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Agronomy Notebook



Fhb1 fusarium head blight gene

Although not as prevalent this year, one problem that eastern Corn Belt wheat growers face frequently is Fusarium Head Blight (Scab). This disease can cause significant yield loss in addition to reduced grain quality and high levels of mycotoxins. Growers have effectively managed head scab with timely fungicide applications. One …

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Watch for Palmer amaranth

Now is the time of year when scouting for Palmer amaranth is critical. This weed’s emergence begins in May and will last through the fall. Because of its prolific growth habit and resistance to multiple herbicide modes of action, it is critical to identify and control Palmer amaranth shortly after …

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Corn plants appreciate a stress-free summer

Over the next several weeks the upper canopy in Ohio corn fields will look much different, as tassels begin to emerge and extend beyond the top leaves of the plant. This visual change signifies that the corn crop will soon be shifting from vegetative into reproductive growth. The first reproductive …

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Watching for fertilizer burn

Some plants don’t have much of a root system while others show a beautiful root system with no shoot.  What is going on? In each case I have looked at this year, each farmer was using more than 30 pounds of total nitrogen (N) (28% plus 10-34-0) and/or sulfur in …

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Purple corn concerns?

For many areas of the eastern Corn Belt, a great deal of corn has been planted over the past few weeks. Some corn has emerged and is in the early stages of growth. One phenomenon that commonly occurs at the early stages of the growing season is the appearance of …

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Uniformity continues with seed germination

The first step in corn stand uniformity is getting the corn planter maintained and adjusted to plant the corn crop as uniformly as possible. The next step in the uniformity equation is achieving uniform emergence. Germination is simply the process that allows a seed to sprout or begin to grow. …

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