Abstract
Potted Sultana vines were waterlogged for the first 0, 1, 3, 5, or 7 days of a two-week cycle designated W0, WI, W3, W5, and W7, respectively. The vines were harvested at the end of the fourth cycle. Shoot elongation rates over the first two cycles for W0 to W7 were 56, 51, 34, 38, and 35 mm/day, respectively. Vine leaf and stem dry weights at harvest were 37, 32, 22, 21, and 19 g/vine for W0 to W7, respectively. Photosynthesis and stomatal conductance were reduced both during and following waterlogging, but leaf water potential was unaffected. Waterlogging reduced leaf blade N. P, and Ca, increased Na and Mg, and did not affect K, Cl, Mn, Zn, and N-N03.
- Received November 1992.
- Copyright 1994 by the American Society for Enology and Viticulture
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