Landscape Management, Weed Watch 2014
PostemergentControlTips STANDING SENTINEL TO PROTECT PLANT HEALTH By Jamie breuninger Dow AgroSciences technical leader LANDSCAPEMANAGEMENT NET June 2014 56 PHOTOS S ASKEW Recommended Dow AgroSciences solution Turflon Ester Ultra specialty herbicide Recommended Dow AgroSciences solution LockUp specialty herbicide South Weed pictured Dollarweed inhibit the products performance Adjuvants improve herbicide coverage and help penetrate the waxy leaf surfaces of species like broadleaf plantain and dollarweed Be cautious with these additions to ensure they do not increase the potential for turf damage Irrigate only when necessary Deep infrequent irrigation is better for turfgrass than light frequent irrigation Aerate in late spring or early summer Postemergent herbicides are most effective in spring or fall preferred Use higher rates when hard to control species are prevalent when applications are made in late summer or to mature weeds or during periods of drier weather Spot treatments with products containing triclopyr ester are particularly effective during these times Use amine based formulations of 24 D when temperatures are high and volatility is a concern Do not apply herbicides when the turf is stressed Extreme weather conditions may inhibit the products performance Depending on the level of infestation multiple applications may be needed for complete control Two applications two to four weeks apart are ideal Avoid overwatering Excessive moisture encourages weed growth and germination Curly dock and sedges thrive in these conditions Aerate in spring or fall Most postemergent herbicides are more effective when applied to weeds that are young and succulent Early winter applications target winter annuals Spring or summer applications control weeds actively growing during these seasons Fall is a good time for applications to perennial or biannual weeds Do not apply herbicides when the turf is stressed Extreme weather conditions may North Weed pictured Curly dock Trademark of The Dow Chemical Company Dow or an affiliated company of Dow State restrictions on the sale and use of LockUp and Turflon Ester Ultra apply Consult the label before purchase or use for full details Consult the labels of products containing LockUp before purchase or use for full details Always read and follow label directions 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
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