Very early symptoms of many diseases look similar. For example, small yellow flecks may be indicative of several diseases and it can be hard to differentiate them without the presence of more mature lesions (or use of a microscope to examine spores and bacterial streaming).
Widespread use of conservation tillage favors the survival of the Norther Corn Leaf Blight fungus from year to year and hybrid resistance buildup may also be a problem, says Ohio State University Extension.
This may be the year to apply a foliar fungicide to minimize losses from disease. But only tank-mix an insecticide with it after you’ve thoroughly scouted your field.
Disease development in corn is quite early, so significant disease is possible in certain fields and growers are considering a fungicide application to slow its progress.
Corn is all over the board in terms of growth and development, ranging from V6 to R2; Late-planted fields are usually at greater risk for foliar disease development, and reports coming in indicate that gray leaf spot is already present on the lower leaves in some areas.
Western Corn Belt no-tillers have undoubtedly heard about Goss’s Wilt. After a near 3-decade absence, the bacteria reared its ugly head in Nebraska several years ago.
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On this episode of Conservation Ag Update, brought to you by Titan International, a big piece of equipment is unveiled at the Kinze Product Innovation Day in Williamsburg, Iowa.
We have engineered and developed the most advanced concave system that threshes all crops, eliminates rotor loss, improves grain quality, gives you a cleaner sample – all with one set of XPR concaves.
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