6 articles tagged "weeds".

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With harvest season right around the corner, now is the time to start making plans for the control of winter annual weeds, including marestail.  When harvest and post-harvest conditions allow, fall is the best time to control many of these weeds.  This is because the weeds are a lot smaller in the fall, and our fall weather tends to be consistently warmer and drier than our variable cool and wet springs.  With fall-applied herbicide season upon us, we wanted to provide a few application tips to those who are planning on making fall herbicide applications: Scout fields and determine whether you need an application. Not all fields need an application; however, if you pull back the crop residue after harvest, especially in corn fields, you are likely to find infestations of winter annual weeds.  Scouting fields should begin soon after a field is harvested, with special attention paid to fields[Read More…]

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Each fall we revise and update our Weed Control Guide for Ohio, Indiana, and Illinois (WS-16) publication. This year, in addition to incorporating a few new herbicide names and subtle label change information, we are adding information to the problem weed section on control of Cressleaf Groundsel, Poison Hemlock, and Annual Bluegrass.  Since some of the best control strategies for all three of these weeds involve using herbicides applied in the fall, I decided to use this information in newsletter article.     Cressleaf groundsel is a winter annual weed that has become more prevalent in pastures and agronomic crop ground over the past decade.  The small seeds produced by this weed allow it to thrive in reduced and no-till systems as well as poorly established pastures.  Cressleaf groundsel emerges as a rosette in the fall then bolts, flowers, and produces seed in the spring.  Basal rosette leaves are deep[Read More…]

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