From The Field Updates: August 7, 2019
We have been busy with aerial applications of fungicide on corn this past week. Corn burst out with full tassle on most fields during the week, so timing seems just right for this application. Fungicide applied on corn from tassle to brown silk stage should give the best significant yield boost plus improved plant health for better harvesting.
Final post sprays on beans may be called for cleaning up weed pressure. The new genetics of soybeans will really help for 2020 for increased options for controlling tough weeds like water hemp and others. Hard to believe, but an early order of seed for these traits is due now to assure access to limited supply of new seed.
Wheat yields have been overall good, especially where late fungicides were applied. Yield increases of 10 bu/a over untreated wheat have been reported by growers in Dane County.
Alfalfa fields should be scouted for potato leaf hopper, which is present in most fields. These insects can reduce stand yield, quality and weaken stands.