Am. J. Enol. Vitic. 39:1:29-37 (1988)
Copyright © 1988 by the American Society for Enology and Viticulture.
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Effects of Rootstock and Nitrogen Fertilization on the Growth and Yield of Chardonnay Grapevines in New York

T. K. Wolf 1 and R. M. Pool 2

1 Virginia Agricultural Experiment Station: Winchester, Virginia Polytechnic Institute and State University, 2500 Valley Ave., Winchester, VA 22601
2 Department of Horticultural Sciences, New York State Agricultural Experiment Station (NYSAES), Cornell University, Geneva, NY 14456.

Two rootstocks and three nitrogen fertilizer rates were evaluated for their effects on growth, yield, and petiole nutrient concentrations of Chardonnay (Vitis vinifera L.) grapevines. Rootstock had a greater effect on scion growth than did differential N application (0, 39, or 84 kg N/ha/yr), even though increased N availability significantly increased petiole N concentrations in the second year of application. Cane pruning weights of vines grafted to Couderc 3309 (C-3309) rootstocks averaged 1.42 and 1.20 kg/vine in 1984 and 1985, respectively. Pruning weights of vines grafted to Elvira averaged 0.75 and 0.79 kg, respectively, in those years. Fruit yields were not proportional to vine size; yields averaged 4.55 and 4.45 kg per vine in 1984 and 1985, respectively, with vines grafted to C-3309 and 4.08 and 4.13 kg per vine, respectively, for vines grafted to Elvira. Increased N availability reduced yields with vines grafted to C-3309 and increased yields in one year with vines grafted to Elvira. The percentage of flowers that set fully developed berries in 1985 was greater for vines grafted to Elvira than for vines grafted to C-3309. Fruit set of non-fertilized vines grafted to C-3309 was greater than fruit set of vines that received 84 kg N/ha. In addition to effects on growth and fruit set, vines grafted to C-3309 were associated with greater shoot growth rates, greater petiole potassium concentrations, and denser canopies than were vines grafted to Elvira. Neither rootstock nor applied N affected the duration of vegetative growth.

Key words: rootstock, nitrogen fertilizer, growth, fruitfulness, Chardonnay, Courderc 3309, Elvira

Submitted on March 2, 1987




This article has been cited by other articles:


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 Am. J. Enol. Vitic.Home page
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Long-Term Additions of Organic Amendments in a Loire Valley Vineyard on a Calcareous Sandy Soil. II. Effects on Root System, Growth, Grape Yield, and Foliar Nutrient Status of a Cabernet franc Vine
Am. J. Enol. Vitic., December 1, 2008; 59(4): 364 - 374.
[Abstract] [Full Text] [PDF]


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Copyright © 1988 by the American Society for Enology and Viticulture.