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Article

Influence of Undervine Floor Management on Weed Competition, Vine Nutrition, and Yields of Pinot noir

Gregory L. Hostetler, Ian A. Merwin, Michael G. Brown, Olga Padilla-Zakour
Am J Enol Vitic.  2007 58: 421-430 ; DOI: 10.5344/ajev.2007.58.4.421
Gregory L. Hostetler
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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Ian A. Merwin
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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  • For correspondence: im13@cornell.edu
Michael G. Brown
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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Olga Padilla-Zakour
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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Abstract

Four undervine floor management techniques—composted bark mulch, reflective (white) and black geotextile mulches, and mechanical soil cultivation—were evaluated with regard to weed suppression, canopy sunlight regimes, soil temperatures, vine growth, and fruit composition of Pinot noir at an organically managed vineyard in the Finger Lakes Region of New York during 2004 and 2005. Composted bark mulch and black or white geotextiles significantly reduced weed biomass compared with cultivation, but did not affect vine vigor or overwintering primary bud survival in either year. Vines mulched with white geotextile had significantly greater yields, but there were few differences among treatments in ripening time or fruit composition at harvest. The white geotextile increased yields in one year of this experiment, but those yield increases did not compensate for the higher costs of geotextiles compared with the grower’s standard practice of mechanical soil cultivation.

  • vineyard floor management
  • mulch
  • organic viticulture
  • canopy light
  • Received November 2006.
  • Revision received May 2007.
  • Copyright © 2007 by the American Society for Enology and Viticulture
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Vol 58 Issue 4

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Influence of Undervine Floor Management on Weed Competition, Vine Nutrition, and Yields of Pinot noir
Gregory L. Hostetler, Ian A. Merwin, Michael G. Brown, Olga Padilla-Zakour
Am J Enol Vitic.  2007  58: 421-430  ; DOI: 10.5344/ajev.2007.58.4.421
Gregory L. Hostetler
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
  • Find this author on Google Scholar
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Ian A. Merwin
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
  • Find this author on Google Scholar
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  • For correspondence: im13@cornell.edu
Michael G. Brown
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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Olga Padilla-Zakour
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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Influence of Undervine Floor Management on Weed Competition, Vine Nutrition, and Yields of Pinot noir
Gregory L. Hostetler, Ian A. Merwin, Michael G. Brown, Olga Padilla-Zakour
Am J Enol Vitic.  2007  58: 421-430  ; DOI: 10.5344/ajev.2007.58.4.421
Gregory L. Hostetler
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
  • Find this author on Google Scholar
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Ian A. Merwin
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
  • Find this author on Google Scholar
  • Find this author on PubMed
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  • For correspondence: im13@cornell.edu
Michael G. Brown
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
  • Find this author on Google Scholar
  • Find this author on PubMed
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Olga Padilla-Zakour
1Graduate research assistant, 2Professor of horticulture, 3Research support specialist, Cornell University, Ithaca, NY 14853; and 4Associate professor of food science, Cornell University, Geneva, NY 14456.
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