Tar Spot

Ken Ferrie lays out a strategy for farmers struggling with ponded corn acres after rains soak parts of the Midwest.
A new report details the need for more ag funding to address existing weeds, insects and diseases as well as agronomic problems that have yet to reach U.S. shores.
The disease is causing turmoil for farmers who have a large crop in the making. In some cases, a Hail Mary fungicide application at R4 up to early dent (R5) might make sense this season, say agronomists.
On the heels of Crop Tour, Pro Farmer projects corn yields at 6.1 bu. below USDA’s August estimate, while soybean yield numbers are nearly aligned.
Iowa could be the nation’s top state this year for corn and soybeans, but both crops are in a race to beat disease pressure that’s gaining momentum. Illinois corn continues to ride the struggle bus, while the soybean crop there is positioned to deliver high yields.
There is still up to 55% of the kernel dry weight left to be accumulated by many corn hybrids at this point — starch that can contribute significantly to grain fill and higher test weights.
In addition to keeping a watchful eye for southern rust and tar spot, some farmers and agronomists have been surprised to find pollination issues due to “overly tight tassel wrap.” Let us know how your corn crop is faring,
Got tar spot? Economic data shows two passes can offer ROI, depending on the hybrid. However, if your crop got dinged at pollination that’s a different scenario and might require a revised game plan that takes yield estimates into consideration.
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