There are several hard-to-control turfgrass weeds with which one may have to contend in Ohio lawns. Among some of the more difficult weeds to control are clover (Trifolium spp.), ground ivy (Glechoma hederacea), violets (Viola spp.) and yellow woodsorrel (Oxalis spp.).
Looking for a source of timely turf information? We have a favorite for you. Check out this OSU website at – http://buckeyeturf.osu.edu . The latest article included information on LEAF SPOT and MELTING OUT. Some great videos are also posted on the website on a regular basis.
Joe Rimelspach reported that an updated table of fungicides available for use on turfgrass has been posted to OSU Turfgrass Disease webpage at: http://turfdisease.osu.edu/.
Dave Shetlar noted that BLUEGRASS BILLBUG (Sphenophorus parvulus) are fast becoming a very significant turfgrass pest in Ohio since larval feeding damage is often overlooked by being mistaken for summer drought stress.
Marne Titchenell has received reports of skunks and moles causing conflict in yards across Ohio. As spring rains soften and hydrate the soils and underground insect and other invertebrate populations increase, the dinner table is set for critters with insects on their menus such as the EASTERN MOLE and STRIPED SKUNK.
Once again this disease is reported as causing significant leaf drop on landscape beeches in southwest Ohio. Early symptoms of beech anthracnose are marked by the appearance of irregular brown leaf spots that are usually positioned on or near leaf veins.
2,4-D is found in a number of products for treating lawns to manage dandelions and numerous other emerged broadleaf weeds. The products come in both granular and liquid, concentrate or ready-to-use (RTU), formulations.
Joe Boggs reported that seedheads are rising above TURF-TYPE TALL FESCUE (Festuca arundinacea) lawns in southern Ohio. This is a natural event at this time of the year and it can also occur with other turfgrasses used in home lawns including KENTUCKY BLUEGRASS (Poa pratensis).
Curtis Young, Joe Boggs and Pam Bennett all reported on dandelion (Taraxacum officinale) development. Dandelions in northern Ohio are in full bloom, in central Ohio they are in partial puffball and in southern Ohio the majority is in the puffball stage.