Dallisgrass healthy in southern IN – Turfgrass Science at Purdue University

Dallisgrass healthy in southern IN

Dallisgrass has reemerged and is very healthy with the rain and warming temperatures. Dallisgrass is often mistaken for crabgrass but typical preemergence or post emergence crabgrass herbicides do not work on dallisgrass. MSMA is currently the standard control but that herbicide will not be available after 2010. Our current research is focusing on Syngenta’s Tenacity for controlling dallisgrass. Our results are still early, but it looks like Tenacity has some promise for dallisgrass control. More information on dallisgrass is available at http://www.agry.purdue.edu/turf/tips/2004/dallis56.htm.

Dallisgrass control experiments at Cascades Golf Course in Bloomington showing whitening leaves from Tenacity on the left and yellowing leaves from MSMA on the right. Results are still preliminary but Tenacity appears to have promise for replacing MSMA as a dallisgrass control.

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