Landscape Management, Weed Watch 2014
WEEDWATCH STANDING SENTINEL TO PROTECT PLANT HEALTH PARSLEY PIERT Alchemilla microcarpa For more information regarding these and other turf weeds and related control technologies and tips please visit www DowProvesIt com or call 800 255 3726 BROUGHT TO YOU BY PHOTOS COURTESY DR RONALD CALHOUN LEFT NORTH CAROLINA STATE UNIVERSITY TURFFILES Recommended Dow AgroSciences solution Confront specialty herbicide Recommended Dow AgroSciences solution Dimension specialty herbicide CONTROL TIPS Apply a pre emergent herbicide containing dithiopyr or simazine prior to germination in fall winter This weed can be a major problem on nutrient de cient lawns or lawns that are mown too closely Manage with a good fertility program and keep mow height optimum for respective turfgrass Confront is not for sale or use in Nassau and Suffolk counties New York Other state restrictions on the sale and use of Confront apply State restrictions on the sale and use of Dimension apply IDENTIFICATION TIPS This low spreading prostrate winter annual succulent features oppositely arranged small elliptic shaped leaves pointed at the tip and stems with rows of hairs It grows in dense patches and thrives in moist shaded areas Its similar in growth habit and appearance to mouse ear chickweed Cerastium vulgatum Common chickweed leaves are less hairy and light green in color mouse ear chickweed has dark green or gray green leaves covered with soft hairs CONTROL TIPS Apply a pre emergent herbicide containing dithiopyr or isoxaben prior to germination in fall winter For post emergent control apply a two three or four way product that contains an ingredient such as triclopyr luroxypyr or clopyralid For optimum postemergent control apply to actively growing immature weeds in the fall winter If a spring application is made you may need more than one application IDENTIFICATION TIPS This low growing winter annual spreads by seed Fan shaped leaves alternate on the stems The leaves contain three lobes and each lobe is subdivided again into three to four lobes The lowers are inconspicuous in the leaf axis COMMON CHICKWEED Stellaria media 15 JANUARY 2011 LANDSCAPEMANAGEMENT NET
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