Effects of Repeated Applications of SAP on the Control of Annual Bluegrass of Penncross Bentgrass Putting Green Turf
1984 Volume 13 Issue 2 Pages 137-142
Details
1984 Volume 13 Issue 2 Pages 137-142
The effects of SAP (bensulide) on cncroachment of annual pluegrass (Poa annua) and on color, and root depth of a‘Peuncross’creeping bentrass (Agrostis palustris) putting green turf were gmeasured. Herbicides tested during the 3 year period were: SAP EC (0, 0-diisopropyl phosp-horodithioate S-ester with N- (2-mercaptoethyl) -benzensulfonamide) applied at 1.5 g/m2 in summer annually and 1.5 g/m2 applied in May plus 1.5 g/m2 in summer for an annual total 3.0 g/m2 and 1.0 g/m2 applied in summer plus 0.5 g/m2 in May, 0.5 g/m2 in June or July and 0.5 g/m2 in October for an annual total of 2.5 g/m2.
Significant reductions in annual bluegrass populations were recorded from applications and repeated application of SAP, but differences were not significant.
None of the treatments significantly reduced rooting depth.
