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K-State Turfgrass

Heavy dollar spot pressure

This week is pretty hot, but overall its been pretty mild this summer. Dollar spot is most active at temps ranging from 59-86 and we’ve had a lot of temps in that range. We’ve also had some dewy mornings. Dollar spot often is at its most active stage here in Kansas during late August into September, with long, cool, dewy nights.  Make sure you stay on your game with your dollar spot management program. There are lots of tips and tricks in the dollar spot section of this guide:

http://www2.ca.uky.edu/agc/pubs/ppa/ppa1/ppa1.pdf

Here are some symptoms out at Rocky Ford:

The heat this week will increase brown patch pressure. I saw some of that today, too, but it was kind of faint and didn’t show up well in the pictures. But, it is definitely there, and lurking…. On the brown patch front, we will probably move permanently out of brown patch weather pretty soon and hopefully won’t have to worry about it any more until 2015.