2004•UA Campus Repository (The University of Arizona)Requires access
Observations of TADS Foramsulfuron Formulations on Sea Isle I Paspalum as Affected by Mowing Height and Foliar Applied Iron
David M. Kopec, Jeff J. Gilbert, Darren E. Kerr
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Abstract
Foramsulfuron herbicide (TADS) has been successfully evaluated as a transitional aid in overseeded bermudgrass when applied in May in Tucson (2000, 2001, and 2002). Common bermudagrass is much more competitive against perennial ryegrass when it receives an application of this herbicide, coupled with extra water soluble –Nin May and June. The tolerance of the warm season grass Sea Isle I paspalum (P. vaginatum), to foramsulfuron (TADS) is not known. Therefore, an unreplicated pilot experiment was conducted in August of 2002 to observe initial responses of Sea Isle I paspalum to (1) two formulations of TADS, applied at (2) three different rates (0.4, 0.6, 1.2 ounces product/1000 ft, at (3) two mowing heights of 3/8” and 5/8”, both with and without (4) a supplemental iron treatment at the time of application.