Abstract
AbstractThe effects of soil‐applied atrazine (2‐chloro‐4‐ethylamino‐6‐isopropylamino‐s‐triazine) on water use, stomatal activity, and yield of a hybrid and an open‐pollinated variety of corn were studied in the field. The studies were conducted in Cecil sandy loam soil using two moisture regimes, irrigated and simulated drought (plastic‐covered soil).Irrigated corn had significantly higher yields, lower water use efficiency, and higher stomatal activity than the nonirrigated corn.The hybrid yielded more and was a more efficient user of water than the open‐pollinated variety.Atrazine did not significantly affect yield, water use efficiency, or stomatal activity of corn under the experimental conditions.
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