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Tolerance of Sweet Corn (Zea mays) Cultivars to Rimsulfuron

  • John O'sullivan (a1), Robert J. Thomas (a1) and William J. Bouw (a1)

Abstract

Field studies were conducted in 1993 and 1994 to evaluate the tolerance of 16 sweet corn cultivars, representing a range of genotypes, to rimsulfuron applied postemergence (POST) at 12.5 and 25 g ai/ha. There was a significant cultivar by herbicide interaction for visual plant injury, plant height, and yield. ‘Merit’ and ‘Silver Extra Sweet’ were the most sensitive cultivars, with rimsulfuron resulting in complete plant mortality regardless of application dose. ‘Golden Jubilee,’ ‘King Arthur,’ ‘Ivanhoe,’ and ‘Zenith’ were less sensitive. Ten cultivars were tolerant to applications of rimsulfuron at 12.5 g/ha. Sensitivity to rimsulfuron increased as application dose increased.

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References

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Keywords

Tolerance of Sweet Corn (Zea mays) Cultivars to Rimsulfuron

  • John O'sullivan (a1), Robert J. Thomas (a1) and William J. Bouw (a1)

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